E8WATS
Fork of RemoteIR by
TransmitterIR.cpp@0:ec264f4ce158, 2010-08-17 (annotated)
- Committer:
- shintamainjp
- Date:
- Tue Aug 17 08:50:54 2010 +0000
- Revision:
- 0:ec264f4ce158
- Child:
- 2:08836610bd4a
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
shintamainjp | 0:ec264f4ce158 | 1 | /** |
shintamainjp | 0:ec264f4ce158 | 2 | * IR transmitter (Version 0.0.3) |
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 | 0:ec264f4ce158 | 10 | #define IRQ_ENABLE() sem.release(); __enable_irq() |
shintamainjp | 0:ec264f4ce158 | 11 | #define IRQ_DISABLE() sem.take(); __disable_irq() |
shintamainjp | 0:ec264f4ce158 | 12 | |
shintamainjp | 0:ec264f4ce158 | 13 | TransmitterIR::TransmitterIR(PinName txpin) : tx(txpin) { |
shintamainjp | 0:ec264f4ce158 | 14 | } |
shintamainjp | 0:ec264f4ce158 | 15 | |
shintamainjp | 0:ec264f4ce158 | 16 | TransmitterIR::~TransmitterIR() {} |
shintamainjp | 0:ec264f4ce158 | 17 | |
shintamainjp | 0:ec264f4ce158 | 18 | void TransmitterIR::init(void) { |
shintamainjp | 0:ec264f4ce158 | 19 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 20 | tx.period_us(26.3); |
shintamainjp | 0:ec264f4ce158 | 21 | |
shintamainjp | 0:ec264f4ce158 | 22 | work.state = Idle; |
shintamainjp | 0:ec264f4ce158 | 23 | work.bitcount = 0; |
shintamainjp | 0:ec264f4ce158 | 24 | work.leader = 0; |
shintamainjp | 0:ec264f4ce158 | 25 | work.data = 0; |
shintamainjp | 0:ec264f4ce158 | 26 | work.trailer = 0; |
shintamainjp | 0:ec264f4ce158 | 27 | |
shintamainjp | 0:ec264f4ce158 | 28 | data.format = RemoteIR::UNKNOWN; |
shintamainjp | 0:ec264f4ce158 | 29 | data.bitlength = 0; |
shintamainjp | 0:ec264f4ce158 | 30 | } |
shintamainjp | 0:ec264f4ce158 | 31 | |
shintamainjp | 0:ec264f4ce158 | 32 | TransmitterIR::State TransmitterIR::getState(void) { |
shintamainjp | 0:ec264f4ce158 | 33 | IRQ_DISABLE(); |
shintamainjp | 0:ec264f4ce158 | 34 | State s = work.state; |
shintamainjp | 0:ec264f4ce158 | 35 | IRQ_ENABLE(); |
shintamainjp | 0:ec264f4ce158 | 36 | wait_ms(100); |
shintamainjp | 0:ec264f4ce158 | 37 | return s; |
shintamainjp | 0:ec264f4ce158 | 38 | } |
shintamainjp | 0:ec264f4ce158 | 39 | |
shintamainjp | 0:ec264f4ce158 | 40 | int TransmitterIR::setData(RemoteIR::Format format, uint8_t *buf, int bitlength) { |
shintamainjp | 0:ec264f4ce158 | 41 | IRQ_DISABLE(); |
shintamainjp | 0:ec264f4ce158 | 42 | if (work.state != Idle) { |
shintamainjp | 0:ec264f4ce158 | 43 | IRQ_ENABLE(); |
shintamainjp | 0:ec264f4ce158 | 44 | return -1; |
shintamainjp | 0:ec264f4ce158 | 45 | } |
shintamainjp | 0:ec264f4ce158 | 46 | |
shintamainjp | 0:ec264f4ce158 | 47 | work.state = Leader; |
shintamainjp | 0:ec264f4ce158 | 48 | work.bitcount = 0; |
