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@7:e7767b779c8c, 2020-05-02 (annotated)
- Committer:
- kenjiArai
- Date:
- Sat May 02 03:43:51 2020 +0000
- Revision:
- 7:e7767b779c8c
- Parent:
- 6:3c8b8e3cc0f8
- Child:
- 8:12621f1fcbbe
updated os5.changed starting process(wait key input)
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 | 7:e7767b779c8c | 5 | * Copyright (c) 2018,'19,'20 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 | 7:e7767b779c8c | 9 | * Revised: May 2nd, 2020 |
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" |
roykrikke | 0:4cdf28a602a8 | 17 | |
kenjiArai | 4:0f7797c2d3fe | 18 | // Definition ----------------------------------------------------------------- |
kenjiArai | 4:0f7797c2d3fe | 19 | #define USER_SW_ON 1 |
kenjiArai | 7:e7767b779c8c | 20 | #define LOOP_TIME 25 // 25mS |
kenjiArai | 7:e7767b779c8c | 21 | |
kenjiArai | 7:e7767b779c8c | 22 | #define DEBUG 0 |
kenjiArai | 7:e7767b779c8c | 23 | |
kenjiArai | 7:e7767b779c8c | 24 | #if DEBUG |
kenjiArai | 7:e7767b779c8c | 25 | #define DBG(...) pc.printf(__VA_ARGS__) |
kenjiArai | 7:e7767b779c8c | 26 | #else |
kenjiArai | 7:e7767b779c8c | 27 | #define DBG(...) {;} |
kenjiArai | 7:e7767b779c8c | 28 | #endif |
roykrikke | 0:4cdf28a602a8 | 29 | |
kenjiArai | 4:0f7797c2d3fe | 30 | // Constructor ---------------------------------------------------------------- |
kenjiArai | 4:0f7797c2d3fe | 31 | DigitalOut led(LED1); |
kenjiArai | 4:0f7797c2d3fe | 32 | DigitalIn user_sw(USER_BUTTON); |
kenjiArai | 4:0f7797c2d3fe | 33 | Serial pc(USBTX, USBRX, 115200); |
kenjiArai | 4:0f7797c2d3fe | 34 | // Instantiate the Block Device for sd card on DISCO-F769NI |
kenjiArai | 4:0f7797c2d3fe | 35 | SDBlockDeviceDISCOF769NI bd; |
kenjiArai | 4:0f7797c2d3fe | 36 | FATFileSystem fs("fs"); |
kenjiArai | 7:e7767b779c8c | 37 | Timer tmr; |
roykrikke | 2:993735af824b | 38 | |
kenjiArai | 4:0f7797c2d3fe | 39 | // RAM ------------------------------------------------------------------------ |
kenjiArai | 4:0f7797c2d3fe | 40 | |
kenjiArai | 4:0f7797c2d3fe | 41 | // ROM / Constant data -------------------------------------------------------- |
kenjiArai | 7:e7767b779c8c | 42 | const char *const opening_msg0 = "microSD Card test program"; |
kenjiArai | 7:e7767b779c8c | 43 | const char *const opening_msg1 = " -> run on Mbed OS-5\r\n"; |
kenjiArai | 7:e7767b779c8c | 44 | const char *const opening_msg2 = "microSD Card is ready for use\r\n"; |
kenjiArai | 7:e7767b779c8c | 45 | const char *const opening_msg3 = "Please hit any key to start!\r\n"; |
roykrikke | 2:993735af824b | 46 | |
kenjiArai | 4:0f7797c2d3fe | 47 | // Function prototypes -------------------------------------------------------- |
kenjiArai | 4:0f7797c2d3fe | 48 | void return_error (int ret_val); |
kenjiArai | 4:0f7797c2d3fe | 49 | void errno_error (void* ret_val); |
kenjiArai | 7:e7767b779c8c | 50 | extern void print_revision(void); |
kenjiArai | 7:e7767b779c8c | 51 | extern uint32_t get_disk_freespace(void); |
