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ebusd/src/ebusd/ebusloop.h
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/*
* Copyright (C) Roland Jax 2012-2014 <ebusd@liwest.at>
*
* This file is part of ebusd.
*
* ebusd is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ebusd is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ebusd. If not, see http://www.gnu.org/licenses/.
*/
#ifndef EBUSLOOP_H_
#define EBUSLOOP_H_
#include "commands.h"
#include "port.h"
#include "dump.h"
#include "buscommand.h"
#include "wqueue.h"
#include "thread.h"
/** the maximum time [us] allowed for retrieving a byte from an addressed slave */
#define RECV_TIMEOUT 10000
using namespace libebus;
class EBusLoop : public Thread
{
public:
EBusLoop(Commands* commands);
~EBusLoop();
void* run();
void stop() { m_stop = true; }
void addBusCommand(BusCommand* busCommand) { m_sendBuffer.add(busCommand); }
void dump() { m_dumpState == true ? m_dumpState = false : m_dumpState = true ; }
void raw() { m_logRawData == true ? m_logRawData = false : m_logRawData = true ; }
void reload(Commands* commands) { m_commands = commands; }
private:
Commands* m_commands;
Port* m_port;
Dump* m_dump;
bool m_dumpState;
bool m_logRawData;
bool m_stop;
int m_lockCounter;
bool m_priorRetry;
WQueue<BusCommand*> m_sendBuffer;
SymbolString m_sstr;
double m_pollInterval;
long m_recvTimeout;
int m_sendRetries;
int m_lockRetries;
long m_acquireTime;
unsigned char fetchByte();
void collectCycData(const int numRecv);
void analyseCycData();
void addPollCommand();
int acquireBus();
BusCommand* sendCommand();
int sendByte(const unsigned char sendByte);
int recvSlaveAck(unsigned char& recvByte);
int recvSlaveData(SymbolString& result);
};
#endif // EBUSLOOP_H_