| 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 "env.h" |
| 34 | #include "CECProcessor.h" |
| 35 | |
| 36 | #include "adapter/AdapterFactory.h" |
| 37 | #include "devices/CECBusDevice.h" |
| 38 | #include "devices/CECAudioSystem.h" |
| 39 | #include "devices/CECPlaybackDevice.h" |
| 40 | #include "devices/CECRecordingDevice.h" |
| 41 | #include "devices/CECTuner.h" |
| 42 | #include "devices/CECTV.h" |
| 43 | #include "implementations/CECCommandHandler.h" |
| 44 | #include "LibCEC.h" |
| 45 | #include "CECClient.h" |
| 46 | #include "CECTypeUtils.h" |
| 47 | #include "platform/util/timeutils.h" |
| 48 | #include "platform/util/util.h" |
| 49 | |
| 50 | using namespace CEC; |
| 51 | using namespace std; |
| 52 | using namespace PLATFORM; |
| 53 | |
| 54 | #define CEC_PROCESSOR_SIGNAL_WAIT_TIME 1000 |
| 55 | #define ACTIVE_SOURCE_CHECK_INTERVAL 500 |
| 56 | |
| 57 | #define ToString(x) CCECTypeUtils::ToString(x) |
| 58 | |
| 59 | CCECProcessor::CCECProcessor(CLibCEC *libcec) : |
| 60 | m_bInitialised(false), |
| 61 | m_communication(NULL), |
| 62 | m_libcec(libcec), |
| 63 | m_iStandardLineTimeout(3), |
| 64 | m_iRetryLineTimeout(3), |
| 65 | m_iLastTransmission(0), |
| 66 | m_bMonitor(true), |
| 67 | m_addrAllocator(NULL), |
| 68 | m_bStallCommunication(false) |
| 69 | { |
| 70 | m_busDevices = new CCECDeviceMap(this); |
| 71 | } |
| 72 | |
| 73 | CCECProcessor::~CCECProcessor(void) |
| 74 | { |
| 75 | m_bStallCommunication = false; |
| 76 | DELETE_AND_NULL(m_addrAllocator); |
| 77 | Close(); |
| 78 | DELETE_AND_NULL(m_busDevices); |
| 79 | } |
| 80 | |
| 81 | bool CCECProcessor::Start(const char *strPort, uint16_t iBaudRate /* = CEC_SERIAL_DEFAULT_BAUDRATE */, uint32_t iTimeoutMs /* = CEC_DEFAULT_CONNECT_TIMEOUT */) |
| 82 | { |
| 83 | CLockObject lock(m_mutex); |
| 84 | // open a connection |
| 85 | if (!OpenConnection(strPort, iBaudRate, iTimeoutMs)) |
| 86 | return false; |
| 87 | |
| 88 | // create the processor thread |
| 89 | if (!IsRunning()) |
| 90 | { |
| 91 | if (!CreateThread()) |
| 92 | { |
| 93 | m_libcec->AddLog(CEC_LOG_ERROR, "could not create a processor thread"); |
| 94 | return false; |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | return true; |
| 99 | } |
| 100 | |
| 101 | void CCECProcessor::Close(void) |
| 102 | { |
| 103 | // mark as uninitialised |
| 104 | SetCECInitialised(false); |
| 105 | |
| 106 | // stop the processor |
| 107 | StopThread(); |
| 108 | |
| 109 | // close the connection |
| 110 | DELETE_AND_NULL(m_communication); |
| 111 | } |
| 112 | |
| 113 | void CCECProcessor::ResetMembers(void) |
| 114 | { |
| 115 | // close the connection |
| 116 | DELETE_AND_NULL(m_communication); |
| 117 | |
| 118 | // reset the other members to the initial state |
| 119 | m_iStandardLineTimeout = 3; |
| 120 | m_iRetryLineTimeout = 3; |
| 121 | m_iLastTransmission = 0; |
| 122 | m_busDevices->ResetDeviceStatus(); |
| 123 | } |
| 124 | |
| 125 | bool CCECProcessor::OpenConnection(const char *strPort, uint16_t iBaudRate, uint32_t iTimeoutMs, bool bStartListening /* = true */) |
| 126 | { |
| 127 | bool bReturn(false); |
| 128 | CTimeout timeout(iTimeoutMs > 0 ? iTimeoutMs : CEC_DEFAULT_TRANSMIT_WAIT); |
| 129 | |
| 130 | // ensure that a previous connection is closed |
| 131 | Close(); |
| 132 | |
| 133 | // reset all member to the initial state |
| 134 | ResetMembers(); |
| 135 | |
| 136 | // check whether the Close() method deleted any previous connection |
| 137 | if (m_communication) |
| 138 | { |
| 139 | m_libcec->AddLog(CEC_LOG_ERROR, "previous connection could not be closed"); |
| 140 | return bReturn; |
| 141 | } |
| 142 | |
| 143 | // create a new connection |
| 144 | m_communication = CAdapterFactory(this->m_libcec).GetInstance(strPort, iBaudRate); |
| 145 | |
| 146 | // open a new connection |
| 147 | unsigned iConnectTry(0); |
| 148 | while (timeout.TimeLeft() > 0 && (bReturn = m_communication->Open((timeout.TimeLeft() / CEC_CONNECT_TRIES), false, bStartListening)) == false) |
| 149 | { |
| 150 | m_libcec->AddLog(CEC_LOG_ERROR, "could not open a connection (try %d)", ++iConnectTry); |
| 151 | m_communication->Close(); |
| 152 | CEvent::Sleep(CEC_DEFAULT_CONNECT_RETRY_WAIT); |
| 153 | } |
| 154 | |
| 155 | m_libcec->AddLog(CEC_LOG_NOTICE, "connection opened"); |
| 156 | |
| 157 | // mark as initialised |
