| 1 | /* |
| 2 | * This file is part of the libCEC(R) library. |
| 3 | * |
| 4 | * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved. |
| 5 | * libCEC(R) is an original work, containing original code. |
| 6 | * |
| 7 | * libCEC(R) is a trademark of Pulse-Eight Limited. |
| 8 | * |
| 9 | * This program is dual-licensed; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 22 | * |
| 23 | * |
| 24 | * Alternatively, you can license this library under a commercial license, |
| 25 | * please contact Pulse-Eight Licensing for more information. |
| 26 | * |
| 27 | * For more information contact: |
| 28 | * Pulse-Eight Licensing <license@pulse-eight.com> |
| 29 | * http://www.pulse-eight.com/ |
| 30 | * http://www.pulse-eight.net/ |
| 31 | */ |
| 32 | |
| 33 | #include "CECCommandHandler.h" |
| 34 | #include "../devices/CECBusDevice.h" |
| 35 | #include "../devices/CECAudioSystem.h" |
| 36 | #include "../devices/CECPlaybackDevice.h" |
| 37 | #include "../CECProcessor.h" |
| 38 | #include "../LibCEC.h" |
| 39 | |
| 40 | using namespace CEC; |
| 41 | using namespace std; |
| 42 | using namespace PLATFORM; |
| 43 | |
| 44 | CCECCommandHandler::CCECCommandHandler(CCECBusDevice *busDevice) : |
| 45 | m_busDevice(busDevice), |
| 46 | m_processor(m_busDevice->GetProcessor()), |
| 47 | m_iTransmitTimeout(CEC_DEFAULT_TRANSMIT_TIMEOUT), |
| 48 | m_iTransmitWait(CEC_DEFAULT_TRANSMIT_WAIT), |
| 49 | m_iTransmitRetries(CEC_DEFAULT_TRANSMIT_RETRIES), |
| 50 | m_bHandlerInited(false), |
| 51 | m_iUseCounter(0), |
| 52 | m_expectedResponse(CEC_OPCODE_NONE), |
| 53 | m_bOPTSendDeckStatusUpdateOnActiveSource(false), |
| 54 | m_vendorId(CEC_VENDOR_UNKNOWN) |
| 55 | { |
| 56 | } |
| 57 | |
| 58 | CCECCommandHandler::~CCECCommandHandler(void) |
| 59 | { |
| 60 | CLockObject lock(m_processor->m_transmitMutex); |
| 61 | CLockObject receiveLock(m_receiveMutex); |
| 62 | m_condition.Broadcast(); |
| 63 | } |
| 64 | |
| 65 | bool CCECCommandHandler::HandleCommand(const cec_command &command) |
| 66 | { |
| 67 | bool bHandled(true); |
| 68 | |
| 69 | MarkBusy(); |
| 70 | CLibCEC::AddCommand(command); |
| 71 | |
| 72 | switch(command.opcode) |
| 73 | { |
| 74 | case CEC_OPCODE_REPORT_POWER_STATUS: |
| 75 | HandleReportPowerStatus(command); |
| 76 | break; |
| 77 | case CEC_OPCODE_CEC_VERSION: |
| 78 | HandleDeviceCecVersion(command); |
| 79 | break; |
| 80 | case CEC_OPCODE_SET_MENU_LANGUAGE: |
| 81 | HandleSetMenuLanguage(command); |
| 82 | break; |
| 83 | case CEC_OPCODE_GIVE_PHYSICAL_ADDRESS: |
| 84 | if (m_processor->IsInitialised()) |
| 85 | HandleGivePhysicalAddress(command); |
| 86 | break; |
| 87 | case CEC_OPCODE_GIVE_OSD_NAME: |
| 88 | if (m_processor->IsInitialised()) |
| 89 | HandleGiveOSDName(command); |
| 90 | break; |
| 91 | case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID: |
| 92 | if (m_processor->IsInitialised()) |
| 93 | HandleGiveDeviceVendorId(command); |
| 94 | break; |
| 95 | case CEC_OPCODE_DEVICE_VENDOR_ID: |
| 96 | HandleDeviceVendorId(command); |
| 97 | break; |
| 98 | case CEC_OPCODE_VENDOR_COMMAND_WITH_ID: |
| 99 | HandleDeviceVendorCommandWithId(command); |
| 100 | break; |
| 101 | case CEC_OPCODE_GIVE_DECK_STATUS: |
| 102 | if (m_processor->IsInitialised()) |
| 103 | HandleGiveDeckStatus(command); |
| 104 | break; |
| 105 | case CEC_OPCODE_DECK_CONTROL: |
| 106 | HandleDeckControl(command); |
| 107 | break; |
| 108 | case CEC_OPCODE_MENU_REQUEST: |
| 109 | if (m_processor->IsInitialised()) |
| 110 | HandleMenuRequest(command); |
| 111 | break; |
| 112 | case CEC_OPCODE_GIVE_DEVICE_POWER_STATUS: |
| 113 | if (m_processor->IsInitialised()) |
| 114 | HandleGiveDevicePowerStatus(command); |
| 115 | break; |
| 116 | case CEC_OPCODE_GET_CEC_VERSION: |
| 117 | if (m_processor->IsInitialised()) |
| 118 | HandleGetCecVersion(command); |
| 119 | break; |
| 120 | case CEC_OPCODE_USER_CONTROL_PRESSED: |
| 121 | if (m_processor->IsInitialised()) |
| 122 | HandleUserControlPressed(command); |
| 123 | break; |
| 124 | case CEC_OPCODE_USER_CONTROL_RELEASE: |
| 125 | if (m_processor->IsInitialised()) |
| 126 | HandleUserControlRelease(command); |
| 127 | break; |
| 128 | case CEC_OPCODE_GIVE_AUDIO_STATUS: |
| 129 | if (m_processor->IsInitialised()) |
| 130 | HandleGiveAudioStatus(command); |
| 131 | break; |
| 132 | case CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS: |
| 133 | if (m_processor->IsInitialised()) |
| 134 | HandleGiveSystemAudioModeStatus(command); |
| 135 | break; |
| 136 | case CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST: |
| 137 | if (m_processor->IsInitialised()) |
| 138 | HandleSystemAudioModeRequest(command); |
