Waveform

#include "Waveforms.h"

#define oneHzSample 1000000/maxSamplesNum  // sample for the 1Hz signal expressed in microseconds


int i = 0;
int sample;


void setup() {
  analogWriteResolution(12);  // set the analog output resolution to 12 bit (4096 levels)
  analogReadResolution(12);   // set the analog input resolution to 12 bit

}

void loop() {
  // Read the the potentiometer and map the value  between the maximum and the minimum sample available
  // 1 Hz is the minimum freq for the complete wave
  // 170 Hz is the maximum freq for the complete wave. Measured considering the loop and the analogRead() time
  sample = map(analogRead(A0), 0, 4095, 0, oneHzSample);
  sample = constrain(t_sample, 0, oneHzSample);

  analogWrite(DAC0, waveformsTable[0][i]);  // write the selected waveform on DAC0
  analogWrite(DAC1, waveformsTable[0][i]);  // write the selected waveform on DAC1

  i++;
  if(i == maxSamplesNum)  // Reset the counter to repeat the wave
    i = 0;

  delayMicroseconds(sample);  // Hold the sample value for the sample time
}