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+/**
+ ******************************************************************************
+ * @file SDIO/uSDCard/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 "stm32f10x.h"
+#include "stm32_eval_sdio_sd.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+ * @{
+ */
+
+/** @addtogroup SDIO_uSDCard
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
+
+/* Private define ------------------------------------------------------------*/
+#define BLOCK_SIZE 512 /* Block Size in Bytes */
+
+#define NUMBER_OF_BLOCKS 32 /* For Multi Blocks operation (Read/Write) */
+#define MULTI_BUFFER_SIZE (BLOCK_SIZE * NUMBER_OF_BLOCKS)
+
+#define SD_OPERATION_ERASE 0
+#define SD_OPERATION_BLOCK 1
+#define SD_OPERATION_MULTI_BLOCK 2
+#define SD_OPERATION_END 3
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+uint8_t Buffer_Block_Tx[BLOCK_SIZE], Buffer_Block_Rx[BLOCK_SIZE];
+uint8_t Buffer_MultiBlock_Tx[MULTI_BUFFER_SIZE], Buffer_MultiBlock_Rx[MULTI_BUFFER_SIZE];
+volatile TestStatus EraseStatus = FAILED, TransferStatus1 = FAILED, TransferStatus2 = FAILED;
+SD_Error Status = SD_OK;
+__IO uint32_t SDCardOperation = SD_OPERATION_ERASE;
+
+/* Private function prototypes -----------------------------------------------*/
+void NVIC_Configuration(void);
+void SD_EraseTest(void);
+void SD_SingleBlockTest(void);
+void SD_MultiBlockTest(void);
+void Fill_Buffer(uint8_t *pBuffer, uint32_t BufferLength, uint32_t Offset);
+TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint32_t BufferLength);
+TestStatus eBuffercmp(uint8_t* pBuffer, uint32_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
+ */
+
+ /* Initialize LEDs available on STM3210X-EVAL board *************************/
+ STM_EVAL_LEDInit(LED1);
+ STM_EVAL_LEDInit(LED2);
+ STM_EVAL_LEDInit(LED3);
+ STM_EVAL_LEDInit(LED4);
+
+ /* Interrupt Config */
+ NVIC_Configuration();
+
+ /*------------------------------ SD Init ---------------------------------- */
+ if((Status = SD_Init()) != SD_OK)
+ {
+ STM_EVAL_LEDOn(LED4);
+ }
+
+ while((Status == SD_OK) && (SDCardOperation != SD_OPERATION_END) && (SD_Detect()== SD_PRESENT))
+ {
+ switch(SDCardOperation)
+ {
+ /*-------------------------- SD Erase Test ---------------------------- */
+ case (SD_OPERATION_ERASE):
+ {
+ SD_EraseTest();
+ SDCardOperation = SD_OPERATION_BLOCK;
+ break;
+ }
+ /*-------------------------- SD Single Block Test --------------------- */
+ case (SD_OPERATION_BLOCK):
+ {
+ SD_SingleBlockTest();
+ SDCardOperation = SD_OPERATION_MULTI_BLOCK;
+ break;
+ }
+ /*-------------------------- SD Multi Blocks Test --------------------- */
+ case (SD_OPERATION_MULTI_BLOCK):
+ {
+ SD_MultiBlockTest();
+ SDCardOperation = SD_OPERATION_END;
+ break;
+ }
+ }
+ }
+
+ /* Infinite loop */
+ while (1)
+ {}
+}
+
+/**
+ * @brief Configures SDIO IRQ channel.
+ * @param None
+ * @retval None
+ */
+void NVIC_Configuration(void)
+{
+ NVIC_InitTypeDef NVIC_InitStructure;
+
+ /* Configure the NVIC Preemption Priority Bits */
+ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
+
+ NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+ NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+ NVIC_Init(&NVIC_InitStructure);
+}
+
+/**
+ * @brief Tests the SD card erase operation.
+ * @param None
+ * @retval None
+ */
+void SD_EraseTest(void)
+{
+ /*------------------- Block Erase ------------------------------------------*/
+ if (Status == SD_OK)
+ {
+ /* Erase NumberOfBlocks Blocks of WRITE_BL_LEN(512 Bytes) */
+ Status = SD_Erase(0x00, (BLOCK_SIZE * NUMBER_OF_BLOCKS));
+ }
+
+ if (Status == SD_OK)
+ {
+ Status = SD_ReadMultiBlocks(Buffer_MultiBlock_Rx, 0x00, BLOCK_SIZE, NUMBER_OF_BLOCKS);
+
+ /* Check if the Transfer is finished */
+ Status = SD_WaitReadOperation();
+
+ /* Wait until end of DMA transfer */
+ while(SD_GetStatus() != SD_TRANSFER_OK);
+ }
+
+ /* Check the correctness of erased blocks */
+ if (Status == SD_OK)
+ {
+ EraseStatus = eBuffercmp(Buffer_MultiBlock_Rx, MULTI_BUFFER_SIZE);
+ }
+
+ if(EraseStatus == PASSED)
+ {
+ STM_EVAL_LEDOn(LED1);
+ }
+ else
+ {
+ STM_EVAL_LEDOff(LED1);
+ STM_EVAL_LEDOn(LED4);
+ }
+}
+
+/**
+ * @brief Tests the SD card Single Blocks operations.
