src/lib/implementations/SLCommandHandler.cpp

   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 "SLCommandHandler.h"
  35
  36 #include "lib/platform/util/timeutils.h"
  37 #include "lib/devices/CECBusDevice.h"
  38 #include "lib/devices/CECPlaybackDevice.h"
  39 #include "lib/CECProcessor.h"
  40 #include "lib/LibCEC.h"
  41
  42 using namespace CEC;
  43 using namespace PLATFORM;
  44
  45 #define SL_COMMAND_UNKNOWN_01           0x01
  46 #define SL_COMMAND_UNKNOWN_02           0x02
  47
  48 #define SL_COMMAND_TYPE_HDDRECORDER_DISC  0x01
  49 #define SL_COMMAND_TYPE_VCR               0x02
  50 #define SL_COMMAND_TYPE_DVDPLAYER         0x03
  51 #define SL_COMMAND_TYPE_HDDRECORDER_DISC2 0x04
  52 #define SL_COMMAND_TYPE_HDDRECORDER       0x05
  53
  54 #define SL_COMMAND_REQUEST_POWER_STATUS 0xa0
  55 #define SL_COMMAND_POWER_ON             0x03
  56 #define SL_COMMAND_CONNECT_REQUEST      0x04
  57 #define SL_COMMAND_SET_DEVICE_MODE      0x05
  58
  59 #define LIB_CEC     m_busDevice->GetProcessor()->GetLib()
  60 #define ToString(p) LIB_CEC->ToString(p)
  61
  62 CSLCommandHandler::CSLCommandHandler(CCECBusDevice *busDevice,
  63                                      int32_t iTransmitTimeout /* = CEC_DEFAULT_TRANSMIT_TIMEOUT */,
  64                                      int32_t iTransmitWait /* = CEC_DEFAULT_TRANSMIT_WAIT */,
  65                                      int8_t iTransmitRetries /* = CEC_DEFAULT_TRANSMIT_RETRIES */,
  66                                      int64_t iActiveSourcePending /* = 0 */) :
  67     CCECCommandHandler(busDevice, iTransmitTimeout, iTransmitWait, iTransmitRetries, iActiveSourcePending),
  68     m_bSLEnabled(false),
  69     m_bActiveSourceSent(false)
  70 {
  71   m_vendorId = CEC_VENDOR_LG;
  72
  73   /* LG devices don't always reply to CEC version requests, so just set it to 1.3a */
  74   m_busDevice->SetCecVersion(CEC_VERSION_1_3A);
  75
  76   /* LG devices always return "korean" as language */
  77   cec_menu_language lang;
  78   lang.device = m_busDevice->GetLogicalAddress();
  79   snprintf(lang.language, 4, "eng");
  80   m_busDevice->SetMenuLanguage(lang);
  81 }
  82
  83 bool CSLCommandHandler::InitHandler(void)
  84 {
  85   if (m_bHandlerInited)
  86     return true;
  87   m_bHandlerInited = true;
  88
  89   if (m_busDevice->GetLogicalAddress() != CECDEVICE_TV)
  90     return true;
  91
  92   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  93   if (primary && primary->GetLogicalAddress() != CECDEVICE_UNREGISTERED)
  94   {
  95     /* imitate LG devices */
  96     if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
  97     {
  98       primary->SetVendorId(CEC_VENDOR_LG);
  99       primary->ReplaceHandler(false);
 100     }
 101
 102     if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 103     {
 104       /* start as 'in transition standby->on' */
 105       primary->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 106       primary->TransmitPowerState(CECDEVICE_TV, false);
 107
 108       /* send the vendor id */
 109       primary->TransmitVendorID(CECDEVICE_BROADCAST, false, false);
 110     }
 111   }
 112
 113   return true;
 114 }
 115
 116 int CSLCommandHandler::HandleActiveSource(const cec_command &command)
 117 {
 118   if (command.parameters.size == 2)
 119   {
 120     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 121     CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iAddress);
 122     if (device)
 123       device->MarkAsActiveSource();
 124
 125     {
 126       CLockObject lock(m_SLMutex);
