main.cpp

00001 #include "mbed.h"
00002 #include "SDFileSystem.h"
00003 
00004 DigitalOut led1(LED1);
00005 DigitalOut led2(LED2);
00006 DigitalOut led3(LED3);
00007 DigitalOut led4(LED4);
00008 
00009 DigitalIn Dreq(p26);
00010 DigitalOut XDCS(p25);
00011 DigitalOut reset(p23);
00012 DigitalOut XCS(p22);
00013 
00014 SPI mp3Board(p11, p12, p13);
00015 SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
00016 
00017 int killLoop = 1;
00018 int mp3Chunk;
00019 int fileSize;
00020 
00021 long getFileSize(FILE *fp) {
00022     fseek(fp, 0, SEEK_END);
00023     int size = ftell(fp);
00024     fseek(fp, 0, SEEK_SET);
00025     
00026     return size;
00027 }
00028 
00029 int main() {
00030     led1=0;
00031     led2=0;
00032     led3=0;
00033     led4=0;
00034     
00035     
00036     XCS=1;
00037     XCS=0; //pull xcs low to begin sci write. Sets mode to vs1002, 
00038     mp3Board.write(0x02); //0x02 is the write opcode
00039     mp3Board.write(0x00); //0x00 is the address of the sci mode register
00040     mp3Board.write(0x0A); //0x0A (11 in dec) is the SM_SDINEW bit
00041     XCS=1; //pulled high to end write sequence
00042     
00043     led1=1;
00044     
00045     FILE *mp3_file;
00046     //printf("\n\n\nHello, wave world!\n");
00047     mp3_file=fopen("/sd/Putties.mp3","rb");
00048     
00049     XDCS = 1;
00050     XDCS = 0;
00051     
00052     
00053     /*
00054     fseek(mp3_file, 0, SEEK_END);
00055     fileSize=ftell(mp3_file);
00056     fseek(mp3_file, 0, SEEK_SET);
00057     */
00058     
00059     fileSize=getFileSize(mp3_file);
00060     
00061     led2=1;
00062     
00063     fread(&mp3Chunk, 1, 100, mp3_file);
00064     led3=1;
00065     mp3Board.write(mp3Chunk);
00066     
00067         
00068     
00069     fclose(mp3_file);
00070     XDCS=1;
00071     
00072     led4=1;
00073     
00074 }