+ * @param None
+ * @retval None
+ */
+void SD_SingleBlockTest(void)
+{
+ /*------------------- Block Read/Write --------------------------*/
+ /* Fill the buffer to send */
+ Fill_Buffer(Buffer_Block_Tx, BLOCK_SIZE, 0x320F);
+
+ if (Status == SD_OK)
+ {
+ /* Write block of 512 bytes on address 0 */
+ Status = SD_WriteBlock(Buffer_Block_Tx, 0x00, BLOCK_SIZE);
+ /* Check if the Transfer is finished */
+ Status = SD_WaitWriteOperation();
+ while(SD_GetStatus() != SD_TRANSFER_OK);
+ }
+
+ if (Status == SD_OK)
+ {
+ /* Read block of 512 bytes from address 0 */
+ Status = SD_ReadBlock(Buffer_Block_Rx, 0x00, BLOCK_SIZE);
+ /* Check if the Transfer is finished */
+ Status = SD_WaitReadOperation();
+ while(SD_GetStatus() != SD_TRANSFER_OK);
+ }
+
+ /* Check the correctness of written data */
+ if (Status == SD_OK)
+ {
+ TransferStatus1 = Buffercmp(Buffer_Block_Tx, Buffer_Block_Rx, BLOCK_SIZE);
+ }
+
+ if(TransferStatus1 == PASSED)
+ {
+ STM_EVAL_LEDOn(LED2);
+ }
+ else
+ {
+ STM_EVAL_LEDOff(LED2);
+ STM_EVAL_LEDOn(LED4);
+ }
+}
+
+/**
+ * @brief Tests the SD card Multiple Blocks operations.
+ * @param None
+ * @retval None
+ */
+void SD_MultiBlockTest(void)
+{
+ /*--------------- Multiple Block Read/Write ---------------------*/
+ /* Fill the buffer to send */
+ Fill_Buffer(Buffer_MultiBlock_Tx, MULTI_BUFFER_SIZE, 0x0);
+
+ if (Status == SD_OK)
+ {
+ /* Write multiple block of many bytes on address 0 */
+ Status = SD_WriteMultiBlocks(Buffer_MultiBlock_Tx, 0x00, BLOCK_SIZE, NUMBER_OF_BLOCKS);
+ /* Check if the Transfer is finished */
+ Status = SD_WaitWriteOperation();
+ while(SD_GetStatus() != SD_TRANSFER_OK);
+ }
+
+ if (Status == SD_OK)
+ {
+ /* Read block of many bytes from address 0 */
+ Status = SD_ReadMultiBlocks(Buffer_MultiBlock_Rx, 0x00, BLOCK_SIZE, NUMBER_OF_BLOCKS);
+ /* Check if the Transfer is finished */
+ Status = SD_WaitReadOperation();
+ while(SD_GetStatus() != SD_TRANSFER_OK);
+ }
+
+ /* Check the correctness of written data */
+ if (Status == SD_OK)
+ {
+ TransferStatus2 = Buffercmp(Buffer_MultiBlock_Tx, Buffer_MultiBlock_Rx, MULTI_BUFFER_SIZE);
+ }
+
+ if(TransferStatus2 == PASSED)
+ {
+ STM_EVAL_LEDOn(LED3);
+ }
+ else
+ {
+ STM_EVAL_LEDOff(LED3);
+ STM_EVAL_LEDOn(LED4);
+ }
+}
+
+/**
+ * @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, uint32_t BufferLength)
+{
+ while (BufferLength--)
+ {
+ if (*pBuffer1 != *pBuffer2)
+ {
+ return FAILED;
+ }
+
+ pBuffer1++;
+ pBuffer2++;
+ }
+
+ return PASSED;
+}
+
+/**
+ * @brief Fills buffer with user predefined data.
+ * @param pBuffer: pointer on the Buffer to fill
+ * @param BufferLength: size of the buffer to fill
+ * @param Offset: first value to fill on the Buffer
+ * @retval None
+ */
+void Fill_Buffer(uint8_t *pBuffer, uint32_t BufferLength, uint32_t Offset)
+{
+ uint16_t index = 0;
+
+ /* Put in global buffer same values */
+ for (index = 0; index < BufferLength; index++)
+ {
+ pBuffer[index] = index + Offset;
+ }
+}
+
+/**
+ * @brief Checks if a buffer has all its values are equal to zero.
+ * @param pBuffer: buffer to be compared.
+ * @param BufferLength: buffer's length
+ * @retval PASSED: pBuffer values are zero
+ * FAILED: At least one value from pBuffer buffer is different from zero.
+ */
+TestStatus eBuffercmp(uint8_t* pBuffer, uint32_t BufferLength)
+{
+ while (BufferLength--)
+ {
+ /* In some SD Cards the erased state is 0xFF, in others it's 0x00 */
+ if ((*pBuffer != 0xFF) && (*pBuffer != 0x00))
+ {
+ return FAILED;
+ }
+
+ pBuffer++;
+ }
+
+ 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****/
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