Fluke Hydra Series II User Manual page 259

Now that the configuration has been processed and the number of valid channels has
been determined, the scan data can be processed.
/* Measurements are stored in scan records of variable size.
** This C structure is the decoded version of a scan record,
** and is of fixed size (unused measurement values are not set).
*/
struct scan_record {
/* Timestamp */
unsigned char bcd_hours;
unsigned char bcd_minutes;
unsigned char bcd_seconds;
unsigned char bcd_month;
unsigned char bcd_day;
unsigned char bcd_year;
/* Digital (alarm) outputs */
unsigned char dout;
/* Digital input/outputs */
unsigned char dio;
/* Totalizer value */
float total;
/* Measurement per channel */
float meas[21];
} scan;
/*
-* convert_scan_record(): Convert a scan record into usable data
**
** In each data file, after the 730 bytes of configuration data, an
** array of scan records may be found (it is possible for data files
** to have no scan data).
** and places it in the given destination buffer.
**
** Note that convert_config() must be called before this routine!
**
** Inputs:
** hydra
** max_index
** index_to_chan
** file_data
**
**
**
**
** scan
**
** Outputs:
** scan
*/
void
convert_scan_record(unsigned char * file_data, struct scan_record * scan)
{
int index;
int ch;
This routine converts a single scan record
File configuration data.
number of channels in scan record and
the table of non-off channels
A single scan record from the same data file.
that was last processed by convert_config().
Note that this routine assumes that the
number of bytes in this buffer is exactly the
number of bytes per scan record.
Pointer to destination scan record buffer.
Set to converted version of scan record.
Appendices
Memory Card File Formats
F
F-7