/[PAMELA software]/yoda/techmodel/TmtcReader.cpp
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Contents of /yoda/techmodel/TmtcReader.cpp

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Revision 2.3 - (show annotations) (download)
Fri Dec 17 12:46:20 2004 UTC (19 years, 11 months ago) by kusanagi
Branch: MAIN
Changes since 2.2: +12 -13 lines
*** empty log message ***

1 /** @file
2 * $Source: /home/cvsmanager/yoda/techmodel/TmtcReader.cpp,v $
3 * $Id: TmtcReader.cpp,v 2.2 2004/12/09 08:48:41 kusanagi Exp $
4 * $Author: kusanagi $
5 *
6 * Implementation of the TmtcReader class.
7 * ToBeDone:
8 * Control the CRC for the entire data Packet not just for single records
9 */
10
11 #include <string>
12 #include <log4cxx/logger.h>
13 extern "C" {
14 #include <sys/time.h>
15 #include "CRC.h"
16 }
17
18 #include <fstream>
19 #include "stdio.h"
20 #include "ReaderAlgorithms.h"
21
22 #include "event/tmtc/TmtcRecord.h"
23
24 using namespace pamela;
25 using namespace pamela::techmodel;
26
27 static log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger(_T("pamela.techmodel.TmtcReader"));
28
29 /**
30 * Constructor.
31 */
32 TmtcReader::TmtcReader(void):
33 TechmodelAlgorithm(PacketType::Tmtc, "TechmodelTmtcReader") {
34 logger->debug(_T("Constructor"));
35 Tmtc = new TmtcEvent();
36 }
37
38 /**
39 * Get a string with the version info of the algorithm.
40 */
41 std::string TmtcReader::GetVersionInfo(void) const {
42 return
43 "$Header: /home/cvsmanager/yoda/techmodel/TmtcReader.cpp,v 2.2 2004/12/09 08:48:41 kusanagi Exp $\n";
44 }
45
46 /**
47 * Initialize the algorithm with a special run. This will initialize the
48 * event reader routines for all packet types.
49 */
50 void TmtcReader::Init(PamelaRun *run) {
51 SetInputStream(run);
52 run->WriteSubPacket(this, &Tmtc, Tmtc->Class());
53 }
54
55 /**
56 * Unpack the Tmtc event from an input file.
57 */
58 void TmtcReader::RunEvent(int EventNumber, long int length) throw (WrongCRCException){
59
60 /*
61 //Just to test crc
62 char tempbuff[length];
63 InputFile->read(tempbuff, sizeof(tempbuff));
64 UINT16 subCRC = 0;
65 for (int jj = 0; jj < length ; jj++){
66 subCRC = CM_Compute_CRC16(subCRC, (BYTE*)(tempbuff+jj), 1);
67 }
68 //Just to test crc
69 */
70
71 int i, j;
72 char subData[TMTC_SUB_LENGTH];
73 char CRCbuff[TMTC_SUBCRC_LENGTH];
74 char eventCRC[TMTC_CRC_LENGTH];
75 int numRecords = (length-TMTC_CRC_LENGTH)/(TMTC_SUB_LENGTH + TMTC_SUBCRC_LENGTH); //subtract the last two bytes because are the final CRC
76 long int start;
77
78 TmtcRecord* rec;
79 Tmtc->Records->Clear();
80 TClonesArray &recs = *(Tmtc->Records);
81
82 UINT16 partialCRC = 0; //partial CRC updated as mcmd packet is read (to compare with the last two bytes of this event)
83 UINT16 readCRC = 0; //partial CRC updated as mcmd packet is read (to compare with the last two bytes of this event)
84
85 /* char tempData[length-TMTC_CRC_LENGTH];
86 InputFile->read(tempData, sizeof(tempData));
87 partialCRC = CM_Compute_CRC16(0, (UINT8*)tempData, (length-TMTC_CRC_LENGTH));
88 */
89
90 for(i = 0; i < numRecords; i++) {
91 start = InputFile->tellg();
92 InputFile->read(subData, sizeof(subData));
93 InputFile->read(CRCbuff, sizeof(CRCbuff));
94
95 /* for (int jj = 0; jj < TMTC_SUB_LENGTH ; jj++){
96 partialCRC = CM_Compute_CRC16(0, (UINT8*)tempData, (length-TMTC_CRC_LENGTH));
97 }
98 */
99
100 partialCRC = CM_Compute_CRC16(partialCRC, (UINT8*)&subData, TMTC_SUB_LENGTH);
101 partialCRC = CM_Compute_CRC16(partialCRC, (UINT8*)&CRCbuff, TMTC_SUBCRC_LENGTH);
102
103 //This == CRCBuff is not really parametric take care if have to change the static lengths
104 if((UINT8)(CM_Compute_CRC16(0, (UINT8*)&subData, TMTC_SUB_LENGTH)) == (UINT8)CRCbuff[0]){
105 rec = new(recs[i]) TmtcRecord(); //add a new TmtcRecord
106 rec->TM_RECORD_OBT = (((UINT32)subData[0]<<24)&0xFF000000) + (((UINT32)subData[1]<<16)&0x00FF0000) + (((UINT32)subData[2]<<8)&0x0000FF00) + ((UINT32)subData[3])&0x000000FF;
107 rec->TM_DIAG_AND_BILEVEL_ACQ = (((UINT16)subData[4]<<8)&0x0000FF00) + ((UINT16)subData[5])&0x000000FF;
108 for(j = 0; j < 12; j++) {
109 rec->TM_TH_ANA[j] = ((((UINT16)subData[6+j]<<8)&0xFF00) + (((UINT16)subData[7+j])&0x00FF)); //20 is the size of TM_DEA_ANA(16) + OBT(4)
110 }
111
112 for(j = 0; j < 6; j++) {
113 rec->TM_DEA_ANA[j] = subData[8+j];
114 }
115
116 } else {
117 stringstream oss;
118 oss.str("");
119 oss << "Wrong CRC on Subpacket int TMTC Packet starting at position"
120 << start;
121 logger->warn(oss.str().c_str());
122 }
123 }
124 InputFile->read(eventCRC, sizeof(eventCRC));
125 readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF);
126 if(partialCRC != readCRC) throw WrongCRCException(" Wrong Global CRC for TMTC Packet ");
127 }
128
129 /*
130 float TmtcReader::convert_th(int TH) {
131 float a,q,deltax,deltay;
132 static int chiama_fun=0;
133 float gradi[22],grado=-1;
134 int adc[22]={4095, 4036,2976,2213,1662,1259,983,742,576,450,
135 354, 281,224,179,145, 117 ,95, 77, 64, 52,
136 43, 35};
137 int maxpos=-1,minpos=-1,i;
138
139 chiama_fun++;
140 for (i=0;i<22;i++)
141 {
142 gradi[i]=-35+(i*5);
143 }
144 if (TH==4095)
145 {
146 grado=-35.;
147 }
148 else
149 {
150
151 for (i=0;i<22;i++)
152 {
153 if (TH>=adc[i])
154 {
155 minpos=i;
156 maxpos=i-1;
157 break;
158 }
159 }
160 // grado=gradi[maxpos]-1./(adc[maxpos]-adc[minpos])*((float)TH-(float)adc[maxpos]) ;
161
162 deltax=adc[maxpos]-adc[minpos];
163 deltay=gradi[maxpos]-gradi[minpos];
164 a=deltay/deltax;
165 q=gradi[maxpos]-a*adc[maxpos];
166 grado=a*TH+q;
167 }
168 return (grado);
169 }
170 */

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