stm32temp: libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32100E_EVAL/stm32100e_eval

annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32100E_EVAL/stm32100e_eval_ioe.c @ 8:58d76cf522ff

Split out code into separate files.

author	Daniel O'Connor <darius@dons.net.au>
date	Sat, 04 Feb 2012 13:29:31 +1030
parents	c59513fd84fb
children

rev	line source
0 c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	2 ******************************************************************************
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	3 * @file stm32100e_eval_ioe.c
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	4 * @author MCD Application Team
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	5 * @version V4.5.0
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	6 * @date 07-March-2011
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	7 * @brief This file includes the IO Expander driver for STMPE811 IO Expander
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	8 * devices.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	9 ******************************************************************************
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	10 * @attention
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	11 *
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	18 *
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	19 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	20 ******************************************************************************
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	21 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	22
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	23 /* File Info : ---------------------------------------------------------------
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	24
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	25 Note:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	26 -----
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	27 - This driver uses the DMA method for sending and receiving data on I2C bus
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	28 which allow higher efficiency and reliability of the communication.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	29
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	30 SUPPORTED FEATURES:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	31 - Touch Screen Features: Single point mode (Polling/Interrupt).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	32 - TempSensor Feature: accuracy not determined (Polling).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	33 - IO Read/write : Set/Reset and Read (Polling/Interrupt).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	34
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	35 UNSUPPORTED FEATURES:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	36 - Row ADC Feature is not supported (not implemented on STM32100E-EVAL board)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	37 - Joystick: config and Read (Polling/Interrupt)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	38 ----------------------------------------------------------------------------*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	39
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	40 /* Includes ------------------------------------------------------------------*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	41 #include "stm32100e_eval_ioe.h"
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	42
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	43 /** @addtogroup Utilities
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	44 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	45 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	46
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	47 /** @addtogroup STM32_EVAL
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	48 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	49 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	50
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	51 /** @addtogroup STM32100E_EVAL
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	52 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	53 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	54
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	55 /** @defgroup STM32100E_EVAL_IOE
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	56 * @brief This file includes the IO Expander driver for STMPE811 IO Expander
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	57 * devices.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	58 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	59 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	60
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	61 /** @defgroup STM32100E_EVAL_IOE_Private_TypesDefinitions
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	62 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	63 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	64 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	65 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	66 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	67
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	68
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	69 /** @defgroup STM32100E_EVAL_IOE_Private_Defines
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	70 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	71 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	72 #define TIMEOUT_MAX 0x1000 /<! The value of the maximal timeout for I2C waiting loops /
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	73 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	74 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	75 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	76
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	77
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	78 /** @defgroup STM32100E_EVAL_IOE_Private_Macros
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	79 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	80 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	81 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	82 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	83 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	84
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	85
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	86 /** @defgroup STM32100E_EVAL_IOE_Private_Variables
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	87 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	88 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	89 TS_STATE TS_State; /<! The global structure holding the TS state /
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	90
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	91 uint32_t IOE_TimeOut = TIMEOUT_MAX; /<! Value of Timeout when I2C communication fails /
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	92 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	93 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	94 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	95
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	96
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	97 /** @defgroup STM32100E_EVAL_IOE_Private_FunctionPrototypes
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	98 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	99 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	100 static uint16_t IOE_TS_Read_X(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	101 static uint16_t IOE_TS_Read_Y(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	102 static uint16_t IOE_TS_Read_Z(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	103
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	104 static void IOE_GPIO_Config(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	105 static void IOE_I2C_Config(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	106 static void IOE_DMA_Config(IOE_DMADirection_TypeDef Direction, uint8_t* buffer);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	107 static void IOE_EXTI_Config(void);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	108
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	109 #ifndef USE_Delay
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	110 static void delay(__IO uint32_t nCount);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	111 #endif /* USE_Delay*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	112 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	113 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	114 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	115
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	116
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	117 /** @defgroup STM32100E_EVAL_IOE_Private_Functions
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	118 * @{
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	119 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	120
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	121
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	122 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	123 * @brief Initializes and Configures the IO_Expanders Functionalities
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	124 * (Touch Screen ..) and configures all STM32100E-EVAL necessary
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	125 * hardware (GPIOs, APB clocks ..).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	126 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	127 * @retval IOE_OK if all initializations done correctly. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	128 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	129 uint8_t IOE_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	130 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	131 /* Configure the needed pins */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	132 IOE_GPIO_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	133
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	134 /* Configure I2C peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	135 IOE_I2C_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	136
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	137 /* Read IO Expander 1 ID */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	138 if(IOE_IsOperational(IOE_1_ADDR))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	139 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	140 return IOE1_NOT_OPERATIONAL;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	141 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	142
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	143 /* Generate IOExpander Software reset */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	144 IOE_Reset(IOE_1_ADDR);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	145
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	146 /* ---------------------- IO Expander configuration --------------------- */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	147 /* Enable the GPIO, Touch Screen and ADC functionalities */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	148 IOE_FnctCmd(IOE_1_ADDR, IOE_TS_FCT \| IOE_ADC_FCT \| IOE_IO_FCT \| IOE_TEMPSENS_FCT , ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	149
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	150 /* Touch Screen controller configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	151 IOE_TS_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	152
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	153 /* Temperature Sensor configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	154 IOE_TempSens_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	155
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	156 /* ------------------------------------------------------------------------ */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	157
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	158 /* Configuration is OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	159 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	160 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	161
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	162 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	163 * @brief Configures The selected interrupts on the IO Expanders.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	164 * @param IOE_ITSRC_Source: the source of the interrupts. Could be one or a
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	165 * combination of the following parameters:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	166 * @arg IOE_ITSRC_TSC: Touch Screen interrupts.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	167 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	168 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	169 uint8_t IOE_ITConfig(uint32_t IOE_ITSRC_Source)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	170 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	171 /* Configure the Interrupt output pin to generate low level (INT_CTRL) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	172 IOE_ITOutConfig(Polarity_Low, Type_Level);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	173
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	174 /* Manage the Touch Screen Interrupts */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	175 if (IOE_ITSRC_Source & IOE_ITSRC_TSC)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	176 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	177 /* Enable the Global interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	178 IOE_GITCmd(IOE_1_ADDR, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	179
