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@4:0f4affc00183, 2019-10-14 (annotated)

Committer:
kenjiArai
Date:
Mon Oct 14 08:55:15 2019 +0000
Revision:
4:0f4affc00183
Parent:
3:35ac9ee7d2d6 
Several Examples

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 4:0f4affc00183 5 * Copyright (c) 2018,'19 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 4:0f4affc00183 9 * Revised: October 14th, 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
kenjiArai 3:35ac9ee7d2d6 22 // Definition -----------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 23 #define USER_SW_ON 1
kenjiArai 3:35ac9ee7d2d6 24
kenjiArai 3:35ac9ee7d2d6 25 // Constructor ----------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 26 DigitalOut led(LED1);
kenjiArai 3:35ac9ee7d2d6 27 DigitalIn user_sw(USER_BUTTON);
kenjiArai 3:35ac9ee7d2d6 28 Serial pc(USBTX, USBRX, 115200);
kenjiArai 3:35ac9ee7d2d6 29 // Instantiate the Block Device for sd card on DISCO-F769NI
kenjiArai 3:35ac9ee7d2d6 30 SDBlockDeviceDISCOF769NI bd;
kenjiArai 3:35ac9ee7d2d6 31 FATFileSystem fs("fs");
kenjiArai 3:35ac9ee7d2d6 32
kenjiArai 3:35ac9ee7d2d6 33 // RAM ------------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 34
kenjiArai 3:35ac9ee7d2d6 35 // ROM / Constant data --------------------------------------------------------
kenjiArai 4:0f4affc00183 36 const char * opening_msg0 = "microSD Card test program";
kenjiArai 4:0f4affc00183 37 const char * opening_msg1 = " -> run on Mbed OS-5\r\n";
kenjiArai 3:35ac9ee7d2d6 38
kenjiArai 3:35ac9ee7d2d6 39 // Function prototypes --------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 40 void return_error (int ret_val);
kenjiArai 3:35ac9ee7d2d6 41 void errno_error (void* ret_val);
kenjiArai 3:35ac9ee7d2d6 42
kenjiArai 3:35ac9ee7d2d6 43 //------------------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 44 // Control Program
kenjiArai 3:35ac9ee7d2d6 45 //------------------------------------------------------------------------------
kenjiArai 3:35ac9ee7d2d6 46 int main()
kenjiArai 3:35ac9ee7d2d6 47 {
kenjiArai 3:35ac9ee7d2d6 48 time_t seconds;
kenjiArai 3:35ac9ee7d2d6 49 uint32_t data0 = 10000U;
kenjiArai 3:35ac9ee7d2d6 50 uint32_t data1 = 20000U;
kenjiArai 3:35ac9ee7d2d6 51 uint32_t data2 = 30000U;
kenjiArai 3:35ac9ee7d2d6 52 uint32_t data3 = 40000U;
kenjiArai 3:35ac9ee7d2d6 53 uint32_t data4 = 50000U;
kenjiArai 3:35ac9ee7d2d6 54 uint32_t data5 = 60000U;
kenjiArai 3:35ac9ee7d2d6 55
kenjiArai 4:0f4affc00183 56 pc.printf("\x1b[2J\x1b[H %s\r\n %s %s (UTC)\r\n",
kenjiArai 4:0f4affc00183 57 __FILE__, __DATE__, __TIME__);
kenjiArai 4:0f4affc00183 58 printf(" microSD FOR DISCO-F769NI:\r\n");
kenjiArai 4:0f4affc00183 59
kenjiArai 3:35ac9ee7d2d6 60 //pc.printf("line:%d\r\n", __LINE__);
kenjiArai 3:35ac9ee7d2d6 61 pc.printf("\r\nStart\r\n");
kenjiArai 3:35ac9ee7d2d6 62 int error = 0;
kenjiArai 3:35ac9ee7d2d6 63 pc.printf("Welcome to the filesystem example.\r\n");
kenjiArai 3:35ac9ee7d2d6 64 pc.printf("Mounting the filesystem on \"/fs\". \r\n");
kenjiArai 3:35ac9ee7d2d6 65 error = fs.mount(&bd);
kenjiArai 3:35ac9ee7d2d6 66 return_error(error);
kenjiArai 3:35ac9ee7d2d6 67
kenjiArai 4:0f4affc00183 68 if (user_sw == USER_SW_ON) {
kenjiArai 4:0f4affc00183 69 mon();
kenjiArai 4:0f4affc00183 70 }
kenjiArai 4:0f4affc00183 71
kenjiArai 3:35ac9ee7d2d6 72 FILE* fp = fopen("/fs/mydata.txt", "a");
kenjiArai 3:35ac9ee7d2d6 73 errno_error(fp);
kenjiArai 3:35ac9ee7d2d6 74 if (fp != 0) {
kenjiArai 3:35ac9ee7d2d6 75 pc.printf("%s%s", opening_msg0, opening_msg1);
