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     m_bVendorIdSent(false)
  56 {
  57   m_vendorId = CEC_VENDOR_LG;
  58   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  59
  60   /* imitate LG devices */
  61   if (primary && m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
  62     primary->SetVendorId(CEC_VENDOR_LG);
  63
  64   /* LG TVs don't always reply to CEC version requests, so just set it to 1.3a */
  65   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
  66     m_busDevice->SetCecVersion(CEC_VERSION_1_3A);
  67
  68   /* LG devices always return "korean" as language */
  69   cec_menu_language lang;
  70   lang.device = m_busDevice->GetLogicalAddress();
  71   snprintf(lang.language, 4, "eng");
  72   m_busDevice->SetMenuLanguage(lang);
  73 }
  74
  75 bool CSLCommandHandler::InitHandler(void)
  76 {
  77   if (m_bHandlerInited)
  78     return true;
  79   m_bHandlerInited = true;
  80
  81   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  82   if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
  83   {
  84     /* start as 'in transition standby->on' */
  85     primary->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
  86     primary->TransmitPowerState(CECDEVICE_TV);
  87   }
  88
  89   return true;
  90 }
  91
  92 bool CSLCommandHandler::ActivateSource(void)
  93 {
  94   /* reply with LGs vendor id */
  95   if (!m_bVendorIdSent)
  96   {
  97     m_bVendorIdSent = true;
  98     m_processor->GetPrimaryDevice()->TransmitVendorID(CECDEVICE_BROADCAST, false);
  99   }
 100
 101   if (!m_bSLEnabled)
 102     return true;
 103
 104   if (m_bActiveSourceSent)
 105     return true;
 106   m_bActiveSourceSent = true;
 107
 108   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 109   primary->SetActiveSource();
 110   primary->TransmitActiveSource();
 111   return true;
 112 }
 113
 114 bool CSLCommandHandler::HandleActiveSource(const cec_command &command)
 115 {
 116   if (command.parameters.size == 2)
 117   {
 118     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 119     if (iAddress != m_busDevice->GetPhysicalAddress(false))
 120       m_bSLEnabled = false;
 121     return m_processor->SetActiveSource(iAddress);
 122   }
 123
 124   return true;
 125 }
 126
 127 bool CSLCommandHandler::HandleDeviceVendorId(const cec_command &command)
 128 {
 129   SetVendorId(command);
 130
 131   if (!m_bSLEnabled)
 132   {
 133     cec_command response;
 134     cec_command::Format(response, m_processor->GetLogicalAddress(), command.initiator, CEC_OPCODE_FEATURE_ABORT);
 135     return Transmit(response);
 136   }
 137   return true;
 138 }
 139
 140 bool CSLCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 141 {
 142   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 143   {
 144     CCECBusDevice *device = GetDevice(command.destination);
 145     if (device)
 146       return device->TransmitPhysicalAddress(); // only the physical address, don't send image view on
 147   }
 148
 149   return false;
 150 }
 151
 152 bool CSLCommandHandler::HandleVendorCommand(const cec_command &command)
 153 {
 154   if (command.parameters.size == 1 &&
 155       command.parameters[0] == SL_COMMAND_UNKNOWN_01)
 156   {
 157     HandleVendorCommand01(command);
 158     return true;
 159   }
 160   else if (command.parameters.size == 2 &&
 161       command.parameters[0] == SL_COMMAND_POWER_ON)
 162   {
 163     HandleVendorCommandPowerOn(command);
 164     return true;
 165   }
 166   else if (command.parameters.size == 2 &&
 167       command.parameters[0] == SL_COMMAND_CONNECT_REQUEST)
 168   {
 169     HandleVendorCommandSLConnect(command);
 170     return true;
 171   }
 172   else if (command.parameters.size == 1 &&
 173       command.parameters[0] == SL_COMMAND_REQUEST_POWER_STATUS)
 174   {
 175     HandleVendorCommandPowerOnStatus(command);
 176     return true;
 177   }
 178
 179   return false;
 180 }
 181
 182 void CSLCommandHandler::HandleVendorCommand01(const cec_command &command)
 183 {
 184   m_processor->GetPrimaryDevice()->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 185   TransmitVendorCommand0205(command.destination, command.initiator);
 186 }
 187
 188 void CSLCommandHandler::TransmitVendorCommand0205(const cec_logical_address iSource, const cec_logical_address iDestination)
 189 {
 190   cec_command response;
 191   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 192   response.PushBack(SL_COMMAND_UNKNOWN_02);
 193   response.PushBack(SL_COMMAND_UNKNOWN_03);
 194
 195   Transmit(response, false);
 196 }
 197
 198 void CSLCommandHandler::HandleVendorCommandPowerOn(const cec_command &command)
 199 {
 200   CCECBusDevice *device = m_processor->GetPrimaryDevice();
 201   if (device)
 202   {
 203     m_bSLEnabled = true;
 204
 205     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON); //XXX
 206     device->TransmitPowerState(command.initiator);
 207     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 208
 209     device->SetActiveSource();
 210     TransmitImageViewOn(device->GetLogicalAddress(), command.initiator);
