#include "pidf_local.h"

SDDAS_INT BinIndex (SDDAS_ULONG key, const SDDAS_CHAR *exten, SDDAS_INT sensor_num,
                    SDDAS_INT *nsets)
{
    SDDAS_INT swp_ndx;
    SDDAS_INT error_code;

/* Read the the number of bin schemes set up.  If none, return a 0 */

    if ((error_code = ReadNewPidf (key, exten, BIN, NOTUSED, NOTUSED, NSETS,
        nsets)) != ALL_OKAY) return (error_code);

/* if we have some bin sets defined, we must go to the sensor and find out 
   which scan_block_info (SWPNDX) to use.
*/
    if (*nsets != 0) {
        if ((error_code = ReadNewPidf (key, exten, SENSOR, sensor_num, NOTUSED, SWPNDX, 
            (void *) &swp_ndx)) != ALL_OKAY) return (error_code);

/* based on the scan block info, return the number of units within the scan unit */

        if ((error_code = ReadNewPidf (key, exten, SWEEP_STEP, swp_ndx, NOTUSED, NUNITS,
            nsets)) != ALL_OKAY) return (error_code);
    }

    return (error_code);
}