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	180 /* Enable the Global GPIO Interrupt */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	181 IOE_GITConfig(IOE_1_ADDR, (uint8_t)(IOE_GIT_TOUCH \| IOE_GIT_FTH \| IOE_GIT_FOV), ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	182
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	183 /* Read the GPIO_IT_STA to clear all pending bits if any */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	184 I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_GPIO_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	185 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	186
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	187 /* Configure the Interrupt line as EXTI source */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	188 IOE_EXTI_Config();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	189
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	190 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	191 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	192 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	193
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	194 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	195 * @brief Writes a bit value to an output IO pin.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	196 * @param IO_Pin: The output pin to be set or reset.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	197 * IO_Pin_x: Where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	198 * @param BitVal: The value to be set. This parameter can be one of the
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	199 * following values: BitSet or BitReset. See IOE_BitVal_TypeDef.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	200 * @retval IOE_OK or PARAM_ERROR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	201 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	202 uint8_t IOE_WriteIOPin(uint8_t IO_Pin, IOE_BitValue_TypeDef BitVal)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	203 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	204 uint8_t DeviceAddr = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	205
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	206 /* Get the IO expander Address according to which pin is to be controlled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	207 if (IO_Pin & IO1_OUT_ALL_PINS)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	208 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	209 DeviceAddr = IOE_1_ADDR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	210 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	211 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	212 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	213 return PARAM_ERROR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	214 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	215
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	216 /* Apply the bit value to the selected pin */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	217 if (BitVal == BitReset)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	218 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	219 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	220 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_CLR_PIN, IO_Pin);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	221 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	222 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	223 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	224 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	225 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_SET_PIN, IO_Pin);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	226 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	227
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	228 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	229 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	230
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	231
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	232 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	233 * @brief Returns the status of the selected input IO pin.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	234 * @param IO_Pin: The input pin to be read.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	235 * IO_Pin_x: Where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	236 * @arg JOY_IO_PINS: Joystick IO pins (use IOE_JoyStickGetState for these pins)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	237 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	238 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	239 uint8_t IOE_ReadIOPin(uint32_t IO_Pin)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	240 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	241 uint8_t DeviceAddr = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	242 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	243 if (IO_Pin & IO1_IN_ALL_PINS)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	244 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	245 DeviceAddr = IOE_1_ADDR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	246 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	247 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	248 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	249 return PARAM_ERROR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	250 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	251
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	252 /* Get all the Pins status */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	253 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_MP_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	254 if ((tmp & (uint8_t)IO_Pin) != 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	255 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	256 return BitSet;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	257 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	258 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	259 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	260 return BitReset;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	261 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	262 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	263
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	264
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	265 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	266 * @brief Returns Status and positions of the Touch screen.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	267 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	268 * @retval Pointer to TS_STATE structure holding Touch Screen information.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	269 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	270 TS_STATE* IOE_TS_GetState(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	271 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	272 uint32_t xDiff, yDiff , x , y;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	273 static uint32_t _x = 0, _y = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	274
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	275 /* Check if the Touch detect event happenned */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	276 TS_State.TouchDetected = (I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_CTRL) & 0x80);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	277 if(TS_State.TouchDetected)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	278 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	279 x = IOE_TS_Read_X();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	280 y = IOE_TS_Read_Y();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	281 xDiff = x > _x? (x - _x): (_x - x);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	282 yDiff = y > _y? (y - _y): (_y - y);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	283 if (xDiff + yDiff > 5)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	284 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	285 _x = x;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	286 _y = y;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	287 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	288 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	289 /* Update the X position */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	290 TS_State.X = _x;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	291
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	292 /* Update the Y position */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	293 TS_State.Y = _y;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	294 /* Update the Z Pression index */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	295 TS_State.Z = IOE_TS_Read_Z();
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	296
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	297 /* Clear the interrupt pending bit and enable the FIFO again */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	298 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_STA, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	299 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_STA, 0x00);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	300
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	301 /* Return pointer to the updated structure */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	302 return &TS_State;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	303 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	304
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	305 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	306 * @brief Returns the temperature row value (in 16 bit format).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	307 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	308 * @retval The temperature row value.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	309 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	310 uint32_t IOE_TempSens_GetData(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	311 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	312 static __IO uint32_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	313
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	314 /* Aquire data enable */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	315 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TEMP_CTRL, 0x03);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	316
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	317 /* Enable the TEMPSENS module */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	318 tmp = (uint32_t)((I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_TEMP_DATA) & 0x03) << 8);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	319 tmp \|= (uint32_t)I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_TEMP_DATA + 1);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	320
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	321 tmp = (uint32_t)((33 * tmp * 100) / 751);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	322 tmp = (uint32_t)((tmp + 5) / 10);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	323
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	324 /* return the temprature row value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	325 return tmp;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	326 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	327
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	328 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	329 * @brief Checks the selected Global interrupt source pending bit
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	330 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	331 * @param Global_IT: the Global interrupt source to be checked, could be:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	332 * @arg Global_IT_GPIO : All IOs interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	333 * @arg Global_IT_ADC : ADC interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	334 * @arg Global_IT_TEMP : Temperature Sensor interrupts
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	335 * @arg Global_IT_FE : Touch Screen Controller FIFO Error interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	336 * @arg Global_IT_FF : Touch Screen Controller FIFO Full interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	337 * @arg Global_IT_FOV : Touch Screen Controller FIFO Overrun interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	338 * @arg Global_IT_FTH : Touch Screen Controller FIFO Threshold interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	339 * @arg Global_IT_TOUCH : Touch Screen Controller Touch Detected interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	340 * @retval Status of the checked flag. Could be SET or RESET.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	341 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	342 FlagStatus IOE_GetGITStatus(uint8_t DeviceAddr, uint8_t Global_IT)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	343 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	344 __IO uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	345
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	346 /* get the Interrupt status */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	347 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	348
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	349 if ((tmp & (uint8_t)Global_IT) != 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	350 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	351 return SET;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	352 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	353 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	354 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	355 return RESET;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	356 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	357 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	358
