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
- Committer:
- kenjiArai
- Date:
- 2019-10-14
- Revision:
- 4:0f4affc00183
- Parent:
- 3:35ac9ee7d2d6
File content as of revision 4:0f4affc00183:
/* * Mbed Application program * SD Card file control function with FatFs on Mbed-os5 * * Copyright (c) 2018,'19 Kenji Arai / JH1PJL * http://www.page.sannet.ne.jp/kenjia/index.html * https://os.mbed.com/users/kenjiArai/ * Created: April 7th, 2018 * Revised: October 14th, 2019 */ #include "select_program.h" //#define EXAMPLE_4_MICROSD #ifdef EXAMPLE_4_MICROSD // Include -------------------------------------------------------------------- #include "mbed.h" #include "FATFileSystem.h" #include "SDBlockDeviceDISCOF769NI.h" #include "mon.h" // Definition ----------------------------------------------------------------- #define USER_SW_ON 1 // Constructor ---------------------------------------------------------------- DigitalOut led(LED1); DigitalIn user_sw(USER_BUTTON); Serial pc(USBTX, USBRX, 115200); // Instantiate the Block Device for sd card on DISCO-F769NI SDBlockDeviceDISCOF769NI bd; FATFileSystem fs("fs"); // RAM ------------------------------------------------------------------------ // ROM / Constant data -------------------------------------------------------- const char * opening_msg0 = "microSD Card test program"; const char * opening_msg1 = " -> run on Mbed OS-5\r\n"; // Function prototypes -------------------------------------------------------- void return_error (int ret_val); void errno_error (void* ret_val); //------------------------------------------------------------------------------ // Control Program //------------------------------------------------------------------------------ int main() { time_t seconds; uint32_t data0 = 10000U; uint32_t data1 = 20000U; uint32_t data2 = 30000U; uint32_t data3 = 40000U; uint32_t data4 = 50000U; uint32_t data5 = 60000U; pc.printf("\x1b[2J\x1b[H %s\r\n %s %s (UTC)\r\n", __FILE__, __DATE__, __TIME__); printf(" microSD FOR DISCO-F769NI:\r\n"); //pc.printf("line:%d\r\n", __LINE__); pc.printf("\r\nStart\r\n"); int error = 0; pc.printf("Welcome to the filesystem example.\r\n"); pc.printf("Mounting the filesystem on \"/fs\". \r\n"); error = fs.mount(&bd); return_error(error); if (user_sw == USER_SW_ON) { mon(); } FILE* fp = fopen("/fs/mydata.txt", "a"); errno_error(fp); if (fp != 0) { pc.printf("%s%s", opening_msg0, opening_msg1); fprintf(fp,"%s%s", opening_msg0, opening_msg1); } else { pc.printf("ERROR\r\n"); } fclose(fp); while (pc.readable()) { char c = pc.getc(); // dummy read } while (true) { uint32_t size = get_disk_freespace(); pc.printf("free %u ", size); fp = fopen("/fs/mydata.txt", "a"); /*if (size <= DISK_SIZE_LIMIT) { pc.printf("Reached RAM Disk size limitation!!\r\n"); break; }*/ errno_error(fp); if(fp != 0) { char tmp[64]; seconds = time(NULL); strftime(tmp, 64, "DATE %H:%M:%S,%Y/%m/%d,", localtime(&seconds)); pc.printf("%s", tmp); fprintf(fp, "%s", tmp); pc.printf("%08d;%08d;%08d;%08d;%08d;%08d\r\n", ++data0, ++data1, ++data2, ++data3, ++data4, ++data5); fprintf(fp, "%08d;%08d;%08d;%08d;%08d;%08d\r\n", data0, data1, data2, data3, data4, data5); fclose(fp); } else { pc.printf("ERROR (Cannot open /fs/mydata.txt)\r\n"); // start retry error = fs.mount(&bd); return_error(error); FILE* fp = fopen("/fs/mydata.txt", "a"); errno_error(fp); if (fp != 0) { pc.printf("%s%s", opening_msg0, opening_msg1); fprintf(fp,"%s%s", opening_msg0, opening_msg1); fclose(fp); } else { system_reset(); } } ThisThread::sleep_for(100); if (user_sw == USER_SW_ON) { break; } if (pc.readable()) { mon(); } led = !led; } while(true) { mon(); NVIC_SystemReset(); } } void return_error (int ret_val) { if (ret_val) { pc.printf("retrun error/Failure. %d\r\n", ret_val); } } void errno_error (void* ret_val) { if (ret_val == NULL) { pc.printf("error #/Failure. %d \r\n", errno); } } #endif