| 158 | SetCECInitialised(true); |
| 159 | |
| 160 | return bReturn; |
| 161 | } |
| 162 | |
| 163 | bool CCECProcessor::CECInitialised(void) |
| 164 | { |
| 165 | CLockObject lock(m_threadMutex); |
| 166 | return m_bInitialised; |
| 167 | } |
| 168 | |
| 169 | void CCECProcessor::SetCECInitialised(bool bSetTo /* = true */) |
| 170 | { |
| 171 | { |
| 172 | CLockObject lock(m_mutex); |
| 173 | m_bInitialised = bSetTo; |
| 174 | } |
| 175 | if (!bSetTo) |
| 176 | UnregisterClients(); |
| 177 | } |
| 178 | |
| 179 | bool CCECProcessor::TryLogicalAddress(cec_logical_address address, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */) |
| 180 | { |
| 181 | // find the device |
| 182 | CCECBusDevice *device = m_busDevices->At(address); |
| 183 | if (device) |
| 184 | { |
| 185 | // check if it's already marked as present or used |
| 186 | if (device->IsPresent() || device->IsHandledByLibCEC()) |
| 187 | return false; |
| 188 | |
| 189 | // poll the LA if not |
| 190 | return device->TryLogicalAddress(libCECSpecVersion); |
| 191 | } |
| 192 | |
| 193 | return false; |
| 194 | } |
| 195 | |
| 196 | void CCECProcessor::ReplaceHandlers(void) |
| 197 | { |
| 198 | if (!CECInitialised()) |
| 199 | return; |
| 200 | |
| 201 | // check each device |
| 202 | for (CECDEVICEMAP::iterator it = m_busDevices->Begin(); it != m_busDevices->End(); it++) |
| 203 | it->second->ReplaceHandler(true); |
| 204 | } |
| 205 | |
| 206 | bool CCECProcessor::OnCommandReceived(const cec_command &command) |
| 207 | { |
| 208 | return m_inBuffer.Push(command); |
| 209 | } |
| 210 | |
| 211 | void *CCECProcessor::Process(void) |
| 212 | { |
| 213 | m_libcec->AddLog(CEC_LOG_DEBUG, "processor thread started"); |
| 214 | |
| 215 | cec_command command; command.Clear(); |
| 216 | CTimeout activeSourceCheck(ACTIVE_SOURCE_CHECK_INTERVAL); |
| 217 | |
| 218 | // as long as we're not being stopped and the connection is open |
| 219 | while (!IsStopped() && m_communication->IsOpen()) |
| 220 | { |
| 221 | // wait for a new incoming command, and process it |
| 222 | if (m_inBuffer.Pop(command, CEC_PROCESSOR_SIGNAL_WAIT_TIME)) |
| 223 | ProcessCommand(command); |
| 224 | |
| 225 | if (CECInitialised()) |
| 226 | { |
| 227 | // check clients for keypress timeouts |
| 228 | m_libcec->CheckKeypressTimeout(); |
| 229 | |
| 230 | // check if we need to replace handlers |
| 231 | ReplaceHandlers(); |
| 232 | |
| 233 | // check whether we need to activate a source, if it failed before |
| 234 | if (activeSourceCheck.TimeLeft() == 0) |
| 235 | { |
| 236 | if (CECInitialised()) |
| 237 | TransmitPendingActiveSourceCommands(); |
| 238 | activeSourceCheck.Init(ACTIVE_SOURCE_CHECK_INTERVAL); |
| 239 | } |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | return NULL; |
| 244 | } |
| 245 | |
| 246 | bool CCECProcessor::ActivateSource(uint16_t iStreamPath) |
| 247 | { |
| 248 | bool bReturn(false); |
| 249 | |
| 250 | // find the device with the given PA |
| 251 | CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamPath); |
| 252 | // and make it the active source when found |
| 253 | if (device) |
| 254 | bReturn = device->ActivateSource(); |
| 255 | else |
| 256 | m_libcec->AddLog(CEC_LOG_DEBUG, "device with PA '%04x' not found", iStreamPath); |
| 257 | |
| 258 | return bReturn; |
| 259 | } |
| 260 | |
| 261 | void CCECProcessor::SetStandardLineTimeout(uint8_t iTimeout) |
| 262 | { |
| 263 | CLockObject lock(m_mutex); |
| 264 | m_iStandardLineTimeout = iTimeout; |
| 265 | } |
| 266 | |
| 267 | uint8_t CCECProcessor::GetStandardLineTimeout(void) |
| 268 | { |
| 269 | CLockObject lock(m_mutex); |
| 270 | return m_iStandardLineTimeout; |
| 271 | } |
| 272 | |
| 273 | void CCECProcessor::SetRetryLineTimeout(uint8_t iTimeout) |
| 274 | { |
| 275 | CLockObject lock(m_mutex); |
| 276 | m_iRetryLineTimeout = iTimeout; |
| 277 | } |
| 278 | |
| 279 | uint8_t CCECProcessor::GetRetryLineTimeout(void) |
| 280 | { |
| 281 | CLockObject lock(m_mutex); |
| 282 | return m_iRetryLineTimeout; |
| 283 | } |
| 284 | |
| 285 | bool CCECProcessor::PhysicalAddressInUse(uint16_t iPhysicalAddress) |
| 286 | { |
| 287 | CCECBusDevice *device = GetDeviceByPhysicalAddress(iPhysicalAddress); |
| 288 | return device != NULL; |
| 289 | } |
| 290 | |
| 291 | void CCECProcessor::LogOutput(const cec_command &data) |
