Kenji Arai / Mbed OS DISCO-F469NI_BD_SD_Card_Control

microSD Card control function for DISCO-F469NI based on BD_SD_DISCO_F746NG library by Roy Krikke

Dependencies:   BSP_DISCO_F469NI_modified BD_SD_DISCO_F469NI

Fork of DISCO-F769NI_BD_SD_Card_Control by Kenji Arai

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

1_main.cpp@9:b819be925e97, 2019-12-27 (annotated)

Committer:
kenjiArai
Date:
Fri Dec 27 02:59:09 2019 +0000
Revision:
9:b819be925e97
Parent:
8:3c5373ba612a
Child:
10:b5665028f662
updated OS ->os5.15.0 & added file size information + fclose() sequence

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 8:3c5373ba612a 1 /*
kenjiArai 8:3c5373ba612a 2 * Mbed Application program
kenjiArai 8:3c5373ba612a 3 * SD Card file control function with FatFs on Mbed-os5
kenjiArai 8:3c5373ba612a 4 *
kenjiArai 8:3c5373ba612a 5 * Copyright (c) 2018,'19 Kenji Arai / JH1PJL
kenjiArai 8:3c5373ba612a 6 * http://www.page.sannet.ne.jp/kenjia/index.html
kenjiArai 8:3c5373ba612a 7 * https://os.mbed.com/users/kenjiArai/
kenjiArai 8:3c5373ba612a 8 * Created: April 7th, 2018
kenjiArai 9:b819be925e97 9 * Revised: December 27th, 2019
kenjiArai 8:3c5373ba612a 10 */
kenjiArai 8:3c5373ba612a 11
kenjiArai 8:3c5373ba612a 12 // Select ---------------------------------------------------------------------
kenjiArai 8:3c5373ba612a 13 #include "select_program.h"
kenjiArai 8:3c5373ba612a 14 #ifdef MAIN_1
kenjiArai 8:3c5373ba612a 15
kenjiArai 8:3c5373ba612a 16 // Include --------------------------------------------------------------------
kenjiArai 8:3c5373ba612a 17 #include "mbed.h"
kenjiArai 8:3c5373ba612a 18 #include "FATFileSystem.h"
kenjiArai 8:3c5373ba612a 19 #include "SDBlockDeviceDISCOF469NI.h"
kenjiArai 8:3c5373ba612a 20 #include "mon.h"
kenjiArai 8:3c5373ba612a 21
kenjiArai 8:3c5373ba612a 22 // Definition -----------------------------------------------------------------
kenjiArai 8:3c5373ba612a 23 #define USER_SW_ON 1
kenjiArai 8:3c5373ba612a 24 #define LOOP_TIME 25 // 25mS
kenjiArai 8:3c5373ba612a 25
kenjiArai 8:3c5373ba612a 26 #define DEBUG 0
kenjiArai 8:3c5373ba612a 27
kenjiArai 8:3c5373ba612a 28 #if DEBUG
kenjiArai 8:3c5373ba612a 29 #define DBG(...) pc.printf(__VA_ARGS__)
kenjiArai 8:3c5373ba612a 30 #else
kenjiArai 8:3c5373ba612a 31 #define DBG(...) {;}
kenjiArai 8:3c5373ba612a 32 #endif
kenjiArai 8:3c5373ba612a 33
kenjiArai 8:3c5373ba612a 34 // Constructor ----------------------------------------------------------------
kenjiArai 8:3c5373ba612a 35 DigitalOut led(LED1);
kenjiArai 8:3c5373ba612a 36 DigitalIn user_sw(USER_BUTTON);
kenjiArai 8:3c5373ba612a 37 Serial pc(USBTX, USBRX, 115200);
kenjiArai 8:3c5373ba612a 38 // Instantiate the Block Device for sd card on DISCO-F469NI
kenjiArai 8:3c5373ba612a 39 SDBlockDeviceDISCOF469NI bd;
kenjiArai 8:3c5373ba612a 40 FATFileSystem fs("fs");
kenjiArai 8:3c5373ba612a 41 Timer tmr;
