src/lib/CECParser.h

   1 #pragma once
   2 /*
   3  * This file is part of the libCEC(R) library.
   4  *
   5  * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
   6  * libCEC(R) is an original work, containing original code.
   7  *
   8  * libCEC(R) is a trademark of Pulse-Eight Limited.
   9  *
  10  * This program is dual-licensed; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  *
  24  *
  25  * Alternatively, you can license this library under a commercial license,
  26  * please contact Pulse-Eight Licensing for more information.
  27  *
  28  * For more information contact:
  29  * Pulse-Eight Licensing       <license@pulse-eight.com>
  30  *     http://www.pulse-eight.com/
  31  *     http://www.pulse-eight.net/
  32  */
  33
  34 #include <queue>
  35 #include <stdio.h>
  36 #include "../../include/CECExports.h"
  37 #include "../../include/CECTypes.h"
  38 #include "util/buffer.h"
  39
  40 class CSerialPort;
  41
  42 namespace CEC
  43 {
  44   class CCECParser : public ICECDevice
  45   {
  46     public:
  47     /*!
  48      * ICECDevice implementation
  49      */
  50     //@{
  51       CCECParser(const char *strDeviceName, cec_logical_address iLogicalAddress = CECDEVICE_PLAYBACKDEVICE1, int iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS);
  52       virtual ~CCECParser(void);
  53
  54       virtual bool Open(const char *strPort, int iTimeout = 10000);
  55       virtual int  FindDevices(std::vector<cec_device> &deviceList, const char *strDevicePath = NULL);
  56       virtual bool Ping(void);
  57       virtual bool StartBootloader(void);
  58       virtual bool PowerOffDevices(cec_logical_address address = CECDEVICE_BROADCAST);
  59       virtual bool PowerOnDevices(cec_logical_address address = CECDEVICE_BROADCAST);
  60       virtual bool StandbyDevices(cec_logical_address address = CECDEVICE_BROADCAST);
  61       virtual bool SetActiveView(void);
  62       virtual bool SetInactiveView(void);
  63       virtual bool GetNextLogMessage(cec_log_message *message);
  64       virtual bool GetNextKeypress(cec_keypress *key);
  65       virtual bool GetNextCommand(cec_command *command);
  66       virtual bool Transmit(const cec_frame &data, bool bWaitForAck = true, int64_t iTimeout = (int64_t) 5000);
  67       virtual bool SetLogicalAddress(cec_logical_address iLogicalAddress);
  68       virtual bool SetAckMask(uint16_t iMask);
  69       virtual int  GetMinVersion(void);
  70       virtual int  GetLibVersion(void);
  71     //@}
  72
  73       static void *ThreadHandler(CCECParser *parser);
  74       bool Process(void);
  75     protected:
  76       virtual bool TransmitFormatted(const cec_frame &data, bool bWaitForAck = true, int64_t iTimeout = (int64_t) 2000);
  77       virtual void TransmitAbort(cec_logical_address address, cec_opcode opcode, ECecAbortReason reason = CEC_ABORT_REASON_UNRECOGNIZED_OPCODE);
  78       virtual void ReportCECVersion(cec_logical_address address = CECDEVICE_TV);
  79       virtual void ReportPowerState(cec_logical_address address = CECDEVICE_TV, bool bOn = true);
  80       virtual void ReportMenuState(cec_logical_address address = CECDEVICE_TV, bool bActive = true);
  81       virtual void ReportVendorID(cec_logical_address address = CECDEVICE_TV);
  82       virtual void ReportOSDName(cec_logical_address address = CECDEVICE_TV);
  83       virtual void ReportPhysicalAddress(void);
  84       virtual void BroadcastActiveSource(void);
  85       virtual uint8_t GetSourceDestination(cec_logical_address destination = CECDEVICE_BROADCAST);
  86
  87     private:
  88       void AddKey(void);
  89       void AddCommand(cec_logical_address source, cec_logical_address destination, cec_opcode opcode, cec_frame *parameters);
  90       void AddLog(cec_log_level level, const std::string &strMessage);
  91       bool WaitForAck(int64_t iTimeout = (int64_t) 1000);
  92       bool ReadFromDevice(int iTimeout);
  93       void ProcessMessages(void);
  94       bool GetMessage(cec_frame &msg, bool bFromBuffer = true);
  95       void ParseMessage(cec_frame &msg);
  96       void ParseCurrentFrame(void);
  97
  98       void AddData(uint8_t* data, int len);
  99       void PushEscaped(cec_frame &vec, uint8_t iByte);
 100
 101       void CheckKeypressTimeout(int64_t now);
 102
 103       uint8_t*                   m_inbuf;
 104       int                        m_iInbufSize;
 105       int                        m_iInbufUsed;
 106       CSerialPort *              m_serialport;
 107       cec_frame                  m_currentframe;
 108       cec_user_control_code      m_iCurrentButton;
 109       int64_t                    m_buttontime;
 110       int                        m_physicaladdress;
 111       cec_logical_address        m_iLogicalAddress;
 112       CecBuffer<cec_frame>       m_frameBuffer;
 113       CecBuffer<cec_log_message> m_logBuffer;
 114       CecBuffer<cec_keypress>    m_keyBuffer;
 115       CecBuffer<cec_command>     m_commandBuffer;
 116       std::string                m_strDeviceName;
 117       pthread_t                  m_thread;
 118       CMutex                     m_mutex;
 119       bool                       m_bRunning;
 120   };
 121 };