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VoIP PTT

a guest May 20th, 2014 791 Never
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  1. // Goblin Engineering VoIP PTT switch V1.0
  2. // Created 20 May 2014
  3. // by Mauricio Allayme AKA Vargtassen@Hellscream-EU
  4. // Author is not responsable for any violent explosions. USE AT OWN RISK!
  5. // Code is compatible only with ATmega32u4 based Arduinos such as the Leonardo or Micro.  
  6.  
  7. // Declaring digital pins for switch input and status LED. Pedal switch is connected between Arduino GND pin and pttPin.
  8.   int pttPin = 7;
  9.   int ledPin = 9;
  10.  
  11. // Declaring what key to trigger PTT on VoIP application. Should be something you donĀ“t have keybound.
  12.   int keytoPress = '0';
  13.  
  14. // Setting variables.  
  15. void setup() {
  16.   pinMode(pttPin, INPUT_PULLUP);
  17.   pinMode(ledPin, OUTPUT);
  18.   Keyboard.begin();
  19.  
  20. // Delay to reprogram the Arduino in case of SNAFU.
  21.   delay(5000);
  22. }
  23.  
  24. // Loop checks if pttPin is pulled low, then holds the predefined key.
  25. void loop() {
  26.   if (digitalRead(pttPin) == LOW) {
  27.     Keyboard.press(keytoPress);
  28.     digitalWrite(ledPin, HIGH);
  29.   }
  30.  
  31. // When pedal switch is released, pttPin is pulled high releasing the keypress.
  32.   else {
  33.     Keyboard.releaseAll();
  34.     digitalWrite(ledPin, LOW);
  35.   }
  36. }
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