src/lib/CECProcessor.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 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 "CECProcessor.h"
  34
  35 #include "AdapterCommunication.h"
  36 #include "devices/CECBusDevice.h"
  37 #include "devices/CECAudioSystem.h"
  38 #include "devices/CECPlaybackDevice.h"
  39 #include "devices/CECRecordingDevice.h"
  40 #include "devices/CECTuner.h"
  41 #include "devices/CECTV.h"
  42 #include "implementations/CECCommandHandler.h"
  43 #include "LibCEC.h"
  44 #include "util/StdString.h"
  45 #include "platform/timeutils.h"
  46
  47 using namespace CEC;
  48 using namespace std;
  49
  50 CCECProcessor::CCECProcessor(CLibCEC *controller, CAdapterCommunication *serComm, const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS*/) :
  51     m_bStarted(false),
  52     m_strDeviceName(strDeviceName),
  53     m_communication(serComm),
  54     m_controller(controller),
  55     m_bMonitor(false)
  56 {
  57   m_logicalAddresses.clear();
  58   m_logicalAddresses.set(iLogicalAddress);
  59   m_types.clear();
  60   for (int iPtr = 0; iPtr < 16; iPtr++)
  61     m_busDevices[iPtr] = new CCECBusDevice(this, (cec_logical_address) iPtr, iPtr == iLogicalAddress ? iPhysicalAddress : 0);
  62 }
  63
  64 CCECProcessor::CCECProcessor(CLibCEC *controller, CAdapterCommunication *serComm, const char *strDeviceName, const cec_device_type_list &types) :
  65     m_bStarted(false),
  66     m_strDeviceName(strDeviceName),
  67     m_types(types),
  68     m_communication(serComm),
  69     m_controller(controller),
  70     m_bMonitor(false)
  71 {
  72   m_logicalAddresses.clear();
  73   for (int iPtr = 0; iPtr < 16; iPtr++)
  74   {
  75     switch(iPtr)
  76     {
  77     case CECDEVICE_AUDIOSYSTEM:
  78       m_busDevices[iPtr] = new CCECAudioSystem(this, (cec_logical_address) iPtr, 0xFFFF);
  79       break;
  80     case CECDEVICE_PLAYBACKDEVICE1:
  81     case CECDEVICE_PLAYBACKDEVICE2:
  82     case CECDEVICE_PLAYBACKDEVICE3:
  83       m_busDevices[iPtr] = new CCECPlaybackDevice(this, (cec_logical_address) iPtr, 0xFFFF);
  84       break;
  85     case CECDEVICE_RECORDINGDEVICE1:
  86     case CECDEVICE_RECORDINGDEVICE2:
  87     case CECDEVICE_RECORDINGDEVICE3:
  88       m_busDevices[iPtr] = new CCECRecordingDevice(this, (cec_logical_address) iPtr, 0xFFFF);
  89       break;
  90     case CECDEVICE_TUNER1:
  91     case CECDEVICE_TUNER2:
  92     case CECDEVICE_TUNER3:
  93     case CECDEVICE_TUNER4:
  94       m_busDevices[iPtr] = new CCECTuner(this, (cec_logical_address) iPtr, 0xFFFF);
  95       break;
  96     case CECDEVICE_TV:
  97       m_busDevices[iPtr] = new CCECTV(this, (cec_logical_address) iPtr, 0);
  98       break;
  99     default:
 100       m_busDevices[iPtr] = new CCECBusDevice(this, (cec_logical_address) iPtr, 0xFFFF);
 101       break;
 102     }
 103   }
 104 }
 105
 106 CCECProcessor::~CCECProcessor(void)
 107 {
 108   m_startCondition.Broadcast();
 109   StopThread();
 110   m_communication = NULL;
 111   m_controller = NULL;
 112   for (unsigned int iPtr = 0; iPtr < 16; iPtr++)
 113     delete m_busDevices[iPtr];
 114 }
 115
 116 bool CCECProcessor::Start(void)
 117 {
 118   CLockObject lock(&m_mutex);
 119   if (!m_communication || !m_communication->IsOpen())
 120   {
