reset.h File Reference

#include <stdbool.h>
#include <stdint.h>

Functions
int	kfsw_platform_get_reset_cause (uint32_t *cause)
bool	kfsw_platform_reset_cause_is_watchdog (uint32_t cause)
const char *	kfsw_platform_reset_cause_name (uint32_t cause)

Description

Hardware reset-cause API.

Function Documentation

kfsw_platform_get_reset_cause()

int kfsw_platform_get_reset_cause

(

uint32_t *

cause

)

Read and clear the hardware reset cause.

Parameters

[out]

cause

Reset-cause flags.

Return values

0	The reset cause was read successfully.
-EINVAL	cause is NULL.

Returns

A negative errno value on failure.

kfsw_platform_reset_cause_is_watchdog()

bool kfsw_platform_reset_cause_is_watchdog

(

uint32_t

cause

)

Whether the watchdog is one of the latched reset causes.

Parameters

cause

Reset-cause flags from kfsw_platform_get_reset_cause.

Returns

True when the watchdog bit is set.

kfsw_platform_reset_cause_name()

const char * kfsw_platform_reset_cause_name

(

uint32_t

cause

)

Short name for a reset cause.

When several causes are latched, the watchdog is reported first. Never returns NULL.

Parameters

cause

Reset-cause flags from kfsw_platform_get_reset_cause.

Returns

A lowercase name, or "unknown" when no known bit is set.