Minsu Kim
RoemoteIR
TransmitterIR.cpp@10:c54fb1204d1e, 2010-09-17 (annotated)
- Committer:
- shintamainjp
- Date:
- Fri Sep 17 21:44:01 2010 +0000
- Revision:
- 10:c54fb1204d1e
- Parent:
- 9:dcfdac59ef74
- Child:
- 11:268cc2ab63bd
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| shintamainjp | 0:ec264f4ce158 | 1 | /** |
| shintamainjp | 9:dcfdac59ef74 | 2 | * IR transmitter (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 "TransmitterIR.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 | TransmitterIR::TransmitterIR(PinName txpin) : tx(txpin) { |
| shintamainjp | 0:ec264f4ce158 | 14 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 15 | tx.period_us(26.3); |
| shintamainjp | 0:ec264f4ce158 | 16 | |
| shintamainjp | 0:ec264f4ce158 | 17 | work.state = Idle; |
| shintamainjp | 0:ec264f4ce158 | 18 | work.bitcount = 0; |
| shintamainjp | 0:ec264f4ce158 | 19 | work.leader = 0; |
| shintamainjp | 0:ec264f4ce158 | 20 | work.data = 0; |
| shintamainjp | 0:ec264f4ce158 | 21 | work.trailer = 0; |
| shintamainjp | 0:ec264f4ce158 | 22 | |
| shintamainjp | 0:ec264f4ce158 | 23 | data.format = RemoteIR::UNKNOWN; |
| shintamainjp | 0:ec264f4ce158 | 24 | data.bitlength = 0; |
| shintamainjp | 0:ec264f4ce158 | 25 | } |
| shintamainjp | 0:ec264f4ce158 | 26 | |
| shintamainjp | 2:08836610bd4a | 27 | TransmitterIR::~TransmitterIR() { |
| shintamainjp | 2:08836610bd4a | 28 | } |
| shintamainjp | 2:08836610bd4a | 29 | |
| shintamainjp | 0:ec264f4ce158 | 30 | TransmitterIR::State TransmitterIR::getState(void) { |
| shintamainjp | 9:dcfdac59ef74 | 31 | LOCK(); |
| shintamainjp | 0:ec264f4ce158 | 32 | State s = work.state; |
| shintamainjp | 9:dcfdac59ef74 | 33 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 34 | return s; |
| shintamainjp | 0:ec264f4ce158 | 35 | } |
| shintamainjp | 0:ec264f4ce158 | 36 | |
| shintamainjp | 0:ec264f4ce158 | 37 | int TransmitterIR::setData(RemoteIR::Format format, uint8_t *buf, int bitlength) { |
| shintamainjp | 9:dcfdac59ef74 | 38 | LOCK(); |
| shintamainjp | 0:ec264f4ce158 | 39 | if (work.state != Idle) { |
| shintamainjp | 9:dcfdac59ef74 | 40 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 41 | return -1; |
| shintamainjp | 0:ec264f4ce158 | 42 | } |
| shintamainjp | 0:ec264f4ce158 | 43 | |
| shintamainjp | 0:ec264f4ce158 | 44 | work.state = Leader; |
| shintamainjp | 0:ec264f4ce158 | 45 | work.bitcount = 0; |
| shintamainjp | 0:ec264f4ce158 | 46 | work.leader = 0; |
| shintamainjp | 0:ec264f4ce158 | 47 | work.data = 0; |
| shintamainjp | 0:ec264f4ce158 | 48 | work.trailer = 0; |
| shintamainjp | 0:ec264f4ce158 | 49 | |
| shintamainjp | 0:ec264f4ce158 | 50 | data.format = format; |