| 139 | break; |
| 140 | case CEC_OPCODE_REPORT_AUDIO_STATUS: |
| 141 | HandleReportAudioStatus(command); |
| 142 | break; |
| 143 | case CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS: |
| 144 | HandleSystemAudioModeStatus(command); |
| 145 | break; |
| 146 | case CEC_OPCODE_SET_SYSTEM_AUDIO_MODE: |
| 147 | HandleSetSystemAudioMode(command); |
| 148 | break; |
| 149 | case CEC_OPCODE_REQUEST_ACTIVE_SOURCE: |
| 150 | if (m_processor->IsInitialised()) |
| 151 | HandleRequestActiveSource(command); |
| 152 | break; |
| 153 | case CEC_OPCODE_SET_STREAM_PATH: |
| 154 | HandleSetStreamPath(command); |
| 155 | break; |
| 156 | case CEC_OPCODE_ROUTING_CHANGE: |
| 157 | HandleRoutingChange(command); |
| 158 | break; |
| 159 | case CEC_OPCODE_ROUTING_INFORMATION: |
| 160 | HandleRoutingInformation(command); |
| 161 | break; |
| 162 | case CEC_OPCODE_STANDBY: |
| 163 | if (m_processor->IsInitialised()) |
| 164 | HandleStandby(command); |
| 165 | break; |
| 166 | case CEC_OPCODE_ACTIVE_SOURCE: |
| 167 | HandleActiveSource(command); |
| 168 | break; |
| 169 | case CEC_OPCODE_REPORT_PHYSICAL_ADDRESS: |
| 170 | HandleReportPhysicalAddress(command); |
| 171 | break; |
| 172 | case CEC_OPCODE_SET_OSD_NAME: |
| 173 | HandleSetOSDName(command); |
| 174 | break; |
| 175 | case CEC_OPCODE_IMAGE_VIEW_ON: |
| 176 | HandleImageViewOn(command); |
| 177 | break; |
| 178 | case CEC_OPCODE_TEXT_VIEW_ON: |
| 179 | HandleTextViewOn(command); |
| 180 | break; |
| 181 | case CEC_OPCODE_FEATURE_ABORT: |
| 182 | HandleFeatureAbort(command); |
| 183 | break; |
| 184 | case CEC_OPCODE_VENDOR_COMMAND: |
| 185 | HandleVendorCommand(command); |
| 186 | break; |
| 187 | default: |
| 188 | UnhandledCommand(command); |
| 189 | bHandled = false; |
| 190 | break; |
| 191 | } |
| 192 | |
| 193 | if (bHandled) |
| 194 | { |
| 195 | CLockObject lock(m_receiveMutex); |
| 196 | if (m_expectedResponse == CEC_OPCODE_NONE || |
| 197 | m_expectedResponse == command.opcode) |
| 198 | m_condition.Signal(); |
| 199 | } |
| 200 | |
| 201 | MarkReady(); |
| 202 | return bHandled; |
| 203 | } |
| 204 | |
| 205 | bool CCECCommandHandler::HandleActiveSource(const cec_command &command) |
| 206 | { |
| 207 | if (command.parameters.size == 2) |
| 208 | { |
| 209 | uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]); |
| 210 | return m_processor->SetActiveSource(iAddress); |
| 211 | } |
| 212 | |
| 213 | return true; |
| 214 | } |
| 215 | |
| 216 | bool CCECCommandHandler::HandleDeckControl(const cec_command &command) |
| 217 | { |
| 218 | CCECBusDevice *device = GetDevice(command.destination); |
| 219 | if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) && command.parameters.size > 0) |
| 220 | { |
| 221 | ((CCECPlaybackDevice *) device)->SetDeckControlMode((cec_deck_control_mode) command.parameters[0]); |
| 222 | return true; |
| 223 | } |
| 224 | |
| 225 | return false; |
| 226 | } |
| 227 | |
| 228 | bool CCECCommandHandler::HandleDeviceCecVersion(const cec_command &command) |
| 229 | { |
| 230 | if (command.parameters.size == 1) |
| 231 | { |
| 232 | CCECBusDevice *device = GetDevice(command.initiator); |
| 233 | if (device) |
| 234 | device->SetCecVersion((cec_version) command.parameters[0]); |
| 235 | } |
| 236 | |
| 237 | return true; |
| 238 | } |
| 239 | |
| 240 | bool CCECCommandHandler::HandleDeviceVendorCommandWithId(const cec_command &command) |
| 241 | { |
| 242 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 243 | m_processor->TransmitAbort(command.initiator, command.opcode, CEC_ABORT_REASON_REFUSED); |
| 244 | |
| 245 | return true; |
| 246 | } |
| 247 | |
| 248 | bool CCECCommandHandler::HandleDeviceVendorId(const cec_command &command) |
| 249 | { |
| 250 | return SetVendorId(command); |
| 251 | } |
| 252 | |
| 253 | bool CCECCommandHandler::HandleFeatureAbort(const cec_command &command) |
| 254 | { |
| 255 | if (command.parameters.size == 2) |
| 256 | { |
| 257 | m_processor->m_busDevices[command.initiator]->SetUnsupportedFeature((cec_opcode)command.parameters[0]); |
| 258 | } |
| 259 | return true; |
| 260 | } |
| 261 | |
| 262 | bool CCECCommandHandler::HandleGetCecVersion(const cec_command &command) |
| 263 | { |
| 264 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 265 | { |
| 266 | CCECBusDevice *device = GetDevice(command.destination); |
| 267 | if (device) |
| 268 | return device->TransmitCECVersion(command.initiator); |
| 269 | } |
| 270 | |
| 271 | return false; |
| 272 | } |
| 273 | |
| 274 | bool CCECCommandHandler::HandleGiveAudioStatus(const cec_command &command) |
| 275 | { |
| 276 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 277 | { |