shintamainjp | 0:ec264f4ce158 | 49 | work.leader = 0; |
shintamainjp | 0:ec264f4ce158 | 50 | work.data = 0; |
shintamainjp | 0:ec264f4ce158 | 51 | work.trailer = 0; |
shintamainjp | 0:ec264f4ce158 | 52 | |
shintamainjp | 0:ec264f4ce158 | 53 | data.format = format; |
shintamainjp | 0:ec264f4ce158 | 54 | data.bitlength = bitlength; |
shintamainjp | 0:ec264f4ce158 | 55 | const int n = bitlength / 8 + (((bitlength % 8) != 0) ? 1 : 0); |
shintamainjp | 0:ec264f4ce158 | 56 | for (int i = 0; i < n; i++) { |
shintamainjp | 0:ec264f4ce158 | 57 | data.buffer[i] = buf[i]; |
shintamainjp | 0:ec264f4ce158 | 58 | } |
shintamainjp | 0:ec264f4ce158 | 59 | |
shintamainjp | 0:ec264f4ce158 | 60 | switch (format) { |
shintamainjp | 0:ec264f4ce158 | 61 | case RemoteIR::NEC: |
shintamainjp | 0:ec264f4ce158 | 62 | ticker.detach(); |
shintamainjp | 0:ec264f4ce158 | 63 | ticker.attach_us(this, &TransmitterIR::tick, TUS_NEC); |
shintamainjp | 0:ec264f4ce158 | 64 | break; |
shintamainjp | 0:ec264f4ce158 | 65 | case RemoteIR::AEHA: |
shintamainjp | 0:ec264f4ce158 | 66 | ticker.detach(); |
shintamainjp | 0:ec264f4ce158 | 67 | ticker.attach_us(this, &TransmitterIR::tick, TUS_AEHA); |
shintamainjp | 0:ec264f4ce158 | 68 | break; |
shintamainjp | 0:ec264f4ce158 | 69 | case RemoteIR::SONY: |
shintamainjp | 0:ec264f4ce158 | 70 | ticker.detach(); |
shintamainjp | 0:ec264f4ce158 | 71 | ticker.attach_us(this, &TransmitterIR::tick, TUS_SONY); |
shintamainjp | 0:ec264f4ce158 | 72 | break; |
shintamainjp | 0:ec264f4ce158 | 73 | } |
shintamainjp | 0:ec264f4ce158 | 74 | |
shintamainjp | 0:ec264f4ce158 | 75 | IRQ_ENABLE(); |
shintamainjp | 0:ec264f4ce158 | 76 | return bitlength; |
shintamainjp | 0:ec264f4ce158 | 77 | } |
shintamainjp | 0:ec264f4ce158 | 78 | |
shintamainjp | 0:ec264f4ce158 | 79 | void TransmitterIR::tick(void) { |
shintamainjp | 0:ec264f4ce158 | 80 | IRQ_DISABLE(); |
shintamainjp | 0:ec264f4ce158 | 81 | switch (work.state) { |
shintamainjp | 0:ec264f4ce158 | 82 | case Idle: |
shintamainjp | 0:ec264f4ce158 | 83 | work.bitcount = 0; |
shintamainjp | 0:ec264f4ce158 | 84 | work.leader = 0; |
shintamainjp | 0:ec264f4ce158 | 85 | work.data = 0; |
shintamainjp | 0:ec264f4ce158 | 86 | work.trailer = 0; |
shintamainjp | 0:ec264f4ce158 | 87 | break; |
shintamainjp | 0:ec264f4ce158 | 88 | case Leader: |
shintamainjp | 0:ec264f4ce158 | 89 | if (data.format == RemoteIR::NEC) { |
shintamainjp | 0:ec264f4ce158 | 90 | /* |
shintamainjp | 0:ec264f4ce158 | 91 | * NEC. |
shintamainjp | 0:ec264f4ce158 | 92 | */ |
shintamainjp | 0:ec264f4ce158 | 93 | static const int LEADER_NEC_HEAD = 16; |
shintamainjp | 0:ec264f4ce158 | 94 | static const int LEADER_NEC_TAIL = 8; |
