1
0
mirror of https://bitbucket.org/librepilot/librepilot.git synced 2025-01-10 20:52:11 +01:00

76 lines
3.3 KiB
C++

/**
******************************************************************************
*
* @file port.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @addtogroup GCSPlugins GCS Plugins
* @{
* @addtogroup Uploader Serial and USB Uploader Plugin
* @{
* @brief The USB and Serial protocol uploader plugin
*****************************************************************************/
/*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PORT_H
#define PORT_H
#include <stdint.h>
#include <QtSerialPort/QSerialPort>
#include <QtSerialPort/QSerialPortInfo>
#include <QTime>
#include <QDebug>
#include "common.h"
class port {
public:
enum portstatus { open, closed, error };
virtual int16_t pfSerialRead(void); // function to read a character from the serial input stream
virtual void pfSerialWrite(uint8_t); // function to write a byte to be sent out the serial port
virtual uint32_t pfGetTime(void);
uint8_t retryCount; // how many times have we tried to transmit the 'send' packet
uint8_t maxRetryCount; // max. times to try to transmit the 'send' packet
uint16_t max_retry; // Maximum number of retrys for a single transmit.
int32_t timeoutLen; // how long to wait for each retry to succeed
uint32_t timeout; // current timeout. when 'time' reaches this point we have timed out
uint8_t txSeqNo; // current 'send' packet sequence number
uint16_t rxBufPos; // current buffer position in the receive packet
uint16_t rxBufLen; // number of 'data' bytes in the buffer
uint8_t rxSeqNo; // current 'receive' packet number
uint16_t rxBufSize; // size of the receive buffer.
uint16_t txBufSize; // size of the transmit buffer.
uint8_t *txBuf; // transmit buffer. REquired to store a copy of packet data in case a retry is needed.
uint8_t *rxBuf; // receive buffer. Used to store data as a packet is received.
uint16_t sendSynch; // flag to indicate that we should send a synchronize packet to the host
// this is required when switching from the application to the bootloader
// and vice-versa. This fixes the firwmare download timeout.
// when this flag is set to true, the next time we send a packet we will first // send a synchronize packet.
ReceiveState InputState;
decodeState_ DecodeState;
uint16_t SendState;
uint16_t crc;
uint32_t RxError;
uint32_t TxError;
uint16_t flags;
port(QString name);
virtual ~port();
portstatus status();
private:
portstatus mstatus;
QTime timer;
QSerialPort *sport;
};
#endif // PORT_H