Mercurial > ~darius > hgwebdir.cgi > stm32temp
diff libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval.c @ 0:c59513fd84fb
Initial commit of STM32 test code.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Mon, 03 Oct 2011 21:19:15 +1030 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval.c Mon Oct 03 21:19:15 2011 +1030 @@ -0,0 +1,667 @@ +/** + ****************************************************************************** + * @file stm3210e_eval.c + * @author MCD Application Team + * @version V4.5.0 + * @date 07-March-2011 + * @brief This file provides + * - set of firmware functions to manage Leds, push-button and COM ports + * - low level initialization functions for SD card (on SDIO), SPI serial + * flash (sFLASH) and temperature sensor (LM75) + * available on STM3210E-EVAL evaluation board from STMicroelectronics. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm3210e_eval.h" +#include "stm32f10x_spi.h" +#include "stm32f10x_i2c.h" +#include "stm32f10x_sdio.h" +#include "stm32f10x_dma.h" + +/** @addtogroup Utilities + * @{ + */ + +/** @addtogroup STM32_EVAL + * @{ + */ + +/** @addtogroup STM3210E_EVAL + * @{ + */ + +/** @defgroup STM3210E_EVAL_LOW_LEVEL + * @brief This file provides firmware functions to manage Leds, push-buttons, + * COM ports, SD card on SDIO, serial flash (sFLASH), serial EEPROM (sEE) + * and temperature sensor (LM75) available on STM3210E-EVAL evaluation + * board from STMicroelectronics. + * @{ + */ + +/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + + +/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_Defines + * @{ + */ +/** + * @} + */ + + +/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_Macros + * @{ + */ +/** + * @} + */ + + +/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_Variables + * @{ + */ +GPIO_TypeDef* GPIO_PORT[LEDn] = {LED1_GPIO_PORT, LED2_GPIO_PORT, LED3_GPIO_PORT, + LED4_GPIO_PORT}; +const uint16_t GPIO_PIN[LEDn] = {LED1_PIN, LED2_PIN, LED3_PIN, + LED4_PIN}; +const uint32_t GPIO_CLK[LEDn] = {LED1_GPIO_CLK, LED2_GPIO_CLK, LED3_GPIO_CLK, + LED4_GPIO_CLK}; + +GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {WAKEUP_BUTTON_GPIO_PORT, TAMPER_BUTTON_GPIO_PORT, + KEY_BUTTON_GPIO_PORT, RIGHT_BUTTON_GPIO_PORT, + LEFT_BUTTON_GPIO_PORT, UP_BUTTON_GPIO_PORT, + DOWN_BUTTON_GPIO_PORT, SEL_BUTTON_GPIO_PORT}; + +const uint16_t BUTTON_PIN[BUTTONn] = {WAKEUP_BUTTON_PIN, TAMPER_BUTTON_PIN, + KEY_BUTTON_PIN, RIGHT_BUTTON_PIN, + LEFT_BUTTON_PIN, UP_BUTTON_PIN, + DOWN_BUTTON_PIN, SEL_BUTTON_PIN}; + +const uint32_t BUTTON_CLK[BUTTONn] = {WAKEUP_BUTTON_GPIO_CLK, TAMPER_BUTTON_GPIO_CLK, + KEY_BUTTON_GPIO_CLK, RIGHT_BUTTON_GPIO_CLK, + LEFT_BUTTON_GPIO_CLK, UP_BUTTON_GPIO_CLK, + DOWN_BUTTON_GPIO_CLK, SEL_BUTTON_GPIO_CLK}; + +const uint16_t BUTTON_EXTI_LINE[BUTTONn] = {WAKEUP_BUTTON_EXTI_LINE, + TAMPER_BUTTON_EXTI_LINE, + KEY_BUTTON_EXTI_LINE, + RIGHT_BUTTON_EXTI_LINE, + LEFT_BUTTON_EXTI_LINE, + UP_BUTTON_EXTI_LINE, + DOWN_BUTTON_EXTI_LINE, + SEL_BUTTON_EXTI_LINE}; + +const uint16_t BUTTON_PORT_SOURCE[BUTTONn] = {WAKEUP_BUTTON_EXTI_PORT_SOURCE, + TAMPER_BUTTON_EXTI_PORT_SOURCE, + KEY_BUTTON_EXTI_PORT_SOURCE, + RIGHT_BUTTON_EXTI_PORT_SOURCE, + LEFT_BUTTON_EXTI_PORT_SOURCE, + UP_BUTTON_EXTI_PORT_SOURCE, + DOWN_BUTTON_EXTI_PORT_SOURCE, + SEL_BUTTON_EXTI_PORT_SOURCE}; + +const