 127       m_bActiveSourceSent = false;
 128     }
 129
 130     return COMMAND_HANDLED;
 131   }
 132
 133   return CEC_ABORT_REASON_INVALID_OPERAND;
 134
 135 }
 136
 137 int CSLCommandHandler::HandleDeviceVendorId(const cec_command &command)
 138 {
 139   SetVendorId(command);
 140
 141   if (!SLInitialised() && command.initiator == CECDEVICE_TV)
 142   {
 143     CCECBusDevice *destination = m_processor->GetDevice(command.destination);
 144     if (destination && (destination->GetLogicalAddress() == CECDEVICE_BROADCAST || destination->IsHandledByLibCEC()))
 145     {
 146       cec_logical_address initiator = destination->GetLogicalAddress();
 147       if (initiator == CECDEVICE_BROADCAST)
 148         initiator = m_processor->GetPrimaryDevice()->GetLogicalAddress();
 149
 150       cec_command response;
 151       cec_command::Format(response, initiator, command.initiator, CEC_OPCODE_FEATURE_ABORT);
 152       Transmit(response, false, true);
 153       return COMMAND_HANDLED;
 154     }
 155   }
 156
 157   return CCECCommandHandler::HandleDeviceVendorId(command);
 158 }
 159
 160 int CSLCommandHandler::HandleVendorCommand(const cec_command &command)
 161 {
 162   if (!m_processor->IsHandledByLibCEC(command.destination))
 163     return true;
 164
 165   if (command.parameters.size == 1 &&
 166       command.parameters[0] == SL_COMMAND_UNKNOWN_01)
 167   {
 168     HandleVendorCommand01(command);
 169     return COMMAND_HANDLED;
 170   }
 171   else if (command.parameters.size == 2 &&
 172       command.parameters[0] == SL_COMMAND_POWER_ON)
 173   {
 174     HandleVendorCommandPowerOn(command);
 175     return COMMAND_HANDLED;
 176   }
 177   else if (command.parameters.size == 2 &&
 178       command.parameters[0] == SL_COMMAND_CONNECT_REQUEST)
 179   {
 180     HandleVendorCommandSLConnect(command);
 181     return COMMAND_HANDLED;
 182   }
 183   else if (command.parameters.size == 1 &&
 184       command.parameters[0] == SL_COMMAND_REQUEST_POWER_STATUS)
 185   {
 186     HandleVendorCommandPowerOnStatus(command);
 187     return COMMAND_HANDLED;
 188   }
 189
 190   return CCECCommandHandler::HandleVendorCommand(command);
 191 }
 192
 193 void CSLCommandHandler::HandleVendorCommand01(const cec_command &command)
 194 {
 195   m_processor->GetPrimaryDevice()->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 196   TransmitVendorCommand0205(command.destination, command.initiator);
 197 }
 198
 199 void CSLCommandHandler::TransmitVendorCommand0205(const cec_logical_address iSource, const cec_logical_address iDestination)
 200 {
 201   cec_command response;
 202   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 203   response.PushBack(SL_COMMAND_UNKNOWN_02);
 204   response.PushBack(SL_COMMAND_TYPE_HDDRECORDER);
 205
 206   Transmit(response, false, true);
 207 }
 208
 209 void CSLCommandHandler::HandleVendorCommandPowerOn(const cec_command &command)
 210 {
 211   if (command.initiator != CECDEVICE_TV)
 212     return;
 213
 214   CCECBusDevice *device = m_processor->GetPrimaryDevice();
 215   if (device)
 216   {
 217     SetSLInitialised();
 218     device->MarkAsActiveSource();
 219     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 220     device->TransmitPowerState(command.initiator, true);
 221
 222     CEvent::Sleep(2000);
 223     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 224     device->TransmitPowerState(command.initiator, false);
 225     device->TransmitPhysicalAddress(false);
 226     {
 227       CLockObject lock(m_SLMutex);
