screen_calibrate.h

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/**************************************************************************************************************************************
* Project:       discoverpixy
* Website:       https://github.com/t-moe/discoverpixy
* Authors:       Aaron Schmocker, Timo Lang
* Institution:   BFH Bern University of Applied Sciences
* File:          common/touch/screen_calibrate.h
*
* Version History:
* Date          Autor Email         SHA     Changes
* 2015-06-01    timolang@gmail.com  06227da Added calibrate screen (WIP). fixed bug in emulator drawing.
* 2015-06-01    timolang@gmail.com  eb573bc Finalized calibration. Fixed a bug in screen module.
*
**************************************************************************************************************************************/

#include "screen.h"





SCREEN_STRUCT* get_screen_calibrate();



//TODO: Move this define to a common accessible, but private header file (they are used by screen_calibrate.c and touch.c)
#define CCENTER 20  //Pixel Distance from Sides for Calibration Cross
#define CLENGTH 10  //Length of the Calibration Cross Lines
#define CBEGIN (CCENTER-CLENGTH/2)
#define CEND (CCENTER + CLENGTH/2)
#define DWIDTH 320 //TODO: move define to tft module or make a function out of it
#define DHEIGHT 240 //TODO: move define to tft module or make a function out of it