forked RemoteIR
Fork of RemoteIR by
ReceiverIR.cpp@12:d86179332137, 2018-03-17 (annotated)
- Committer:
- misodengaku
- Date:
- Sat Mar 17 14:42:15 2018 +0000
- Revision:
- 12:d86179332137
- Parent:
- 11:268cc2ab63bd
support level inversion
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| shintamainjp | 0:ec264f4ce158 | 1 | /** |
| shintamainjp | 9:dcfdac59ef74 | 2 | * IR receiver (Version 0.0.4) |
| shintamainjp | 0:ec264f4ce158 | 3 | * |
| shintamainjp | 0:ec264f4ce158 | 4 | * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) |
| shintamainjp | 0:ec264f4ce158 | 5 | * http://shinta.main.jp/ |
| shintamainjp | 0:ec264f4ce158 | 6 | */ |
| shintamainjp | 0:ec264f4ce158 | 7 | |
| shintamainjp | 0:ec264f4ce158 | 8 | #include "ReceiverIR.h" |
| shintamainjp | 0:ec264f4ce158 | 9 | |
| shintamainjp | 10:c54fb1204d1e | 10 | #define LOCK() |
| shintamainjp | 10:c54fb1204d1e | 11 | #define UNLOCK() |
| shintamainjp | 0:ec264f4ce158 | 12 | |
| shintamainjp | 0:ec264f4ce158 | 13 | #define InRange(x,y) ((((y) * 0.7) < (x)) && ((x) < ((y) * 1.3))) |
| shintamainjp | 0:ec264f4ce158 | 14 | |
| shintamainjp | 9:dcfdac59ef74 | 15 | /** |
| shintamainjp | 9:dcfdac59ef74 | 16 | * Constructor. |
| shintamainjp | 9:dcfdac59ef74 | 17 | * |
| shintamainjp | 9:dcfdac59ef74 | 18 | * @param rxpin Pin for receive IR signal. |
| shintamainjp | 9:dcfdac59ef74 | 19 | */ |
| misodengaku | 12:d86179332137 | 20 | ReceiverIR::ReceiverIR(PinName rxpin, bool rxInversion) : evt(rxpin) |
| misodengaku | 12:d86179332137 | 21 | { |
| shintamainjp | 9:dcfdac59ef74 | 22 | init_state(); |
| misodengaku | 12:d86179332137 | 23 | if (rxInversion) { |
| misodengaku | 12:d86179332137 | 24 | evt.fall(this, &ReceiverIR::isr_rise); |
| misodengaku | 12:d86179332137 | 25 | evt.rise(this, &ReceiverIR::isr_fall); |
| misodengaku | 12:d86179332137 | 26 | |
| misodengaku | 12:d86179332137 | 27 | } else { |
| misodengaku | 12:d86179332137 | 28 | evt.fall(this, &ReceiverIR::isr_fall); |
| misodengaku | 12:d86179332137 | 29 | evt.rise(this, &ReceiverIR::isr_rise); |
| misodengaku | 12:d86179332137 | 30 | } |
| shintamainjp | 0:ec264f4ce158 | 31 | evt.mode(PullUp); |
| shintamainjp | 0:ec264f4ce158 | 32 | ticker.attach_us(this, &ReceiverIR::isr_wdt, 10 * 1000); |
| shintamainjp | 0:ec264f4ce158 | 33 | } |
| shintamainjp | 0:ec264f4ce158 | 34 | |
| shintamainjp | 9:dcfdac59ef74 | 35 | /** |
| shintamainjp | 9:dcfdac59ef74 | 36 | * Destructor. |
| shintamainjp | 9:dcfdac59ef74 | 37 | */ |
| misodengaku | 12:d86179332137 | 38 | ReceiverIR::~ReceiverIR() |
| misodengaku | 12:d86179332137 | 39 | { |
| shintamainjp | 1:4adf16017a0f | 40 | } |
| shintamainjp | 1:4adf16017a0f | 41 | |
| shintamainjp | 9:dcfdac59ef74 | 42 | /** |
| shintamainjp | 9:dcfdac59ef74 | 43 | * Get state. |
| shintamainjp | 9:dcfdac59ef74 | 44 | * |
| shintamainjp | 9:dcfdac59ef74 | 45 | * @return Current state. |
| shintamainjp | 9:dcfdac59ef74 | 46 | */ |
| misodengaku | 12:d86179332137 | 47 | ReceiverIR::State ReceiverIR::getState() |
| misodengaku | 12:d86179332137 | 48 | { |
