diff libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/Simplex_Interrupt/main.c @ 0:c59513fd84fb

Initial commit of STM32 test code.
author Daniel O'Connor <darius@dons.net.au>
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/Project/STM32F10x_StdPeriph_Examples/SPI/Simplex_Interrupt/main.c	Mon Oct 03 21:19:15 2011 +1030
@@ -0,0 +1,261 @@
+/**
+  ******************************************************************************
+  * @file    SPI/Simplex_Interrupt/main.c 
+  * @author  MCD Application Team
+  * @version V3.5.0
+  * @date    08-April-2011
+  * @brief   Main program body
+  ******************************************************************************
+  * @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>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x.h"
+#include "platform_config.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+  * @{
+  */
+
+/** @addtogroup SPI_Simplex_Interrupt
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
+
+/* Private define ------------------------------------------------------------*/
+#define BufferSize 32
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+SPI_InitTypeDef SPI_InitStructure;
+uint8_t SPI_MASTER_Buffer_Tx[BufferSize] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
+                                            0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C,
+                                            0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12,
+                                            0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
+                                            0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E,
+                                            0x1F, 0x20};
+uint8_t SPI_SLAVE_Buffer_Rx[BufferSize];
+__IO uint8_t TxIdx = 0, RxIdx = 0;
+volatile TestStatus TransferStatus = FAILED;
+
+/* Private functions ---------------------------------------------------------*/
+void RCC_Configuration(void);
+void GPIO_Configuration(void);
+void NVIC_Configuration(void);
+TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength);
+
+/**
+  * @brief  Main program
+  * @param  None
+  * @retval None
+  */
+int main(void)
+{
+  /*!< At this stage the microcontroller clock setting is already configured, 
+       this is done through SystemInit() function which is called from startup
+       file (startup_stm32f10x_xx.s) before to branch to application main.
+       To reconfigure the default setting of SystemInit() function, refer to
+       system_stm32f10x.c file
+     */     
+       
+  /* System clocks configuration ---------------------------------------------*/
+  RCC_Configuration();
+
+  /* NVIC configuration ------------------------------------------------------*/
+  NVIC_Configuration();
+
+  /* GPIO configuration ------------------------------------------------------*/
+  GPIO_Configuration();
+
+  /* SPI_MASTER configuration ------------------------------------------------*/
+  SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
+  SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
+  SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
+  SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
+  SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
+  SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
+  SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
+  SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
+  SPI_InitStructure.SPI_CRCPolynomial = 7;
+  SPI_Init(SPI_MASTER, &SPI_InitStructure);
+
+  /* SPI_SLAVE configuration -------------------------------------------------*/
+  SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Rx;
+  SPI_InitStructure.SPI_Mode = SPI_Mode_Slave;
+  SPI_Init(SPI_SLAVE, &SPI_InitStructure);
+
+  /* Enable SPI_MASTER TXE interrupt */
+  SPI_I2S_ITConfig(SPI_MASTER, SPI_I2S_IT_TXE, ENABLE);
+  /* Enable SPI_SLAVE RXNE interrupt */
+  SPI_I2S_ITConfig(SPI_SLAVE, SPI_I2S_IT_RXNE, ENABLE);
+
+  /* Enable SPI_SLAVE */
+  SPI_Cmd(SPI_SLAVE, ENABLE);
+  /* Enable SPI_MASTER */
+  SPI_Cmd(SPI_MASTER, ENABLE);
+
+  /* Transfer procedure */
+  while (RxIdx < BufferSize)
+  {}
+
+  /* Check the correctness of written dada */
+  TransferStatus = Buffercmp(SPI_SLAVE_Buffer_Rx, SPI_MASTER_Buffer_Tx, BufferSize);
+  /* TransferStatus = PASSED, if the transmitted and received data
+     are equal */
+  /* TransferStatus = FAILED, if the transmitted and received data
+     are different */
+
+  while (1)
+  {}
+}
+
+/**
+  * @brief  Configures the different system clocks.
