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@@
-1,319
+1,331
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1
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#include <tc_handler.h>
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1
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#include <tc_handler.h>
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2
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#include <fsw_params.h>
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2
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#include <fsw_params.h>
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3
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3
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4
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char *errorCCSDSMsg[8] = { "ILLEGAL_APID 0",
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4
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char *errorCCSDSMsg[8] = { "ILLEGAL_APID 0",
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"WRONG_LEN_PACKET 1",
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5
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"WRONG_LEN_PACKET 1",
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"INCOR_CHECKSUM 2",
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"INCOR_CHECKSUM 2",
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"ILL_TYPE 3",
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"ILL_TYPE 3",
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"ILL_SUBTYPE 4",
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"ILL_SUBTYPE 4",
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"WRONG_APP_DATA 5",
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"WRONG_APP_DATA 5",
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"WRONG_CMD_CODE 6",
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"WRONG_CMD_CODE 6",
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"CCSDS_TM_VALID 7"
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"CCSDS_TM_VALID 7"
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};
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};
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//**********************
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// GENERAL USE FUNCTIONS
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unsigned int Crc_opt( unsigned char D, unsigned int Chk)
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unsigned int Crc_opt( unsigned char D, unsigned int Chk)
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{
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{
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return(((Chk << 8) & 0xff00)^lookUpTableForCRC [(((Chk >> 8)^D) & 0x00ff)]);
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return(((Chk << 8) & 0xff00)^lookUpTableForCRC [(((Chk >> 8)^D) & 0x00ff)]);
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}
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}
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void InitLookUpTableForCRC()
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void InitLookUpTableForCRC()
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{
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{
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unsigned int i, tmp;
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unsigned int i, tmp;
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for (i=0; i<256; i++)
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for (i=0; i<256; i++)
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{
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{
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tmp = 0;
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tmp = 0;
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if((i & 1) != 0) tmp = tmp ^ 0x1021;
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if((i & 1) != 0) tmp = tmp ^ 0x1021;
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if((i & 2) != 0) tmp = tmp ^ 0x2042;
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if((i & 2) != 0) tmp = tmp ^ 0x2042;
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if((i & 4) != 0) tmp = tmp ^ 0x4084;
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if((i & 4) != 0) tmp = tmp ^ 0x4084;
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if((i & 8) != 0) tmp = tmp ^ 0x8108;
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if((i & 8) != 0) tmp = tmp ^ 0x8108;
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if((i & 16) != 0) tmp = tmp ^ 0x1231;
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if((i & 16) != 0) tmp = tmp ^ 0x1231;
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if((i & 32) != 0) tmp = tmp ^ 0x2462;
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if((i & 32) != 0) tmp = tmp ^ 0x2462;
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if((i & 64) != 0) tmp = tmp ^ 0x48c4;
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if((i & 64) != 0) tmp = tmp ^ 0x48c4;
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if((i & 128) != 0) tmp = tmp ^ 0x9188;
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if((i & 128) != 0) tmp = tmp ^ 0x9188;
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lookUpTableForCRC[i] = tmp;
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lookUpTableForCRC[i] = tmp;
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}
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}
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}
