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http://learn.adafruit.com/ir-sensorhttp://www.instructables.com/id/Clone-a-Remote-with-Arduino/http://arduinolivre.wordpress.com/author/sssillas/http://arduinolivre.wordpress.com/2012/07/31/clonando-qualquer-controle-remoto/

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/* Raw IR decoder sketch!

This sketch/program uses the Arduno and a PNA4602 to decode IR received. This can be used to make a IR receiver(by looking for a particular code)or transmitter (by pulsing an IR LED at ~38KHz for thedurations detected

Code is public domain, check out www.ladyada.net and adafruit.comfor more tutorials!*/

// We need to use the 'raw' pin reading methods// because timing is very important here and the digitalRead()

// procedure is slower!//uint8_t IRpin = 2;// Digital pin #2 is the same as Pin D2 see// http://arduino.cc/en/Hacking/PinMapping168 for the 'raw' pinmapping#define IRpin_PIN PIND#define IRpin 2

// the maximum pulse we'll listen for - 65 milliseconds is a long time#define MAXPULSE 65000

// what our timing resolution should be, larger is better // as its more 'precise' - but too large and you wont get

// accurate timing#define RESOLUTION 20

// we will store up to 100 pulse pairs (this is -a lot-)uint16_t pulses[100][2]; // pair is high and low pulseuint8_t currentpulse = 0; // index for pulses we're storing

voidsetup(void) {Serial.begin(9600); Serial.println("Ready to decode IR!");}

voidloop(void) {uint16_t highpulse, lowpulse; // temporary storage timinghighpulse = lowpulse = 0; // start out with no pulse length

http://arduino.cc/en/Hacking/PinMapping168http://arduino.cc/en/Hacking/PinMapping168http://arduino.cc/en/Hacking/PinMapping168

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// while (digitalRead(IRpin)) { // this is too slow!while(IRpin_PIN & _BV(IRpin)) {// pin is still HIGH

// count off another few microseconds

highpulse++;delayMicroseconds(RESOLUTION);

// If the pulse is too long, we 'timed out' - either nothing// was received or the code is finished, so print what// we've grabbed so far, and then resetif((highpulse >= MAXPULSE) && (currentpulse != 0)) {printpulses();currentpulse=0;return;}}// we didn't time out so lets stash the reading

pulses[currentpulse][0] = highpulse;

// same as abovewhile(! (IRpin_PIN & _BV(IRpin))) {// pin is still LOWlowpulse++;delayMicroseconds(RESOLUTION); if((lowpulse >= MAXPULSE) && (currentpulse != 0)) {printpulses();currentpulse=0;return;}}

pulses[currentpulse][1] = lowpulse;

// we read one high-low pulse successfully, continue!currentpulse++;}

voidprintpulses(void) {Serial.println("\n\r\n\rReceived: \n\rOFF \tON");for(uint8_t i = 0; i < currentpulse; i++) {Serial.print(pulses[i][0] * RESOLUTION, DEC);Serial.print(" usec, ");Serial.print(pulses[i][1] * RESOLUTION, DEC);

Serial.println(" usec");

}}

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// This sketch will send out a Nikon D50 trigger signal (probably works with mosNikons)// See the full tutorial at http://www.ladyada.net/learn/sensors/ir.html // this code is public domain, please enjoy!

intIRledPin = 13; // LED connected to digital pin 13

// The setup() method runs once, when the sketch starts

voidsetup() {// initialize the IR digital pin as an output:pinMode(IRledPin, OUTPUT);

Serial.begin(9600); }

voidloop(){Serial.println("Sending IR signal");

SendChannelUpCode(); delay(500);}

// This procedure sends a 38KHz pulse to the IRledPin// for a certain # of microseconds. We'll use this whenever we need to send codevoidpulseIR(longmicrosecs) {

// we'll count down from the number of microseconds we are told to wait

cli(); // this turns off any background interrupts

http://www.ladyada.net/learn/sensors/ir.htmlhttp://www.ladyada.net/learn/sensors/ir.htmlhttp://www.ladyada.net/learn/sensors/ir.html

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while(microsecs > 0) {// 38 kHz is about 13 microseconds high and 13 microseconds lowdigitalWrite(IRledPin, HIGH); // this takes about 3 microseconds to happendelayMicroseconds(10); // hang out for 10 microsecondsdigitalWrite(IRledPin, LOW); // this also takes about 3 microseconds

delayMicroseconds(10); // hang out for 10 microseconds

// so 26 microseconds altogethermicrosecs -= 26;}

sei(); // this turns them back on}

voidSendChannelUpCode() {// This is the code for the CHANNEL + for the downstairs TV COMCASTdelayMicroseconds(); //Time off (Left Column on serial monitor)pulseIR(); //Time on (Right Column on serial monitor)delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds();

pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();delayMicroseconds(); pulseIR();

}

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