90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
/*
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* Copyright (C) Roland Jax 2012-2014 <ebusd@liwest.at>
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*
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* This file is part of ebusd.
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*
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* ebusd is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ebusd is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ebusd. If not, see http://www.gnu.org/licenses/.
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*/
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#ifndef LIBEBUS_BUS_H_
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#define LIBEBUS_BUS_H_
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#include "symbol.h"
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#include "result.h"
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#include "port.h"
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#include "dump.h"
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#include "buscommand.h"
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#include <cstring>
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#include <cstdlib>
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#include <sstream>
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#include <queue>
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namespace libebus
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{
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// the maximum time allowed for retrieving a byte from an addressed slave
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#define RECV_TIMEOUT 10000
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class Bus
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{
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public:
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Bus(const std::string deviceName, const bool noDeviceCheck, const long recvTimeout,
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const std::string dumpFile, const long dumpSize, const bool dumpState);
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~Bus();
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void connect() { m_port->open(); }
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void disconnect() { if (m_port->isOpen() == true) m_port->close(); }
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bool isConnected() { return m_port->isOpen(); }
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void printBytes() const;
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int proceed();
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SymbolString getCycData();
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void addCommand(BusCommand* busCommand) { m_sendBuffer.push(busCommand); }
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int getBus(const unsigned char byte);
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BusCommand* sendCommand();
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BusCommand* delCommand();
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void setDumpState(const bool dumpState) { m_dumpState = dumpState; }
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private:
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Port* m_port;
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SymbolString m_sstr;
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std::queue<SymbolString> m_cycBuffer;
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std::queue<BusCommand*> m_sendBuffer;
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const long m_recvTimeout;
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Dump* m_dump;
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bool m_dumpState;
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bool m_busLocked;
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bool m_busPriorRetry;
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int proceedCycData(const unsigned char byte);
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int sendByte(const unsigned char byte_sent);
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unsigned char recvByte();
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int recvSlaveDataAndCRC(SymbolString& result);
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};
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} //namespace
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#endif // LIBEBUS_BUS_H_
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