| shintamainjp | 9:dcfdac59ef74 | 49 | LOCK(); |
| shintamainjp | 9:dcfdac59ef74 | 50 | State s = work.state; |
| shintamainjp | 9:dcfdac59ef74 | 51 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 52 | return s; |
| shintamainjp | 0:ec264f4ce158 | 53 | } |
| shintamainjp | 0:ec264f4ce158 | 54 | |
| shintamainjp | 9:dcfdac59ef74 | 55 | /** |
| shintamainjp | 9:dcfdac59ef74 | 56 | * Get data. |
| shintamainjp | 9:dcfdac59ef74 | 57 | * |
| shintamainjp | 9:dcfdac59ef74 | 58 | * @param format Pointer to format. |
| shintamainjp | 9:dcfdac59ef74 | 59 | * @param buf Buffer of a data. |
| shintamainjp | 9:dcfdac59ef74 | 60 | * @param bitlength Bit length of the buffer. |
| shintamainjp | 9:dcfdac59ef74 | 61 | * |
| shintamainjp | 9:dcfdac59ef74 | 62 | * @return Data bit length. |
| shintamainjp | 9:dcfdac59ef74 | 63 | */ |
| misodengaku | 12:d86179332137 | 64 | int ReceiverIR::getData(RemoteIR::Format *format, uint8_t *buf, int bitlength) |
| misodengaku | 12:d86179332137 | 65 | { |
| shintamainjp | 9:dcfdac59ef74 | 66 | LOCK(); |
| shintamainjp | 0:ec264f4ce158 | 67 | |
| shintamainjp | 4:2304646f6ff5 | 68 | if (bitlength < data.bitcount) { |
| shintamainjp | 9:dcfdac59ef74 | 69 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 70 | return -1; |
| shintamainjp | 0:ec264f4ce158 | 71 | } |
| shintamainjp | 0:ec264f4ce158 | 72 | |
| shintamainjp | 9:dcfdac59ef74 | 73 | const int nbits = data.bitcount; |
| shintamainjp | 6:e57504fc802e | 74 | const int nbytes = data.bitcount / 8 + (((data.bitcount % 8) != 0) ? 1 : 0); |
| shintamainjp | 0:ec264f4ce158 | 75 | *format = data.format; |
| shintamainjp | 5:e158c85c55ff | 76 | for (int i = 0; i < nbytes; i++) { |
| shintamainjp | 0:ec264f4ce158 | 77 | buf[i] = data.buffer[i]; |
| shintamainjp | 0:ec264f4ce158 | 78 | } |
| shintamainjp | 0:ec264f4ce158 | 79 | |
| shintamainjp | 0:ec264f4ce158 | 80 | init_state(); |
| shintamainjp | 0:ec264f4ce158 | 81 | |
| shintamainjp | 9:dcfdac59ef74 | 82 | UNLOCK(); |
| shintamainjp | 9:dcfdac59ef74 | 83 | return nbits; |
| shintamainjp | 0:ec264f4ce158 | 84 | } |
| shintamainjp | 0:ec264f4ce158 | 85 | |
| misodengaku | 12:d86179332137 | 86 | void ReceiverIR::init_state(void) |
| misodengaku | 12:d86179332137 | 87 | { |
| shintamainjp | 0:ec264f4ce158 | 88 | work.c1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 89 | work.c2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 90 | work.c3 = -1; |
| shintamainjp | 0:ec264f4ce158 | 91 | work.d1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 92 | work.d2 = -1; |
| shintamainjp | 9:dcfdac59ef74 | 93 | work.state = Idle; |
| shintamainjp | 0:ec264f4ce158 | 94 | data.format = RemoteIR::UNKNOWN; |
| shintamainjp | 0:ec264f4ce158 | 95 | data.bitcount = 0; |
| shintamainjp | 0:ec264f4ce158 | 96 | timer.stop(); |
| shintamainjp | 0:ec264f4ce158 | 97 | timer.reset(); |
| shintamainjp | 0:ec264f4ce158 | 98 | for (int i = 0; i < sizeof(data.buffer); i++) { |
| shintamainjp | 0:ec264f4ce158 | 99 | data.buffer[i] = 0; |
| shintamainjp | 0:ec264f4ce158 | 100 | } |
| shintamainjp | 0:ec264f4ce158 | 101 | } |
