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

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Revision 1.2 - (hide annotations) (download)
Sat Jul 17 20:03:38 2004 UTC (20 years, 5 months ago) by kusanagi
Branch: MAIN
Changes since 1.1: +27 -22 lines
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1 kusanagi 1.1 /** @file
2 kusanagi 1.2 * $Source: /home/cvsmanager/yoda/techmodel/TmtcReader.cpp,v $
3     * $Id: TmtcReader.cpp,v 1.1.1.1 2004/07/06 12:20:23 kusanagi Exp $
4     * $Author: kusanagi $
5 kusanagi 1.1 *
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    
12    
13    
14     #include <string>
15     #include <log4cpp/Category.hh>
16     extern "C" {
17     #include <sys/time.h>
18     #include "CRC.h"
19     }
20    
21     #include <fstream>
22     #include "stdio.h"
23     #include "ReaderAlgorithms.h"
24    
25     #include "event/tmtc/TmtcRecord.h"
26    
27     using namespace pamela;
28     using namespace pamela::techmodel;
29    
30     static log4cpp::Category& cat = log4cpp::Category::getInstance("pamela.techmodel.TmtcReader");
31    
32     /**
33     * Constructor.
34     */
35     TmtcReader::TmtcReader(void):
36     TechmodelAlgorithm(PacketType::Tmtc, "TechmodelTmtcReader") {
37     cat << log4cpp::Priority::DEBUG
38     << "Constructor "
39     << "\n " << log4cpp::CategoryStream::ENDLINE;
40     Tmtc = new TmtcEvent();
41     }
42    
43     /**
44     * Get a string with the version info of the algorithm.
45     */
46     std::string TmtcReader::GetVersionInfo(void) const {
47     return
48 kusanagi 1.2 "$Header: /home/cvsmanager/yoda/techmodel/TmtcReader.cpp,v 1.1.1.1 2004/07/06 12:20:23 kusanagi Exp $\n";
49 kusanagi 1.1 }
50    
51     /**
52     * Initialize the algorithm with a special run. This will initialize the
53     * event reader routines for all packet types.
54     */
55     void TmtcReader::Init(PamelaRun *run) {
56     SetInputStream(run);
57     run->WriteSubPacket(this, &Tmtc, Tmtc->Class());
58     }
59    
60     /**
61     * Unpack the Tmtc event from an input file.
62     */
63     void TmtcReader::RunEvent(int EventNumber, long int length) {
64    
65     /*
66     //Just to test crc
67     char tempbuff[length];
68     InputFile->read(tempbuff, sizeof(tempbuff));
69     UINT16 subCRC = 0;
70     for (int jj = 0; jj < length ; jj++){
71     subCRC = CM_Compute_CRC16(subCRC, (BYTE*)(tempbuff+jj), 1);
72     }
73     //Just to test crc
74     */
75    
76     int i, j;
77 kusanagi 1.2 char subData[TMTC_SUB_LENGTH];
78 kusanagi 1.1 char CRCbuff[TMTC_SUBCRC_LENGTH];
79     char eventCRC[TMTC_CRC_LENGTH];
80     int numRecords = (length-TMTC_CRC_LENGTH)/(TMTC_SUB_LENGTH + TMTC_SUBCRC_LENGTH); //subtract the last two bytes because are the final CRC
81     long int start;
82 kusanagi 1.2
83     TmtcRecord* rec;
84 kusanagi 1.1 Tmtc->Records->Clear();
85     TClonesArray &recs = *(Tmtc->Records);
86 kusanagi 1.2
87 kusanagi 1.1 UINT16 partialCRC = 0; //partial CRC updated as mcmd packet is read (to compare with the last two bytes of this event)
88     UINT16 readCRC = 0; //partial CRC updated as mcmd packet is read (to compare with the last two bytes of this event)
89    
90 kusanagi 1.2 /* char tempData[length-TMTC_CRC_LENGTH];
91     InputFile->read(tempData, sizeof(tempData));
92     partialCRC = CM_Compute_CRC16(0, (UINT8*)tempData, (length-TMTC_CRC_LENGTH));
