SIRF_TEST_MODE_DATA

Structure representing test mode data from a SiRF receiver

Remarks

SiRF receivers have several test modes that can be invoked to perform basic functional testing.

See Also

Members

Members	Description
double dCNoMean;	C/No mean
double dCNoSigma;	C/No sigma
double dClockDrift;	Clock drift
double dClockOffset;	Clock offset
unsigned short usSVid;	Fixed SVid to search for on all channels
unsigned short usPeriod;	Number of seconds statistics are accumulated over
unsigned short usBitSynchTime;	Time to first bit synch
unsigned short usBitCount;	Count of how many data bits came out during a period
unsigned short usPoorStatusCount;	Count of how many 100ms periods tracker spent in any status less then 3F
unsigned short usGoodStatusCount;	Count of how many 100ms periods tracker spent in status 3F
unsigned short usParityErrorCount;	Number of word parity errors
unsigned short usLostVCOCount;	Number of msec VCO lock loss was detected
unsigned short usFrameSynchTime;	Time to first frame synch
unsigned long ulAbsQ;	Absolute value of the 1ms Q count over the duration of the test period.
unsigned long ulAbsI;	Absolute value of the 20ms coherent sums of the I count over the duration of the test period.

Group

Types

Declaration

typedef struct {
  double dCNoMean;
  double dCNoSigma;
  double dClockDrift;
  double dClockOffset;
  unsigned short usSVid;
  unsigned short usPeriod;
  unsigned short usBitSynchTime;
  unsigned short usBitCount;
  unsigned short usPoorStatusCount;
  unsigned short usGoodStatusCount;
  unsigned short usParityErrorCount;
  unsigned short usLostVCOCount;
  unsigned short usFrameSynchTime;
  unsigned long ulAbsQ;
  unsigned long ulAbsI;
} SIRF_TEST_MODE_DATA_EX;

File

sirfapi.h

Links

Types, See Also