 121     m_controller->AddLog(CEC_LOG_ERROR, "connection is closed");
 122     return false;
 123   }
 124
 125   if (CreateThread())
 126   {
 127     if (!m_startCondition.Wait(&m_mutex) || !m_bStarted)
 128     {
 129       m_controller->AddLog(CEC_LOG_ERROR, "could not create a processor thread");
 130       return false;
 131     }
 132     return true;
 133   }
 134   else
 135     m_controller->AddLog(CEC_LOG_ERROR, "could not create a processor thread");
 136
 137   return false;
 138 }
 139
 140 bool CCECProcessor::TryLogicalAddress(cec_logical_address address, unsigned int iIndex)
 141 {
 142   const char *strLabel = CCECCommandHandler::ToString(address);
 143   CStdString strLog;
 144   strLog.Format("trying logical address '%s'", strLabel);
 145   AddLog(CEC_LOG_DEBUG, strLog);
 146
 147   SetAckMask(0x1 << address);
 148   if (!m_busDevices[address]->TransmitPoll(address))
 149   {
 150     strLog.Format("using logical address '%s'", strLabel);
 151     AddLog(CEC_LOG_NOTICE, strLog);
 152
 153     /* only set our OSD name and active source for the primary device */
 154     if (m_logicalAddresses.empty())
 155     {
 156       m_busDevices[address]->m_strDeviceName = m_strDeviceName;
 157       m_busDevices[address]->m_bActiveSource = true;
 158     }
 159     m_busDevices[address]->m_powerStatus = (m_types[0] == m_busDevices[address]->m_type) ? CEC_POWER_STATUS_ON : CEC_POWER_STATUS_STANDBY;
 160     m_busDevices[address]->m_cecVersion = CEC_VERSION_1_3A;
 161     m_logicalAddresses.set(address);
 162
 163     // TODO
 164     m_busDevices[address]->SetPhysicalAddress(CEC_DEFAULT_PHYSICAL_ADDRESS + (iIndex * 0x100));
 165
 166     return true;
 167   }
 168
 169   strLog.Format("logical address '%s' already taken", strLabel);
 170   AddLog(CEC_LOG_DEBUG, strLog);
 171   return false;
 172 }
 173
 174 bool CCECProcessor::FindLogicalAddressRecordingDevice(unsigned int iIndex)
 175 {
 176   AddLog(CEC_LOG_DEBUG, "detecting logical address for type 'recording device'");
 177   return TryLogicalAddress(CECDEVICE_RECORDINGDEVICE1, iIndex) ||
 178       TryLogicalAddress(CECDEVICE_RECORDINGDEVICE2, iIndex) ||
 179       TryLogicalAddress(CECDEVICE_RECORDINGDEVICE3, iIndex);
 180 }
 181
 182 bool CCECProcessor::FindLogicalAddressTuner(unsigned int iIndex)
 183 {
 184   AddLog(CEC_LOG_DEBUG, "detecting logical address for type 'tuner'");
 185   return TryLogicalAddress(CECDEVICE_TUNER1, iIndex) ||
 186       TryLogicalAddress(CECDEVICE_TUNER2, iIndex) ||
 187       TryLogicalAddress(CECDEVICE_TUNER3, iIndex) ||
 188       TryLogicalAddress(CECDEVICE_TUNER4, iIndex);
 189 }
 190
 191 bool CCECProcessor::FindLogicalAddressPlaybackDevice(unsigned int iIndex)
 192 {
 193   AddLog(CEC_LOG_DEBUG, "detecting logical address for type 'playback device'");
 194   return TryLogicalAddress(CECDEVICE_PLAYBACKDEVICE1, iIndex) ||
 195       TryLogicalAddress(CECDEVICE_PLAYBACKDEVICE2, iIndex) ||
 196       TryLogicalAddress(CECDEVICE_PLAYBACKDEVICE3, iIndex);
 197 }
 198
 199 bool CCECProcessor::FindLogicalAddressAudioSystem(unsigned int iIndex)
 200 {
 201   AddLog(CEC_LOG_DEBUG, "detecting logical address for type 'audio'");
 202   return TryLogicalAddress(CECDEVICE_AUDIOSYSTEM, iIndex);
 203 }
 204
 205 bool CCECProcessor::FindLogicalAddresses(void)
 206 {
 207   bool bReturn(true);
