source: Sophya/trunk/AddOn/TAcq/brpaqu.h@ 4016

Last change on this file since 4016 was 4016, checked in by ansari, 14 years ago

Ajout de commentaires d'autodocumentation Doxygen, Reza 12/08/2011

File size: 11.4 KB
RevLine 
[3537]1#ifndef BRPAQU_H_SEEN
2#define BRPAQU_H_SEEN
3
4/* ----------------------------------------
5 Projet BAORadio --- LAL
6 Juin 2008 , M.Taurigna , R. Ansari
7------------------------------------------- */
8
[4016]9/*!
10 \defgroup TAcq TAcq module
11
12 Class and functions for radio signal acquisition and processing
13 for the BAORadio/CRT (21 cm Cosmology).
14
15 (C) LAL-CNRS/IN2P3, Univ. Paris Sud
16 (C) Irfu/SPP-CEA
17 2008-2011
18
19 This module uses the SOPHYA class library (http://www.sophya.org)
20*/
21
22
[3537]23#include <stdio.h>
24#include <iostream>
[3671]25#include <exception>
[3537]26#include <string>
27#include "brtypes.h"
28
[3592]29
[3537]30using namespace std;
31
[3671]32// ---------------------------------------------------------
33// ----- Classe d'exception pour Acquisition BAORadio ------
[4016]34/*!
35 \class BAORadioException
36 \ingroup TAcq
37
38 \brief Base exception class for 21 cm acquisition programs.
39*/
40
[3671]41#define BREX_MAXMSGLEN 160
42
43class BAORadioException : public std::exception {
44 public:
45 explicit BAORadioException(const char * m) throw() ;
46 explicit BAORadioException(const string& m) throw() ;
47 virtual ~BAORadioException() throw() ;
48 //! Implementation of std::exception what() method, returning the exception message
49 virtual const char* what() const throw();
50 virtual string const Msg() const ;
51 private:
52 char msg_[BREX_MAXMSGLEN];
53};
54
55
56
[3623]57// ------------------------------------------------
58// ----- Classe TwoByteComplex ------
[3592]59// On definit une classe TwoByteComplex() pour manipuler une paire de byte
60// representant partie relle et imaginaire d'un nombre complexe
61// Remarque Byte = unsigned char
62// Remarque SByte = char = signed char
[4016]63/*!
64 \class TwoByteComplex
65 \ingroup TAcq
66
67 \brief Simple class to represent complex numbers formed from two 1 byte signed integers.
68*/
[3592]69class TwoByteComplex {
70 public:
71 explicit TwoByteComplex() { val_[0] = val_[1] = 0; }
72 // explicit TwoByteComplex(TwoByteComplex const & a) { val_[0] = a.val_[0]; val_[1] = 0; }
73 explicit TwoByteComplex(Byte re, Byte im) { val_[0] = re; val_[1] = im; }
74 explicit TwoByteComplex(SByte re, SByte im) { val_[0] = re; val_[1] = im; }
75 explicit TwoByteComplex(int re, int im) { val_[0] = re; val_[1] = im; }
76 explicit TwoByteComplex(float re, float im) { val_[0] = re; val_[1] = im; }
77 explicit TwoByteComplex(double re, double im) { val_[0] = re; val_[1] = im; }
78
[3659]79 inline SByte& realB() { return val_[0]; }
80 inline SByte& imagB() { return val_[1]; }
[3592]81
[3659]82 inline int realI() { return (int)(val_)[0]; }
83 inline int imagI() { return (int)(val_)[1]; }
[3592]84
[3659]85 inline double realD() { return (double)(val_)[0]; }
[3671]86 inline double imagD() { return (double)(val_)[1]; }
[3592]87
[3774]88 inline float module2F() { return ((float)(val_)[0]*(float)(val_)[0]+(float)(val_)[1]*(float)(val_)[1]); }
89 inline double module2D() { return ((double)(val_)[0]*(double)(val_)[0]+(double)(val_)[1]*(double)(val_)[1]); }
90
[3659]91 SByte val_[2];
[3592]92};
93
[3671]94// --------------------------------------------------------
95// ----- Classe BRPaquet , constante et enum associe ------
96// Representation, manipulation des paquets/frames
97// envoyes par les cartes ADC
98// --------------------------------------------------------
[3623]99
100// OFFSET : au cas ou le firmware reception ajoute des mots avant le header
[3592]101#define OFFSET 0
[3537]102// Taille entete/trailer en octets
103#define BRHDRSIZE 24
104// Actuellement le trailer est vire ...