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}
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void GetCRCAsTwoBytes(unsigned char* data, unsigned char* crcAsTwoBytes, unsigned int sizeOfData)
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void GetCRCAsTwoBytes(unsigned char* data, unsigned char* crcAsTwoBytes, unsigned int sizeOfData)
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{
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{
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unsigned int Chk;
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unsigned int Chk;
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int j;
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int j;
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Chk = 0xffff; // reset the syndrom to all ones
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Chk = 0xffff; // reset the syndrom to all ones
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for (j=0; j<sizeOfData; j++) {
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for (j=0; j<sizeOfData; j++) {
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Chk = Crc_opt(data[j], Chk);
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Chk = Crc_opt(data[j], Chk);
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}
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}
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crcAsTwoBytes[0] = (unsigned char) (Chk >> 8);
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crcAsTwoBytes[0] = (unsigned char) (Chk >> 8);
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crcAsTwoBytes[1] = (unsigned char) (Chk & 0x00ff);
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crcAsTwoBytes[1] = (unsigned char) (Chk & 0x00ff);
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}
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}
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//*********************
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// ACCEPTANCE FUNCTIONS
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unsigned int TC_checker(ccsdsTelecommandPacket_t *TC, unsigned int TC_LEN_RCV,
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unsigned int TC_checker(ccsdsTelecommandPacket_t *TC, unsigned int TC_LEN_RCV,
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TMHeader_t *TM_Header, unsigned int *hlen, char *data)
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TMHeader_t *TM_Header, unsigned int *hlen, char *data)
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{
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{
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unsigned int code = 0;
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unsigned int code = 0;
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unsigned int data_length = 0;
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unsigned int data_length = 0;
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unsigned char computed_CRC[2];
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unsigned char computed_CRC[2];
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unsigned char subtype = 0;
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unsigned char subtype = 0;
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61
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subtype = TC->dataFieldHeader[2];
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subtype = TC->dataFieldHeader[2];
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GetCRCAsTwoBytes( (unsigned char*) TC->packetID, computed_CRC, TC_LEN_RCV + 5 );
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GetCRCAsTwoBytes( (unsigned char*) TC->packetID, computed_CRC, TC_LEN_RCV + 5 );
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code = acceptTM( TC, TC_LEN_RCV ) ;
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code = acceptTM( TC, TC_LEN_RCV ) ;
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//PRINTF1("in TC_checker *** %s\n", errorCCSDSMsg[code]);
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//PRINTF1("in TC_checker *** %s\n", errorCCSDSMsg[code]);
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if ( (code == 0) | (code == 1) | (code == 2)
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if ( (code == 0) | (code == 1) | (code == 2)
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| (code == 3) | (code == 4) | (code == 5) )
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| (code == 3) | (code == 4) | (code == 5) )
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{ // generate TM_LFR_TC_EXE_CORRUPTED
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{ // generate TM_LFR_TC_EXE_CORRUPTED
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// BUILD HEADER
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// BUILD HEADER
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TM_build_header( TM_LFR_TC_EXE_ERR, SID_EXE_CORR, TM_LEN_EXE_CORR, 0, 0, TM_Header);
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TM_build_header( TM_LFR_TC_EXE_ERR, SID_EXE_CORR, TM_LEN_EXE_CORR, 0, 0, TM_Header);
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// BUILD DATA
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// BUILD DATA
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TM_build_data( TC, data, SID_EXE_CORR, computed_CRC);
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TM_build_data( TC, data, SID_EXE_CORR, computed_CRC);
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data_length = TM_LEN_EXE_CORR + CCSDS_TC_TM_PACKET_OFFSET - TM_HEADER_LEN;