 208   m_logicalAddresses.clear();
 209   CStdString strLog;
 210
 211   for (unsigned int iPtr = 0; iPtr < 5; iPtr++)
 212   {
 213     if (m_types.types[iPtr] == CEC_DEVICE_TYPE_RESERVED)
 214       continue;
 215
 216     strLog.Format("%s - device %d: type %d", __FUNCTION__, iPtr, m_types.types[iPtr]);
 217     AddLog(CEC_LOG_DEBUG, strLog);
 218
 219     if (m_types.types[iPtr] == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 220       bReturn &= FindLogicalAddressRecordingDevice(iPtr);
 221     if (m_types.types[iPtr] == CEC_DEVICE_TYPE_TUNER)
 222       bReturn &= FindLogicalAddressTuner(iPtr);
 223     if (m_types.types[iPtr] == CEC_DEVICE_TYPE_PLAYBACK_DEVICE)
 224       bReturn &= FindLogicalAddressPlaybackDevice(iPtr);
 225     if (m_types.types[iPtr] == CEC_DEVICE_TYPE_AUDIO_SYSTEM)
 226       bReturn &= FindLogicalAddressAudioSystem(iPtr);
 227   }
 228
 229   return bReturn;
 230 }
 231
 232 void *CCECProcessor::Process(void)
 233 {
 234   bool                  bParseFrame(false);
 235   cec_command           command;
 236   CCECAdapterMessage    msg;
 237
 238   {
 239     if (m_logicalAddresses.empty() && !FindLogicalAddresses())
 240     {
 241       CLockObject lock(&m_mutex);
 242       m_controller->AddLog(CEC_LOG_ERROR, "could not detect our logical addressed");
 243       m_startCondition.Signal();
 244       return NULL;
 245     }
 246
 247     SetAckMask(m_logicalAddresses.ackmask());
 248
 249     {
 250       CLockObject lock(&m_mutex);
 251       m_controller->AddLog(CEC_LOG_DEBUG, "processor thread started");
 252       m_bStarted = true;
 253       m_startCondition.Signal();
 254     }
 255   }
 256
 257   while (!IsStopped())
 258   {
 259     command.clear();
 260     msg.clear();
 261
 262     {
 263       CLockObject lock(&m_mutex);
 264       if (m_commandBuffer.Pop(command))
 265       {
 266         bParseFrame = true;
 267       }
 268       else if (m_communication->IsOpen() && m_communication->Read(msg, 50))
 269       {
 270         m_controller->AddLog(msg.is_error() ? CEC_LOG_WARNING : CEC_LOG_DEBUG, msg.ToString());
 271         if ((bParseFrame = (ParseMessage(msg) && !IsStopped())))
 272           command = m_currentframe;
 273       }
 274     }
 275
 276     if (bParseFrame)
 277       ParseCommand(command);
 278     bParseFrame = false;
 279
 280     Sleep(5);
 281
 282     m_controller->CheckKeypressTimeout();
 283
 284     for (unsigned int iDevicePtr = 0; iDevicePtr < 16; iDevicePtr++)
 285       m_busDevices[iDevicePtr]->PollVendorId();
 286
 287     Sleep(5);
 288   }
 289
 290   return NULL;
 291 }
 292
 293 bool CCECProcessor::SetActiveView(void)
 294 {
 295   bool bReturn(false);
 296
 297   if (!IsRunning())
 298     return bReturn;
 299
 300   if (!m_logicalAddresses.empty() && m_busDevices[m_logicalAddresses.primary])
 301     bReturn = SetStreamPath(m_busDevices[m_logicalAddresses.primary]->GetPhysicalAddress());
 302
 303   return bReturn;
 304 }
 305
 306 bool CCECProcessor::SetStreamPath(uint16_t iStreamPath)
 307 {
 308   bool bReturn(false);
 309
 310   CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamPath);
 311   if (device)
 312   {
 313     for (unsigned int iPtr = 0; iPtr < 16; iPtr++)
 314       m_busDevices[iPtr]->m_bActiveSource = false;
 315
 316     device->m_bActiveSource = true;
