src/lib/implementations/SLCommandHandler.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 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 "../platform/timeutils.h"
  38 #include "../platform/threads.h"
  39
  40 using namespace CEC;
  41
  42 #define SL_COMMAND_UNKNOWN_01           0x01
  43 #define SL_COMMAND_UNKNOWN_02           0x02
  44 #define SL_COMMAND_UNKNOWN_03           0x05
  45
  46 #define SL_COMMAND_REQUEST_POWER_STATUS 0xa0
  47 #define SL_COMMAND_POWER_ON             0x03
  48 #define SL_COMMAND_CONNECT_REQUEST      0x04
  49 #define SL_COMMAND_CONNECT_ACCEPT       0x05
  50
  51 CSLCommandHandler::CSLCommandHandler(CCECBusDevice *busDevice) :
  52     CCECCommandHandler(busDevice),
  53     m_bAwaitingReceiveFailed(false),
  54     m_bSLEnabled(false),
  55     m_bPowerStateReset(false)
  56 {
  57   m_vendorId = CEC_VENDOR_LG;
  58   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
  59
  60   /* imitate LG devices */
  61   if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
  62     primary->SetVendorId(CEC_VENDOR_LG);
  63   SetLGDeckStatus();
  64
  65   /* LG TVs don't always reply to CEC version requests, so just set it to 1.3a */
  66   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
  67     m_busDevice->SetCecVersion(CEC_VERSION_1_3A);
  68
  69   /* LG devices always return "korean" as language */
  70   cec_menu_language lang;
  71   lang.device = m_busDevice->GetLogicalAddress();
  72   snprintf(lang.language, 4, "eng");
  73   m_busDevice->SetMenuLanguage(lang);
  74 }
  75
  76
  77 void CSLCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
  78 {
  79   CCECCommandHandler::HandlePoll(iInitiator, iDestination);
  80   m_bAwaitingReceiveFailed = true;
  81 }
  82
  83 bool CSLCommandHandler::HandleReceiveFailed(void)
  84 {
  85   if (m_bAwaitingReceiveFailed)
  86   {
  87     m_bAwaitingReceiveFailed = false;
  88     return false;
  89   }
  90
  91   return true;
  92 }
  93
  94 bool CSLCommandHandler::InitHandler(void)
  95 {
  96   if (m_bHandlerInited)
  97     return true;
  98   m_bHandlerInited = true;
  99
 100   /* reply with LGs vendor id */
 101   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 102   if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
 103     primary->TransmitVendorID(CECDEVICE_TV, false);
 104
 105   primary->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 106   return true;
 107 }
 108
 109 bool CSLCommandHandler::ActivateSource(void)
 110 {
 111   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 112   primary->SetActiveSource();
 113   primary->TransmitActiveSource();
 114   return true;
 115 }
 116
 117 bool CSLCommandHandler::HandleActiveSource(const cec_command &command)
 118 {
 119   if (command.parameters.size == 2)
 120   {
 121     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 122     if (iAddress != m_busDevice->GetPhysicalAddress(false))
 123       m_bSLEnabled = false;
 124     return m_processor->SetActiveSource(iAddress);
 125   }
 126
 127   return true;
 128 }
 129
 130 bool CSLCommandHandler::HandleFeatureAbort(const cec_command &command)
 131 {
 132   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 133   if (primary->GetPowerStatus(false) == CEC_POWER_STATUS_ON && !m_bPowerStateReset && !m_bSLEnabled)
 134   {
 135     m_bPowerStateReset = true;
 136     primary->SetPowerStatus(CEC_POWER_STATUS_STANDBY);
 137   }
 138
 139   return CCECCommandHandler::HandleFeatureAbort(command);
 140 }
 141
 142 bool CSLCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 143 {
 144   if (m_processor->IsStarted() && m_busDevice->MyLogicalAddressContains(command.destination))
 145   {
 146     CCECBusDevice *device = GetDevice(command.destination);
 147     if (device)
 148       return device->TransmitPhysicalAddress();
 149   }
 150
