Kenji Arai / Mbed OS DISCO-F769NI_BD_SD_Card_Control

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 Roy Krikke

Please refer following my Notebook page.
/users/kenjiArai/notebook/sd-card-control-new/#

main.cpp@6:3c8b8e3cc0f8, 2019-12-27 (annotated)

Committer:
kenjiArai
Date:
Fri Dec 27 02:56:15 2019 +0000
Revision:
6:3c8b8e3cc0f8
Parent:
5:a7cb31d96583
Child:
7:e7767b779c8c
updated main() & gave up os update because error is happened frequently

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 4:0f7797c2d3fe 1 /*
kenjiArai 4:0f7797c2d3fe 2 * Mbed Application program
kenjiArai 4:0f7797c2d3fe 3 * SD Card file control function with FatFs on Mbed-os5
roykrikke 3:7f991a3d4e71 4 *
kenjiArai 5:a7cb31d96583 5 * Copyright (c) 2018,'19 Kenji Arai / JH1PJL
kenjiArai 4:0f7797c2d3fe 6 * http://www.page.sannet.ne.jp/kenjia/index.html
kenjiArai 4:0f7797c2d3fe 7 * https://os.mbed.com/users/kenjiArai/
kenjiArai 4:0f7797c2d3fe 8 * Created: April 7th, 2018
kenjiArai 6:3c8b8e3cc0f8 9 * Revised: December 27th, 2019
roykrikke 1:ffacc9d0b308 10 */
roykrikke 1:ffacc9d0b308 11
kenjiArai 4:0f7797c2d3fe 12 // Include --------------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 13 #include "mbed.h"
kenjiArai 4:0f7797c2d3fe 14 #include "FATFileSystem.h"
kenjiArai 4:0f7797c2d3fe 15 #include "SDBlockDeviceDISCOF769NI.h"
kenjiArai 4:0f7797c2d3fe 16 #include "mon.h"
kenjiArai 4:0f7797c2d3fe 17 #include <stdlib.h>
kenjiArai 4:0f7797c2d3fe 18 #include <stdio.h>
kenjiArai 4:0f7797c2d3fe 19 #include <errno.h>
kenjiArai 5:a7cb31d96583 20 #include "check_revision.h"
roykrikke 0:4cdf28a602a8 21
kenjiArai 4:0f7797c2d3fe 22 // Definition -----------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 23 #define USER_SW_ON 1
roykrikke 0:4cdf28a602a8 24
kenjiArai 4:0f7797c2d3fe 25 // Constructor ----------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 26 DigitalOut led(LED1);
kenjiArai 4:0f7797c2d3fe 27 DigitalIn user_sw(USER_BUTTON);
kenjiArai 4:0f7797c2d3fe 28 Serial pc(USBTX, USBRX, 115200);
kenjiArai 4:0f7797c2d3fe 29 // Instantiate the Block Device for sd card on DISCO-F769NI
kenjiArai 4:0f7797c2d3fe 30 SDBlockDeviceDISCOF769NI bd;
kenjiArai 4:0f7797c2d3fe 31 FATFileSystem fs("fs");
roykrikke 2:993735af824b 32
kenjiArai 4:0f7797c2d3fe 33 // RAM ------------------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 34
kenjiArai 4:0f7797c2d3fe 35 // ROM / Constant data --------------------------------------------------------
kenjiArai 5:a7cb31d96583 36 const char *opening_msg0 = "microSD Card test program";
kenjiArai 5:a7cb31d96583 37 const char *opening_msg1 = " -> run on Mbed OS-5\r\n";
roykrikke 2:993735af824b 38
kenjiArai 4:0f7797c2d3fe 39 // Function prototypes --------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 40 void return_error (int ret_val);
kenjiArai 4:0f7797c2d3fe 41 void errno_error (void* ret_val);
roykrikke 0:4cdf28a602a8 42
kenjiArai 4:0f7797c2d3fe 43 //------------------------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 44 // Control Program
kenjiArai 4:0f7797c2d3fe 45 //------------------------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 46 int main()
roykrikke 3:7f991a3d4e71 47 {
kenjiArai 4:0f7797c2d3fe 48 time_t seconds;
kenjiArai 4:0f7797c2d3fe 49 uint32_t data0 = 10000U;
kenjiArai 4:0f7797c2d3fe 50 uint32_t data1 = 20000U;
kenjiArai 4:0f7797c2d3fe 51 uint32_t data2 = 30000U;
kenjiArai 4:0f7797c2d3fe 52 uint32_t data3 = 40000U;
kenjiArai 4:0f7797c2d3fe 53 uint32_t data4 = 50000U;
kenjiArai 4:0f7797c2d3fe 54 uint32_t data5 = 60000U;