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	359 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	360 * @brief Clears the selected Global interrupt pending bit(s)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	361 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	362 * @param Global_IT: the Global interrupt to be cleared, could be any combination
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	363 * of the following values:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	364 * @arg Global_IT_GPIO : All IOs interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	365 * @arg Global_IT_ADC : ADC interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	366 * @arg Global_IT_TEMP : Temperature Sensor interrupts
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	367 * @arg Global_IT_FE : Touch Screen Controller FIFO Error interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	368 * @arg Global_IT_FF : Touch Screen Controller FIFO Full interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	369 * @arg Global_IT_FOV : Touch Screen Controller FIFO Overrun interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	370 * @arg Global_IT_FTH : Touch Screen Controller FIFO Threshold interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	371 * @arg Global_IT_TOUCH : Touch Screen Controller Touch Detected interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	372 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	373 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	374 uint8_t IOE_ClearGITPending(uint8_t DeviceAddr, uint8_t Global_IT)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	375 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	376 /* Write 1 to the bits that have to be cleared */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	377 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_INT_STA, Global_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	378
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	379 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	380 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	381 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	382
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	383 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	384 * @brief Checks the status of the selected IO interrupt pending bit
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	385 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	386 * @param IO_IT: the IO interrupt to be checked could be IO_ITx Where x can be
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	387 * from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	388 * @retval Status of the checked flag. Could be SET or RESET.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	389 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	390 FlagStatus IOE_GetIOITStatus(uint8_t DeviceAddr, uint8_t IO_IT)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	391 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	392 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	393
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	394 /* get the Interrupt status */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	395 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_INT_STA);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	396
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	397 if ((tmp & (uint8_t)IO_IT) != 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	398 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	399 return SET;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	400 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	401 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	402 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	403 return RESET;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	404 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	405 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	406
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	407 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	408 * @brief Clears the selected IO interrupt pending bit(s).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	409 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	410 * @param IO_IT: the IO interrupt to be checked could be IO_ITx Where x can be
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	411 * from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	412 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	413 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	414 uint8_t IOE_ClearIOITPending(uint8_t DeviceAddr, uint8_t IO_IT)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	415 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	416 /* Write 1 to the bits that have to be cleared */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	417 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_INT_STA, IO_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	418
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	419 /* Clear the Edge detection pending bit*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	420 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_ED, IO_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	421
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	422 /* Clear the Rising edge pending bit */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	423 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_RE, IO_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	424
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	425 /* Clear the Falling edge pending bit */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	426 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_FE, IO_IT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	427
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	428 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	429
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	430 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	431 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	432 * @brief Checks if the selected device is correctly configured and
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	433 * communicates correctly ont the I2C bus.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	434 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	435 * @retval IOE_OK if IOE is operational. Other value if failure.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	436 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	437 uint8_t IOE_IsOperational(uint8_t DeviceAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	438 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	439 /* Return Error if the ID is not correct */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	440 if( IOE_ReadID(DeviceAddr) != (uint16_t)STMPE811_ID )
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	441 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	442 /* Check if a Timeout occured */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	443 if (IOE_TimeOut == 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	444 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	445 return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	446 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	447 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	448 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	449 return IOE_FAILURE; /* ID is not Correct */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	450 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	451 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	452 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	453 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	454 return IOE_OK; /* ID is correct */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	455 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	456 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	457
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	458 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	459 * @brief Resets the IO Expander by Software (SYS_CTRL1, RESET bit).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	460 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	461 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	462 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	463 uint8_t IOE_Reset(uint8_t DeviceAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	464 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	465 /* Power Down the IO_Expander */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	466 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_SYS_CTRL1, 0x02);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	467
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	468 /* wait for a delay to insure registers erasing */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	469 _delay_(2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	470
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	471 /* Power On the Codec after the power off => all registers are reinitialized*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	472 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_SYS_CTRL1, 0x00);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	473
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	474 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	475 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	476 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	477
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	478 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	479 * @brief Reads the selected device's ID.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	480 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	481 * @retval The Device ID (two bytes).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	482 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	483 uint16_t IOE_ReadID(uint8_t DeviceAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	484 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	485 uint16_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	486
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	487 /* Read device ID */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	488 tmp = I2C_ReadDeviceRegister(DeviceAddr, 0);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	489 tmp = (uint32_t)(tmp << 8);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	490 tmp \|= (uint32_t)I2C_ReadDeviceRegister(DeviceAddr, 1);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	491
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	492 /* Return the ID */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	493 return (uint16_t)tmp;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	494 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	495
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	496 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	497 * @brief Configures the selcted IO Expander functionalities.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	498 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	499 * @param Fct: the functions to be configured. could be any
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	500 * combination of the following values:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	501 * @arg IOE_IO_FCT : IO function
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	502 * @arg IOE_TS_FCT : Touch Screen function
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	503 * @arg IOE_ADC_FCT : ADC function
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	504 * @arg IOE_TEMPSENS_FCT : Tempreature Sensor function
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	505 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	506 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	507 uint8_t IOE_FnctCmd(uint8_t DeviceAddr, uint8_t Fct, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	508 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	509 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	510
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	511 /* Get the register value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	512 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_SYS_CTRL2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	513
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	514 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	515 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	516 /* Set the Functionalities to be Enabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	517 tmp &= ~(uint8_t)Fct;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	518 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	519 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	520 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	521 /* Set the Functionalities to be Disabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	522 tmp \|= (uint8_t)Fct;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	523 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	524
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	525 /* Set the register value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	526 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_SYS_CTRL2, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	527
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	528 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	529 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	530 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	531