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data_length = TM_LEN_EXE_CORR + CCSDS_TC_TM_PACKET_OFFSET - TM_HEADER_LEN;
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}
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}
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if (subtype == SID_TC_UPDT_TIME){
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if (subtype == SID_TC_UPDT_TIME){
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// BUILD HEADER
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// BUILD HEADER
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TM_build_header( TM_LFR_TC_EXE_OK, SID_DEFAULT, TM_LEN_EXE, 0, 0, TM_Header);
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TM_build_header( TM_LFR_TC_EXE_OK, SID_DEFAULT, TM_LEN_EXE, 0, 0, TM_Header);
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// BUILD DATA
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// BUILD DATA
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TM_build_data( TC, data, SID_DEFAULT, computed_CRC);
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TM_build_data( TC, data, SID_DEFAULT, computed_CRC);
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data_length = TM_LEN_NOT_IMP + CCSDS_TC_TM_PACKET_OFFSET - TM_HEADER_LEN;
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data_length = TM_LEN_NOT_IMP + CCSDS_TC_TM_PACKET_OFFSET - TM_HEADER_LEN;
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}
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}
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else { // TM_LFR_TC_EXE_NOT_IMPLEMENTED
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else { // TM_LFR_TC_EXE_NOT_IMPLEMENTED
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// BUILD HEADER
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// BUILD HEADER
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TM_build_header( TM_LFR_TC_EXE_ERR, SID_NOT_IMP, TM_LEN_NOT_IMP, 0, 0, TM_Header);
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TM_build_header( TM_LFR_TC_EXE_ERR, SID_NOT_IMP, TM_LEN_NOT_IMP, 0, 0, TM_Header);
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// BUILD DATA
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// BUILD DATA
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TM_build_data( TC, data, SID_NOT_IMP, computed_CRC);
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TM_build_data( TC, data, SID_NOT_IMP, computed_CRC);
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data_length = TM_LEN_NOT_IMP + CCSDS_TC_TM_PACKET_OFFSET - TM_HEADER_LEN;
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data_length = TM_LEN_NOT_IMP + CCSDS_TC_TM_PACKET_OFFSET - TM_HEADER_LEN;
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}
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}
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return data_length;
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return data_length;
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}
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}
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92
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unsigned char acceptTM(ccsdsTelecommandPacket_t * TMPacket, unsigned int TC_LEN_RCV)
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unsigned char acceptTM(ccsdsTelecommandPacket_t * TMPacket, unsigned int TC_LEN_RCV)
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{
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{
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unsigned char pid = 0;
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unsigned char pid = 0;
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unsigned char category = 0;
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unsigned char category = 0;
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unsigned int length = 0;
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unsigned int length = 0;
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unsigned char packetType = 0;
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unsigned char packetType = 0;
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unsigned char packetSubtype = 0;
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unsigned char packetSubtype = 0;
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unsigned char * CCSDSContent;
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unsigned char * CCSDSContent;
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96
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101
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// APID check *** APID on 2 bytes
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// APID check *** APID on 2 bytes
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pid = ((TMPacket->packetID[0] & 0x07)<<4) + ( (TMPacket->packetID[1]>>4) & 0x0f ); // PID = 11 *** 7 bits xxxxx210 7654xxxx
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pid = ((TMPacket->packetID[0] & 0x07)<<4) + ( (TMPacket->packetID[1]>>4) & 0x0f ); // PID = 11 *** 7 bits xxxxx210 7654xxxx
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category = (TMPacket->packetID[1] & 0x0f); // PACKET_CATEGORY = 12 *** 4 bits xxxxxxxx xxxx3210
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category = (TMPacket->packetID[1] & 0x0f); // PACKET_CATEGORY = 12 *** 4 bits xxxxxxxx xxxx3210
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if (pid!=CCSDS_PROCESS_ID) return ILLEGAL_APID;
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if (pid!=CCSDS_PROCESS_ID) return ILLEGAL_APID;