uint16_t BUTTON_PIN_SOURCE[BUTTONn] = {WAKEUP_BUTTON_EXTI_PIN_SOURCE, + TAMPER_BUTTON_EXTI_PIN_SOURCE, + KEY_BUTTON_EXTI_PIN_SOURCE, + RIGHT_BUTTON_EXTI_PIN_SOURCE, + LEFT_BUTTON_EXTI_PIN_SOURCE, + UP_BUTTON_EXTI_PIN_SOURCE, + DOWN_BUTTON_EXTI_PIN_SOURCE, + SEL_BUTTON_EXTI_PIN_SOURCE}; + +const uint16_t BUTTON_IRQn[BUTTONn] = {WAKEUP_BUTTON_EXTI_IRQn, TAMPER_BUTTON_EXTI_IRQn, + KEY_BUTTON_EXTI_IRQn, RIGHT_BUTTON_EXTI_IRQn, + LEFT_BUTTON_EXTI_IRQn, UP_BUTTON_EXTI_IRQn, + DOWN_BUTTON_EXTI_IRQn, SEL_BUTTON_EXTI_IRQn}; + +USART_TypeDef* COM_USART[COMn] = {EVAL_COM1, EVAL_COM2}; + +GPIO_TypeDef* COM_TX_PORT[COMn] = {EVAL_COM1_TX_GPIO_PORT, EVAL_COM2_TX_GPIO_PORT}; + +GPIO_TypeDef* COM_RX_PORT[COMn] = {EVAL_COM1_RX_GPIO_PORT, EVAL_COM2_RX_GPIO_PORT}; + +const uint32_t COM_USART_CLK[COMn] = {EVAL_COM1_CLK, EVAL_COM2_CLK}; + +const uint32_t COM_TX_PORT_CLK[COMn] = {EVAL_COM1_TX_GPIO_CLK, EVAL_COM2_TX_GPIO_CLK}; + +const uint32_t COM_RX_PORT_CLK[COMn] = {EVAL_COM1_RX_GPIO_CLK, EVAL_COM2_RX_GPIO_CLK}; + +const uint16_t COM_TX_PIN[COMn] = {EVAL_COM1_TX_PIN, EVAL_COM2_TX_PIN}; + +const uint16_t COM_RX_PIN[COMn] = {EVAL_COM1_RX_PIN, EVAL_COM2_RX_PIN}; + +/** + * @} + */ + + +/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + + +/** @defgroup STM3210E_EVAL_LOW_LEVEL_Private_Functions + * @{ + */ + +/** + * @brief Configures LED GPIO. + * @param Led: Specifies the Led to be configured. + * This parameter can be one of following parameters: + * @arg LED1 + * @arg LED2 + * @arg LED3 + * @arg LED4 + * @retval None + */ +void STM_EVAL_LEDInit(Led_TypeDef Led) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* Enable the GPIO_LED Clock */ + RCC_APB2PeriphClockCmd(GPIO_CLK[Led], ENABLE); + + /* Configure the GPIO_LED pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_PIN[Led]; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + + GPIO_Init(GPIO_PORT[Led], &GPIO_InitStructure); +} + +/** + * @brief Turns selected LED On. + * @param Led: Specifies the Led to be set on. + * This parameter can be one of following parameters: + * @arg LED1 + * @arg LED2 + * @arg LED3 + * @arg LED4 + * @retval None + */ +void STM_EVAL_LEDOn(Led_TypeDef Led) +{ + GPIO_PORT[Led]->BSRR = GPIO_PIN[Led]; +} + +/** + * @brief Turns selected LED Off. + * @param Led: Specifies the Led to be set off. + * This parameter can be one of following parameters: + * @arg LED1 + * @arg LED2 + * @arg LED3 + * @arg LED4 + * @retval None + */ +void STM_EVAL_LEDOff(Led_TypeDef Led) +{ + GPIO_PORT[Led]->BRR = GPIO_PIN[Led]; +} + +/** + * @brief Toggles the selected LED. + * @param Led: Specifies the Led to be toggled. + * This parameter can be one of following parameters: + * @arg LED1 + * @arg LED2 + * @arg LED3 + * @arg LED4 + * @retval None + */ +void STM_EVAL_LEDToggle(Led_TypeDef Led) +{ + GPIO_PORT[Led]->ODR ^= GPIO_PIN[Led]; +} + +/** + * @brief Configures Button GPIO and EXTI Line. + * @param Button: Specifies the Button to be configured. + * This parameter can be one of following parameters: + * @arg BUTTON_WAKEUP: Wakeup Push Button + * @arg BUTTON_TAMPER: Tamper Push Button + * @arg BUTTON_KEY: Key Push