| shintamainjp | 0:ec264f4ce158 | 102 | |
| misodengaku | 12:d86179332137 | 103 | void ReceiverIR::isr_wdt(void) |
| misodengaku | 12:d86179332137 | 104 | { |
| shintamainjp | 9:dcfdac59ef74 | 105 | LOCK(); |
| shintamainjp | 0:ec264f4ce158 | 106 | static int cnt = 0; |
| shintamainjp | 9:dcfdac59ef74 | 107 | if ((Idle != work.state) || ((0 <= work.c1) || (0 <= work.c2) || (0 <= work.c3) || (0 <= work.d1) || (0 <= work.d2))) { |
| shintamainjp | 0:ec264f4ce158 | 108 | cnt++; |
| shintamainjp | 0:ec264f4ce158 | 109 | if (cnt > 50) { |
| shintamainjp | 11:268cc2ab63bd | 110 | #if 0 |
| shintamainjp | 0:ec264f4ce158 | 111 | printf("# WDT [c1=%d, c2=%d, c3=%d, d1=%d, d2=%d, state=%d, format=%d, bitcount=%d]\n", |
| shintamainjp | 0:ec264f4ce158 | 112 | work.c1, |
| shintamainjp | 0:ec264f4ce158 | 113 | work.c2, |
| shintamainjp | 0:ec264f4ce158 | 114 | work.c3, |
| shintamainjp | 0:ec264f4ce158 | 115 | work.d1, |
| shintamainjp | 0:ec264f4ce158 | 116 | work.d2, |
| shintamainjp | 9:dcfdac59ef74 | 117 | work.state, |
| shintamainjp | 0:ec264f4ce158 | 118 | data.format, |
| shintamainjp | 0:ec264f4ce158 | 119 | data.bitcount); |
| shintamainjp | 0:ec264f4ce158 | 120 | #endif |
| shintamainjp | 0:ec264f4ce158 | 121 | init_state(); |
| shintamainjp | 0:ec264f4ce158 | 122 | cnt = 0; |
| shintamainjp | 0:ec264f4ce158 | 123 | } |
| shintamainjp | 0:ec264f4ce158 | 124 | } else { |
| shintamainjp | 0:ec264f4ce158 | 125 | cnt = 0; |
| shintamainjp | 0:ec264f4ce158 | 126 | } |
| shintamainjp | 9:dcfdac59ef74 | 127 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 128 | } |
| shintamainjp | 0:ec264f4ce158 | 129 | |
| misodengaku | 12:d86179332137 | 130 | void ReceiverIR::isr_fall(void) |
| misodengaku | 12:d86179332137 | 131 | { |
| shintamainjp | 9:dcfdac59ef74 | 132 | LOCK(); |
| shintamainjp | 9:dcfdac59ef74 | 133 | switch (work.state) { |
| shintamainjp | 0:ec264f4ce158 | 134 | case Idle: |
| shintamainjp | 0:ec264f4ce158 | 135 | if (work.c1 < 0) { |
| shintamainjp | 0:ec264f4ce158 | 136 | timer.start(); |
| shintamainjp | 0:ec264f4ce158 | 137 | work.c1 = timer.read_us(); |
| shintamainjp | 0:ec264f4ce158 | 138 | } else { |
| shintamainjp | 0:ec264f4ce158 | 139 | work.c3 = timer.read_us(); |
| shintamainjp | 0:ec264f4ce158 | 140 | int a = work.c2 - work.c1; |
| shintamainjp | 0:ec264f4ce158 | 141 | int b = work.c3 - work.c2; |
| shintamainjp | 11:268cc2ab63bd | 142 | if (InRange(a, RemoteIR::TUS_NEC * 16) && InRange(b, RemoteIR::TUS_NEC * 8)) { |
| shintamainjp | 0:ec264f4ce158 | 143 | /* |
| shintamainjp | 0:ec264f4ce158 | 144 | * NEC. |
| shintamainjp | 0:ec264f4ce158 | 145 | */ |
| shintamainjp | 0:ec264f4ce158 | 146 | data.format = RemoteIR::NEC; |
| shintamainjp | 9:dcfdac59ef74 | 147 | work.state = Receiving; |
| shintamainjp | 0:ec264f4ce158 | 148 | data.bitcount = 0; |
| shintamainjp | 11:268cc2ab63bd | 149 | } else if (InRange(a, RemoteIR::TUS_NEC * 16) && InRange(b, RemoteIR::TUS_NEC * 4)) { |
| shintamainjp | 0:ec264f4ce158 | 150 | /* |
| shintamainjp | 0:ec264f4ce158 | 151 | * NEC Repeat. |
| shintamainjp | 0:ec264f4ce158 | 152 | */ |