 151   return false;
 152 }
 153
 154 bool CSLCommandHandler::HandleVendorCommand(const cec_command &command)
 155 {
 156   if (command.parameters.size == 1 &&
 157       command.parameters[0] == SL_COMMAND_UNKNOWN_01)
 158   {
 159     HandleVendorCommand01(command);
 160     return true;
 161   }
 162   else if (command.parameters.size == 2 &&
 163       command.parameters[0] == SL_COMMAND_POWER_ON)
 164   {
 165     HandleVendorCommandPowerOn(command);
 166     return true;
 167   }
 168   else if (command.parameters.size == 2 &&
 169       command.parameters[0] == SL_COMMAND_CONNECT_REQUEST)
 170   {
 171     HandleVendorCommandSLConnect(command);
 172     return true;
 173   }
 174   else if (command.parameters.size == 1 &&
 175       command.parameters[0] == SL_COMMAND_REQUEST_POWER_STATUS)
 176   {
 177     HandleVendorCommandPowerOnStatus(command);
 178     return true;
 179   }
 180
 181   return false;
 182 }
 183
 184 void CSLCommandHandler::HandleVendorCommand01(const cec_command &command)
 185 {
 186   TransmitVendorCommand0205(command.destination, command.initiator);
 187 }
 188
 189 void CSLCommandHandler::TransmitVendorCommand0205(const cec_logical_address iSource, const cec_logical_address iDestination)
 190 {
 191   cec_command response;
 192   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 193   response.PushBack(SL_COMMAND_UNKNOWN_02);
 194   response.PushBack(SL_COMMAND_UNKNOWN_03);
 195
 196   Transmit(response, false);
 197 }
 198
 199 void CSLCommandHandler::HandleVendorCommandPowerOn(const cec_command &command)
 200 {
 201   CCECBusDevice *device = m_processor->GetPrimaryDevice();
 202   if (device)
 203   {
 204     m_bSLEnabled = true;
 205
 206     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON); //XXX
 207     device->TransmitPowerState(command.initiator);
 208     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 209
 210     SetLGDeckStatus();
 211     device->SetActiveSource();
 212     TransmitImageViewOn(device->GetLogicalAddress(), command.initiator);
 213   }
 214 }
 215 void CSLCommandHandler::HandleVendorCommandPowerOnStatus(const cec_command &command)
 216 {
 217   if (command.destination != CECDEVICE_BROADCAST)
 218   {
 219     CCECBusDevice *device = m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary];
 220     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 221     device->TransmitPowerState(command.initiator);
 222     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 223   }
 224 }
 225
 226 void CSLCommandHandler::HandleVendorCommandSLConnect(const cec_command &command)
 227 {
 228   m_bSLEnabled = true;
 229   SetLGDeckStatus();
 230
 231   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 232
 233   primary->SetActiveSource();
 234   TransmitImageViewOn(primary->GetLogicalAddress(), command.initiator);
 235   TransmitVendorCommand05(primary->GetLogicalAddress(), command.initiator);
 236 }
 237
 238 void CSLCommandHandler::TransmitVendorCommand05(const cec_logical_address iSource, const cec_logical_address iDestination)
 239 {
 240   cec_command response;
 241   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 242   response.PushBack(SL_COMMAND_CONNECT_ACCEPT);
 243   response.PushBack((uint8_t)iSource);
 244   Transmit(response, false);
 245 }
 246
 247 void CSLCommandHandler::SetLGDeckStatus(void)
 248 {
 249   /* LG TVs only route keypresses when the deck status is set to 0x20 */
 250   CCECBusDevice *device = m_processor->GetDeviceByType(CEC_DEVICE_TYPE_PLAYBACK_DEVICE);
 251   if (device)
 252     ((CCECPlaybackDevice *)device)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 253
 254   device = m_processor->GetDeviceByType(CEC_DEVICE_TYPE_RECORDING_DEVICE);
 255   if (device)
 256     ((CCECPlaybackDevice *)device)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 257 }