shintamainjp | 0:ec264f4ce158 | 95 | if (work.leader < LEADER_NEC_HEAD) { |
shintamainjp | 0:ec264f4ce158 | 96 | tx.write(0.5); |
shintamainjp | 0:ec264f4ce158 | 97 | } else { |
shintamainjp | 0:ec264f4ce158 | 98 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 99 | } |
shintamainjp | 0:ec264f4ce158 | 100 | work.leader++; |
shintamainjp | 0:ec264f4ce158 | 101 | if ((LEADER_NEC_HEAD + LEADER_NEC_TAIL) <= work.leader) { |
shintamainjp | 0:ec264f4ce158 | 102 | work.state = Data; |
shintamainjp | 0:ec264f4ce158 | 103 | } |
shintamainjp | 0:ec264f4ce158 | 104 | } else if (data.format == RemoteIR::AEHA) { |
shintamainjp | 0:ec264f4ce158 | 105 | /* |
shintamainjp | 0:ec264f4ce158 | 106 | * AEHA. |
shintamainjp | 0:ec264f4ce158 | 107 | */ |
shintamainjp | 0:ec264f4ce158 | 108 | static const int LEADER_AEHA_HEAD = 8; |
shintamainjp | 0:ec264f4ce158 | 109 | static const int LEADER_AEHA_TAIL = 4; |
shintamainjp | 0:ec264f4ce158 | 110 | if (work.leader < LEADER_AEHA_HEAD) { |
shintamainjp | 0:ec264f4ce158 | 111 | tx.write(0.5); |
shintamainjp | 0:ec264f4ce158 | 112 | } else { |
shintamainjp | 0:ec264f4ce158 | 113 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 114 | } |
shintamainjp | 0:ec264f4ce158 | 115 | work.leader++; |
shintamainjp | 0:ec264f4ce158 | 116 | if ((LEADER_AEHA_HEAD + LEADER_AEHA_TAIL) <= work.leader) { |
shintamainjp | 0:ec264f4ce158 | 117 | work.state = Data; |
shintamainjp | 0:ec264f4ce158 | 118 | } |
shintamainjp | 0:ec264f4ce158 | 119 | } else if (data.format == RemoteIR::SONY) { |
shintamainjp | 0:ec264f4ce158 | 120 | /* |
shintamainjp | 0:ec264f4ce158 | 121 | * SONY. |
shintamainjp | 0:ec264f4ce158 | 122 | */ |
shintamainjp | 0:ec264f4ce158 | 123 | static const int LEADER_SONY_HEAD = 4; |
shintamainjp | 0:ec264f4ce158 | 124 | static const int LEADER_SONY_TAIL = 0; |
shintamainjp | 0:ec264f4ce158 | 125 | if (work.leader < LEADER_SONY_HEAD) { |
shintamainjp | 0:ec264f4ce158 | 126 | tx.write(0.5); |
shintamainjp | 0:ec264f4ce158 | 127 | } else { |
shintamainjp | 0:ec264f4ce158 | 128 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 129 | } |
shintamainjp | 0:ec264f4ce158 | 130 | work.leader++; |
shintamainjp | 0:ec264f4ce158 | 131 | if ((LEADER_SONY_HEAD + LEADER_SONY_TAIL) <= work.leader) { |
shintamainjp | 0:ec264f4ce158 | 132 | work.state = Data; |
shintamainjp | 0:ec264f4ce158 | 133 | } |
shintamainjp | 0:ec264f4ce158 | 134 | } else { |
shintamainjp | 0:ec264f4ce158 | 135 | } |
shintamainjp | 0:ec264f4ce158 | 136 | break; |
shintamainjp | 0:ec264f4ce158 | 137 | case Data: |
shintamainjp | 0:ec264f4ce158 | 138 | if (data.format == RemoteIR::NEC) { |
shintamainjp | 0:ec264f4ce158 | 139 | /* |
