Buttons (buttons.h)

Detailed Description

#include "buttons.h" 

Overview

Routines to initialize and query the buttons

Modules
	Internal configurations (buttons.cfg.h)

Functions
void	buttons_init (void)
int8_t	buttons_get (uint8_t pin)
int8_t	buttons_event (uint8_t pin)

Function Documentation

void buttons_init

(

void

)

Initializes I/Os for buttons

Definition at line 28 of file buttons.c.

int8_t buttons_get

(

uint8_t

pin

)

Get the state of the button on pin N

Parameters

pin	Pin number (0 = left button, 1 = right button)

Returns

1 if pressed, 0 if released, -1 if wrong pin number

Definition at line 34 of file buttons.c.

int8_t buttons_event

(

uint8_t

pin

)

Check if button on pin N was pressed down since the last call

Parameters

pin	Pin number (0 = left button, 1 = right button)

Returns

1 if button was pressed down since last call, -1 if wrong pin number, 0 otherwise

Definition at line 40 of file buttons.c.