1 |
mocchiut |
1.1 |
/** @file |
2 |
|
|
* $Source: /repository/PamOffLineSW/techmodel/TmtcReader.cpp,v $ |
3 |
|
|
* $Id: TmtcReader.cpp,v 1.7 2008-03-06 18:33:36 messineo Exp $ |
4 |
|
|
* $Author: messineo $ |
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 |
|
|
extern "C" { |
12 |
|
|
#include "CRC.h" |
13 |
|
|
} |
14 |
|
|
#include "ReaderAlgorithms.h" |
15 |
|
|
using namespace pamela::techmodel; |
16 |
|
|
|
17 |
|
|
|
18 |
|
|
/** |
19 |
|
|
* Constructor. |
20 |
|
|
*/ |
21 |
|
|
TmtcReader::TmtcReader(void): |
22 |
|
|
TechmodelAlgorithm(PacketType::Tmtc, "TechmodelTmtcReader") { |
23 |
|
|
Tmtc = new TmtcEvent(); |
24 |
|
|
} |
25 |
|
|
|
26 |
|
|
/** |
27 |
|
|
* Get a string with the version info of the algorithm. |
28 |
|
|
*/ |
29 |
|
|
std::string TmtcReader::GetVersionInfo(void) const { |
30 |
|
|
return |
31 |
|
|
"$Header: /repository/PamOffLineSW/techmodel/TmtcReader.cpp,v 1.7 2008-03-06 18:33:36 messineo Exp $\n"; |
32 |
|
|
} |
33 |
|
|
|
34 |
|
|
/** |
35 |
|
|
* Initialize the algorithm with a special run. This will initialize the |
36 |
|
|
* event reader routines for all packet types. |
37 |
|
|
*/ |
38 |
|
|
void TmtcReader::Init(PamelaRun *run) { |
39 |
|
|
run->WriteSubPacket(this, &Tmtc, Tmtc->Class()); |
40 |
|
|
} |
41 |
|
|
|
42 |
|
|
/** |
43 |
|
|
* Unpack the Tmtc event |
44 |
|
|
*/ |
45 |
|
|
void TmtcReader::PKT_RunEvent(char* mysubData, long int length) throw (WrongCRCException_PKTUsed){ |
46 |
|
|
|
47 |
|
|
stringstream oss; |
48 |
|
|
string msg; |
49 |
|
|
int k; |
50 |
|
|
/* The ' k ' indexs the number of recs. |
51 |
|
|
* It is needed to be indipendent from ' i ' because in case of CRC error the single record is skipped and ' i ' increase by one, but correct records to be stored are still ' i '. |
52 |
|
|
*/ |
53 |
|
|
k = 0; |
54 |
|
|
|
55 |
|
|
char subData[TMTC_SUB_LENGTH]={0}; |
56 |
|
|
char CRCbuff[TMTC_SUBCRC_LENGTH]={0}; |
57 |
|
|
// char eventCRC[TMTC_CRC_LENGTH]={0}; |
58 |
|
|
|
59 |
|
|
int numRecords = (length-TMTC_CRC_LENGTH)/(TMTC_SUB_LENGTH + TMTC_SUBCRC_LENGTH); //subtract the last two bytes because are the final CRC |
60 |
|
|
long int start=0; |
61 |
|
|
|
62 |
|
|
TmtcRecord* rec; |
63 |
|
|
Tmtc->Records->Clear(); |
64 |
|
|
TClonesArray &recs = *(Tmtc->Records); |
65 |
|
|
|
66 |
|
|
UINT16 partialCRC = 0; //partial CRC updated as mcmd packet is read (to compare with the last two bytes of this event) |
67 |
|
|
UINT16 readCRC = 0; //partial CRC updated as mcmd packet is read (to compare with the last two bytes of this event) |
