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