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SwRI can revise these Terms at any time * without notice by updating this posting. * * Trademarks * * The SwRI logo is a trademark of SwRI in the United States and other countries. * */ #ident "@(#) fill_cal_bit_aswp.c 1.1 05/08/19 SwRI" #include "libbase_idfs.h" /******************************************************************************* * * * IR_FILL_CAL_ARRAY_BIT_ALL_SWP SUBROUTINE * * * * DESCRIPTION * * This routine is called to retrieve the calibration data to be applied to * * the sample sequence values which is defined for all sensors to use. The * * calibration set has been identified as having a bit word length (< 8 bits).* * Tensor data can never call this module - error would be trapped when info. * * read from VIDF file. * * * * INPUT VARIABLES * * SDDAS_ULONG *cal_data_off index into CAL_DATA array returned in EXP_DATA* * structure for the cal set being processed * * SDDAS_CHAR byte_size how many bits are used per data element * * within each byte (necessary due to padding) * * SDDAS_LONG sen_set_offset the no. of bytes to bypass in order to get to * * the correct sensor set * * SDDAS_SHORT which_cset the calibration set being processed * * SDDAS_LONG *all_swp_cal_offset current bit pointed to within the sensor * * set for the sample sequence calibration data * * defined for all sensors to share * * void *idf_data_ptr ptr to the memory location for the structure * * that holds returned data values (read_drec) * * * * USAGE * * ir_fill_cal_array_bit_all_swp (&cal_data_off, byte_size, sen_set_offset, * * which_cset, &all_swp_cal_offset, * * &idf_data_ptr) * * * * NECESSARY SUBPROGRAMS * * ir_fill_cal_array_bit_data () extracts the appropriate bits from the * * cal. data being accessed * * * * EXTERNAL VARIABLES * * struct general_info structure that holds information concerning * * ginfo the experiment that is being processed * * * * INTERNAL VARIABLES * * struct idf_data *EXP_DATA structure that holds all of the currently * * returned data values to be processed * * struct experiment_info a pointer to the structure that holds * * *ex specific experiment information * * struct ptr_rec *ptr a pointer to the structure which holds all * * pointers to the header and data for the * * experiment of interest * * register SDDAS_LONG *lpt ptr to the array where the data is returned * * register SDDAS_UCHAR *ucal the cal. data for the sample sequence is * * interpreted as an array of characters * * register SDDAS_ULONG j looping variable * * SDDAS_ULONG cset_num the number of elements in this cal. set * * SDDAS_SHORT which_byte indicates which byte to point to for bit data * * SDDAS_SHORT which_bit indicates which bit to point to for bit data * * * * SUBSYSTEM * * Display Level * * * ******************************************************************************/ void ir_fill_cal_array_bit_all_swp (SDDAS_ULONG *cal_data_off, SDDAS_CHAR byte_size, SDDAS_LONG sen_set_offset, SDDAS_SHORT which_cset, SDDAS_LONG *all_swp_cal_offset, void *idf_data_ptr) { extern struct general_info ginfo; struct idf_data *EXP_DATA; struct experiment_info *ex; struct ptr_rec *ptr; register SDDAS_LONG *lpt; register SDDAS_UCHAR *ucal; register SDDAS_ULONG j; SDDAS_ULONG cset_num; SDDAS_SHORT which_byte, which_bit; /***************************************************************************/ /* Set a pointer to the structure which holds all pointers for header and */ /* data information for the experiment currently being processed. */ /***************************************************************************/ ex = ginfo.expt; ptr = ex->info_ptr; EXP_DATA = (struct idf_data *) idf_data_ptr; /******************************************************************/ /* Pick up sweep calibration data for this cal. set. */ /******************************************************************/ cset_num = *(ex->CSET_NUM + which_cset); lpt = (SDDAS_LONG *) (EXP_DATA->cal_data + *cal_data_off); for (j = 0; j < cset_num; ++lpt, ++j) { which_bit = *all_swp_cal_offset % 8; which_byte = *all_swp_cal_offset / 8; ucal = (SDDAS_UCHAR *)(ptr->ALL_CAL_SWP + sen_set_offset + which_byte); ir_fill_cal_array_bit_data (lpt, ucal, which_bit); *all_swp_cal_offset += byte_size; } *cal_data_off += cset_num; EXP_DATA->cal_len += cset_num; }