| 292 | { |
| 293 | CStdString strTx; |
| 294 | |
| 295 | // initiator and destination |
| 296 | strTx.Format("<< %02x", ((uint8_t)data.initiator << 4) + (uint8_t)data.destination); |
| 297 | |
| 298 | // append the opcode |
| 299 | if (data.opcode_set) |
| 300 | strTx.AppendFormat(":%02x", (uint8_t)data.opcode); |
| 301 | |
| 302 | // append the parameters |
| 303 | for (uint8_t iPtr = 0; iPtr < data.parameters.size; iPtr++) |
| 304 | strTx.AppendFormat(":%02x", data.parameters[iPtr]); |
| 305 | |
| 306 | // and log it |
| 307 | m_libcec->AddLog(CEC_LOG_TRAFFIC, strTx.c_str()); |
| 308 | } |
| 309 | |
| 310 | bool CCECProcessor::PollDevice(cec_logical_address iAddress) |
| 311 | { |
| 312 | // try to find the primary device |
| 313 | CCECBusDevice *primary = GetPrimaryDevice(); |
| 314 | // poll the destination, with the primary as source |
| 315 | if (primary) |
| 316 | return primary->TransmitPoll(iAddress, false); |
| 317 | |
| 318 | CCECBusDevice *device = m_busDevices->At(CECDEVICE_UNREGISTERED); |
| 319 | if (device) |
| 320 | return device->TransmitPoll(iAddress, false); |
| 321 | |
| 322 | return false; |
| 323 | } |
| 324 | |
| 325 | CCECBusDevice *CCECProcessor::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress, bool bSuppressUpdate /* = true */) |
| 326 | { |
| 327 | return m_busDevices ? |
| 328 | m_busDevices->GetDeviceByPhysicalAddress(iPhysicalAddress, bSuppressUpdate) : |
| 329 | NULL; |
| 330 | } |
| 331 | |
| 332 | CCECBusDevice *CCECProcessor::GetDevice(cec_logical_address address) const |
| 333 | { |
| 334 | return m_busDevices ? |
| 335 | m_busDevices->At(address) : |
| 336 | NULL; |
| 337 | } |
| 338 | |
| 339 | cec_logical_address CCECProcessor::GetActiveSource(bool bRequestActiveSource /* = true */) |
| 340 | { |
| 341 | // get the device that is marked as active source from the device map |
| 342 | CCECBusDevice *activeSource = m_busDevices->GetActiveSource(); |
| 343 | if (activeSource) |
| 344 | return activeSource->GetLogicalAddress(); |
| 345 | |
| 346 | if (bRequestActiveSource) |
| 347 | { |
| 348 | // request the active source from the bus |
| 349 | CCECBusDevice *primary = GetPrimaryDevice(); |
| 350 | if (primary) |
| 351 | { |
| 352 | primary->RequestActiveSource(); |
| 353 | return GetActiveSource(false); |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | // unknown or none |
| 358 | return CECDEVICE_UNKNOWN; |
| 359 | } |
| 360 | |
| 361 | bool CCECProcessor::IsActiveSource(cec_logical_address iAddress) |
| 362 | { |
| 363 | CCECBusDevice *device = m_busDevices->At(iAddress); |
| 364 | return device && device->IsActiveSource(); |
| 365 | } |
| 366 | |
| 367 | bool CCECProcessor::Transmit(const cec_command &data, bool bIsReply) |
| 368 | { |
| 369 | cec_command transmitData(data); |
| 370 | uint8_t iMaxTries(0); |
| 371 | bool bRetry(true); |
| 372 | uint8_t iTries(0); |
| 373 | |
| 374 | // get the current timeout setting |
| 375 | uint8_t iLineTimeout(GetStandardLineTimeout()); |
| 376 | |
| 377 | // reset the state of this message to 'unknown' |
| 378 | cec_adapter_message_state adapterState = ADAPTER_MESSAGE_STATE_UNKNOWN; |
| 379 | |
| 380 | if (!m_communication->SupportsSourceLogicalAddress(transmitData.initiator)) |
| 381 | { |
| 382 | if (transmitData.initiator == CECDEVICE_UNREGISTERED && m_communication->SupportsSourceLogicalAddress(CECDEVICE_FREEUSE)) |
| 383 | { |
| 384 | m_libcec->AddLog(CEC_LOG_DEBUG, "initiator '%s' is not supported by the CEC adapter. using '%s' instead", ToString(transmitData.initiator), ToString(CECDEVICE_FREEUSE)); |
| 385 | transmitData.initiator = CECDEVICE_FREEUSE; |
| 386 | } |
| 387 | else |
| 388 | { |
| 389 | m_libcec->AddLog(CEC_LOG_DEBUG, "initiator '%s' is not supported by the CEC adapter", ToString(transmitData.initiator)); |
| 390 | return false; |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | LogOutput(transmitData); |
| 395 | |
| 396 | // find the initiator device |
| 397 | CCECBusDevice *initiator = m_busDevices->At(transmitData.initiator); |
| 398 | if (!initiator) |
| 399 | { |
| 400 | m_libcec->AddLog(CEC_LOG_WARNING, "invalid initiator"); |
| 401 | return false; |
| 402 | } |
| 403 | |
| 404 | // find the destination device, if it's not the broadcast address |
| 405 | if (transmitData.destination != CECDEVICE_BROADCAST) |
| 406 | { |