Button + * @arg BUTTON_RIGHT: Joystick Right Push Button + * @arg BUTTON_LEFT: Joystick Left Push Button + * @arg BUTTON_UP: Joystick Up Push Button + * @arg BUTTON_DOWN: Joystick Down Push Button + * @arg BUTTON_SEL: Joystick Sel Push Button + * @param Button_Mode: Specifies Button mode. + * This parameter can be one of following parameters: + * @arg BUTTON_MODE_GPIO: Button will be used as simple IO + * @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt + * generation capability + * @retval None + */ +void STM_EVAL_PBInit(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode) +{ + GPIO_InitTypeDef GPIO_InitStructure; + EXTI_InitTypeDef EXTI_InitStructure; + NVIC_InitTypeDef NVIC_InitStructure; + + /* Enable the BUTTON Clock */ + RCC_APB2PeriphClockCmd(BUTTON_CLK[Button] | RCC_APB2Periph_AFIO, ENABLE); + + /* Configure Button pin as input floating */ + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_InitStructure.GPIO_Pin = BUTTON_PIN[Button]; + GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStructure); + + + if (Button_Mode == BUTTON_MODE_EXTI) + { + /* Connect Button EXTI Line to Button GPIO Pin */ + GPIO_EXTILineConfig(BUTTON_PORT_SOURCE[Button], BUTTON_PIN_SOURCE[Button]); + + /* Configure Button EXTI line */ + EXTI_InitStructure.EXTI_Line = BUTTON_EXTI_LINE[Button]; + EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; + + if(Button != BUTTON_WAKEUP) + { + EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; + } + else + { + EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; + } + EXTI_InitStructure.EXTI_LineCmd = ENABLE; + EXTI_Init(&EXTI_InitStructure); + + /* Enable and set Button EXTI Interrupt to the lowest priority */ + NVIC_InitStructure.NVIC_IRQChannel = BUTTON_IRQn[Button]; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + + NVIC_Init(&NVIC_InitStructure); + } +} + +/** + * @brief Returns the selected Button state. + * @param Button: Specifies the Button to be checked. + * This parameter can be one of following parameters: + * @arg BUTTON_WAKEUP: Wakeup Push Button + * @arg BUTTON_TAMPER: Tamper Push Button + * @arg BUTTON_KEY: Key Push Button + * @arg BUTTON_RIGHT: Joystick Right Push Button + * @arg BUTTON_LEFT: Joystick Left Push Button + * @arg BUTTON_UP: Joystick Up Push Button + * @arg BUTTON_DOWN: Joystick Down Push Button + * @arg BUTTON_SEL: Joystick Sel Push Button + * @retval The Button GPIO pin value. + */ +uint32_t STM_EVAL_PBGetState(Button_TypeDef Button) +{ + return GPIO_ReadInputDataBit(BUTTON_PORT[Button], BUTTON_PIN[Button]); +} + +/** + * @brief Configures COM port. + * @param COM: Specifies the COM port to be configured. + * This parameter can be one of following parameters: + * @arg COM1 + * @arg COM2 + * @param USART_InitStruct: pointer to a USART_InitTypeDef structure that + * contains the configuration information for the specified USART peripheral. + * @retval None + */ +void STM_EVAL_COMInit(COM_TypeDef COM, USART_InitTypeDef* USART_InitStruct) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* Enable GPIO clock */ + RCC_APB2PeriphClockCmd(COM_TX_PORT_CLK[COM] | COM_RX_PORT_CLK[COM] | RCC_APB2Periph_AFIO, ENABLE); + + /* Enable UART clock */ + if (COM == COM1) + { + RCC_APB2PeriphClockCmd(COM_USART_CLK[COM], ENABLE); + } + else + { + RCC_APB1PeriphClockCmd(COM_USART_CLK[COM], ENABLE); + } + + /* Configure USART Tx as alternate function push-pull */ + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_InitStructure.GPIO_Pin = COM_TX_PIN[COM]; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_Init(COM_TX_PORT[COM], &GPIO_InitStructure); + + /* Configure USART Rx as input floating */ + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_InitStructure.GPIO_Pin = COM_RX_PIN[COM]; + GPIO_Init(COM_RX_PORT[COM], &GPIO_InitStructure); + + /* USART configuration */ + USART_Init(COM_USART[COM], USART_InitStruct); + + /* Enable USART */ + USART_Cmd(COM_USART[COM], ENABLE); +} + +/** + * @brief DeInitializes the SDIO interface. + * @param None + * @retval None + */ +void SD_LowLevel_DeInit(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /*!< Disable SDIO Clock */ + SDIO_ClockCmd(DISABLE); + + /*!< Set Power State to OFF */ + SDIO_SetPowerState(SDIO_PowerState_OFF); + + /*!< DeInitializes the SDIO peripheral */ + SDIO_DeInit(); + + /*!< Disable the SDIO AHB Clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_SDIO, DISABLE); + + /*!< Configure PC.08, PC.09, PC.10, PC.11, PC.12 pin: D0, D1, D2, D3, CLK pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_Init(GPIOC, &GPIO_InitStructure); + + /*!< Configure PD.02 CMD line */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; + GPIO_Init(GPIOD, &GPIO_InitStructure); +} + +/** + * @brief Initializes the SD Card and put it into StandBy State (Ready for + * data transfer). + * @param None + * @retval None + */ +void SD_LowLevel_Init(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /*!< GPIOC and GPIOD Periph clock enable */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD | SD_DETECT_GPIO_CLK, ENABLE); + + /*!< Configure PC.08, PC.09, PC.10, PC.11, PC.12 pin: D0, D1, D2, D3, CLK pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOC, &GPIO_InitStructure); + + /*!< Configure PD.02 CMD line */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; + GPIO_Init(GPIOD, &GPIO_InitStructure); + + /*!< Configure SD_SPI_DETECT_PIN pin: SD Card detect pin */ + GPIO_InitStructure.GPIO_Pin = SD_DETECT_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; + GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructure); + + /*!< Enable the SDIO AHB Clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_SDIO, ENABLE); + + /*!< Enable the DMA2 Clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE); +} + +/** + * @brief Configures the DMA2 Channel4 for SDIO Tx request. + * @param BufferSRC: pointer to the source buffer + * @param BufferSize: buffer size + * @retval None + */ +void SD_LowLevel_DMA_TxConfig(uint32_t *BufferSRC, uint32_t BufferSize) +{ + + DMA_InitTypeDef DMA_InitStructure; + + DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4); + + /*!< DMA2 Channel4 disable */ + DMA_Cmd(DMA2_Channel4, DISABLE); + + /*!