| 278 | CCECBusDevice *device = GetDevice(command.destination); |
| 279 | if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM) |
| 280 | return ((CCECAudioSystem *) device)->TransmitAudioStatus(command.initiator); |
| 281 | } |
| 282 | |
| 283 | return false; |
| 284 | } |
| 285 | |
| 286 | bool CCECCommandHandler::HandleGiveDeckStatus(const cec_command &command) |
| 287 | { |
| 288 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 289 | { |
| 290 | CCECBusDevice *device = GetDevice(command.destination); |
| 291 | if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)) |
| 292 | return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator); |
| 293 | } |
| 294 | |
| 295 | return false; |
| 296 | } |
| 297 | |
| 298 | bool CCECCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command) |
| 299 | { |
| 300 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 301 | { |
| 302 | CCECBusDevice *device = GetDevice(command.destination); |
| 303 | if (device) |
| 304 | return device->TransmitPowerState(command.initiator); |
| 305 | } |
| 306 | |
| 307 | return false; |
| 308 | } |
| 309 | |
| 310 | bool CCECCommandHandler::HandleGiveDeviceVendorId(const cec_command &command) |
| 311 | { |
| 312 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 313 | { |
| 314 | CCECBusDevice *device = GetDevice(command.destination); |
| 315 | if (device) |
| 316 | return device->TransmitVendorID(command.initiator); |
| 317 | } |
| 318 | |
| 319 | return false; |
| 320 | } |
| 321 | |
| 322 | bool CCECCommandHandler::HandleGiveOSDName(const cec_command &command) |
| 323 | { |
| 324 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 325 | { |
| 326 | CCECBusDevice *device = GetDevice(command.destination); |
| 327 | if (device) |
| 328 | return device->TransmitOSDName(command.initiator); |
| 329 | } |
| 330 | |
| 331 | return false; |
| 332 | } |
| 333 | |
| 334 | bool CCECCommandHandler::HandleGivePhysicalAddress(const cec_command &command) |
| 335 | { |
| 336 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 337 | { |
| 338 | CCECBusDevice *device = GetDevice(command.destination); |
| 339 | if (device) |
| 340 | { |
| 341 | device->SetActiveSource(); |
| 342 | return device->TransmitPhysicalAddress() && |
| 343 | device->TransmitActiveSource(); |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | return false; |
| 348 | } |
| 349 | |
| 350 | bool CCECCommandHandler::HandleGiveSystemAudioModeStatus(const cec_command &command) |
| 351 | { |
| 352 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 353 | { |
| 354 | CCECBusDevice *device = GetDevice(command.destination); |
| 355 | if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM) |
| 356 | return ((CCECAudioSystem *) device)->TransmitSystemAudioModeStatus(command.initiator); |
| 357 | } |
| 358 | |
| 359 | return false; |
| 360 | } |
| 361 | |
| 362 | bool CCECCommandHandler::HandleImageViewOn(const cec_command &command) |
| 363 | { |
| 364 | m_processor->m_busDevices[command.initiator]->SetActiveSource(); |
| 365 | return true; |
| 366 | } |
| 367 | |
| 368 | bool CCECCommandHandler::HandleMenuRequest(const cec_command &command) |
| 369 | { |
| 370 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 371 | { |
| 372 | if (command.parameters[0] == CEC_MENU_REQUEST_TYPE_QUERY) |
| 373 | { |
| 374 | CCECBusDevice *device = GetDevice(command.destination); |
| 375 | if (device) |
| 376 | return device->TransmitMenuState(command.initiator); |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | return false; |
| 381 | } |
| 382 | |
| 383 | bool CCECCommandHandler::HandleReportAudioStatus(const cec_command &command) |
| 384 | { |
| 385 | if (command.parameters.size == 1) |
| 386 | { |
| 387 | CCECBusDevice *device = GetDevice(command.initiator); |
| 388 | if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM) |
| 389 | { |
| 390 | ((CCECAudioSystem *)device)->SetAudioStatus(command.parameters[0]); |
| 391 | return true; |
| 392 | } |
| 393 | } |
| 394 | return false; |
| 395 | } |
| 396 | |
| 397 | bool CCECCommandHandler::HandleReportPhysicalAddress(const cec_command &command) |
| 398 | { |
| 399 | if (command.parameters.size == 3) |
| 400 | { |
| 401 | uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]); |
| 402 | SetPhysicalAddress(command.initiator, iNewAddress); |
| 403 | } |
| 404 | return true; |
| 405 | } |
| 406 | |
| 407 | bool CCECCommandHandler::HandleReportPowerStatus(const cec_command &command) |
| 408 | { |
| 409 | if (command.parameters.size == 1) |
| 410 | { |
| 411 | CCECBusDevice *device = GetDevice(command.initiator); |