| 407 | // check if the device is marked as handled by libCEC |
| 408 | CCECBusDevice *destination = m_busDevices->At(transmitData.destination); |
| 409 | if (destination && destination->IsHandledByLibCEC()) |
| 410 | { |
| 411 | // and reject the command if it's trying to send data to a device that is handled by libCEC |
| 412 | m_libcec->AddLog(CEC_LOG_WARNING, "not sending data to myself!"); |
| 413 | return false; |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | // wait until we finished allocating a new LA if it got lost |
| 418 | while (m_bStallCommunication) Sleep(5); |
| 419 | |
| 420 | { |
| 421 | CLockObject lock(m_mutex); |
| 422 | m_iLastTransmission = GetTimeMs(); |
| 423 | // set the number of tries |
| 424 | iMaxTries = initiator->GetHandler()->GetTransmitRetries() + 1; |
| 425 | initiator->MarkHandlerReady(); |
| 426 | } |
| 427 | |
| 428 | // and try to send the command |
| 429 | while (bRetry && ++iTries < iMaxTries) |
| 430 | { |
| 431 | if (initiator->IsUnsupportedFeature(transmitData.opcode)) |
| 432 | return false; |
| 433 | |
| 434 | adapterState = !IsStopped() && m_communication && m_communication->IsOpen() ? |
| 435 | m_communication->Write(transmitData, bRetry, iLineTimeout, bIsReply) : |
| 436 | ADAPTER_MESSAGE_STATE_ERROR; |
| 437 | iLineTimeout = m_iRetryLineTimeout; |
| 438 | } |
| 439 | |
| 440 | return adapterState == ADAPTER_MESSAGE_STATE_SENT_ACKED; |
| 441 | } |
| 442 | |
| 443 | void CCECProcessor::TransmitAbort(cec_logical_address source, cec_logical_address destination, cec_opcode opcode, cec_abort_reason reason /* = CEC_ABORT_REASON_UNRECOGNIZED_OPCODE */) |
| 444 | { |
| 445 | m_libcec->AddLog(CEC_LOG_DEBUG, "<< transmitting abort message"); |
| 446 | |
| 447 | cec_command command; |
| 448 | cec_command::Format(command, source, destination, CEC_OPCODE_FEATURE_ABORT); |
| 449 | command.parameters.PushBack((uint8_t)opcode); |
| 450 | command.parameters.PushBack((uint8_t)reason); |
| 451 | |
| 452 | Transmit(command, true); |
| 453 | } |
| 454 | |
| 455 | void CCECProcessor::ProcessCommand(const cec_command &command) |
| 456 | { |
| 457 | // log the command |
| 458 | CStdString dataStr; |
| 459 | dataStr.Format(">> %1x%1x", command.initiator, command.destination); |
| 460 | if (command.opcode_set == 1) |
| 461 | dataStr.AppendFormat(":%02x", command.opcode); |
| 462 | for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++) |
| 463 | dataStr.AppendFormat(":%02x", (unsigned int)command.parameters[iPtr]); |
| 464 | m_libcec->AddLog(CEC_LOG_TRAFFIC, dataStr.c_str()); |
| 465 | |
| 466 | // find the initiator |
| 467 | CCECBusDevice *device = m_busDevices->At(command.initiator); |
| 468 | |
| 469 | if (device) |
| 470 | device->HandleCommand(command); |
| 471 | } |
| 472 | |
| 473 | bool CCECProcessor::IsPresentDevice(cec_logical_address address) |
| 474 | { |
| 475 | CCECBusDevice *device = m_busDevices->At(address); |
| 476 | return device && device->GetStatus() == CEC_DEVICE_STATUS_PRESENT; |
| 477 | } |
| 478 | |
| 479 | bool CCECProcessor::IsPresentDeviceType(cec_device_type type) |
| 480 | { |
| 481 | CECDEVICEVEC devices; |
| 482 | m_busDevices->GetByType(type, devices); |
| 483 | CCECDeviceMap::FilterActive(devices); |
| 484 | return !devices.empty(); |
| 485 | } |
| 486 | |
| 487 | uint16_t CCECProcessor::GetDetectedPhysicalAddress(void) const |
| 488 | { |
| 489 | return m_communication ? m_communication->GetPhysicalAddress() : CEC_INVALID_PHYSICAL_ADDRESS; |
| 490 | } |
| 491 | |
| 492 | bool CCECProcessor::ClearLogicalAddresses(void) |
| 493 | { |
| 494 | cec_logical_addresses addresses; addresses.Clear(); |
| 495 | return SetLogicalAddresses(addresses); |
| 496 | } |
| 497 | |
| 498 | bool CCECProcessor::SetLogicalAddresses(const cec_logical_addresses &addresses) |
| 499 | { |
| 500 | return m_communication ? m_communication->SetLogicalAddresses(addresses) : false; |
| 501 | } |
| 502 | |
| 503 | bool CCECProcessor::StandbyDevices(const cec_logical_address initiator, const CECDEVICEVEC &devices) |
| 504 | { |
| 505 | bool bReturn(true); |
| 506 | for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++) |
| 507 | bReturn &= (*it)->Standby(initiator); |
| 508 | return bReturn; |
| 509 | } |
| 510 | |
| 511 | bool CCECProcessor::StandbyDevice(const cec_logical_address initiator, cec_logical_address address) |