kenjiArai 8:3c5373ba612a 42
kenjiArai 8:3c5373ba612a 43 // RAM ------------------------------------------------------------------------
kenjiArai 8:3c5373ba612a 44
kenjiArai 8:3c5373ba612a 45 // ROM / Constant data --------------------------------------------------------
kenjiArai 8:3c5373ba612a 46 const char *const opening_msg0 = "microSD Card test program";
kenjiArai 8:3c5373ba612a 47 const char *const opening_msg1 = " -> run on Mbed OS-5\r\n";
kenjiArai 8:3c5373ba612a 48
kenjiArai 8:3c5373ba612a 49 // Function prototypes --------------------------------------------------------
kenjiArai 8:3c5373ba612a 50 void return_error (int ret_val);
kenjiArai 8:3c5373ba612a 51 void errno_error (void* ret_val);
kenjiArai 8:3c5373ba612a 52
kenjiArai 8:3c5373ba612a 53 //------------------------------------------------------------------------------
kenjiArai 8:3c5373ba612a 54 // Control Program
kenjiArai 8:3c5373ba612a 55 //------------------------------------------------------------------------------
kenjiArai 8:3c5373ba612a 56 int main()
kenjiArai 8:3c5373ba612a 57 {
kenjiArai 8:3c5373ba612a 58 time_t seconds;
kenjiArai 8:3c5373ba612a 59 uint32_t data0 = 10000U;
kenjiArai 8:3c5373ba612a 60 uint32_t data1 = 20000U;
kenjiArai 8:3c5373ba612a 61 uint32_t data2 = 30000U;
kenjiArai 8:3c5373ba612a 62 uint32_t data3 = 40000U;
kenjiArai 8:3c5373ba612a 63 uint32_t data4 = 50000U;
kenjiArai 8:3c5373ba612a 64 uint32_t data5 = 60000U;
kenjiArai 8:3c5373ba612a 65
kenjiArai 8:3c5373ba612a 66 DBG("line:%d\r\n", __LINE__);
kenjiArai 8:3c5373ba612a 67 pc.printf("\r\nStart\r\n");
kenjiArai 8:3c5373ba612a 68 int error = 0;
kenjiArai 8:3c5373ba612a 69 pc.printf("Welcome to the filesystem example.\r\n");
kenjiArai 8:3c5373ba612a 70 pc.printf("Mounting the filesystem on \"/fs\". \r\n");
kenjiArai 8:3c5373ba612a 71 error = fs.mount(&bd);
kenjiArai 8:3c5373ba612a 72 return_error(error);
kenjiArai 8:3c5373ba612a 73
kenjiArai 8:3c5373ba612a 74 if (user_sw == USER_SW_ON) {
kenjiArai 8:3c5373ba612a 75 mon();
kenjiArai 8:3c5373ba612a 76 }
kenjiArai 8:3c5373ba612a 77 FILE* fp = fopen("/fs/mydata.txt", "a");
kenjiArai 8:3c5373ba612a 78 errno_error(fp);
kenjiArai 8:3c5373ba612a 79 if (fp != 0) {
kenjiArai 9:b819be925e97 80 DBG("line:%d\r\n", __LINE__);
kenjiArai 8:3c5373ba612a 81 pc.printf("%s%s", opening_msg0, opening_msg1);
kenjiArai 8:3c5373ba612a 82 fprintf(fp,"%s%s", opening_msg0, opening_msg1);
kenjiArai 9:b819be925e97 83 fclose(fp);
kenjiArai 8:3c5373ba612a 84 } else {
kenjiArai 8:3c5373ba612a 85 pc.printf("ERROR\r\n");
kenjiArai 8:3c5373ba612a 86 }
kenjiArai 8:3c5373ba612a 87 while (pc.readable()) {
kenjiArai 8:3c5373ba612a 88 char c = pc.getc(); // dummy read
kenjiArai 8:3c5373ba612a 89 }
kenjiArai 8:3c5373ba612a 90 while (true) {
kenjiArai 8:3c5373ba612a 91 DBG("line:%d\r\n", __LINE__);
kenjiArai 8:3c5373ba612a 92 tmr.reset();
