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155
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1 /*
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2 * IRremote
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3 * Version 0.1 July, 2009
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4 * Copyright 2009 Ken Shirriff
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5 * For details, see http://arcfn.com/2009/08/multi-protocol-infrared-remote-library.htm http://arcfn.com
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6 * Edited by Mitra to add new controller SANYO
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7 *
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8 * Interrupt code based on NECIRrcv by Joe Knapp
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9 * http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
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10 * Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/
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11 *
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12 * JVC and Panasonic protocol added by Kristian Lauszus (Thanks to zenwheel and other people at the original blog post)
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13 * LG added by Darryl Smith (based on the JVC protocol)
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14 */
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15
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16 #ifndef IRremote_h
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17 #define IRremote_h
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18
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19 // The following are compile-time library options.
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20 // If you change them, recompile the library.
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21 // If DEBUG is defined, a lot of debugging output will be printed during decoding.
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22 // TEST must be defined for the IRtest unittests to work. It will make some
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23 // methods virtual, which will be slightly slower, which is why it is optional.
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24 // #define DEBUG
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25 // #define TEST
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26
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27 // Results returned from the decoder
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28 class decode_results {
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29 public:
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30 int decode_type; // NEC, SONY, RC5, UNKNOWN
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31 union { // This is used for decoding Panasonic and Sharp data
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32 unsigned int panasonicAddress;
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33 unsigned int sharpAddress;
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34 };
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35 unsigned long value; // Decoded value
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36 int bits; // Number of bits in decoded value
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37 volatile unsigned int *rawbuf; // Raw intervals in .5 us ticks
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38 int rawlen; // Number of records in rawbuf.
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39 };
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40
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41 // Values for decode_type
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42 #define NEC 1
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43 #define SONY 2
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44 #define RC5 3
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45 #define RC6 4
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46 #define DISH 5
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47 #define SHARP 6
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48 #define PANASONIC 7
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49 #define JVC 8
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50 #define SANYO 9
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51 #define MITSUBISHI 10
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52 #define SAMSUNG 11
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53 #define LG 12
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54 #define UNKNOWN -1
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55
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56 // Decoded value for NEC when a repeat code is received
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57 #define REPEAT 0xffffffff
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58
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59 // main class for receiving IR
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60 class IRrecv
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61 {
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62 public:
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63 IRrecv(int recvpin);
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64 void blink13(int blinkflag);
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65 int decode(decode_results *results);
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66 void enableIRIn();
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67 void resume();
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68 private:
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69 // These are called by decode
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70 int getRClevel(decode_results *results, int *offset, int *used, int t1);
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71 long decodeNEC(decode_results *results);
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72 long decodeSony(decode_results *results);
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73 long decodeSanyo(decode_results *results);
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74 long decodeMitsubishi(decode_results *results);
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75 long decodeRC5(decode_results *results);
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76 long decodeRC6(decode_results *results);
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77 long decodePanasonic(decode_results *results);
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78 long decodeLG(decode_results *results);
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79 long decodeJVC(decode_results *results);
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80 long decodeSAMSUNG(decode_results *results);
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81 long decodeHash(decode_results *results);
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82 int compare(unsigned int oldval, unsigned int newval);
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83
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84 }
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85 ;
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86
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87 // Only used for testing; can remove virtual for shorter code
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88 #ifdef TEST
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89 #define VIRTUAL virtual
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90 #else
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91 #define VIRTUAL
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92 #endif
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93
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94 class IRsend
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95 {
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96 public:
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97 IRsend() {}
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98 void sendNEC(unsigned long data, int nbits);
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99 void sendSony(unsigned long data, int nbits);
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100 // Neither Sanyo nor Mitsubishi send is implemented yet
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101 // void sendSanyo(unsigned long data, int nbits);
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102 // void sendMitsubishi(unsigned long data, int nbits);
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103 void sendRaw(unsigned int buf[], int len, int hz);
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104 void sendRC5(unsigned long data, int nbits);
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105 void sendRC6(unsigned long data, int nbits);
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106 void sendDISH(unsigned long data, int nbits);
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107 void sendSharp(unsigned int address, unsigned int command);
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108 void sendSharpRaw(unsigned long data, int nbits);
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109 void sendPanasonic(unsigned int address, unsigned long data);
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110 void sendJVC(unsigned long data, int nbits, int repeat); // *Note instead of sending the REPEAT constant if you want the JVC repeat signal sent, send the original code value and change the repeat argument from 0 to 1. JVC protocol repeats by skipping the header NOT by sending a separate code value like NEC does.
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111 // private:
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112 void sendSAMSUNG(unsigned long data, int nbits);
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113 void enableIROut(int khz);
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114 VIRTUAL void mark(int usec);
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115 VIRTUAL void space(int usec);
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116 }
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117 ;
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118
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119 // Some useful constants
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120
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121 #define USECPERTICK 50 // microseconds per clock interrupt tick
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122 #define RAWBUF 100 // Length of raw duration buffer
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123
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124 // Marks tend to be 100us too long, and spaces 100us too short
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125 // when received due to sensor lag.
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126 #define MARK_EXCESS 100
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127
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128 #endif
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