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	532 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	533 * @brief Configures the selected pin direction (to be an input or an output)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	534 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	535 * @param IO_Pin: IO_Pin_x: Where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	536 * @param Direction: could be Direction_IN or Direction_OUT.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	537 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	538 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	539 uint8_t IOE_IOPinConfig(uint8_t DeviceAddr, uint8_t IO_Pin, uint8_t Direction)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	540 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	541 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	542
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	543 /* Get all the Pins direction */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	544 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_DIR);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	545
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	546 if (Direction != Direction_IN)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	547 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	548 tmp \|= (uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	549 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	550 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	551 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	552 tmp &= ~(uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	553 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	554
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	555 /* Write the register new value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	556 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_DIR, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	557
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	558 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	559 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	560 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	561
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	562 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	563 * @brief Enables or disables the Global interrupt.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	564 * @param DeviceAddr: The address of the IOExpander, could be :I OE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	565 * @param NewState: could be ENABLE or DISABLE.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	566 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	567 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	568 uint8_t IOE_GITCmd(uint8_t DeviceAddr, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	569 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	570 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	571
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	572 /* Read the Interrupt Control register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	573 I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_INT_CTRL);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	574
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	575 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	576 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	577 /* Set the global interrupts to be Enabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	578 tmp \|= (uint8_t)IOE_GIT_EN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	579 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	580 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	581 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	582 /* Set the global interrupts to be Disabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	583 tmp &= ~(uint8_t)IOE_GIT_EN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	584 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	585
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	586 /* Write Back the Interrupt Control register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	587 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_INT_CTRL, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	588
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	589 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	590 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	591 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	592
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	593 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	594 * @brief Configures the selected source to generate or not a global interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	595 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	596 * @param Global_IT: the interrupt source to be configured, could be:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	597 * @arg Global_IT_GPIO : All IOs interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	598 * @arg Global_IT_ADC : ADC interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	599 * @arg Global_IT_TEMP : Temperature Sensor interrupts
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	600 * @arg Global_IT_FE : Touch Screen Controller FIFO Error interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	601 * @arg Global_IT_FF : Touch Screen Controller FIFO Full interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	602 * @arg Global_IT_FOV : Touch Screen Controller FIFO Overrun interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	603 * @arg Global_IT_FTH : Touch Screen Controller FIFO Threshold interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	604 * @arg Global_IT_TOUCH : Touch Screen Controller Touch Detected interrupt
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	605 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	606 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	607 uint8_t IOE_GITConfig(uint8_t DeviceAddr, uint8_t Global_IT, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	608 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	609 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	610
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	611 /* Get the current value of the INT_EN register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	612 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_INT_EN);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	613
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	614 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	615 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	616 /* Set the interrupts to be Enabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	617 tmp \|= (uint8_t)Global_IT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	618 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	619 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	620 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	621 /* Set the interrupts to be Disabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	622 tmp &= ~(uint8_t)Global_IT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	623 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	624 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	625 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_INT_EN, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	626
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	627 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	628 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	629 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	630
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	631 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	632 * @brief Configures the selected pins to generate an interrupt or not.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	633 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	634 * @param IO_IT: The IO interrupt to be configured. This parameter could be any
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	635 * combination of the following values:
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	636 * @arg IO_IT_x: where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	637 * @param NewState: could be ENABLE or DISABLE.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	638 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	639 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	640 uint8_t IOE_IOITConfig(uint8_t DeviceAddr, uint8_t IO_IT, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	641 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	642 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	643
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	644 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_INT_EN);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	645
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	646 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	647 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	648 /* Set the interrupts to be Enabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	649 tmp \|= (uint8_t)IO_IT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	650 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	651 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	652 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	653 /* Set the interrupts to be Disabled */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	654 tmp &= ~(uint8_t)IO_IT;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	655 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	656
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	657 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	658 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_INT_EN, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	659
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	660 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	661 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	662 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	663
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	664 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	665 * @brief Configures the touch Screen Controller (Single point detection)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	666 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	667 * @retval IOE_OK if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	668 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	669 uint8_t IOE_TS_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	670 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	671 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	672
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	673 /* Enable TSC Fct: already done in IOE_Config */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	674 tmp = I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_SYS_CTRL2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	675 tmp &= ~(uint32_t)(IOE_TS_FCT \| IOE_ADC_FCT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	676 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_SYS_CTRL2, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	677
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	678 /* Enable the TSC gloabl interrupts */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	679 tmp = I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_INT_EN);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	680 tmp \|= (uint32_t)(IOE_GIT_TOUCH \| IOE_GIT_FTH \| IOE_GIT_FOV);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	681 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_INT_EN, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	682
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	683 /* Select Sample Time, bit number and ADC Reference */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	684 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_ADC_CTRL1, 0x49);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	685
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	686 /* Wait for ~20 ms */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	687 _delay_(2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	688
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	689 /* Select the ADC clock speed: 3.25 MHz */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	690 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_ADC_CTRL2, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	691
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	692 /* Select TSC pins in non default mode */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	693 tmp = I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_GPIO_AF);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	694 tmp &= ~(uint8_t)TOUCH_IO_ALL;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	695 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_GPIO_AF, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	696
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	697 /* Select 2 nF filter capacitor */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	698 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_CFG, 0x9A);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	699
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	700 /* Select single point reading */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	701 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_TH, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	702
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	703 /* Write 0x01 to clear the FIFO memory content. */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	704 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_STA, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	705
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	706 /* Write 0x00 to put the FIFO back into operation mode */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	707 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_FIFO_STA, 0x00);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	708
