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   SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
  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->TransmitImageViewOn();
  93   primary->TransmitActiveSource();
  94   return true;
  95 }
  96
  97 bool CSLCommandHandler::HandleActiveSource(const cec_command &command)
  98 {
  99   if (command.parameters.size == 2)
 100   {
 101     uint16_t iAddress = ((uint16_t)command.parameters[0] << 8) | ((uint16_t)command.parameters[1]);
 102     if (iAddress != m_busDevice->GetPhysicalAddress(false))
 103       m_bSLEnabled = false;
 104     return m_processor->SetActiveSource(iAddress);
 105   }
 106
 107   return true;
 108 }
 109
 110 bool CSLCommandHandler::HandleDeviceVendorId(const cec_command &command)
 111 {
 112   SetVendorId(command);
 113
 114   cec_command response;
 115   cec_command::Format(response, m_processor->GetLogicalAddress(), command.initiator, CEC_OPCODE_FEATURE_ABORT);
 116   return Transmit(response);
 117 }
 118
 119 bool CSLCommandHandler::HandleFeatureAbort(const cec_command &command)
 120 {
 121   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 122   if (primary->GetPowerStatus(false) == CEC_POWER_STATUS_ON && !m_bPowerStateReset && !m_bSLEnabled)
 123   {
 124     m_bPowerStateReset = true;
 125     primary->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 126   }
 127
 128   return CCECCommandHandler::HandleFeatureAbort(command);
 129 }
 130
 131 bool CSLCommandHandler::HandleGivePhysicalAddress(const cec_command &command)
 132 {
 133   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 134   {
 135     CCECBusDevice *device = GetDevice(command.destination);
 136     if (device)
 137       return device->TransmitPhysicalAddress();
 138   }
 139
 140   return false;
 141 }
 142
 143 bool CSLCommandHandler::HandleVendorCommand(const cec_command &command)
 144 {
 145   if (command.parameters.size == 1 &&
 146       command.parameters[0] == SL_COMMAND_UNKNOWN_01)
 147   {
 148     HandleVendorCommand01(command);
 149     return true;
 150   }
 151   else if (command.parameters.size == 2 &&
 152       command.parameters[0] == SL_COMMAND_POWER_ON)
 153   {
 154     HandleVendorCommandPowerOn(command);
 155     return true;
 156   }
 157   else if (command.parameters.size == 2 &&
 158       command.parameters[0] == SL_COMMAND_CONNECT_REQUEST)
 159   {
 160     HandleVendorCommandSLConnect(command);
 161     return true;
 162   }
 163   else if (command.parameters.size == 1 &&
 164       command.parameters[0] == SL_COMMAND_REQUEST_POWER_STATUS)
 165   {
 166     HandleVendorCommandPowerOnStatus(command);
 167     return true;
 168   }
 169
 170   return false;
 171 }
 172
 173 void CSLCommandHandler::HandleVendorCommand01(const cec_command &command)
 174 {
 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     SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 200     device->SetActiveSource();
 201     TransmitImageViewOn(device->GetLogicalAddress(), command.initiator);
 202   }
 203 }
 204 void CSLCommandHandler::HandleVendorCommandPowerOnStatus(const cec_command &command)
 205 {
 206   if (command.destination != CECDEVICE_BROADCAST)
 207   {
 208     CCECBusDevice *device = m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary];
 209     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 210     device->TransmitPowerState(command.initiator);
 211     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 212   }
 213 }
 214
 215 void CSLCommandHandler::HandleVendorCommandSLConnect(const cec_command &command)
 216 {
 217   m_bSLEnabled = true;
 218   CCECBusDevice *primary = m_processor->GetPrimaryDevice();
 219
 220   TransmitVendorCommand05(primary->GetLogicalAddress(), command.initiator);
 221
 222   CCECPlaybackDevice *playback = (primary->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || primary->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) ?
 223       (CCECPlaybackDevice *)primary : NULL;
 224   if (playback)
 225   {
 226     SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS);
 227     playback->TransmitDeckStatus(CECDEVICE_TV);
 228     PLATFORM::CEvent::Sleep(2000);
 229   }
 230
 231   primary->SetActiveSource();
 232   primary->TransmitImageViewOn();
 233
 234   SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 235   if (playback)
 236     playback->TransmitDeckStatus(CECDEVICE_TV);
 237 }
 238
 239 void CSLCommandHandler::TransmitVendorCommand05(const cec_logical_address iSource, const cec_logical_address iDestination)
 240 {
 241   cec_command response;
 242   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 243   response.PushBack(SL_COMMAND_CONNECT_ACCEPT);
 244   response.PushBack((uint8_t)m_processor->m_busDevices[iSource]->GetType());
 245   Transmit(response, false);
 246 }
 247
 248 void CSLCommandHandler::SetDeckStatus(cec_deck_info deckStatus)
 249 {
 250   CCECBusDevice *device = m_processor->GetDeviceByType(CEC_DEVICE_TYPE_PLAYBACK_DEVICE);
 251   if (device)
 252     ((CCECPlaybackDevice *)device)->SetDeckStatus(deckStatus);
 253
 254   device = m_processor->GetDeviceByType(CEC_DEVICE_TYPE_RECORDING_DEVICE);
 255   if (device)
 256     ((CCECPlaybackDevice *)device)->SetDeckStatus(deckStatus);
 257 }
 258
 259
 260 bool CSLCommandHandler::HandleGiveDevicePowerStatus(const cec_command &command)
 261 {
 262   if (m_processor->IsRunning() && m_busDevice->MyLogicalAddressContains(command.destination))
 263   {
 264     CCECBusDevice *device = GetDevice(command.destination);
 265     if (device && device->GetPowerStatus(false) != CEC_POWER_STATUS_ON)
 266       return device->TransmitPowerState(command.initiator);
 267   }
 268
 269   return false;
 270 }