Kenji Arai / Mbed OS DISCO-F769NI_several_example

Several examples run on only mbed-os5.13.0 (not 5.14.0)

Dependencies:   BD_SD_DISCO_F769NI BSP_DISCO_F769NI LCD_DISCO_F769NI TS_DISCO_F769NI USBHost_F769NI

z_example/4_microSD.cpp@3:35ac9ee7d2d6, 2019-08-07 (annotated)

Committer:
kenjiArai
Date:
Wed Aug 07 05:39:01 2019 +0000
Revision:
3:35ac9ee7d2d6
Child:
4:0f4affc00183
1st trial revision (Not finalized yet)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 3:35ac9ee7d2d6 1 /*
kenjiArai 3:35ac9ee7d2d6 2 * Mbed Application program
kenjiArai 3:35ac9ee7d2d6 3 * SD Card file control function with FatFs on Mbed-os5
kenjiArai 3:35ac9ee7d2d6 4 *
kenjiArai 3:35ac9ee7d2d6 5 * Copyright (c) 2018 Kenji Arai / JH1PJL
kenjiArai 3:35ac9ee7d2d6 6 * http://www.page.sannet.ne.jp/kenjia/index.html
kenjiArai 3:35ac9ee7d2d6 7 * https://os.mbed.com/users/kenjiArai/
kenjiArai 3:35ac9ee7d2d6 8 * Created: April 7th, 2018
kenjiArai 3:35ac9ee7d2d6 9 * Revised: July 21st, 2019
kenjiArai 3:35ac9ee7d2d6 10 */
kenjiArai 3:35ac9ee7d2d6 11
kenjiArai 3:35ac9ee7d2d6 12 #include "select_program.h"
kenjiArai 3:35ac9ee7d2d6 13 //#define EXAMPLE_4_MICROSD
kenjiArai 3:35ac9ee7d2d6 14 #ifdef EXAMPLE_4_MICROSD
kenjiArai 3:35ac9ee7d2d6 15
kenjiArai 3:35ac9ee7d2d6 16 // Include --------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 17 #include "mbed.h"
kenjiArai 3:35ac9ee7d2d6 18 #include "FATFileSystem.h"
kenjiArai 3:35ac9ee7d2d6 19 #include "SDBlockDeviceDISCOF769NI.h"
kenjiArai 3:35ac9ee7d2d6 20 #include "mon.h"
kenjiArai 3:35ac9ee7d2d6 21 #include <stdlib.h>
kenjiArai 3:35ac9ee7d2d6 22 #include <stdio.h>
kenjiArai 3:35ac9ee7d2d6 23 #include <errno.h>
kenjiArai 3:35ac9ee7d2d6 24
kenjiArai 3:35ac9ee7d2d6 25 // Definition -----------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 26 #define USER_SW_ON 1
kenjiArai 3:35ac9ee7d2d6 27
kenjiArai 3:35ac9ee7d2d6 28 // Constructor ----------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 29 DigitalOut led(LED1);
kenjiArai 3:35ac9ee7d2d6 30 DigitalIn user_sw(USER_BUTTON);
kenjiArai 3:35ac9ee7d2d6 31 Serial pc(USBTX, USBRX, 115200);
kenjiArai 3:35ac9ee7d2d6 32 // Instantiate the Block Device for sd card on DISCO-F769NI
kenjiArai 3:35ac9ee7d2d6 33 SDBlockDeviceDISCOF769NI bd;
kenjiArai 3:35ac9ee7d2d6 34 FATFileSystem fs("fs");
kenjiArai 3:35ac9ee7d2d6 35
kenjiArai 3:35ac9ee7d2d6 36 // RAM ------------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 37
kenjiArai 3:35ac9ee7d2d6 38 // ROM / Constant data --------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 39 char *const opening_msg0 = "microSD Card test program";
kenjiArai 3:35ac9ee7d2d6 40 char *const opening_msg1 = " -> run on Mbed OS-5\r\n";