kenjiArai 8:3c5373ba612a 93 tmr.start();
kenjiArai 9:b819be925e97 94 uint32_t size_disk = get_disk_freespace();
kenjiArai 9:b819be925e97 95 uint32_t size_file = get_data_file_size("mydata.txt");
kenjiArai 9:b819be925e97 96 pc.printf("free disk:%10u, file:%8u ", size_disk, size_file);
kenjiArai 8:3c5373ba612a 97 fp = fopen("/fs/mydata.txt", "a");
kenjiArai 8:3c5373ba612a 98 if(fp != 0) {
kenjiArai 8:3c5373ba612a 99 char tmp[64];
kenjiArai 8:3c5373ba612a 100 DBG("line:%d\r\n", __LINE__);
kenjiArai 8:3c5373ba612a 101 seconds = time(NULL);
kenjiArai 8:3c5373ba612a 102 strftime(tmp, 64, "DATE %H:%M:%S,%Y/%m/%d,", localtime(&seconds));
kenjiArai 8:3c5373ba612a 103 pc.printf("%s", tmp);
kenjiArai 8:3c5373ba612a 104 fprintf(fp, "%s", tmp);
kenjiArai 8:3c5373ba612a 105 pc.printf("%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 8:3c5373ba612a 106 ++data0, ++data1, ++data2, ++data3, ++data4, ++data5);
kenjiArai 8:3c5373ba612a 107 fprintf(fp, "%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 8:3c5373ba612a 108 data0, data1, data2, data3, data4, data5);
kenjiArai 9:b819be925e97 109 fclose(fp);
kenjiArai 8:3c5373ba612a 110 } else {
kenjiArai 8:3c5373ba612a 111 pc.printf("ERROR\r\n");
kenjiArai 8:3c5373ba612a 112 }
kenjiArai 8:3c5373ba612a 113 uint32_t time_sd = tmr.read_us();
kenjiArai 9:b819be925e97 114 pc.printf("time[uS]:%6d ", time_sd);
kenjiArai 9:b819be925e97 115 time_sd /= 1000; // change uS to ms
kenjiArai 8:3c5373ba612a 116 if (time_sd < LOOP_TIME -2){
kenjiArai 8:3c5373ba612a 117 ThisThread::sleep_for(LOOP_TIME - time_sd);
kenjiArai 8:3c5373ba612a 118 }
kenjiArai 8:3c5373ba612a 119 if (user_sw == USER_SW_ON) {
kenjiArai 8:3c5373ba612a 120 DBG("line:%d\r\n", __LINE__);
kenjiArai 8:3c5373ba612a 121 break;
kenjiArai 8:3c5373ba612a 122 }
kenjiArai 8:3c5373ba612a 123 if (pc.readable()) {
kenjiArai 8:3c5373ba612a 124 mon();
kenjiArai 8:3c5373ba612a 125 }
kenjiArai 8:3c5373ba612a 126 led = !led;
kenjiArai 8:3c5373ba612a 127 }
kenjiArai 8:3c5373ba612a 128 while(true) {
kenjiArai 8:3c5373ba612a 129 mon();
kenjiArai 8:3c5373ba612a 130 system_reset();
kenjiArai 8:3c5373ba612a 131 }
kenjiArai 8:3c5373ba612a 132 }
kenjiArai 8:3c5373ba612a 133
kenjiArai 8:3c5373ba612a 134 void return_error (int ret_val)
kenjiArai 8:3c5373ba612a 135 {
kenjiArai 8:3c5373ba612a 136 if (ret_val) {
kenjiArai 8:3c5373ba612a 137 pc.printf("retrun error/Failure. %d\r\n", ret_val);
kenjiArai 8:3c5373ba612a 138 }
kenjiArai 8:3c5373ba612a 139 }
kenjiArai 8:3c5373ba612a 140
kenjiArai 8:3c5373ba612a 141 void errno_error (void* ret_val)
kenjiArai 8:3c5373ba612a 142 {
kenjiArai 8:3c5373ba612a 143 if (ret_val == NULL) {
kenjiArai 8:3c5373ba612a 144 pc.printf("error #/Failure. %d \r\n", errno);
kenjiArai 8:3c5373ba612a 145 }
kenjiArai 8:3c5373ba612a 146 }
kenjiArai 8:3c5373ba612a 147
kenjiArai 8:3c5373ba612a 148 #endif