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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.html
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6 *
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7 * Modified by Paul Stoffregen <paul@pjrc.com> to support other boards and timers
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8 *
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9 * Interrupt code based on NECIRrcv by Joe Knapp
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10 * http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1210243556
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11 * Also influenced by http://zovirl.com/2008/11/12/building-a-universal-remote-with-an-arduino/
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12 *
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13 * JVC and Panasonic protocol added by Kristian Lauszus (Thanks to zenwheel and other people at the original blog post)
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14 */
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15
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16 #ifndef IRremoteint_h
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17 #define IRremoteint_h
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18
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19 #if defined(ARDUINO) && ARDUINO >= 100
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20 #include <Arduino.h>
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21 #else
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22 #include <WProgram.h>
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23 #endif
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24
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25 // define which timer to use
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26 //
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27 // Uncomment the timer you wish to use on your board. If you
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28 // are using another library which uses timer2, you have options
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29 // to switch IRremote to use a different timer.
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30
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31 // Arduino Mega
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32 #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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33 //#define IR_USE_TIMER1 // tx = pin 11
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34 #define IR_USE_TIMER2 // tx = pin 9
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35 //#define IR_USE_TIMER3 // tx = pin 5
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36 //#define IR_USE_TIMER4 // tx = pin 6
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37 //#define IR_USE_TIMER5 // tx = pin 46
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38
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39 // Teensy 1.0
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40 #elif defined(__AVR_AT90USB162__)
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41 #define IR_USE_TIMER1 // tx = pin 17
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42
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43 // Teensy 2.0
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44 #elif defined(__AVR_ATmega32U4__)
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45 //#define IR_USE_TIMER1 // tx = pin 14
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46 //#define IR_USE_TIMER3 // tx = pin 9
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47 #define IR_USE_TIMER4_HS // tx = pin 10
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48
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49 // Teensy 3.0
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50 #elif defined(__MK20DX128__)
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51 #define IR_USE_TIMER_CMT // tx = pin 5
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52
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53 // Teensy++ 1.0 & 2.0
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54 #elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
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55 //#define IR_USE_TIMER1 // tx = pin 25
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56 #define IR_USE_TIMER2 // tx = pin 1
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57 //#define IR_USE_TIMER3 // tx = pin 16
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58
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59 // Sanguino
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60 #elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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61 //#define IR_USE_TIMER1 // tx = pin 13
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62 #define IR_USE_TIMER2 // tx = pin 14
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63
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64 // Atmega8
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65 #elif defined(__AVR_ATmega8P__) || defined(__AVR_ATmega8__)
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66 #define IR_USE_TIMER1 // tx = pin 9
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67
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68 // Arduino Duemilanove, Diecimila, LilyPad, Mini, Fio, etc
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69 #else
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70 //#define IR_USE_TIMER1 // tx = pin 9
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71 #define IR_USE_TIMER2 // tx = pin 3
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72 #endif
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73
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74
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75
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76 #ifdef F_CPU
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77 #define SYSCLOCK F_CPU // main Arduino clock
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78 #else
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79 #define SYSCLOCK 16000000 // main Arduino clock
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80 #endif
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81
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82 #define ERR 0
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83 #define DECODED 1
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84
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85
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86 // defines for setting and clearing register bits
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87 #ifndef cbi
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88 #define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
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89 #endif
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90 #ifndef sbi
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91 #define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
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92 #endif
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93
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94 // Pulse parms are *50-100 for the Mark and *50+100 for the space
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95 // First MARK is the one after the long gap
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96 // pulse parameters in usec