| shintamainjp | 0:ec264f4ce158 | 51 | data.bitlength = bitlength; |
| shintamainjp | 0:ec264f4ce158 | 52 | const int n = bitlength / 8 + (((bitlength % 8) != 0) ? 1 : 0); |
| shintamainjp | 0:ec264f4ce158 | 53 | for (int i = 0; i < n; i++) { |
| shintamainjp | 0:ec264f4ce158 | 54 | data.buffer[i] = buf[i]; |
| shintamainjp | 0:ec264f4ce158 | 55 | } |
| shintamainjp | 0:ec264f4ce158 | 56 | |
| shintamainjp | 0:ec264f4ce158 | 57 | switch (format) { |
| shintamainjp | 0:ec264f4ce158 | 58 | case RemoteIR::NEC: |
| shintamainjp | 0:ec264f4ce158 | 59 | ticker.detach(); |
| shintamainjp | 0:ec264f4ce158 | 60 | ticker.attach_us(this, &TransmitterIR::tick, TUS_NEC); |
| shintamainjp | 0:ec264f4ce158 | 61 | break; |
| shintamainjp | 0:ec264f4ce158 | 62 | case RemoteIR::AEHA: |
| shintamainjp | 0:ec264f4ce158 | 63 | ticker.detach(); |
| shintamainjp | 0:ec264f4ce158 | 64 | ticker.attach_us(this, &TransmitterIR::tick, TUS_AEHA); |
| shintamainjp | 0:ec264f4ce158 | 65 | break; |
| shintamainjp | 0:ec264f4ce158 | 66 | case RemoteIR::SONY: |
| shintamainjp | 0:ec264f4ce158 | 67 | ticker.detach(); |
| shintamainjp | 0:ec264f4ce158 | 68 | ticker.attach_us(this, &TransmitterIR::tick, TUS_SONY); |
| shintamainjp | 0:ec264f4ce158 | 69 | break; |
| shintamainjp | 0:ec264f4ce158 | 70 | } |
| shintamainjp | 0:ec264f4ce158 | 71 | |
| shintamainjp | 9:dcfdac59ef74 | 72 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 73 | return bitlength; |
| shintamainjp | 0:ec264f4ce158 | 74 | } |
| shintamainjp | 0:ec264f4ce158 | 75 | |
| shintamainjp | 0:ec264f4ce158 | 76 | void TransmitterIR::tick(void) { |
| shintamainjp | 9:dcfdac59ef74 | 77 | LOCK(); |
| shintamainjp | 0:ec264f4ce158 | 78 | switch (work.state) { |
| shintamainjp | 0:ec264f4ce158 | 79 | case Idle: |
| shintamainjp | 0:ec264f4ce158 | 80 | work.bitcount = 0; |
| shintamainjp | 0:ec264f4ce158 | 81 | work.leader = 0; |
| shintamainjp | 0:ec264f4ce158 | 82 | work.data = 0; |
| shintamainjp | 0:ec264f4ce158 | 83 | work.trailer = 0; |
| shintamainjp | 0:ec264f4ce158 | 84 | break; |
| shintamainjp | 0:ec264f4ce158 | 85 | case Leader: |
| shintamainjp | 0:ec264f4ce158 | 86 | if (data.format == RemoteIR::NEC) { |
| shintamainjp | 0:ec264f4ce158 | 87 | /* |
| shintamainjp | 0:ec264f4ce158 | 88 | * NEC. |
| shintamainjp | 0:ec264f4ce158 | 89 | */ |
| shintamainjp | 0:ec264f4ce158 | 90 | static const int LEADER_NEC_HEAD = 16; |
| shintamainjp | 0:ec264f4ce158 | 91 | static const int LEADER_NEC_TAIL = 8; |
| shintamainjp | 0:ec264f4ce158 | 92 | if (work.leader < LEADER_NEC_HEAD) { |
| shintamainjp | 0:ec264f4ce158 | 93 | tx.write(0.5); |
| shintamainjp | 0:ec264f4ce158 | 94 | } else { |
| shintamainjp | 0:ec264f4ce158 | 95 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 96 | } |
