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/*------------------------------------------------------------------------------
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-- This file is a part of the Uprobe Software
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-- Copyright (C) 2014, Plasma Physics Laboratory - CNRS
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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 2 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,
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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 this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------*/
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/*-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@member.fsf.org
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-- Author : Kaveh Mohamadabadi
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-- Mail : kaveh.mohamadabadi@lpp.polytechnique.fr
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--------------------------------------------------------------------------------*/
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#ifndef UPROBEPROTOCOL_H
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#define UPROBEPROTOCOL_H
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#include <QObject>
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#include <QThread>
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#include <QMutex>
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#include <QSemaphore>
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#include <ucomport.h>
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#define UProbeProtocolMaxPacketSize 512
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#define bufferSize (((UProbeProtocolMaxPacketSize+7)+6)*2+32)
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/*
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===========================================================================================
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===========================================================================================
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██╗ ██╗██████╗ ██████╗ ██████╗ ████████╗ ██████╗ ██████╗ ██████╗ ██╗
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██║ ██║██╔══██╗██╔══██╗██╔═══██╗╚══██╔══╝██╔═══██╗██╔════╝██╔═══██╗██║
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██║ ██║██████╔╝██████╔╝██║ ██║ ██║ ██║ ██║██║ ██║ ██║██║
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██║ ██║██╔═══╝ ██╔══██╗██║ ██║ ██║ ██║ ██║██║ ██║ ██║██║
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╚██████╔╝██║ ██║ ██║╚██████╔╝ ██║ ╚██████╔╝╚██████╗╚██████╔╝███████╗
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╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ ╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚══════╝
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-------------------------------------------------------------------------------------------
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|| Sync (2Bytes) || Header(4 Bytes) || Payload Data (2 to 512 Bytes) || CRC(1 Byte) ||
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|| 0xA5 0xF0 || PCPT | (PSZ/2)-1 | SHAPE | ID || [...] || Uses SpaceWire CRC ||
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Shape:
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|msb lsb|
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| Channel count -1 [7:4] | Coding [3:2] | Channel resolution[1:0] -1 |
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Coding:
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0 Unsigned integer
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1 Signed integer (Two complement)
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2 Signed integer (sign bit)
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3 floating point
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===========================================================================================
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*/
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static const unsigned char SPW_CRCTable[] = {
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0x00, 0x91, 0xe3, 0x72, 0x07, 0x96, 0xe4, 0x75,
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0x0e, 0x9f, 0xed, 0x7c, 0x09, 0x98, 0xea, 0x7b,
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0x1c, 0x8d, 0xff, 0x6e, 0x1b, 0x8a, 0xf8, 0x69,
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0x12, 0x83, 0xf1, 0x60, 0x15, 0x84, 0xf6, 0x67,
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0x38, 0xa9, 0xdb, 0x4a, 0x3f, 0xae, 0xdc, 0x4d,
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0x36, 0xa7, 0xd5, 0x44, 0x31, 0xa0, 0xd2, 0x43,
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0x24, 0xb5, 0xc7, 0x56, 0x23, 0xb2, 0xc0, 0x51,
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0x2a, 0xbb, 0xc9, 0x58, 0x2d, 0xbc, 0xce, 0x5f,
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0x70, 0xe1, 0x93, 0x02, 0x77, 0xe6, 0x94, 0x05,
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0x7e, 0xef, 0x9d, 0x0c, 0x79, 0xe8, 0x9a, 0x0b,
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0x6c, 0xfd, 0x8f, 0x1e, 0x6b, 0xfa, 0x88, 0x19,
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0x62, 0xf3, 0x81, 0x10, 0x65, 0xf4, 0x86, 0x17,
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0x48, 0xd9, 0xab, 0x3a, 0x4f, 0xde, 0xac, 0x3d,
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0x46, 0xd7, 0xa5, 0x34, 0x41, 0xd0, 0xa2, 0x33,
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0x54, 0xc5, 0xb7, 0x26, 0x53, 0xc2, 0xb0, 0x21,
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0x5a, 0xcb, 0xb9, 0x28, 0x5d, 0xcc, 0xbe, 0x2f,
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0xe0, 0x71, 0x03, 0x92, 0xe7, 0x76, 0x04, 0x95,
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0xee, 0x7f, 0x0d, 0x9c, 0xe9, 0x78, 0x0a, 0x9b,