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97 #define NEC_HDR_MARK 9000
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98 #define NEC_HDR_SPACE 4500
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99 #define NEC_BIT_MARK 560
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100 #define NEC_ONE_SPACE 1600
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101 #define NEC_ZERO_SPACE 560
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102 #define NEC_RPT_SPACE 2250
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103
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104 #define SONY_HDR_MARK 2400
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105 #define SONY_HDR_SPACE 600
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106 #define SONY_ONE_MARK 1200
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107 #define SONY_ZERO_MARK 600
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108 #define SONY_RPT_LENGTH 45000
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109 #define SONY_DOUBLE_SPACE_USECS 500 // usually ssee 713 - not using ticks as get number wrapround
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110
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111 // SA 8650B
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112 #define SANYO_HDR_MARK 3500 // seen range 3500
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113 #define SANYO_HDR_SPACE 950 // seen 950
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114 #define SANYO_ONE_MARK 2400 // seen 2400
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115 #define SANYO_ZERO_MARK 700 // seen 700
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116 #define SANYO_DOUBLE_SPACE_USECS 800 // usually ssee 713 - not using ticks as get number wrapround
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117 #define SANYO_RPT_LENGTH 45000
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118
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119 // Mitsubishi RM 75501
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120 // 14200 7 41 7 42 7 42 7 17 7 17 7 18 7 41 7 18 7 17 7 17 7 18 7 41 8 17 7 17 7 18 7 17 7
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121
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122 // #define MITSUBISHI_HDR_MARK 250 // seen range 3500
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123 #define MITSUBISHI_HDR_SPACE 350 // 7*50+100
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124 #define MITSUBISHI_ONE_MARK 1950 // 41*50-100
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125 #define MITSUBISHI_ZERO_MARK 750 // 17*50-100
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126 // #define MITSUBISHI_DOUBLE_SPACE_USECS 800 // usually ssee 713 - not using ticks as get number wrapround
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127 // #define MITSUBISHI_RPT_LENGTH 45000
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128
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129
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130 #define RC5_T1 889
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131 #define RC5_RPT_LENGTH 46000
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132
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133 #define RC6_HDR_MARK 2666
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134 #define RC6_HDR_SPACE 889
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135 #define RC6_T1 444
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136 #define RC6_RPT_LENGTH 46000
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137
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138 #define SHARP_BIT_MARK 245
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139 #define SHARP_ONE_SPACE 1805
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140 #define SHARP_ZERO_SPACE 795
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141 #define SHARP_GAP 600000
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142 #define SHARP_TOGGLE_MASK 0x3FF
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143 #define SHARP_RPT_SPACE 3000
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144
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145 #define DISH_HDR_MARK 400
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146 #define DISH_HDR_SPACE 6100
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147 #define DISH_BIT_MARK 400
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148 #define DISH_ONE_SPACE 1700
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149 #define DISH_ZERO_SPACE 2800
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150 #define DISH_RPT_SPACE 6200
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151 #define DISH_TOP_BIT 0x8000
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152
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153 #define PANASONIC_HDR_MARK 3502
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154 #define PANASONIC_HDR_SPACE 1750
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155 #define PANASONIC_BIT_MARK 502
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156 #define PANASONIC_ONE_SPACE 1244
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157 #define PANASONIC_ZERO_SPACE 400
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158
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159 #define JVC_HDR_MARK 8000
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160 #define JVC_HDR_SPACE 4000
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161 #define JVC_BIT_MARK 600
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162 #define JVC_ONE_SPACE 1600
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163 #define JVC_ZERO_SPACE 550
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164 #define JVC_RPT_LENGTH 60000
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165
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166 #define LG_HDR_MARK 8000
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167 #define LG_HDR_SPACE 4000
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168 #define LG_BIT_MARK 600
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169 #define LG_ONE_SPACE 1600
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170 #define LG_ZERO_SPACE 550
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171 #define LG_RPT_LENGTH 60000
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172
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173 #define SAMSUNG_HDR_MARK 5000
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174 #define SAMSUNG_HDR_SPACE 5000
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175 #define SAMSUNG_BIT_MARK 560
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176 #define SAMSUNG_ONE_SPACE 1600
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177 #define SAMSUNG_ZERO_SPACE 560
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178 #define SAMSUNG_RPT_SPACE 2250
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179
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180
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181 #define SHARP_BITS 15
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182 #define DISH_BITS 16
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183
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184 #define TOLERANCE 25 // percent tolerance in measurements
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185 #define LTOL (1.0 - TOLERANCE/100.)
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186 #define UTOL (1.0 + TOLERANCE/100.)
