ppwa.c File Reference

flink userspace library, subdevice function "ppwa". More...

#include "flinklib.h"
#include "types.h"
#include "error.h"
#include "log.h"

Include dependency graph for ppwa.c:

Go to the source code of this file.

Functions
int	flink_ppwa_get_baseclock (flink_subdev *subdev, uint32_t *frequency)
	Reads the base clock of a PPWA subdevice. More...
int	flink_ppwa_get_period (flink_subdev *subdev, uint32_t channel, uint32_t *period)
	Reads the PPWA period. More...
int	flink_ppwa_get_hightime (flink_subdev *subdev, uint32_t channel, uint32_t *hightime)
	Reads the PPWA hightime. More...

Detailed Description

flink userspace library, subdevice function "ppwa".

Contains the high-level functions for a flink subdevice which realizes the function "ppwa".

Author

Urs Graf

Definition in file ppwa.c.

Function Documentation

int flink_ppwa_get_baseclock	(	flink_subdev *	subdev,
		uint32_t *	frequency
	)

Reads the base clock of a PPWA subdevice.

Parameters

subdev	Subdevice.
frequency	Contains the base clock in Hz.

Returns

int: 0 on success, -1 in case of failure.

Definition at line 35 of file ppwa.c.

int flink_ppwa_get_hightime	(	flink_subdev *	subdev,
		uint32_t	channel,
		uint32_t *	hightime
	)

Reads the PPWA hightime.

Parameters

subdev	Subdevice.
channel	Channel number.
hightime	Contains the hightime of the PPWA signal in multiples of the base clock.

Returns

int: 0 on success, -1 in case of failure.

Definition at line 79 of file ppwa.c.

int flink_ppwa_get_period	(	flink_subdev *	subdev,
		uint32_t	channel,
		uint32_t *	period
	)

Reads the PPWA period.

Parameters

subdev	Subdevice.
channel	Channel number.
period	Contains the period of the PPWA signal in multiples of the base clock.

Returns

int: 0 on success, -1 in case of failure.

Definition at line 57 of file ppwa.c.