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
  41 #define SL_COMMAND_UNKNOWN_01           0x01
  42 #define SL_COMMAND_UNKNOWN_02           0x02
  43 #define SL_COMMAND_UNKNOWN_03           0x05
  44
  45 #define SL_COMMAND_REQUEST_POWER_STATUS 0xa0
  46 #define SL_COMMAND_POWER_ON             0x03
  47 #define SL_COMMAND_CONNECT_REQUEST      0x04
  48 #define SL_COMMAND_SET_DEVICE_MODE      0x05
  49
  50 CSLCommandHandler::CSLCommandHandler(CCECBusDevice *busDevice) :
  51     CCECCommandHandler(busDevice),
  52     m_bSLEnabled(false),
  53     m_bPowerStateReset(false),
  54     m_bActiveSourceSent(false)
  55 {
  56   m_vendorId = CEC_VENDOR_LG;
  57   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  58
  59   /* imitate LG devices */
  60   if (primary && m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
  61     primary->SetVendorId(CEC_VENDOR_LG);
  62
  63   /* LG TVs don't always reply to CEC version requests, so just set it to 1.3a */
  64   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
  65     m_busDevice->SetCecVersion(CEC_VERSION_1_3A);
  66
  67   /* LG devices always return "korean" as language */
  68   cec_menu_language lang;
  69   lang.device = m_busDevice->GetLogicalAddress();
  70   snprintf(lang.language, 4, "eng");
  71   m_busDevice->SetMenuLanguage(lang);
  72 }
  73
  74 bool CSLCommandHandler::InitHandler(void)
  75 {
  76   if (m_bHandlerInited)
  77     return true;
  78   m_bHandlerInited = true;
  79
  80   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  81   if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
  82   {
  83     /* start as 'in transition standby->on' */
  84     primary->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
  85     primary->TransmitPowerState(CECDEVICE_TV);
  86
  87     /* reply with LGs vendor id */
  88     primary->TransmitVendorID(CECDEVICE_BROADCAST, false);
  89   }
  90
  91   return true;
  92 }
  93
  94 bool CSLCommandHandler::ActivateSource(void)
  95 {
  96   if (!m_bSLEnabled)
  97     return true;
  98
  99   if (m_bActiveSourceSent)
 100     return true;
 101   m_bActiveSourceSent = true;
 102
 103   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 104   primary->SetActiveSource();
 105   primary->TransmitActiveSource();
 106   return true;
 107 }
 108
 109 bool CSLCommandHandler::HandleActiveSource(const cec_command &command)
 110 {
 111   if (command.parameters.size == 2)
 112   {
 113     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 114     if (iAddress != m_busDevice->GetPhysicalAddress(false))
 115       m_bSLEnabled = false;
 116     return m_processor->SetActiveSource(iAddress);
 117   }
 118
 119   return true;
 120 }
 121
 122 bool CSLCommandHandler::HandleDeviceVendorId(const cec_command &command)
 123 {
 124   SetVendorId(command);
 125
 126   if (!m_bSLEnabled)
 127   {
 128     cec_command response;
 129     cec_command::Format(response, m_processor->GetLogicalAddress(), command.initiator, CEC_OPCODE_FEATURE_ABORT);
 130     return Transmit(response);
 131   }
 132   return true;
 133 }
 134
 135 bool CSLCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 136 {
 137   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 138   {
 139     CCECBusDevice *device = GetDevice(command.destination);
 140     if (device)
 141       return device->TransmitPhysicalAddress(); // only the physical address, don't send image view on
 142   }
 143
 144   return false;
 145 }
 146
 147 bool CSLCommandHandler::HandleVendorCommand(const cec_command &command)
 148 {
 149   if (command.parameters.size == 1 &&
 150       command.parameters[0] == SL_COMMAND_UNKNOWN_01)
 151   {
 152     HandleVendorCommand01(command);
 153     return true;
 154   }
 155   else if (command.parameters.size == 2 &&
 156       command.parameters[0] == SL_COMMAND_POWER_ON)
 157   {
 158     HandleVendorCommandPowerOn(command);
 159     return true;
 160   }
 161   else if (command.parameters.size == 2 &&
 162       command.parameters[0] == SL_COMMAND_CONNECT_REQUEST)
 163   {
 164     HandleVendorCommandSLConnect(command);
 165     return true;
 166   }
 167   else if (command.parameters.size == 1 &&
 168       command.parameters[0] == SL_COMMAND_REQUEST_POWER_STATUS)
 169   {
 170     HandleVendorCommandPowerOnStatus(command);
 171     return true;
 172   }
 173
 174   return false;
 175 }
 176
 177 void CSLCommandHandler::HandleVendorCommand01(const cec_command &command)
 178 {
 179   m_processor->GetPrimaryDevice()->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 180   TransmitVendorCommand0205(command.destination, command.initiator);
 181 }
 182
 183 void CSLCommandHandler::TransmitVendorCommand0205(const cec_logical_address iSource, const cec_logical_address iDestination)
 184 {
 185   cec_command response;
 186   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 187   response.PushBack(SL_COMMAND_UNKNOWN_02);
 188   response.PushBack(SL_COMMAND_UNKNOWN_03);
 189
 190   Transmit(response, false);
 191 }
 192
 193 void CSLCommandHandler::HandleVendorCommandPowerOn(const cec_command &command)
 194 {
 195   CCECBusDevice *device = m_processor->GetPrimaryDevice();
 196   if (device)
 197   {
 198     m_bSLEnabled = true;
 199
 200     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON); //XXX
