src/lib/devices/CECBusDevice.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 "CECBusDevice.h"
  34 #include "../CECProcessor.h"
  35 #include "../implementations/ANCommandHandler.h"
  36 #include "../implementations/CECCommandHandler.h"
  37 #include "../implementations/SLCommandHandler.h"
  38 #include "../platform/timeutils.h"
  39
  40 using namespace CEC;
  41
  42 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
  43   m_iPhysicalAddress(iPhysicalAddress),
  44   m_iLogicalAddress(iLogicalAddress),
  45   m_processor(processor),
  46   m_iVendorId(0),
  47   m_iVendorClass(CEC_VENDOR_UNKNOWN),
  48   m_iLastActive(0)
  49 {
  50   m_handler = new CCECCommandHandler(this);
  51 }
  52
  53 CCECBusDevice::~CCECBusDevice(void)
  54 {
  55   delete m_handler;
  56 }
  57
  58 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
  59 {
  60   return m_processor->GetLogicalAddress();
  61 }
  62
  63 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
  64 {
  65   return m_processor->GetPhysicalAddress();
  66 }
  67
  68 void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
  69 {
  70   m_processor->AddLog(level, strMessage);
  71 }
  72
  73 void CCECBusDevice::SetVendorId(uint64_t iVendorId, uint8_t iVendorClass /* = 0 */)
  74 {
  75   m_iVendorId = iVendorId;
  76   m_iVendorClass = iVendorClass;
  77
  78   switch (iVendorId)
  79   {
  80   case CEC_VENDOR_SAMSUNG:
  81     if (m_handler->GetVendorId() != CEC_VENDOR_SAMSUNG)
  82     {
  83       delete m_handler;
  84       m_handler = new CANCommandHandler(this);
  85     }
  86     break;
  87   case CEC_VENDOR_LG:
  88     if (m_handler->GetVendorId() != CEC_VENDOR_LG)
  89     {
  90       delete m_handler;
  91       m_handler = new CSLCommandHandler(this);
  92     }
  93     break;
  94   default:
  95     if (m_handler->GetVendorId() != CEC_VENDOR_UNKNOWN)
  96     {
  97       delete m_handler;
  98       m_handler = new CCECCommandHandler(this);
  99     }
 100     break;
 101   }
 102
 103   CStdString strLog;
 104   strLog.Format("device %d: vendor = %s (%04x) class = %2x", m_iLogicalAddress, GetVendorName(), GetVendorId(), GetVendorClass());
 105   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 106 }
 107
 108 bool CCECBusDevice::HandleCommand(const cec_command &command)
 109 {
 110   CLockObject lock(&m_mutex);
 111   m_iLastActive = GetTimeMs();
 112   m_handler->HandleCommand(command);
 113   return true;
 114 }
 115
 116 void CCECBusDevice::PollVendorId(void)
 117 {
 118   CLockObject lock(&m_mutex);
 119   if (m_iLastActive > 0 && m_iVendorId == CEC_VENDOR_UNKNOWN &&
 120       GetTimeMs() - m_iLastActive > 5000)
 121   {
 122     m_iLastActive = GetTimeMs();
 123
 124     cec_command command;
 125     cec_command::format(command, GetMyLogicalAddress(), GetLogicalAddress(), CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 126     m_processor->Transmit(command, false);
 127   }
 128 }
 129
 130 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 131 {
 132   CStdString strLog;
 133   strLog.Format(">> %i changed physical address from %04x to %04x", GetLogicalAddress(), m_iPhysicalAddress, iNewAddress);
 134   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 135
 136   m_iPhysicalAddress = iNewAddress;
 137 }
 138
 139 const char *CCECBusDevice::CECVendorIdToString(const uint64_t iVendorId)
 140 {
 141   switch (iVendorId)
 142   {
 143   case CEC_VENDOR_SAMSUNG:
 144     return "Samsung";
 145   case CEC_VENDOR_LG:
 146       return "LG";
 147   default:
 148     return "Unknown";
 149   }
 150 }