 317
 318     if (m_logicalAddresses.isset(device->m_iLogicalAddress))
 319       bReturn = device->TransmitActiveSource();
 320     else
 321       bReturn = true;
 322   }
 323
 324   return bReturn;
 325 }
 326
 327 bool CCECProcessor::SetInactiveView(void)
 328 {
 329   if (!IsRunning())
 330     return false;
 331
 332   if (!m_logicalAddresses.empty() && m_busDevices[m_logicalAddresses.primary])
 333     return m_busDevices[m_logicalAddresses.primary]->TransmitInactiveView();
 334   return false;
 335 }
 336
 337 void CCECProcessor::LogOutput(const cec_command &data)
 338 {
 339   CStdString strTx;
 340   strTx.Format("<< %02x", ((uint8_t)data.initiator << 4) + (uint8_t)data.destination);
 341   if (data.opcode_set)
 342       strTx.AppendFormat(":%02x", (uint8_t)data.opcode);
 343
 344   for (uint8_t iPtr = 0; iPtr < data.parameters.size; iPtr++)
 345     strTx.AppendFormat(":%02x", data.parameters[iPtr]);
 346   m_controller->AddLog(CEC_LOG_TRAFFIC, strTx.c_str());
 347 }
 348
 349 bool CCECProcessor::SetLogicalAddress(cec_logical_address iLogicalAddress)
 350 {
 351   if (m_logicalAddresses.primary != iLogicalAddress)
 352   {
 353     CStdString strLog;
 354     strLog.Format("<< setting primary logical address to %1x", iLogicalAddress);
 355     m_controller->AddLog(CEC_LOG_NOTICE, strLog.c_str());
 356     m_logicalAddresses.primary = iLogicalAddress;
 357     m_logicalAddresses.set(iLogicalAddress);
 358     return SetAckMask(m_logicalAddresses.ackmask());
 359   }
 360
 361   return true;
 362 }
 363
 364 bool CCECProcessor::SetPhysicalAddress(uint16_t iPhysicalAddress)
 365 {
 366   if (!m_logicalAddresses.empty() && m_busDevices[m_logicalAddresses.primary])
 367   {
 368     m_busDevices[m_logicalAddresses.primary]->SetPhysicalAddress(iPhysicalAddress);
 369     return SetActiveView();
 370   }
 371   return false;
 372 }
 373
 374 bool CCECProcessor::SwitchMonitoring(bool bEnable)
 375 {
 376   CStdString strLog;
 377   strLog.Format("== %s monitoring mode ==", bEnable ? "enabling" : "disabling");
 378   m_controller->AddLog(CEC_LOG_NOTICE, strLog.c_str());
 379
 380   m_bMonitor = bEnable;
 381   if (bEnable)
 382     return SetAckMask(0);
 383   else
 384     return SetAckMask(m_logicalAddresses.ackmask());
 385 }
 386
 387 bool CCECProcessor::PollDevice(cec_logical_address iAddress)
 388 {
 389   if (iAddress != CECDEVICE_UNKNOWN && m_busDevices[iAddress])
 390     return m_busDevices[m_logicalAddresses.primary]->TransmitPoll(iAddress);
 391   return false;
 392 }
 393
 394
 395 CCECBusDevice *CCECProcessor::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress) const
 396 {
 397   CCECBusDevice *device = NULL;
 398
 399   for (unsigned int iPtr = 0; iPtr < 16; iPtr++)
 400   {
 401     if (m_busDevices[iPtr]->GetPhysicalAddress() == iPhysicalAddress)
 402     {
 403       device = m_busDevices[iPtr];
 404       break;
 405     }
 406   }
 407
 408   return device;
 409 }
 410
 411 cec_version CCECProcessor::GetDeviceCecVersion(cec_logical_address iAddress)
 412 {
 413   return m_busDevices[iAddress]->GetCecVersion();
 414 }
 415
 416 bool CCECProcessor::GetDeviceMenuLanguage(cec_logical_address iAddress, cec_menu_language *language)
 417 {
 418   if (m_busDevices[iAddress])
 419   {
 420     *language = m_busDevices[iAddress]->GetMenuLanguage();
