Diff: FT6206.h

Revision:

0:d146e986a07f

Child:

4:b9ff3c020e7f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FT6206.h	Mon Mar 23 19:49:52 2015 +0000
@@ -0,0 +1,87 @@
+/*************************************************** 
+  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 FT6206_H
+#define FT6206_H
+
+#include "mbed.h"
+
+#define FT6206_I2C_FREQUENCY      400000
+
+#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 0x80
+
+#define ILI9341_TFTWIDTH  320
+#define ILI9341_TFTHEIGHT 240
+
+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 FT6206 {
+ public:
+
+    FT6206(PinName sda, PinName scl, PinName interrupt);
+  
+    bool begin(uint8_t thresh = FT6206_DEFAULT_THRESSHOLD);  
+
+    void writeRegister8(char reg, char val);
+    char readRegister8(char reg);
+    char dataReceived(void);
+
+    void readData(uint16_t *x, uint16_t *y);
+    
+    bool touched(void);
+    TS_Point getPoint(void);
+
+ private:
+    DigitalIn m_interrupt; 
+    I2C m_i2c;
+    int m_addr;
+    char data[2];
+
+    uint8_t touches;
+    uint16_t touchX[2], touchY[2], touchID[2];
+
+};
+
+#endif
+