< DMA2 Channel4 Config */ + DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_ADDRESS; + DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferSRC; + DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; + DMA_InitStructure.DMA_BufferSize = BufferSize / 4; + DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; + DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; + DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; + DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; + DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; + DMA_InitStructure.DMA_Priority = DMA_Priority_High; + DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; + DMA_Init(DMA2_Channel4, &DMA_InitStructure); + + /*!< DMA2 Channel4 enable */ + DMA_Cmd(DMA2_Channel4, ENABLE); +} + +/** + * @brief Configures the DMA2 Channel4 for SDIO Rx request. + * @param BufferDST: pointer to the destination buffer + * @param BufferSize: buffer size + * @retval None + */ +void SD_LowLevel_DMA_RxConfig(uint32_t *BufferDST, uint32_t BufferSize) +{ + DMA_InitTypeDef DMA_InitStructure; + + DMA_ClearFlag(DMA2_FLAG_TC4 | DMA2_FLAG_TE4 | DMA2_FLAG_HT4 | DMA2_FLAG_GL4); + + /*!< DMA2 Channel4 disable */ + DMA_Cmd(DMA2_Channel4, DISABLE); + + /*!< DMA2 Channel4 Config */ + DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SDIO_FIFO_ADDRESS; + DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)BufferDST; + DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; + DMA_InitStructure.DMA_BufferSize = BufferSize / 4; + DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; + DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; + DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; + DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; + DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; + DMA_InitStructure.DMA_Priority = DMA_Priority_High; + DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; + DMA_Init(DMA2_Channel4, &DMA_InitStructure); + + /*!< DMA2 Channel4 enable */ + DMA_Cmd(DMA2_Channel4, ENABLE); +} + +/** + * @brief Returns the DMA End Of Transfer Status. + * @param None + * @retval DMA SDIO Channel Status. + */ +uint32_t SD_DMAEndOfTransferStatus(void) +{ + return (uint32_t)DMA_GetFlagStatus(DMA2_FLAG_TC4); +} + +/** + * @brief DeInitializes the peripherals used by the SPI FLASH driver. + * @param None + * @retval None + */ +void sFLASH_LowLevel_DeInit(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /*!< Disable the sFLASH_SPI */ + SPI_Cmd(sFLASH_SPI, DISABLE); + + /*!< DeInitializes the sFLASH_SPI */ + SPI_I2S_DeInit(sFLASH_SPI); + + /*!< sFLASH_SPI Periph clock disable */ + RCC_APB2PeriphClockCmd(sFLASH_SPI_CLK, DISABLE); + + /*!< Configure sFLASH_SPI pins: SCK */ + GPIO_InitStructure.GPIO_Pin = sFLASH_SPI_SCK_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_Init(sFLASH_SPI_SCK_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure sFLASH_SPI pins: MISO */ + GPIO_InitStructure.GPIO_Pin = sFLASH_SPI_MISO_PIN; + GPIO_Init(sFLASH_SPI_MISO_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure sFLASH_SPI pins: MOSI */ + GPIO_InitStructure.GPIO_Pin = sFLASH_SPI_MOSI_PIN; + GPIO_Init(sFLASH_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure sFLASH_CS_PIN pin: sFLASH Card CS pin */ + GPIO_InitStructure.GPIO_Pin = sFLASH_CS_PIN; + GPIO_Init(sFLASH_CS_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @brief Initializes the peripherals used by the SPI FLASH driver. + * @param None + * @retval None + */ +void sFLASH_LowLevel_Init(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /*!