shintamainjp | 0:ec264f4ce158 | 140 | * NEC. |
shintamainjp | 0:ec264f4ce158 | 141 | */ |
shintamainjp | 0:ec264f4ce158 | 142 | if (work.data == 0) { |
shintamainjp | 0:ec264f4ce158 | 143 | tx.write(0.5); |
shintamainjp | 0:ec264f4ce158 | 144 | work.data++; |
shintamainjp | 0:ec264f4ce158 | 145 | } else { |
shintamainjp | 0:ec264f4ce158 | 146 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 147 | if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) { |
shintamainjp | 0:ec264f4ce158 | 148 | if (3 <= work.data) { |
shintamainjp | 0:ec264f4ce158 | 149 | work.bitcount++; |
shintamainjp | 0:ec264f4ce158 | 150 | work.data = 0; |
shintamainjp | 0:ec264f4ce158 | 151 | } else { |
shintamainjp | 0:ec264f4ce158 | 152 | work.data++; |
shintamainjp | 0:ec264f4ce158 | 153 | } |
shintamainjp | 0:ec264f4ce158 | 154 | } else { |
shintamainjp | 0:ec264f4ce158 | 155 | if (1 <= work.data) { |
shintamainjp | 0:ec264f4ce158 | 156 | work.bitcount++; |
shintamainjp | 0:ec264f4ce158 | 157 | work.data = 0; |
shintamainjp | 0:ec264f4ce158 | 158 | } else { |
shintamainjp | 0:ec264f4ce158 | 159 | work.data++; |
shintamainjp | 0:ec264f4ce158 | 160 | } |
shintamainjp | 0:ec264f4ce158 | 161 | } |
shintamainjp | 0:ec264f4ce158 | 162 | } |
shintamainjp | 0:ec264f4ce158 | 163 | if (data.bitlength <= work.bitcount) { |
shintamainjp | 0:ec264f4ce158 | 164 | work.state = Trailer; |
shintamainjp | 0:ec264f4ce158 | 165 | } |
shintamainjp | 0:ec264f4ce158 | 166 | } else if (data.format == RemoteIR::AEHA) { |
shintamainjp | 0:ec264f4ce158 | 167 | /* |
shintamainjp | 0:ec264f4ce158 | 168 | * AEHA. |
shintamainjp | 0:ec264f4ce158 | 169 | */ |
shintamainjp | 0:ec264f4ce158 | 170 | if (work.data == 0) { |
shintamainjp | 0:ec264f4ce158 | 171 | tx.write(0.5); |
shintamainjp | 0:ec264f4ce158 | 172 | work.data++; |
shintamainjp | 0:ec264f4ce158 | 173 | } else { |
shintamainjp | 0:ec264f4ce158 | 174 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 175 | if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) { |
shintamainjp | 0:ec264f4ce158 | 176 | if (3 <= work.data) { |
shintamainjp | 0:ec264f4ce158 | 177 | work.bitcount++; |
shintamainjp | 0:ec264f4ce158 | 178 | work.data = 0; |
shintamainjp | 0:ec264f4ce158 | 179 | } else { |
shintamainjp | 0:ec264f4ce158 | 180 | work.data++; |
shintamainjp | 0:ec264f4ce158 | 181 | } |
shintamainjp | 0:ec264f4ce158 | 182 | } else { |
shintamainjp | 0:ec264f4ce158 | 183 | if (1 <= work.data) { |
shintamainjp | 0:ec264f4ce158 | 184 | work.bitcount++; |
shintamainjp | 0:ec264f4ce158 | 185 | work.data = 0; |
shintamainjp | 0:ec264f4ce158 | 186 | } else { |
shintamainjp | 0:ec264f4ce158 | 187 | work.data++; |
