TM_STMPE811_Functions

Library Functions. More...

Macros
#define	TM_STMPE811_TouchInRectangle(sd, xPos, yPos, w, h)   (((sd)->x >= (xPos)) && ((sd)->x < (xPos + w)) && ((sd)->y >= (yPos)) && ((sd)->y < (yPos + h)))
	Checks if touch data is inside specific rectangle coordinates. More...

Functions
TM_STMPE811_State_t	TM_STMPE811_Init (void)
	Initializes STMPE811 Touch driver. More...
TM_STMPE811_State_t	TM_STMPE811_ReadTouch (TM_STMPE811_t *structdata)
	Reads touch coordinates. More...

Detailed Description

Library Functions.

Macro Definition Documentation

#define TM_STMPE811_TouchInRectangle	(		sd,
			xPos,
			yPos,
			w,
			h
	)		(((sd)->x >= (xPos)) && ((sd)->x < (xPos + w)) && ((sd)->y >= (yPos)) && ((sd)->y < (yPos + h)))

Checks if touch data is inside specific rectangle coordinates.

Parameters

sd	Pointer to TM_STMPE811_t to get data from
xPos	Top-left X position of rectangle
yPos	Top-left Y position of rectangle
w	Rectangle width
h	Rectangle height:

Return values

Touch

inside rectangle status: 0: Touch is outside rectangle > 0: Touch is inside rectangle

Note

Defined as macro for faster execution

Function Documentation

TM_STMPE811_State_t TM_STMPE811_Init

(

void

)

Initializes STMPE811 Touch driver.

Parameters

None

Return values

Member

of TM_STMPE811_State_t

TM_STMPE811_State_t TM_STMPE811_ReadTouch

(

TM_STMPE811_t *

structdata

)

Reads touch coordinates.

Parameters

*structdata

Pointer to TM_STMPE811_t to store data into

Return values

Touch

status: TM_STMPE811_State_Pressed: Touch detected as pressed, coordinates valid TM_STMPE811_State_Released: Touch detected as not pressed, coordinates not valid