| 412 | if (device) |
| 413 | device->SetPowerStatus((cec_power_status) command.parameters[0]); |
| 414 | } |
| 415 | return true; |
| 416 | } |
| 417 | |
| 418 | bool CCECCommandHandler::HandleRequestActiveSource(const cec_command &command) |
| 419 | { |
| 420 | if (m_processor->IsStarted()) |
| 421 | { |
| 422 | CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i requests active source", (uint8_t) command.initiator); |
| 423 | |
| 424 | vector<CCECBusDevice *> devices; |
| 425 | for (size_t iDevicePtr = 0; iDevicePtr < GetMyDevices(devices); iDevicePtr++) |
| 426 | devices[iDevicePtr]->TransmitActiveSource(); |
| 427 | |
| 428 | return true; |
| 429 | } |
| 430 | return false; |
| 431 | } |
| 432 | |
| 433 | bool CCECCommandHandler::HandleRoutingChange(const cec_command &command) |
| 434 | { |
| 435 | if (command.parameters.size == 4) |
| 436 | { |
| 437 | uint16_t iOldAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]); |
| 438 | uint16_t iNewAddress = ((uint16_t)command.parameters[2] << 8) | ((uint16_t)command.parameters[3]); |
| 439 | |
| 440 | CCECBusDevice *device = GetDevice(command.initiator); |
| 441 | if (device) |
| 442 | device->SetStreamPath(iNewAddress, iOldAddress); |
| 443 | } |
| 444 | return true; |
| 445 | } |
| 446 | |
| 447 | bool CCECCommandHandler::HandleRoutingInformation(const cec_command &command) |
| 448 | { |
| 449 | if (command.parameters.size == 2) |
| 450 | { |
| 451 | uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]); |
| 452 | m_processor->SetActiveSource(iNewAddress); |
| 453 | } |
| 454 | |
| 455 | return false; |
| 456 | } |
| 457 | |
| 458 | bool CCECCommandHandler::HandleSetMenuLanguage(const cec_command &command) |
| 459 | { |
| 460 | if (command.parameters.size == 3) |
| 461 | { |
| 462 | CCECBusDevice *device = GetDevice(command.initiator); |
| 463 | if (device) |
| 464 | { |
| 465 | cec_menu_language language; |
| 466 | language.device = command.initiator; |
| 467 | for (uint8_t iPtr = 0; iPtr < 4; iPtr++) |
| 468 | language.language[iPtr] = command.parameters[iPtr]; |
| 469 | language.language[3] = 0; |
| 470 | device->SetMenuLanguage(language); |
| 471 | return true; |
| 472 | } |
| 473 | } |
| 474 | return false; |
| 475 | } |
| 476 | |
| 477 | bool CCECCommandHandler::HandleSetOSDName(const cec_command &command) |
| 478 | { |
| 479 | if (command.parameters.size > 0) |
| 480 | { |
| 481 | CCECBusDevice *device = GetDevice(command.initiator); |
| 482 | if (device) |
| 483 | { |
| 484 | char buf[1024]; |
| 485 | for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++) |
| 486 | buf[iPtr] = (char)command.parameters[iPtr]; |
| 487 | buf[command.parameters.size] = 0; |
| 488 | |
| 489 | CStdString strName(buf); |
| 490 | device->SetOSDName(strName); |
| 491 | |
| 492 | return true; |
| 493 | } |
| 494 | } |
| 495 | return false; |
| 496 | } |
| 497 | |
| 498 | bool CCECCommandHandler::HandleSetStreamPath(const cec_command &command) |
| 499 | { |
| 500 | if (m_processor->IsStarted() && command.parameters.size >= 2) |
| 501 | { |
| 502 | uint16_t iStreamAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]); |
| 503 | CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i sets stream path to physical address %04x", command.initiator, iStreamAddress); |
| 504 | |
| 505 | /* one of the device handled by libCEC has been made active */ |
| 506 | CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamAddress); |
| 507 | if (device && m_busDevice->MyLogicalAddressContains(device->GetLogicalAddress())) |
| 508 | { |
| 509 | device->SetActiveSource(); |
| 510 | device->TransmitActiveSource(); |
| 511 | |
| 512 | device->SetMenuState(CEC_MENU_STATE_ACTIVATED); |
| 513 | device->TransmitMenuState(command.initiator); |
| 514 | } |
| 515 | } |
| 516 | return false; |
| 517 | } |
| 518 | |
| 519 | bool CCECCommandHandler::HandleSystemAudioModeRequest(const cec_command &command) |
| 520 | { |
| 521 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 522 | { |
| 523 | CCECBusDevice *device = GetDevice(command.destination); |
| 524 | if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM) |
| 525 | { |
| 526 | if (command.parameters.size >= 2) |
| 527 | { |
| 528 | device->SetPowerStatus(CEC_POWER_STATUS_ON); |
| 529 | ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_ON); |
| 530 | uint16_t iNewAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]); |
| 531 | CCECBusDevice *newActiveDevice = GetDeviceByPhysicalAddress(iNewAddress); |
| 532 | if (newActiveDevice) |
| 533 | newActiveDevice->SetActiveSource(); |
| 534 | return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator); |