68 |
|
|
|
69 |
|
|
for(int i=0; i < numRecords; i++) |
70 |
|
|
{ |
71 |
|
|
start=(TMTC_SUB_LENGTH+TMTC_SUBCRC_LENGTH)*i; |
72 |
|
|
for(int m=0; m<TMTC_SUB_LENGTH; m++){ |
73 |
|
|
subData[m]=mysubData[m + (TMTC_SUB_LENGTH+TMTC_SUBCRC_LENGTH)*i ]; |
74 |
|
|
} |
75 |
|
|
|
76 |
|
|
CRCbuff[0]=mysubData[TMTC_SUB_LENGTH*i]; |
77 |
|
|
|
78 |
|
|
partialCRC = CM_Compute_CRC16(partialCRC, (UINT8*)&subData, TMTC_SUB_LENGTH); |
79 |
|
|
partialCRC = CM_Compute_CRC16(partialCRC, (UINT8*)&CRCbuff, TMTC_SUBCRC_LENGTH); |
80 |
|
|
|
81 |
|
|
//This == CRCBuff is not really parametric take care if have to change the static lengths |
82 |
|
|
if((UINT8)(CM_Compute_CRC16(0, (UINT8*)&subData, TMTC_SUB_LENGTH)) == (UINT8)CRCbuff[0]) |
83 |
|
|
{ |
84 |
|
|
rec = new(recs[k++]) TmtcRecord(); //add a new TmtcRecord |
85 |
|
|
rec->TM_RECORD_OBT = (((UINT32)subData[0]<<24)&0xFF000000) + (((UINT32)subData[1]<<16)&0x00FF0000) + (((UINT32)subData[2]<<8)&0x0000FF00) + (((UINT32)subData[3])&0x000000FF); |
86 |
|
|
rec->TM_DIAG_AND_BILEVEL_ACQ = (((UINT16)subData[4]<<8)&0x0000FF00) + (((UINT16)subData[5])&0x000000FF); |
87 |
|
|
|
88 |
|
|
for(int j = 0; j < 16; j++) { |
89 |
|
|
rec->TM_TH_ANA[j] = ((((UINT16)subData[6 + 2*j]<<8)&0xFF00) + (((UINT16)subData[7 + 2*j])&0x00FF)); //20 is the size of TM_DEA_ANA(16) + OBT(4) |
90 |
|
|
} |
91 |
|
|
|
92 |
|
|
for(int j = 0; j < 6; j++) { |
93 |
|
|
rec->TM_DEA_ANA[j] = subData[38+j]; |
94 |
|
|
} |
95 |
|
|
} |
96 |
|
|
else |
97 |
|
|
{ |
98 |
|
|
oss.str(""); |
99 |
|
|
oss << "TMTC: Wrong CRC on Subpacket "<< i <<" int TMTC Packet starting at position " << start; |
100 |
|
|
msg=oss.str(); |
101 |
|
|
PamOffLineSW::mainLogUtil->logAll(msg); |
102 |
|
|
} |
103 |
|
|
} |
104 |
|
|
// readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF); |
105 |
|
|
readCRC = (((UINT16)(mysubData[length - 2]<<8))&0xFF00) + (((UINT16)mysubData[length - 1])&0x00FF); |
106 |
|
|
|
107 |
|
|
|
108 |
|
|
// if(partialCRC != readCRC) throw WrongCRCException(" Wrong Global CRC for TMTC Packet "); |
109 |
|
|
if (partialCRC != readCRC) |
110 |
|
|
{ |
111 |
|
|
oss.str(""); |
112 |
|
|
oss<<"Wrong CRC for TMTC Packet: "<<" CRC COMPUTED= "<< partialCRC<<" CRC READ= "<< readCRC; |
113 |
|
|
msg=oss.str(); |
114 |
|
|
PamOffLineSW::mainLogUtil->logWarning(msg); |
115 |
|
|
throw WrongCRCException_PKTUsed(" Wrong CRC for TMTC Packet. "); |
116 |
|
|
} |
117 |
|
|
} |
118 |
|
|
|
119 |
|
|
|
120 |
|
|
|
121 |
|
|
|