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101
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if (category!=CCSDS_PACKET_CATEGORY) return ILLEGAL_APID;
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if (category!=CCSDS_PACKET_CATEGORY) return ILLEGAL_APID;
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102
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107
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// packet length check
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108
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// packet length check
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104
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length = TMPacket->packetLength[0] * 256 + TMPacket->packetLength[1];
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109
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length = TMPacket->packetLength[0] * 256 + TMPacket->packetLength[1];
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105
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if (length != TC_LEN_RCV ) return WRONG_LEN_PACKET; // LEN RCV != SIZE FIELD
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110
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if (length != TC_LEN_RCV ) return WRONG_LEN_PACKET; // LEN RCV != SIZE FIELD
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106
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if (length >= CCSDS_TC_PKT_MAX_SIZE) return WRONG_LEN_PACKET; // check that the packet does not exceed the MAX size
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111
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if (length >= CCSDS_TC_PKT_MAX_SIZE) return WRONG_LEN_PACKET; // check that the packet does not exceed the MAX size
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107
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112
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108
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packetType = TMPacket->dataFieldHeader[1];
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packetType = TMPacket->dataFieldHeader[1];
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109
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packetSubtype = TMPacket->dataFieldHeader[2];
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114
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packetSubtype = TMPacket->dataFieldHeader[2];
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110
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// service type, subtype and packet length check
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115
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// service type, subtype and packet length check
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111
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if (packetType == 181){
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116
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if (packetType == 181){
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112
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switch(packetSubtype){ //subtype, autorized values are 3, 20, 21, 24, 27, 28, 30, 40, 50, 60, 61
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switch(packetSubtype){ //subtype, autorized values are 3, 20, 21, 24, 27, 28, 30, 40, 50, 60, 61
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113
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case 3:
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118
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case 3:
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114
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if (length!=(12-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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119
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if (length!=(12-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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115
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break;
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120
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break;
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116
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case 20:
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121
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case 20:
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117
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if (length!=(14-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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122
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if (length!=(14-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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118
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break;
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123
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break;
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119
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case 21:
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124
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case 21:
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120
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if (length!=(20-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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125
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if (length!=(20-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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121
