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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/SPI_RAM/main.c')
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1 files changed, 0 insertions, 358 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/SPI_RAM/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/SPI_RAM/main.c deleted file mode 100644 index 2448236..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/SPI_RAM/main.c +++ /dev/null @@ -1,358 +0,0 @@ -/** - ****************************************************************************** - * @file DMA/SPI_RAM/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>© COPYRIGHT 2011 STMicroelectronics</center></h2> - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f10x.h" -#include "platform_config.h" -#include "stm32_eval.h" - -/** @addtogroup STM32F10x_StdPeriph_Examples - * @{ - */ - -/** @addtogroup DMA_SPI_RAM - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus; - -/* Private define ------------------------------------------------------------*/ -#define BufferSize 32 -#define CRCPolynomial 7 - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -SPI_InitTypeDef SPI_InitStructure; -DMA_InitTypeDef DMA_InitStructure; -uint8_t SPI_MASTER_Buffer_Rx[BufferSize], SPI_SLAVE_Buffer_Rx[BufferSize]; -volatile uint8_t SPI_MASTERCRCValue = 0, SPI_SLAVECRCValue = 0; -volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = FAILED; - -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_Tx[BufferSize] = {0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58, - 0x59,0x5A,0x5B,0x5C,0x5D,0x5E,0x5F,0x60, - 0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68, - 0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F,0x70}; - -/* Private function prototypes -----------------------------------------------*/ -void RCC_Configuration(void); -void GPIO_Configuration(void); -TestStatus Buffercmp(uint8_t* pBuffer, uint8_t* pBuffer1, uint16_t BufferLength); - -/* Private functions ---------------------------------------------------------*/ - -/** - * @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 - */ - - /* Configure the STM32_EVAL LED */ - STM_EVAL_LEDInit(LED1); - STM_EVAL_LEDInit(LED2); - /* Turn Off LED1 and LED2 */ - STM_EVAL_LEDOff(LED1); - STM_EVAL_LEDOff(LED2); - - /* System Clocks Configuration */ - RCC_Configuration(); - - /* Configure the GPIO ports */ - GPIO_Configuration(); - - /* SPI_MASTER configuration ------------------------------------------------*/ - SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; - 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_8; - SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; - SPI_InitStructure.SPI_CRCPolynomial = CRCPolynomial; - SPI_Init(SPI_MASTER, &SPI_InitStructure); - - /* SPI_SLAVE configuration -------------------------------------------------*/ - SPI_InitStructure.SPI_Mode = SPI_Mode_Slave; - SPI_Init(SPI_SLAVE, &SPI_InitStructure); - - /* SPI_MASTER_Rx_DMA_Channel configuration ---------------------------------*/ - DMA_DeInit(SPI_MASTER_Rx_DMA_Channel); - DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SPI_MASTER_DR_Base; - DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)SPI_MASTER_Buffer_Rx; - DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; - DMA_InitStructure.DMA_BufferSize = BufferSize; - DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; - DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; - DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte; - DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte; - DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; - DMA_InitStructure.DMA_Priority = DMA_Priority_High; - DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; - DMA_Init(SPI_MASTER_Rx_DMA_Channel, &DMA_InitStructure); - - /* SPI_MASTER_Tx_DMA_Channel configuration ---------------------------------*/ - DMA_DeInit(SPI_MASTER_Tx_DMA_Channel); - DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SPI_MASTER_DR_Base; - DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)SPI_MASTER_Buffer_Tx; - DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; - DMA_InitStructure.DMA_Priority = DMA_Priority_Low; - DMA_Init(SPI_MASTER_Tx_DMA_Channel, &DMA_InitStructure); - - /* SPI_SLAVE_Rx_DMA_Channel configuration ----------------------------------*/ - DMA_DeInit(SPI_SLAVE_Rx_DMA_Channel); - DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SPI_SLAVE_DR_Base; - DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)SPI_SLAVE_Buffer_Rx; - DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; - DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh; - DMA_Init(SPI_SLAVE_Rx_DMA_Channel, &DMA_InitStructure); - - /* SPI_SLAVE_Tx_DMA_Channel