| 535 | } |
| 536 | else |
| 537 | { |
| 538 | ((CCECAudioSystem *) device)->SetSystemAudioModeStatus(CEC_SYSTEM_AUDIO_STATUS_OFF); |
| 539 | return ((CCECAudioSystem *) device)->TransmitSetSystemAudioMode(command.initiator); |
| 540 | } |
| 541 | } |
| 542 | } |
| 543 | return false; |
| 544 | } |
| 545 | |
| 546 | bool CCECCommandHandler::HandleStandby(const cec_command &command) |
| 547 | { |
| 548 | CCECBusDevice *device = GetDevice(command.initiator); |
| 549 | if (device) |
| 550 | device->SetPowerStatus(CEC_POWER_STATUS_STANDBY); |
| 551 | |
| 552 | return true; |
| 553 | } |
| 554 | |
| 555 | bool CCECCommandHandler::HandleSystemAudioModeStatus(const cec_command &command) |
| 556 | { |
| 557 | if (command.parameters.size == 1) |
| 558 | { |
| 559 | CCECBusDevice *device = GetDevice(command.initiator); |
| 560 | if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM) |
| 561 | { |
| 562 | ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]); |
| 563 | return true; |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | return false; |
| 568 | } |
| 569 | |
| 570 | bool CCECCommandHandler::HandleSetSystemAudioMode(const cec_command &command) |
| 571 | { |
| 572 | if (command.parameters.size == 1) |
| 573 | { |
| 574 | CCECBusDevice *device = GetDevice(command.initiator); |
| 575 | if (device && device->GetType() == CEC_DEVICE_TYPE_AUDIO_SYSTEM) |
| 576 | { |
| 577 | ((CCECAudioSystem *)device)->SetSystemAudioModeStatus((cec_system_audio_status)command.parameters[0]); |
| 578 | return true; |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | return false; |
| 583 | } |
| 584 | |
| 585 | bool CCECCommandHandler::HandleTextViewOn(const cec_command &command) |
| 586 | { |
| 587 | m_processor->m_busDevices[command.initiator]->SetActiveSource(); |
| 588 | return true; |
| 589 | } |
| 590 | |
| 591 | bool CCECCommandHandler::HandleUserControlPressed(const cec_command &command) |
| 592 | { |
| 593 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination) && command.parameters.size > 0) |
| 594 | { |
| 595 | CLibCEC::AddKey(); |
| 596 | |
| 597 | if (command.parameters[0] <= CEC_USER_CONTROL_CODE_MAX) |
| 598 | { |
| 599 | if (command.parameters[0] == CEC_USER_CONTROL_CODE_POWER || |
| 600 | command.parameters[0] == CEC_USER_CONTROL_CODE_POWER_ON_FUNCTION) |
| 601 | { |
| 602 | CCECBusDevice *device = GetDevice(command.destination); |
| 603 | if (device) |
| 604 | { |
| 605 | device->SetPowerStatus(CEC_POWER_STATUS_ON); |
| 606 | if (device->MyLogicalAddressContains(device->GetLogicalAddress())) |
| 607 | { |
| 608 | device->SetActiveSource(); |
| 609 | device->TransmitActiveSource(); |
| 610 | |
| 611 | if (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || |
| 612 | device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) |
| 613 | ((CCECPlaybackDevice *)device)->TransmitDeckStatus(command.initiator); |
| 614 | } |
| 615 | } |
| 616 | } |
| 617 | else |
| 618 | { |
| 619 | CLibCEC::SetCurrentButton((cec_user_control_code) command.parameters[0]); |
| 620 | } |
| 621 | return true; |
| 622 | } |
| 623 | } |
| 624 | return false; |
| 625 | } |
| 626 | |
| 627 | bool CCECCommandHandler::HandleUserControlRelease(const cec_command &command) |
| 628 | { |
| 629 | if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination)) |
| 630 | CLibCEC::AddKey(); |
| 631 | |
| 632 | return true; |
| 633 | } |
| 634 | |
| 635 | bool CCECCommandHandler::HandleVendorCommand(const cec_command & UNUSED(command)) |
| 636 | { |
| 637 | return true; |
| 638 | } |
| 639 | |
| 640 | void CCECCommandHandler::UnhandledCommand(const cec_command &command) |
| 641 | { |
| 642 | CLibCEC::AddLog(CEC_LOG_DEBUG, "unhandled command with opcode %02x from address %d", command.opcode, command.initiator); |
| 643 | } |
| 644 | |
| 645 | size_t CCECCommandHandler::GetMyDevices(vector<CCECBusDevice *> &devices) const |
| 646 | { |
| 647 | size_t iReturn(0); |
| 648 | |
| 649 | cec_logical_addresses addresses = m_processor->GetLogicalAddresses(); |
| 650 | for (uint8_t iPtr = 0; iPtr < 16; iPtr++) |
| 651 | { |
| 652 | if (addresses[iPtr]) |
| 653 | { |
| 654 | devices.push_back(GetDevice((cec_logical_address) iPtr)); |
| 655 | ++iReturn; |
| 656 | } |
| 657 | } |
| 658 | |
| 659 | return iReturn; |
| 660 | } |
| 661 | |
| 662 | CCECBusDevice *CCECCommandHandler::GetDevice(cec_logical_address iLogicalAddress) const |
| 663 | { |
| 664 | CCECBusDevice *device = NULL; |
| 665 | |
| 666 | if (iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST) |
| 667 | device = m_processor->m_busDevices[iLogicalAddress]; |
| 668 | |
| 669 | return device; |
