Final Project / Mbed 2 deprecated Remote-Control

Final Project로 실제 점검에 사용된 코드

Dependencies:   mbed Adafruit_GFX

RemoteIR/TransmitterIR.cpp@0:22391cd705e2, 2019-06-15 (annotated)

Committer:
21400688
Date:
Sat Jun 15 20:52:15 2019 +0000
Revision:
0:22391cd705e2
vb

Who changed what in which revision?

UserRevisionLine numberNew contents of line
21400688 0:22391cd705e2 1 /**
21400688 0:22391cd705e2 2 * IR transmitter (Version 0.0.4)
21400688 0:22391cd705e2 3 *
21400688 0:22391cd705e2 4 * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
21400688 0:22391cd705e2 5 * http://shinta.main.jp/
21400688 0:22391cd705e2 6 */
21400688 0:22391cd705e2 7
21400688 0:22391cd705e2 8 #include "TransmitterIR.h"
21400688 0:22391cd705e2 9
21400688 0:22391cd705e2 10 #define LOCK()
21400688 0:22391cd705e2 11 #define UNLOCK()
21400688 0:22391cd705e2 12
21400688 0:22391cd705e2 13 /**
21400688 0:22391cd705e2 14 * Constructor.
21400688 0:22391cd705e2 15 *
21400688 0:22391cd705e2 16 * @param txpin Pin for transmit IR signal.
21400688 0:22391cd705e2 17 */
21400688 0:22391cd705e2 18 TransmitterIR::TransmitterIR(PinName txpin) : tx(txpin) {
21400688 0:22391cd705e2 19 tx.write(0.0);
21400688 0:22391cd705e2 20 tx.period_us(26.3);
21400688 0:22391cd705e2 21
21400688 0:22391cd705e2 22 work.state = Idle;
21400688 0:22391cd705e2 23 work.bitcount = 0;
21400688 0:22391cd705e2 24 work.leader = 0;
21400688 0:22391cd705e2 25 work.data = 0;
21400688 0:22391cd705e2 26 work.trailer = 0;
21400688 0:22391cd705e2 27
21400688 0:22391cd705e2 28 data.format = RemoteIR::UNKNOWN;
21400688 0:22391cd705e2 29 data.bitlength = 0;
21400688 0:22391cd705e2 30 }
21400688 0:22391cd705e2 31
21400688 0:22391cd705e2 32 /**
21400688 0:22391cd705e2 33 * Destructor.
21400688 0:22391cd705e2 34 */
21400688 0:22391cd705e2 35 TransmitterIR::~TransmitterIR() {
21400688 0:22391cd705e2 36 }
21400688 0:22391cd705e2 37
21400688 0:22391cd705e2 38 /**
21400688 0:22391cd705e2 39 * Get state.
21400688 0:22391cd705e2 40 *
21400688 0:22391cd705e2 41 * @return Current state.
21400688 0:22391cd705e2 42 */
21400688 0:22391cd705e2 43 TransmitterIR::State TransmitterIR::getState(void) {
21400688 0:22391cd705e2 44 LOCK();
21400688 0:22391cd705e2 45 State s = work.state;
21400688 0:22391cd705e2 46 UNLOCK();
21400688 0:22391cd705e2 47 return s;
21400688 0:22391cd705e2 48 }
21400688 0:22391cd705e2 49
21400688 0:22391cd705e2 50 /**
21400688 0:22391cd705e2 51 * Set data.
21400688 0:22391cd705e2 52 *
21400688 0:22391cd705e2 53 * @param format Format.
21400688 0:22391cd705e2 54 * @param buf Buffer of a data.
21400688 0:22391cd705e2 55 * @param bitlength Bit length of the data.
21400688 0:22391cd705e2 56 *
21400688 0:22391cd705e2 57 * @return Data bit length.
