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
  38 using namespace CEC;
  39
  40 #define SL_COMMAND_UNKNOWN_01           0x01
  41 #define SL_COMMAND_UNKNOWN_02           0x02
  42 #define SL_COMMAND_UNKNOWN_03           0x05
  43
  44 #define SL_COMMAND_REQUEST_POWER_STATUS 0xa0
  45 #define SL_COMMAND_POWER_ON             0x03
  46 #define SL_COMMAND_CONNECT_REQUEST      0x04
  47 #define SL_COMMAND_CONNECT_ACCEPT       0x05
  48
  49 CSLCommandHandler::CSLCommandHandler(CCECBusDevice *busDevice) :
  50     CCECCommandHandler(busDevice),
  51     m_bSLEnabled(false),
  52     m_bPowerStateReset(false)
  53 {
  54   m_vendorId = CEC_VENDOR_LG;
  55   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  56
  57   /* imitate LG devices */
  58   if (primary && m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
  59     primary->SetVendorId(CEC_VENDOR_LG);
  60   SetLGDeckStatus();
  61
  62   /* LG TVs don't always reply to CEC version requests, so just set it to 1.3a */
  63   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
  64     m_busDevice->SetCecVersion(CEC_VERSION_1_3A);
  65
  66   /* LG devices always return "korean" as language */
  67   cec_menu_language lang;
  68   lang.device = m_busDevice->GetLogicalAddress();
  69   snprintf(lang.language, 4, "eng");
  70   m_busDevice->SetMenuLanguage(lang);
  71 }
  72
  73 bool CSLCommandHandler::InitHandler(void)
  74 {
  75   if (m_bHandlerInited)
  76     return true;
  77   m_bHandlerInited = true;
  78
  79   /* reply with LGs vendor id */
  80   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  81   if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
  82     primary->TransmitVendorID(CECDEVICE_TV, false);
  83
  84   primary->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
  85   return true;
  86 }
  87
  88 bool CSLCommandHandler::ActivateSource(void)
  89 {
  90   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  91   primary->SetActiveSource();
  92   primary->TransmitActiveSource();
  93   return true;
  94 }
  95
  96 bool CSLCommandHandler::HandleActiveSource(const cec_command &command)
  97 {
  98   if (command.parameters.size == 2)
  99   {
 100     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 101     if (iAddress != m_busDevice->GetPhysicalAddress(false))
 102       m_bSLEnabled = false;
 103     return m_processor->SetActiveSource(iAddress);
 104   }
 105
 106   return true;
 107 }
 108
 109 bool CSLCommandHandler::HandleDeviceVendorId(const cec_command &command)
 110 {
 111   SetVendorId(command);
 112
 113   cec_command response;
 114   cec_command::Format(response, m_processor->GetLogicalAddress(), command.initiator, CEC_OPCODE_FEATURE_ABORT);
 115   return Transmit(response);
 116 }
 117
 118 bool CSLCommandHandler::HandleFeatureAbort(const cec_command &command)
 119 {
 120   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 121   if (primary->GetPowerStatus(false) == CEC_POWER_STATUS_ON && !m_bPowerStateReset && !m_bSLEnabled)
 122   {
 123     m_bPowerStateReset = true;
 124     primary->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 125   }
 126
 127   return CCECCommandHandler::HandleFeatureAbort(command);
 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();
 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   TransmitVendorCommand0205(command.destination, command.initiator);
 175 }
 176
 177 void CSLCommandHandler::TransmitVendorCommand0205(const cec_logical_address iSource, const cec_logical_address iDestination)
 178 {
 179   cec_command response;
 180   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 181   response.PushBack(SL_COMMAND_UNKNOWN_02);
 182   response.PushBack(SL_COMMAND_UNKNOWN_03);
 183
 184   Transmit(response, false);
 185 }
 186
 187 void CSLCommandHandler::HandleVendorCommandPowerOn(const cec_command &command)
 188 {
 189   CCECBusDevice *device = m_processor->GetPrimaryDevice();
 190   if (device)
 191   {
 192     m_bSLEnabled = true;
 193
 194     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON); //XXX
 195     device->TransmitPowerState(command.initiator);
 196     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 197
 198     SetLGDeckStatus();
 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   SetLGDeckStatus();
 218
 219   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 220
 221   primary->SetActiveSource();
 222   TransmitImageViewOn(primary->GetLogicalAddress(), command.initiator);
 223   TransmitVendorCommand05(primary->GetLogicalAddress(), command.initiator);
 224 }
 225
 226 void CSLCommandHandler::TransmitVendorCommand05(const cec_logical_address iSource, const cec_logical_address iDestination)
 227 {
 228   cec_command response;
 229   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 230   response.PushBack(SL_COMMAND_CONNECT_ACCEPT);
 231   response.PushBack((uint8_t)iSource);
 232   Transmit(response, false);
 233 }
 234
 235 void CSLCommandHandler::SetLGDeckStatus(void)
 236 {
 237   /* LG TVs only route keypresses when the deck status is set to 0x20 */
 238   CCECBusDevice *device = m_processor->GetDeviceByType(CEC_DEVICE_TYPE_PLAYBACK_DEVICE);
 239   if (device)
 240     ((CCECPlaybackDevice *)device)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 241
 242   device = m_processor->GetDeviceByType(CEC_DEVICE_TYPE_RECORDING_DEVICE);
 243   if (device)
 244     ((CCECPlaybackDevice *)device)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 245 }