| shintamainjp | 0:ec264f4ce158 | 97 | work.leader++; |
| shintamainjp | 0:ec264f4ce158 | 98 | if ((LEADER_NEC_HEAD + LEADER_NEC_TAIL) <= work.leader) { |
| shintamainjp | 0:ec264f4ce158 | 99 | work.state = Data; |
| shintamainjp | 0:ec264f4ce158 | 100 | } |
| shintamainjp | 0:ec264f4ce158 | 101 | } else if (data.format == RemoteIR::AEHA) { |
| shintamainjp | 0:ec264f4ce158 | 102 | /* |
| shintamainjp | 0:ec264f4ce158 | 103 | * AEHA. |
| shintamainjp | 0:ec264f4ce158 | 104 | */ |
| shintamainjp | 0:ec264f4ce158 | 105 | static const int LEADER_AEHA_HEAD = 8; |
| shintamainjp | 0:ec264f4ce158 | 106 | static const int LEADER_AEHA_TAIL = 4; |
| shintamainjp | 0:ec264f4ce158 | 107 | if (work.leader < LEADER_AEHA_HEAD) { |
| shintamainjp | 0:ec264f4ce158 | 108 | tx.write(0.5); |
| shintamainjp | 0:ec264f4ce158 | 109 | } else { |
| shintamainjp | 0:ec264f4ce158 | 110 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 111 | } |
| shintamainjp | 0:ec264f4ce158 | 112 | work.leader++; |
| shintamainjp | 0:ec264f4ce158 | 113 | if ((LEADER_AEHA_HEAD + LEADER_AEHA_TAIL) <= work.leader) { |
| shintamainjp | 0:ec264f4ce158 | 114 | work.state = Data; |
| shintamainjp | 0:ec264f4ce158 | 115 | } |
| shintamainjp | 0:ec264f4ce158 | 116 | } else if (data.format == RemoteIR::SONY) { |
| shintamainjp | 0:ec264f4ce158 | 117 | /* |
| shintamainjp | 0:ec264f4ce158 | 118 | * SONY. |
| shintamainjp | 0:ec264f4ce158 | 119 | */ |
| shintamainjp | 0:ec264f4ce158 | 120 | static const int LEADER_SONY_HEAD = 4; |
| shintamainjp | 0:ec264f4ce158 | 121 | static const int LEADER_SONY_TAIL = 0; |
| shintamainjp | 0:ec264f4ce158 | 122 | if (work.leader < LEADER_SONY_HEAD) { |
| shintamainjp | 0:ec264f4ce158 | 123 | tx.write(0.5); |
| shintamainjp | 0:ec264f4ce158 | 124 | } else { |
| shintamainjp | 0:ec264f4ce158 | 125 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 126 | } |
| shintamainjp | 0:ec264f4ce158 | 127 | work.leader++; |
| shintamainjp | 0:ec264f4ce158 | 128 | if ((LEADER_SONY_HEAD + LEADER_SONY_TAIL) <= work.leader) { |
| shintamainjp | 0:ec264f4ce158 | 129 | work.state = Data; |
| shintamainjp | 0:ec264f4ce158 | 130 | } |
| shintamainjp | 0:ec264f4ce158 | 131 | } else { |
| shintamainjp | 0:ec264f4ce158 | 132 | } |
| shintamainjp | 0:ec264f4ce158 | 133 | break; |
| shintamainjp | 0:ec264f4ce158 | 134 | case Data: |
| shintamainjp | 0:ec264f4ce158 | 135 | if (data.format == RemoteIR::NEC) { |
| shintamainjp | 0:ec264f4ce158 | 136 | /* |
| shintamainjp | 0:ec264f4ce158 | 137 | * NEC. |
| shintamainjp | 0:ec264f4ce158 | 138 | */ |
| shintamainjp | 0:ec264f4ce158 | 139 | if (work.data == 0) { |
| shintamainjp | 0:ec264f4ce158 | 140 | tx.write(0.5); |