| 512 | { |
| 513 | CCECBusDevice *device = m_busDevices->At(address); |
| 514 | return device ? device->Standby(initiator) : false; |
| 515 | } |
| 516 | |
| 517 | bool CCECProcessor::PowerOnDevices(const cec_logical_address initiator, const CECDEVICEVEC &devices) |
| 518 | { |
| 519 | bool bReturn(true); |
| 520 | for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++) |
| 521 | bReturn &= (*it)->PowerOn(initiator); |
| 522 | return bReturn; |
| 523 | } |
| 524 | |
| 525 | bool CCECProcessor::PowerOnDevice(const cec_logical_address initiator, cec_logical_address address) |
| 526 | { |
| 527 | CCECBusDevice *device = m_busDevices->At(address); |
| 528 | return device ? device->PowerOn(initiator) : false; |
| 529 | } |
| 530 | |
| 531 | bool CCECProcessor::StartBootloader(const char *strPort /* = NULL */) |
| 532 | { |
| 533 | bool bReturn(false); |
| 534 | // open a connection if no connection has been opened |
| 535 | if (!m_communication && strPort) |
| 536 | { |
| 537 | CAdapterFactory factory(this->m_libcec); |
| 538 | IAdapterCommunication *comm = factory.GetInstance(strPort); |
| 539 | CTimeout timeout(CEC_DEFAULT_CONNECT_TIMEOUT); |
| 540 | int iConnectTry(0); |
| 541 | while (timeout.TimeLeft() > 0 && (bReturn = comm->Open(timeout.TimeLeft() / CEC_CONNECT_TRIES, true)) == false) |
| 542 | { |
| 543 | m_libcec->AddLog(CEC_LOG_ERROR, "could not open a connection (try %d)", ++iConnectTry); |
| 544 | comm->Close(); |
| 545 | Sleep(CEC_DEFAULT_TRANSMIT_RETRY_WAIT); |
| 546 | } |
| 547 | if (comm->IsOpen()) |
| 548 | { |
| 549 | bReturn = comm->StartBootloader(); |
| 550 | DELETE_AND_NULL(comm); |
| 551 | } |
| 552 | return bReturn; |
| 553 | } |
| 554 | else |
| 555 | { |
| 556 | m_communication->StartBootloader(); |
| 557 | Close(); |
| 558 | bReturn = true; |
| 559 | } |
| 560 | |
| 561 | return bReturn; |
| 562 | } |
| 563 | |
| 564 | bool CCECProcessor::PingAdapter(void) |
| 565 | { |
| 566 | return m_communication->PingAdapter(); |
| 567 | } |
| 568 | |
| 569 | void CCECProcessor::HandlePoll(cec_logical_address initiator, cec_logical_address destination) |
| 570 | { |
| 571 | CCECBusDevice *device = m_busDevices->At(destination); |
| 572 | if (device) |
| 573 | device->HandlePollFrom(initiator); |
| 574 | } |
| 575 | |
| 576 | bool CCECProcessor::HandleReceiveFailed(cec_logical_address initiator) |
| 577 | { |
| 578 | CCECBusDevice *device = m_busDevices->At(initiator); |
| 579 | return !device || !device->HandleReceiveFailed(); |
| 580 | } |
| 581 | |
| 582 | bool CCECProcessor::CanPersistConfiguration(void) |
| 583 | { |
| 584 | return m_communication ? m_communication->GetFirmwareVersion() >= 2 : false; |
| 585 | } |
| 586 | |
| 587 | bool CCECProcessor::PersistConfiguration(const libcec_configuration &configuration) |
| 588 | { |
| 589 | libcec_configuration persistConfiguration = configuration; |
| 590 | if (!CLibCEC::IsValidPhysicalAddress(configuration.iPhysicalAddress)) |
| 591 | { |
| 592 | CCECBusDevice *device = GetPrimaryDevice(); |
| 593 | if (device) |
| 594 | persistConfiguration.iPhysicalAddress = device->GetCurrentPhysicalAddress(); |
| 595 | } |
| 596 | |
| 597 | return m_communication ? m_communication->PersistConfiguration(persistConfiguration) : false; |
| 598 | } |
| 599 | |
| 600 | void CCECProcessor::RescanActiveDevices(void) |
| 601 | { |
| 602 | for (CECDEVICEMAP::iterator it = m_busDevices->Begin(); it != m_busDevices->End(); it++) |
| 603 | it->second->GetStatus(true); |
| 604 | } |
| 605 | |
| 606 | bool CCECProcessor::GetDeviceInformation(const char *strPort, libcec_configuration *config, uint32_t iTimeoutMs /* = CEC_DEFAULT_CONNECT_TIMEOUT */) |
| 607 | { |
| 608 | if (!OpenConnection(strPort, CEC_SERIAL_DEFAULT_BAUDRATE, iTimeoutMs, false)) |
| 609 | return false; |
| 610 | |
| 611 | config->iFirmwareVersion = m_communication->GetFirmwareVersion(); |
| 612 | config->iPhysicalAddress = m_communication->GetPhysicalAddress(); |
| 613 | config->iFirmwareBuildDate = m_communication->GetFirmwareBuildDate(); |
| 614 | config->adapterType = m_communication->GetAdapterType(); |
| 615 | |
| 616 | return true; |
| 617 | } |
| 618 | |
| 619 | bool CCECProcessor::TransmitPendingActiveSourceCommands(void) |
| 620 | { |
| 621 | bool bReturn(true); |
