File content as of revision 3:37b076ff27a9:

#include "mbed.h"
//#include "SDFileSystem.h"
 
//SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
Serial xbee(p13,p14);  // tx, rx 
/*Timeout dater;*/
LocalFileSystem local("local");
Timer timer;

AnalogIn temp_in(p20);
AnalogIn acc_x(p17);
AnalogIn acc_y(p18);
AnalogIn acc_z(p19);
AnalogIn v_out(p16);
AnalogIn light_in(p15);

int main() {
    
    float r_temp, temp;
    float vo,ax,ay,az, light; 

    FILE* fp = fopen("/local/CanSat.txt", "a");
    unsigned count = 0;
    time_t epoch = 0;

    fprintf(fp, "E %d \r", epoch);
    timer.start();
    
    while(1){
        //epoch = time(NULL);
        float seconds = timer.read();
        temp = temp_in;
        vo   = v_out/10*33;
        ax = acc_x/10;
        ay = acc_y/10;
        az = acc_z/10;
        light = light_in/10*33;
        r_temp = temp_in * 3.3 * 100 ;   
                    

        fprintf(fp, "S %f ", seconds);
        fprintf(fp, "T %5.2f ",r_temp);
        fprintf(fp, "H %5.2f ",(vo*8-6)/25);
        fprintf(fp, "X %5.2f ",(ax*33-1.65)/0.66);
        fprintf(fp, "Y %5.2f ",(ay*33-1.65)/0.66);
        fprintf(fp, "Z %5.2f ",(az*33-1.65)/0.66);
        fprintf(fp, "L %5.2f",light);
        fprintf(fp,"\n");

        if (count % 100 == 0) {
            xbee.printf("S %f ", seconds);
            xbee.printf("T %5.2f ",r_temp);
            xbee.printf("H %5.2f ",((vo*8-6)/25));
            xbee.printf("X %5.2f ",(ax*33-1.65)/0.66);
            xbee.printf("Y %5.2f ",(ay*33-1.65)/0.66);
            xbee.printf("Z %5.2f ",(az*33-1.65)/0.66);
            xbee.printf("L %5.2f",light);
            xbee.printf("\n\r");
        }//if

        ++count;
        wait(0.01);
    }//while
    //fclose(fp);
}