px_iwdg.h : Independent Watchdog module

Description

This module is used to initialise the IWDG peripheral.

File(s):

• arch/arm/stm32/inc/px_iwdg.h
• arch/arm/stm32/src/px_iwdg.c

Enumerations
enum	px_iwdg_prescaler_t {   PX_IWDG_PRESCALER_4 = 0 , PX_IWDG_PRESCALER_8 = 1 , PX_IWDG_PRESCALER_16 = 2 , PX_IWDG_PRESCALER_32 = 3 ,   PX_IWDG_PRESCALER_64 = 4 , PX_IWDG_PRESCALER_128 = 5 , PX_IWDG_PRESCALER_256 = 6 }
	Independent Watchdog clock prescaler (40 kHz LSI clock source) More...

Functions
void	px_iwdg_init (px_iwdg_prescaler_t prescaler, uint16_t reload, uint16_t window)
	Initialise Independent Watchdog. More...
void	px_iwdg_reload_counter (void)
	Reload watchdog counter, a.k.a. More...

Enumeration Type Documentation

px_iwdg_prescaler_t

enum px_iwdg_prescaler_t

Independent Watchdog clock prescaler (40 kHz LSI clock source)

Enumerator
PX_IWDG_PRESCALER_4	Clock = 40 kHz / 4.
PX_IWDG_PRESCALER_8	Clock = 40 kHz / 8.
PX_IWDG_PRESCALER_16	Clock = 40 kHz / 16.
PX_IWDG_PRESCALER_32	Clock = 40 kHz / 32.
PX_IWDG_PRESCALER_64	Clock = 40 kHz / 64.
PX_IWDG_PRESCALER_128	Clock = 40 kHz / 128.
PX_IWDG_PRESCALER_256	Clock = 40 kHz / 256.

Definition at line 46 of file px_iwdg.h.

Function Documentation

px_iwdg_init()

void px_iwdg_init	(	px_iwdg_prescaler_t	prescaler,
		uint16_t	reload,
		uint16_t	window
	)

Initialise Independent Watchdog.

Parameters

prescaler	Clock prescaler. See px_iwdg_prescaler_t
reload	Counter reload value (1 to 0x0fff)
window	Reload window (0 if not used; max 0x0fff)

Definition at line 40 of file px_iwdg.c.

px_iwdg_reload_counter()

void px_iwdg_reload_counter

(

void

)

Reload watchdog counter, a.k.a.

"patting the dog"

Definition at line 67 of file px_iwdg.c.