time_measurement_t Struct Reference

Type of a Time Measurement object. More...

#include <chtm.h>

Collaboration diagram for time_measurement_t:

Data Fields
rtcnt_t	best
	Best measurement.
rtcnt_t	worst
	Worst measurement.
rtcnt_t	last
	Last measurement.
ucnt_t	n
	Number of measurements.
rttime_t	cumulative
	Cumulative measurement.

Detailed Description

Type of a Time Measurement object.

Note

The maximum measurable time period depends on the implementation of the realtime counter and its clock frequency.

The measurement is not 100% cycle-accurate, it can be in excess of few cycles depending on the compiler and target architecture.

Interrupts can affect measurement if the measurement is performed with interrupts enabled.

Definition at line 79 of file chtm.h.

Field Documentation

best

rtcnt_t time_measurement_t::best

Best measurement.

Definition at line 80 of file chtm.h.

Referenced by __tm_calibration_object_init(), chTMObjectInit(), and tm_stop().

worst

rtcnt_t time_measurement_t::worst

Worst measurement.

Definition at line 81 of file chtm.h.

Referenced by chTMObjectInit(), and tm_stop().

last

rtcnt_t time_measurement_t::last

Last measurement.

Definition at line 82 of file chtm.h.

Referenced by chTMChainMeasurementToX(), chTMObjectInit(), chTMStartMeasurementX(), and tm_stop().

n

ucnt_t time_measurement_t::n

Number of measurements.

Definition at line 83 of file chtm.h.

Referenced by chTMObjectInit(), and tm_stop().

cumulative

rttime_t time_measurement_t::cumulative

Cumulative measurement.

Definition at line 84 of file chtm.h.

Referenced by chTMObjectInit(), and tm_stop().