 228       m_bActiveSourceSent = false;
 229     }
 230   }
 231 }
 232 void CSLCommandHandler::HandleVendorCommandPowerOnStatus(const cec_command &command)
 233 {
 234   if (command.destination != CECDEVICE_BROADCAST)
 235   {
 236     CCECBusDevice *device = m_processor->GetPrimaryDevice();
 237     if (device)
 238     {
 239       device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 240       device->TransmitPowerState(command.initiator, true);
 241       device->SetPowerStatus(CEC_POWER_STATUS_ON);
 242     }
 243   }
 244 }
 245
 246 void CSLCommandHandler::HandleVendorCommandSLConnect(const cec_command &command)
 247 {
 248   SetSLInitialised();
 249   TransmitVendorCommandSetDeviceMode(command.destination, command.initiator, CEC_DEVICE_TYPE_RECORDING_DEVICE);
 250
 251   ActivateSource();
 252 }
 253
 254 void CSLCommandHandler::TransmitVendorCommandSetDeviceMode(const cec_logical_address iSource, const cec_logical_address iDestination, const cec_device_type type)
 255 {
 256   cec_command response;
 257   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 258   response.PushBack(SL_COMMAND_SET_DEVICE_MODE);
 259   response.PushBack((uint8_t)type);
 260   Transmit(response, false, true);
 261 }
 262
 263 int CSLCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 264 {
 265   if (!m_processor->CECInitialised() ||
 266       !m_processor->IsHandledByLibCEC(command.destination))
 267     return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 268
 269   CCECPlaybackDevice *device = CCECBusDevice::AsPlaybackDevice(GetDevice(command.destination));
 270   if (!device || command.parameters.size == 0)
 271     return CEC_ABORT_REASON_INVALID_OPERAND;
 272
 273   device->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 274   if (command.parameters[0] == CEC_STATUS_REQUEST_ON)
 275   {
 276     device->TransmitDeckStatus(command.initiator, true);
 277     if (!ActiveSourceSent())
 278       ActivateSource();
 279     return COMMAND_HANDLED;
 280   }
 281   else if (command.parameters[0] == CEC_STATUS_REQUEST_ONCE)
 282   {
 283     device->TransmitDeckStatus(command.initiator, true);
 284     return COMMAND_HANDLED;
 285   }
 286
 287   return CCECCommandHandler::HandleGiveDeckStatus(command);
 288 }
 289
 290 int CSLCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 291 {
 292   if (m_processor->CECInitialised() && m_processor->IsHandledByLibCEC(command.destination) && command.initiator == CECDEVICE_TV)
 293   {
 294     CCECBusDevice *device = GetDevice(command.destination);
 295     if (device && device->GetCurrentPowerStatus() != CEC_POWER_STATUS_ON)
 296     {
 297       device->TransmitPowerState(command.initiator, true);
 298       device->SetPowerStatus(CEC_POWER_STATUS_ON);
 299     }
 300     else
 301     {
 302       if (!ActiveSourceSent())
 303       {
 304         device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 305         device->TransmitPowerState(command.initiator, true);
 306         ActivateSource();
 307       }
 308       else if (m_resetPowerState.IsSet() && m_resetPowerState.TimeLeft() > 0)
 309       {
 310         /* TODO assume that we've bugged out. the return button no longer works after this */
 311         LIB_CEC->AddLog(CEC_LOG_WARNING, "FIXME: LG seems to have bugged out. resetting to 'in transition standby to on'. the return button will not work");
 312         {
 313           CLockObject lock(m_SLMutex);
 314           m_bActiveSourceSent = false;
 315         }
 316         device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 317         device->TransmitPowerState(command.initiator, true);
