// Adding a callback function example.
//
// In this example we'll setup a callback for a mechButton.

#include <mechButton.h>


#define BTN_PIN	2     // Pin we'll hook the button to. The other side hooks to ground.
#define RED_PIN	13    // Usual pin number for built in LED.

mechButton aButton(BTN_PIN);  // Set button one to pin BTN_PIN.
bool       LEDOn;

// Your standard sketch setup()
void setup() {
   
   Serial.begin(9600);						    // Fire up our serial monitor thing.
   pinMode(RED_PIN,OUTPUT);				    // Set up the LED pin for output.
   LEDOn = false;                     // LED is OFF.
   aButton.setCallback(myCallback);		// Set up our callback. (Also calls hookup() for idling.)
}


// This is the guy that's called when the button changes state.
void myCallback(void) {

   Serial.print("Button just became ");   // We just saw the button change state.
   if (aButton.getState()) {              // If the button state is now high.
      Serial.println("true!");            // Tell the user.
   } else {                               // Else it just bacame low. (Grounded, pushed)
      Serial.println("false!");           // Tell user.
      LEDOn = !LEDOn;                     // Swap the LED state.
      digitalWrite(GREEN_PIN,state);      // Set the new state. (Make it true)
   }
}


// Your standard sketch loop()
void loop() {
      
   idle();											        // Let all the idlers have time to do their thing.
}