 421     return (strcmp(language->language, "???") != 0);
 422   }
 423   return false;
 424 }
 425
 426 uint64_t CCECProcessor::GetDeviceVendorId(cec_logical_address iAddress)
 427 {
 428   if (m_busDevices[iAddress])
 429     return m_busDevices[iAddress]->GetVendorId();
 430   return false;
 431 }
 432
 433 cec_power_status CCECProcessor::GetDevicePowerStatus(cec_logical_address iAddress)
 434 {
 435   if (m_busDevices[iAddress])
 436     return m_busDevices[iAddress]->GetPowerStatus();
 437   return CEC_POWER_STATUS_UNKNOWN;
 438 }
 439
 440 bool CCECProcessor::Transmit(const cec_command &data)
 441 {
 442   bool bReturn(false);
 443   LogOutput(data);
 444
 445   CCECAdapterMessage *output = new CCECAdapterMessage(data);
 446   bReturn = Transmit(output);
 447   delete output;
 448
 449   return bReturn;
 450 }
 451
 452 bool CCECProcessor::Transmit(CCECAdapterMessage *output)
 453 {
 454   bool bReturn(false);
 455   CLockObject lock(&m_mutex);
 456   {
 457     CLockObject msgLock(&output->mutex);
 458     if (!m_communication || !m_communication->Write(output))
 459       return bReturn;
 460     else
 461     {
 462       output->condition.Wait(&output->mutex);
 463       if (output->state != ADAPTER_MESSAGE_STATE_SENT)
 464       {
 465         m_controller->AddLog(CEC_LOG_ERROR, "command was not sent");
 466         return bReturn;
 467       }
 468     }
 469
 470     if (output->transmit_timeout > 0)
 471     {
 472       if ((bReturn = WaitForTransmitSucceeded(output->size(), output->transmit_timeout)) == false)
 473         m_controller->AddLog(CEC_LOG_DEBUG, "did not receive ack");
 474     }
 475     else
 476       bReturn = true;
 477   }
 478
 479   return bReturn;
 480 }
 481
 482 void CCECProcessor::TransmitAbort(cec_logical_address address, cec_opcode opcode, ECecAbortReason reason /* = CEC_ABORT_REASON_UNRECOGNIZED_OPCODE */)
 483 {
 484   m_controller->AddLog(CEC_LOG_DEBUG, "<< transmitting abort message");
 485
 486   cec_command command;
 487   // TODO
 488   cec_command::format(command, m_logicalAddresses.primary, address, CEC_OPCODE_FEATURE_ABORT);
 489   command.parameters.push_back((uint8_t)opcode);
 490   command.parameters.push_back((uint8_t)reason);
 491
 492   Transmit(command);
 493 }
 494
 495 bool CCECProcessor::WaitForTransmitSucceeded(uint8_t iLength, uint32_t iTimeout /* = 1000 */)
 496 {
 497   bool bError(false);
 498   bool bTransmitSucceeded(false);
 499   uint8_t iPacketsLeft(iLength / 4);
 500
 501   int64_t iNow = GetTimeMs();
 502   int64_t iTargetTime = iNow + (uint64_t) iTimeout;
 503
 504   while (!bTransmitSucceeded && !bError && (iTimeout == 0 || iNow < iTargetTime))
 505   {
 506     CCECAdapterMessage msg;
 507
 508     if (!m_communication->Read(msg, iTimeout > 0 ? (int32_t)(iTargetTime - iNow) : 1000))
 509     {
 510       iNow = GetTimeMs();
 511       continue;
 512     }
 513
 514     if ((bError = msg.is_error()) == false)
 515     {
 516       m_controller->AddLog(bError ? CEC_LOG_WARNING : CEC_LOG_DEBUG, msg.ToString());
 517
 518       switch(msg.message())
 519       {
 520       case MSGCODE_COMMAND_ACCEPTED:
 521         if (iPacketsLeft > 0)
 522           iPacketsLeft--;
 523         break;
 524       case MSGCODE_TRANSMIT_SUCCEEDED:
 525         bTransmitSucceeded = (iPacketsLeft == 0);
