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@8:12621f1fcbbe, 2021-01-14 (annotated)
- Committer:
- kenjiArai
- Date:
- Thu Jan 14 00:40:36 2021 +0000
- Revision:
- 8:12621f1fcbbe
- Parent:
- 7:e7767b779c8c
run on mbed-os6.6.0
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 | 8:12621f1fcbbe | 3 | * SD Card file control function with FatFs on Mbed-os6 |
roykrikke | 3:7f991a3d4e71 | 4 | * |
kenjiArai | 8:12621f1fcbbe | 5 | * Copyright (c) 2018,'19,'20,'21 Kenji Arai / JH1PJL |
kenjiArai | 7:e7767b779c8c | 6 | * http://www7b.biglobe.ne.jp/~kenjia/ |
kenjiArai | 4:0f7797c2d3fe | 7 | * https://os.mbed.com/users/kenjiArai/ |
kenjiArai | 4:0f7797c2d3fe | 8 | * Created: April 7th, 2018 |
kenjiArai | 8:12621f1fcbbe | 9 | * Revised: January 14th, 2021 |
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 | 8:12621f1fcbbe | 17 | #include "uart_as_stdio.h" |
roykrikke | 0:4cdf28a602a8 | 18 | |
kenjiArai | 4:0f7797c2d3fe | 19 | // Definition ----------------------------------------------------------------- |
kenjiArai | 4:0f7797c2d3fe | 20 | #define USER_SW_ON 1 |
kenjiArai | 8:12621f1fcbbe | 21 | //#define LOOP_TIME 25 // 25mS |
kenjiArai | 8:12621f1fcbbe | 22 | #define LOOP_TIME 150 // 150mS |
kenjiArai | 7:e7767b779c8c | 23 | |
kenjiArai | 7:e7767b779c8c | 24 | #define DEBUG 0 |
kenjiArai | 7:e7767b779c8c | 25 | |
kenjiArai | 7:e7767b779c8c | 26 | #if DEBUG |
kenjiArai | 8:12621f1fcbbe | 27 | #define DBG(...) printf(__VA_ARGS__) |
kenjiArai | 7:e7767b779c8c | 28 | #else |
kenjiArai | 7:e7767b779c8c | 29 | #define DBG(...) {;} |
kenjiArai | 7:e7767b779c8c | 30 | #endif |
roykrikke | 0:4cdf28a602a8 | 31 | |
kenjiArai | 4:0f7797c2d3fe | 32 | // Constructor ---------------------------------------------------------------- |
kenjiArai | 4:0f7797c2d3fe | 33 | DigitalOut led(LED1); |
kenjiArai | 4:0f7797c2d3fe | 34 | DigitalIn user_sw(USER_BUTTON); |
kenjiArai | 4:0f7797c2d3fe | 35 | // Instantiate the Block Device for sd card on DISCO-F769NI |
kenjiArai | 4:0f7797c2d3fe | 36 | SDBlockDeviceDISCOF769NI bd; |
kenjiArai | 4:0f7797c2d3fe | 37 | FATFileSystem fs("fs"); |
kenjiArai | 7:e7767b779c8c | 38 | Timer tmr; |
roykrikke | 2:993735af824b | 39 | |
kenjiArai | 4:0f7797c2d3fe | 40 | // RAM ------------------------------------------------------------------------ |
kenjiArai | 4:0f7797c2d3fe | 41 | |
kenjiArai | 4:0f7797c2d3fe | 42 | // ROM / Constant data -------------------------------------------------------- |
kenjiArai | 7:e7767b779c8c | 43 | const char *const opening_msg0 = "microSD Card test program"; |
kenjiArai | 8:12621f1fcbbe | 44 | const char *const opening_msg1 = " -> run on Mbed OS-6\r\n"; |
kenjiArai | 7:e7767b779c8c | 45 | const char *const opening_msg2 = "microSD Card is ready for use\r\n"; |
kenjiArai | 7:e7767b779c8c | 46 | const char *const opening_msg3 = "Please hit any key to start!\r\n"; |
roykrikke | 2:993735af824b | 47 | |
kenjiArai | 4:0f7797c2d3fe | 48 | // Function prototypes -------------------------------------------------------- |
