buttons.h File Reference

Declaration of buttons interface. More...

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

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Detailed Description

Declaration of buttons interface.

Definition in file buttons.h.

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Function Documentation

result_t BSP_CloseButtons

(

)

Cancel buttons handlers.

Returns:

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

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

Returns:

FAIL - buttons module is busy,
SUCCESS - otherwise.

uint8_t BSP_ReadButtonsState

(

)

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.

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