File content as of revision 0:d49bf1a75d35:

#include "mbed.h"
#include "JPEGCamera.h"
Serial pc(USBTX,USBRX);
DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);
DigitalOut led4(LED4);
DigitalOut signalPin(p25);
char diff;
int main() 
{
    pc.baud(9600);
    JPEGCamera camera(p9, p10); // TX, RX
    LocalFileSystem local("local");
    Timer timer;
    timer.start();
    pc.printf("Setting SIZE 160X120");
    camera.setPictureSize(JPEGCamera::SIZE160x120);
    pc.printf("\nSetting SIZE 160X120 done and Taking reference image\n");
    int i=4;
   while(i--){
    if (camera.isReady()) 
    {
            char filename[32];
            sprintf(filename, "/local/image%d.jpg",i);
            pc.printf("Picture: %s \r\n", filename);
            if (camera.takePicture(filename)) 
            {while (camera.isProcessing()) camera.processPicture();  
            } else pc.printf("take picture failed\n");
    } else pc.printf("camera is not ready\n");
    wait(0.5);
    } 
    //pc.printf("Took IMG_REF\r\n");
   
    /*while(pc.readable()==0 && signalPin==0){
    if (camera.isReady()) 
    {       char filename[32];
            sprintf(filename, "/local/PICT.jpg");
            pc.printf("Picture: %s \r\n", filename);
            if (camera.takePicture(filename)) 
            {while (camera.isProcessing()) camera.processPicture();  
            } else pc.printf("take picture failed\n");
    }else pc.printf("camera is not ready\n");
    */
    pc.printf("Took PICT\r\n");
    //signalPin=1;}
}