shintamainjp | 0:ec264f4ce158 | 188 | } |
shintamainjp | 0:ec264f4ce158 | 189 | } |
shintamainjp | 0:ec264f4ce158 | 190 | } |
shintamainjp | 0:ec264f4ce158 | 191 | if (data.bitlength <= work.bitcount) { |
shintamainjp | 0:ec264f4ce158 | 192 | work.state = Trailer; |
shintamainjp | 0:ec264f4ce158 | 193 | } |
shintamainjp | 0:ec264f4ce158 | 194 | } else if (data.format == RemoteIR::SONY) { |
shintamainjp | 0:ec264f4ce158 | 195 | /* |
shintamainjp | 0:ec264f4ce158 | 196 | * SONY. |
shintamainjp | 0:ec264f4ce158 | 197 | */ |
shintamainjp | 0:ec264f4ce158 | 198 | if (work.data == 0) { |
shintamainjp | 0:ec264f4ce158 | 199 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 200 | work.data++; |
shintamainjp | 0:ec264f4ce158 | 201 | } else { |
shintamainjp | 0:ec264f4ce158 | 202 | tx.write(0.5); |
shintamainjp | 0:ec264f4ce158 | 203 | if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) { |
shintamainjp | 0:ec264f4ce158 | 204 | if (2 <= work.data) { |
shintamainjp | 0:ec264f4ce158 | 205 | work.bitcount++; |
shintamainjp | 0:ec264f4ce158 | 206 | work.data = 0; |
shintamainjp | 0:ec264f4ce158 | 207 | } else { |
shintamainjp | 0:ec264f4ce158 | 208 | work.data++; |
shintamainjp | 0:ec264f4ce158 | 209 | } |
shintamainjp | 0:ec264f4ce158 | 210 | } else { |
shintamainjp | 0:ec264f4ce158 | 211 | if (1 <= work.data) { |
shintamainjp | 0:ec264f4ce158 | 212 | work.bitcount++; |
shintamainjp | 0:ec264f4ce158 | 213 | work.data = 0; |
shintamainjp | 0:ec264f4ce158 | 214 | } else { |
shintamainjp | 0:ec264f4ce158 | 215 | work.data++; |
shintamainjp | 0:ec264f4ce158 | 216 | } |
shintamainjp | 0:ec264f4ce158 | 217 | } |
shintamainjp | 0:ec264f4ce158 | 218 | } |
shintamainjp | 0:ec264f4ce158 | 219 | if (data.bitlength <= work.bitcount) { |
shintamainjp | 0:ec264f4ce158 | 220 | work.state = Trailer; |
shintamainjp | 0:ec264f4ce158 | 221 | } |
shintamainjp | 0:ec264f4ce158 | 222 | } else { |
shintamainjp | 0:ec264f4ce158 | 223 | } |
shintamainjp | 0:ec264f4ce158 | 224 | break; |
shintamainjp | 0:ec264f4ce158 | 225 | case Trailer: |
shintamainjp | 0:ec264f4ce158 | 226 | if (data.format == RemoteIR::NEC) { |
shintamainjp | 0:ec264f4ce158 | 227 | /* |
shintamainjp | 0:ec264f4ce158 | 228 | * NEC. |
shintamainjp | 0:ec264f4ce158 | 229 | */ |
shintamainjp | 0:ec264f4ce158 | 230 | static const int TRAILER_NEC_HEAD = 1; |
shintamainjp | 0:ec264f4ce158 | 231 | static const int TRAILER_NEC_TAIL = 2; |
shintamainjp | 0:ec264f4ce158 | 232 | if (work.trailer < TRAILER_NEC_HEAD) { |
shintamainjp | 0:ec264f4ce158 | 233 | tx.write(0.5); |
shintamainjp | 0:ec264f4ce158 | 234 | } else { |
shintamainjp | 0:ec264f4ce158 | 235 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 236 | } |