| shintamainjp | 3:dfed23b157e6 | 153 | data.format = RemoteIR::NEC_REPEAT; |
| shintamainjp | 9:dcfdac59ef74 | 154 | work.state = Received; |
| shintamainjp | 0:ec264f4ce158 | 155 | data.bitcount = 0; |
| shintamainjp | 3:dfed23b157e6 | 156 | work.c1 = -1; |
| shintamainjp | 3:dfed23b157e6 | 157 | work.c2 = -1; |
| shintamainjp | 3:dfed23b157e6 | 158 | work.c3 = -1; |
| shintamainjp | 3:dfed23b157e6 | 159 | work.d1 = -1; |
| shintamainjp | 3:dfed23b157e6 | 160 | work.d2 = -1; |
| shintamainjp | 11:268cc2ab63bd | 161 | } else if (InRange(a, RemoteIR::TUS_AEHA * 8) && InRange(b, RemoteIR::TUS_AEHA * 4)) { |
| shintamainjp | 0:ec264f4ce158 | 162 | /* |
| shintamainjp | 0:ec264f4ce158 | 163 | * AEHA. |
| shintamainjp | 0:ec264f4ce158 | 164 | */ |
| shintamainjp | 0:ec264f4ce158 | 165 | data.format = RemoteIR::AEHA; |
| shintamainjp | 9:dcfdac59ef74 | 166 | work.state = Receiving; |
| shintamainjp | 0:ec264f4ce158 | 167 | data.bitcount = 0; |
| shintamainjp | 11:268cc2ab63bd | 168 | } else if (InRange(a, RemoteIR::TUS_AEHA * 8) && InRange(b, RemoteIR::TUS_AEHA * 8)) { |
| shintamainjp | 0:ec264f4ce158 | 169 | /* |
| shintamainjp | 0:ec264f4ce158 | 170 | * AEHA Repeat. |
| shintamainjp | 0:ec264f4ce158 | 171 | */ |
| shintamainjp | 3:dfed23b157e6 | 172 | data.format = RemoteIR::AEHA_REPEAT; |
| shintamainjp | 9:dcfdac59ef74 | 173 | work.state = Received; |
| shintamainjp | 0:ec264f4ce158 | 174 | data.bitcount = 0; |
| shintamainjp | 3:dfed23b157e6 | 175 | work.c1 = -1; |
| shintamainjp | 3:dfed23b157e6 | 176 | work.c2 = -1; |
| shintamainjp | 3:dfed23b157e6 | 177 | work.c3 = -1; |
| shintamainjp | 3:dfed23b157e6 | 178 | work.d1 = -1; |
| shintamainjp | 3:dfed23b157e6 | 179 | work.d2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 180 | } else { |
| shintamainjp | 0:ec264f4ce158 | 181 | init_state(); |
| shintamainjp | 0:ec264f4ce158 | 182 | } |
| shintamainjp | 0:ec264f4ce158 | 183 | } |
| shintamainjp | 0:ec264f4ce158 | 184 | break; |
| shintamainjp | 0:ec264f4ce158 | 185 | case Receiving: |
| shintamainjp | 0:ec264f4ce158 | 186 | if (RemoteIR::NEC == data.format) { |
| shintamainjp | 0:ec264f4ce158 | 187 | work.d2 = timer.read_us(); |
| shintamainjp | 0:ec264f4ce158 | 188 | int a = work.d2 - work.d1; |
| shintamainjp | 11:268cc2ab63bd | 189 | if (InRange(a, RemoteIR::TUS_NEC * 3)) { |
| shintamainjp | 0:ec264f4ce158 | 190 | data.buffer[data.bitcount / 8] |= (1 << (data.bitcount % 8)); |
| shintamainjp | 11:268cc2ab63bd | 191 | } else if (InRange(a, RemoteIR::TUS_NEC * 1)) { |
| shintamainjp | 0:ec264f4ce158 | 192 | data.buffer[data.bitcount / 8] &= ~(1 << (data.bitcount % 8)); |
| shintamainjp | 0:ec264f4ce158 | 193 | } |
| shintamainjp | 0:ec264f4ce158 | 194 | data.bitcount++; |
| shintamainjp | 3:dfed23b157e6 | 195 | #if 0 |
| shintamainjp | 0:ec264f4ce158 | 196 | /* |
| shintamainjp | 0:ec264f4ce158 | 197 | * Length of NEC is always 32 bits. |
| shintamainjp | 0:ec264f4ce158 | 198 | */ |
| shintamainjp | 0:ec264f4ce158 | 199 | if (32 <= data.bitcount) { |
| shintamainjp | 0:ec264f4ce158 | 200 | data.state = Received; |
