Remote IR and RF Control for Sony TV and Chacon Ref:54656

iRemotuino

/*
 * iRemotuino - Remote IR and RF Control for Sony TV and Chacon Ref:54656 
 * Diogo Gomes <diogogomes@gmail.com>
 * Copyright 2012
 */

#include <IRremote.h> //http://github.com/shirriff/Arduino-IRremot
#include <RemoteTransmitter.h> //https://bitbucket.org/fuzzillogic/433mhzforarduino

IRsend irsend;

#define IRLED_PIN 3
#define RFTRANSMITTER_PIN 9
#define RF_PERIOD 493 //usecs (as detected for Chacon Ref:54656 using a 434mhz receiver and fuzzillogic example code)

#define SONY 'S'
#define RC5 'Z' //used by ZonBox (Thomson model at least)
#define RF 'R'

void setup()
{
  pinMode(IRLED_PIN, OUTPUT);     
  pinMode(RFTRANSMITTER_PIN, OUTPUT);     

  Serial.begin(9600);
}

unsigned long readCode() {
  
  // Read 8 hex characters
  if (Serial.available() < 8) return 0;
    
  unsigned long code = 0;
  for (int i = 0; i < 8; i++) {
    char ch = Serial.read();
    code = code << 4; //make way for new char
    if (ch >= '0' && ch <= '9') {
      code += ch - '0';
    } else if (ch >= 'a' && ch <= 'f') {
      code += ch - 'a' + 10;
    } else if (ch >= 'A' & ch <= 'F') {
      code += ch - 'A' + 10;
    } else {
      Serial.print("Unexpected hex char: ");
      Serial.println(ch);
      Serial.flush();
      return 0;
    }
  }
  return code; 
}

void sendIRCommand(char type, int code) {
  switch(type) {
    case SONY:
      for (int i = 0; i < 6; i++) {
        digitalWrite(IRLED_PIN, HIGH);   // set the LED on
        irsend.sendSony(code, 12); // Sony TV code
        delay(100);
        digitalWrite(IRLED_PIN, LOW);   // set the LED off
      }
      break;
    case RC5:
        digitalWrite(IRLED_PIN, HIGH);   // set the LED on
        irsend.sendRC5(code, 12);
        delay(100);
        digitalWrite(IRLED_PIN, LOW);   // set the LED off
      break;
  } 
}

void loop() {
  if (Serial.available() < 9) return;
  char type = Serial.read();
    //Reads the extra 8 chars
    unsigned long code = readCode();
    /* Debug
    Serial.print("0x");
    Serial.println(code, HEX);
    */
    switch(type) {
       case SONY:
       case RC5:
         sendIRCommand(type, code);
         break;
       case RF:
         // Retransmit the signal 8 times ( == 2^3) on pin RFTRANSMITTER. Note: no object was created!
         RemoteTransmitter::sendCode(RFTRANSMITTER_PIN, code, RF_PERIOD, 3);
         break;
       default:
         Serial.print("Unexpected type: ");
         Serial.println(type);
    }
    Serial.println("ok");
    Serial.flush();
}