Diff: SeeedStudioTFTv2.h

Revision:

15:b174ec6e3ca0

Parent:

4:25554dc066a0

diff -r 4f0ebc5a4f00 -r b174ec6e3ca0 SeeedStudioTFTv2.h
--- a/SeeedStudioTFTv2.h	Fri Mar 03 02:56:25 2017 +0000
+++ b/SeeedStudioTFTv2.h	Wed Apr 12 20:30:06 2017 +0000
@@ -19,6 +19,17 @@
 #define __PRESURE 1000
 #define RXPLATE   300
 
+//Measured ADC values for (0,0) and (210-1,320-1)
+//TS_MINX corresponds to ADC value when X = 0
+//TS_MINY corresponds to ADC value when Y = 0
+//TS_MAXX corresponds to ADC value when X = 240 -1
+//TS_MAXY corresponds to ADC value when Y = 320 -1
+
+#define TS_MINX 10500  //116*2
+#define TS_MAXX 116252 //890*2
+#define TS_MINY 12500  //83*2
+#define TS_MAXY 116044 //913*2
+
 struct point {
     int x;
     int y;
@@ -39,7 +50,8 @@
      * based on my SPI_TFT lib
      */
     TouchScreen(PinName xp, PinName xm, PinName yp, PinName ym);
-void getTouch(point& p);
+        void getTouch(point& p);
+        long map(long x, long in_min, long in_max, long out_min, long out_max);
 protected:
     PinName _xm;
     PinName _ym;
@@ -49,7 +61,6 @@
 
     typedef enum { YES, MAYBE, NO } TOUCH;
     int readTouch(PinName p, PinName m, PinName a, PinName i);
-
     int x_off,y_off;
     int pp_tx,pp_ty;
 };