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
  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_CONNECT_ACCEPT       0x05
  49
  50 CSLCommandHandler::CSLCommandHandler(CCECBusDevice *busDevice) :
  51     CCECCommandHandler(busDevice),
  52     m_bAwaitingReceiveFailed(false),
  53     m_bSLEnabled(false),
  54     m_bVendorIdSent(false)
  55 {
  56   /* TODO set to powered off until we fixed the connect on start loop issue */
  57   m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary]->m_powerStatus = CEC_POWER_STATUS_STANDBY;
  58 }
  59
  60 bool CSLCommandHandler::HandleVendorCommand(const cec_command &command)
  61 {
  62   if (command.parameters.size == 1 &&
  63       command.parameters[0] == SL_COMMAND_UNKNOWN_01)
  64   {
  65     HandleVendorCommand01(command);
  66     return true;
  67   }
  68   else if (command.parameters.size == 2 &&
  69       command.parameters[0] == SL_COMMAND_POWER_ON)
  70   {
  71     HandleVendorCommandPowerOn(command);
  72     return true;
  73   }
  74   else if (command.parameters.size == 2 &&
  75       command.parameters[0] == SL_COMMAND_CONNECT_REQUEST)
  76   {
  77     HandleVendorCommandSLConnect(command);
  78     return true;
  79   }
  80   else if (command.parameters.size == 1 &&
  81       command.parameters[0] == SL_COMMAND_REQUEST_POWER_STATUS)
  82   {
  83     HandleVendorCommandPowerOnStatus(command);
  84     return true;
  85   }
  86
  87   return false;
  88 }
  89
  90 bool CSLCommandHandler::HandleGiveDeckStatus(const cec_command &command)
  91 {
  92   if (command.parameters.size == 1)
  93   {
  94     if (command.parameters[0] == CEC_STATUS_REQUEST_ONCE ||
  95         command.parameters[0] == CEC_STATUS_REQUEST_ON)
  96     {
  97       TransmitDeckStatus(command.initiator);
  98     }
  99     else
 100     {
 101       CCECCommandHandler::HandleGiveDeckStatus(command);
 102     }
 103   }
 104   return true;
 105 }
 106
 107 void CSLCommandHandler::HandleVendorCommand01(const cec_command &command)
 108 {
 109   TransmitVendorCommand0205(command.destination, command.initiator);
 110 }
 111
 112 void CSLCommandHandler::TransmitVendorCommand0205(const cec_logical_address iSource, const cec_logical_address iDestination)
 113 {
 114   cec_command response;
 115   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 116   response.PushBack(SL_COMMAND_UNKNOWN_02);
 117   response.PushBack(SL_COMMAND_UNKNOWN_03);
 118
 119   Transmit(response);
 120 }
 121
 122 void CSLCommandHandler::TransmitVendorCommand05(const cec_logical_address iSource, const cec_logical_address iDestination)
 123 {
 124   m_bSLEnabled = true;
 125   cec_command response;
 126   cec_command::Format(response, iSource, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 127   response.PushBack(SL_COMMAND_CONNECT_ACCEPT);
 128   response.PushBack((uint8_t)iSource);
 129   Transmit(response);
 130 }
 131
 132 void CSLCommandHandler::HandleVendorCommandPowerOn(const cec_command &command)
 133 {
 134   CCECBusDevice *device = m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary];
 135   if (device)
 136   {
 137     m_bSLEnabled = true;
 138     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 139     device->TransmitPowerState(command.initiator);
 140     device->TransmitVendorID(command.initiator);
 141     TransmitPowerOn(device->GetLogicalAddress(), command.initiator);
 142   }
 143 }
 144
 145 void CSLCommandHandler::HandleVendorCommandSLConnect(const cec_command &command)
 146 {
 147   m_bSLEnabled = true;
 148   m_processor->m_busDevices[command.initiator]->SetActiveSource();
 149   m_processor->m_busDevices[command.destination]->TransmitActiveSource();
 150   TransmitVendorCommand05(command.destination, command.initiator);
 151   TransmitDeckStatus(command.initiator);
 152 }
 153
 154 void CSLCommandHandler::HandleVendorCommandPowerOnStatus(const cec_command &command)
 155 {
 156   if (command.destination != CECDEVICE_BROADCAST)
 157   {
 158     CCECBusDevice *device = m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary];
 159     device->SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
 160     device->TransmitPowerState(command.initiator);
 161     device->SetPowerStatus(CEC_POWER_STATUS_ON);
 162   }
 163 }
 164
 165 void CSLCommandHandler::TransmitDeckStatus(const cec_logical_address iDestination)
 166 {
 167   /* set deck status for the playback device */
 168   CCECBusDevice *primary = m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary];
 169   if (primary->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || primary->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)
 170   {
 171     ((CCECPlaybackDevice *)primary)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 172     ((CCECPlaybackDevice *)primary)->TransmitDeckStatus(iDestination);
 173   }
 174 }
 175