| shintamainjp | 0:ec264f4ce158 | 201 | work.c1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 202 | work.c2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 203 | work.c3 = -1; |
| shintamainjp | 0:ec264f4ce158 | 204 | work.d1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 205 | work.d2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 206 | } |
| shintamainjp | 0:ec264f4ce158 | 207 | #else |
| shintamainjp | 0:ec264f4ce158 | 208 | /* |
| shintamainjp | 0:ec264f4ce158 | 209 | * Set timeout for tail detection automatically. |
| shintamainjp | 0:ec264f4ce158 | 210 | */ |
| shintamainjp | 0:ec264f4ce158 | 211 | timeout.detach(); |
| shintamainjp | 11:268cc2ab63bd | 212 | timeout.attach_us(this, &ReceiverIR::isr_timeout, RemoteIR::TUS_NEC * 5); |
| shintamainjp | 0:ec264f4ce158 | 213 | #endif |
| shintamainjp | 0:ec264f4ce158 | 214 | } else if (RemoteIR::AEHA == data.format) { |
| shintamainjp | 0:ec264f4ce158 | 215 | work.d2 = timer.read_us(); |
| shintamainjp | 0:ec264f4ce158 | 216 | int a = work.d2 - work.d1; |
| shintamainjp | 11:268cc2ab63bd | 217 | if (InRange(a, RemoteIR::TUS_AEHA * 3)) { |
| shintamainjp | 0:ec264f4ce158 | 218 | data.buffer[data.bitcount / 8] |= (1 << (data.bitcount % 8)); |
| shintamainjp | 11:268cc2ab63bd | 219 | } else if (InRange(a, RemoteIR::TUS_AEHA * 1)) { |
| shintamainjp | 0:ec264f4ce158 | 220 | data.buffer[data.bitcount / 8] &= ~(1 << (data.bitcount % 8)); |
| shintamainjp | 0:ec264f4ce158 | 221 | } |
| shintamainjp | 0:ec264f4ce158 | 222 | data.bitcount++; |
| shintamainjp | 3:dfed23b157e6 | 223 | #if 0 |
| shintamainjp | 0:ec264f4ce158 | 224 | /* |
| shintamainjp | 0:ec264f4ce158 | 225 | * Typical length of AEHA is 48 bits. |
| shintamainjp | 0:ec264f4ce158 | 226 | * Please check a specification of your remote controller if you find a problem. |
| shintamainjp | 0:ec264f4ce158 | 227 | */ |
| shintamainjp | 0:ec264f4ce158 | 228 | if (48 <= data.bitcount) { |
| shintamainjp | 0:ec264f4ce158 | 229 | data.state = Received; |
| shintamainjp | 0:ec264f4ce158 | 230 | work.c1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 231 | work.c2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 232 | work.c3 = -1; |
| shintamainjp | 0:ec264f4ce158 | 233 | work.d1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 234 | work.d2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 235 | } |
| shintamainjp | 0:ec264f4ce158 | 236 | #else |
| shintamainjp | 0:ec264f4ce158 | 237 | /* |
| shintamainjp | 0:ec264f4ce158 | 238 | * Set timeout for tail detection automatically. |
| shintamainjp | 0:ec264f4ce158 | 239 | */ |
| shintamainjp | 0:ec264f4ce158 | 240 | timeout.detach(); |
| shintamainjp | 11:268cc2ab63bd | 241 | timeout.attach_us(this, &ReceiverIR::isr_timeout, RemoteIR::TUS_AEHA * 5); |
| shintamainjp | 0:ec264f4ce158 | 242 | #endif |
| shintamainjp | 0:ec264f4ce158 | 243 | } else if (RemoteIR::SONY == data.format) { |
| shintamainjp | 0:ec264f4ce158 | 244 | work.d1 = timer.read_us(); |
| shintamainjp | 0:ec264f4ce158 | 245 | } |
| shintamainjp | 0:ec264f4ce158 | 246 | break; |
