demo
Dependencies: mbed SD_DISCO_F746NG BSP_DISCO_F746NG
Diff: main.cpp
- Revision:
- 3:33086de19b14
- Parent:
- 2:522456118ea2
- Child:
- 4:12fc2f759b2e
--- a/main.cpp Mon Dec 12 13:28:59 2016 +0000 +++ b/main.cpp Fri Jun 09 08:35:40 2017 +0000 @@ -9,7 +9,6 @@ Serial pc(USBTX, USBRX); #define BLOCK_START_ADDR 0 /* Block start address */ -#define BLOCKSIZE 512 /* Block Size in Bytes */ #define NUM_OF_BLOCKS 5 /* Total number of blocks */ #define BUFFER_WORDS_SIZE ((BLOCKSIZE * NUM_OF_BLOCKS) >> 2) /* Total data size in bytes */ @@ -24,12 +23,12 @@ int main() { - uint8_t SD_state = SD_OK; + uint8_t SD_state = MSD_OK; pc.printf("\n\nuSD example start:\n"); led_red = 0; SD_state = sd.Init(); - if(SD_state != SD_OK){ + if(SD_state != MSD_OK){ if(SD_state == MSD_ERROR_SD_NOT_PRESENT){ pc.printf("SD shall be inserted before running test\n"); } else { @@ -39,22 +38,37 @@ } else { pc.printf("SD Initialization : OK.\n"); - if(sd.Erase(BLOCK_START_ADDR, (BLOCKSIZE * NUM_OF_BLOCKS)) != SD_OK){ + SD_state = sd.Erase(BLOCK_START_ADDR, (BLOCK_START_ADDR + NUM_OF_BLOCKS - 1)); + + /* Wait until SD card is ready to use for new operation */ + while(sd.GetCardState() != SD_TRANSFER_OK){ + } + if (SD_state != MSD_OK){ pc.printf("SD ERASE : FAILED.\n"); pc.printf("SD Test Aborted.\n"); } else { pc.printf("SD ERASE : OK.\n"); /* Fill the buffer to write */ - Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x22FF); + Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x2300); - if(sd.WriteBlocks(aTxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS) != SD_OK){ + SD_state = sd.WriteBlocks(aTxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, 10000); + /* Wait until SD card is ready to use for new operation */ + while(sd.GetCardState() != SD_TRANSFER_OK){ + } + + if (SD_state != MSD_OK){ pc.printf("SD WRITE : FAILED.\n"); pc.printf("SD Test Aborted.\n"); } else { pc.printf("SD WRITE : OK.\n"); - if(sd.ReadBlocks(aRxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS)!= SD_OK){ + SD_state = sd.ReadBlocks(aRxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, 10000); + /* Wait until SD card is ready to use for new operation */ + while(sd.GetCardState() != SD_TRANSFER_OK){ + } + + if (SD_state != MSD_OK){ pc.printf("SD READ : FAILED.\n"); pc.printf("SD Test Aborted.\n"); } else {