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dce3c25771
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2595 ebee16cc-31ac-478f-84a7-5cbb03baadba
123 lines
4.1 KiB
C++
123 lines
4.1 KiB
C++
/**
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******************************************************************************
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*
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* @file qssp.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 QSSP_H
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#define QSSP_H
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#include <stdint.h>
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#include "port.h"
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#include "common.h"
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/** LOCAL DEFINITIONS **/
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#define SSP_TX_IDLE 0 // not expecting a ACK packet (no current transmissions in progress)
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#define SSP_TX_WAITING 1 // waiting for a valid ACK to arrive
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#define SSP_TX_TIMEOUT 2 // failed to receive a valid ACK in the timeout period, after retrying.
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#define SSP_TX_ACKED 3 // valid ACK received before timeout period.
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#define SSP_TX_BUFOVERRUN 4 // amount of data to send execeds the transmission buffer sizeof
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#define SSP_TX_BUSY 5 // Attempted to start a transmission while a transmission was already in progress.
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//#define SSP_TX_FAIL - failure...
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#define SSP_RX_IDLE 0
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#define SSP_RX_RECEIVING 1
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#define SSP_RX_COMPLETE 2
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// types of packet that can be received
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#define SSP_RX_DATA 5
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#define SSP_RX_ACK 6
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#define SSP_RX_SYNCH 7
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typedef struct
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{
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uint8_t *pbuff;
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uint16_t length;
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uint16_t crc;
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uint8_t seqNo;
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} Packet_t;
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typedef struct {
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uint8_t *rxBuf; // Buffer used to store rcv data
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uint16_t rxBufSize; // rcv buffer size.
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uint8_t *txBuf; // Length of data in buffer
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uint16_t txBufSize; // CRC for data in Packet buff
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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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// function returns time in number of seconds that has elapsed from a given reference point
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} PortConfig_t;
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/** Public Data **/
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/** EXTERNAL FUNCTIONS **/
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class qssp
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{
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private:
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port * thisport;
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decodeState_ DecodeState_t;
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/** PRIVATE FUNCTIONS **/
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//static void sf_SendSynchPacket( Port_t *thisport );
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uint16_t sf_crc16( uint16_t crc, uint8_t data );
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void sf_write_byte(uint8_t c );
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void sf_SetSendTimeout();
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uint16_t sf_CheckTimeout();
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int16_t sf_DecodeState(uint8_t c );
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int16_t sf_ReceiveState(uint8_t c );
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void sf_SendPacket();
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void sf_SendAckPacket(uint8_t seqNumber);
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void sf_MakePacket( uint8_t *buf, const uint8_t * pdata, uint16_t length, uint8_t seqNo );
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int16_t sf_ReceivePacket();
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uint16_t ssp_SendDataBlock(uint8_t *data, uint16_t length );
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bool debug;
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public:
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/** PUBLIC FUNCTIONS **/
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virtual void pfCallBack( uint8_t *, uint16_t); // call back function that is called when a full packet has been received
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int16_t ssp_ReceiveProcess();
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int16_t ssp_SendProcess();
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uint16_t ssp_SendString(char *str );
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int16_t ssp_SendData( const uint8_t * data,const uint16_t length );
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void ssp_Init( const PortConfig_t* const info);
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int16_t ssp_ReceiveByte( );
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uint16_t ssp_Synchronise( );
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qssp(port * info,bool debug);
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};
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#endif // QSSP_H
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