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Adafruit_FT6206/Adafruit_FT6206.h

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+/*************************************************** 
+  This is a library for the Adafruit Capacitive Touch Screens
+
+  ----> http://www.adafruit.com/products/1947
+ 
+  Check out the links above for our tutorials and wiring diagrams
+  This chipset uses I2C to communicate
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  MIT license, all text above must be included in any redistribution
+ ****************************************************/
+
+#ifndef ADAFRUIT_FT6206_LIBRARY
+#define ADAFRUIT_FT6206_LIBRARY
+
+#if ARDUINO >= 100
+ #include "Arduino.h"
+#else
+ #include "WProgram.h"
+#endif
+
+#include <Wire.h>
+
+
+#define FT6206_ADDR           0x38
+#define FT6206_G_FT5201ID     0xA8
+#define FT6206_REG_NUMTOUCHES 0x02
+
+#define FT6206_NUM_X             0x33
+#define FT6206_NUM_Y             0x34
+
+#define FT6206_REG_MODE 0x00
+#define FT6206_REG_CALIBRATE 0x02
+#define FT6206_REG_WORKMODE 0x00
+#define FT6206_REG_FACTORYMODE 0x40
+#define FT6206_REG_THRESHHOLD 0x80
+#define FT6206_REG_POINTRATE 0x88
+#define FT6206_REG_FIRMVERS 0xA6
+#define FT6206_REG_CHIPID 0xA3
+#define FT6206_REG_VENDID 0xA8
+
+// calibrated for Adafruit 2.8" ctp screen
+#define FT6206_DEFAULT_THRESSHOLD 128
+
+class TS_Point {
+ public:
+  TS_Point(void);
+  TS_Point(int16_t x, int16_t y, int16_t z);
+  
+  bool operator==(TS_Point);
+  bool operator!=(TS_Point);
+
+  int16_t x, y, z;
+};
+
+class Adafruit_FT6206 {
+ public:
+
+  Adafruit_FT6206(void);
+  boolean begin(uint8_t thresh = FT6206_DEFAULT_THRESSHOLD);  
+
+  void writeRegister8(uint8_t reg, uint8_t val);
+  uint8_t readRegister8(uint8_t reg);
+
+  void readData(uint16_t *x, uint16_t *y);
+  void autoCalibrate(void); 
+
+  boolean touched(void);
+  TS_Point getPoint(void);
+
+ private:
+  uint8_t touches;
+  uint16_t touchX[2], touchY[2], touchID[2];
+
+};
+
+#endif //ADAFRUIT_FT6206_LIBRARY