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187
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188 #define _GAP 5000 // Minimum map between transmissions
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189 #define GAP_TICKS (_GAP/USECPERTICK)
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190
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191 #define TICKS_LOW(us) (int) (((us)*LTOL/USECPERTICK))
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192 #define TICKS_HIGH(us) (int) (((us)*UTOL/USECPERTICK + 1))
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193
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194 // receiver states
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195 #define STATE_IDLE 2
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196 #define STATE_MARK 3
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197 #define STATE_SPACE 4
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198 #define STATE_STOP 5
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199
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200 // information for the interrupt handler
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201 typedef struct {
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202 uint8_t recvpin; // pin for IR data from detector
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203 uint8_t rcvstate; // state machine
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204 uint8_t blinkflag; // TRUE to enable blinking of pin 13 on IR processing
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205 unsigned int timer; // state timer, counts 50uS ticks.
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206 unsigned int rawbuf[RAWBUF]; // raw data
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207 uint8_t rawlen; // counter of entries in rawbuf
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208 }
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209 irparams_t;
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210
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211 // Defined in IRremote.cpp
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212 extern volatile irparams_t irparams;
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213
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214 // IR detector output is active low
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215 #define MARK 0
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216 #define SPACE 1
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217
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218 #define TOPBIT 0x80000000
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219
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220 #define NEC_BITS 32
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221 #define SONY_BITS 12
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222 #define SANYO_BITS 12
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223 #define MITSUBISHI_BITS 16
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224 #define MIN_RC5_SAMPLES 11
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225 #define MIN_RC6_SAMPLES 1
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226 #define PANASONIC_BITS 48
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227 #define JVC_BITS 16
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228 #define LG_BITS 28
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229 #define SAMSUNG_BITS 32
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230
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231
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232
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233
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234 // defines for timer2 (8 bits)
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235 #if defined(IR_USE_TIMER2)
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236 #define TIMER_RESET
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237 #define TIMER_ENABLE_PWM (TCCR2A |= _BV(COM2B1))
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238 #define TIMER_DISABLE_PWM (TCCR2A &= ~(_BV(COM2B1)))
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239 #define TIMER_ENABLE_INTR (TIMSK2 = _BV(OCIE2A))
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240 #define TIMER_DISABLE_INTR (TIMSK2 = 0)
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241 #define TIMER_INTR_NAME TIMER2_COMPA_vect
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242 #define TIMER_CONFIG_KHZ(val) ({ \
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243 const uint8_t pwmval = SYSCLOCK / 2000 / (val); \
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244 TCCR2A = _BV(WGM20); \
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245 TCCR2B = _BV(WGM22) | _BV(CS20); \
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246 OCR2A = pwmval; \
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247 OCR2B = pwmval / 3; \
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248 })
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249 #define TIMER_COUNT_TOP (SYSCLOCK * USECPERTICK / 1000000)
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250 #if (TIMER_COUNT_TOP < 256)
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251 #define TIMER_CONFIG_NORMAL() ({ \
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252 TCCR2A = _BV(WGM21); \
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253 TCCR2B = _BV(CS20); \
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254 OCR2A = TIMER_COUNT_TOP; \
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255 TCNT2 = 0; \
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256 })
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257 #else
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258 #define TIMER_CONFIG_NORMAL() ({ \
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259 TCCR2A = _BV(WGM21); \
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260 TCCR2B = _BV(CS21); \
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261 OCR2A = TIMER_COUNT_TOP / 8; \
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262 TCNT2 = 0; \
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263 })
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264 #endif
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265 #if defined(CORE_OC2B_PIN)
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266 #define TIMER_PWM_PIN CORE_OC2B_PIN /* Teensy */
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267 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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268 #define TIMER_PWM_PIN 9 /* Arduino Mega */
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269 #elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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270 #define TIMER_PWM_PIN 14 /* Sanguino */