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break;
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126
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break;
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122
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case 24:
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127
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case 24:
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123
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if (length!=(14-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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128
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if (length!=(14-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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124
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break;
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129
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break;
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125
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case 27:
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130
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case 27:
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126
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if (length!=(14-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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131
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if (length!=(14-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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127
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break;
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132
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break;
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128
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case 28:
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133
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case 28:
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129
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if (length!=(14-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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134
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if (length!=(14-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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130
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break;
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135
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break;
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131
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case 30:
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136
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case 30:
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132
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if (length!=(12-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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137
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if (length!=(12-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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133
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break;
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138
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break;
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134
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case 40:
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139
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case 40:
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135
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if (length!=(20-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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140
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if (length!=(20-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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136
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break;
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141
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break;
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137
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case 50:
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142
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case 50:
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138
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if (length!=(50-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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143
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if (length!=(50-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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139
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break;
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144
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break;
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140
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case 60:
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145
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case 60:
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141
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if (length!=(12-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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146
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if (length!=(12-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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142
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break;
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147
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break;
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143
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case 61:
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148
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case 61:
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144
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if (length!=(12-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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149
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if (length!=(12-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
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145
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break;
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150
|
break;
|
|
|
146
|
default:
|
|
151
|
default:
|
|
|
147
|
return ILL_SUBTYPE;
|
|
152
|
return ILL_SUBTYPE;
|
|
|
148
|
break;
|
|
153
|
break;
|
|
|
149
|
}
|
|
154
|
}
|
|
|
150
|
}
|
|
155
|
}
|
|
|
151
|
else if (packetType == 9){
|
|
156
|
else if (packetType == 9){
|
|
|
152
|
if (packetSubtype!=129) return ILL_SUBTYPE;
|
|
157
|
if (packetSubtype!=129) return ILL_SUBTYPE;
|
|
|
153
|
if (length!=(18-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
|
|
158
|
if (length!=(18-CCSDS_TC_TM_PACKET_OFFSET)) return WRONG_LEN_PACKET;
|
|
|
154
|
}
|
|
159
|
}
|
|
|
155
|
else return ILL_TYPE;
|
|
160
|
else return ILL_TYPE;
|
|
|
156
|
|
|
161
|
|
|
|
157
|
// source ID check // Source ID not documented in the ICD
|
|
162
|
// source ID check // Source ID not documented in the ICD
|
|
|
158
|
|
|
163
|
|
|
|
159
|
// packet error control, CRC check
|
|
164
|
// packet error control, CRC check
|
|
|
160
|
CCSDSContent = (unsigned char*) TMPacket->packetID;
|
|
165
|
CCSDSContent = (unsigned char*) TMPacket->packetID;
|
|
|
161
|
GetCRCAsTwoBytes(CCSDSContent, currentTC_COMPUTED_CRC, length + CCSDS_TC_TM_PACKET_OFFSET - 2); // 2 CRC bytes removed from the calculation of the CRC
|
|
166
|
GetCRCAsTwoBytes(CCSDSContent, currentTC_COMPUTED_CRC, length + CCSDS_TC_TM_PACKET_OFFSET - 2); // 2 CRC bytes removed from the calculation of the CRC
|
|
|
162
|
if (currentTC_COMPUTED_CRC[0] != CCSDSContent[length + CCSDS_TC_TM_PACKET_OFFSET -2]) return INCOR_CHECKSUM;
|
|
167
|
if (currentTC_COMPUTED_CRC[0] != CCSDSContent[length + CCSDS_TC_TM_PACKET_OFFSET -2]) return INCOR_CHECKSUM;
|
|
|
163
|
if (currentTC_COMPUTED_CRC[1] != CCSDSContent[length + CCSDS_TC_TM_PACKET_OFFSET -1]) return INCOR_CHECKSUM;
|
|
168
|
if (currentTC_COMPUTED_CRC[1] != CCSDSContent[length + CCSDS_TC_TM_PACKET_OFFSET -1]) return INCOR_CHECKSUM;
|
|
|
164
|
|
|
169
|
|
|
|
165
|
return CCSDS_TM_VALID;
|
|
170
|
return CCSDS_TM_VALID;
|
|
|
166
|
}
|
|
171
|
}
|
|
|
167
|
|
|
172
|
|
|
|
168
|
unsigned char TM_build_header( enum TM_TYPE tm_type, unsigned int SID, unsigned int packetLength,
|
|
173
|
unsigned char TM_build_header( enum TM_TYPE tm_type, unsigned int SID, unsigned int packetLength,
|
|
|
169
|
unsigned int coarseTime, unsigned int fineTime, TMHeader_t *TMHeader)
|
|
174
|
unsigned int coarseTime, unsigned int fineTime, TMHeader_t *TMHeader)
|
|
|
170
|
{
|
|
175
|
{
|
|
|
171
|
TMHeader->targetLogicalAddress = CCSDS_DESTINATION_ID;
|
|
176
|
TMHeader->targetLogicalAddress = CCSDS_DESTINATION_ID;
|
|
|
172
|
TMHeader->protocolIdentifier = 0x02;
|
|
177
|
TMHeader->protocolIdentifier = 0x02;
|
|
|
173
|
TMHeader->reserved = 0x00;
|
|
178
|
TMHeader->reserved = 0x00;
|
|
|
174
|
TMHeader->userApplication = 0x00;
|
|
179
|
TMHeader->userApplication = 0x00;
|
|
|
175
|
TMHeader->packetID[0] = 0x0c;
|
|
180
|
TMHeader->packetID[0] = 0x0c;
|
|
|
176
|
TMHeader->packetSequenceControl[0] = 0xc0;
|
|
181
|
TMHeader->packetSequenceControl[0] = 0xc0;
|
|
|
177
|
TMHeader->packetSequenceControl[1] = 0x00;
|
|
182
|
TMHeader->packetSequenceControl[1] = 0x00;
|
|
|
178
|
TMHeader->packetLength[0] = (unsigned char) (packetLength>>8);
|
|
183
|
TMHeader->packetLength[0] = (unsigned char) (packetLength>>8);
|
|
|
179
|
TMHeader->packetLength[1] = (unsigned char) packetLength;
|
|
184
|
TMHeader->packetLength[1] = (unsigned char) packetLength;
|
|
|
180
|
TMHeader->dataFieldHeader[0] = 0x10;
|
|
185
|
TMHeader->dataFieldHeader[0] = 0x10;
|
|
|
181
|
TMHeader->dataFieldHeader[3] = CCSDS_DESTINATION_ID;
|
|
186
|
TMHeader->dataFieldHeader[3] = CCSDS_DESTINATION_ID;
|
|
|
182
|
switch (tm_type){
|
|
187
|
switch (tm_type){
|
|
|
183
|
case(TM_LFR_TC_EXE_OK):
|
|
188
|
case(TM_LFR_TC_EXE_OK):
|
|
|
184
|
TMHeader->packetID[1] = 0xc1;
|
|
189
|
TMHeader->packetID[1] = 0xc1;
|
|
|
185
|
TMHeader->dataFieldHeader[1] = 1; // type
|
|
190
|
TMHeader->dataFieldHeader[1] = 1; // type
|
|
|
186
|
TMHeader->dataFieldHeader[2] = 7; // subtype
|
|
191
|
TMHeader->dataFieldHeader[2] = 7; // subtype
|
|
|
187
|
break;
|
|
192
|
break;
|
|
|
188
|
case(TM_LFR_TC_EXE_ERR):
|
|
193
|
case(TM_LFR_TC_EXE_ERR):
|
|
|
189
|
TMHeader->packetID[1] = 0xc1;
|
|
194
|
TMHeader->packetID[1] = 0xc1;
|
|
|
190
|
TMHeader->dataFieldHeader[1] = 1; // type
|
|
195
|
TMHeader->dataFieldHeader[1] = 1; // type
|
|
|
191
|
TMHeader->dataFieldHeader[2] = 8; // subtype
|
|
196
|
TMHeader->dataFieldHeader[2] = 8; // subtype
|
|
|
192
|
break;
|
|
197
|
break;
|
|