kenjiArai | 4:0f7797c2d3fe | 49 | void return_error (int ret_val); |
kenjiArai | 4:0f7797c2d3fe | 50 | void errno_error (void* ret_val); |
kenjiArai | 7:e7767b779c8c | 51 | extern void print_revision(void); |
roykrikke | 0:4cdf28a602a8 | 52 | |
kenjiArai | 4:0f7797c2d3fe | 53 | //------------------------------------------------------------------------------ |
kenjiArai | 4:0f7797c2d3fe | 54 | // Control Program |
kenjiArai | 4:0f7797c2d3fe | 55 | //------------------------------------------------------------------------------ |
kenjiArai | 4:0f7797c2d3fe | 56 | int main() |
roykrikke | 3:7f991a3d4e71 | 57 | { |
kenjiArai | 4:0f7797c2d3fe | 58 | time_t seconds; |
kenjiArai | 4:0f7797c2d3fe | 59 | uint32_t data0 = 10000U; |
kenjiArai | 4:0f7797c2d3fe | 60 | uint32_t data1 = 20000U; |
kenjiArai | 4:0f7797c2d3fe | 61 | uint32_t data2 = 30000U; |
kenjiArai | 4:0f7797c2d3fe | 62 | uint32_t data3 = 40000U; |
kenjiArai | 4:0f7797c2d3fe | 63 | uint32_t data4 = 50000U; |
kenjiArai | 4:0f7797c2d3fe | 64 | uint32_t data5 = 60000U; |
roykrikke | 0:4cdf28a602a8 | 65 | |
kenjiArai | 8:12621f1fcbbe | 66 | printf("\r\n\r\n"); |
kenjiArai | 7:e7767b779c8c | 67 | print_revision(); |
kenjiArai | 7:e7767b779c8c | 68 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 8:12621f1fcbbe | 69 | printf("\r\nStart\r\n"); |
roykrikke | 3:7f991a3d4e71 | 70 | int error = 0; |
kenjiArai | 8:12621f1fcbbe | 71 | printf("Welcome to the filesystem example.\r\n"); |
kenjiArai | 8:12621f1fcbbe | 72 | printf("Mounting the filesystem on \"/fs\". \r\n"); |
roykrikke | 3:7f991a3d4e71 | 73 | error = fs.mount(&bd); |
roykrikke | 3:7f991a3d4e71 | 74 | return_error(error); |
roykrikke | 2:993735af824b | 75 | |
kenjiArai | 4:0f7797c2d3fe | 76 | FILE* fp = fopen("/fs/mydata.txt", "a"); |
kenjiArai | 4:0f7797c2d3fe | 77 | errno_error(fp); |
kenjiArai | 4:0f7797c2d3fe | 78 | if (fp != 0) { |
kenjiArai | 7:e7767b779c8c | 79 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 8:12621f1fcbbe | 80 | printf("%s%s", opening_msg0, opening_msg1); |
kenjiArai | 4:0f7797c2d3fe | 81 | fprintf(fp,"%s%s", opening_msg0, opening_msg1); |
kenjiArai | 8:12621f1fcbbe | 82 | printf("%s", opening_msg2); |
kenjiArai | 8:12621f1fcbbe | 83 | printf("File: mydata.txt\r\n"); |
kenjiArai | 6:3c8b8e3cc0f8 | 84 | fclose(fp); |
kenjiArai | 4:0f7797c2d3fe | 85 | } else { |
kenjiArai | 8:12621f1fcbbe | 86 | printf("ERROR\r\n"); |
roykrikke | 3:7f991a3d4e71 | 87 | } |
kenjiArai | 8:12621f1fcbbe | 88 | printf("%s", opening_msg3); |
kenjiArai | 8:12621f1fcbbe | 89 | while (readable() == 0) { ;} |
kenjiArai | 8:12621f1fcbbe | 90 | char c = getc(); // dummy read |
kenjiArai | 4:0f7797c2d3fe | 91 | while (true) { |
kenjiArai | 7:e7767b779c8c | 92 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 7:e7767b779c8c | 93 | tmr.reset(); |
kenjiArai | 7:e7767b779c8c | 94 | tmr.start(); |
kenjiArai | 8:12621f1fcbbe | 95 | float size_disk = get_disk_freespace() / (1024.0f * 1024.0f * 1024.0f); |
kenjiArai | 8:12621f1fcbbe | 96 | uint32_t size_file = get_data_file_size("mydata.txt") / 1024; |