< sFLASH_SPI_CS_GPIO, sFLASH_SPI_MOSI_GPIO, sFLASH_SPI_MISO_GPIO + and sFLASH_SPI_SCK_GPIO Periph clock enable */ + RCC_APB2PeriphClockCmd(sFLASH_CS_GPIO_CLK | sFLASH_SPI_MOSI_GPIO_CLK | sFLASH_SPI_MISO_GPIO_CLK | + sFLASH_SPI_SCK_GPIO_CLK, ENABLE); + + /*!< sFLASH_SPI Periph clock enable */ + RCC_APB2PeriphClockCmd(sFLASH_SPI_CLK, ENABLE); + + /*!< Configure sFLASH_SPI pins: SCK */ + GPIO_InitStructure.GPIO_Pin = sFLASH_SPI_SCK_PIN; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(sFLASH_SPI_SCK_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure sFLASH_SPI pins: MOSI */ + GPIO_InitStructure.GPIO_Pin = sFLASH_SPI_MOSI_PIN; + GPIO_Init(sFLASH_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure sFLASH_SPI pins: MISO */ + GPIO_InitStructure.GPIO_Pin = sFLASH_SPI_MISO_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_Init(sFLASH_SPI_MISO_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure sFLASH_CS_PIN pin: sFLASH Card CS pin */ + GPIO_InitStructure.GPIO_Pin = sFLASH_CS_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; + GPIO_Init(sFLASH_CS_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @brief DeInitializes the LM75_I2C. + * @param None + * @retval None + */ +void LM75_LowLevel_DeInit(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /*!< Disable LM75_I2C */ + I2C_Cmd(LM75_I2C, DISABLE); + /*!< DeInitializes the LM75_I2C */ + I2C_DeInit(LM75_I2C); + + /*!< LM75_I2C Periph clock disable */ + RCC_APB1PeriphClockCmd(LM75_I2C_CLK, DISABLE); + + /*!< Configure LM75_I2C pins: SCL */ + GPIO_InitStructure.GPIO_Pin = LM75_I2C_SCL_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_Init(LM75_I2C_SCL_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure LM75_I2C pins: SDA */ + GPIO_InitStructure.GPIO_Pin = LM75_I2C_SDA_PIN; + GPIO_Init(LM75_I2C_SDA_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure LM75_I2C pin: SMBUS ALERT */ + GPIO_InitStructure.GPIO_Pin = LM75_I2C_SMBUSALERT_PIN; + GPIO_Init(LM75_I2C_SMBUSALERT_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @brief Initializes the LM75_I2C.. + * @param None + * @retval None + */ +void LM75_LowLevel_Init(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /*!< LM75_I2C Periph clock enable */ + RCC_APB1PeriphClockCmd(LM75_I2C_CLK, ENABLE); + + /*!< LM75_I2C_SCL_GPIO_CLK, LM75_I2C_SDA_GPIO_CLK + and LM75_I2C_SMBUSALERT_GPIO_CLK Periph clock enable */ + RCC_APB2PeriphClockCmd(LM75_I2C_SCL_GPIO_CLK | LM75_I2C_SDA_GPIO_CLK | + LM75_I2C_SMBUSALERT_GPIO_CLK, ENABLE); + + /*!< Configure LM75_I2C pins: SCL */ + GPIO_InitStructure.GPIO_Pin = LM75_I2C_SCL_PIN; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD; + GPIO_Init(LM75_I2C_SCL_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure LM75_I2C pins: SDA */ + GPIO_InitStructure.GPIO_Pin = LM75_I2C_SDA_PIN; + GPIO_Init(LM75_I2C_SDA_GPIO_PORT, &GPIO_InitStructure); + + /*!< Configure LM75_I2C pin: SMBUS ALERT */ + GPIO_InitStructure.GPIO_Pin = LM75_I2C_SMBUSALERT_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; + GPIO_Init(LM75_I2C_SMBUSALERT_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/