rc_test_adc.c

/**
 * @file rc_test_adc.c
 * @example    rc_test_adc
 *
 * prints voltages read by all adc channels
 *
 * @author     James Strawson
 * @date       1/29/2018
 */


#include <stdio.h>
#include <rc/adc.h>
#include <rc/time.h>


int main()
{
        int i;

        // initialize hardware first
        if(rc_adc_init()){
                fprintf(stderr,"ERROR: failed to run rc_init_adc()\n");
                return -1;
        }

        printf(" adc_0 |");
        printf(" adc_1 |");
        printf(" adc_2 |");
        printf(" adc_3 |");
        printf("DC_Jack|");
        printf("Battery|");
        printf("\n");

        // run untill the signal handler sets state to EXITING
        while(1){
                printf("\r");
                //print all channels
                for(i=0;i<4;i++){
                        printf("%6.2f |", rc_adc_read_volt(i));
                }
                printf("%6.2f |", rc_adc_dc_jack());
                printf("%6.2f |", rc_adc_batt());
                fflush(stdout);
                rc_usleep(100000);
        }

        rc_adc_cleanup();
        return 0;
}