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76 lines
3.3 KiB
C++
76 lines
3.3 KiB
C++
/**
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******************************************************************************
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*
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* @file port.h
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @addtogroup GCSPlugins GCS Plugins
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* @{
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* @addtogroup Uploader Serial and USB Uploader Plugin
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* @{
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* @brief The USB and Serial protocol uploader plugin
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*****************************************************************************/
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/*
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* This program 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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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PORT_H
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#define PORT_H
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#include <stdint.h>
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#include <QtSerialPort/QSerialPort>
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#include <QtSerialPort/QSerialPortInfo>
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#include <QTime>
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#include <QDebug>
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#include "common.h"
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class port {
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public:
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enum portstatus { open, closed, error };
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virtual int16_t pfSerialRead(void); // function to read a character from the serial input stream
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virtual void pfSerialWrite(uint8_t); // function to write a byte to be sent out the serial port
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virtual uint32_t pfGetTime(void);
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uint8_t retryCount; // how many times have we tried to transmit the 'send' packet
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uint8_t maxRetryCount; // max. times to try to transmit the 'send' packet
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uint16_t max_retry; // Maximum number of retrys for a single transmit.
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int32_t timeoutLen; // how long to wait for each retry to succeed
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uint32_t timeout; // current timeout. when 'time' reaches this point we have timed out
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uint8_t txSeqNo; // current 'send' packet sequence number
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uint16_t rxBufPos; // current buffer position in the receive packet
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uint16_t rxBufLen; // number of 'data' bytes in the buffer
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uint8_t rxSeqNo; // current 'receive' packet number
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uint16_t rxBufSize; // size of the receive buffer.
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uint16_t txBufSize; // size of the transmit buffer.
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uint8_t *txBuf; // transmit buffer. REquired to store a copy of packet data in case a retry is needed.
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uint8_t *rxBuf; // receive buffer. Used to store data as a packet is received.
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uint16_t sendSynch; // flag to indicate that we should send a synchronize packet to the host
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// this is required when switching from the application to the bootloader
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// and vice-versa. This fixes the firwmare download timeout.
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// when this flag is set to true, the next time we send a packet we will first // send a synchronize packet.
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ReceiveState InputState;
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decodeState_ DecodeState;
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uint16_t SendState;
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uint16_t crc;
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uint32_t RxError;
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uint32_t TxError;
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uint16_t flags;
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port(QString name);
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virtual ~port();
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portstatus status();
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private:
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portstatus mstatus;
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QTime timer;
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QSerialPort *sport;
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};
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#endif // PORT_H
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