kenjiArai | 8:12621f1fcbbe | 97 | printf(", free disk: %.3f GB, file: %u kB, ", size_disk, size_file); |
kenjiArai | 4:0f7797c2d3fe | 98 | fp = fopen("/fs/mydata.txt", "a"); |
kenjiArai | 4:0f7797c2d3fe | 99 | if(fp != 0) { |
kenjiArai | 4:0f7797c2d3fe | 100 | char tmp[64]; |
kenjiArai | 7:e7767b779c8c | 101 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 4:0f7797c2d3fe | 102 | seconds = time(NULL); |
kenjiArai | 4:0f7797c2d3fe | 103 | strftime(tmp, 64, "DATE %H:%M:%S,%Y/%m/%d,", localtime(&seconds)); |
kenjiArai | 8:12621f1fcbbe | 104 | printf("%s", tmp); |
kenjiArai | 4:0f7797c2d3fe | 105 | fprintf(fp, "%s", tmp); |
kenjiArai | 8:12621f1fcbbe | 106 | printf("%08d;%08d;%08d;%08d;%08d;%08d\r\n", |
kenjiArai | 8:12621f1fcbbe | 107 | ++data0, ++data1, ++data2, ++data3, ++data4, ++data5); |
kenjiArai | 4:0f7797c2d3fe | 108 | fprintf(fp, "%08d;%08d;%08d;%08d;%08d;%08d\r\n", |
kenjiArai | 8:12621f1fcbbe | 109 | data0, data1, data2, data3, data4, data5); |
kenjiArai | 6:3c8b8e3cc0f8 | 110 | fclose(fp); |
kenjiArai | 4:0f7797c2d3fe | 111 | } else { |
kenjiArai | 8:12621f1fcbbe | 112 | printf("ERROR\r\n"); |
kenjiArai | 4:0f7797c2d3fe | 113 | } |
kenjiArai | 8:12621f1fcbbe | 114 | uint32_t time_sd = chrono::duration_cast<chrono::milliseconds>( |
kenjiArai | 8:12621f1fcbbe | 115 | tmr.elapsed_time()).count(); |
kenjiArai | 8:12621f1fcbbe | 116 | printf("time:%3d ", time_sd); |
kenjiArai | 8:12621f1fcbbe | 117 | if (time_sd < LOOP_TIME -2) { |
kenjiArai | 8:12621f1fcbbe | 118 | ThisThread::sleep_for(chrono::milliseconds(LOOP_TIME - time_sd)); |
kenjiArai | 7:e7767b779c8c | 119 | } |
kenjiArai | 4:0f7797c2d3fe | 120 | if (user_sw == USER_SW_ON) { |
kenjiArai | 7:e7767b779c8c | 121 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 4:0f7797c2d3fe | 122 | break; |
kenjiArai | 4:0f7797c2d3fe | 123 | } |
kenjiArai | 8:12621f1fcbbe | 124 | if (readable()) { |
kenjiArai | 4:0f7797c2d3fe | 125 | mon(); |
kenjiArai | 4:0f7797c2d3fe | 126 | } |
kenjiArai | 4:0f7797c2d3fe | 127 | led = !led; |
roykrikke | 3:7f991a3d4e71 | 128 | } |
roykrikke | 3:7f991a3d4e71 | 129 | while(true) { |
kenjiArai | 4:0f7797c2d3fe | 130 | mon(); |
kenjiArai | 6:3c8b8e3cc0f8 | 131 | system_reset(); |
roykrikke | 3:7f991a3d4e71 | 132 | } |
roykrikke | 0:4cdf28a602a8 | 133 | } |
kenjiArai | 4:0f7797c2d3fe | 134 | |
kenjiArai | 4:0f7797c2d3fe | 135 | void return_error (int ret_val) |
kenjiArai | 4:0f7797c2d3fe | 136 | { |
kenjiArai | 4:0f7797c2d3fe | 137 | if (ret_val) { |
kenjiArai | 8:12621f1fcbbe | 138 | printf("retrun error/Failure. %d\r\n", ret_val); |
kenjiArai | 4:0f7797c2d3fe | 139 | } |
kenjiArai | 4:0f7797c2d3fe | 140 | } |
kenjiArai | 4:0f7797c2d3fe | 141 | |
kenjiArai | 4:0f7797c2d3fe | 142 | void errno_error (void* ret_val) |
kenjiArai | 4:0f7797c2d3fe | 143 | { |
kenjiArai | 4:0f7797c2d3fe | 144 | if (ret_val == NULL) { |
kenjiArai | 8:12621f1fcbbe | 145 | printf("error #/Failure. %d \r\n", errno); |
kenjiArai | 4:0f7797c2d3fe | 146 | } |
kenjiArai | 4:0f7797c2d3fe | 147 | } |