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271 #else
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272 #define TIMER_PWM_PIN 3 /* Arduino Duemilanove, Diecimila, LilyPad, etc */
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273 #endif
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274
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275
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276 // defines for timer1 (16 bits)
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277 #elif defined(IR_USE_TIMER1)
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278 #define TIMER_RESET
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279 #define TIMER_ENABLE_PWM (TCCR1A |= _BV(COM1A1))
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280 #define TIMER_DISABLE_PWM (TCCR1A &= ~(_BV(COM1A1)))
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281 #if defined(__AVR_ATmega8P__) || defined(__AVR_ATmega8__)
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282 #define TIMER_ENABLE_INTR (TIMSK = _BV(OCIE1A))
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283 #define TIMER_DISABLE_INTR (TIMSK = 0)
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284 #else
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285 #define TIMER_ENABLE_INTR (TIMSK1 = _BV(OCIE1A))
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286 #define TIMER_DISABLE_INTR (TIMSK1 = 0)
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287 #endif
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288 #define TIMER_INTR_NAME TIMER1_COMPA_vect
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289 #define TIMER_CONFIG_KHZ(val) ({ \
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290 const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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291 TCCR1A = _BV(WGM11); \
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292 TCCR1B = _BV(WGM13) | _BV(CS10); \
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293 ICR1 = pwmval; \
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294 OCR1A = pwmval / 3; \
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295 })
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296 #define TIMER_CONFIG_NORMAL() ({ \
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297 TCCR1A = 0; \
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298 TCCR1B = _BV(WGM12) | _BV(CS10); \
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299 OCR1A = SYSCLOCK * USECPERTICK / 1000000; \
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300 TCNT1 = 0; \
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301 })
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302 #if defined(CORE_OC1A_PIN)
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303 #define TIMER_PWM_PIN CORE_OC1A_PIN /* Teensy */
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304 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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305 #define TIMER_PWM_PIN 11 /* Arduino Mega */
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306 #elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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307 #define TIMER_PWM_PIN 13 /* Sanguino */
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308 #else
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309 #define TIMER_PWM_PIN 9 /* Arduino Duemilanove, Diecimila, LilyPad, etc */
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310 #endif
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311
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312
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313 // defines for timer3 (16 bits)
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314 #elif defined(IR_USE_TIMER3)
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315 #define TIMER_RESET
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316 #define TIMER_ENABLE_PWM (TCCR3A |= _BV(COM3A1))
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317 #define TIMER_DISABLE_PWM (TCCR3A &= ~(_BV(COM3A1)))
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318 #define TIMER_ENABLE_INTR (TIMSK3 = _BV(OCIE3A))
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319 #define TIMER_DISABLE_INTR (TIMSK3 = 0)
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320 #define TIMER_INTR_NAME TIMER3_COMPA_vect
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321 #define TIMER_CONFIG_KHZ(val) ({ \
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322 const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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323 TCCR3A = _BV(WGM31); \
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324 TCCR3B = _BV(WGM33) | _BV(CS30); \
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325 ICR3 = pwmval; \
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326 OCR3A = pwmval / 3; \
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327 })
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328 #define TIMER_CONFIG_NORMAL() ({ \
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329 TCCR3A = 0; \
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330 TCCR3B = _BV(WGM32) | _BV(CS30); \
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331 OCR3A = SYSCLOCK * USECPERTICK / 1000000; \
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332 TCNT3 = 0; \
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333 })
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334 #if defined(CORE_OC3A_PIN)
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335 #define TIMER_PWM_PIN CORE_OC3A_PIN /* Teensy */
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336 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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337 #define TIMER_PWM_PIN 5 /* Arduino Mega */
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338 #else
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339 #error "Please add OC3A pin number here\n"
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340 #endif
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341
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342
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343 // defines for timer4 (10 bits, high speed option)
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344 #elif defined(IR_USE_TIMER4_HS)
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345 #define TIMER_RESET
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346 #define TIMER_ENABLE_PWM (TCCR4A |= _BV(COM4A1))
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347 #define TIMER_DISABLE_PWM (TCCR4A &= ~(_BV(COM4A1)))
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348 #define TIMER_ENABLE_INTR (TIMSK4 = _BV(TOIE4))
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349 #define TIMER_DISABLE_INTR (TIMSK4 = 0)