+  * @param  None
+  * @retval None
+  */
+void RCC_Configuration(void)
+{
+  /* PCLK2 = HCLK/2 */
+  RCC_PCLK2Config(RCC_HCLK_Div2); 
+
+/* Enable peripheral clocks --------------------------------------------------*/
+#ifdef USE_STM3210C_EVAL
+  /* Enable GPIO clock for SPI_MASTER and SPI_SLAVE */
+  RCC_APB2PeriphClockCmd(SPI_MASTER_GPIO_CLK | SPI_SLAVE_GPIO_CLK |
+                         RCC_APB2Periph_AFIO, ENABLE);
+
+  /* Enable SPI_MASTER Periph clock */
+  RCC_APB1PeriphClockCmd(SPI_MASTER_CLK, ENABLE);                           
+#else
+  /* Enable SPI_MASTER clock and GPIO clock for SPI_MASTER and SPI_SLAVE */
+  RCC_APB2PeriphClockCmd(SPI_MASTER_GPIO_CLK | SPI_SLAVE_GPIO_CLK |
+                         SPI_MASTER_CLK, ENABLE);
+#endif
+  /* Enable SPI_SLAVE Periph clock */
+  RCC_APB1PeriphClockCmd(SPI_SLAVE_CLK, ENABLE);
+}
+
+/**
+  * @brief  Configures the different GPIO ports.
+  * @param  None
+  * @retval None
+  */
+void GPIO_Configuration(void)
+{
+  GPIO_InitTypeDef GPIO_InitStructure;
+
+#ifdef USE_STM3210C_EVAL
+  /* Enable SPI3 Pins Software Remapping */
+  GPIO_PinRemapConfig(GPIO_Remap_SPI3, ENABLE);
+#endif
+
+  /* Configure SPI_MASTER pins: SCK and MOSI ---------------------------------*/
+  /* Configure SCK and MOSI pins as Alternate Function Push Pull */
+  GPIO_InitStructure.GPIO_Pin = SPI_MASTER_PIN_SCK | SPI_MASTER_PIN_MOSI;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+  GPIO_Init(SPI_MASTER_GPIO, &GPIO_InitStructure);
+  
+  /* Configure SPI_SLAVE pins: SCK and MISO ---------------------------------*/
+  /* Configure SCK and MOSI pins as Input Floating */
+  GPIO_InitStructure.GPIO_Pin = SPI_SLAVE_PIN_SCK ;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+  GPIO_Init(SPI_SLAVE_GPIO, &GPIO_InitStructure);
+  /* Configure MISO pin as Alternate Function Push Pull */
+  GPIO_InitStructure.GPIO_Pin = SPI_SLAVE_PIN_MISO;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+  GPIO_Init(SPI_SLAVE_GPIO, &GPIO_InitStructure);
+}
+
+/**
+  * @brief  Configure the nested vectored interrupt controller.
+  * @param  None
+  * @retval None
+  */
+void NVIC_Configuration(void)
+{
+  NVIC_InitTypeDef NVIC_InitStructure;
+
+  /* 1 bit for pre-emption priority, 3 bits for subpriority */
+  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
+
+  /* Configure and enable SPI_MASTER interrupt -------------------------------*/
+  NVIC_InitStructure.NVIC_IRQChannel = SPI_MASTER_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_InitStructure);
+
+  /* Configure and enable SPI_SLAVE interrupt --------------------------------*/
+  NVIC_InitStructure.NVIC_IRQChannel = SPI_SLAVE_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
+  NVIC_Init(&NVIC_InitStructure);
+}
+
+/**
+  * @brief  Compares two buffers.
+  * @param  pBuffer1, pBuffer2: buffers to be compared.
+  * @param  BufferLength: buffer's length
+  * @retval PASSED: pBuffer1 identical to pBuffer2
+  *         FAILED: pBuffer1 differs from pBuffer2
+  */
+TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength)
+{
+  while (BufferLength--)
+  {
+    if (*pBuffer1 != *pBuffer2)
+    {
+      return FAILED;
+    }
+
+    pBuffer1++;
+    pBuffer2++;
+  }
+
+  return PASSED;
+}
+
+#ifdef  USE_FULL_ASSERT
+
+/**
+  * @brief  Reports the name of the source file and the source line number
+  *         where the assert_param error has occurred.
+  * @param  file: pointer to the source file name
+  * @param  line: assert_param error line source number
+  * @retval None
+  */
+void assert_failed(uint8_t* file, uint32_t line)
+{
+  /* User can add his own implementation to report the file name and line number,
+     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+
+  /* Infinite loop */
+  while (1)
+  {}
+}
+
+#endif
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/