Diff: mp3.cpp

Revision:

0:acb04070ad91

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mp3.cpp	Wed Sep 28 18:10:24 2016 +0000
@@ -0,0 +1,79 @@
+//********************************
+// version 27/09/16
+// G.Raynaud
+//********************************
+#include "mbed.h"
+#include "TextLCD.h"
+#include "SDFileSystem.h"
+#include <VLSIcodec.h>
+
+#define BUFFER_SIZE 2048
+
+Serial com(USBTX, USBRX); //Initiallize the Serial Port 0 (9600 bits/sec)
+unsigned char buff[BUFFER_SIZE];
+// codec
+VS1053Codec codec(p11, p12, p13, p14, p16, p15, p17); // mosi, miso, sck, cs,  dreq, rst, bsync
+// I2C Communication
+I2C i2c_lcd(p28, p27 ); // SCL, SDA
+// LCD
+TextLCD_I2C lcd(&i2c_lcd, 0x40, TextLCD::LCD16x2);  // I2C bus, PCF8574 Slaveaddress, LCD Type
+// SD card
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //  mosi, miso, sclk, cs   the pinout on the mbed Cool Components workshop board
+
+int main()
+{
+    char ligne[17];
+    lcd.cls();
+    lcd.setBacklight(TextLCD::LightOff);
+    wait(1);
+    lcd.printf("     ");
+    lcd.cls();
+    lcd.setBacklight(TextLCD::LightOn);
+    lcd.setCursor(TextLCD::CurOff_BlkOff);
+    mkdir("/sd/mydir", 0777);
+    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
+    if(fp == NULL) {
+        error("Could not open file for write\n");
+    }
+    fprintf(fp, "IUT---MP3");
+    fclose(fp);
+    fp = fopen("/sd/mydir/sdtest.txt", "r");
+    fscanf(fp,"%s",ligne);
+    lcd.printf(ligne);
+    fclose(fp);
+    
+    
+    wait(1);
+    //
+    codec.init();                      // initialise le codec
+    codec.loadpatch();                 // charge le patch (rev 1.5)
+    codec.setbassboost( 15, 150);      // basse
+    codec.settrebleboost( 7, 15000);   // aigue
+    codec.setvolume( 0x10, 0x10);      // volume
+
+
+    FILE *song  = fopen("/sd/music/1.mp3", "r");  // ouverture fichier MP3
+    codec.resetplaytime();
+    int aff=0;
+    
+    while(1) {
+
+        while(!feof(song)) {    // tant que fichier non termine
+
+            fread(buff, 1, BUFFER_SIZE, song);  // lecture buffer 
+            aff++;
+            if(aff%1==0){
+            codec.getplaytime(ligne);
+            ligne[5]=NULL;
+            lcd.locate(2,1);
+            lcd.puts(ligne);}
+            int iSize=0;
+            while( iSize < BUFFER_SIZE) {
+                codec.testdreq();
+                codec.writedata( buff[ iSize++]);
+                //if ( iSize > BUFFER_SIZE)
+                    //break;
+            }
+        }
+    }
+}
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