|
193
|
case(TM_LFR_HK):
|
|
198
|
case(TM_LFR_HK):
|
|
|
194
|
TMHeader->packetID[1] = 0xc4;
|
|
199
|
TMHeader->packetID[1] = 0xc4;
|
|
|
195
|
TMHeader->dataFieldHeader[1] = 3; // type
|
|
200
|
TMHeader->dataFieldHeader[1] = 3; // type
|
|
|
196
|
TMHeader->dataFieldHeader[2] = 25; // subtype
|
|
201
|
TMHeader->dataFieldHeader[2] = 25; // subtype
|
|
|
197
|
break;
|
|
202
|
break;
|
|
|
198
|
case(TM_LFR_SCI):
|
|
203
|
case(TM_LFR_SCI):
|
|
|
199
|
TMHeader->packetID[1] = 0xcc;
|
|
204
|
TMHeader->packetID[1] = 0xcc;
|
|
|
200
|
TMHeader->dataFieldHeader[1] = 21; // type
|
|
205
|
TMHeader->dataFieldHeader[1] = 21; // type
|
|
|
201
|
TMHeader->dataFieldHeader[2] = 3; // subtype
|
|
206
|
TMHeader->dataFieldHeader[2] = 3; // subtype
|
|
|
202
|
break;
|
|
207
|
break;
|
|
|
203
|
case(TM_LFR_SCI_SBM):
|
|
208
|
case(TM_LFR_SCI_SBM):
|
|
|
204
|
TMHeader->packetID[1] = 0xfc;
|
|
209
|
TMHeader->packetID[1] = 0xfc;
|
|
|
205
|
TMHeader->dataFieldHeader[1] = 21; // type
|
|
210
|
TMHeader->dataFieldHeader[1] = 21; // type
|
|
|
206
|
TMHeader->dataFieldHeader[2] = 3; // subtype
|
|
211
|
TMHeader->dataFieldHeader[2] = 3; // subtype
|
|
|
207
|
break;
|
|
212
|
break;
|
|
|
208
|
case(TM_LFR_PAR_DUMP):
|
|
213
|
case(TM_LFR_PAR_DUMP):
|
|
|
209
|
TMHeader->packetID[1] = 0xc9;
|
|
214
|
TMHeader->packetID[1] = 0xc9;
|
|
|
210
|
TMHeader->dataFieldHeader[1] = 181; // type
|
|
215
|
TMHeader->dataFieldHeader[1] = 181; // type
|
|
|
211
|
TMHeader->dataFieldHeader[2] = 31; // subtype
|
|
216
|
TMHeader->dataFieldHeader[2] = 31; // subtype
|
|
|
212
|
break;
|
|
217
|
break;
|
|
|
213
|
default:
|
|
218
|
default:
|
|
|
214
|
return 0;
|
|
219
|
return 0;
|
|
|
215
|
}
|
|
220
|
}
|
|
|
216
|
/*TMHeader->dataFieldHeader[4] = (unsigned char) (coarseTime>>24);
|
|
221
|
/*TMHeader->dataFieldHeader[4] = (unsigned char) (coarseTime>>24);
|
|
|
217
|
TMHeader->dataFieldHeader[5] = (unsigned char) (coarseTime>>16);
|
|
222
|
TMHeader->dataFieldHeader[5] = (unsigned char) (coarseTime>>16);
|
|
|
218
|
TMHeader->dataFieldHeader[6] = (unsigned char) (coarseTime>>8);
|
|
223
|
TMHeader->dataFieldHeader[6] = (unsigned char) (coarseTime>>8);
|
|
|
219
|
TMHeader->dataFieldHeader[7] = (unsigned char) (coarseTime);
|
|
224
|
TMHeader->dataFieldHeader[7] = (unsigned char) (coarseTime);
|
|
|
220
|
TMHeader->dataFieldHeader[8] = (unsigned char) (fineTime>>8);
|
|
225
|
TMHeader->dataFieldHeader[8] = (unsigned char) (fineTime>>8);
|
|
|
221
|
TMHeader->dataFieldHeader[9] = (unsigned char) (fineTime);*/
|
|
226
|
TMHeader->dataFieldHeader[9] = (unsigned char) (fineTime);*/
|
|
|
222
|
TMHeader->dataFieldHeader[4] = 0xaa;
|
|
227
|
TMHeader->dataFieldHeader[4] = 0xaa;
|
|
|
223
|
TMHeader->dataFieldHeader[5] = 0xbb;
|
|
228
|
TMHeader->dataFieldHeader[5] = 0xbb;
|
|
|
224
|
TMHeader->dataFieldHeader[6] = 0xcc;
|
|
229
|
TMHeader->dataFieldHeader[6] = 0xcc;
|
|
|
225
|
TMHeader->dataFieldHeader[7] = 0xdd;
|
|
230
|
TMHeader->dataFieldHeader[7] = 0xdd;
|
|
|
226
|
TMHeader->dataFieldHeader[8] = 0xee;
|
|
231
|
TMHeader->dataFieldHeader[8] = 0xee;
|
|
|
227
|
TMHeader->dataFieldHeader[9] = 0xff;
|
|
232
|
TMHeader->dataFieldHeader[9] = 0xff;
|
|
|
228
|
return 1;
|
|
233
|
return 1;
|
|
|
229
|
}
|
|
234
|
}
|
|
|
230
|
|
|
235
|
|
|
|
231
|
unsigned char TM_build_data(ccsdsTelecommandPacket_t *TC, char* data, unsigned int SID, unsigned char *computed_CRC)
|
|
236
|
unsigned char TM_build_data(ccsdsTelecommandPacket_t *TC, char* data, unsigned int SID, unsigned char *computed_CRC)
|
|
|
232
|
{
|
|
237
|
{
|
|
|
233
|
unsigned int packetLength;
|
|
238
|
unsigned int packetLength;
|
|
|
234
|
packetLength = TC->packetLength[0] * 256 + TC->packetLength[1];
|
|
239
|
packetLength = TC->packetLength[0] * 256 + TC->packetLength[1];
|
|
|
235
|
switch (SID){
|
|
240
|
switch (SID){
|
|
|
236
|
case (SID_NOT_EXE):
|
|
241
|
case (SID_NOT_EXE):
|
|
|
237
|
break;
|
|
242
|
break;
|
|
|
238
|
case (SID_NOT_IMP):
|
|
243
|
case (SID_NOT_IMP):
|
|
|
239
|
data[0] = 0x9c;
|
|
244
|
data[0] = 0x9c;
|
|
|
240
|
data[1] = 0x42;
|
|
245
|
data[1] = 0x42;
|
|
|
241
|
data[2] = TC->packetID[0];
|
|
246
|
data[2] = TC->packetID[0];
|
|
|
242
|
data[3] = TC->packetID[1];
|
|
247
|
data[3] = TC->packetID[1];
|
|
|
243
|
data[4] = TC->packetSequenceControl[0];
|
|
248
|
data[4] = TC->packetSequenceControl[0];
|
|
|
244
|
data[5] = TC->packetSequenceControl[1];
|
|
249
|
data[5] = TC->packetSequenceControl[1];
|
|
|
245
|
data[6] = TC->dataFieldHeader[1]; // type
|
|
250
|
data[6] = TC->dataFieldHeader[1]; // type
|
|
|
246
|
data[7] = TC->dataFieldHeader[2]; // subtype
|
|
251
|
data[7] = TC->dataFieldHeader[2]; // subtype
|
|
|
247
|
break;
|
|
252
|
break;
|
|
|
248
|
case (SID_EXE_ERR):
|
|
253
|
case (SID_EXE_ERR):
|
|
|
249
|
break;
|
|
254
|
break;
|
|
|
250
|
case (SID_EXE_CORR):
|
|
255
|
case (SID_EXE_CORR):
|
|
|
251
|
data[0] = 0x9c;
|
|
256
|
data[0] = 0x9c;
|
|
|
252
|
data[1] = 0x45;
|
|
257
|
data[1] = 0x45;
|
|
|
253
|
data[2] = TC->packetID[0];
|
|
258
|
data[2] = TC->packetID[0];
|
|
|
254
|
data[3] = TC->packetID[1];
|
|
259
|
data[3] = TC->packetID[1];
|
|
|
255
|
data[4] = TC->packetSequenceControl[0];
|
|
260
|
data[4] = TC->packetSequenceControl[0];
|
|
|
256
|
data[5] = TC->packetSequenceControl[1];
|
|
261
|
data[5] = TC->packetSequenceControl[1];
|
|
|
257
|
data[6] = TC->dataFieldHeader[1]; // type
|
|
262
|
data[6] = TC->dataFieldHeader[1]; // type
|
|
|
258
|
data[7] = TC->dataFieldHeader[2]; // subtype
|
|
263
|
data[7] = TC->dataFieldHeader[2]; // subtype
|
|
|
259
|
data[8] = currentTC_LEN_RCV[0];
|
|
264
|
data[8] = currentTC_LEN_RCV[0];
|
|
|
260
