DIGITEO / Mbed OS DISCO-F469NI_BD_SD_Card_Control

test µSD

Dependencies:   SD_DISCO_F469NI BSP_DISCO_F469NI BD_SD_DISCO_F469NI USBHOST

main.cpp@4:0f7797c2d3fe, 2018-04-07 (annotated)

Committer:
kenjiArai
Date:
Sat Apr 07 02:10:18 2018 +0000
Revision:
4:0f7797c2d3fe
Parent:
3:7f991a3d4e71
Child:
5:5c29a3f6600b
microSD Card control function for DISCO-F769NI based on BD_SD_DISCO_F746NG library by Roy Krikke

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 4:0f7797c2d3fe 5 * Copyright (c) 2018 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 4:0f7797c2d3fe 9 * Revised: April 7th, 2018
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>
roykrikke 0:4cdf28a602a8 20
kenjiArai 4:0f7797c2d3fe 21 // Definition -----------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 22 #define USER_SW_ON 1
roykrikke 0:4cdf28a602a8 23
kenjiArai 4:0f7797c2d3fe 24 // Constructor ----------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 25 DigitalOut led(LED1);
kenjiArai 4:0f7797c2d3fe 26 DigitalIn user_sw(USER_BUTTON);
kenjiArai 4:0f7797c2d3fe 27 Serial pc(USBTX, USBRX, 115200);
kenjiArai 4:0f7797c2d3fe 28 // Instantiate the Block Device for sd card on DISCO-F769NI
kenjiArai 4:0f7797c2d3fe 29 SDBlockDeviceDISCOF769NI bd;
kenjiArai 4:0f7797c2d3fe 30 FATFileSystem fs("fs");
roykrikke 2:993735af824b 31
kenjiArai 4:0f7797c2d3fe 32 // RAM ------------------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 33
kenjiArai 4:0f7797c2d3fe 34 // ROM / Constant data --------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 35 char *const opening_msg0 = "microSD Card test program";
kenjiArai 4:0f7797c2d3fe 36 char *const opening_msg1 = " -> run on Mbed OS-5\r\n";
roykrikke 2:993735af824b 37
kenjiArai 4:0f7797c2d3fe 38 // Function prototypes --------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 39 void return_error (int ret_val);
kenjiArai 4:0f7797c2d3fe 40 void errno_error (void* ret_val);
roykrikke 0:4cdf28a602a8 41
kenjiArai 4:0f7797c2d3fe 42 //------------------------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 43 // Control Program
kenjiArai 4:0f7797c2d3fe 44 //------------------------------------------------------------------------------
kenjiArai 4:0f7797c2d3fe 45 int main()
roykrikke 3:7f991a3d4e71 46 {
kenjiArai 4:0f7797c2d3fe 47 time_t seconds;
kenjiArai 4:0f7797c2d3fe 48 uint32_t data0 = 10000U;
kenjiArai 4:0f7797c2d3fe 49 uint32_t data1 = 20000U;
kenjiArai 4:0f7797c2d3fe 50 uint32_t data2 = 30000U;
kenjiArai 4:0f7797c2d3fe 51 uint32_t data3 = 40000U;
kenjiArai 4:0f7797c2d3fe 52 uint32_t data4 = 50000U;
kenjiArai 4:0f7797c2d3fe 53 uint32_t data5 = 60000U;
roykrikke 0:4cdf28a602a8 54
kenjiArai 4:0f7797c2d3fe 55 if (user_sw == USER_SW_ON) {
kenjiArai 4:0f7797c2d3fe 56 mon();
kenjiArai 4:0f7797c2d3fe 57 }
kenjiArai 4:0f7797c2d3fe 58 //pc.printf("line:%d\r\n", __LINE__);
kenjiArai 4:0f7797c2d3fe 59 pc.printf("\r\nStart\r\n");
roykrikke 3:7f991a3d4e71 60 int error = 0;
kenjiArai 4:0f7797c2d3fe 61 pc.printf("Welcome to the filesystem example.\r\n");
kenjiArai 4:0f7797c2d3fe 62 pc.printf("Mounting the filesystem on \"/fs\". \r\n");
