modules/uwindows/UW_TouchScreen.c File Reference

#include "circle_api.h"
#include "UWindows.h"
#include "Calibrate.h"

Functions
bool	UW_TSIsClicked (void)
	Return if Touchs screen is clicked.
void	UW_TSDrawCurser (u8 x, u8 y)
	Return if Touchs screen is clicked.
u8	UW_TSCalibrate (void)
	Perform a 3 point Calibration.
u16	UW_TSGetPos (void)
	retur a clibratin pointer
u16	UW_TSInit (void)
	Initialize TS variables.
Variables
POINT	screensample [3]
POINT	displaysample [3]
MATRIX	matrix
u8	calibration_phase
u8	lasttouchstatus

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Detailed Description

]

Author:

[Bassem]

Date:

06-21-09

To Handle Touch Screen Operations.

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Function Documentation

u8 UW_TSCalibrate

(

void

)

Perform a 3 point Calibration.

The Calibration algorithm is done on 3 points this function implements it.

Returns:

none

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void UW_TSDrawCurser	(	u8	x,
		u8	y
	)

Return if Touchs screen is clicked.

This function will draw a cursor for calibration

Returns:

none

u16 UW_TSGetPos

(

void

)

retur a clibratin pointer

The function will retun a clibrated position (if Calibration enabled)

Returns:

none

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u16 UW_TSInit

(

void

)

Initialize TS variables.

Returns:

none

bool UW_TSIsClicked

(

void

)

Return if Touchs screen is clicked.

This function will detect a toggle in TS status and return True when TS is pressed after being released before

Returns:

none

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Variable Documentation

u8 calibration_phase

POINT displaysample[3]

u8 lasttouchstatus

MATRIX matrix

POINT screensample[3]