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0xfc, 0x6d, 0x1f, 0x8e, 0xfb, 0x6a, 0x18, 0x89,
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0xf2, 0x63, 0x11, 0x80, 0xf5, 0x64, 0x16, 0x87,
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0xd8, 0x49, 0x3b, 0xaa, 0xdf, 0x4e, 0x3c, 0xad,
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0xd6, 0x47, 0x35, 0xa4, 0xd1, 0x40, 0x32, 0xa3,
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0xc4, 0x55, 0x27, 0xb6, 0xc3, 0x52, 0x20, 0xb1,
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0xca, 0x5b, 0x29, 0xb8, 0xcd, 0x5c, 0x2e, 0xbf,
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0x90, 0x01, 0x73, 0xe2, 0x97, 0x06, 0x74, 0xe5,
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0x9e, 0x0f, 0x7d, 0xec, 0x99, 0x08, 0x7a, 0xeb,
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0x8c, 0x1d, 0x6f, 0xfe, 0x8b, 0x1a, 0x68, 0xf9,
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0x82, 0x13, 0x61, 0xf0, 0x85, 0x14, 0x66, 0xf7,
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0xa8, 0x39, 0x4b, 0xda, 0xaf, 0x3e, 0x4c, 0xdd,
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0xa6, 0x37, 0x45, 0xd4, 0xa1, 0x30, 0x42, 0xd3,
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0xb4, 0x25, 0x57, 0xc6, 0xb3, 0x22, 0x50, 0xc1,
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0xba, 0x2b, 0x59, 0xc8, 0xbd, 0x2c, 0x5e, 0xcf
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};
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inline unsigned char _spw_CRC_(unsigned char INCR, unsigned char INBYTE)
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{
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return SPW_CRCTable[INCR ^ INBYTE];
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}
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inline char spw_CRC(char* buffer, int size)
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{
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unsigned char CRC = 0;
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for(int i=0;i<size;i++)
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{
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CRC = _spw_CRC_(CRC,(unsigned char)buffer[i]);
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}
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return CRC;
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}
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class UProbeProtocol : public QThread , public UComPort
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{
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class UProbeProtocolPacket
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{
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public:
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typedef enum {UProbeUint=0,UProdeInt=1,UProbeSInt=2,UProbeFloat=3}PacketCoding;
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typedef enum {res1Byte=0,res2Bytes=1,res3Bytes=2,res4Bytes=3}PacketResolution;
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UProbeProtocolPacket()
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:packetNumber(0),packetSize(0),channelCount(0),
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coding(UProbeUint),resolution(res1Byte),ID(0),data(NULL),correct(false)
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{
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}
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int packetNumber;
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int packetSize;
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int channelCount;
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UProbeProtocolPacket::PacketCoding coding;
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UProbeProtocolPacket::PacketResolution resolution;
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int ID;
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char* data;
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bool correct;
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char receivedCRC;
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char localCRC;
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};
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Q_OBJECT
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public:
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explicit UProbeProtocol(QObject *parent = 0);
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~UProbeProtocol();
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void run();
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signals:
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void packetReady(UProbeProtocolPacket* currentPacket);
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public slots:
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void setPortName(const QString& name);
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void setSpeed(int speed);
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bool open();
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bool open(const QString& name,int speed);
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bool close();
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private:
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void getMoreData();
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bool FSM_SyncState();
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bool FSM_ExtractHeaderState();
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bool FSM_ExtractPayloadState();
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bool FSM_CheckCRCState();
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char* p_buffer;
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int p_datacount;
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int p_index;
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UProbeProtocolPacket* currentPacket;
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};
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#endif // UPROBEPROTOCOL_H
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