microSD Card control function for DISCO-F769NI based on BD_SD_DISCO_F746NG library by Roy Krikke
Dependencies: BD_SD_DISCO_F769NI BSP_DISCO_F769NI
Fork of DISCO-F746NG_BLOCK_DEVICE_WITH_FAT_FILESYSTEM_ON_SDCARD by
Please refer following my Notebook page.
/users/kenjiArai/notebook/sd-card-control-new/#
main.cpp@0:4cdf28a602a8, 2018-03-24 (annotated)
- Committer:
- roykrikke
- Date:
- Sat Mar 24 19:11:15 2018 +0000
- Revision:
- 0:4cdf28a602a8
- Child:
- 1:ffacc9d0b308
First release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
roykrikke | 0:4cdf28a602a8 | 1 | #include "mbed.h" |
roykrikke | 0:4cdf28a602a8 | 2 | #include "BD_SD_DISCO_F746NG.h" |
roykrikke | 0:4cdf28a602a8 | 3 | |
roykrikke | 0:4cdf28a602a8 | 4 | DigitalOut led (LED1); |
roykrikke | 0:4cdf28a602a8 | 5 | |
roykrikke | 0:4cdf28a602a8 | 6 | // Instantiate the Block Device for sd card on DISCO-F746NG |
roykrikke | 0:4cdf28a602a8 | 7 | BD_SD_DISCO_F746NG bd; |
roykrikke | 0:4cdf28a602a8 | 8 | uint8_t block[512] = "Hello World!\n"; |
roykrikke | 0:4cdf28a602a8 | 9 | |
roykrikke | 0:4cdf28a602a8 | 10 | int |
roykrikke | 0:4cdf28a602a8 | 11 | main () { |
roykrikke | 0:4cdf28a602a8 | 12 | Serial pc (SERIAL_TX, SERIAL_RX); |
roykrikke | 0:4cdf28a602a8 | 13 | pc.baud (115200); |
roykrikke | 0:4cdf28a602a8 | 14 | printf ("Start\n"); |
roykrikke | 0:4cdf28a602a8 | 15 | |
roykrikke | 0:4cdf28a602a8 | 16 | // Call the BD_SD_DISCO_F746NG instance initialisation method. |
roykrikke | 0:4cdf28a602a8 | 17 | printf ("sd card init...\n"); |
roykrikke | 0:4cdf28a602a8 | 18 | if (0 != bd.init ()) { |
roykrikke | 0:4cdf28a602a8 | 19 | printf ("Init failed \n"); |
roykrikke | 0:4cdf28a602a8 | 20 | return -1; |
roykrikke | 0:4cdf28a602a8 | 21 | } |
roykrikke | 0:4cdf28a602a8 | 22 | |
roykrikke | 0:4cdf28a602a8 | 23 | printf ("sd size: %llu\n", bd.size ()); |
roykrikke | 0:4cdf28a602a8 | 24 | printf ("sd read size: %llu\n", bd.get_read_size ()); |
roykrikke | 0:4cdf28a602a8 | 25 | printf ("sd program size: %llu\n", bd.get_program_size ()); |
roykrikke | 0:4cdf28a602a8 | 26 | printf ("sd erase size: %llu\n\n", bd.get_erase_size ()); |
roykrikke | 0:4cdf28a602a8 | 27 | |
roykrikke | 0:4cdf28a602a8 | 28 | printf ("sd erase...\n"); |
roykrikke | 0:4cdf28a602a8 | 29 | if (0 != bd.erase (0, bd.get_erase_size ())) { |
roykrikke | 0:4cdf28a602a8 | 30 | printf ("Error Erasing block \n"); |
roykrikke | 0:4cdf28a602a8 | 31 | } |
roykrikke | 0:4cdf28a602a8 | 32 | |
roykrikke | 0:4cdf28a602a8 | 33 | // Write some the data block to the device |
roykrikke | 0:4cdf28a602a8 | 34 | printf ("sd write: %s\n", block); |
roykrikke | 0:4cdf28a602a8 | 35 | if (0 == bd.program (block, 0, 512)) { |
roykrikke | 0:4cdf28a602a8 | 36 | // read the data block from the device |
roykrikke | 0:4cdf28a602a8 | 37 | printf ("sd read: "); |
roykrikke | 0:4cdf28a602a8 | 38 | if (0 == bd.read (block, 0, 512)) { |
roykrikke | 0:4cdf28a602a8 | 39 | // print the contents of the block |
roykrikke | 0:4cdf28a602a8 | 40 | printf ("%s", block); |
roykrikke | 0:4cdf28a602a8 | 41 | } |
roykrikke | 0:4cdf28a602a8 | 42 | } |
roykrikke | 0:4cdf28a602a8 | 43 | |
roykrikke | 0:4cdf28a602a8 | 44 | // Call the BD_SD_DISCO_F746NG instance de-initialisation method. |
roykrikke | 0:4cdf28a602a8 | 45 | printf ("sd card deinit...\n"); |
roykrikke | 0:4cdf28a602a8 | 46 | if (0 != bd.deinit ()) { |
roykrikke | 0:4cdf28a602a8 | 47 | printf ("Deinit failed \n"); |
roykrikke | 0:4cdf28a602a8 | 48 | return -1; |
roykrikke | 0:4cdf28a602a8 | 49 | } |
roykrikke | 0:4cdf28a602a8 | 50 | |
roykrikke | 0:4cdf28a602a8 | 51 | // Blink led with 2 Hz |
roykrikke | 0:4cdf28a602a8 | 52 | while (true) { |
roykrikke | 0:4cdf28a602a8 | 53 | led = !led; |
roykrikke | 0:4cdf28a602a8 | 54 | wait (0.5); |
roykrikke | 0:4cdf28a602a8 | 55 | } |
roykrikke | 0:4cdf28a602a8 | 56 | } |