21400688 0:22391cd705e2 58 */
21400688 0:22391cd705e2 59 int TransmitterIR::setData(RemoteIR::Format format, uint8_t *buf, int bitlength) {
21400688 0:22391cd705e2 60 LOCK();
21400688 0:22391cd705e2 61 if (work.state != Idle) {
21400688 0:22391cd705e2 62 UNLOCK();
21400688 0:22391cd705e2 63 return -1;
21400688 0:22391cd705e2 64 }
21400688 0:22391cd705e2 65
21400688 0:22391cd705e2 66 work.state = Leader;
21400688 0:22391cd705e2 67 work.bitcount = 0;
21400688 0:22391cd705e2 68 work.leader = 0;
21400688 0:22391cd705e2 69 work.data = 0;
21400688 0:22391cd705e2 70 work.trailer = 0;
21400688 0:22391cd705e2 71
21400688 0:22391cd705e2 72 data.format = format;
21400688 0:22391cd705e2 73 data.bitlength = bitlength;
21400688 0:22391cd705e2 74 const int n = bitlength / 8 + (((bitlength % 8) != 0) ? 1 : 0);
21400688 0:22391cd705e2 75 for (int i = 0; i < n; i++) {
21400688 0:22391cd705e2 76 data.buffer[i] = buf[i];
21400688 0:22391cd705e2 77 }
21400688 0:22391cd705e2 78
21400688 0:22391cd705e2 79 switch (format) {
21400688 0:22391cd705e2 80 case RemoteIR::NEC:
21400688 0:22391cd705e2 81 ticker.detach();
21400688 0:22391cd705e2 82 ticker.attach_us(this, &TransmitterIR::tick, RemoteIR::TUS_NEC);
21400688 0:22391cd705e2 83 break;
21400688 0:22391cd705e2 84 case RemoteIR::AEHA:
21400688 0:22391cd705e2 85 ticker.detach();
21400688 0:22391cd705e2 86 ticker.attach_us(this, &TransmitterIR::tick, RemoteIR::TUS_AEHA);
21400688 0:22391cd705e2 87 break;
21400688 0:22391cd705e2 88 case RemoteIR::SONY:
21400688 0:22391cd705e2 89 ticker.detach();
21400688 0:22391cd705e2 90 ticker.attach_us(this, &TransmitterIR::tick, RemoteIR::TUS_SONY);
21400688 0:22391cd705e2 91 break;
21400688 0:22391cd705e2 92 }
21400688 0:22391cd705e2 93
21400688 0:22391cd705e2 94 UNLOCK();
21400688 0:22391cd705e2 95 return bitlength;
21400688 0:22391cd705e2 96 }
21400688 0:22391cd705e2 97
21400688 0:22391cd705e2 98 void TransmitterIR::tick(void) {
21400688 0:22391cd705e2 99 LOCK();
21400688 0:22391cd705e2 100 switch (work.state) {
21400688 0:22391cd705e2 101 case Idle:
21400688 0:22391cd705e2 102 work.bitcount = 0;
21400688 0:22391cd705e2 103 work.leader = 0;
21400688 0:22391cd705e2 104 work.data = 0;
21400688 0:22391cd705e2 105 work.trailer = 0;
21400688 0:22391cd705e2 106 break;
21400688 0:22391cd705e2 107 case Leader:
21400688 0:22391cd705e2 108 if (data.format == RemoteIR::NEC) {
21400688 0:22391cd705e2 109 /*
21400688 0:22391cd705e2 110 * NEC.