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350 #define TIMER_INTR_NAME TIMER4_OVF_vect
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351 #define TIMER_CONFIG_KHZ(val) ({ \
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352 const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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353 TCCR4A = (1<<PWM4A); \
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354 TCCR4B = _BV(CS40); \
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355 TCCR4C = 0; \
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356 TCCR4D = (1<<WGM40); \
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357 TCCR4E = 0; \
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358 TC4H = pwmval >> 8; \
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359 OCR4C = pwmval; \
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360 TC4H = (pwmval / 3) >> 8; \
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361 OCR4A = (pwmval / 3) & 255; \
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362 })
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363 #define TIMER_CONFIG_NORMAL() ({ \
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364 TCCR4A = 0; \
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365 TCCR4B = _BV(CS40); \
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366 TCCR4C = 0; \
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367 TCCR4D = 0; \
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368 TCCR4E = 0; \
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369 TC4H = (SYSCLOCK * USECPERTICK / 1000000) >> 8; \
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370 OCR4C = (SYSCLOCK * USECPERTICK / 1000000) & 255; \
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371 TC4H = 0; \
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372 TCNT4 = 0; \
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373 })
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374 #if defined(CORE_OC4A_PIN)
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375 #define TIMER_PWM_PIN CORE_OC4A_PIN /* Teensy */
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376 #elif defined(__AVR_ATmega32U4__)
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377 #define TIMER_PWM_PIN 13 /* Leonardo */
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378 #else
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379 #error "Please add OC4A pin number here\n"
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380 #endif
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381
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382
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383 // defines for timer4 (16 bits)
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384 #elif defined(IR_USE_TIMER4)
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385 #define TIMER_RESET
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386 #define TIMER_ENABLE_PWM (TCCR4A |= _BV(COM4A1))
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387 #define TIMER_DISABLE_PWM (TCCR4A &= ~(_BV(COM4A1)))
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388 #define TIMER_ENABLE_INTR (TIMSK4 = _BV(OCIE4A))
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389 #define TIMER_DISABLE_INTR (TIMSK4 = 0)
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390 #define TIMER_INTR_NAME TIMER4_COMPA_vect
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391 #define TIMER_CONFIG_KHZ(val) ({ \
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392 const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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393 TCCR4A = _BV(WGM41); \
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394 TCCR4B = _BV(WGM43) | _BV(CS40); \
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395 ICR4 = pwmval; \
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396 OCR4A = pwmval / 3; \
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397 })
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398 #define TIMER_CONFIG_NORMAL() ({ \
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399 TCCR4A = 0; \
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400 TCCR4B = _BV(WGM42) | _BV(CS40); \
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401 OCR4A = SYSCLOCK * USECPERTICK / 1000000; \
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402 TCNT4 = 0; \
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403 })
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404 #if defined(CORE_OC4A_PIN)
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405 #define TIMER_PWM_PIN CORE_OC4A_PIN
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406 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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407 #define TIMER_PWM_PIN 6 /* Arduino Mega */
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408 #else
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409 #error "Please add OC4A pin number here\n"
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410 #endif
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411
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412
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413 // defines for timer5 (16 bits)
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414 #elif defined(IR_USE_TIMER5)
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415 #define TIMER_RESET
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416 #define TIMER_ENABLE_PWM (TCCR5A |= _BV(COM5A1))
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417 #define TIMER_DISABLE_PWM (TCCR5A &= ~(_BV(COM5A1)))
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418 #define TIMER_ENABLE_INTR (TIMSK5 = _BV(OCIE5A))
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419 #define TIMER_DISABLE_INTR (TIMSK5 = 0)
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420 #define TIMER_INTR_NAME TIMER5_COMPA_vect
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421 #define TIMER_CONFIG_KHZ(val) ({ \
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422 const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
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423 TCCR5A = _BV(WGM51); \
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424 TCCR5B = _BV(WGM53) | _BV(CS50); \
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425 ICR5 = pwmval; \
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426 OCR5A = pwmval / 3; \
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427 })
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428 #define TIMER_CONFIG_NORMAL() ({ \
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429 TCCR5A = 0; \
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430 TCCR5B = _BV(WGM52) | _BV(CS50); \
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431 OCR5A = SYSCLOCK * USECPERTICK / 1000000; \