[3592]105// Reza, 28 Jan 2009 le trailer fait 16 octets
106#define BRTRLSIZE 16
107/* REZA passe a 16 octets #define BRTRLSIZE 40 */
108//Offset Mode Acq
109#define BRMODACQOFF 20 /*RezaMOD #define BRMODACQOFF 24 */
110// Offset ChanId
111#define BRCHANIDOFF 20 /*RezaMOD #define BRCHANIDOFF 24 */
[3537]112// Offset du time-tag
[3592]113#define BRTMTAGOFF 12 /*RezaMOD #define BRTMTAGOFF 16 */
114// offset FrameCounter
115#define BRFRCPTOFF 16 /*RezaMOD#define BRFRCPTOFF 20 */
116// offset Paquet Id
117#define BRPKTIDOFF 20 /*RezaMOD #define BRPKTIDOFF 24 */
118// offset paquet lenght = FrameDataLength
119#define BRPKTLENOFF 8 /*RezaMOD #define BRPKTLENOFF 12 */
120// offset position chariot ???
121//#define BRPCOFF 16
[3537]122
[3671]123enum ChannelID { None=0, Ch1, Ch2, Ch1_2, Ch3, Ch4, Ch3_4 };
124enum ModeAcq { RawData=1, FFT };
[3592]125
126// Definition des actions sur la conversion de format (swap...) des donnees arrivant
127enum BRDataFmtConv {
[3671]128 BR_DoNothing, BR_Copy, BR_SwapAll, BR_Swap32, BR_CopyHDR, BR_SwapHDR,
129 BR_FFTOneChan, BR_FFTTwoChan,
130 BR_FFTOneChanSwapAll, BR_FFTTwoChanSwapAll,
131 BR_FFTOneChanSwap32, BR_FFTTwoChanSwap32,
[3592]132};
133
[3671]134// Definition des action pour recopie de paquet avec reduction de taille de paquet
135// Copie complete (--> egalite de taille, 1,2 canaux, K0 -> Keep first two bytes (Continu/Nyquist)
136enum BRPaqReducAction {
137 BR_CopyRA, BR_OneChanReduc, BR_TwoChanReduc, BR_OneChanReducK0, BR_TwoChanReducK0
138};
139
140//---- Classe BRPaquet
[3537]141// Structure correspondant a HEADER-DATA-TRAILER
142class BRPaquet {
143 public:
[3623]144// Cree d'un objet BRPaquet avec copie/swap depuis src -> dst (si src != NULL)
[3671]145 BRPaquet(Byte* src, Byte* dst, int paqsz, BRDataFmtConv fgconv=BR_Copy);
[3658]146 // Cree d'un objet BRPaquet de taille paqsz sur la zone dst
[3671]147 BRPaquet(Byte* srcdst, int paqsz);
[3694]148 BRPaquet(int paqsz=16424); // Set aussi de constructeur par defaut
[3683]149 BRPaquet(BRPaquet const& paq);
[3671]150
[3658]151 // ~BRPaquet();
[3683]152 inline void Set(Byte* dst) { dst_=dst; return; }
153 inline void Set(Byte* dst, int paqsz) { dst_=dst; sz_=paqsz; return; }
[3537]154
[3671]155 // Pour la copie/reduction de taille de paquet
156 void CopyFrom(BRPaquet& pq, BRPaqReducAction ract=BR_CopyRA, int offset=0);
157
[3537]158 // Acces diverses tailles
159 inline int PaquetSize() { return sz_; }
160 inline int DataSize() { return sz_-(BRHDRSIZE+BRTRLSIZE); }
161 inline int HeaderSize() { return BRHDRSIZE; }
162 inline int TrailerSize() { return BRTRLSIZE; }
163
164 // Acces differentes zone memoire
[3623]165 inline Byte* Begin() { return dst_+OFFSET; }
[3592]166 inline Byte* Data1() { return dst_+BRHDRSIZE+OFFSET; }
167 inline Byte* Data2() { return dst_+BRHDRSIZE+(DataSize()/2)+OFFSET; }
168 inline Byte* Header() { return dst_+OFFSET; }
169 inline Byte* Trailer() { return (dst_+sz_-BRTRLSIZE+OFFSET); }
[3659]170
171 // Acces aux differentes zone de donnees en signed byte (-127 ... 127), donnees FFT
