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1 /*
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2 * IRremote: IRrecvDemo - demonstrates receiving IR codes with IRrecv
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3 * An IR detector/demodulator must be connected to the input RECV_PIN.
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4 * Version 0.1 July, 2009
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5 * Copyright 2009 Ken Shirriff
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6 * http://arcfn.com
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7 */
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8
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9 #include <IRremote.h>
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10
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11 int RECV_PIN = 11;
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12 int RELAY_PIN = 4;
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13
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14 IRrecv irrecv(RECV_PIN);
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15 decode_results results;
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16
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17 // Dumps out the decode_results structure.
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18 // Call this after IRrecv::decode()
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19 // void * to work around compiler issue
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20 //void dump(void *v) {
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21 // decode_results *results = (decode_results *)v
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22 void dump(decode_results *results) {
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23 int count = results->rawlen;
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24 if (results->decode_type == UNKNOWN) {
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25 Serial.println("Could not decode message");
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26 }
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27 else {
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28 if (results->decode_type == NEC) {
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29 Serial.print("Decoded NEC: ");
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30 }
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31 else if (results->decode_type == SONY) {
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32 Serial.print("Decoded SONY: ");
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33 }
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34 else if (results->decode_type == RC5) {
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35 Serial.print("Decoded RC5: ");
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36 }
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37 else if (results->decode_type == RC6) {
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38 Serial.print("Decoded RC6: ");
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39 }
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40 Serial.print(results->value, HEX);
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41 Serial.print(" (");
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42 Serial.print(results->bits, DEC);
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43 Serial.println(" bits)");
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44 }
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45 Serial.print("Raw (");
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46 Serial.print(count, DEC);
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47 Serial.print("): ");
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48
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49 for (int i = 0; i < count; i++) {
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50 if ((i % 2) == 1) {
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51 Serial.print(results->rawbuf[i]*USECPERTICK, DEC);
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52 }
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53 else {
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54 Serial.print(-(int)results->rawbuf[i]*USECPERTICK, DEC);
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55 }
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56 Serial.print(" ");
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57 }
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58 Serial.println("");
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59 }
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60
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61 void setup()
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62 {
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63 pinMode(RELAY_PIN, OUTPUT);
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64 pinMode(13, OUTPUT);
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65 Serial.begin(9600);
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66 irrecv.enableIRIn(); // Start the receiver
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67 }
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68
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69 int on = 0;
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70 unsigned long last = millis();
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71
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72 void loop() {
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73 if (irrecv.decode(&results)) {
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74 // If it's been at least 1/4 second since the last
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75 // IR received, toggle the relay
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76 if (millis() - last > 250) {
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77 on = !on;
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78 digitalWrite(RELAY_PIN, on ? HIGH : LOW);
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79 digitalWrite(13, on ? HIGH : LOW);
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80 dump(&results);
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81 }
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82 last = millis();
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83 irrecv.resume(); // Receive the next value
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84 }
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85 }
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