| 670 | } |
| 671 | |
| 672 | CCECBusDevice *CCECCommandHandler::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const |
| 673 | { |
| 674 | return m_processor->GetDeviceByPhysicalAddress(iPhysicalAddress); |
| 675 | } |
| 676 | |
| 677 | CCECBusDevice *CCECCommandHandler::GetDeviceByType(cec_device_type type) const |
| 678 | { |
| 679 | return m_processor->GetDeviceByType(type); |
| 680 | } |
| 681 | |
| 682 | bool CCECCommandHandler::SetVendorId(const cec_command &command) |
| 683 | { |
| 684 | bool bChanged(false); |
| 685 | if (command.parameters.size < 3) |
| 686 | { |
| 687 | CLibCEC::AddLog(CEC_LOG_WARNING, "invalid vendor ID received"); |
| 688 | return bChanged; |
| 689 | } |
| 690 | |
| 691 | uint64_t iVendorId = ((uint64_t)command.parameters[0] << 16) + |
| 692 | ((uint64_t)command.parameters[1] << 8) + |
| 693 | (uint64_t)command.parameters[2]; |
| 694 | |
| 695 | CCECBusDevice *device = GetDevice((cec_logical_address) command.initiator); |
| 696 | if (device) |
| 697 | bChanged = device->SetVendorId(iVendorId); |
| 698 | return bChanged; |
| 699 | } |
| 700 | |
| 701 | void CCECCommandHandler::SetPhysicalAddress(cec_logical_address iAddress, uint16_t iNewAddress) |
| 702 | { |
| 703 | if (!m_busDevice->MyLogicalAddressContains(iAddress)) |
| 704 | { |
| 705 | bool bOurAddress(m_processor->GetPhysicalAddress() == iNewAddress); |
| 706 | GetDevice(iAddress)->SetPhysicalAddress(iNewAddress); |
| 707 | if (bOurAddress) |
| 708 | { |
| 709 | /* another device reported the same physical address as ours |
| 710 | * since we don't have physical address detection yet, we'll just use the |
| 711 | * given address, increased by 0x100 for now */ |
| 712 | m_processor->SetPhysicalAddress(iNewAddress + 0x100); |
| 713 | } |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | void CCECCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 718 | { |
| 719 | CLibCEC::AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", m_processor->ToString(iInitiator), iInitiator, m_processor->ToString(iDestination), iDestination); |
| 720 | } |
| 721 | |
| 722 | bool CCECCommandHandler::HandleReceiveFailed(void) |
| 723 | { |
| 724 | /* default = error */ |
| 725 | return true; |
| 726 | } |
| 727 | |
| 728 | bool CCECCommandHandler::TransmitImageViewOn(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 729 | { |
| 730 | cec_command command; |
| 731 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_IMAGE_VIEW_ON); |
| 732 | |
| 733 | return Transmit(command, false); |
| 734 | } |
| 735 | |
| 736 | bool CCECCommandHandler::TransmitStandby(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 737 | { |
| 738 | cec_command command; |
| 739 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_STANDBY); |
| 740 | |
| 741 | return Transmit(command, false); |
| 742 | } |
| 743 | |
| 744 | bool CCECCommandHandler::TransmitRequestCecVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 745 | { |
| 746 | cec_command command; |
| 747 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_CEC_VERSION); |
| 748 | |
| 749 | return Transmit(command, true, CEC_OPCODE_CEC_VERSION); |
| 750 | } |
| 751 | |
| 752 | bool CCECCommandHandler::TransmitRequestMenuLanguage(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 753 | { |
| 754 | cec_command command; |
| 755 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GET_MENU_LANGUAGE); |
| 756 | |
| 757 | return Transmit(command, true, CEC_OPCODE_SET_MENU_LANGUAGE); |
| 758 | } |
| 759 | |
| 760 | bool CCECCommandHandler::TransmitRequestOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 761 | { |
| 762 | cec_command command; |
| 763 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_OSD_NAME); |
| 764 | |
| 765 | return Transmit(command, true, CEC_OPCODE_SET_OSD_NAME); |
| 766 | } |
| 767 | |
| 768 | bool CCECCommandHandler::TransmitRequestPhysicalAddress(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 769 | { |
| 770 | cec_command command; |
| 771 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_PHYSICAL_ADDRESS); |
| 772 | |
| 773 | return Transmit(command, true, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS); |
| 774 | } |
| 775 | |
| 776 | bool CCECCommandHandler::TransmitRequestPowerStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 777 | { |
| 778 | cec_command command; |
| 779 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS); |
| 780 | |
| 781 | return Transmit(command, true, CEC_OPCODE_REPORT_POWER_STATUS); |
| 782 | } |
| 783 | |
| 784 | bool CCECCommandHandler::TransmitRequestVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 785 | { |
| 786 | cec_command command; |