shintamainjp | 0:ec264f4ce158 | 237 | work.trailer++; |
shintamainjp | 0:ec264f4ce158 | 238 | if ((TRAILER_NEC_HEAD + TRAILER_NEC_TAIL) <= work.trailer) { |
shintamainjp | 0:ec264f4ce158 | 239 | work.state = Idle; |
shintamainjp | 0:ec264f4ce158 | 240 | //ticker.detach(); |
shintamainjp | 0:ec264f4ce158 | 241 | } |
shintamainjp | 0:ec264f4ce158 | 242 | } else if (data.format == RemoteIR::AEHA) { |
shintamainjp | 0:ec264f4ce158 | 243 | /* |
shintamainjp | 0:ec264f4ce158 | 244 | * AEHA. |
shintamainjp | 0:ec264f4ce158 | 245 | */ |
shintamainjp | 0:ec264f4ce158 | 246 | static const int TRAILER_AEHA_HEAD = 1; |
shintamainjp | 0:ec264f4ce158 | 247 | static const int TRAILER_AEHA_TAIL = 8000 / TUS_AEHA; |
shintamainjp | 0:ec264f4ce158 | 248 | if (work.trailer < TRAILER_AEHA_HEAD) { |
shintamainjp | 0:ec264f4ce158 | 249 | tx.write(0.5); |
shintamainjp | 0:ec264f4ce158 | 250 | } else { |
shintamainjp | 0:ec264f4ce158 | 251 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 252 | } |
shintamainjp | 0:ec264f4ce158 | 253 | work.trailer++; |
shintamainjp | 0:ec264f4ce158 | 254 | if ((TRAILER_AEHA_HEAD + TRAILER_AEHA_TAIL) <= work.trailer) { |
shintamainjp | 0:ec264f4ce158 | 255 | work.state = Idle; |
shintamainjp | 0:ec264f4ce158 | 256 | //ticker.detach(); |
shintamainjp | 0:ec264f4ce158 | 257 | } |
shintamainjp | 0:ec264f4ce158 | 258 | } else if (data.format == RemoteIR::SONY) { |
shintamainjp | 0:ec264f4ce158 | 259 | /* |
shintamainjp | 0:ec264f4ce158 | 260 | * SONY. |
shintamainjp | 0:ec264f4ce158 | 261 | */ |
shintamainjp | 0:ec264f4ce158 | 262 | static const int TRAILER_SONY_HEAD = 0; |
shintamainjp | 0:ec264f4ce158 | 263 | static const int TRAILER_SONY_TAIL = 0; |
shintamainjp | 0:ec264f4ce158 | 264 | if (work.trailer < TRAILER_SONY_HEAD) { |
shintamainjp | 0:ec264f4ce158 | 265 | tx.write(0.5); |
shintamainjp | 0:ec264f4ce158 | 266 | } else { |
shintamainjp | 0:ec264f4ce158 | 267 | tx.write(0.0); |
shintamainjp | 0:ec264f4ce158 | 268 | } |
shintamainjp | 0:ec264f4ce158 | 269 | work.trailer++; |
shintamainjp | 0:ec264f4ce158 | 270 | if ((TRAILER_SONY_HEAD + TRAILER_SONY_TAIL) <= work.trailer) { |
shintamainjp | 0:ec264f4ce158 | 271 | work.state = Idle; |
shintamainjp | 0:ec264f4ce158 | 272 | //ticker.detach(); |
shintamainjp | 0:ec264f4ce158 | 273 | } |
shintamainjp | 0:ec264f4ce158 | 274 | } else { |
shintamainjp | 0:ec264f4ce158 | 275 | } |
shintamainjp | 0:ec264f4ce158 | 276 | break; |
shintamainjp | 0:ec264f4ce158 | 277 | default: |
shintamainjp | 0:ec264f4ce158 | 278 | break; |
shintamainjp | 0:ec264f4ce158 | 279 | } |
shintamainjp | 0:ec264f4ce158 | 280 | IRQ_ENABLE(); |
shintamainjp | 0:ec264f4ce158 | 281 | } |