21400688 0:22391cd705e2 111 */
21400688 0:22391cd705e2 112 static const int LEADER_NEC_HEAD = 16;
21400688 0:22391cd705e2 113 static const int LEADER_NEC_TAIL = 8;
21400688 0:22391cd705e2 114 if (work.leader < LEADER_NEC_HEAD) {
21400688 0:22391cd705e2 115 tx.write(0.5);
21400688 0:22391cd705e2 116 } else {
21400688 0:22391cd705e2 117 tx.write(0.0);
21400688 0:22391cd705e2 118 }
21400688 0:22391cd705e2 119 work.leader++;
21400688 0:22391cd705e2 120 if ((LEADER_NEC_HEAD + LEADER_NEC_TAIL) <= work.leader) {
21400688 0:22391cd705e2 121 work.state = Data;
21400688 0:22391cd705e2 122 }
21400688 0:22391cd705e2 123 } else if (data.format == RemoteIR::AEHA) {
21400688 0:22391cd705e2 124 /*
21400688 0:22391cd705e2 125 * AEHA.
21400688 0:22391cd705e2 126 */
21400688 0:22391cd705e2 127 static const int LEADER_AEHA_HEAD = 8;
21400688 0:22391cd705e2 128 static const int LEADER_AEHA_TAIL = 4;
21400688 0:22391cd705e2 129 if (work.leader < LEADER_AEHA_HEAD) {
21400688 0:22391cd705e2 130 tx.write(0.5);
21400688 0:22391cd705e2 131 } else {
21400688 0:22391cd705e2 132 tx.write(0.0);
21400688 0:22391cd705e2 133 }
21400688 0:22391cd705e2 134 work.leader++;
21400688 0:22391cd705e2 135 if ((LEADER_AEHA_HEAD + LEADER_AEHA_TAIL) <= work.leader) {
21400688 0:22391cd705e2 136 work.state = Data;
21400688 0:22391cd705e2 137 }
21400688 0:22391cd705e2 138 } else if (data.format == RemoteIR::SONY) {
21400688 0:22391cd705e2 139 /*
21400688 0:22391cd705e2 140 * SONY.
21400688 0:22391cd705e2 141 */
21400688 0:22391cd705e2 142 static const int LEADER_SONY_HEAD = 4;
21400688 0:22391cd705e2 143 static const int LEADER_SONY_TAIL = 0;
21400688 0:22391cd705e2 144 if (work.leader < LEADER_SONY_HEAD) {
21400688 0:22391cd705e2 145 tx.write(0.5);
21400688 0:22391cd705e2 146 } else {
21400688 0:22391cd705e2 147 tx.write(0.0);
21400688 0:22391cd705e2 148 }
21400688 0:22391cd705e2 149 work.leader++;
21400688 0:22391cd705e2 150 if ((LEADER_SONY_HEAD + LEADER_SONY_TAIL) <= work.leader) {
21400688 0:22391cd705e2 151 work.state = Data;
21400688 0:22391cd705e2 152 }
21400688 0:22391cd705e2 153 } else {
21400688 0:22391cd705e2 154 }
21400688 0:22391cd705e2 155 break;
21400688 0:22391cd705e2 156 case Data:
21400688 0:22391cd705e2 157 if (data.format == RemoteIR::NEC) {
21400688 0:22391cd705e2 158 /*
21400688 0:22391cd705e2 159 * NEC.
21400688 0:22391cd705e2 160 */
21400688 0:22391cd705e2 161 if (work.data == 0) {
21400688 0:22391cd705e2 162 tx.write(0.5);
21400688 0:22391cd705e2 163 work.data++;
21400688 0:22391cd705e2 164 } else {
21400688 0:22391cd705e2 165 tx.write(0.0);
21400688 0:22391cd705e2 166 if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) {
21400688 0:22391cd705e2 167 if (3 <= work.data) {
21400688 0:22391cd705e2 168 work.bitcount++;
21400688 0:22391cd705e2 169 work.data = 0;
21400688 0:22391cd705e2 170 } else {
21400688 0:22391cd705e2 171 work.data++;
21400688 0:22391cd705e2 172 }
21400688 0:22391cd705e2 173 } else {
21400688 0:22391cd705e2 174 if (1 <= work.data) {
21400688 0:22391cd705e2 175 work.bitcount++;
21400688 0:22391cd705e2 176 work.data = 0;
21400688 0:22391cd705e2 177 } else {
21400688 0:22391cd705e2 178 work.data++;
21400688 0:22391cd705e2 179 }
21400688 0:22391cd705e2 180 }
21400688 0:22391cd705e2 181 }
21400688 0:22391cd705e2 182 if (data.bitlength <= work.bitcount) {
21400688 0:22391cd705e2 183 work.state = Trailer;
21400688 0:22391cd705e2 184 }
21400688 0:22391cd705e2 185 } else if (data.format == RemoteIR::AEHA) {
21400688 0:22391cd705e2 186 /*
21400688 0:22391cd705e2 187 * AEHA.
