exti_stm32.h File Reference

#include <zephyr/types.h>

Go to the source code of this file.

Macros
#define	STM32_EXTI_LINE_NONE   0xFFFFFFFFU
	Driver for External interrupt/event controller in STM32 MCUs.

Typedefs
typedef void(*	stm32_exti_callback_t) (int line, void *user)

Enumerations
enum	stm32_exti_trigger { STM32_EXTI_TRIG_NONE = 0x0 , STM32_EXTI_TRIG_RISING = 0x1 , STM32_EXTI_TRIG_FALLING = 0x2 , STM32_EXTI_TRIG_BOTH = 0x3 }
	EXTI trigger flags. More...

Functions
void	stm32_exti_enable (int line)
	enable EXTI interrupt for specific line
void	stm32_exti_disable (int line)
	disable EXTI interrupt for specific line
void	stm32_exti_trigger (int line, int trg)
	set EXTI interrupt line triggers
int	stm32_exti_set_callback (int line, stm32_exti_callback_t cb, void *data)
	set EXTI interrupt callback
void	stm32_exti_unset_callback (int line)
	unset EXTI interrupt callback

Macro Definition Documentation

STM32_EXTI_LINE_NONE

#define STM32_EXTI_LINE_NONE   0xFFFFFFFFU

Driver for External interrupt/event controller in STM32 MCUs.

Based on reference manuals: RM0008 Reference Manual: STM32F101xx, STM32F102xx, STM32F103xx, STM32F105xx and STM32F107xx advanced ARM(r)-based 32-bit MCUs and RM0368 Reference manual STM32F401xB/C and STM32F401xD/E advanced ARM(r)-based 32-bit MCUs

Chapter 10.2: External interrupt/event controller (EXTI)

Typedef Documentation

stm32_exti_callback_t

typedef void(* stm32_exti_callback_t) (int line, void *user)

Enumeration Type Documentation

stm32_exti_trigger

enum stm32_exti_trigger

EXTI trigger flags.

Enumerator
STM32_EXTI_TRIG_NONE
STM32_EXTI_TRIG_RISING
STM32_EXTI_TRIG_FALLING
STM32_EXTI_TRIG_BOTH

Function Documentation

stm32_exti_disable()

void stm32_exti_disable

(

int

line

)

disable EXTI interrupt for specific line

Parameters

line	EXTI# line

stm32_exti_enable()

void stm32_exti_enable

(

int

line

)

enable EXTI interrupt for specific line

Parameters

line	EXTI# line

stm32_exti_set_callback()

int stm32_exti_set_callback	(	int	line,
		stm32_exti_callback_t	cb,
		void *	data
	)

set EXTI interrupt callback

Parameters

line	EXI# line
cb	user callback
data	user data

stm32_exti_trigger()

void stm32_exti_trigger	(	int	line,
		int	trg
	)

set EXTI interrupt line triggers

Parameters

line	EXTI# line
trg	OR'ed stm32_exti_trigger flags

stm32_exti_unset_callback()

void stm32_exti_unset_callback

(

int

line

)

unset EXTI interrupt callback

Parameters

line

EXI# line