kenjiArai 3:35ac9ee7d2d6 41
kenjiArai 3:35ac9ee7d2d6 42 // Function prototypes --------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 43 void return_error (int ret_val);
kenjiArai 3:35ac9ee7d2d6 44 void errno_error (void* ret_val);
kenjiArai 3:35ac9ee7d2d6 45
kenjiArai 3:35ac9ee7d2d6 46 //------------------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 47 // Control Program
kenjiArai 3:35ac9ee7d2d6 48 //------------------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 49 int main()
kenjiArai 3:35ac9ee7d2d6 50 {
kenjiArai 3:35ac9ee7d2d6 51 time_t seconds;
kenjiArai 3:35ac9ee7d2d6 52 uint32_t data0 = 10000U;
kenjiArai 3:35ac9ee7d2d6 53 uint32_t data1 = 20000U;
kenjiArai 3:35ac9ee7d2d6 54 uint32_t data2 = 30000U;
kenjiArai 3:35ac9ee7d2d6 55 uint32_t data3 = 40000U;
kenjiArai 3:35ac9ee7d2d6 56 uint32_t data4 = 50000U;
kenjiArai 3:35ac9ee7d2d6 57 uint32_t data5 = 60000U;
kenjiArai 3:35ac9ee7d2d6 58
kenjiArai 3:35ac9ee7d2d6 59 if (user_sw == USER_SW_ON) {
kenjiArai 3:35ac9ee7d2d6 60 mon();
kenjiArai 3:35ac9ee7d2d6 61 }
kenjiArai 3:35ac9ee7d2d6 62 //pc.printf("line:%d\r\n", __LINE__);
kenjiArai 3:35ac9ee7d2d6 63 pc.printf("\r\nStart\r\n");
kenjiArai 3:35ac9ee7d2d6 64 int error = 0;
kenjiArai 3:35ac9ee7d2d6 65 pc.printf("Welcome to the filesystem example.\r\n");
kenjiArai 3:35ac9ee7d2d6 66 pc.printf("Mounting the filesystem on \"/fs\". \r\n");
kenjiArai 3:35ac9ee7d2d6 67 error = fs.mount(&bd);
kenjiArai 3:35ac9ee7d2d6 68 return_error(error);
kenjiArai 3:35ac9ee7d2d6 69
kenjiArai 3:35ac9ee7d2d6 70 FILE* fp = fopen("/fs/mydata.txt", "a");
kenjiArai 3:35ac9ee7d2d6 71 errno_error(fp);
kenjiArai 3:35ac9ee7d2d6 72 if (fp != 0) {
kenjiArai 3:35ac9ee7d2d6 73 pc.printf("%s%s", opening_msg0, opening_msg1);
kenjiArai 3:35ac9ee7d2d6 74 fprintf(fp,"%s%s", opening_msg0, opening_msg1);
kenjiArai 3:35ac9ee7d2d6 75 } else {
kenjiArai 3:35ac9ee7d2d6 76 pc.printf("ERROR\r\n");
kenjiArai 3:35ac9ee7d2d6 77 }
kenjiArai 3:35ac9ee7d2d6 78 fclose(fp);
kenjiArai 3:35ac9ee7d2d6 79 while (pc.readable()) {
kenjiArai 3:35ac9ee7d2d6 80 char c = pc.getc(); // dummy read
kenjiArai 3:35ac9ee7d2d6 81 }
kenjiArai 3:35ac9ee7d2d6 82 while (true) {
kenjiArai 3:35ac9ee7d2d6 83 uint32_t size = get_disk_freespace();
kenjiArai 3:35ac9ee7d2d6 84 pc.printf("free %u ", size);
kenjiArai 3:35ac9ee7d2d6 85 fp = fopen("/fs/mydata.txt", "a");
kenjiArai 3:35ac9ee7d2d6 86 /*if (size <= DISK_SIZE_LIMIT) {
kenjiArai 3:35ac9ee7d2d6 87 pc.printf("Reached RAM Disk size limitation!!\r\n");
kenjiArai 3:35ac9ee7d2d6 88 break;
kenjiArai 3:35ac9ee7d2d6 89 }*/
kenjiArai 3:35ac9ee7d2d6 90 errno_error(fp);
kenjiArai 3:35ac9ee7d2d6 91 if(fp != 0) {
