/**
******************************************************************************
* @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****/