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+/**
+ ******************************************************************************
+ * @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.
+ *
+ * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+ ******************************************************************************
+ */
+
+/* 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****/