PamOffLineSW/techmodel/TmtcReader.cpp

/** @file
 * $Source: /repository/PamOffLineSW/techmodel/TmtcReader.cpp,v $
 * $Id: TmtcReader.cpp,v 1.7 2008-03-06 18:33:36 messineo Exp $
 * $Author: messineo $
 * 
 * Implementation of the TmtcReader class.
* ToBeDone:
* Control the CRC for the entire data Packet not just for single records
 */

extern "C" {
        #include "CRC.h"
}
#include "ReaderAlgorithms.h"
using namespace pamela::techmodel;


/**
 * Constructor. 
 */
TmtcReader::TmtcReader(void): 
  TechmodelAlgorithm(PacketType::Tmtc, "TechmodelTmtcReader") { 
  Tmtc = new TmtcEvent();
}

/**
 * Get a string with the version info of the algorithm.
 */
std::string TmtcReader::GetVersionInfo(void) const {
  return 
    "$Header: /repository/PamOffLineSW/techmodel/TmtcReader.cpp,v 1.7 2008-03-06 18:33:36 messineo Exp $\n";
}

/**
 * Initialize the algorithm with a special run. This will initialize the
 * event reader routines for all packet types.
 */
void TmtcReader::Init(PamelaRun *run) {
  run->WriteSubPacket(this, &Tmtc, Tmtc->Class());
}

/**
 * Unpack the Tmtc event
 */
void TmtcReader::PKT_RunEvent(char* mysubData, long int length) throw (WrongCRCException_PKTUsed){
   
    stringstream oss;
        string msg;     
        int  k;
    /* The ' k ' indexs the number of recs. 
     * 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 '.
    */
    k = 0;

    char subData[TMTC_SUB_LENGTH]={0};
    char CRCbuff[TMTC_SUBCRC_LENGTH]={0};
 //   char eventCRC[TMTC_CRC_LENGTH]={0};

    int numRecords = (length-TMTC_CRC_LENGTH)/(TMTC_SUB_LENGTH + TMTC_SUBCRC_LENGTH); //subtract the last two bytes because are the final CRC
    long int start=0;
    
    TmtcRecord* rec;    
    Tmtc->Records->Clear();
    TClonesArray &recs = *(Tmtc->Records);
    
    UINT16    partialCRC = 0; //partial CRC updated as mcmd packet is read (to compare with the last two bytes of this event)
    UINT16    readCRC = 0;    //partial CRC updated as mcmd packet is read (to compare with the last two bytes of this event)
    
    for(int i=0; i < numRecords; i++) 
    {
        start=(TMTC_SUB_LENGTH+TMTC_SUBCRC_LENGTH)*i;
                for(int m=0; m<TMTC_SUB_LENGTH; m++){
                        subData[m]=mysubData[m + (TMTC_SUB_LENGTH+TMTC_SUBCRC_LENGTH)*i ];
                }
                
                CRCbuff[0]=mysubData[TMTC_SUB_LENGTH*i];

        partialCRC = CM_Compute_CRC16(partialCRC, (UINT8*)&subData, TMTC_SUB_LENGTH);
        partialCRC = CM_Compute_CRC16(partialCRC, (UINT8*)&CRCbuff, TMTC_SUBCRC_LENGTH);

        //This == CRCBuff is not really parametric take care if have to change the static lengths
        if((UINT8)(CM_Compute_CRC16(0, (UINT8*)&subData, TMTC_SUB_LENGTH)) == (UINT8)CRCbuff[0])
        {
            rec = new(recs[k++]) TmtcRecord(); //add a new TmtcRecord
            rec->TM_RECORD_OBT            = (((UINT32)subData[0]<<24)&0xFF000000) + (((UINT32)subData[1]<<16)&0x00FF0000) +  (((UINT32)subData[2]<<8)&0x0000FF00) + (((UINT32)subData[3])&0x000000FF);
            rec->TM_DIAG_AND_BILEVEL_ACQ  = (((UINT16)subData[4]<<8)&0x0000FF00) + (((UINT16)subData[5])&0x000000FF);
            
            for(int j = 0; j < 16; j++) {
                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)
            }
            
            for(int j = 0; j < 6; j++) {
                rec->TM_DEA_ANA[j]   = subData[38+j];
            }
        } 
        else 
        {
                oss.str("");
                oss << "TMTC: Wrong CRC on Subpacket "<< i <<" int TMTC Packet starting at position " << start;         
                msg=oss.str();
                PamOffLineSW::mainLogUtil->logAll(msg); 
        }
    }    
//    readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF);
    readCRC = (((UINT16)(mysubData[length - 2]<<8))&0xFF00) + (((UINT16)mysubData[length - 1])&0x00FF);  
        
    
   // if(partialCRC != readCRC) throw WrongCRCException(" Wrong Global CRC for TMTC Packet ");
    if (partialCRC != readCRC)
    {
        oss.str("");
        oss<<"Wrong CRC for TMTC Packet: "<<" CRC COMPUTED= "<< partialCRC<<" CRC READ=  "<< readCRC;
        msg=oss.str();
        PamOffLineSW::mainLogUtil->logWarning(msg);     
        throw WrongCRCException_PKTUsed(" Wrong CRC for TMTC Packet. ");
    }
}


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 + 2j]<<8)&0xFF00) + (((UINT16)subData[7 + 2j])&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
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