172 inline SByte* BeginS() { return (SByte*)(dst_+OFFSET); }
173 inline SByte* Data1S() { return (SByte*)(dst_+BRHDRSIZE+OFFSET); }
174 inline SByte* Data2S() { return (SByte*)(dst_+BRHDRSIZE+(DataSize()/2)+OFFSET); }
175
176 // Acces aux differentes zone de donnees en TwoByteComplex pour donnees FFT
177 inline int DataSizeC() { return (sz_-(BRHDRSIZE+BRTRLSIZE))/2; }
178 inline TwoByteComplex* BeginC() { return (TwoByteComplex*)(dst_+OFFSET); }
179 inline TwoByteComplex* Data1C() { return (TwoByteComplex*)(dst_+BRHDRSIZE+OFFSET); }
180 inline TwoByteComplex* Data2C() { return (TwoByteComplex*)(dst_+BRHDRSIZE+(DataSize()/2)+OFFSET); }
181
[3537]182 // Valeurs differentes zones HDR/TRL
[3592]183 inline UInt32 HDRMarker() {return *((UInt32*)(dst_+OFFSET));}
[3623]184 inline UInt32 HDRMarker2() {return *((UInt32*)(dst_+OFFSET+1));}
185 inline UInt64 HDRMarker64() {return *((UInt64*)(dst_+OFFSET));}
186
[3592]187 inline UInt32 TRLMarker() {return *((UInt32*)(dst_+(sz_-BRTRLSIZE+OFFSET)));}
[3623]188 inline UInt32 TRLMarker2() {return *((UInt32*)(dst_+(sz_-BRTRLSIZE+OFFSET+1)));}
189 inline UInt64 TRLMarker64() {return *((UInt64*)(dst_+(sz_-BRTRLSIZE+OFFSET)));}
190
191// Informations diverses sur le paquet/mode d'acquisition
[3592]192 inline UInt16 ModeAcq() {return *((UInt16*)(dst_+(BRMODACQOFF+OFFSET)));}
193 inline UInt16 ChanId() {return (( *((UInt16*)(dst_+(BRCHANIDOFF+OFFSET))) & 0x1800)>> 12) ;}
194 inline UInt16 ChipId() {return (( *((UInt16*)(dst_+(BRCHANIDOFF+OFFSET))) & 0xC00)>> 10) ;}
[3537]195
[3623]196 inline UInt32 FrameCounter() {return ((*((UInt32*)(dst_+(BRFRCPTOFF+OFFSET))) &0xFFFF0000) >> 16);}
[3592]197 inline UInt32 TimeTag1() {return *((UInt32*)(dst_+(BRTMTAGOFF+OFFSET)));}
198 inline UInt32 TimeTag2() {return (*((UInt32*)(dst_+(BRFRCPTOFF+OFFSET))) &0xFFFF);}
[3635]199 inline UInt64 TimeTag() {return (*((UInt64*)(dst_+(BRTMTAGOFF+OFFSET))) &0x0000FFFFFFFFFFFFULL);}
[3592]200
201 inline UInt32 PaqId() {return *((UInt32*)(dst_+(BRPKTIDOFF+OFFSET)));}
202 inline UInt16 PaqLen() {return *((UInt16*)(dst_+(BRPKTLENOFF+OFFSET)));}
203
[3623]204 UInt16 ChannelID();
205 UInt16 ModeAcquisition();
[3592]206
207 // inline unsigned short PositionChariot() {return *((unsigned short*)(dst_+BRPCOFF+OFFSET));}
[3623]208 // Fonctions utiles pour remplir un objet BRPaquet
209 void SetHDRMarker64(UInt64 htag);
210 void SetTRLMarker64(UInt64 ttag);
211 void SetFrameCounter(UInt32 fc);
212 void SetTimeTag(UInt64 timtag);
213 inline void SetPaqLen(UInt16 len) { *((UInt16*)(dst_+(BRPKTLENOFF+OFFSET))) = len; }
[3592]214
[3537]215 // pour faire un print de la structure
[3623]216 ostream& Print(ostream & os, int nelt=8, bool prht=true);
217 inline ostream& Print(int nelt=8, bool prht=true)
218 { return Print(cout, nelt, prht); }
[3537]219
[3592]220 // fonction appelee par le constructeur pour reordonner les donnees FFT
[3671]221 // --- Remise en ordre avec swap complet sur 8 bytes
222 static void ReorderFFTDataSwapAll(SByte* src, SByte* dst, int sz);
223 // --- Remise en ordre avec echanges des mots de 4 bytes