| shintamainjp | 0:ec264f4ce158 | 141 | work.data++; |
| shintamainjp | 0:ec264f4ce158 | 142 | } else { |
| shintamainjp | 0:ec264f4ce158 | 143 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 144 | if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) { |
| shintamainjp | 0:ec264f4ce158 | 145 | if (3 <= work.data) { |
| shintamainjp | 0:ec264f4ce158 | 146 | work.bitcount++; |
| shintamainjp | 0:ec264f4ce158 | 147 | work.data = 0; |
| shintamainjp | 0:ec264f4ce158 | 148 | } else { |
| shintamainjp | 0:ec264f4ce158 | 149 | work.data++; |
| shintamainjp | 0:ec264f4ce158 | 150 | } |
| shintamainjp | 0:ec264f4ce158 | 151 | } else { |
| shintamainjp | 0:ec264f4ce158 | 152 | if (1 <= work.data) { |
| shintamainjp | 0:ec264f4ce158 | 153 | work.bitcount++; |
| shintamainjp | 0:ec264f4ce158 | 154 | work.data = 0; |
| shintamainjp | 0:ec264f4ce158 | 155 | } else { |
| shintamainjp | 0:ec264f4ce158 | 156 | work.data++; |
| shintamainjp | 0:ec264f4ce158 | 157 | } |
| shintamainjp | 0:ec264f4ce158 | 158 | } |
| shintamainjp | 0:ec264f4ce158 | 159 | } |
| shintamainjp | 0:ec264f4ce158 | 160 | if (data.bitlength <= work.bitcount) { |
| shintamainjp | 0:ec264f4ce158 | 161 | work.state = Trailer; |
| shintamainjp | 0:ec264f4ce158 | 162 | } |
| shintamainjp | 0:ec264f4ce158 | 163 | } else if (data.format == RemoteIR::AEHA) { |
| shintamainjp | 0:ec264f4ce158 | 164 | /* |
| shintamainjp | 0:ec264f4ce158 | 165 | * AEHA. |
| shintamainjp | 0:ec264f4ce158 | 166 | */ |
| shintamainjp | 0:ec264f4ce158 | 167 | if (work.data == 0) { |
| shintamainjp | 0:ec264f4ce158 | 168 | tx.write(0.5); |
| shintamainjp | 0:ec264f4ce158 | 169 | work.data++; |
| shintamainjp | 0:ec264f4ce158 | 170 | } else { |
| shintamainjp | 0:ec264f4ce158 | 171 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 172 | if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) { |
| shintamainjp | 0:ec264f4ce158 | 173 | if (3 <= work.data) { |
| shintamainjp | 0:ec264f4ce158 | 174 | work.bitcount++; |
| shintamainjp | 0:ec264f4ce158 | 175 | work.data = 0; |
| shintamainjp | 0:ec264f4ce158 | 176 | } else { |
| shintamainjp | 0:ec264f4ce158 | 177 | work.data++; |
| shintamainjp | 0:ec264f4ce158 | 178 | } |
| shintamainjp | 0:ec264f4ce158 | 179 | } else { |
| shintamainjp | 0:ec264f4ce158 | 180 | if (1 <= work.data) { |
| shintamainjp | 0:ec264f4ce158 | 181 | work.bitcount++; |
| shintamainjp | 0:ec264f4ce158 | 182 | work.data = 0; |
| shintamainjp | 0:ec264f4ce158 | 183 | } else { |
| shintamainjp | 0:ec264f4ce158 | 184 | work.data++; |
| shintamainjp | 0:ec264f4ce158 | 185 | } |
| shintamainjp | 0:ec264f4ce158 | 186 | } |
| shintamainjp | 0:ec264f4ce158 | 187 | } |
