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