Railroad Track

/*
  Set and Measure Volts.c

  Set D/A0 to 2.5 V and D/A1 to 1 V, and measure with A/D0 and A/D1.
*/

#include "simpletools.h"                         // Include simpletools
#include "adcDCpropab.h"                         // Include adcDCpropab

int main()
{                                  // main function
 while(1)
  {
    adc_init(21, 20, 19, 18);                      // CS=21, SCL=20, DO=19, DI=18

    dac_ctr(26, 0, 194);                           // D/A ch 0 -> 2.5 V to D/A 0
    dac_ctr(27, 1, 100);                            // D/A ch 1 -> 1 V to D/A 1

    printf("A/D0 = %f\n", adc_volts(0));            // Display A/D0 volts
    printf("A/D1 = %f\n", adc_volts(1));            // Display A/D1 volts
    pause(2000);

    dac_ctr(26, 0, 100);
    dac_ctr(27, 0, 194);

    printf("A/D0 = %f\n", adc_volts(0));
    printf("A/D1 = %f\n", adc_volts(1));

  pause(2000);
 }
}