21400688 0:22391cd705e2 188 */
21400688 0:22391cd705e2 189 if (work.data == 0) {
21400688 0:22391cd705e2 190 tx.write(0.5);
21400688 0:22391cd705e2 191 work.data++;
21400688 0:22391cd705e2 192 } else {
21400688 0:22391cd705e2 193 tx.write(0.0);
21400688 0:22391cd705e2 194 if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) {
21400688 0:22391cd705e2 195 if (3 <= work.data) {
21400688 0:22391cd705e2 196 work.bitcount++;
21400688 0:22391cd705e2 197 work.data = 0;
21400688 0:22391cd705e2 198 } else {
21400688 0:22391cd705e2 199 work.data++;
21400688 0:22391cd705e2 200 }
21400688 0:22391cd705e2 201 } else {
21400688 0:22391cd705e2 202 if (1 <= work.data) {
21400688 0:22391cd705e2 203 work.bitcount++;
21400688 0:22391cd705e2 204 work.data = 0;
21400688 0:22391cd705e2 205 } else {
21400688 0:22391cd705e2 206 work.data++;
21400688 0:22391cd705e2 207 }
21400688 0:22391cd705e2 208 }
21400688 0:22391cd705e2 209 }
21400688 0:22391cd705e2 210 if (data.bitlength <= work.bitcount) {
21400688 0:22391cd705e2 211 work.state = Trailer;
21400688 0:22391cd705e2 212 }
21400688 0:22391cd705e2 213 } else if (data.format == RemoteIR::SONY) {
21400688 0:22391cd705e2 214 /*
21400688 0:22391cd705e2 215 * SONY.
21400688 0:22391cd705e2 216 */
21400688 0:22391cd705e2 217 if (work.data == 0) {
21400688 0:22391cd705e2 218 tx.write(0.0);
21400688 0:22391cd705e2 219 work.data++;
21400688 0:22391cd705e2 220 } else {
21400688 0:22391cd705e2 221 tx.write(0.5);
21400688 0:22391cd705e2 222 if (0 != (data.buffer[work.bitcount / 8] & (1 << work.bitcount % 8))) {
21400688 0:22391cd705e2 223 if (2 <= work.data) {
21400688 0:22391cd705e2 224 work.bitcount++;
21400688 0:22391cd705e2 225 work.data = 0;
21400688 0:22391cd705e2 226 } else {
21400688 0:22391cd705e2 227 work.data++;
21400688 0:22391cd705e2 228 }
21400688 0:22391cd705e2 229 } else {
21400688 0:22391cd705e2 230 if (1 <= work.data) {
21400688 0:22391cd705e2 231 work.bitcount++;
21400688 0:22391cd705e2 232 work.data = 0;
21400688 0:22391cd705e2 233 } else {
21400688 0:22391cd705e2 234 work.data++;
21400688 0:22391cd705e2 235 }
21400688 0:22391cd705e2 236 }
21400688 0:22391cd705e2 237 }
21400688 0:22391cd705e2 238 if (data.bitlength <= work.bitcount) {
21400688 0:22391cd705e2 239 work.state = Trailer;
21400688 0:22391cd705e2 240 }
21400688 0:22391cd705e2 241 } else {
21400688 0:22391cd705e2 242 }
21400688 0:22391cd705e2 243 break;
21400688 0:22391cd705e2 244 case Trailer:
21400688 0:22391cd705e2 245 if (data.format == RemoteIR::NEC) {
21400688 0:22391cd705e2 246 /*
21400688 0:22391cd705e2 247 * NEC.