| shintamainjp | 0:ec264f4ce158 | 188 | if (data.bitlength <= work.bitcount) { |
| shintamainjp | 0:ec264f4ce158 | 189 | work.state = Trailer; |
| shintamainjp | 0:ec264f4ce158 | 190 | } |
| shintamainjp | 0:ec264f4ce158 | 191 | } else if (data.format == RemoteIR::SONY) { |
| shintamainjp | 0:ec264f4ce158 | 192 | /* |
| shintamainjp | 0:ec264f4ce158 | 193 | * SONY. |
| shintamainjp | 0:ec264f4ce158 | 194 | */ |
| shintamainjp | 0:ec264f4ce158 | 195 | if (work.data == 0) { |
| shintamainjp | 0:ec264f4ce158 | 196 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 197 | work.data++; |
| shintamainjp | 0:ec264f4ce158 | 198 | } else { |
| shintamainjp | 0:ec264f4ce158 | 199 | tx.write(0.5); |
| shintamainjp | 0:ec264f4ce158 | 200 | if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) { |
| shintamainjp | 0:ec264f4ce158 | 201 | if (2 <= work.data) { |
| shintamainjp | 0:ec264f4ce158 | 202 | work.bitcount++; |
| shintamainjp | 0:ec264f4ce158 | 203 | work.data = 0; |
| shintamainjp | 0:ec264f4ce158 | 204 | } else { |
| shintamainjp | 0:ec264f4ce158 | 205 | work.data++; |
| shintamainjp | 0:ec264f4ce158 | 206 | } |
| shintamainjp | 0:ec264f4ce158 | 207 | } else { |
| shintamainjp | 0:ec264f4ce158 | 208 | if (1 <= work.data) { |
| shintamainjp | 0:ec264f4ce158 | 209 | work.bitcount++; |
| shintamainjp | 0:ec264f4ce158 | 210 | work.data = 0; |
| shintamainjp | 0:ec264f4ce158 | 211 | } else { |
| shintamainjp | 0:ec264f4ce158 | 212 | work.data++; |
| shintamainjp | 0:ec264f4ce158 | 213 | } |
| shintamainjp | 0:ec264f4ce158 | 214 | } |
| shintamainjp | 0:ec264f4ce158 | 215 | } |
| shintamainjp | 0:ec264f4ce158 | 216 | if (data.bitlength <= work.bitcount) { |
| shintamainjp | 0:ec264f4ce158 | 217 | work.state = Trailer; |
| shintamainjp | 0:ec264f4ce158 | 218 | } |
| shintamainjp | 0:ec264f4ce158 | 219 | } else { |
| shintamainjp | 0:ec264f4ce158 | 220 | } |
| shintamainjp | 0:ec264f4ce158 | 221 | break; |
| shintamainjp | 0:ec264f4ce158 | 222 | case Trailer: |
| shintamainjp | 0:ec264f4ce158 | 223 | if (data.format == RemoteIR::NEC) { |
| shintamainjp | 0:ec264f4ce158 | 224 | /* |
| shintamainjp | 0:ec264f4ce158 | 225 | * NEC. |
| shintamainjp | 0:ec264f4ce158 | 226 | */ |
| shintamainjp | 0:ec264f4ce158 | 227 | static const int TRAILER_NEC_HEAD = 1; |
| shintamainjp | 0:ec264f4ce158 | 228 | static const int TRAILER_NEC_TAIL = 2; |
| shintamainjp | 0:ec264f4ce158 | 229 | if (work.trailer < TRAILER_NEC_HEAD) { |
| shintamainjp | 0:ec264f4ce158 | 230 | tx.write(0.5); |
| shintamainjp | 0:ec264f4ce158 | 231 | } else { |
| shintamainjp | 0:ec264f4ce158 | 232 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 233 | } |
| shintamainjp | 0:ec264f4ce158 | 234 | work.trailer++; |