|
data[9] = currentTC_LEN_RCV[1];
|
|
265
|
data[9] = currentTC_LEN_RCV[1];
|
|
|
261
|
data[10] = TC->packetLength[0];
|
|
266
|
data[10] = TC->packetLength[0];
|
|
|
262
|
data[11] = TC->packetLength[1];
|
|
267
|
data[11] = TC->packetLength[1];
|
|
|
263
|
data[12] = TC->dataAndCRC[packetLength];
|
|
268
|
data[12] = TC->dataAndCRC[packetLength];
|
|
|
264
|
data[13] = TC->dataAndCRC[packetLength+1];
|
|
269
|
data[13] = TC->dataAndCRC[packetLength+1];
|
|
|
265
|
data[14] = computed_CRC[0];
|
|
270
|
data[14] = computed_CRC[0];
|
|
|
266
|
data[15] = computed_CRC[1];
|
|
271
|
data[15] = computed_CRC[1];
|
|
|
267
|
break;
|
|
272
|
break;
|
|
|
268
|
default:
|
|
273
|
default:
|
|
|
269
|
return 0;
|
|
274
|
return 0;
|
|
|
270
|
}
|
|
275
|
}
|
|
|
271
|
return 1;
|
|
276
|
return 1;
|
|
|
272
|
}
|
|
277
|
}
|
|
|
273
|
|
|
278
|
|
|
|
|
|
|
279
|
unsigned char actionLauncher(unsigned int sid)
|
|
|
|
|
|
280
|
{
|
|
|
|
|
|
281
|
|
|
|
|
|
|
282
|
}
|
|
|
|
|
|
283
|
|
|
|
|
|
|
284
|
//***********
|
|
|
|
|
|
285
|
// RTEMS TASK
|
|
|
274
|
rtems_task spw_recv_task( rtems_task_argument unused )
|
|
286
|
rtems_task spw_recv_task( rtems_task_argument unused )
|
|
|
275
|
{
|
|
287
|
{
|
|
|
276
|
rtems_status_code status;
|
|
288
|
rtems_status_code status;
|
|
|
277
|
int len = 0;
|
|
289
|
int len = 0;
|
|
|
278
|
unsigned int i = 0;
|
|
290
|
unsigned int i = 0;
|
|
|
279
|
unsigned int data_length = 0;
|
|
291
|
unsigned int data_length = 0;
|
|
|
280
|
ccsdsTelecommandPacket_t currentTC;
|
|
292
|
ccsdsTelecommandPacket_t currentTC;
|
|
|
281
|
spw_ioctl_pkt_send spw_ioctl_send;
|
|
293
|
spw_ioctl_pkt_send spw_ioctl_send;
|
|
|
282
|
TMHeader_t TM_header;
|
|
294
|
TMHeader_t TM_header;
|
|
|
283
|
char data[100];
|
|
295
|
char data[100];
|
|
|
284
|
|
|
296
|
|
|
|
285
|
for(i=0; i<100; i++) data[i] = 0;
|
|
297
|
for(i=0; i<100; i++) data[i] = 0;
|
|
|
286
|
|
|
298
|
|
|
|
287
|
PRINTF("In RECV *** \n")
|
|
299
|
PRINTF("In RECV *** \n")
|
|
|
288
|
|
|
300
|
|
|
|
289
|
while(1){
|
|
301
|
while(1){
|
|
|
290
|
len = read(fdSPW, (char*) ¤tTC, CCSDS_TC_PKT_MAX_SIZE); // the call to read is blocking
|
|
302
|
len = read(fdSPW, (char*) ¤tTC, CCSDS_TC_PKT_MAX_SIZE); // the call to read is blocking
|
|
|
291
|
if (len == -1){ // error during the read call
|
|
303
|
if (len == -1){ // error during the read call
|
|
|
292
|
PRINTF("In RECV *** last read call returned -1\n")
|
|
304
|
PRINTF("In RECV *** last read call returned -1\n")
|
|
|
293
|
if (rtems_event_send( Task_id[3], SPW_LINKERR_EVENT ) != RTEMS_SUCCESSFUL)
|
|
305
|
if (rtems_event_send( Task_id[3], SPW_LINKERR_EVENT ) != RTEMS_SUCCESSFUL)
|
|
|
294
|
PRINTF("IN RECV *** Error: rtems_event_send SPW_LINKERR_EVENT\n")
|
|
306
|
PRINTF("IN RECV *** Error: rtems_event_send SPW_LINKERR_EVENT\n")
|
|
|
295
|
if (rtems_task_suspend(RTEMS_SELF) != RTEMS_SUCCESSFUL)
|
|
307
|
if (rtems_task_suspend(RTEMS_SELF) != RTEMS_SUCCESSFUL)
|
|
|
296
|
PRINTF("In RECV *** Error: rtems_task_suspend(RTEMS_SELF)\n")
|
|
308
|
PRINTF("In RECV *** Error: rtems_task_suspend(RTEMS_SELF)\n")
|
|
|
297
|
}
|
|
309
|
}
|
|
|
298
|
else {
|
|
310
|
else {
|
|
|
299
|
//PRINTF1("In RECV *** Got Message of length %d\n", len)
|
|
311
|
//PRINTF1("In RECV *** Got Message of length %d\n", len)
|
|
|
300
|
currentTC_LEN_RCV[0] = 0x00;
|
|
312
|
currentTC_LEN_RCV[0] = 0x00;
|
|
|
301
|
currentTC_LEN_RCV[1] = (unsigned char) len - CCSDS_TC_TM_PACKET_OFFSET - 3; // build the corresponding packet size field
|
|
313
|
currentTC_LEN_RCV[1] = (unsigned char) len - CCSDS_TC_TM_PACKET_OFFSET - 3; // build the corresponding packet size field
|
|
|
302
|
currentTC_LEN_RCV_AsUnsignedInt = (unsigned int) len - CCSDS_TC_TM_PACKET_OFFSET - 3; // => -3 is for Prot ID, Reserved and User App bytes
|
|
314
|
currentTC_LEN_RCV_AsUnsignedInt = (unsigned int) len - CCSDS_TC_TM_PACKET_OFFSET - 3; // => -3 is for Prot ID, Reserved and User App bytes
|
|
|
303
|
// CHECK THE TC AND BUILD THE APPROPRIATE TM
|
|
315
|
// CHECK THE TC AND BUILD THE APPROPRIATE TM
|
|
|
304
|
data_length = TC_checker(¤tTC, currentTC_LEN_RCV_AsUnsignedInt,
|
|
316
|
data_length = TC_checker(¤tTC, currentTC_LEN_RCV_AsUnsignedInt,
|
|
|
305
|
&TM_header, &spw_ioctl_send.hlen, data);
|
|
317
|
&TM_header, &spw_ioctl_send.hlen, data);
|
|
|
306
|
spw_ioctl_send.hlen = TM_HEADER_LEN + 4; // + 4 is for the protocole extra header
|
|
318
|
spw_ioctl_send.hlen = TM_HEADER_LEN + 4; // + 4 is for the protocole extra header
|
|
|
307
|
spw_ioctl_send.hdr = (char*) &TM_header;
|
|
319
|
spw_ioctl_send.hdr = (char*) &TM_header;
|
|
|
308
|
spw_ioctl_send.dlen = data_length;
|
|
320
|
spw_ioctl_send.dlen = data_length;
|
|
|
309
|
spw_ioctl_send.data = data;
|
|
321
|
spw_ioctl_send.data = data;
|
|
|
310
|
//printf("hlen %d, dlen %d\n", spw_ioctl_send.hlen, spw_ioctl_send.dlen);
|
|
322
|
//printf("hlen %d, dlen %d\n", spw_ioctl_send.hlen, spw_ioctl_send.dlen);
|
|
|
311
|
// SEND PACKET
|
|
323
|
// SEND PACKET
|
|
|
312
|
status = ioctl( fdSPW, SPACEWIRE_IOCTRL_SEND, &spw_ioctl_send );
|
|
324
|
status = ioctl( fdSPW, SPACEWIRE_IOCTRL_SEND, &spw_ioctl_send );
|
|
|
313
|
if (status!=RTEMS_SUCCESSFUL) printf("In TC_checker *** Error SPACEWIRE_IOCTRL_SEND\n");
|
|
325
|
if (status!=RTEMS_SUCCESSFUL) printf("In TC_checker *** Error SPACEWIRE_IOCTRL_SEND\n");
|
|
|
314
|
//PRINTF1("In TC_checker *** packet of size %d sent\n", spw_ioctl_send.sent)
|
|
326
|
//PRINTF1("In TC_checker *** packet of size %d sent\n", spw_ioctl_send.sent)
|
|
|
315
|
}
|
|
327
|
}
|
|
|
316
|
}
|
|
328
|
}
|
|
|
317
|
}
|
|
329
|
}
|
|
|
318
|
|
|
330
|
|
|
|
319
|
|
|
331
|
|