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	709 /* set the data format for Z value: 7 fractional part and 1 whole part */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	710 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_FRACT_XYZ, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	711
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	712 /* set the driving capability of the device for TSC pins: 50mA */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	713 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_I_DRIVE, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	714
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	715 /* Use no tracking index, touchscreen controller operation mode (XYZ) and
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	716 enable the TSC */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	717 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TSC_CTRL, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	718
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	719 /* Clear all the status pending bits */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	720 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_INT_STA, 0xFF);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	721
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	722 /* Initialize the TS structure to their default values */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	723 TS_State.TouchDetected = TS_State.X = TS_State.Y = TS_State.Z = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	724
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	725 /* All configuration done */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	726 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	727 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	728
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	729 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	730 * @brief Configures and enables the Temperature sensor module.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	731 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	732 * @retval IOE_OK if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	733 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	734 uint8_t IOE_TempSens_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	735 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	736 __IO uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	737
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	738 /* Enable Temperature Sensor Fct: already done in IOE_Config */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	739 tmp = I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_SYS_CTRL2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	740 tmp &= ~(uint32_t)(IOE_TEMPSENS_FCT \| IOE_ADC_FCT);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	741 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_SYS_CTRL2, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	742
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	743 /* Enable the TEMPSENS module */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	744 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TEMP_CTRL, 0x01);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	745
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	746 /* Aquire data enable */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	747 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_TEMP_CTRL, 0x3);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	748
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	749 /* All configuration done */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	750 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	751 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	752
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	753 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	754 * @brief Configures the selected pin to be in Alternate function or not
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	755 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	756 * @param IO_Pin: IO_Pin_x, Where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	757 * @param NewState: State of the AF for the selected pin, could be
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	758 * ENABLE or DISABLE.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	759 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	760 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	761 uint8_t IOE_IOAFConfig(uint8_t DeviceAddr, uint8_t IO_Pin, FunctionalState NewState)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	762 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	763 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	764
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	765 /* Get the current state of the GPIO_AF register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	766 tmp = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_AF);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	767
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	768 if (NewState != DISABLE)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	769 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	770 /* Enable the selected pins alternate function */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	771 tmp \|= (uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	772 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	773 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	774 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	775 /* Disable the selected pins alternate function */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	776 tmp &= ~(uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	777 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	778
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	779 /* Write back the new valu in GPIO_AF register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	780 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_AF, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	781
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	782 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	783 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	784 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	785
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	786 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	787 * @brief Configures the Edge for which a transition is detectable for the
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	788 * the selected pin.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	789 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	790 * @param IO_Pin: IO_Pin_x, Where x can be from 0 to 7.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	791 * @param Edge: The edge which will be detected. This parameter can be one or a
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	792 * a combination of follwing values: EDGE_FALLING and EDGE_RISING .
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	793 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	794 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	795 uint8_t IOE_IOEdgeConfig(uint8_t DeviceAddr, uint8_t IO_Pin, uint8_t Edge)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	796 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	797 uint8_t tmp1 = 0, tmp2 = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	798
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	799 /* Get the registers values */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	800 tmp1 = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_FE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	801 tmp2 = I2C_ReadDeviceRegister(DeviceAddr, IOE_REG_GPIO_RE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	802
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	803 /* Disable the Falling Edge */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	804 tmp1 &= ~(uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	805 /* Disable the Falling Edge */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	806 tmp2 &= ~(uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	807
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	808 /* Enable the Falling edge if selected */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	809 if (Edge & EDGE_FALLING)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	810 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	811 tmp1 \|= (uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	812 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	813
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	814 /* Enable the Rising edge if selected */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	815 if (Edge & EDGE_RISING)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	816 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	817 tmp2 \|= (uint8_t)IO_Pin;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	818 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	819
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	820 /* Write back the registers values */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	821 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_FE, tmp1);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	822 I2C_WriteDeviceRegister(DeviceAddr, IOE_REG_GPIO_RE, tmp2);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	823
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	824 /* if OK return 0 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	825 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	826 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	827
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	828 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	829 * @brief Configures the Interrupt line active state and format (level/edge)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	830 * @param Polarity: could be
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	831 * @arg Polarity_Low: Interrupt line is active Low/Falling edge
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	832 * @arg Polarity_High: Interrupt line is active High/Rising edge
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	833 * @param Type: Interrupt line activity type, could be one of the following values
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	834 * @arg Type_Level: Interrupt line is active in level model
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	835 * @arg Type_Edge: Interrupt line is active in edge model
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	836 * @retval IOE_OK: if all initializations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	837 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	838 uint8_t IOE_ITOutConfig(uint8_t Polarity, uint8_t Type)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	839 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	840 uint8_t tmp = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	841
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	842 /* Get the register IOE_REG_INT_CTRL value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	843 tmp = I2C_ReadDeviceRegister(IOE_1_ADDR, IOE_REG_INT_CTRL);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	844
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	845 /* Mask the polarity and type bits */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	846 tmp &= ~(uint8_t)0x06;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	847
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	848 /* Modify the Interrupt Output line configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	849 tmp \|= (uint8_t)(Polarity \| Type);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	850
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	851 /* Set the register */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	852 I2C_WriteDeviceRegister(IOE_1_ADDR, IOE_REG_INT_CTRL, tmp);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	853
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	854 /* If all OK return IOE_OK */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	855 return IOE_OK;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	856 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	857
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	858 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	859 * @brief Writes a value in a register of the device through I2C.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	860 * @param DeviceAddr: The address of the IOExpander, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	861 * @param RegisterAddr: The target register adress
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	862 * @param RegisterValue: The target register value to be written
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	863 * @retval IOE_OK: if all operations are OK. Other value if error.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	864 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	865 uint8_t I2C_WriteDeviceRegister(uint8_t DeviceAddr, uint8_t RegisterAddr, uint8_t RegisterValue)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	866 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	867 uint32_t read_verif = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	868 uint8_t IOE_BufferTX = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	869
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	870 /* Get Value to be written */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	871 IOE_BufferTX = RegisterValue;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	872
