Scrolldriver

Functions
void	scroll_turnOff (void)
	Defines a scroll driver that uses the quadrature HW. More...
void	scroll_turnOn (void)
	Turn on scroll HW. More...
void	scroll_registerForInterrupt (void(*userfn)(void *), void *userdata)
	Register a thread context interrupt handler. More...
INT16	scroll_getCount (void)
	Gets the current count of the scroll wheel. More...
void	scroll_init (void)

Detailed Description

Function Documentation

INT16 scroll_getCount

(

void

)

Gets the current count of the scroll wheel.

Returns

scroll count.

void scroll_registerForInterrupt	(	void(*)(void *)	userfn,
		void *	userdata
	)

Register a thread context interrupt handler.

Parameters

userfn	Pointer to the callback function to be invoked.
userdata	Pointer to a context that is passed into callback when the interrupt occurs.

void scroll_turnOff

(

void

)

Defines a scroll driver that uses the quadrature HW.

Turn off scroll HW. This is used when entering power-off mode (software or low battery).

void scroll_turnOn

(

void

)

Turn on scroll HW.

This is used when exiting power-off mode (software or low battery).