FlasherCode.cpp

#include "mbed.h"

//First We define the Flasher Class
class Flasher{
  /* Flasher.  A Demonstration Class creating an object that flashes
     LEDs. 
  */

  //Classes can have Public and Private Attributes and Methods.
  //  - Private are only available within the class.
  //  - Public are available to all
  
  private:
  //Define our Class Attributes
  int delay;  //How Long to Pause between Flashes
  DigitalOut pin; //The Pin our LED is attached to
        
  public:
  //Constructor Function,  Used to Create the class.
  //NOTE: In this case we use an Initialisation List.
  
  Flasher(PinName thePin, int delayTime) : pin(thePin) {
    //PinName thePin: The Digital Pin that the LED is attached to.
    //This comes from a global Lookup table This is then passed to the
    //constructor of the Class Attribute "pin" (of type DigitalOut)
    //in ```: pin(thePin)``` of the function definition
    
    delay = delayTime;  //Set the Attribute delay, to the value of delay time
  }

  
  void flash(int times){
    /* Here we define a function available to the class */
    for (int x = 0; x< times; x++){
      pin= !pin;
      wait_ms(delay);
    }
  }
};

//Our Main Loop, as per all MBED programs.
int main() {
	//Setup some Flasher Objects
	Flasher ledOne = Flasher(LED1, 500);
	Flasher ledTwo = Flasher(LED2, 250);
	
	//Loop
	while(1){
		ledOne.flash(5);
		ledTwo.flash(10);
	}
}