 526         bError = !bTransmitSucceeded;
 527         break;
 528       default:
 529         if (ParseMessage(msg))
 530           m_commandBuffer.Push(m_currentframe);
 531       }
 532
 533       iNow = GetTimeMs();
 534     }
 535   }
 536
 537   return bTransmitSucceeded && !bError;
 538 }
 539
 540 bool CCECProcessor::ParseMessage(const CCECAdapterMessage &msg)
 541 {
 542   bool bEom = false;
 543
 544   if (msg.empty())
 545     return bEom;
 546
 547   switch(msg.message())
 548   {
 549   case MSGCODE_FRAME_START:
 550     {
 551       m_currentframe.clear();
 552       if (msg.size() >= 2)
 553       {
 554         m_currentframe.initiator   = msg.initiator();
 555         m_currentframe.destination = msg.destination();
 556         m_currentframe.ack         = msg.ack();
 557         m_currentframe.eom         = msg.eom();
 558       }
 559     }
 560     break;
 561   case MSGCODE_FRAME_DATA:
 562     {
 563       if (msg.size() >= 2)
 564       {
 565         m_currentframe.push_back(msg[1]);
 566         m_currentframe.eom = msg.eom();
 567       }
 568       bEom = msg.eom();
 569     }
 570     break;
 571   default:
 572     break;
 573   }
 574
 575   return bEom;
 576 }
 577
 578 void CCECProcessor::ParseCommand(cec_command &command)
 579 {
 580   CStdString dataStr;
 581   dataStr.Format(">> %1x%1x:%02x", command.initiator, command.destination, command.opcode);
 582   for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 583     dataStr.AppendFormat(":%02x", (unsigned int)command.parameters[iPtr]);
 584   m_controller->AddLog(CEC_LOG_TRAFFIC, dataStr.c_str());
 585
 586   if (!m_bMonitor)
 587     m_busDevices[(uint8_t)command.initiator]->HandleCommand(command);
 588 }
 589
 590 uint16_t CCECProcessor::GetPhysicalAddress(void) const
 591 {
 592   if (!m_logicalAddresses.empty() && m_busDevices[m_logicalAddresses.primary])
 593     return m_busDevices[m_logicalAddresses.primary]->GetPhysicalAddress();
 594   return false;
 595 }
 596
 597 void CCECProcessor::SetCurrentButton(cec_user_control_code iButtonCode)
 598 {
 599   m_controller->SetCurrentButton(iButtonCode);
 600 }
 601
 602 void CCECProcessor::AddCommand(const cec_command &command)
 603 {
 604   m_controller->AddCommand(command);
 605 }
 606
 607 void CCECProcessor::AddKey(cec_keypress &key)
 608 {
 609   m_controller->AddKey(key);
 610 }
 611
 612 void CCECProcessor::AddKey(void)
 613 {
 614   m_controller->AddKey();
 615 }
 616
 617 void CCECProcessor::AddLog(cec_log_level level, const CStdString &strMessage)
 618 {
 619   m_controller->AddLog(level, strMessage);
 620 }
 621
 622 bool CCECProcessor::SetAckMask(uint16_t iMask)
 623 {
 624   bool bReturn(false);
 625   CStdString strLog;
 626   strLog.Format("setting ackmask to %2x", iMask);
 627   m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 628
 629   CCECAdapterMessage *output = new CCECAdapterMessage;
 630
 631   output->push_back(MSGSTART);
 632   output->push_escaped(MSGCODE_SET_ACK_MASK);
 633   output->push_escaped(iMask >> 8);
 634   output->push_escaped((uint8_t)iMask);
 635   output->push_back(MSGEND);
 636
 637   if ((bReturn = Transmit(output)) == false)
 638     m_controller->AddLog(CEC_LOG_ERROR, "could not set the ackmask");
 639
 640   delete output;
 641
 642   return bReturn;
 643 }