Arduino IR Receiver

irduino.ino

//
// from http://www.arcfn.com/2009/08/multi-protocol-infrared-remote-library.html
//

#include <IRremote.h>

int RECV_PIN = 11;
IRrecv irrecv(RECV_PIN);
decode_results results;

void setup()
{
  Serial.begin(9600);
  irrecv.enableIRIn(); // Start the receiver
}

void loop() {
  if (irrecv.decode(&results)) {
    Serial.println(results.value, HEX);
    irrecv.resume(); // Receive the next value
  }
}

irduino.py

#!/usr/bin/python
# coding: latin-1
#
# www.entrebits.com.br
#
import serial
import time
import sys
import os

def main():
    serial_port = '/dev/ttyACM0'

    if len(sys.argv) > 1:
        serial_port = sys.argv[1]
        
    serialFd = serial.Serial(serial_port, 9600)

    print 'configurando...'

    key_map = get_keys(serialFd)

    while True:

        data = serial_getkey(serialFd, 0.5)

        for key in key_map:
            if key_map[key] == data:
                print 'pressing {0}'.format(key)
                os.system('xdotool key {0}'.format(key))

def get_keys(fd):
    key_map = {'Left': None,
               'Right': None,
               'Up': None,
               'Down': None}

    while key_map.values().count(None):
        
        for key in key_map:
            if key_map[key] == None:
                print 'pressione o botao correspondente a tecla {0}'.format(key)
                
                data = serial_getkey(fd)

                key_map[key] = data
                print 'key={0}, value={1}'.format(key, data)
    

    return key_map

def serial_getkey(fd, debouncer=1):
    data = fd.readline()
    data = data.rstrip()
    time.sleep(debouncer)

    toFlush = fd.inWaiting()
    if toFlush: fd.read(toFlush)

    return data

if __name__ == '__main__':
    main()