kenjiArai | 7:e7767b779c8c | 52 | extern uint32_t get_data_file_size(const char *const file_name); |
roykrikke | 0:4cdf28a602a8 | 53 | |
kenjiArai | 4:0f7797c2d3fe | 54 | //------------------------------------------------------------------------------ |
kenjiArai | 4:0f7797c2d3fe | 55 | // Control Program |
kenjiArai | 4:0f7797c2d3fe | 56 | //------------------------------------------------------------------------------ |
kenjiArai | 4:0f7797c2d3fe | 57 | int main() |
roykrikke | 3:7f991a3d4e71 | 58 | { |
kenjiArai | 4:0f7797c2d3fe | 59 | time_t seconds; |
kenjiArai | 4:0f7797c2d3fe | 60 | uint32_t data0 = 10000U; |
kenjiArai | 4:0f7797c2d3fe | 61 | uint32_t data1 = 20000U; |
kenjiArai | 4:0f7797c2d3fe | 62 | uint32_t data2 = 30000U; |
kenjiArai | 4:0f7797c2d3fe | 63 | uint32_t data3 = 40000U; |
kenjiArai | 4:0f7797c2d3fe | 64 | uint32_t data4 = 50000U; |
kenjiArai | 4:0f7797c2d3fe | 65 | uint32_t data5 = 60000U; |
roykrikke | 0:4cdf28a602a8 | 66 | |
kenjiArai | 7:e7767b779c8c | 67 | pc.printf("\r\n\r\n"); |
kenjiArai | 7:e7767b779c8c | 68 | print_revision(); |
kenjiArai | 7:e7767b779c8c | 69 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 4:0f7797c2d3fe | 70 | pc.printf("\r\nStart\r\n"); |
roykrikke | 3:7f991a3d4e71 | 71 | int error = 0; |
kenjiArai | 4:0f7797c2d3fe | 72 | pc.printf("Welcome to the filesystem example.\r\n"); |
kenjiArai | 4:0f7797c2d3fe | 73 | pc.printf("Mounting the filesystem on \"/fs\". \r\n"); |
roykrikke | 3:7f991a3d4e71 | 74 | error = fs.mount(&bd); |
roykrikke | 3:7f991a3d4e71 | 75 | return_error(error); |
roykrikke | 2:993735af824b | 76 | |
kenjiArai | 4:0f7797c2d3fe | 77 | FILE* fp = fopen("/fs/mydata.txt", "a"); |
kenjiArai | 4:0f7797c2d3fe | 78 | errno_error(fp); |
kenjiArai | 4:0f7797c2d3fe | 79 | if (fp != 0) { |
kenjiArai | 7:e7767b779c8c | 80 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 4:0f7797c2d3fe | 81 | pc.printf("%s%s", opening_msg0, opening_msg1); |
kenjiArai | 4:0f7797c2d3fe | 82 | fprintf(fp,"%s%s", opening_msg0, opening_msg1); |
kenjiArai | 7:e7767b779c8c | 83 | pc.printf("%s", opening_msg2); |
kenjiArai | 5:a7cb31d96583 | 84 | pc.printf("File: mydata.txt\r\n"); |
kenjiArai | 6:3c8b8e3cc0f8 | 85 | fclose(fp); |
kenjiArai | 4:0f7797c2d3fe | 86 | } else { |
kenjiArai | 4:0f7797c2d3fe | 87 | pc.printf("ERROR\r\n"); |
roykrikke | 3:7f991a3d4e71 | 88 | } |
kenjiArai | 7:e7767b779c8c | 89 | pc.printf("%s", opening_msg3); |
kenjiArai | 7:e7767b779c8c | 90 | while (pc.readable() == 0) { ;} |
kenjiArai | 7:e7767b779c8c | 91 | char c = pc.getc(); // dummy read |
kenjiArai | 4:0f7797c2d3fe | 92 | while (true) { |
kenjiArai | 7:e7767b779c8c | 93 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 7:e7767b779c8c | 94 | tmr.reset(); |
kenjiArai | 7:e7767b779c8c | 95 | tmr.start(); |
kenjiArai | 7:e7767b779c8c | 96 | uint32_t size_disk = get_disk_freespace(); |
kenjiArai | 7:e7767b779c8c | 97 | uint32_t size_file = get_data_file_size("mydata.txt"); |