 176 bool CSLCommandHandler::TransmitLGVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 177 {
 178   cec_command response;
 179   cec_command::Format(response, iInitiator, iDestination, CEC_OPCODE_DEVICE_VENDOR_ID);
 180   response.parameters.PushBack((uint8_t) (((uint64_t)CEC_VENDOR_LG >> 16) & 0xFF));
 181   response.parameters.PushBack((uint8_t) (((uint64_t)CEC_VENDOR_LG >> 8) & 0xFF));
 182   response.parameters.PushBack((uint8_t) ((uint64_t)CEC_VENDOR_LG & 0xFF));
 183
 184   Transmit(response);
 185   return true;
 186 }
 187
 188 bool CSLCommandHandler::HandleGiveDeviceVendorId(const cec_command &command)
 189 {
 190   /* imitate LG devices */
 191   CCECBusDevice *device = GetDevice(command.destination);
 192   if (device)
 193     device->SetVendorId(CEC_VENDOR_LG);
 194
 195   return CCECCommandHandler::HandleGiveDeviceVendorId(command);
 196 }
 197
 198 bool CSLCommandHandler::HandleCommand(const cec_command &command)
 199 {
 200   bool bHandled(false);
 201
 202   if (m_processor->IsStarted() && (m_busDevice->MyLogicalAddressContains(command.destination) ||
 203       command.destination == CECDEVICE_BROADCAST))
 204   {
 205     switch(command.opcode)
 206     {
 207     case CEC_OPCODE_VENDOR_COMMAND:
 208       bHandled = HandleVendorCommand(command);
 209       break;
 210     case CEC_OPCODE_FEATURE_ABORT:
 211       {
 212         if (!m_bVendorIdSent)
 213         {
 214           m_bVendorIdSent = true;
 215           TransmitLGVendorId(m_processor->GetLogicalAddresses().primary, CECDEVICE_BROADCAST);
 216         }
 217       }
 218       bHandled = true;
 219     default:
 220       break;
 221     }
 222   }
 223
 224   if (!bHandled)
 225     bHandled = CCECCommandHandler::HandleCommand(command);
 226
 227   return bHandled;
 228 }
 229
 230 void CSLCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 231 {
 232   CCECCommandHandler::HandlePoll(iInitiator, iDestination);
 233   m_bAwaitingReceiveFailed = true;
 234 }
 235
 236 bool CSLCommandHandler::HandleReceiveFailed(void)
 237 {
 238   if (m_bAwaitingReceiveFailed)
 239   {
 240     m_bAwaitingReceiveFailed = false;
 241     return false;
 242   }
 243
 244   return true;
 245 }
 246
 247 bool CSLCommandHandler::InitHandler(void)
 248 {
 249   m_processor->SetStandardLineTimeout(3);
 250   m_processor->SetRetryLineTimeout(3);
 251
 252   /* increase the number of retries because the tv is keeping the bus busy at times */
 253   m_iTransmitWait    = 2000;
 254   m_iTransmitRetries = 4;
 255   m_iTransmitTimeout = 500;
 256
 257   CCECBusDevice *primary = m_processor->m_busDevices[m_processor->GetLogicalAddresses().primary];
 258   if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress())
 259   {
 260     primary->SetVendorId(CEC_VENDOR_LG, false);
 261     primary->TransmitVendorID(CECDEVICE_TV, false);
 262   }
 263
 264   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 265   {
 266     /* LG TVs don't always reply to CEC version requests, so just set it to 1.3a */
 267     m_busDevice->SetCecVersion(CEC_VERSION_1_3A);
 268   }
 269
 270   /* LG devices always return "korean" as language */
 271   cec_menu_language lang;
 272   lang.device = m_busDevice->GetLogicalAddress();
 273   snprintf(lang.language, 4, "eng");
 274   m_busDevice->SetMenuLanguage(lang);
 275
 276   if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV)
 277   {
 278     m_processor->SetActiveSource();
 279
 280     /* LG TVs only route keypresses when the deck status is set to 0x20 */
 281     cec_logical_addresses addr = m_processor->GetLogicalAddresses();
 282     for (uint8_t iPtr = 0; iPtr < 15; iPtr++)
 283     {
 284       CCECBusDevice *device = m_processor->m_busDevices[iPtr];
 285
 286       if (addr[iPtr])
 287       {
 288         if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE ||
 289                        device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE))
 290         {
 291           ((CCECPlaybackDevice *)device)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG);
 292           ((CCECPlaybackDevice *)device)->TransmitDeckStatus(CECDEVICE_TV);
 293         }
 294       }
 295     }
 296   }
 297
 298   return true;
 299 }
 300
 301 bool CSLCommandHandler::TransmitPowerOn(const cec_logical_address iInitiator, const cec_logical_address iDestination)
 302 {
 303   if (iDestination != CECDEVICE_BROADCAST &&
 304       iDestination != CECDEVICE_TV &&
 305       m_processor->m_busDevices[iDestination]->GetVendorId(false) == CEC_VENDOR_LG)
 306   {
 307     cec_command command;
 308     cec_command::Format(command, iInitiator, iDestination, CEC_OPCODE_VENDOR_COMMAND);
 309     command.parameters.PushBack((uint8_t)SL_COMMAND_POWER_ON);
 310     command.parameters.PushBack(0x00);
 311     return Transmit(command);
 312   }
 313
 314   return CCECCommandHandler::TransmitPowerOn(iInitiator, iDestination);
 315 }
 316