21400688 0:22391cd705e2 248 */
21400688 0:22391cd705e2 249 static const int TRAILER_NEC_HEAD = 1;
21400688 0:22391cd705e2 250 static const int TRAILER_NEC_TAIL = 2;
21400688 0:22391cd705e2 251 if (work.trailer < TRAILER_NEC_HEAD) {
21400688 0:22391cd705e2 252 tx.write(0.5);
21400688 0:22391cd705e2 253 } else {
21400688 0:22391cd705e2 254 tx.write(0.0);
21400688 0:22391cd705e2 255 }
21400688 0:22391cd705e2 256 work.trailer++;
21400688 0:22391cd705e2 257 if ((TRAILER_NEC_HEAD + TRAILER_NEC_TAIL) <= work.trailer) {
21400688 0:22391cd705e2 258 work.state = Idle;
21400688 0:22391cd705e2 259 //ticker.detach();
21400688 0:22391cd705e2 260 }
21400688 0:22391cd705e2 261 } else if (data.format == RemoteIR::AEHA) {
21400688 0:22391cd705e2 262 /*
21400688 0:22391cd705e2 263 * AEHA.
21400688 0:22391cd705e2 264 */
21400688 0:22391cd705e2 265 static const int TRAILER_AEHA_HEAD = 1;
21400688 0:22391cd705e2 266 static const int TRAILER_AEHA_TAIL = 8000 / RemoteIR::TUS_AEHA;
21400688 0:22391cd705e2 267 if (work.trailer < TRAILER_AEHA_HEAD) {
21400688 0:22391cd705e2 268 tx.write(0.5);
21400688 0:22391cd705e2 269 } else {
21400688 0:22391cd705e2 270 tx.write(0.0);
21400688 0:22391cd705e2 271 }
21400688 0:22391cd705e2 272 work.trailer++;
21400688 0:22391cd705e2 273 if ((TRAILER_AEHA_HEAD + TRAILER_AEHA_TAIL) <= work.trailer) {
21400688 0:22391cd705e2 274 work.state = Idle;
21400688 0:22391cd705e2 275 //ticker.detach();
21400688 0:22391cd705e2 276 }
21400688 0:22391cd705e2 277 } else if (data.format == RemoteIR::SONY) {
21400688 0:22391cd705e2 278 /*
21400688 0:22391cd705e2 279 * SONY.
21400688 0:22391cd705e2 280 */
21400688 0:22391cd705e2 281 static const int TRAILER_SONY_HEAD = 0;
21400688 0:22391cd705e2 282 static const int TRAILER_SONY_TAIL = 0;
21400688 0:22391cd705e2 283 if (work.trailer < TRAILER_SONY_HEAD) {
21400688 0:22391cd705e2 284 tx.write(0.5);
21400688 0:22391cd705e2 285 } else {
21400688 0:22391cd705e2 286 tx.write(0.0);
21400688 0:22391cd705e2 287 }
21400688 0:22391cd705e2 288 work.trailer++;
21400688 0:22391cd705e2 289 if ((TRAILER_SONY_HEAD + TRAILER_SONY_TAIL) <= work.trailer) {
21400688 0:22391cd705e2 290 work.state = Idle;
21400688 0:22391cd705e2 291 //ticker.detach();
21400688 0:22391cd705e2 292 }
21400688 0:22391cd705e2 293 } else {
21400688 0:22391cd705e2 294 }
21400688 0:22391cd705e2 295 break;
21400688 0:22391cd705e2 296 default:
21400688 0:22391cd705e2 297 break;
21400688 0:22391cd705e2 298 }
21400688 0:22391cd705e2 299 UNLOCK();
21400688 0:22391cd705e2 300 }