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Recording WAV files
Dependencies: mbed SDFileSystem
Diff: main.cpp
- Revision:
- 8:3b78330112a1
- Parent:
- 7:4467fbfa888b
--- a/main.cpp Sat May 02 03:45:17 2020 +0000 +++ b/main.cpp Tue Nov 09 15:21:06 2021 +0000 @@ -1,165 +1,41 @@ -/* - * Mbed Application program - * SD Card file control function with FatFs on Mbed-os5 or os2 - * - * Copyright (c) 2018,'19,'20 Kenji Arai / JH1PJL - * http://www7b.biglobe.ne.jp/~kenjia/ - * https://os.mbed.com/users/kenjiArai/ - * Created: April 4th, 2018 - * Revised: May 2nd, 2020 - */ - -/* - Tested board on OS2: - Nucleo-F401RE, -F411RE, -F446RE, -L073RZ, -L152RE, -L476RG - Tested board on OS5.15.0 - Nucleo-F401RE, -F411RE, -F446RE, -L152RE, -L073RZ, -L476RG - nRF52840-DK, nRF52-DK - FRDM-K64F - */ - // Include -------------------------------------------------------------------- #include "mbed.h" -#if (MBED_MAJOR_VERSION == 2) #include "SDFileSystem.h" -#elif (MBED_MAJOR_VERSION == 5) -#include "SDBlockDevice.h" -#include "FATFileSystem.h" -#endif -#include "mon.h" -#include <stdlib.h> - -// Definition ----------------------------------------------------------------- -#define USER_SW_ON 0 -#if (MBED_MAJOR_VERSION == 2) -#define LOOP_TIME 100 // 100mS -#elif (MBED_MAJOR_VERSION == 5) -#define LOOP_TIME 50 // 50mS -#endif - -#define DEBUG 0 - -#if DEBUG -#define DBG(...) pc.printf(__VA_ARGS__) -#else -#define DBG(...) {;} -#endif - -// Constructor ---------------------------------------------------------------- -Serial pc(USBTX, USBRX, 115200); -#if defined(TARGET_NRF52840_DK) || defined(TARGET_NRF52_DK) ||\ - defined(TARGET_K64F) -DigitalIn user_sw(BUTTON1, PullUp); -#else -DigitalIn user_sw(USER_BUTTON); -#endif -#if (MBED_MAJOR_VERSION == 5) -#if defined(TARGET_NRF52840_DK) || defined(TARGET_NRF52_DK) -SDBlockDevice sd(D11, D12, D13, D10, 8000000); -#else -SDBlockDevice sd(SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, 12000000); -#endif -FATFileSystem fs("fs"); -#endif -Timer tmr; // RAM ------------------------------------------------------------------------ // ROM / Constant data -------------------------------------------------------- -const char *const opening_msg0 = "microSD Card test program"; -#if (MBED_MAJOR_VERSION == 2) -char *const opening_msg1 = " -> run on Mbed Classic\r\n"; -#elif (MBED_MAJOR_VERSION == 5) -const char *const opening_msg1 = " -> run on Mbed OS-5\r\n"; -#endif -const char *const opening_msg2 = "microSD Card is ready for use\r\n"; -const char *const opening_msg3 = "Please hit any key to start!\r\n"; +const char *const opening_msg0 = "something to write : "; -// Function prototypes -------------------------------------------------------- -extern void print_revision(void); -extern uint32_t get_disk_freespace(void); -extern uint32_t get_data_file_size(const char *const file_name); +AnalogIn mic(PA_2); +DigitalOut led(PC_13); -//------------------------------------------------------------------------------ // 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; + SDFileSystem sd(PB_15, PB_14, PB_13, PB_12, "fs"); // MOSI,MISO,SCK,CS + - pc.printf("\r\n\r\n"); - print_revision(); - DBG("line:%d\r\n", __LINE__); -#if (MBED_MAJOR_VERSION == 5) - /* Init SD CARD reader */ - sd.init(); - fs.mount(&sd); -#else - SDFileSystem sd(D11, D12, D13, D10, "fs"); // do,di,clk,cs - wait_ms(100); -#endif + FILE* fp = fopen("/fs/mydata.txt", "a"); if (fp != 0) { - DBG("line:%d\r\n", __LINE__); - pc.printf("%s%s", opening_msg0, opening_msg1); - fprintf(fp,"%s%s", opening_msg0, opening_msg1); - pc.printf("%s", opening_msg2); + fprintf(fp,"%s", opening_msg0); + led = 1; fclose(fp); } else { - pc.printf("ERROR\r\n"); + /*Error Message*/ + led = 0; } - pc.printf("%s", opening_msg3); - while (pc.readable() == 0) { ;} - char c = pc.getc(); // dummy read - while (true) { - DBG("line:%d\r\n", __LINE__); - tmr.reset(); - tmr.start(); - uint32_t size_disk = get_disk_freespace(); - uint32_t size_file = get_data_file_size("mydata.txt"); - pc.printf("free disk:%10u, file:%8u ", size_disk, size_file); - fp = fopen("/fs/mydata.txt", "a"); - if(fp != 0) { - char tmp[64]; - DBG("line:%d\r\n", __LINE__); - 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\r\n"); - } - uint32_t time_sd = tmr.read_ms(); - pc.printf("time:%3d ", time_sd); -#if (MBED_MAJOR_VERSION == 2) - if (time_sd < LOOP_TIME -2){ - wait_ms(LOOP_TIME - time_sd); - } -#elif (MBED_MAJOR_VERSION == 5) - if (time_sd < LOOP_TIME -2){ - ThisThread::sleep_for(LOOP_TIME - time_sd); - } -#endif - if (user_sw == USER_SW_ON) { - break; - } - if (pc.readable()) { - mon(); - } + + fp = fopen("/fs/mydata.txt", "a"); + + if(fp != 0) { + fprintf(fp,"free disk: \n"); + fclose(fp); + } else { + /*Error message*/ } - while(true) { - mon(); - system_reset(); - } + while(1){ + } }