Diff: Mini_DK/TouchADS7843/Touch.h

Revision:

0:ab0aec01b38e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Mini_DK/TouchADS7843/Touch.h	Sun Dec 30 21:31:56 2012 +0000
@@ -0,0 +1,59 @@
+
+#ifndef MBED_Touch_H
+#define MBED_Touch_H
+
+#include "SPI_TFT.h"
+#include "mbed.h"
+
+    typedef struct
+    {
+       int x;
+       int y;
+    } Coordinate;
+
+    typedef struct
+    {
+    int         An,
+                Bn,
+                Cn,
+                Dn,
+                En,
+                Fn,
+                Divider ;
+    } Matrix;
+
+class TouchScreenADS7843 : public  SPI_TFT
+{
+public:
+// (To be modified) C code below works on KEIL compiler but NOT on LPCXpresso/mbed 
+//    extern Coordinate ScreenSample[3];
+//    extern Coordinate DisplaySample[3];
+//    extern Matrix matrix ;
+//    extern Coordinate  display ;
+
+    TouchScreenADS7843(PinName tp_mosi,PinName tp_miso,PinName tp_sclk,PinName tp_cs,PinName tp_irq,PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset,const char* name ="TFT");
+
+    void TP_Init(void);
+    void TP_GetAdXY(int *x,int *y);
+    void TP_DrawPoint(unsigned int Xpos,unsigned int Ypos,unsigned int color);
+//    Coordinate Read_Ads7846(void);
+    unsigned char Read_Ads7846(Coordinate * screenPtr);
+    void TouchPanel_Calibrate(Matrix * matrixPtr);
+    unsigned char getDisplayPoint(Coordinate * displayPtr,Coordinate * screenPtr,Matrix * matrixPtr );
+
+    SPI        _tp_spi;
+    DigitalOut _tp_cs;
+    DigitalIn  _tp_irq;
+
+protected:
+
+#define SPI_RD_DELAY 1
+#define    CHX             0xd0    // 12 bit mode
+#define    CHY             0x90
+
+    int Read_XY(unsigned char XY);
+    void DrawCross(unsigned int Xpos,unsigned int Ypos);
+    unsigned char setCalibrationMatrix( Coordinate * displayPtr,Coordinate * screenPtr,Matrix * matrixPtr);
+
+};
+#endif