| shintamainjp | 0:ec264f4ce158 | 247 | case Received: |
| shintamainjp | 0:ec264f4ce158 | 248 | break; |
| shintamainjp | 0:ec264f4ce158 | 249 | default: |
| shintamainjp | 0:ec264f4ce158 | 250 | break; |
| shintamainjp | 0:ec264f4ce158 | 251 | } |
| shintamainjp | 9:dcfdac59ef74 | 252 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 253 | } |
| shintamainjp | 0:ec264f4ce158 | 254 | |
| misodengaku | 12:d86179332137 | 255 | void ReceiverIR::isr_rise(void) |
| misodengaku | 12:d86179332137 | 256 | { |
| shintamainjp | 9:dcfdac59ef74 | 257 | LOCK(); |
| shintamainjp | 9:dcfdac59ef74 | 258 | switch (work.state) { |
| shintamainjp | 0:ec264f4ce158 | 259 | case Idle: |
| shintamainjp | 0:ec264f4ce158 | 260 | if (0 <= work.c1) { |
| shintamainjp | 0:ec264f4ce158 | 261 | work.c2 = timer.read_us(); |
| shintamainjp | 0:ec264f4ce158 | 262 | int a = work.c2 - work.c1; |
| shintamainjp | 11:268cc2ab63bd | 263 | if (InRange(a, RemoteIR::TUS_SONY * 4)) { |
| shintamainjp | 0:ec264f4ce158 | 264 | data.format = RemoteIR::SONY; |
| shintamainjp | 9:dcfdac59ef74 | 265 | work.state = Receiving; |
| shintamainjp | 0:ec264f4ce158 | 266 | data.bitcount = 0; |
| shintamainjp | 0:ec264f4ce158 | 267 | } else { |
| shintamainjp | 0:ec264f4ce158 | 268 | static const int MINIMUM_LEADER_WIDTH = 150; |
| shintamainjp | 0:ec264f4ce158 | 269 | if (a < MINIMUM_LEADER_WIDTH) { |
| shintamainjp | 0:ec264f4ce158 | 270 | init_state(); |
| shintamainjp | 0:ec264f4ce158 | 271 | } |
| shintamainjp | 0:ec264f4ce158 | 272 | } |
| shintamainjp | 0:ec264f4ce158 | 273 | } else { |
| shintamainjp | 0:ec264f4ce158 | 274 | init_state(); |
| shintamainjp | 0:ec264f4ce158 | 275 | } |
| shintamainjp | 0:ec264f4ce158 | 276 | break; |
| shintamainjp | 0:ec264f4ce158 | 277 | case Receiving: |
| shintamainjp | 0:ec264f4ce158 | 278 | if (RemoteIR::NEC == data.format) { |
| shintamainjp | 0:ec264f4ce158 | 279 | work.d1 = timer.read_us(); |
| shintamainjp | 0:ec264f4ce158 | 280 | } else if (RemoteIR::AEHA == data.format) { |
| shintamainjp | 0:ec264f4ce158 | 281 | work.d1 = timer.read_us(); |
| shintamainjp | 0:ec264f4ce158 | 282 | } else if (RemoteIR::SONY == data.format) { |
| shintamainjp | 0:ec264f4ce158 | 283 | work.d2 = timer.read_us(); |
| shintamainjp | 0:ec264f4ce158 | 284 | int a = work.d2 - work.d1; |
| shintamainjp | 11:268cc2ab63bd | 285 | if (InRange(a, RemoteIR::TUS_SONY * 2)) { |
| shintamainjp | 0:ec264f4ce158 | 286 | data.buffer[data.bitcount / 8] |= (1 << (data.bitcount % 8)); |
| shintamainjp | 11:268cc2ab63bd | 287 | } else if (InRange(a, RemoteIR::TUS_SONY * 1)) { |
| shintamainjp | 0:ec264f4ce158 | 288 | data.buffer[data.bitcount / 8] &= ~(1 << (data.bitcount % 8)); |
| shintamainjp | 0:ec264f4ce158 | 289 | } |
| shintamainjp | 0:ec264f4ce158 | 290 | data.bitcount++; |
| shintamainjp | 3:dfed23b157e6 | 291 | #if 0 |
| shintamainjp | 0:ec264f4ce158 | 292 | /* |
| shintamainjp | 9:dcfdac59ef74 | 293 | * How do I know the correct length? (6bits, 12bits, 15bits, 20bits...) |
| shintamainjp | 0:ec264f4ce158 | 294 | * By a model only? |