 201     device->TransmitPowerState(command.initiator);
 202     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 203
 204     device->SetActiveSource();
 205     TransmitImageViewOn(device->GetLogicalAddress(), command.initiator);
 206   }
 207 }
 208 void CSLCommandHandler::HandleVendorCommandPowerOnStatus(const cec_command &command)
 209 {
 210   if (command.destination != CECDEVICE_BROADCAST)
 211   {
 212     CCECBusDevice *device = m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary];
 213     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 214     device->TransmitPowerState(command.initiator);
 215     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 216   }
 217 }
 218
 219 void CSLCommandHandler::HandleVendorCommandSLConnect(const cec_command &command)
 220 {
 221   m_bSLEnabled = true;
 222   TransmitVendorCommandSetDeviceMode(m_processor->GetLogicalAddress(), command.initiator, CEC_DEVICE_TYPE_RECORDING_DEVICE);
 223
 224   ActivateSource();
 225 }
 226
 227 void CSLCommandHandler::TransmitVendorCommandSetDeviceMode(const cec_logical_address iSource, const cec_logical_address iDestination, const cec_device_type type)
 228 {
 229   cec_command response;
 230   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 231   response.PushBack(SL_COMMAND_SET_DEVICE_MODE);
 232   response.PushBack((uint8_t)type);
 233   Transmit(response, false);
 234 }
 235
 236 bool CSLCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 237 {
 238   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 239   {
 240     CCECBusDevice *device = GetDevice(command.destination);
 241     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 242     {
 243       if (command.parameters.size > 0)
 244       {
 245         if (command.parameters[0] == CEC_STATUS_REQUEST_ON)
 246         {
 247           ((CCECPlaybackDevice *) device)->SetDeckStatus(CEC_DECK_INFO_STOP);
 248           return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator) &&
 249               device->TransmitImageViewOn() &&
 250               device->TransmitPhysicalAddress();
 251         }
 252         else if (command.parameters[0] == CEC_STATUS_REQUEST_ONCE)
 253         {
 254           ((CCECPlaybackDevice *) device)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 255           return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 256         }
 257       }
 258     }
 259     return CCECCommandHandler::HandleGiveDeckStatus(command);
 260   }
 261
 262   return false;
 263 }
 264
 265 bool CSLCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 266 {
 267   bool bReturn(false);
 268   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 269   {
 270     CCECBusDevice *device = GetDevice(command.destination);
 271     if (device && device->GetPowerStatus(false) != CEC_POWER_STATUS_ON)
 272     {
 273       bReturn = device->TransmitPowerState(command.initiator);
 274       device->SetPowerStatus(CEC_POWER_STATUS_ON);
 275     }
 276     else
 277     {
 278       if (!m_bActiveSourceSent)
 279       {
 280         device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 281         bReturn = device->TransmitPowerState(command.initiator);
 282         ActivateSource();
 283       }
 284       else if (m_resetPowerState.IsSet() && m_resetPowerState.TimeLeft() > 0)
 285       {
 286         /* assume that we've bugged out */
 287         CLibCEC::AddLog(CEC_LOG_NOTICE, "LG seems to have bugged out. resetting to 'in transition standby to on'");
 288         m_bActiveSourceSent = false;
 289         device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 290         bReturn = device->TransmitPowerState(command.initiator);
 291         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 292         m_resetPowerState.Init(5000);
 293       }
 294       else
 295       {
 296         bReturn = device->TransmitPowerState(command.initiator);
 297         m_resetPowerState.Init(5000);
 298       }
 299     }
 300   }
 301
 302   return bReturn;
 303 }
 304
 305 bool CSLCommandHandler::HandleRequestActiveSource(const cec_command &command)
 306 {
 307   if (m_processor->IsRunning())
 308   {
 309     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i requests active source, ignored", (uint8_t) command.initiator);
 310     return true;
 311   }
 312   return false;
 313 }
 314
 315 bool CSLCommandHandler::HandleFeatureAbort(const cec_command &command)
 316 {
 317   if (command.parameters.size == 0 && m_processor->GetPrimaryDevice()->GetPowerStatus() == CEC_POWER_STATUS_ON && !m_bSLEnabled)
 318   {
 319     m_processor->GetPrimaryDevice()->TransmitPowerState(command.initiator);
 320     m_processor->GetPrimaryDevice()->TransmitVendorID(CECDEVICE_BROADCAST, false);
 321   }
 322
 323   return CCECCommandHandler::HandleFeatureAbort(command);
 324 }
 325
 326 bool CSLCommandHandler::HandleStandby(const cec_command &command)
 327 {
 328   if (command.initiator == CECDEVICE_TV)
 329   {
 330     m_bSLEnabled = false;
 331     m_bPowerStateReset = false;
 332     m_bActiveSourceSent = false;
 333   }
 334
 335   CCECBusDevice *device = GetDevice(command.initiator);
 336   if (device)
 337     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 338
 339   return true;
 340 }