kenjiArai | 7:e7767b779c8c | 98 | pc.printf("free disk:%10u, file:%8u ", size_disk, size_file); |
kenjiArai | 4:0f7797c2d3fe | 99 | fp = fopen("/fs/mydata.txt", "a"); |
kenjiArai | 4:0f7797c2d3fe | 100 | if(fp != 0) { |
kenjiArai | 4:0f7797c2d3fe | 101 | char tmp[64]; |
kenjiArai | 7:e7767b779c8c | 102 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 4:0f7797c2d3fe | 103 | seconds = time(NULL); |
kenjiArai | 4:0f7797c2d3fe | 104 | strftime(tmp, 64, "DATE %H:%M:%S,%Y/%m/%d,", localtime(&seconds)); |
kenjiArai | 5:a7cb31d96583 | 105 | pc.printf("%s", tmp); |
kenjiArai | 4:0f7797c2d3fe | 106 | fprintf(fp, "%s", tmp); |
kenjiArai | 4:0f7797c2d3fe | 107 | pc.printf("%08d;%08d;%08d;%08d;%08d;%08d\r\n", |
kenjiArai | 4:0f7797c2d3fe | 108 | ++data0, ++data1, ++data2, ++data3, ++data4, ++data5); |
kenjiArai | 4:0f7797c2d3fe | 109 | fprintf(fp, "%08d;%08d;%08d;%08d;%08d;%08d\r\n", |
kenjiArai | 4:0f7797c2d3fe | 110 | data0, data1, data2, data3, data4, data5); |
kenjiArai | 6:3c8b8e3cc0f8 | 111 | fclose(fp); |
kenjiArai | 4:0f7797c2d3fe | 112 | } else { |
kenjiArai | 4:0f7797c2d3fe | 113 | pc.printf("ERROR\r\n"); |
kenjiArai | 4:0f7797c2d3fe | 114 | } |
kenjiArai | 7:e7767b779c8c | 115 | uint32_t time_sd = tmr.read_us(); |
kenjiArai | 7:e7767b779c8c | 116 | pc.printf("time[uS]:%6d ", time_sd); |
kenjiArai | 7:e7767b779c8c | 117 | time_sd /= 1000; // change uS to ms |
kenjiArai | 7:e7767b779c8c | 118 | if (time_sd < LOOP_TIME -2){ |
kenjiArai | 7:e7767b779c8c | 119 | ThisThread::sleep_for(LOOP_TIME - time_sd); |
kenjiArai | 7:e7767b779c8c | 120 | } |
kenjiArai | 4:0f7797c2d3fe | 121 | if (user_sw == USER_SW_ON) { |
kenjiArai | 7:e7767b779c8c | 122 | DBG("line:%d\r\n", __LINE__); |
kenjiArai | 4:0f7797c2d3fe | 123 | break; |
kenjiArai | 4:0f7797c2d3fe | 124 | } |
kenjiArai | 4:0f7797c2d3fe | 125 | if (pc.readable()) { |
kenjiArai | 4:0f7797c2d3fe | 126 | mon(); |
kenjiArai | 4:0f7797c2d3fe | 127 | } |
kenjiArai | 4:0f7797c2d3fe | 128 | led = !led; |
roykrikke | 3:7f991a3d4e71 | 129 | } |
roykrikke | 3:7f991a3d4e71 | 130 | while(true) { |
kenjiArai | 4:0f7797c2d3fe | 131 | mon(); |
kenjiArai | 6:3c8b8e3cc0f8 | 132 | system_reset(); |
roykrikke | 3:7f991a3d4e71 | 133 | } |
roykrikke | 0:4cdf28a602a8 | 134 | } |
kenjiArai | 4:0f7797c2d3fe | 135 | |
kenjiArai | 4:0f7797c2d3fe | 136 | void return_error (int ret_val) |
kenjiArai | 4:0f7797c2d3fe | 137 | { |
kenjiArai | 4:0f7797c2d3fe | 138 | if (ret_val) { |
kenjiArai | 4:0f7797c2d3fe | 139 | pc.printf("retrun error/Failure. %d\r\n", ret_val); |
kenjiArai | 4:0f7797c2d3fe | 140 | } |
kenjiArai | 4:0f7797c2d3fe | 141 | } |
kenjiArai | 4:0f7797c2d3fe | 142 | |
kenjiArai | 4:0f7797c2d3fe | 143 | void errno_error (void* ret_val) |
kenjiArai | 4:0f7797c2d3fe | 144 | { |
kenjiArai | 4:0f7797c2d3fe | 145 | if (ret_val == NULL) { |
kenjiArai | 4:0f7797c2d3fe | 146 | pc.printf("error #/Failure. %d \r\n", errno); |
kenjiArai | 4:0f7797c2d3fe | 147 | } |
kenjiArai | 4:0f7797c2d3fe | 148 | } |