roykrikke 0:4cdf28a602a8 55
kenjiArai 4:0f7797c2d3fe 56 pc.printf("\r\nStart\r\n");
roykrikke 3:7f991a3d4e71 57 int error = 0;
kenjiArai 4:0f7797c2d3fe 58 pc.printf("Welcome to the filesystem example.\r\n");
kenjiArai 4:0f7797c2d3fe 59 pc.printf("Mounting the filesystem on \"/fs\". \r\n");
roykrikke 3:7f991a3d4e71 60 error = fs.mount(&bd);
roykrikke 3:7f991a3d4e71 61 return_error(error);
roykrikke 2:993735af824b 62
kenjiArai 4:0f7797c2d3fe 63 FILE* fp = fopen("/fs/mydata.txt", "a");
kenjiArai 4:0f7797c2d3fe 64 errno_error(fp);
kenjiArai 4:0f7797c2d3fe 65 if (fp != 0) {
kenjiArai 4:0f7797c2d3fe 66 pc.printf("%s%s", opening_msg0, opening_msg1);
kenjiArai 4:0f7797c2d3fe 67 fprintf(fp,"%s%s", opening_msg0, opening_msg1);
kenjiArai 5:a7cb31d96583 68 pc.printf("File: mydata.txt\r\n");
kenjiArai 6:3c8b8e3cc0f8 69 fclose(fp);
kenjiArai 4:0f7797c2d3fe 70 } else {
kenjiArai 4:0f7797c2d3fe 71 pc.printf("ERROR\r\n");
roykrikke 3:7f991a3d4e71 72 }
kenjiArai 4:0f7797c2d3fe 73 while (pc.readable()) {
kenjiArai 4:0f7797c2d3fe 74 char c = pc.getc(); // dummy read
roykrikke 3:7f991a3d4e71 75 }
kenjiArai 4:0f7797c2d3fe 76 while (true) {
kenjiArai 4:0f7797c2d3fe 77 uint32_t size = get_disk_freespace();
kenjiArai 4:0f7797c2d3fe 78 pc.printf("free %u ", size);
kenjiArai 4:0f7797c2d3fe 79 fp = fopen("/fs/mydata.txt", "a");
kenjiArai 4:0f7797c2d3fe 80 /*if (size <= DISK_SIZE_LIMIT) {
kenjiArai 4:0f7797c2d3fe 81 pc.printf("Reached RAM Disk size limitation!!\r\n");
kenjiArai 4:0f7797c2d3fe 82 break;
kenjiArai 4:0f7797c2d3fe 83 }*/
kenjiArai 4:0f7797c2d3fe 84 if(fp != 0) {
kenjiArai 4:0f7797c2d3fe 85 char tmp[64];
kenjiArai 4:0f7797c2d3fe 86 seconds = time(NULL);
kenjiArai 4:0f7797c2d3fe 87 strftime(tmp, 64, "DATE %H:%M:%S,%Y/%m/%d,", localtime(&seconds));
kenjiArai 5:a7cb31d96583 88 pc.printf("%s", tmp);
kenjiArai 4:0f7797c2d3fe 89 fprintf(fp, "%s", tmp);
kenjiArai 4:0f7797c2d3fe 90 pc.printf("%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 4:0f7797c2d3fe 91 ++data0, ++data1, ++data2, ++data3, ++data4, ++data5);
kenjiArai 4:0f7797c2d3fe 92 fprintf(fp, "%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 4:0f7797c2d3fe 93 data0, data1, data2, data3, data4, data5);
kenjiArai 6:3c8b8e3cc0f8 94 fclose(fp);
kenjiArai 4:0f7797c2d3fe 95 } else {
kenjiArai 4:0f7797c2d3fe 96 pc.printf("ERROR\r\n");
kenjiArai 4:0f7797c2d3fe 97 }
kenjiArai 5:a7cb31d96583 98 ThisThread::sleep_for(100);
kenjiArai 4:0f7797c2d3fe 99 if (user_sw == USER_SW_ON) {
kenjiArai 4:0f7797c2d3fe 100 break;
kenjiArai 4:0f7797c2d3fe 101 }
kenjiArai 4:0f7797c2d3fe 102 if (pc.readable()) {
kenjiArai 4:0f7797c2d3fe 103 mon();
kenjiArai 4:0f7797c2d3fe 104 }
kenjiArai 4:0f7797c2d3fe 105 led = !led;
roykrikke 3:7f991a3d4e71 106 }
roykrikke 3:7f991a3d4e71 107 while(true) {
kenjiArai 4:0f7797c2d3fe 108 mon();
kenjiArai 6:3c8b8e3cc0f8 109 system_reset();
roykrikke 3:7f991a3d4e71 110 }
roykrikke 0:4cdf28a602a8 111 }
kenjiArai 4:0f7797c2d3fe 112
kenjiArai 4:0f7797c2d3fe 113 void return_error (int ret_val)
kenjiArai 4:0f7797c2d3fe 114 {
kenjiArai 4:0f7797c2d3fe 115 if (ret_val) {
kenjiArai 4:0f7797c2d3fe 116 pc.printf("retrun error/Failure. %d\r\n", ret_val);
kenjiArai 4:0f7797c2d3fe 117 }
kenjiArai 4:0f7797c2d3fe 118 }
kenjiArai 4:0f7797c2d3fe 119
kenjiArai 4:0f7797c2d3fe 120 void errno_error (void* ret_val)
kenjiArai 4:0f7797c2d3fe 121 {
kenjiArai 4:0f7797c2d3fe 122 if (ret_val == NULL) {
kenjiArai 4:0f7797c2d3fe 123 pc.printf("error #/Failure. %d \r\n", errno);
kenjiArai 4:0f7797c2d3fe 124 }
kenjiArai 4:0f7797c2d3fe 125 }