#include <blinker.h>
#include <autoPOT.h>
#include <mapper.h>

blinker ourLED(2);                      // Square wave on a pin machine.
autoPOT ourPOT(A0);                     // Auto POT manager.
mapper  freqMapper(0,1023,1,10);       // 1 per sec to 10 per sec.  


void setup() {
  
  Serial.begin(115200);
  Serial.println("Dial the POT to change the frequency.");
  ourPOT.setCallback(freqChange);
  ourLED.setOnOff(true);
}


void freqChange(int newReading) {
  float newFreq;

  newFreq = freqMapper.map(newReading);
  Serial.print("New freq. : ");
  Serial.print(newFreq);
  Serial.println(" per sec.");
  ourLED.setPeriod(1000/newFreq);
  ourLED.setPercent(50);
}


void loop() { idle(); }