 211   }
 212 }
 213 void CSLCommandHandler::HandleVendorCommandPowerOnStatus(const cec_command &command)
 214 {
 215   if (command.destination != CECDEVICE_BROADCAST)
 216   {
 217     CCECBusDevice *device = m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary];
 218     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 219     device->TransmitPowerState(command.initiator);
 220     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 221   }
 222 }
 223
 224 void CSLCommandHandler::HandleVendorCommandSLConnect(const cec_command &command)
 225 {
 226   m_bSLEnabled = true;
 227   TransmitVendorCommandSetDeviceMode(m_processor->GetLogicalAddress(), command.initiator, CEC_DEVICE_TYPE_RECORDING_DEVICE);
 228
 229   ActivateSource();
 230 }
 231
 232 void CSLCommandHandler::TransmitVendorCommandSetDeviceMode(const cec_logical_address iSource, const cec_logical_address iDestination, const cec_device_type type)
 233 {
 234   cec_command response;
 235   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 236   response.PushBack(SL_COMMAND_SET_DEVICE_MODE);
 237   response.PushBack((uint8_t)type);
 238   Transmit(response, false);
 239 }
 240
 241 bool CSLCommandHandler::HandleGiveDeckStatus(const cec_command &command)
 242 {
 243   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 244   {
 245     CCECBusDevice *device = GetDevice(command.destination);
 246     if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 247     {
 248       if (command.parameters.size > 0)
 249       {
 250         if (command.parameters[0] == CEC_STATUS_REQUEST_ON)
 251         {
 252           ((CCECPlaybackDevice *) device)->SetDeckStatus(CEC_DECK_INFO_STOP);
 253           return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator) &&
 254               device->TransmitImageViewOn() &&
 255               device->TransmitPhysicalAddress();
 256         }
 257         else if (command.parameters[0] == CEC_STATUS_REQUEST_ONCE)
 258         {
 259           ((CCECPlaybackDevice *) device)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 260           return ((CCECPlaybackDevice *) device)->TransmitDeckStatus(command.initiator);
 261         }
 262       }
 263     }
 264     return CCECCommandHandler::HandleGiveDeckStatus(command);
 265   }
 266
 267   return false;
 268 }
 269
 270 bool CSLCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 271 {
 272   bool bReturn(false);
 273   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 274   {
 275     CCECBusDevice *device = GetDevice(command.destination);
 276     if (device && device->GetPowerStatus(false) != CEC_POWER_STATUS_ON)
 277     {
 278       bReturn = device->TransmitPowerState(command.initiator);
 279       device->SetPowerStatus(CEC_POWER_STATUS_ON);
 280     }
 281     else
 282     {
 283       if (!m_bActiveSourceSent)
 284       {
 285         device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 286         bReturn = device->TransmitPowerState(command.initiator);
 287         ActivateSource();
 288       }
 289       else if (m_resetPowerState.IsSet() && m_resetPowerState.TimeLeft() > 0)
 290       {
 291         /* assume that we've bugged out */
 292         CLibCEC::AddLog(CEC_LOG_NOTICE, "LG seems to have bugged out. resetting to 'in transition standby to on'");
 293         m_bActiveSourceSent = false;
 294         device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 295         bReturn = device->TransmitPowerState(command.initiator);
 296         device->SetPowerStatus(CEC_POWER_STATUS_ON);
 297         m_resetPowerState.Init(5000);
 298       }
 299       else
 300       {
 301         bReturn = device->TransmitPowerState(command.initiator);
 302         m_resetPowerState.Init(5000);
 303       }
 304     }
 305   }
 306
 307   return bReturn;
 308 }
 309
 310 bool CSLCommandHandler::HandleRequestActiveSource(const cec_command &command)
 311 {
 312   if (m_processor->IsRunning())
 313   {
 314     CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %i requests active source, ignored", (uint8_t) command.initiator);
 315     return true;
 316   }
 317   return false;
 318 }
 319
 320 bool CSLCommandHandler::HandleFeatureAbort(const cec_command &command)
 321 {
 322   if (command.parameters.size == 0 && m_processor->GetPrimaryDevice()->GetPowerStatus() == CEC_POWER_STATUS_ON && !m_bSLEnabled)
 323   {
 324     m_processor->GetPrimaryDevice()->TransmitPowerState(command.initiator);
 325     m_processor->GetPrimaryDevice()->TransmitVendorID(CECDEVICE_BROADCAST, false);
 326   }
 327
 328   return CCECCommandHandler::HandleFeatureAbort(command);
 329 }
 330
 331 bool CSLCommandHandler::HandleStandby(const cec_command &command)
 332 {
 333   if (command.initiator == CECDEVICE_TV)
 334   {
 335     m_bSLEnabled = false;
 336     m_bPowerStateReset = false;
 337     m_bActiveSourceSent = false;
 338   }
 339
 340   CCECBusDevice *device = GetDevice(command.initiator);
 341   if (device)
 342     device->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 343
 344   return true;
 345 }