224 static void ReorderFFTDataSwap32(SByte* src, SByte* dst, int sz);
225 // --- Remise en ordre seulement
[3659]226 static void ReorderFFTData(SByte* src, SByte* dst, int sz);
[3671]227 static const char* FmtConvToString(BRDataFmtConv fgconv);
[3674]228 static const char* ReducActionToString(BRPaqReducAction rac);
229
[3592]230// protected:
[3537]231 // donnees membres
232 int sz_; //taille du paquet
233 Byte* dst_;
[3658]234
[3537]235};
236
[3592]237// --------------------------------------------------------------------------
238// Classe pour effectuer des verifications d'integrite sur les paquets/frames
239// --------------------------------------------------------------------------
240
241class BRPaqChecker {
242public:
[3659]243 // if cktrl==true, check header AND trailer, ==false check header only
[3640]244 BRPaqChecker(bool cktrl=true, int maxprt=0);
[3683]245 BRPaqChecker(BRPaqChecker const& pck);
246
[3592]247 ~BRPaqChecker();
[3623]248
[3683]249 inline bool SetCheckTrailerFlag(bool cktrl=true) { cktrl_=cktrl; return cktrl_; }
250 inline int SetMaxPrint(int maxprt=0) { maxprt=maxprt_; return maxprt_; }
251
[3623]252 UInt64 DefineHDRTag(UInt32 hdr1=0x76543210, UInt32 hdr2=0xFEDCBA98);
253 UInt64 DefineTRLTag(UInt32 trl1=0x55555555, UInt32 trl2=0xAAAAAAAA);
254
255 inline UInt64 HDRTag() { return hdrtag_; }
256 inline UInt64 TRLTag() { return trltag_; }
257
[3592]258 // Verifie le paquet, renvoie true si OK
[3659]259 bool Check(BRPaquet& paq, UInt64& numframe);
260 inline bool Check(BRPaquet& paq) { UInt64 nf; return Check(paq, nf); }
261
[3592]262 // Imprime le compte de paquets ...
[3640]263 ostream & Print(ostream& os) const;
264 inline ostream & Print() const { return Print(cout); }
[3671]265 // renvoie le resume de la statistique paquets sous forme de chaine
266 string Summary(bool detail=false) const;
[3592]267
[3659]268 // Acces aux differents compteurs
269 inline UInt64 NbPaqTotal() { return totnframes; }
270 inline UInt64 NbPaqOK() { return nframeok; }
271 inline UInt64 NbPaqLost() { return lostframes; }
272 inline UInt64 NbGaps() { return cnt_saut; }
273 inline UInt64 LastFrameNum() { return lastframenum; }
[3623]274
[3659]275protected:
276 UInt64 totnframes; // Nombre totale de frames/paquets traites
[3683]277 UInt64 nframeok; // Nombre totale de frames/paquets avec HDR/TRL OK
[3659]278 UInt64 lostframes; // Nombre totale de frames/paquets perdus
279 UInt16 frclst; // derniere valeur du frame-counter
280 UInt64 lastframenum; // Dernier numero de frame(=frame-counter, sans modulo 65535)
281
[3640]282 bool cktrl_; // Verifie aussi le trailer si true
[3659]283 UInt64 cnt_saut; // Nb de fois ou DeltaFrameCounter>1
284 UInt32 maxprt_; // Nb maxi de print paquets perdus / probleme
[3640]285
[3623]286 UInt64 hdrtag_;
287 UInt64 trltag_;
[3592]288};
289
[3659]290// Definition de l'operator << overloading - Appel de Print()
[3640]291inline ostream& operator << (ostream& s, BRPaqChecker const & chk)
292 { return chk.Print(s); }
293
[3537]294#endif
[3592]295
296
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