| 622 | for (CECDEVICEMAP::iterator it = m_busDevices->Begin(); it != m_busDevices->End(); it++) |
| 623 | bReturn &= it->second->TransmitPendingActiveSourceCommands(); |
| 624 | return bReturn; |
| 625 | } |
| 626 | |
| 627 | CCECTV *CCECProcessor::GetTV(void) const |
| 628 | { |
| 629 | return CCECBusDevice::AsTV(m_busDevices->At(CECDEVICE_TV)); |
| 630 | } |
| 631 | |
| 632 | CCECAudioSystem *CCECProcessor::GetAudioSystem(void) const |
| 633 | { |
| 634 | return CCECBusDevice::AsAudioSystem(m_busDevices->At(CECDEVICE_AUDIOSYSTEM)); |
| 635 | } |
| 636 | |
| 637 | CCECPlaybackDevice *CCECProcessor::GetPlaybackDevice(cec_logical_address address) const |
| 638 | { |
| 639 | return CCECBusDevice::AsPlaybackDevice(m_busDevices->At(address)); |
| 640 | } |
| 641 | |
| 642 | CCECRecordingDevice *CCECProcessor::GetRecordingDevice(cec_logical_address address) const |
| 643 | { |
| 644 | return CCECBusDevice::AsRecordingDevice(m_busDevices->At(address)); |
| 645 | } |
| 646 | |
| 647 | CCECTuner *CCECProcessor::GetTuner(cec_logical_address address) const |
| 648 | { |
| 649 | return CCECBusDevice::AsTuner(m_busDevices->At(address)); |
| 650 | } |
| 651 | |
| 652 | bool CCECProcessor::AllocateLogicalAddresses(CCECClient* client) |
| 653 | { |
| 654 | libcec_configuration &configuration = *client->GetConfiguration(); |
| 655 | |
| 656 | // mark as unregistered |
| 657 | client->SetRegistered(false); |
| 658 | |
| 659 | // unregister this client from the old addresses |
| 660 | CECDEVICEVEC devices; |
| 661 | m_busDevices->GetByLogicalAddresses(devices, configuration.logicalAddresses); |
| 662 | for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++) |
| 663 | { |
| 664 | // remove client entry |
| 665 | CLockObject lock(m_mutex); |
| 666 | m_clients.erase((*it)->GetLogicalAddress()); |
| 667 | } |
| 668 | |
| 669 | // find logical addresses for this client |
| 670 | if (!client->AllocateLogicalAddresses()) |
| 671 | { |
| 672 | m_libcec->AddLog(CEC_LOG_ERROR, "failed to find a free logical address for the client"); |
| 673 | return false; |
| 674 | } |
| 675 | |
| 676 | // register this client on the new addresses |
| 677 | devices.clear(); |
| 678 | m_busDevices->GetByLogicalAddresses(devices, configuration.logicalAddresses); |
| 679 | for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++) |
| 680 | { |
| 681 | // set the physical address of the device at this LA |
| 682 | if (CLibCEC::IsValidPhysicalAddress(configuration.iPhysicalAddress)) |
| 683 | (*it)->SetPhysicalAddress(configuration.iPhysicalAddress); |
| 684 | |
| 685 | // replace a previous client |
| 686 | CLockObject lock(m_mutex); |
| 687 | m_clients.erase((*it)->GetLogicalAddress()); |
| 688 | m_clients.insert(make_pair<cec_logical_address, CCECClient *>((*it)->GetLogicalAddress(), client)); |
| 689 | } |
| 690 | |
| 691 | // set the new ackmask |
| 692 | SetLogicalAddresses(GetLogicalAddresses()); |
| 693 | |
| 694 | // resume outgoing communication |
| 695 | m_bStallCommunication = false; |
| 696 | |
| 697 | return true; |
| 698 | } |
| 699 | |
| 700 | bool CCECProcessor::RegisterClient(CCECClient *client) |
| 701 | { |
| 702 | if (!client) |
| 703 | return false; |
| 704 | |
| 705 | libcec_configuration &configuration = *client->GetConfiguration(); |
| 706 | |
| 707 | if (configuration.clientVersion >= CEC_CLIENT_VERSION_1_6_3 && configuration.bMonitorOnly == 1) |
| 708 | return true; |
| 709 | |
| 710 | if (!CECInitialised()) |
| 711 | { |
| 712 | m_libcec->AddLog(CEC_LOG_ERROR, "failed to register a new CEC client: CEC processor is not initialised"); |
| 713 | return false; |
| 714 | } |
| 715 | |
| 716 | // unregister the client first if it's already been marked as registered |
| 717 | if (client->IsRegistered()) |
| 718 | UnregisterClient(client); |
| 719 | |
| 720 | // ensure that controlled mode is enabled |
| 721 | m_communication->SetControlledMode(true); |
| 722 | |
| 723 | // ensure that we know the vendor id of the TV |
| 724 | CCECBusDevice *tv = GetTV(); |
| 725 | cec_vendor_id tvVendor = CEC_VENDOR_UNKNOWN; |
| 726 | if (m_communication->SupportsSourceLogicalAddress(CECDEVICE_UNREGISTERED)) |
| 727 | tvVendor = tv->GetVendorId(CECDEVICE_UNREGISTERED); |
| 728 | else if (m_communication->SupportsSourceLogicalAddress(CECDEVICE_FREEUSE)) |
| 729 | tvVendor = tv->GetVendorId(CECDEVICE_FREEUSE); |
| 730 | |
