src/lib/adapter/AdapterCommunication.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 <cectypes.h>
  35 #include "../platform/threads/threads.h"
  36 #include "../platform/util/buffer.h"
  37 #include "../platform/util/StdString.h"
  38
  39 namespace PLATFORM
  40 {
  41   class CSerialPort;
  42 }
  43
  44 namespace CEC
  45 {
  46   class CCECProcessor;
  47   class CCECAdapterMessage;
  48
  49   class CAdapterCommunication : private PLATFORM::CThread
  50   {
  51   public:
  52     CAdapterCommunication(CCECProcessor *processor);
  53     virtual ~CAdapterCommunication();
  54
  55     bool Open(const char *strPort, uint16_t iBaudRate = 38400, uint32_t iTimeoutMs = 10000);
  56     bool Read(CCECAdapterMessage &msg, uint32_t iTimeout = 1000);
  57     bool Write(CCECAdapterMessage *data);
  58     void Close(void);
  59     bool IsOpen(void);
  60     CStdString GetError(void) const;
  61
  62     void *Process(void);
  63
  64     bool SetLineTimeout(uint8_t iTimeout);
  65     bool StartBootloader(void);
  66     bool SetAckMask(uint16_t iMask);
  67     bool PingAdapter(void);
  68     uint16_t GetFirmwareVersion(void);
  69
  70     bool WaitForAck(CCECAdapterMessage &message);
  71
  72   private:
  73     void SendMessageToAdapter(CCECAdapterMessage *msg);
  74     void WriteNextCommand(void);
  75     void AddData(uint8_t *data, uint8_t iLen);
  76     bool ReadFromDevice(uint32_t iTimeout);
  77
  78     PLATFORM::CSerialPort *                      m_port;
  79     CCECProcessor *                              m_processor;
  80     PLATFORM::SyncedBuffer<uint8_t>              m_inBuffer;
  81     PLATFORM::SyncedBuffer<CCECAdapterMessage *> m_outBuffer;
  82     PLATFORM::CMutex                             m_mutex;
  83     PLATFORM::CCondition                         m_rcvCondition;
  84     uint8_t                                      m_iLineTimeout;
  85     uint16_t                                     m_iFirmwareVersion;
  86   };
  87 };