| shintamainjp | 0:ec264f4ce158 | 235 | if ((TRAILER_NEC_HEAD + TRAILER_NEC_TAIL) <= work.trailer) { |
| shintamainjp | 0:ec264f4ce158 | 236 | work.state = Idle; |
| shintamainjp | 0:ec264f4ce158 | 237 | //ticker.detach(); |
| shintamainjp | 0:ec264f4ce158 | 238 | } |
| shintamainjp | 0:ec264f4ce158 | 239 | } else if (data.format == RemoteIR::AEHA) { |
| shintamainjp | 0:ec264f4ce158 | 240 | /* |
| shintamainjp | 0:ec264f4ce158 | 241 | * AEHA. |
| shintamainjp | 0:ec264f4ce158 | 242 | */ |
| shintamainjp | 0:ec264f4ce158 | 243 | static const int TRAILER_AEHA_HEAD = 1; |
| shintamainjp | 0:ec264f4ce158 | 244 | static const int TRAILER_AEHA_TAIL = 8000 / TUS_AEHA; |
| shintamainjp | 0:ec264f4ce158 | 245 | if (work.trailer < TRAILER_AEHA_HEAD) { |
| shintamainjp | 0:ec264f4ce158 | 246 | tx.write(0.5); |
| shintamainjp | 0:ec264f4ce158 | 247 | } else { |
| shintamainjp | 0:ec264f4ce158 | 248 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 249 | } |
| shintamainjp | 0:ec264f4ce158 | 250 | work.trailer++; |
| shintamainjp | 0:ec264f4ce158 | 251 | if ((TRAILER_AEHA_HEAD + TRAILER_AEHA_TAIL) <= work.trailer) { |
| shintamainjp | 0:ec264f4ce158 | 252 | work.state = Idle; |
| shintamainjp | 0:ec264f4ce158 | 253 | //ticker.detach(); |
| shintamainjp | 0:ec264f4ce158 | 254 | } |
| shintamainjp | 0:ec264f4ce158 | 255 | } else if (data.format == RemoteIR::SONY) { |
| shintamainjp | 0:ec264f4ce158 | 256 | /* |
| shintamainjp | 0:ec264f4ce158 | 257 | * SONY. |
| shintamainjp | 0:ec264f4ce158 | 258 | */ |
| shintamainjp | 0:ec264f4ce158 | 259 | static const int TRAILER_SONY_HEAD = 0; |
| shintamainjp | 0:ec264f4ce158 | 260 | static const int TRAILER_SONY_TAIL = 0; |
| shintamainjp | 0:ec264f4ce158 | 261 | if (work.trailer < TRAILER_SONY_HEAD) { |
| shintamainjp | 0:ec264f4ce158 | 262 | tx.write(0.5); |
| shintamainjp | 0:ec264f4ce158 | 263 | } else { |
| shintamainjp | 0:ec264f4ce158 | 264 | tx.write(0.0); |
| shintamainjp | 0:ec264f4ce158 | 265 | } |
| shintamainjp | 0:ec264f4ce158 | 266 | work.trailer++; |
| shintamainjp | 0:ec264f4ce158 | 267 | if ((TRAILER_SONY_HEAD + TRAILER_SONY_TAIL) <= work.trailer) { |
| shintamainjp | 0:ec264f4ce158 | 268 | work.state = Idle; |
| shintamainjp | 0:ec264f4ce158 | 269 | //ticker.detach(); |
| shintamainjp | 0:ec264f4ce158 | 270 | } |
| shintamainjp | 0:ec264f4ce158 | 271 | } else { |
| shintamainjp | 0:ec264f4ce158 | 272 | } |
| shintamainjp | 0:ec264f4ce158 | 273 | break; |
| shintamainjp | 0:ec264f4ce158 | 274 | default: |
| shintamainjp | 0:ec264f4ce158 | 275 | break; |
| shintamainjp | 0:ec264f4ce158 | 276 | } |
| shintamainjp | 9:dcfdac59ef74 | 277 | UNLOCK(); |
| shintamainjp | 0:ec264f4ce158 | 278 | } |