button.c File Reference

#include "button.h"
#include "../communication.h"

Macros
#define	BOARD_BUTTON_PORT   GPIOE
#define	BOARD_BUTTON_PIN   GPIO_Pin_2
#define	USER_BUTTON_IRQ_CHANNEL   EXTI2_IRQn
#define	USER_BUTTON_IRQ_LINE   EXTI_Line2
#define	USER_BUTTON_IRQ_PINSOURCE   EXTI_PinSource2
#define	USER_BUTTON_IRQ_SOURCE   EXTI_PortSourceGPIOE

Functions
void	but_Init (void(*stateChangedCallback)(bool))
	Initializes the button module. More...
bool	but_GetState (void)
	Gets the current state of the user button. More...
void	EXTI2_IRQHandler (void)
	Calls the user button callback function. More...

Variables
void(*	userButtonStateChangedCallback )(bool)
	Function called when the button state changes. The bool parameter is true if the button was released. More...

Macro Definition Documentation

BOARD_BUTTON_PIN

#define BOARD_BUTTON_PIN   GPIO_Pin_2

BOARD_BUTTON_PORT

#define BOARD_BUTTON_PORT   GPIOE

USER_BUTTON_IRQ_CHANNEL

#define USER_BUTTON_IRQ_CHANNEL   EXTI2_IRQn

USER_BUTTON_IRQ_LINE

#define USER_BUTTON_IRQ_LINE   EXTI_Line2

USER_BUTTON_IRQ_PINSOURCE

#define USER_BUTTON_IRQ_PINSOURCE   EXTI_PinSource2

USER_BUTTON_IRQ_SOURCE

#define USER_BUTTON_IRQ_SOURCE   EXTI_PortSourceGPIOE

Function Documentation

EXTI2_IRQHandler()

void EXTI2_IRQHandler

(

void

)

Calls the user button callback function.

Remarks

: this function is called automatically by the pin change interrupt of the user button.

Variable Documentation

userButtonStateChangedCallback

void(* userButtonStateChangedCallback) (bool)

Function called when the button state changes. The bool parameter is true if the button was released.