 318         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 319         m_resetPowerState.Init(5000);
 320       }
 321       else
 322       {
 323         device->TransmitPowerState(command.initiator, true);
 324         m_resetPowerState.Init(5000);
 325       }
 326     }
 327
 328     return COMMAND_HANDLED;
 329   }
 330
 331   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 332 }
 333
 334 int CSLCommandHandler::HandleRequestActiveSource(const cec_command &command)
 335 {
 336   if (m_processor->CECInitialised())
 337   {
 338     if (ActiveSourceSent())
 339       LIB_CEC->AddLog(CEC_LOG_DEBUG, ">> %i requests active source, ignored", (uint8_t) command.initiator);
 340     else
 341       ActivateSource();
 342     return COMMAND_HANDLED;
 343   }
 344   return CEC_ABORT_REASON_NOT_IN_CORRECT_MODE_TO_RESPOND;
 345 }
 346
 347 int CSLCommandHandler::HandleFeatureAbort(const cec_command &command)
 348 {
 349   if (command.parameters.size == 0 && m_processor->GetPrimaryDevice()->GetCurrentPowerStatus() == CEC_POWER_STATUS_ON && !SLInitialised() &&
 350       command.initiator == CECDEVICE_TV)
 351   {
 352     m_processor->GetPrimaryDevice()->TransmitPowerState(command.initiator, false);
 353     m_processor->GetPrimaryDevice()->TransmitVendorID(CECDEVICE_BROADCAST, false, false);
 354   }
 355
 356   return CCECCommandHandler::HandleFeatureAbort(command);
 357 }
 358
 359 int CSLCommandHandler::HandleStandby(const cec_command &command)
 360 {
 361   if (command.initiator == CECDEVICE_TV)
 362   {
 363     CLockObject lock(m_SLMutex);
 364     m_bActiveSourceSent = false;
 365   }
 366
 367   return CCECCommandHandler::HandleStandby(command);
 368 }
 369
 370 void CSLCommandHandler::ResetSLState(void)
 371 {
 372   LIB_CEC->AddLog(CEC_LOG_NOTICE, "resetting SL initialised state");
 373   CLockObject lock(m_SLMutex);
 374   m_bSLEnabled = false;
 375   m_bActiveSourceSent = false;
 376   m_processor->GetPrimaryDevice()->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 377 }
 378
 379 void CSLCommandHandler::SetSLInitialised(void)
 380 {
 381   LIB_CEC->AddLog(CEC_LOG_NOTICE, "SL initialised");
 382   CLockObject lock(m_SLMutex);
 383   m_bSLEnabled = true;
 384 }
 385
 386 bool CSLCommandHandler::SLInitialised(void)
 387 {
 388   CLockObject lock(m_SLMutex);
 389   return m_bSLEnabled;
 390 }
 391
 392 bool CSLCommandHandler::ActiveSourceSent(void)
 393 {
 394   CLockObject lock(m_SLMutex);
 395   return m_bActiveSourceSent;
 396 }
 397
 398 bool CSLCommandHandler::PowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 399 {
 400   if (iDestination != CECDEVICE_TV)
 401   {
 402     /* LG devices only allow themselves to be woken up by the TV with a vendor command */
 403     cec_command command;
 404
 405     if (!m_bSLEnabled)
 406       TransmitVendorID(CECDEVICE_TV, iDestination, CEC_VENDOR_LG, false);
 407
 408     cec_command::Format(command, CECDEVICE_TV, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 409     command.PushBack(SL_COMMAND_POWER_ON);
 410     command.PushBack(0);
 411     return Transmit(command, false, false);
 412   }
 413
 414   return CCECCommandHandler::PowerOn(iInitiator, iDestination);
 415 }
 416
 417 void CSLCommandHandler::VendorPreActivateSourceHook(void)
 418 {
 419   CCECPlaybackDevice *device = m_busDevice->AsPlaybackDevice();
 420   if (device)
 421     device->SetDeckStatus(!device->IsActiveSource() ? CEC_DECK_INFO_OTHER_STATUS : CEC_DECK_INFO_OTHER_STATUS_LG);
 422 }