roykrikke 3:7f991a3d4e71 63 error = fs.mount(&bd);
roykrikke 3:7f991a3d4e71 64 return_error(error);
roykrikke 2:993735af824b 65
kenjiArai 4:0f7797c2d3fe 66 FILE* fp = fopen("/fs/mydata.txt", "a");
kenjiArai 4:0f7797c2d3fe 67 errno_error(fp);
kenjiArai 4:0f7797c2d3fe 68 if (fp != 0) {
kenjiArai 4:0f7797c2d3fe 69 pc.printf("%s%s", opening_msg0, opening_msg1);
kenjiArai 4:0f7797c2d3fe 70 fprintf(fp,"%s%s", opening_msg0, opening_msg1);
kenjiArai 4:0f7797c2d3fe 71 } else {
kenjiArai 4:0f7797c2d3fe 72 pc.printf("ERROR\r\n");
roykrikke 3:7f991a3d4e71 73 }
kenjiArai 4:0f7797c2d3fe 74 fclose(fp);
kenjiArai 4:0f7797c2d3fe 75 while (pc.readable()) {
kenjiArai 4:0f7797c2d3fe 76 char c = pc.getc(); // dummy read
roykrikke 3:7f991a3d4e71 77 }
kenjiArai 4:0f7797c2d3fe 78 while (true) {
kenjiArai 4:0f7797c2d3fe 79 uint32_t size = get_disk_freespace();
kenjiArai 4:0f7797c2d3fe 80 pc.printf("free %u ", size);
kenjiArai 4:0f7797c2d3fe 81 fp = fopen("/fs/mydata.txt", "a");
kenjiArai 4:0f7797c2d3fe 82 /*if (size <= DISK_SIZE_LIMIT) {
kenjiArai 4:0f7797c2d3fe 83 pc.printf("Reached RAM Disk size limitation!!\r\n");
kenjiArai 4:0f7797c2d3fe 84 break;
kenjiArai 4:0f7797c2d3fe 85 }*/
kenjiArai 4:0f7797c2d3fe 86 if(fp != 0) {
kenjiArai 4:0f7797c2d3fe 87 char tmp[64];
kenjiArai 4:0f7797c2d3fe 88 seconds = time(NULL);
kenjiArai 4:0f7797c2d3fe 89 strftime(tmp, 64, "DATE %H:%M:%S,%Y/%m/%d,", localtime(&seconds));
kenjiArai 4:0f7797c2d3fe 90 pc.printf(tmp);
kenjiArai 4:0f7797c2d3fe 91 fprintf(fp, "%s", tmp);
kenjiArai 4:0f7797c2d3fe 92 pc.printf("%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 4:0f7797c2d3fe 93 ++data0, ++data1, ++data2, ++data3, ++data4, ++data5);
kenjiArai 4:0f7797c2d3fe 94 fprintf(fp, "%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 4:0f7797c2d3fe 95 data0, data1, data2, data3, data4, data5);
kenjiArai 4:0f7797c2d3fe 96 } else {
kenjiArai 4:0f7797c2d3fe 97 pc.printf("ERROR\r\n");
kenjiArai 4:0f7797c2d3fe 98 }
kenjiArai 4:0f7797c2d3fe 99 fclose(fp);
kenjiArai 4:0f7797c2d3fe 100 Thread::wait(100);
kenjiArai 4:0f7797c2d3fe 101 if (user_sw == USER_SW_ON) {
kenjiArai 4:0f7797c2d3fe 102 break;
kenjiArai 4:0f7797c2d3fe 103 }
kenjiArai 4:0f7797c2d3fe 104 if (pc.readable()) {
kenjiArai 4:0f7797c2d3fe 105 mon();
kenjiArai 4:0f7797c2d3fe 106 }
kenjiArai 4:0f7797c2d3fe 107 led = !led;
roykrikke 3:7f991a3d4e71 108 }
roykrikke 3:7f991a3d4e71 109 while(true) {
kenjiArai 4:0f7797c2d3fe 110 mon();
kenjiArai 4:0f7797c2d3fe 111 NVIC_SystemReset();
roykrikke 3:7f991a3d4e71 112 }
roykrikke 0:4cdf28a602a8 113 }
kenjiArai 4:0f7797c2d3fe 114
kenjiArai 4:0f7797c2d3fe 115 void return_error (int ret_val)
kenjiArai 4:0f7797c2d3fe 116 {
kenjiArai 4:0f7797c2d3fe 117 if (ret_val) {
kenjiArai 4:0f7797c2d3fe 118 pc.printf("retrun error/Failure. %d\r\n", ret_val);
kenjiArai 4:0f7797c2d3fe 119 }
kenjiArai 4:0f7797c2d3fe 120 }
kenjiArai 4:0f7797c2d3fe 121
kenjiArai 4:0f7797c2d3fe 122 void errno_error (void* ret_val)
kenjiArai 4:0f7797c2d3fe 123 {
kenjiArai 4:0f7797c2d3fe 124 if (ret_val == NULL) {
kenjiArai 4:0f7797c2d3fe 125 pc.printf("error #/Failure. %d \r\n", errno);
kenjiArai 4:0f7797c2d3fe 126 }
kenjiArai 4:0f7797c2d3fe 127 }