/*  board: Arduino UNO clone
    application:   blink LED for sending
                   SOS when LED can be on
                   multiple pins

*/
#define BLINKDELAY  1000
//
// max index in uiPins increase/decrease
// to match number of pins in class
// LEDMorseBlink.  Perferable to use a
// dynamic array but Arduino C++ does not
// support vector typedef
#define NUMBEROFPINS 2 
class LEDMorseBlink {
  private:
    unsigned int uiBlinkDelay;
    unsigned int uiPins[NUMBEROFPINS];
    unsigned int uiMaxPin;
  public:
    LEDMorseBlink(unsigned int uiParamBlinkDelay = BLINKDELAY) {
       // set uiPins to pin numbers
       uiPins[0] = 12;
       uiPins[1] = 13;       
      for (unsigned int iIndex=0; iIndex<NUMBEROFPINS; iIndex++) {
        pinMode(uiPins[iIndex], OUTPUT);
       } 
       uiBlinkDelay = uiParamBlinkDelay;
    }
    ~LEDMorseBlink() {

    }
    void Do() {  // left in from a previous version of application to test wiring
      for (unsigned int iIndex=0; iIndex<NUMBEROFPINS; iIndex++) {
        digitalWrite(uiPins[iIndex], HIGH);
      }
      delay(uiBlinkDelay);
            for (unsigned int iIndex=0; iIndex<NUMBEROFPINS; iIndex++) {
        digitalWrite(uiPins[iIndex], LOW);
      }
      delay(uiBlinkDelay);
    }
    void Dit() {
      unsigned int uiDitTime = uiBlinkDelay / 3;
      for (unsigned int iIndex=0; iIndex<NUMBEROFPINS; iIndex++) {
        digitalWrite(uiPins[iIndex], HIGH);
      } 
      delay(uiDitTime);
      for (unsigned int iIndex=0; iIndex<NUMBEROFPINS; iIndex++) {
        digitalWrite(uiPins[iIndex], LOW);
      } 
      delay(uiDitTime);
    }
    void Dah() {     
      for (unsigned int iIndex=0; iIndex<NUMBEROFPINS; iIndex++) {
        digitalWrite(uiPins[iIndex], HIGH);
      } 
      delay(uiBlinkDelay);
      for (unsigned int iIndex=0; iIndex<NUMBEROFPINS; iIndex++) {
        digitalWrite(uiPins[iIndex], LOW);
      } 
      delay(uiBlinkDelay);
    }
    void mO() {
      Dah();
      Dah();
      Dah();
    }
    void mS() {
      Dit();
      Dit();
      Dit();
    }
    void mCharDelay() {
      delay(uiBlinkDelay);
    }
    void mWordDelay() {
      mCharDelay();
      mCharDelay();
      mCharDelay();
    }
    void DebugDitDah() {
      Dit();
      Dah();
    }
};
void setup() {
  // put your setup code here, to run once:
}

void loop() {
  // put your main code here, to run repeatedly:
  LEDMorseBlink MorseBlink;
  MorseBlink.mS();
  MorseBlink.mCharDelay();
  MorseBlink.mO();
  MorseBlink.mCharDelay();
  MorseBlink.mS();
  MorseBlink.mWordDelay();
}