| 731 | // wait until the handler is replaced, to avoid double registrations |
| 732 | if (tvVendor != CEC_VENDOR_UNKNOWN && |
| 733 | CCECCommandHandler::HasSpecificHandler(tvVendor)) |
| 734 | { |
| 735 | while (!tv->ReplaceHandler(false)) |
| 736 | CEvent::Sleep(5); |
| 737 | } |
| 738 | |
| 739 | // get the configuration from the client |
| 740 | m_libcec->AddLog(CEC_LOG_NOTICE, "registering new CEC client - v%s", ToString((cec_client_version)configuration.clientVersion)); |
| 741 | |
| 742 | // get the current ackmask, so we can restore it if polling fails |
| 743 | cec_logical_addresses previousMask = GetLogicalAddresses(); |
| 744 | |
| 745 | // mark as uninitialised |
| 746 | client->SetInitialised(false); |
| 747 | |
| 748 | // find logical addresses for this client |
| 749 | if (!AllocateLogicalAddresses(client)) |
| 750 | { |
| 751 | m_libcec->AddLog(CEC_LOG_ERROR, "failed to register the new CEC client - cannot allocate the requested device types"); |
| 752 | SetLogicalAddresses(previousMask); |
| 753 | return false; |
| 754 | } |
| 755 | |
| 756 | // get the settings from the rom |
| 757 | if (configuration.bGetSettingsFromROM == 1) |
| 758 | { |
| 759 | libcec_configuration config; config.Clear(); |
| 760 | m_communication->GetConfiguration(config); |
| 761 | |
| 762 | CLockObject lock(m_mutex); |
| 763 | if (!config.deviceTypes.IsEmpty()) |
| 764 | configuration.deviceTypes = config.deviceTypes; |
| 765 | if (CLibCEC::IsValidPhysicalAddress(config.iPhysicalAddress)) |
| 766 | configuration.iPhysicalAddress = config.iPhysicalAddress; |
| 767 | snprintf(configuration.strDeviceName, 13, "%s", config.strDeviceName); |
| 768 | } |
| 769 | |
| 770 | // set the firmware version and build date |
| 771 | configuration.serverVersion = LIBCEC_VERSION_CURRENT; |
| 772 | configuration.iFirmwareVersion = m_communication->GetFirmwareVersion(); |
| 773 | configuration.iFirmwareBuildDate = m_communication->GetFirmwareBuildDate(); |
| 774 | configuration.adapterType = m_communication->GetAdapterType(); |
| 775 | |
| 776 | // mark the client as registered |
| 777 | client->SetRegistered(true); |
| 778 | |
| 779 | // initialise the client |
| 780 | bool bReturn = client->OnRegister(); |
| 781 | |
| 782 | // log the new registration |
| 783 | CStdString strLog; |
| 784 | strLog.Format("%s: %s", bReturn ? "CEC client registered" : "failed to register the CEC client", client->GetConnectionInfo().c_str()); |
| 785 | m_libcec->AddLog(bReturn ? CEC_LOG_NOTICE : CEC_LOG_ERROR, strLog); |
| 786 | |
| 787 | // display a warning if the firmware can be upgraded |
| 788 | if (bReturn && !IsRunningLatestFirmware()) |
| 789 | { |
| 790 | const char *strUpgradeMessage = "The firmware of this adapter can be upgraded. Please visit http://blog.pulse-eight.com/ for more information."; |
| 791 | m_libcec->AddLog(CEC_LOG_WARNING, strUpgradeMessage); |
| 792 | libcec_parameter param; |
| 793 | param.paramData = (void*)strUpgradeMessage; param.paramType = CEC_PARAMETER_TYPE_STRING; |
| 794 | client->Alert(CEC_ALERT_SERVICE_DEVICE, param); |
| 795 | } |
| 796 | |
| 797 | // ensure that the command handler for the TV is initialised |
| 798 | if (bReturn) |
| 799 | { |
| 800 | CCECCommandHandler *handler = GetTV()->GetHandler(); |
| 801 | if (handler) |
| 802 | handler->InitHandler(); |
| 803 | GetTV()->MarkHandlerReady(); |
| 804 | } |
| 805 | |
| 806 | return bReturn; |
| 807 | } |
| 808 | |
| 809 | bool CCECProcessor::UnregisterClient(CCECClient *client) |
| 810 | { |
| 811 | if (!client) |
| 812 | return false; |
| 813 | |
| 814 | if (client->IsRegistered()) |
| 815 | m_libcec->AddLog(CEC_LOG_NOTICE, "unregistering client: %s", client->GetConnectionInfo().c_str()); |
| 816 | |
| 817 | // notify the client that it will be unregistered |
| 818 | client->OnUnregister(); |
| 819 | |
| 820 | { |
| 821 | CLockObject lock(m_mutex); |
| 822 | // find all devices that match the LA's of this client |
| 823 | CECDEVICEVEC devices; |
| 824 | m_busDevices->GetByLogicalAddresses(devices, client->GetConfiguration()->logicalAddresses); |
| 825 | for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++) |
| 826 | { |
| 827 | // find the client |
| 828 | map<cec_logical_address, CCECClient *>::iterator entry = m_clients.find((*it)->GetLogicalAddress()); |
| 829 | // unregister the client |
