SPKT
Dependencies: SD-DISCO_F746NG BSP-DISCO_F746NG
main.cpp
- Committer:
- nhancap98
- Date:
- 2019-06-10
- Revision:
- 2:be193c13212b
- Parent:
- 0:6f972a6c6770
File content as of revision 2:be193c13212b:
#include "mbed.h" #include "SD_DISCO_F746NG.h" SD_DISCO_F746NG sd; Serial pc(USBTX, USBRX); #define BLOCK_START_ADDR 0 /* Block start address */ #define NUM_OF_BLOCKS 5 /* Total number of blocks */ #define BUFFER_WORDS_SIZE ((BLOCKSIZE * NUM_OF_BLOCKS) >> 2) /* Total data size in bytes */ uint32_t aTxBuffer[BUFFER_WORDS_SIZE]; uint32_t aRxBuffer[BUFFER_WORDS_SIZE]; /* Private function prototypes -----------------------------------------------*/ void SD_main_test(void); void SD_Detection(void); static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLenght, uint32_t uwOffset); static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength); int main() { uint8_t SD_state = MSD_OK; pc.printf("\n\nuSD start:\n\r"); SD_state = sd.Init(); if(SD_state != MSD_OK){ if(SD_state == MSD_ERROR_SD_NOT_PRESENT){ pc.printf("xin gan the SD truoc khi test\n\r"); } else { pc.printf("Khoi tao the SD: FAIL.\n\r"); } pc.printf("Kiem tra the SD bi huy bo.\n\r"); } else { pc.printf("Khoi tao the SD: OK.\n\r"); SD_state = sd.Erase(BLOCK_START_ADDR, (BLOCK_START_ADDR + NUM_OF_BLOCKS - 1)); /* Ð?i cho d?n khi th? SD s?n sàng */ while(sd.GetCardState() != SD_TRANSFER_OK){ } if (SD_state != MSD_OK){ pc.printf("Xoa the SD: FAILED.\n\r"); pc.printf("Kiem tra the SD bi huy bo.\n\r"); } else { pc.printf("Xoa the SD: OK.\n\r"); /* Ghi vào b? d?m */ Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x2300); SD_state = sd.WriteBlocks(aTxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, 10000); /* Ð?i cho d?n khi th? SD s?n sàng */ while(sd.GetCardState() != SD_TRANSFER_OK){ } if (SD_state != MSD_OK){ pc.printf("Ghi du lieu len the SD: FAILED.\n\r"); pc.printf("Kiem tra the SD bi huy bo.\n\r"); } else { pc.printf("Ghi du lieu len the SD: OK.\n\r"); SD_state = sd.ReadBlocks(aRxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, 10000); /*Ð?i cho d?n khi th? SD s?n sàng */ while(sd.GetCardState() != SD_TRANSFER_OK){ } if (SD_state != MSD_OK){ pc.printf("Doc the SD: FAILED.\n\r"); pc.printf("Kiem tra the SD bi huy bo.\n\r"); } else { pc.printf("Doc the SD: OK.\n\r"); if(Buffercmp(aTxBuffer, aRxBuffer, BUFFER_WORDS_SIZE) > 0){ pc.printf("So sanh the SD: FAILED.\n\r"); pc.printf("Kiem tra the SD bi huy bo.\n\r"); } else { pc.printf("Kiem tra the SD: OK.\n\r"); pc.printf("Co the go bo the SD.\n\r"); } } } } } while (1) { } } /** * @brief Ði?n vào b? d?m v?i d? li?u du?c xác d?nh tru?c c?a ngu?i dùng * @param pBuffer: con tr? trên b? d?m d? di?n * @param uwBufferLenght: kích thu?c c?a b? d?m d? di?n * @param uwOffset: giá tr? d?u tiên d? di?n vào b? d?m * @retval None */ static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset) { uint32_t tmpIndex = 0; /* Put in global buffer different values */ for (tmpIndex = 0; tmpIndex < uwBufferLength; tmpIndex++ ) { pBuffer[tmpIndex] = tmpIndex + uwOffset; } } /** * @brief So sánh hai b? d?m * @param pBuffer1, pBuffer2: b? d?m du?c so sánh * @param BufferLength: chi?u dài b? d?m * @retval 1: pBuffer identical to pBuffer1 * 0: pBuffer differs from pBuffer1 */ static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength) { while (BufferLength--) { if (*pBuffer1 != *pBuffer2) { return 1; } pBuffer1++; pBuffer2++; } return 0; }