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
Please refer following my Notebook page.
/users/kenjiArai/notebook/sd-card-control-new/#
main.cpp@5:a7cb31d96583, 2019-07-25 (annotated)
- Committer:
- kenjiArai
- Date:
- Thu Jul 25 19:41:19 2019 +0000
- Revision:
- 5:a7cb31d96583
- Parent:
- 4:0f7797c2d3fe
- Child:
- 6:3c8b8e3cc0f8
modified BD_SD_DISCO_F769NI due to BlockDevice spec. was changed
Who changed what in which revision?
User | Revision | Line number | New 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 | 5:a7cb31d96583 | 9 | * Revised: July 25th, 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 | 4:0f7797c2d3fe | 69 | } else { |
kenjiArai | 4:0f7797c2d3fe | 70 | pc.printf("ERROR\r\n"); |
roykrikke | 3:7f991a3d4e71 | 71 | } |
kenjiArai | 4:0f7797c2d3fe | 72 | fclose(fp); |
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 | 4:0f7797c2d3fe | 94 | } else { |
kenjiArai | 4:0f7797c2d3fe | 95 | pc.printf("ERROR\r\n"); |
kenjiArai | 4:0f7797c2d3fe | 96 | } |
kenjiArai | 4:0f7797c2d3fe | 97 | fclose(fp); |
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 | 4:0f7797c2d3fe | 109 | NVIC_SystemReset(); |
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 | } |