kenjiArai 3:35ac9ee7d2d6 76 fprintf(fp,"%s%s", opening_msg0, opening_msg1);
kenjiArai 3:35ac9ee7d2d6 77 } else {
kenjiArai 3:35ac9ee7d2d6 78 pc.printf("ERROR\r\n");
kenjiArai 3:35ac9ee7d2d6 79 }
kenjiArai 3:35ac9ee7d2d6 80 fclose(fp);
kenjiArai 3:35ac9ee7d2d6 81 while (pc.readable()) {
kenjiArai 3:35ac9ee7d2d6 82 char c = pc.getc(); // dummy read
kenjiArai 3:35ac9ee7d2d6 83 }
kenjiArai 3:35ac9ee7d2d6 84 while (true) {
kenjiArai 3:35ac9ee7d2d6 85 uint32_t size = get_disk_freespace();
kenjiArai 3:35ac9ee7d2d6 86 pc.printf("free %u ", size);
kenjiArai 3:35ac9ee7d2d6 87 fp = fopen("/fs/mydata.txt", "a");
kenjiArai 3:35ac9ee7d2d6 88 /*if (size <= DISK_SIZE_LIMIT) {
kenjiArai 3:35ac9ee7d2d6 89 pc.printf("Reached RAM Disk size limitation!!\r\n");
kenjiArai 3:35ac9ee7d2d6 90 break;
kenjiArai 3:35ac9ee7d2d6 91 }*/
kenjiArai 3:35ac9ee7d2d6 92 errno_error(fp);
kenjiArai 3:35ac9ee7d2d6 93 if(fp != 0) {
kenjiArai 3:35ac9ee7d2d6 94 char tmp[64];
kenjiArai 3:35ac9ee7d2d6 95 seconds = time(NULL);
kenjiArai 3:35ac9ee7d2d6 96 strftime(tmp, 64, "DATE %H:%M:%S,%Y/%m/%d,", localtime(&seconds));
kenjiArai 4:0f4affc00183 97 pc.printf("%s", tmp);
kenjiArai 3:35ac9ee7d2d6 98 fprintf(fp, "%s", tmp);
kenjiArai 3:35ac9ee7d2d6 99 pc.printf("%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 3:35ac9ee7d2d6 100 ++data0, ++data1, ++data2, ++data3, ++data4, ++data5);
kenjiArai 3:35ac9ee7d2d6 101 fprintf(fp, "%08d;%08d;%08d;%08d;%08d;%08d\r\n",
kenjiArai 3:35ac9ee7d2d6 102 data0, data1, data2, data3, data4, data5);
kenjiArai 3:35ac9ee7d2d6 103 fclose(fp);
kenjiArai 3:35ac9ee7d2d6 104 } else {
kenjiArai 3:35ac9ee7d2d6 105 pc.printf("ERROR (Cannot open /fs/mydata.txt)\r\n");
kenjiArai 3:35ac9ee7d2d6 106 // start retry
kenjiArai 3:35ac9ee7d2d6 107 error = fs.mount(&bd);
kenjiArai 3:35ac9ee7d2d6 108 return_error(error);
kenjiArai 3:35ac9ee7d2d6 109 FILE* fp = fopen("/fs/mydata.txt", "a");
kenjiArai 3:35ac9ee7d2d6 110 errno_error(fp);
kenjiArai 3:35ac9ee7d2d6 111 if (fp != 0) {
kenjiArai 3:35ac9ee7d2d6 112 pc.printf("%s%s", opening_msg0, opening_msg1);
kenjiArai 3:35ac9ee7d2d6 113 fprintf(fp,"%s%s", opening_msg0, opening_msg1);
kenjiArai 3:35ac9ee7d2d6 114 fclose(fp);
kenjiArai 3:35ac9ee7d2d6 115 } else {
kenjiArai 3:35ac9ee7d2d6 116 system_reset();
kenjiArai 3:35ac9ee7d2d6 117 }
kenjiArai 3:35ac9ee7d2d6 118 }
kenjiArai 4:0f4affc00183 119 ThisThread::sleep_for(100);
kenjiArai 3:35ac9ee7d2d6 120 if (user_sw == USER_SW_ON) {
kenjiArai 3:35ac9ee7d2d6 121 break;
kenjiArai 3:35ac9ee7d2d6 122 }
kenjiArai 3:35ac9ee7d2d6 123 if (pc.readable()) {
kenjiArai 3:35ac9ee7d2d6 124 mon();
kenjiArai 3:35ac9ee7d2d6 125 }
kenjiArai 3:35ac9ee7d2d6 126 led = !led;
kenjiArai 3:35ac9ee7d2d6 127 }
kenjiArai 3:35ac9ee7d2d6 128 while(true) {
kenjiArai 3:35ac9ee7d2d6 129 mon();
kenjiArai 3:35ac9ee7d2d6 130 NVIC_SystemReset();
kenjiArai 3:35ac9ee7d2d6 131 }
kenjiArai 3:35ac9ee7d2d6 132 }
kenjiArai 3:35ac9ee7d2d6 133
kenjiArai 3:35ac9ee7d2d6 134 void return_error (int ret_val)
kenjiArai 3:35ac9ee7d2d6 135 {
kenjiArai 3:35ac9ee7d2d6 136 if (ret_val) {
kenjiArai 3:35ac9ee7d2d6 137 pc.printf("retrun error/Failure. %d\r\n", ret_val);
kenjiArai 3:35ac9ee7d2d6 138 }
kenjiArai 3:35ac9ee7d2d6 139 }
kenjiArai 3:35ac9ee7d2d6 140
kenjiArai 3:35ac9ee7d2d6 141 void errno_error (void* ret_val)
kenjiArai 3:35ac9ee7d2d6 142 {
kenjiArai 3:35ac9ee7d2d6 143 if (ret_val == NULL) {
kenjiArai 3:35ac9ee7d2d6 144 pc.printf("error #/Failure. %d \r\n", errno);
kenjiArai 3:35ac9ee7d2d6 145 }
kenjiArai 3:35ac9ee7d2d6 146 }
kenjiArai 3:35ac9ee7d2d6 147
kenjiArai 3:35ac9ee7d2d6 148 #endif