buttons.h File Reference

The header file describes the buttons interface. More...

Go to the source code of this file.

Functions
result_t	BSP_OpenButtons (void(*pressed)(uint8_t bn), void(*released)(uint8_t bn))
	Registers handlers for button events.
result_t	BSP_CloseButtons (void)
	Cancel buttons handlers.
uint8_t	BSP_ReadButtonsState (void)
	Reads state of the buttons.

---

Detailed Description

The header file describes the buttons interface.

Author:

Atmel Corporation: http://www.atmel.com
Support email: avr@atmel.com

Copyright (c) 2008 , Atmel Corporation. All rights reserved. Licensed under Atmel's Limited License Agreement (BitCloudTM).

Definition in file buttons.h.

---

Function Documentation

result_t BSP_OpenButtons	(	void(*)(uint8_t bn)	pressed,
		void(*)(uint8_t bn)	released
	)

Registers handlers for button events.

Parameters:

[in]	pressed	- the handler to process pressing of the button bn - button number.
[in]	released	- the handler to process releasing of the button bn - button number.

Returns:

FAIL - buttons module is busy,
SUCCESS - otherwise.

result_t BSP_CloseButtons

(

void

)

Cancel buttons handlers.

Returns:

FAIL - buttons module was not opened,
SUCCESS - otherwise.

uint8_t BSP_ReadButtonsState

(

void

)

Reads state of the buttons.

Returns:

Current buttons state in a binary way.
Bit 0 defines the state of button 1, bit 1 defines the state of button 2.

---