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432 TCNT5 = 0; \
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433 })
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434 #if defined(CORE_OC5A_PIN)
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435 #define TIMER_PWM_PIN CORE_OC5A_PIN
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436 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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437 #define TIMER_PWM_PIN 46 /* Arduino Mega */
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438 #else
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439 #error "Please add OC5A pin number here\n"
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440 #endif
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441
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442
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443 // defines for special carrier modulator timer
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444 #elif defined(IR_USE_TIMER_CMT)
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445 #define TIMER_RESET ({ \
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446 uint8_t tmp = CMT_MSC; \
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447 CMT_CMD2 = 30; \
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448 })
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449 #define TIMER_ENABLE_PWM CORE_PIN5_CONFIG = PORT_PCR_MUX(2)|PORT_PCR_DSE|PORT_PCR_SRE
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450 #define TIMER_DISABLE_PWM CORE_PIN5_CONFIG = PORT_PCR_MUX(1)|PORT_PCR_DSE|PORT_PCR_SRE
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451 #define TIMER_ENABLE_INTR NVIC_ENABLE_IRQ(IRQ_CMT)
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452 #define TIMER_DISABLE_INTR NVIC_DISABLE_IRQ(IRQ_CMT)
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453 #define TIMER_INTR_NAME cmt_isr
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454 #ifdef ISR
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455 #undef ISR
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456 #endif
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457 #define ISR(f) void f(void)
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458 #if F_BUS == 48000000
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459 #define CMT_PPS_VAL 5
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460 #else
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461 #define CMT_PPS_VAL 2
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462 #endif
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463 #define TIMER_CONFIG_KHZ(val) ({ \
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464 SIM_SCGC4 |= SIM_SCGC4_CMT; \
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465 SIM_SOPT2 |= SIM_SOPT2_PTD7PAD; \
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466 CMT_PPS = CMT_PPS_VAL; \
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467 CMT_CGH1 = 2667 / val; \
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468 CMT_CGL1 = 5333 / val; \
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469 CMT_CMD1 = 0; \
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470 CMT_CMD2 = 30; \
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471 CMT_CMD3 = 0; \
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472 CMT_CMD4 = 0; \
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473 CMT_OC = 0x60; \
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474 CMT_MSC = 0x01; \
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475 })
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476 #define TIMER_CONFIG_NORMAL() ({ \
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477 SIM_SCGC4 |= SIM_SCGC4_CMT; \
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478 CMT_PPS = CMT_PPS_VAL; \
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479 CMT_CGH1 = 1; \
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480 CMT_CGL1 = 1; \
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481 CMT_CMD1 = 0; \
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482 CMT_CMD2 = 30; \
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483 CMT_CMD3 = 0; \
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484 CMT_CMD4 = 19; \
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485 CMT_OC = 0; \
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486 CMT_MSC = 0x03; \
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487 })
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488 #define TIMER_PWM_PIN 5
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489
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490
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491 #else // unknown timer
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492 #error "Internal code configuration error, no known IR_USE_TIMER# defined\n"
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493 #endif
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494
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495
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496 // defines for blinking the LED
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497 #if defined(CORE_LED0_PIN)
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498 #define BLINKLED CORE_LED0_PIN
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499 #define BLINKLED_ON() (digitalWrite(CORE_LED0_PIN, HIGH))
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500 #define BLINKLED_OFF() (digitalWrite(CORE_LED0_PIN, LOW))
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501 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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502 #define BLINKLED 13
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503 #define BLINKLED_ON() (PORTB |= B10000000)
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504 #define BLINKLED_OFF() (PORTB &= B01111111)
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505 #elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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506 #define BLINKLED 0
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507 #define BLINKLED_ON() (PORTD |= B00000001)
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508 #define BLINKLED_OFF() (PORTD &= B11111110)
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509 #else
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510 #define BLINKLED 13
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511 #define BLINKLED_ON() (PORTB |= B00100000)
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512 #define BLINKLED_OFF() (PORTB &= B11011111)
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513 #endif
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514
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515 #endif
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