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	873 /* Configure DMA Peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	874 IOE_DMA_Config(IOE_DMA_TX, (uint8_t*)(&IOE_BufferTX));
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	875
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	876 /* Enable the I2C peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	877 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	878
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	879 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	880 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	881 while (I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB) == RESET)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	882 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	883 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	884 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	885
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	886 /* Transmit the slave address and enable writing operation */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	887 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Transmitter);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	888
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	889 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	890 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	891 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	892 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	893 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	894 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	895
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	896 /* Transmit the first address for r/w operations */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	897 I2C_SendData(IOE_I2C, RegisterAddr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	898
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	899 /* Test on TXE FLag (data dent) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	900 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	901 while ((!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_TXE)) && (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_BTF)))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	902 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	903 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	904 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	905
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	906 /* Enable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	907 I2C_DMACmd(IOE_I2C,ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	908
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	909 /* Enable DMA TX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	910 DMA_Cmd(IOE_DMA_TX_CHANNEL, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	911
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	912 /* Wait until DMA Transfer Complete */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	913 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	914 while (!DMA_GetFlagStatus(IOE_DMA_TX_TCFLAG))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	915 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	916 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	917 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	918
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	919 /* Wait until BTF Flag is set before generating STOP */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	920 IOE_TimeOut = 2 * TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	921 while ((!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_BTF)))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	922 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	923 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	924
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	925 /* Send STOP Condition */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	926 I2C_GenerateSTOP(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	927
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	928 /* Disable DMA TX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	929 DMA_Cmd(IOE_DMA_TX_CHANNEL, DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	930
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	931 /* Disable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	932 I2C_DMACmd(IOE_I2C,DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	933
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	934 /* Clear DMA TX Transfer Complete Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	935 DMA_ClearFlag(IOE_DMA_TX_TCFLAG);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	936
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	937 #ifdef VERIFY_WRITTENDATA
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	938 /* Verify (if needed) that the loaded data is correct */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	939
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	940 /* Read the just written register*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	941 read_verif = I2C_ReadDeviceRegister(DeviceAddr, RegisterAddr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	942 /* Load the register and verify its value */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	943 if (read_verif != RegisterValue)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	944 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	945 /* Control data wrongly tranfered */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	946 read_verif = IOE_FAILURE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	947 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	948 else
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	949 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	950 /* Control data correctly transfered */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	951 read_verif = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	952 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	953 #endif
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	954
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	955 /* Return the verifying value: 0 (Passed) or 1 (Failed) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	956 return read_verif;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	957 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	958
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	959 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	960 * @brief Reads a register of the device through I2C.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	961 * @param DeviceAddr: The address of the device, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	962 * @param RegisterAddr: The target register adress (between 00x and 0x24)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	963 * @retval The value of the read register (0xAA if Timout occured)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	964 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	965 uint8_t I2C_ReadDeviceRegister(uint8_t DeviceAddr, uint8_t RegisterAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	966 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	967 uint8_t IOE_BufferRX[2] = {0x00, 0x00};
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	968
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	969 /* Configure DMA Peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	970 IOE_DMA_Config(IOE_DMA_RX, (uint8_t*)IOE_BufferRX);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	971
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	972 /* Enable DMA NACK automatic generation */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	973 I2C_DMALastTransferCmd(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	974
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	975 /* Enable the I2C peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	976 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	977
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	978 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	979 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	980 while (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	981 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	982 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	983 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	984
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	985 /* Send device address for write */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	986 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Transmitter);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	987
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	988 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	989 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	990 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	991 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	992 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	993 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	994
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	995 /* Send the device's internal address to write to */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	996 I2C_SendData(IOE_I2C, RegisterAddr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	997
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	998 /* Test on TXE FLag (data dent) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	999 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1000 while ((!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_TXE)) && (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_BTF)))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1001 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1002 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1003 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1004
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1005 /* Send START condition a second time */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1006 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1007
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1008 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1009 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1010 while (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1011 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1012 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1013 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1014
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1015 /* Send IOExpander address for read */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1016 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Receiver);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1017
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1018 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1019 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1020 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1021 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1022 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1023 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1024
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1025 /* Enable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1026 I2C_DMACmd(IOE_I2C,ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1027
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1028 /* Enable DMA RX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1029 DMA_Cmd(IOE_DMA_RX_CHANNEL, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1030
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1031 /* Wait until DMA Transfer Complete */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1032 IOE_TimeOut = 2 * TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1033 while (!DMA_GetFlagStatus(IOE_DMA_RX_TCFLAG))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1034 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1035 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1036 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1037
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1038 /* Send STOP Condition */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1039 I2C_GenerateSTOP(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1040
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1041 /* Disable DMA RX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1042 DMA_Cmd(IOE_DMA_RX_CHANNEL, DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1043
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1044 /* Disable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1045 I2C_DMACmd(IOE_I2C,DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1046
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1047 /* Clear DMA RX Transfer Complete Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1048 DMA_ClearFlag(IOE_DMA_RX_TCFLAG);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1049
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1050 /* return a pointer to the IOE_Buffer */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1051 return (uint8_t)IOE_BufferRX[0];
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1052 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1053
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1054
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1055 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1056 * @brief Reads a buffer of 2 bytes from the device registers.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1057 * @param DeviceAddr: The address of the device, could be : IOE_1_ADDR.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1058 * @param RegisterAddr: The target register adress (between 00x and 0x24)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1059 * @retval A pointer to the buffer containing the two returned bytes (in halfword).