93     */
94 kusanagi 1.1
95     for(i = 0; i < numRecords; i++) {
96     start = InputFile->tellg();
97 kusanagi 1.2 InputFile->read(subData, sizeof(subData));
98 kusanagi 1.1 InputFile->read(CRCbuff, sizeof(CRCbuff));
99    
100 kusanagi 1.2 /* for (int jj = 0; jj < TMTC_SUB_LENGTH ; jj++){
101     partialCRC = CM_Compute_CRC16(0, (UINT8*)tempData, (length-TMTC_CRC_LENGTH));
102     }
103     */
104    
105     partialCRC = CM_Compute_CRC16(partialCRC, (UINT8*)&subData, TMTC_SUB_LENGTH);
106 kusanagi 1.1 partialCRC = CM_Compute_CRC16(partialCRC, (UINT8*)&CRCbuff, TMTC_SUBCRC_LENGTH);
107    
108     //This == CRCBuff is not really parametric take care if have to change the static lengths
109 kusanagi 1.2 if((UINT8)(CM_Compute_CRC16(0, (UINT8*)&subData, TMTC_SUB_LENGTH)) == (UINT8)CRCbuff[0]){
110     rec = new(recs[i]) TmtcRecord(); //add a new TmtcRecord
111     rec->TM_RECORD_OBT = (((UINT32)subData[0]<<24)&0xFF000000) + (((UINT32)subData[1]<<16)&0x00FF0000) + (((UINT32)subData[2]<<8)&0x0000FF00) + ((UINT32)subData[3])&0x000000FF;
112 kusanagi 1.1
113     for(j = 0; j < 16; j++) {
114 kusanagi 1.2 rec->TM_DEA_ANA[j] = (((UINT16)subData[4+j]<<8)&0xFF00) + (((UINT16)subData[5+j])&0x00FF);
115 kusanagi 1.1 rec->TM_DEA_ANA_P[j] = (float)(rec->TM_DEA_ANA[j]*0.02);
116    
117 kusanagi 1.2 rec->TM_TH_ANA[j] = subData[36+j]; //36 is the size of TM_DEA_ANA + OBT
118 kusanagi 1.1 rec->TM_TH_ANA_P[j] = convert_th(rec->TM_TH_ANA[j]);
119     }
120    
121 kusanagi 1.2 rec->TM_BIL_DIAG_ACQ = subData[53];
122     rec->TM_CC_DIAG_ACQ = (((UINT32)subData[54]<<24)&0xFF000000) + (((UINT32)subData[55]<<16)&0x00FF0000) + (((UINT32)subData[56]<<8)&0x0000FF00) + ((UINT32)subData[57])&0x000000FF;
123     //free(subData);
124 kusanagi 1.1 } else {
125     cat << log4cpp::Priority::ERROR
126     << "Wrong CRC on Subpacket int TMTC Packet starting at position " << start
127     << "\n " << log4cpp::CategoryStream::ENDLINE;
128     }
129     }
130     InputFile->read(eventCRC, sizeof(eventCRC));
131     readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF);
132     if(!(partialCRC == readCRC)) {
133     cat << log4cpp::Priority::ERROR
134     << "The test of calculated CRC with one wrote on file FAILED!!"
135     << "\n " << log4cpp::CategoryStream::ENDLINE;
136     }
137     }
138    
139    
140     float TmtcReader::convert_th(int TH) {
141     float a,q,deltax,deltay;
142     static int chiama_fun=0;
143     float gradi[22],grado=-1;
144     int adc[22]={4095, 4036,2976,2213,1662,1259,983,742,576,450,
145     354, 281,224,179,145, 117 ,95, 77, 64, 52,
146     43, 35};
147     int maxpos=-1,minpos=-1,i;
148    
149     chiama_fun++;
150     for (i=0;i<22;i++)
151     {
152     gradi[i]=-35+(i*5);
153     }
154     if (TH==4095)
155     {
156     grado=-35.;
157     }
158     else
159     {
160    
161     for (i=0;i<22;i++)
162     {
163     if (TH>=adc[i])
164     {
165     minpos=i;
166     maxpos=i-1;
167     break;
168     }
169     }
170     // grado=gradi[maxpos]-1./(adc[maxpos]-adc[minpos])*((float)TH-(float)adc[maxpos]) ;
171    
172     deltax=adc[maxpos]-adc[minpos];
173     deltay=gradi[maxpos]-gradi[minpos];
174     a=deltay/deltax;
175     q=gradi[maxpos]-a*adc[maxpos];
176     grado=a*TH+q;
177     }
178     return (grado);
179     }

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