| shintamainjp | 0:ec264f4ce158 | 295 | * Please check a specification of your remote controller if you find a problem. |
| shintamainjp | 0:ec264f4ce158 | 296 | */ |
| shintamainjp | 0:ec264f4ce158 | 297 | if (12 <= data.bitcount) { |
| shintamainjp | 0:ec264f4ce158 | 298 | data.state = Received; |
| shintamainjp | 0:ec264f4ce158 | 299 | work.c1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 300 | work.c2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 301 | work.c3 = -1; |
| shintamainjp | 0:ec264f4ce158 | 302 | work.d1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 303 | work.d2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 304 | } |
| shintamainjp | 0:ec264f4ce158 | 305 | #else |
| shintamainjp | 0:ec264f4ce158 | 306 | /* |
| shintamainjp | 0:ec264f4ce158 | 307 | * Set timeout for tail detection automatically. |
| shintamainjp | 0:ec264f4ce158 | 308 | */ |
| shintamainjp | 0:ec264f4ce158 | 309 | timeout.detach(); |
| shintamainjp | 11:268cc2ab63bd | 310 | timeout.attach_us(this, &ReceiverIR::isr_timeout, RemoteIR::TUS_SONY * 4); |
| shintamainjp | 0:ec264f4ce158 | 311 | #endif |
| shintamainjp | 0:ec264f4ce158 | 312 | } |
| shintamainjp | 0:ec264f4ce158 | 313 | break; |
| shintamainjp | 0:ec264f4ce158 | 314 | case Received: |
| shintamainjp | 0:ec264f4ce158 | 315 | break; |
| shintamainjp | 0:ec264f4ce158 | 316 | default: |
| shintamainjp | 0:ec264f4ce158 | 317 | break; |
| shintamainjp | 0:ec264f4ce158 | 318 | } |
| shintamainjp | 9:dcfdac59ef74 | 319 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 320 | } |
| shintamainjp | 0:ec264f4ce158 | 321 | |
| misodengaku | 12:d86179332137 | 322 | void ReceiverIR::isr_timeout(void) |
| misodengaku | 12:d86179332137 | 323 | { |
| shintamainjp | 9:dcfdac59ef74 | 324 | LOCK(); |
| shintamainjp | 9:dcfdac59ef74 | 325 | #if 0 |
| shintamainjp | 9:dcfdac59ef74 | 326 | printf("# TIMEOUT [c1=%d, c2=%d, c3=%d, d1=%d, d2=%d, state=%d, format=%d, bitcount=%d]\n", |
| shintamainjp | 9:dcfdac59ef74 | 327 | work.c1, |
| shintamainjp | 9:dcfdac59ef74 | 328 | work.c2, |
| shintamainjp | 9:dcfdac59ef74 | 329 | work.c3, |
| shintamainjp | 9:dcfdac59ef74 | 330 | work.d1, |
| shintamainjp | 9:dcfdac59ef74 | 331 | work.d2, |
| shintamainjp | 9:dcfdac59ef74 | 332 | work.state, |
| shintamainjp | 9:dcfdac59ef74 | 333 | data.format, |
| shintamainjp | 9:dcfdac59ef74 | 334 | data.bitcount); |
| shintamainjp | 9:dcfdac59ef74 | 335 | #endif |
| shintamainjp | 9:dcfdac59ef74 | 336 | if (work.state == Receiving) { |
| shintamainjp | 9:dcfdac59ef74 | 337 | work.state = Received; |
| shintamainjp | 0:ec264f4ce158 | 338 | work.c1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 339 | work.c2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 340 | work.c3 = -1; |
| shintamainjp | 0:ec264f4ce158 | 341 | work.d1 = -1; |
| shintamainjp | 0:ec264f4ce158 | 342 | work.d2 = -1; |
| shintamainjp | 0:ec264f4ce158 | 343 | } |
| shintamainjp | 9:dcfdac59ef74 | 344 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 345 | } |
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