TomatoCube* C3 Robotics (Module A)

Operator Symbol	Operator Name	Description
=	Assignment operator	Stores the value to the right of the equal sign in the variable to the left of the equal sign.
+	Addition	Adds two operands.
-	Subtraction	Subtracts second operand from the first.
*	Multiplication	Multiply both operands.
/	Division	Divide first operand (numerator) by the second operand (denominator).
%	Modulo	Modulus Operator and remainder after an integer division.

Operator Symbol

Operator Name

Description

Assignment operator

Stores the value to the right of the equal sign in the variable to the left of the equal sign.

Addition

Adds two operands.

Subtraction

Subtracts second operand from the first.

Multiplication

Multiply both operands.

Division

Divide first operand (numerator) by the second operand (denominator).

Modulo

Modulus Operator and remainder after an integer division.

Source Code

/* 
 *  Ex_03 - Functions
 *  A stand-alone morse code encoder which takes a 
 *  Serial character input & convert it to morse code.
 *  
 *  LED 
 *  -- IO2
 *  
 */

#define ONBOARD_LED 2    // LED IO2
#define SHORT_DELAY 300
#define LONG_DELAY 900

char input;

void dot() {
  digitalWrite(ONBOARD_LED,HIGH); 
  delay (SHORT_DELAY); 
  digitalWrite(ONBOARD_LED,LOW); 
  delay (SHORT_DELAY);
}

void dash() {
  digitalWrite(ONBOARD_LED,HIGH); 
  delay (LONG_DELAY); 
  digitalWrite(ONBOARD_LED,LOW); 
  delay (SHORT_DELAY);
}

void shortspace() {  //delay between letters
  digitalWrite(ONBOARD_LED,LOW); 
  delay(SHORT_DELAY);
  delay(SHORT_DELAY);
}

void space() { //space bar
  digitalWrite(ONBOARD_LED,LOW); 
  delay(LONG_DELAY);
  delay(SHORT_DELAY);
}

void morseCharacter(char input) {
  char _input = input;
  _input = ((_input >= 'a') && (_input <= 'z')) ? _input - 32 : _input; //lower to upper case
  
  switch (_input) {
    case 'A':
      {dot();dash();shortspace();}break;  // A in morseCode
    case 'B':
      {dash();dot();dot();dot();shortspace();}break;
    case 'C':
      {dash();dot();dash();dot();shortspace();}break;
    case 'D':
      {dash();dot();dot();shortspace();}break;
    case 'E':
      {dot();shortspace();}break;
    case 'F':
      {dot();dot();dash();dot();shortspace();}break;
    case 'G':
      {dash();dash();dot();shortspace();}break;
    case 'H':
      {dot();dot();dot();dot();shortspace();}break;
    case 'I':
      {dot();dot();shortspace();}break;
    case 'J':
      {dot();dash();dash();dash();shortspace();} break;
    case 'K':
      {dash();dot();dash();shortspace();}
      break;
    case 'L':
      {dot();dash();dot();dot();shortspace();}break;
    case 'M':
      {dash();dash();shortspace();}break;
    case 'N':
      {dash();dot();shortspace();}break;
    case 'O':
      {dash();dash();dash();shortspace();}break;
    case 'P':
      {dot();dash();dash();dot();shortspace();}break;
    case 'Q':
      {dash();dash();dot();dash();shortspace();}break;
    case 'R':
      {dot();dash();dot();shortspace();}break;
    case 'S':
      {dot();dot();dot();shortspace();}break;
    case 'T':
      {dash();shortspace();}break;
    case 'U':
      {dot();dot();dash();shortspace();}break;
    case 'V':
      {dot();dot();dot();dash();shortspace();}break;
    case 'W':
      {dot();dash();dash();shortspace();}break;
    case 'X':
      {dash();dot();dot();dash();shortspace();}break;
    case 'Y':
      {dash();dot();dash();dash();shortspace();}break;
    case 'Z':
      {dash();dash();dot();dot();shortspace();}break;
    case '1':
      {dot();dash();dash();dash();dash();shortspace();}break; //1 in morseCode
    case '2':
      {dot();dot();dash();dash();dash();shortspace();}break;
    case '3':
      {dot();dot();dot();dash();dash();shortspace();}break;
    case '4':
      {dot();dot();dot();dot();dash();shortspace();}break;
    case '5':
      {dot();dot();dot();dot();dot();shortspace();}break;
    case '6':
      {dash();dot();dot();dot();dot();shortspace();}break;
    case '7':
      {dash();dash();dot();dot();dot();shortspace();}break;
    case '8':
      {dash();dash();dash();dot();dot();shortspace();}break;
    case '9':
      {dash();dash();dash();dash();dot();shortspace();}break;
    case '0':
      {dash();dash();dash();dash();dash();shortspace();}break;
    case ' ':
      space();break;
    default:
      shortspace();break;
  }
}
                    
void setup() {
   Serial.begin(115200); //set up serial library baud rate to 115200
   pinMode(ONBOARD_LED, OUTPUT);
   delay(1000);
   Serial.println("MorseCode encoder");
}

void loop() {
   if(Serial.available()) { //if number of bytes (characters) available for reading
      input = Serial.read();
      morseCharacter(input);
      Serial.println (input);
   }
}

Chapter 8 - Basic Programming construct - (iv) Functions