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author | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:24:18 +0100 |
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committer | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:29:25 +0100 |
commit | 40e04e3772726829d66c12e69f24b03920d79c67 (patch) | |
tree | 636811bad956798c9d5d22de9e7ba8c799b8d791 /tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/CRC/main.c | |
parent | 2fff65aed2477a503c72629d27e2a330d30c02d1 (diff) | |
download | stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.tar.gz stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.tar.bz2 stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.tar.xz stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.zip |
o Moving tinyprintf and stm libraries under thirdparty.
Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/CRC/main.c')
-rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/CRC/main.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/CRC/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/CRC/main.c deleted file mode 100644 index ef642cd..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/CRC/main.c +++ /dev/null @@ -1,291 +0,0 @@ -/** - ****************************************************************************** - * @file SPI/CRC/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" - -/** @addtogroup STM32F10x_StdPeriph_Examples - * @{ - */ - -/** @addtogroup SPI_CRC - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus; - -/* Private define ------------------------------------------------------------*/ -#define BufferSize 32 - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -SPI_InitTypeDef SPI_InitStructure; -uint16_t SPI1_Buffer_Tx[BufferSize] = {0x0102, 0x0304, 0x0506, 0x0708, 0x090A, 0x0B0C, - 0x0D0E, 0x0F10, 0x1112, 0x1314, 0x1516, 0x1718, - 0x191A, 0x1B1C, 0x1D1E, 0x1F20, 0x2122, 0x2324, - 0x2526, 0x2728, 0x292A, 0x2B2C, 0x2D2E, 0x2F30, - 0x3132, 0x3334, 0x3536, 0x3738, 0x393A, 0x3B3C, - 0x3D3E, 0x3F40}; -uint16_t SPI2_Buffer_Tx[BufferSize] = {0x5152, 0x5354, 0x5556, 0x5758, 0x595A, 0x5B5C, - 0x5D5E, 0x5F60, 0x6162, 0x6364, 0x6566, 0x6768, - 0x696A, 0x6B6C, 0x6D6E, 0x6F70, 0x7172, 0x7374, - 0x7576, 0x7778, 0x797A, 0x7B7C, 0x7D7E, 0x7F80, - 0x8182, 0x8384, 0x8586, 0x8788, 0x898A, 0x8B8C, - 0x8D8E, 0x8F90}; -uint16_t SPI1_Buffer_Rx[BufferSize], SPI2_Buffer_Rx[BufferSize]; -uint32_t TxIdx = 0, RxIdx = 0; -__IO uint16_t CRC1Value = 0, CRC2Value = 0; -volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = FAILED; - -/* Private functions ---------------------------------------------------------*/ -void RCC_Configuration(void); -void GPIO_Configuration(void); -TestStatus Buffercmp(uint16_t* pBuffer1, uint16_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(); - - /* GPIO configuration ------------------------------------------------------*/ - GPIO_Configuration(); - - /* SPI1 configuration ------------------------------------------------------*/ - SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; - SPI_InitStructure.SPI_Mode = SPI_Mode_Master; - SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b; - 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 = 7; - SPI_Init(SPI1, &SPI_InitStructure); - - /* SPI2 configuration ------------------------------------------------------*/ - SPI_InitStructure.SPI_Mode = SPI_Mode_Slave; - SPI_Init(SPI2, &SPI_InitStructure); - - /* Enable SPI1 CRC calculation */ - SPI_CalculateCRC(SPI1, ENABLE); - /* Enable SPI2 CRC calculation */ - SPI_CalculateCRC(SPI2, ENABLE); - - /* Enable SPI1 */ - SPI_Cmd(SPI1, ENABLE); - /* Enable SPI2 */ - SPI_Cmd(SPI2, ENABLE); - - /* Transfer procedure */ - while (TxIdx < BufferSize - 1) - { - /* Wait for SPI1 Tx buffer empty */ - while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET); - /* Send SPI2 data */ - SPI_I2S_SendData(SPI2, SPI2_Buffer_Tx[TxIdx]); - /* Send SPI1 data */ - SPI_I2S_SendData(SPI1, SPI1_Buffer_Tx[TxIdx++]); - /* Wait for SPI2 data reception */ - while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET); - /* Read SPI2 received data */ - SPI2_Buffer_Rx[RxIdx] = SPI_I2S_ReceiveData(SPI2); - /* Wait for SPI1 data reception */ - while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET); - /* Read SPI1 received data */ - SPI1_Buffer_Rx[RxIdx++] = SPI_I2S_ReceiveData(SPI1); - } - - /* Wait for SPI1 Tx buffer empty */ - while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET); - /* Wait for SPI2 Tx buffer empty */ - while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_TXE) == RESET); - - /* Send last SPI2_Buffer_Tx data */ - SPI_I2S_SendData(SPI2, SPI2_Buffer_Tx[TxIdx]); - /* Enable SPI2 CRC transmission */ - SPI_TransmitCRC(SPI2); - /* Send last SPI1_Buffer_Tx data */ - SPI_I2S_SendData(SPI1, SPI1_Buffer_Tx[TxIdx]); - /* Enable SPI1 CRC transmission */ - SPI_TransmitCRC(SPI1); - - /* Wait for SPI1 last data reception */ - while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET); - /* Read SPI1 last received data */ - SPI1_Buffer_Rx[RxIdx] = SPI_I2S_ReceiveData(SPI1); - - /* Wait for SPI2 last data reception */ - while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET); - /* Read SPI2 last received data */ - SPI2_Buffer_Rx[RxIdx] = SPI_I2S_ReceiveData(SPI2); - - /* Wait for SPI1 data reception: CRC transmitted by SPI2 */ - while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET); - /* Wait for SPI2 data reception: CRC transmitted by SPI1 */ - while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET); - - /* Check the received data with the send ones */ - TransferStatus1 = Buffercmp(SPI2_Buffer_Rx, SPI1_Buffer_Tx, BufferSize); - TransferStatus2 = Buffercmp(SPI1_Buffer_Rx, SPI2_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 SPI1 CRC Error flag */ - if ((SPI_I2S_GetFlagStatus(SPI1, SPI_FLAG_CRCERR)) == SET) - { - TransferStatus2 = FAILED; - } - - /* Test on the SPI2 CRC Error flag */ - if ((SPI_I2S_GetFlagStatus(SPI2, SPI_FLAG_CRCERR)) == SET) - { - TransferStatus1 = FAILED; - } - - /* Read SPI1 received CRC value */ - CRC1Value = SPI_I2S_ReceiveData(SPI1); - /* Read SPI2 received CRC value */ - CRC2Value = SPI_I2S_ReceiveData(SPI2); - - 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 --------------------------------------------------*/ - /* GPIOA, GPIOB and SPI1 clock enable */ - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | - RCC_APB2Periph_SPI1, ENABLE); - - /* SPI2 Periph clock enable */ - RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE); -} - -/** - * @brief Configures the different GPIO ports. - * @param None - * @retval None - */ -void GPIO_Configuration(void) -{ - GPIO_InitTypeDef GPIO_InitStructure; - - /* Configure SPI1 pins: SCK, MISO and MOSI ---------------------------------*/ - /* Confugure SCK and MOSI pins as Alternate Function Push Pull */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_7; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; - GPIO_Init(GPIOA, &GPIO_InitStructure); - /* Confugure MISO pin as Input Floating */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; - GPIO_Init(GPIOA, &GPIO_InitStructure); - - /* Configure SPI2 pins: SCK, MISO and MOSI ---------------------------------*/ - /* Confugure SCK and MOSI pins as Input Floating */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_15; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; - GPIO_Init(GPIOB, &GPIO_InitStructure); - /* Confugure MISO pin as Alternate Function Push Pull */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; - GPIO_Init(GPIOB, &GPIO_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(uint16_t* pBuffer1, uint16_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****/ |