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1060 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1061 uint16_t I2C_ReadDataBuffer(uint8_t DeviceAddr, uint32_t RegisterAddr)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1062 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1063 uint8_t tmp= 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1064 uint8_t IOE_BufferRX[2] = {0x00, 0x00};
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1065
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1066 /* Configure DMA Peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1067 IOE_DMA_Config(IOE_DMA_RX, (uint8_t*)IOE_BufferRX);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1068
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1069 /* Enable DMA NACK automatic generation */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1070 I2C_DMALastTransferCmd(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1071
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1072 /* Enable the I2C peripheral */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1073 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1074
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1075 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1076 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1077 while (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1078 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1079 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1080 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1081
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1082 /* Send device address for write */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1083 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Transmitter);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1084
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1085 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1086 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1087 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1088 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1089 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1090 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1091
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1092 /* Send the device's internal address to write to */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1093 I2C_SendData(IOE_I2C, RegisterAddr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1094
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1095 /* Test on TXE FLag (data dent) */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1096 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1097 while ((!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_TXE)) && (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_BTF)))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1098 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1099 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1100 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1101
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1102 /* Send START condition a second time */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1103 I2C_GenerateSTART(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1104
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1105 /* Test on SB Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1106 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1107 while (!I2C_GetFlagStatus(IOE_I2C,I2C_FLAG_SB))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1108 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1109 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1110 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1111
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1112 /* Send IOExpander address for read */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1113 I2C_Send7bitAddress(IOE_I2C, DeviceAddr, I2C_Direction_Receiver);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1114
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1115 /* Test on ADDR Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1116 IOE_TimeOut = TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1117 while (!I2C_CheckEvent(IOE_I2C, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1118 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1119 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1120 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1121
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1122 /* Enable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1123 I2C_DMACmd(IOE_I2C,ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1124
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1125 /* Enable DMA RX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1126 DMA_Cmd(IOE_DMA_RX_CHANNEL, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1127
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1128 /* Wait until DMA Transfer Complete */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1129 IOE_TimeOut = 2 * TIMEOUT_MAX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1130 while (!DMA_GetFlagStatus(IOE_DMA_RX_TCFLAG))
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1131 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1132 if (IOE_TimeOut-- == 0) return(IOE_TimeoutUserCallback());
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1133 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1134
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1135 /* Send STOP Condition */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1136 I2C_GenerateSTOP(IOE_I2C, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1137
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1138 /* Disable DMA RX Channel */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1139 DMA_Cmd(IOE_DMA_RX_CHANNEL, DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1140
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1141 /* Disable I2C DMA request */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1142 I2C_DMACmd(IOE_I2C,DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1143
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1144 /* Clear DMA RX Transfer Complete Flag */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1145 DMA_ClearFlag(IOE_DMA_RX_TCFLAG);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1146
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1147 /* Reorganize received data */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1148 tmp = IOE_BufferRX[0];
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1149 IOE_BufferRX[0] = IOE_BufferRX[1];
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1150 IOE_BufferRX[1] = tmp;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1151
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1152 /* return a pointer to the IOE_Buffer */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1153 return (uint16_t )IOE_BufferRX;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1154 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1155
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1156 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1157 * @brief Return Touch Screen X position value
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1158 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1159 * @retval X position.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1160 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1161 static uint16_t IOE_TS_Read_X(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1162 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1163 int32_t x, xr;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1164
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1165 x = I2C_ReadDataBuffer(IOE_1_ADDR, IOE_REG_TSC_DATA_Y);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1166
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1167 /* first correction */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1168 xr = (x * 320) >> 12;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1169 /* second correction */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1170 xr = ((xr * 32)/29) - 17;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1171
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1172 if(xr <= 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1173 xr = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1174
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1175 return (uint16_t)(xr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1176 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1177
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1178 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1179 * @brief Return Touch Screen Y position value
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1180 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1181 * @retval Y position.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1182 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1183 static uint16_t IOE_TS_Read_Y(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1184 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1185 int32_t y, yr;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1186 y= I2C_ReadDataBuffer(IOE_1_ADDR, IOE_REG_TSC_DATA_X);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1187
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1188 yr= (y * 240) >> 12;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1189 yr = ((yr * 240) / 217) - 12;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1190
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1191 if(yr <= 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1192 yr = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1193
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1194 return (uint16_t)(yr);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1195 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1196
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1197 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1198 * @brief Return Touch Screen Z position value
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1199 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1200 * @retval Z position.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1201 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1202 static uint16_t IOE_TS_Read_Z(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1203 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1204 uint32_t z;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1205 z = I2C_ReadDataBuffer(IOE_1_ADDR, IOE_REG_TSC_DATA_Z);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1206
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1207
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1208 if(z <= 0)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1209 z = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1210
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1211 return (uint16_t)(z);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1212 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1213
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1214 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1215 * @brief Initializes the GPIO pins used by the IO expander.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1216 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1217 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1218 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1219 static void IOE_GPIO_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1220 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1221 GPIO_InitTypeDef GPIO_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1222
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1223 /* Enable IOE_I2C and IOE_I2C_PORT & Alternate Function clocks */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1224 RCC_APB1PeriphClockCmd(IOE_I2C_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1225 RCC_APB2PeriphClockCmd(IOE_I2C_SCL_GPIO_CLK \| IOE_I2C_SDA_GPIO_CLK \| IOE_IT_GPIO_CLK
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1226 \| RCC_APB2Periph_AFIO, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1227
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1228 /* Reset IOE_I2C IP */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1229 RCC_APB1PeriphResetCmd(IOE_I2C_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1230
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1231 /* Release reset signal of IOE_I2C IP */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1232 RCC_APB1PeriphResetCmd(IOE_I2C_CLK, DISABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1233
