From afbb4cc73c44b6321cae39dbe46b97155805097d Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Sun, 13 Dec 2015 21:03:11 +0100 Subject: wip --- .../SPI/SPI_FLASH/main.c | 189 +++++++++++++++++++++ 1 file changed, 189 insertions(+) create mode 100644 tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/SPI_FLASH/main.c (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/SPI_FLASH/main.c') diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/SPI_FLASH/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/SPI_FLASH/main.c new file mode 100644 index 0000000..f2a0a05 --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/SPI_FLASH/main.c @@ -0,0 +1,189 @@ +/** + ****************************************************************************** + * @file SPI/SPI_FLASH/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. + * + *

© COPYRIGHT 2011 STMicroelectronics

+ ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32_eval.h" +#include "stm32_eval_spi_flash.h" + +/** @addtogroup STM32F10x_StdPeriph_Examples + * @{ + */ + +/** @addtogroup SPI_FLASH + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus; + +/* Private define ------------------------------------------------------------*/ +#define FLASH_WriteAddress 0x700000 +#define FLASH_ReadAddress FLASH_WriteAddress +#define FLASH_SectorToErase FLASH_WriteAddress + +#if defined(USE_STM32100B_EVAL) || defined(USE_STM32100E_EVAL) + #define sFLASH_ID sFLASH_M25P128_ID +#else + #define sFLASH_ID sFLASH_M25P64_ID +#endif + +#define BufferSize (countof(Tx_Buffer)-1) + +/* Private macro -------------------------------------------------------------*/ +#define countof(a) (sizeof(a) / sizeof(*(a))) + +/* Private variables ---------------------------------------------------------*/ +uint8_t Tx_Buffer[] = "STM32F10x SPI Firmware Library Example: communication with an M25P SPI FLASH"; +uint8_t Rx_Buffer[BufferSize]; +__IO uint8_t Index = 0x0; +volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = PASSED; +__IO uint32_t FlashID = 0; + +/* Private functions ---------------------------------------------------------*/ +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 + */ + + /* Initialize Leds mounted on STM3210X-EVAL board */ + STM_EVAL_LEDInit(LED1); + STM_EVAL_LEDInit(LED2); + + /* Initialize the SPI FLASH driver */ + sFLASH_Init(); + + /* Get SPI Flash ID */ + FlashID = sFLASH_ReadID(); + + /* Check the SPI Flash ID */ + if (FlashID == sFLASH_ID) + { + /* OK: Turn on LD1 */ + STM_EVAL_LEDOn(LED1); + + /* Perform a write in the Flash followed by a read of the written data */ + /* Erase SPI FLASH Sector to write on */ + sFLASH_EraseSector(FLASH_SectorToErase); + + /* Write Tx_Buffer data to SPI FLASH memory */ + sFLASH_WriteBuffer(Tx_Buffer, FLASH_WriteAddress, BufferSize); + + /* Read data from SPI FLASH memory */ + sFLASH_ReadBuffer(Rx_Buffer, FLASH_ReadAddress, BufferSize); + + /* Check the correctness of written dada */ + TransferStatus1 = Buffercmp(Tx_Buffer, Rx_Buffer, BufferSize); + /* TransferStatus1 = PASSED, if the transmitted and received data by SPI1 + are the same */ + /* TransferStatus1 = FAILED, if the transmitted and received data by SPI1 + are different */ + + /* Perform an erase in the Flash followed by a read of the written data */ + /* Erase SPI FLASH Sector to write on */ + sFLASH_EraseSector(FLASH_SectorToErase); + + /* Read data from SPI FLASH memory */ + sFLASH_ReadBuffer(Rx_Buffer, FLASH_ReadAddress, BufferSize); + + /* Check the correctness of erasing operation dada */ + for (Index = 0; Index < BufferSize; Index++) + { + if (Rx_Buffer[Index] != 0xFF) + { + TransferStatus2 = FAILED; + } + } + /* TransferStatus2 = PASSED, if the specified sector part is erased */ + /* TransferStatus2 = FAILED, if the specified sector part is not well erased */ + } + else + { + /* Error: Turn on LD2 */ + STM_EVAL_LEDOn(LED2); + } + + while (1) + {} +} + +/** + * @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****/ -- cgit v1.2.3