kenjiArai 3:35ac9ee7d2d6 92 char tmp[64];
kenjiArai 3:35ac9ee7d2d6 93 seconds = time(NULL);
kenjiArai 3:35ac9ee7d2d6 94 strftime(tmp, 64, "DATE %H:%M:%S,%Y/%m/%d,", localtime(&seconds));
kenjiArai 3:35ac9ee7d2d6 95 pc.printf(tmp);
kenjiArai 3:35ac9ee7d2d6 96 fprintf(fp, "%s", tmp);
kenjiArai 3:35ac9ee7d2d6 97 pc.printf("%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 3:35ac9ee7d2d6 98 ++data0, ++data1, ++data2, ++data3, ++data4, ++data5);
kenjiArai 3:35ac9ee7d2d6 99 fprintf(fp, "%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 3:35ac9ee7d2d6 100 data0, data1, data2, data3, data4, data5);
kenjiArai 3:35ac9ee7d2d6 101 fclose(fp);
kenjiArai 3:35ac9ee7d2d6 102 } else {
kenjiArai 3:35ac9ee7d2d6 103 pc.printf("ERROR (Cannot open /fs/mydata.txt)\r\n");
kenjiArai 3:35ac9ee7d2d6 104 // start retry
kenjiArai 3:35ac9ee7d2d6 105 error = fs.mount(&bd);
kenjiArai 3:35ac9ee7d2d6 106 return_error(error);
kenjiArai 3:35ac9ee7d2d6 107 FILE* fp = fopen("/fs/mydata.txt", "a");
kenjiArai 3:35ac9ee7d2d6 108 errno_error(fp);
kenjiArai 3:35ac9ee7d2d6 109 if (fp != 0) {
kenjiArai 3:35ac9ee7d2d6 110 pc.printf("%s%s", opening_msg0, opening_msg1);
kenjiArai 3:35ac9ee7d2d6 111 fprintf(fp,"%s%s", opening_msg0, opening_msg1);
kenjiArai 3:35ac9ee7d2d6 112 fclose(fp);
kenjiArai 3:35ac9ee7d2d6 113 } else {
kenjiArai 3:35ac9ee7d2d6 114 system_reset();
kenjiArai 3:35ac9ee7d2d6 115 }
kenjiArai 3:35ac9ee7d2d6 116 }
kenjiArai 3:35ac9ee7d2d6 117 Thread::wait(100);
kenjiArai 3:35ac9ee7d2d6 118 if (user_sw == USER_SW_ON) {
kenjiArai 3:35ac9ee7d2d6 119 break;
kenjiArai 3:35ac9ee7d2d6 120 }
kenjiArai 3:35ac9ee7d2d6 121 if (pc.readable()) {
kenjiArai 3:35ac9ee7d2d6 122 mon();
kenjiArai 3:35ac9ee7d2d6 123 }
kenjiArai 3:35ac9ee7d2d6 124 led = !led;
kenjiArai 3:35ac9ee7d2d6 125 }
kenjiArai 3:35ac9ee7d2d6 126 while(true) {
kenjiArai 3:35ac9ee7d2d6 127 mon();
kenjiArai 3:35ac9ee7d2d6 128 NVIC_SystemReset();
kenjiArai 3:35ac9ee7d2d6 129 }
kenjiArai 3:35ac9ee7d2d6 130 }
kenjiArai 3:35ac9ee7d2d6 131
kenjiArai 3:35ac9ee7d2d6 132 void return_error (int ret_val)
kenjiArai 3:35ac9ee7d2d6 133 {
kenjiArai 3:35ac9ee7d2d6 134 if (ret_val) {
kenjiArai 3:35ac9ee7d2d6 135 pc.printf("retrun error/Failure. %d\r\n", ret_val);
kenjiArai 3:35ac9ee7d2d6 136 }
kenjiArai 3:35ac9ee7d2d6 137 }
kenjiArai 3:35ac9ee7d2d6 138
kenjiArai 3:35ac9ee7d2d6 139 void errno_error (void* ret_val)
kenjiArai 3:35ac9ee7d2d6 140 {
kenjiArai 3:35ac9ee7d2d6 141 if (ret_val == NULL) {
kenjiArai 3:35ac9ee7d2d6 142 pc.printf("error #/Failure. %d \r\n", errno);
kenjiArai 3:35ac9ee7d2d6 143 }
kenjiArai 3:35ac9ee7d2d6 144 }
kenjiArai 3:35ac9ee7d2d6 145
kenjiArai 3:35ac9ee7d2d6 146 #endif