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1234 /* IOE_I2C SCL and SDA pins configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1235 GPIO_InitStructure.GPIO_Pin = IOE_I2C_SCL_PIN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1236 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1237 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1238 GPIO_Init(IOE_I2C_SCL_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1239
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1240 /* IOE_I2C SCL and SDA pins configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1241 GPIO_InitStructure.GPIO_Pin = IOE_I2C_SDA_PIN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1242 GPIO_Init(IOE_I2C_SDA_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1243
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1244 /* Set EXTI pin as Input PullUp - IO_Expander_INT */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1245 GPIO_InitStructure.GPIO_Pin = IOE_IT_PIN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1246 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1247 GPIO_Init(IOE_IT_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1248
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1249 /* Connect IO Expander IT line to EXTI line */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1250 GPIO_EXTILineConfig(IOE_IT_EXTI_PORT_SOURCE, IOE_IT_EXTI_PIN_SOURCE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1251 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1252
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1253
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1254 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1255 * @brief Configure the I2C Peripheral used to communicate with IO_Expanders.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1256 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1257 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1258 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1259 static void IOE_I2C_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1260 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1261 I2C_InitTypeDef I2C_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1262
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1263 /* IOE_I2C configuration */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1264 I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1265 I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1266 I2C_InitStructure.I2C_OwnAddress1 = 0x00;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1267 I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1268 I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1269 I2C_InitStructure.I2C_ClockSpeed = IOE_I2C_SPEED;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1270
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1271 I2C_Init(IOE_I2C, &I2C_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1272 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1273
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1274
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1275 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1276 * @brief Configure the DMA Peripheral used to handle communication via I2C.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1277 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1278 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1279 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1280
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1281 static void IOE_DMA_Config(IOE_DMADirection_TypeDef Direction, uint8_t* buffer)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1282 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1283 DMA_InitTypeDef DMA_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1284
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1285 RCC_AHBPeriphClockCmd(IOE_DMA_CLK, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1286
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1287 /* Initialize the DMA_PeripheralBaseAddr member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1288 DMA_InitStructure.DMA_PeripheralBaseAddr = IOE_I2C_DR;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1289 /* Initialize the DMA_MemoryBaseAddr member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1290 DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)buffer;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1291 /* Initialize the DMA_PeripheralInc member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1292 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1293 /* Initialize the DMA_MemoryInc member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1294 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1295 /* Initialize the DMA_PeripheralDataSize member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1296 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1297 /* Initialize the DMA_MemoryDataSize member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1298 DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1299 /* Initialize the DMA_Mode member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1300 DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1301 /* Initialize the DMA_Priority member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1302 DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1303 /* Initialize the DMA_M2M member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1304 DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1305
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1306 /* If using DMA for Reception */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1307 if (Direction == IOE_DMA_RX)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1308 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1309 /* Initialize the DMA_DIR member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1310 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1311
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1312 /* Initialize the DMA_BufferSize member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1313 DMA_InitStructure.DMA_BufferSize = 2;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1314
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1315 DMA_DeInit(IOE_DMA_RX_CHANNEL);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1316
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1317 DMA_Init(IOE_DMA_RX_CHANNEL, &DMA_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1318 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1319 /* If using DMA for Transmission */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1320 else if (Direction == IOE_DMA_TX)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1321 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1322 /* Initialize the DMA_DIR member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1323 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1324
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1325 /* Initialize the DMA_BufferSize member */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1326 DMA_InitStructure.DMA_BufferSize = 1;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1327
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1328 DMA_DeInit(IOE_DMA_TX_CHANNEL);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1329
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1330 DMA_Init(IOE_DMA_TX_CHANNEL, &DMA_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1331 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1332 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1333
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1334 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1335 * @brief Configures the IO expander Interrupt line and GPIO in EXTI mode.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1336 * @param None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1337 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1338 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1339 static void IOE_EXTI_Config(void)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1340 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1341 GPIO_InitTypeDef GPIO_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1342 NVIC_InitTypeDef NVIC_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1343 EXTI_InitTypeDef EXTI_InitStructure;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1344
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1345 /* Enable Button GPIO clock */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1346 RCC_APB2PeriphClockCmd(IOE_IT_GPIO_CLK \| RCC_APB2Periph_AFIO, ENABLE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1347
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1348 /* Configure Button pin as input floating */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1349 GPIO_InitStructure.GPIO_Pin = IOE_IT_PIN;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1350 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1351 GPIO_Init(IOE_IT_GPIO_PORT, &GPIO_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1352
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1353 /* Connect Button EXTI Line to Button GPIO Pin */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1354 GPIO_EXTILineConfig(IOE_IT_EXTI_PORT_SOURCE, IOE_IT_EXTI_PIN_SOURCE);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1355
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1356 /* Configure Button EXTI line */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1357 EXTI_InitStructure.EXTI_Line = IOE_IT_EXTI_LINE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1358 EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1359 EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1360 EXTI_InitStructure.EXTI_LineCmd = ENABLE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1361 EXTI_Init(&EXTI_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1362
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1363 /* Enable and set Button EXTI Interrupt to the lowest priority */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1364 NVIC_InitStructure.NVIC_IRQChannel = IOE_IT_EXTI_IRQn;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1365 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1366 NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1367 NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1368 NVIC_Init(&NVIC_InitStructure);
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1369 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1370
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1371 #ifndef USE_Delay
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1372 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1373 * @brief Inserts a delay time.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1374 * @param nCount: specifies the delay time length.
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1375 * @retval None
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1376 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1377 static void delay(__IO uint32_t nCount)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1378 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1379 __IO uint32_t index = 0;
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1380 for(index = (100000 * nCount); index != 0; index--)
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1381 {
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1382 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1383 }
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1384 #endif /* USE_Delay*/
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1385 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1386 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1387 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1388
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1389 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1390 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1391 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1392
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1393 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1394 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1395 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1396
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1397 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1398 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1399 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1400
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1401 /**
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1402 * @}
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1403 */
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1404
c59513fd84fb Initial commit of STM32 test code. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1405 /***************** (C) COPYRIGHT 2011 STMicroelectronics *END OF FILE**/

Mercurial > ~darius > hgwebdir.cgi > stm32temp

annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32100E_EVAL/stm32100e_eval_ioe.c @ 8:58d76cf522ff