Recording WAV files

Dependencies:   mbed SDFileSystem

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){
+           }
 }