| 830 | if (entry != m_clients.end()) |
| 831 | m_clients.erase(entry); |
| 832 | |
| 833 | // reset the device status |
| 834 | (*it)->ResetDeviceStatus(); |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | // set the new ackmask |
| 839 | cec_logical_addresses addresses = GetLogicalAddresses(); |
| 840 | if (SetLogicalAddresses(addresses)) |
| 841 | { |
| 842 | // no more clients left, disable controlled mode |
| 843 | if (addresses.IsEmpty() && !m_bMonitor) |
| 844 | m_communication->SetControlledMode(false); |
| 845 | |
| 846 | return true; |
| 847 | } |
| 848 | |
| 849 | return false; |
| 850 | } |
| 851 | |
| 852 | void CCECProcessor::UnregisterClients(void) |
| 853 | { |
| 854 | m_libcec->AddLog(CEC_LOG_NOTICE, "unregistering all CEC clients"); |
| 855 | |
| 856 | vector<CCECClient *> clients = m_libcec->GetClients(); |
| 857 | for (vector<CCECClient *>::iterator client = clients.begin(); client != clients.end(); client++) |
| 858 | UnregisterClient(*client); |
| 859 | |
| 860 | CLockObject lock(m_mutex); |
| 861 | m_clients.clear(); |
| 862 | } |
| 863 | |
| 864 | CCECClient *CCECProcessor::GetClient(const cec_logical_address address) |
| 865 | { |
| 866 | CLockObject lock(m_mutex); |
| 867 | map<cec_logical_address, CCECClient *>::const_iterator client = m_clients.find(address); |
| 868 | if (client != m_clients.end()) |
| 869 | return client->second; |
| 870 | return NULL; |
| 871 | } |
| 872 | |
| 873 | CCECClient *CCECProcessor::GetPrimaryClient(void) |
| 874 | { |
| 875 | CLockObject lock(m_mutex); |
| 876 | map<cec_logical_address, CCECClient *>::const_iterator client = m_clients.begin(); |
| 877 | if (client != m_clients.end()) |
| 878 | return client->second; |
| 879 | return NULL; |
| 880 | } |
| 881 | |
| 882 | CCECBusDevice *CCECProcessor::GetPrimaryDevice(void) |
| 883 | { |
| 884 | return m_busDevices->At(GetLogicalAddress()); |
| 885 | } |
| 886 | |
| 887 | cec_logical_address CCECProcessor::GetLogicalAddress(void) |
| 888 | { |
| 889 | cec_logical_addresses addresses = GetLogicalAddresses(); |
| 890 | return addresses.primary; |
| 891 | } |
| 892 | |
| 893 | cec_logical_addresses CCECProcessor::GetLogicalAddresses(void) |
| 894 | { |
| 895 | CLockObject lock(m_mutex); |
| 896 | cec_logical_addresses addresses; |
| 897 | addresses.Clear(); |
| 898 | for (map<cec_logical_address, CCECClient *>::const_iterator client = m_clients.begin(); client != m_clients.end(); client++) |
| 899 | addresses.Set(client->first); |
| 900 | |
| 901 | return addresses; |
| 902 | } |
| 903 | |
| 904 | bool CCECProcessor::IsHandledByLibCEC(const cec_logical_address address) const |
| 905 | { |
| 906 | CCECBusDevice *device = GetDevice(address); |
| 907 | return device && device->IsHandledByLibCEC(); |
| 908 | } |
| 909 | |
| 910 | bool CCECProcessor::IsRunningLatestFirmware(void) |
| 911 | { |
| 912 | return m_communication && m_communication->IsOpen() ? |
| 913 | m_communication->IsRunningLatestFirmware() : |
| 914 | true; |
| 915 | } |
| 916 | |
| 917 | void CCECProcessor::SwitchMonitoring(bool bSwitchTo) |
| 918 | { |
| 919 | { |
| 920 | CLockObject lock(m_mutex); |
| 921 | m_bMonitor = bSwitchTo; |
| 922 | } |
| 923 | if (bSwitchTo) |
| 924 | UnregisterClients(); |
| 925 | } |
| 926 | |
| 927 | void CCECProcessor::HandleLogicalAddressLost(cec_logical_address oldAddress) |
| 928 | { |
| 929 | // stall outgoing messages until we know our new LA |
| 930 | m_bStallCommunication = true; |
| 931 | |
| 932 | m_libcec->AddLog(CEC_LOG_NOTICE, "logical address %x was taken by another device, allocating a new address", oldAddress); |
| 933 | CCECClient* client = GetClient(oldAddress); |
| 934 | if (client) |
| 935 | { |
| 936 | if (m_addrAllocator) |
| 937 | while (m_addrAllocator->IsRunning()) Sleep(5); |
| 938 | delete m_addrAllocator; |
| 939 | |
| 940 | m_addrAllocator = new CCECAllocateLogicalAddress(this, client); |
| 941 | m_addrAllocator->CreateThread(); |
| 942 | } |
| 943 | } |
| 944 | |
| 945 | CCECAllocateLogicalAddress::CCECAllocateLogicalAddress(CCECProcessor* processor, CCECClient* client) : |
| 946 | m_processor(processor), |
| 947 | m_client(client) { } |
| 948 | |
| 949 | void* CCECAllocateLogicalAddress::Process(void) |
| 950 | { |
| 951 | m_processor->AllocateLogicalAddresses(m_client); |
| 952 | return NULL; |
| 953 | } |