configuration ----------------------------------*/ - DMA_DeInit(SPI_SLAVE_Tx_DMA_Channel); - DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SPI_SLAVE_DR_Base; - DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)SPI_SLAVE_Buffer_Tx; - DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; - DMA_InitStructure.DMA_Priority = DMA_Priority_Medium; - DMA_Init(SPI_SLAVE_Tx_DMA_Channel, &DMA_InitStructure); - - /* Enable SPI_MASTER DMA Tx request */ - SPI_I2S_DMACmd(SPI_MASTER, SPI_I2S_DMAReq_Tx, ENABLE); - /* Enable SPI_MASTER DMA Rx request */ - SPI_I2S_DMACmd(SPI_MASTER, SPI_I2S_DMAReq_Rx, ENABLE); - /* Enable SPI_SLAVE DMA Tx request */ - SPI_I2S_DMACmd(SPI_SLAVE, SPI_I2S_DMAReq_Tx, ENABLE); - /* Enable SPI_SLAVE DMA Rx request */ - SPI_I2S_DMACmd(SPI_SLAVE, SPI_I2S_DMAReq_Rx, ENABLE); - - /* Enable SPI_MASTER CRC calculation */ - SPI_CalculateCRC(SPI_MASTER, ENABLE); - /* Enable SPI_SLAVE CRC calculation */ - SPI_CalculateCRC(SPI_SLAVE, ENABLE); - - /* Enable SPI_SLAVE */ - SPI_Cmd(SPI_SLAVE, ENABLE); - /* Enable SPI_MASTER */ - SPI_Cmd(SPI_MASTER, ENABLE); - - /* Enable DMA channels */ - DMA_Cmd(SPI_MASTER_Rx_DMA_Channel, ENABLE); - DMA_Cmd(SPI_SLAVE_Rx_DMA_Channel, ENABLE); - DMA_Cmd(SPI_SLAVE_Tx_DMA_Channel, ENABLE); - DMA_Cmd(SPI_MASTER_Tx_DMA_Channel, ENABLE); - - /* Transfer complete */ - while(!DMA_GetFlagStatus(SPI_MASTER_Rx_DMA_FLAG)); - while(!DMA_GetFlagStatus(SPI_SLAVE_Rx_DMA_FLAG)); - while(!DMA_GetFlagStatus(SPI_SLAVE_Tx_DMA_FLAG)); - while(!DMA_GetFlagStatus(SPI_MASTER_Tx_DMA_FLAG)); - - /* Wait for SPI_MASTER data reception: CRC transmitted by SPI_SLAVE */ - while(SPI_I2S_GetFlagStatus(SPI_MASTER, SPI_I2S_FLAG_RXNE) == RESET); - /* Wait for SPI_SLAVE data reception: CRC transmitted by SPI_MASTER */ - while(SPI_I2S_GetFlagStatus(SPI_SLAVE, SPI_I2S_FLAG_RXNE) == RESET); - - /* Check the correctness of written dada */ - TransferStatus1 = Buffercmp(SPI_SLAVE_Buffer_Rx, SPI_MASTER_Buffer_Tx, BufferSize); - TransferStatus2 = Buffercmp(SPI_MASTER_Buffer_Rx, SPI_SLAVE_Buffer_Tx, BufferSize); - /* TransferStatus1, TransferStatus2 = PASSED, if the data transmitted and received - are correct */ - /* TransferStatus1, TransferStatus2 = FAILED, if the data transmitted and received - are different */ - - /* Test on the SPI_MASTER CRCR ERROR flag */ - if ((SPI_I2S_GetFlagStatus(SPI_MASTER, SPI_FLAG_CRCERR)) != RESET) - { - TransferStatus1 = FAILED; - } - /* Test on the SPI_SLAVE CRCR ERROR flag */ - if ((SPI_I2S_GetFlagStatus(SPI_SLAVE, SPI_FLAG_CRCERR)) != RESET) - { - TransferStatus2 = FAILED; - } - - /* Read SPI_MASTER received CRC value */ - SPI_MASTERCRCValue = SPI_I2S_ReceiveData(SPI_MASTER); - /* Read SPI_SLAVE received CRC value */ - SPI_SLAVECRCValue = SPI_I2S_ReceiveData(SPI_SLAVE); - - if (TransferStatus1 != FAILED) - { - /* OK */ - /* Turn on LD1 */ - STM_EVAL_LEDOn(LED1); - } - else - { - /* KO */ - /* Turn Off LD1 */ - STM_EVAL_LEDOff(LED1); - } - - if (TransferStatus2 != FAILED) - { - /* OK */ - /* Turn on LD2 */ - STM_EVAL_LEDOn(LED2); - } - else - { - /* KO */ - /* Turn Off LD2 */ - STM_EVAL_LEDOff(LED2); - } - - 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 ------------------------------------------------*/ - /* Enable DMA1 or/and DMA2 clock */ - RCC_AHBPeriphClockCmd(SPI_MASTER_DMA_CLK | SPI_SLAVE_DMA_CLK, ENABLE); - -#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 */ - 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_MASTER pins: MISO */ - GPIO_InitStructure.GPIO_Pin = SPI_MASTER_PIN_MISO; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; - GPIO_Init(SPI_MASTER_GPIO, &GPIO_InitStructure); - - /* Configure SPI_SLAVE pins: SCK and MOSI */ - GPIO_InitStructure.GPIO_Pin = SPI_SLAVE_PIN_SCK | SPI_SLAVE_PIN_MOSI; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; - GPIO_Init(SPI_SLAVE_GPIO, &GPIO_InitStructure); - /* Configure SPI_SLAVE pins: MISO */ - GPIO_InitStructure.GPIO_Pin = SPI_SLAVE_PIN_MISO ; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; - GPIO_Init(SPI_SLAVE_GPIO, &GPIO_InitStructure); -} - -/** - * @brief Compares two buffers. - * @param pBuffer, pBuffer1: buffers to be compared. - * @param BufferLength: buffer's length - * @retval PASSED: pBuffer identical to pBuffer1 - * FAILED: pBuffer differs from pBuffer1 - */ -TestStatus Buffercmp(uint8_t* pBuffer, uint8_t* pBuffer1, uint16_t BufferLength) -{ - while(BufferLength--) - { - if(*pBuffer != *pBuffer1) - { - return FAILED; - } - - pBuffer++; - pBuffer1++; - } - - 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****/ |