wd.c File Reference

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

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

Include dependency graph for wd.c:

Go to the source code of this file.

Functions
int	flink_wd_get_baseclock (flink_subdev *subdev, uint32_t *base_clk)
	Reads the base clock of a watchdog subdevice. More...
int	flink_wd_get_status (flink_subdev *subdev, uint8_t *status)
	Reads the status word of a watchdog subdevice. More...
int	flink_wd_set_counter (flink_subdev *subdev, uint32_t counter)
	Presets the watchdog counter. More...
int	flink_wd_arm (flink_subdev *subdev)
	Starts the watchdog counter. More...

Detailed Description

flink userspace library, subdevice function "watchdog".

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

Author

Martin Züger

Definition in file wd.c.

Function Documentation

int flink_wd_arm

(

flink_subdev *

subdev

)

Starts the watchdog counter.

Parameters

subdev

Subdevice.

Returns

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

Definition at line 100 of file wd.c.

int flink_wd_get_baseclock	(	flink_subdev *	subdev,
		uint32_t *	base_clk
	)

Reads the base clock of a watchdog 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 wd.c.

int flink_wd_get_status	(	flink_subdev *	subdev,
		uint8_t *	status
	)

Reads the status word of a watchdog subdevice.

Parameters

subdev	Subdevice.
status	Contains the status word.

Returns

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

Definition at line 57 of file wd.c.

int flink_wd_set_counter	(	flink_subdev *	subdev,
		uint32_t	counter
	)

Presets the watchdog counter.

Parameters

subdev	Subdevice.
counter	Desired counter value.

Returns

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

Definition at line 79 of file wd.c.