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#ifndef CSCSPTrailer_h
#define CSCSPTrailer_h
#include <cstring>
class CSCSPTrailer {
private:
/////// word 1 ///////
unsigned l1a_ : 8;
unsigned word_count_low : 4;
unsigned trailer_mark_1 : 4; // constant, should be 1111 = 0xF
/////// word 2 ///////
unsigned trailer_mark_2 : 4; // constant, should be 1111 = 0xF
unsigned trailer_mark_3 : 3; // constant, should be 111 = 0x7
unsigned l1a_fifo_full_ : 1;
unsigned word_count_high : 4;
unsigned trailer_mark_4 : 4; // constant, should be 1111 = 0xF
/////// word 3 ///////
unsigned month_ : 4;
unsigned year_ : 4;
unsigned bb_ : 1; // SP readout configuration year base (0 / 16)
unsigned spare_1 : 1;
unsigned spare_2 : 1;
unsigned zero_1 : 1;
unsigned trailer_mark_5 : 4; // constant, should be 1111 = 0xF
/////// word 4 ///////
unsigned core_configuraton : 12;
unsigned trailer_mark_6 : 4; // constant, should be 1111 = 0xF
/////// word 5 ///////
unsigned day_ : 5;
unsigned zero_2 : 7;
unsigned trailer_mark_7 : 4; // constant, should be 1110 = 0xE
/////// word 6 ///////
unsigned board_id_ : 12;
unsigned trailer_mark_8 : 4; // constant, should be 1110 = 0xE
/////// word 7 ///////
unsigned crc_low : 11;
unsigned crc_low_parity : 1;
unsigned trailer_mark_9 : 4; // constant, should be 1110 = 0xE
/////// word 8 ///////
unsigned crc_high : 11;
unsigned crc_high_parity : 1;
unsigned trailer_mark_10 : 4; // constant, should be 1110 = 0xE
friend class CSCTFPacker;
public:
bool check(void) const throw() {
return spare_1 != 0 || spare_2 != 0 || zero_1 != 0 || zero_2 != 0 || trailer_mark_1 != 0xF ||
trailer_mark_2 != 0xF || trailer_mark_3 != 0x7 || trailer_mark_4 != 0xF || trailer_mark_5 != 0xF ||
trailer_mark_6 != 0xF || trailer_mark_7 != 0xE || trailer_mark_8 != 0xE || trailer_mark_9 != 0xE ||
trailer_mark_10 != 0xE;
}
unsigned int l1a_7bits(void) const throw() { return l1a_; }
unsigned int l1a_queue_size(void) const throw() { return (word_count_high << 4) | word_count_low; }
bool l1a_fifo_full(void) const throw() { return l1a_fifo_full_; }
unsigned int year(void) const throw() { return 2000 + 16 * bb_ + year_; }
unsigned int month(void) const throw() { return month_; }
unsigned int day(void) const throw() { return day_; }
unsigned int configuration(void) const throw() { return core_configuraton; }
//unsigned int slot (void) const throw() { return board_id_&0x1F; }
//unsigned int sector (void) const throw() { return (board_id_&0x700)>>8; }
//unsigned int endcap (void) const throw() { return (board_id_&0x800)>>11; }
unsigned int board_id(void) const throw() { return board_id_; }
unsigned int crc(void) const throw() { return crc_low | (crc_high << 11); }
bool unpack(const unsigned short *&buf) throw() {
std::memcpy(this, buf, 8 * sizeof(short));
buf += 8;
return check();
}
CSCSPTrailer(void) {}
};
#endif
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