| 787 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID); |
| 788 | |
| 789 | return Transmit(command, true, CEC_OPCODE_DEVICE_VENDOR_ID); |
| 790 | } |
| 791 | |
| 792 | bool CCECCommandHandler::TransmitActiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress) |
| 793 | { |
| 794 | cec_command command; |
| 795 | cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE); |
| 796 | command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF)); |
| 797 | command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF)); |
| 798 | |
| 799 | return Transmit(command, false); |
| 800 | } |
| 801 | |
| 802 | bool CCECCommandHandler::TransmitCECVersion(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_version cecVersion) |
| 803 | { |
| 804 | cec_command command; |
| 805 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_CEC_VERSION); |
| 806 | command.parameters.PushBack((uint8_t)cecVersion); |
| 807 | |
| 808 | return Transmit(command, false); |
| 809 | } |
| 810 | |
| 811 | bool CCECCommandHandler::TransmitInactiveSource(const cec_logical_address iInitiator, uint16_t iPhysicalAddress) |
| 812 | { |
| 813 | cec_command command; |
| 814 | cec_command::Format(command, iInitiator, CECDEVICE_TV, CEC_OPCODE_INACTIVE_SOURCE); |
| 815 | command.parameters.PushBack((iPhysicalAddress >> 8) & 0xFF); |
| 816 | command.parameters.PushBack(iPhysicalAddress & 0xFF); |
| 817 | |
| 818 | return Transmit(command, false); |
| 819 | } |
| 820 | |
| 821 | bool CCECCommandHandler::TransmitMenuState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_menu_state menuState) |
| 822 | { |
| 823 | cec_command command; |
| 824 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_MENU_STATUS); |
| 825 | command.parameters.PushBack((uint8_t)menuState); |
| 826 | |
| 827 | return Transmit(command, false); |
| 828 | } |
| 829 | |
| 830 | bool CCECCommandHandler::TransmitOSDName(const cec_logical_address iInitiator, const cec_logical_address iDestination, CStdString strDeviceName) |
| 831 | { |
| 832 | cec_command command; |
| 833 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_NAME); |
| 834 | for (size_t iPtr = 0; iPtr < strDeviceName.length(); iPtr++) |
| 835 | command.parameters.PushBack(strDeviceName.at(iPtr)); |
| 836 | |
| 837 | return Transmit(command, false); |
| 838 | } |
| 839 | |
| 840 | bool CCECCommandHandler::TransmitOSDString(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_display_control duration, const char *strMessage) |
| 841 | { |
| 842 | cec_command command; |
| 843 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_OSD_STRING); |
| 844 | command.parameters.PushBack((uint8_t)duration); |
| 845 | |
| 846 | size_t iLen = strlen(strMessage); |
| 847 | if (iLen > 13) iLen = 13; |
| 848 | |
| 849 | for (size_t iPtr = 0; iPtr < iLen; iPtr++) |
| 850 | command.parameters.PushBack(strMessage[iPtr]); |
| 851 | |
| 852 | return Transmit(command, false); |
| 853 | } |
| 854 | |
| 855 | bool CCECCommandHandler::TransmitPhysicalAddress(const cec_logical_address iInitiator, uint16_t iPhysicalAddress, cec_device_type type) |
| 856 | { |
| 857 | cec_command command; |
| 858 | cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS); |
| 859 | command.parameters.PushBack((uint8_t) ((iPhysicalAddress >> 8) & 0xFF)); |
| 860 | command.parameters.PushBack((uint8_t) (iPhysicalAddress & 0xFF)); |
| 861 | command.parameters.PushBack((uint8_t) (type)); |
| 862 | |
| 863 | return Transmit(command, false); |
| 864 | } |
| 865 | |
| 866 | bool CCECCommandHandler::TransmitPoll(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 867 | { |
| 868 | cec_command command; |
| 869 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_NONE); |
| 870 | |
| 871 | return Transmit(command, false); |
| 872 | } |
| 873 | |
| 874 | bool CCECCommandHandler::TransmitPowerState(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_power_status state) |
| 875 | { |
| 876 | cec_command command; |
| 877 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_POWER_STATUS); |
| 878 | command.parameters.PushBack((uint8_t) state); |
| 879 | |
| 880 | return Transmit(command, false); |
| 881 | } |
| 882 | |
| 883 | bool CCECCommandHandler::TransmitVendorID(const cec_logical_address iInitiator, uint64_t iVendorId) |
| 884 | { |
| 885 | cec_command command; |
| 886 | cec_command::Format(command, iInitiator, CECDEVICE_BROADCAST, CEC_OPCODE_DEVICE_VENDOR_ID); |
| 887 | |
| 888 | command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 16) & 0xFF)); |
| 889 | command.parameters.PushBack((uint8_t) (((uint64_t)iVendorId >> 8) & 0xFF)); |
