File content as of revision 1:b71192bf4318:

#include "mbed.h"

LocalFileSystem local("local");               // Create the local filesystem under the name "local"
DigitalOut myled(LED1);
AnalogIn AinSensA(p17);
AnalogIn AinSensB(p18);
AnalogIn AinSensC(p19);
AnalogIn AinSensD(p20);

Serial pc(USBTX, USBRX); // comms to host PC
int ADCdata1, ADCdata2, ADCdata3, ADCdata4;
char ime[20];
char staza[20];
char ekstenzija[20];
int mjeri;
int i=0;

int main()
{
    while (1){
    pc.printf("\n\rUpisi ime datoteke\n\r");
    pc.scanf( " %s", ime);
    pc.printf("\n\rDatoteka je %s\n\r",ime);

    strcpy(staza,  "/local/");
    strcpy(ekstenzija,  ".csv");

    strcat(staza,ime);
    strcat(staza,ekstenzija);
    //pc.printf("\n\rOdrediste je %s\n\r",staza);
    mjeri=1;
    i=0;

    FILE *fp = fopen(staza, "w");  // Open "xxx.cvs" on the local file system for writing
    while (mjeri==1) {
        pc.printf("\n\rPodesi polozaj senzora.... Unesi M - mjeri, S - stop\n\r");
        char c = pc.getc();         // get keyboard data (note numerical ascii range)

        if (c=='s'or c=='S') {
            mjeri=0;
        }
        if (c=='m'or c=='M') {
            mjeri=1;
            myled=1;
            i++;
            ADCdata1 = AinSensA*1000;
            ADCdata2 = AinSensB*1000;
            ADCdata3 = AinSensC*1000;
            ADCdata4 = AinSensD*1000;
                        
            fprintf(fp, "%d ,%d ,%d ,%d , %d\n", ADCdata1,ADCdata2,ADCdata3,ADCdata4, i);
            printf("\n\rSa %d  Sb %d  Sc %d  Sd %d  zapis br. %d\n\r", ADCdata1, ADCdata2, ADCdata3,ADCdata4, i);

            wait(0.5);
            myled=0;
        }
    }

    fclose(fp);
    myled= 1;
    pc.printf("\n\rSTOP\n\r");
    }
}