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/#
Diff: main.cpp
- Revision:
- 3:7f991a3d4e71
- Parent:
- 2:993735af824b
- Child:
- 4:0f7797c2d3fe
--- a/main.cpp Sat Mar 24 19:27:59 2018 +0000 +++ b/main.cpp Wed Apr 04 19:49:22 2018 +0000 @@ -1,12 +1,12 @@ /* Example file of using SD/MMC Block device Library for MBED-OS * Copyright 2017 Roy Krikke - * + * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at - * + * * http://www.apache.org/licenses/LICENSE-2.0 - * + * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. @@ -17,96 +17,99 @@ #include "mbed.h" #include "FATFileSystem.h" -#include "BD_SD_DISCO_F746NG.h" +#include "SDBlockDeviceDISCOF746NG.h" #include <stdio.h> #include <errno.h> DigitalOut led (LED1); // Instantiate the Block Device for sd card on DISCO-F746NG -BD_SD_DISCO_F746NG bd; +SDBlockDeviceDISCOF746NG bd; FATFileSystem fs ("fs"); void -return_error (int ret_val) { - if (ret_val) - printf ("Failure. %d\r\n", ret_val); - else - printf ("done.\r\n"); +return_error (int ret_val) +{ + if(ret_val) + printf ("Failure. %d\r\n", ret_val); + else + printf ("done.\r\n"); } void -errno_error (void* ret_val) { - if (ret_val == NULL) - printf (" Failure. %d \r\n", errno); - else - printf (" done.\r\n"); +errno_error (void* ret_val) +{ + if(ret_val == NULL) + printf (" Failure. %d \r\n", errno); + else + printf (" done.\r\n"); } int -main () { - Serial pc (SERIAL_TX, SERIAL_RX); - pc.baud (115200); - printf ("Start\n"); +main () +{ + Serial pc (SERIAL_TX, SERIAL_RX); + pc.baud(115200); + printf("Start\n"); - int error = 0; - printf ("Welcome to the filesystem example.\r\n" - "Formatting a FAT, RAM-backed filesystem. "); - error = FATFileSystem::format (&bd); - return_error (error); + int error = 0; + printf("Welcome to the filesystem example.\r\n" + "Formatting a FAT, RAM-backed filesystem. "); + error = FATFileSystem::format(&bd); + return_error(error); - printf ("Mounting the filesystem on \"/fs\". "); - error = fs.mount (&bd); - return_error (error); + printf("Mounting the filesystem on \"/fs\". "); + error = fs.mount(&bd); + return_error(error); - printf ("Opening a new file, numbers.txt."); - FILE* fd = fopen ("/fs/numbers.txt", "w"); - errno_error (fd); + printf("Opening a new file, numbers.txt."); + FILE* fd = fopen("/fs/numbers.txt", "w"); + errno_error(fd); - for (int i = 0; i < 20; i++) { - printf ("Writing decimal numbers to a file (%d/20)\r", i); - fprintf (fd, "%d\r\n", i); - } - printf ("Writing decimal numbers to a file (20/20) done.\r\n"); + for (int i = 0; i < 20; i++) { + printf("Writing decimal numbers to a file (%d/20)\r", i); + fprintf(fd, "%d\r\n", i); + } + printf("Writing decimal numbers to a file (20/20) done.\r\n"); - printf ("Closing file."); - fclose (fd); - printf (" done.\r\n"); + printf("Closing file."); + fclose(fd); + printf(" done.\r\n"); - printf ("Re-opening file read-only."); - fd = fopen ("/fs/numbers.txt", "r"); - errno_error (fd); + printf("Re-opening file read-only."); + fd = fopen("/fs/numbers.txt", "r"); + errno_error(fd); - printf ("Dumping file to screen.\r\n"); - char buff[16] = { 0 }; - while (!feof (fd)) { - int size = fread (&buff[0], 1, 15, fd); - fwrite (&buff[0], 1, size, stdout); - } - printf ("EOF.\r\n"); + printf("Dumping file to screen.\r\n"); + char buff[16] = { 0 }; + while(!feof (fd)) { + int size = fread(&buff[0], 1, 15, fd); + fwrite(&buff[0], 1, size, stdout); + } + printf("EOF.\r\n"); - printf ("Closing file."); - fclose (fd); - printf (" done.\r\n"); + printf("Closing file."); + fclose(fd); + printf(" done.\r\n"); - printf ("Opening root directory."); - DIR* dir = opendir ("/fs/"); - errno_error (fd); + printf("Opening root directory."); + DIR* dir = opendir("/fs/"); + errno_error(fd); - struct dirent* de; - printf ("Printing all filenames:\r\n"); - while ((de = readdir (dir)) != NULL) { - printf (" %s\r\n", &(de->d_name)[0]); - } + struct dirent* de; + printf("Printing all filenames:\r\n"); + while((de = readdir (dir)) != NULL) { + printf(" %s\r\n", &(de->d_name)[0]); + } - printf ("Closeing root directory. "); - error = closedir (dir); - return_error (error); - printf ("Filesystem Demo complete.\r\n"); + printf("Closeing root directory. "); + error = closedir(dir); + return_error(error); + printf("Filesystem Demo complete.\r\n"); - // Blink led with 2 Hz - while (true) { - led = !led; - wait (0.5); - } + // Blink led with 2 Hz + while(true) { + led = !led; + wait (0.5); + } }