| 890 | command.parameters.PushBack((uint8_t) ((uint64_t)iVendorId & 0xFF)); |
| 891 | |
| 892 | return Transmit(command, false); |
| 893 | } |
| 894 | |
| 895 | bool CCECCommandHandler::TransmitAudioStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, uint8_t state) |
| 896 | { |
| 897 | cec_command command; |
| 898 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_REPORT_AUDIO_STATUS); |
| 899 | command.parameters.PushBack(state); |
| 900 | |
| 901 | return Transmit(command, false); |
| 902 | } |
| 903 | |
| 904 | bool CCECCommandHandler::TransmitSetSystemAudioMode(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state) |
| 905 | { |
| 906 | cec_command command; |
| 907 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SET_SYSTEM_AUDIO_MODE); |
| 908 | command.parameters.PushBack((uint8_t)state); |
| 909 | |
| 910 | return Transmit(command, false); |
| 911 | } |
| 912 | |
| 913 | bool CCECCommandHandler::TransmitSystemAudioModeStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_system_audio_status state) |
| 914 | { |
| 915 | cec_command command; |
| 916 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS); |
| 917 | command.parameters.PushBack((uint8_t)state); |
| 918 | |
| 919 | return Transmit(command, false); |
| 920 | } |
| 921 | |
| 922 | bool CCECCommandHandler::TransmitDeckStatus(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_deck_info state) |
| 923 | { |
| 924 | cec_command command; |
| 925 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_DECK_STATUS); |
| 926 | command.PushBack((uint8_t)state); |
| 927 | |
| 928 | return Transmit(command, false); |
| 929 | } |
| 930 | |
| 931 | bool CCECCommandHandler::TransmitKeypress(const cec_logical_address iInitiator, const cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */) |
| 932 | { |
| 933 | cec_command command; |
| 934 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_PRESSED); |
| 935 | command.parameters.PushBack((uint8_t)key); |
| 936 | |
| 937 | return Transmit(command, bWait); |
| 938 | } |
| 939 | |
| 940 | bool CCECCommandHandler::TransmitKeyRelease(const cec_logical_address iInitiator, const cec_logical_address iDestination, bool bWait /* = true */) |
| 941 | { |
| 942 | cec_command command; |
| 943 | cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_USER_CONTROL_RELEASE); |
| 944 | |
| 945 | return Transmit(command, bWait); |
| 946 | } |
| 947 | |
| 948 | bool CCECCommandHandler::Transmit(cec_command &command, bool bExpectResponse /* = true */, cec_opcode expectedResponse /* = CEC_OPCODE_NONE */) |
| 949 | { |
| 950 | bool bReturn(false); |
| 951 | MarkBusy(); |
| 952 | command.transmit_timeout = m_iTransmitTimeout; |
| 953 | |
| 954 | { |
| 955 | uint8_t iTries(0), iMaxTries(command.opcode == CEC_OPCODE_NONE ? 1 : m_iTransmitRetries + 1); |
| 956 | CLockObject writeLock(m_processor->m_transmitMutex); |
| 957 | CLockObject receiveLock(m_receiveMutex); |
| 958 | ++m_iUseCounter; |
| 959 | while (!bReturn && ++iTries <= iMaxTries) |
| 960 | { |
| 961 | m_expectedResponse = expectedResponse; |
| 962 | if ((bReturn = m_processor->Transmit(command)) == true) |
| 963 | { |
| 964 | CLibCEC::AddLog(CEC_LOG_DEBUG, "command transmitted"); |
| 965 | if (bExpectResponse) |
| 966 | bReturn = m_condition.Wait(m_receiveMutex, m_iTransmitWait); |
| 967 | } |
| 968 | } |
| 969 | --m_iUseCounter; |
| 970 | } |
| 971 | |
| 972 | MarkReady(); |
| 973 | return bReturn; |
| 974 | } |
| 975 | |
| 976 | bool CCECCommandHandler::ActivateSource(void) |
| 977 | { |
| 978 | if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV) |
| 979 | { |
| 980 | CCECBusDevice *primary = m_processor->GetPrimaryDevice(); |
| 981 | primary->SetPowerStatus(CEC_POWER_STATUS_ON); |
| 982 | primary->SetMenuState(CEC_MENU_STATE_ACTIVATED); |
| 983 | |
| 984 | if (m_processor->GetPrimaryDevice()->GetPhysicalAddress(false) != 0xffff) |
| 985 | { |
| 986 | m_processor->SetActiveSource(); |
| 987 | primary->TransmitMenuState(m_busDevice->GetLogicalAddress()); |
| 988 | m_bHandlerInited = true; |
| 989 | } |
| 990 | } |
| 991 | return true; |
| 992 | } |
| 993 | |
| 994 | void CCECCommandHandler::MarkBusy(void) |
| 995 | { |
| 996 | CLockObject receiveLock(m_receiveMutex); |
| 997 | ++m_iUseCounter; |
| 998 | } |
| 999 | |
| 1000 | bool CCECCommandHandler::MarkReady(void) |
| 1001 | { |
| 1002 | CLockObject receiveLock(m_receiveMutex); |
| 1003 | return m_iUseCounter > 0 ? (--m_iUseCounter == 0) : true; |
| 1004 | } |
| 1005 | |
| 1006 | bool CCECCommandHandler::InUse(void) |
| 1007 | { |
| 1008 | CLockObject receiveLock(m_receiveMutex); |
| 1009 | return m_iUseCounter > 0; |
| 1010 | } |