cad design

reflow_plate_fw/lib/ft6206_touch/ft6206_touch.h

@@ -0,0 +1,72 @@
+#pragma once
+
+#include "Arduino.h"
+#include <Wire.h>
+
+#define FT62XX_ADDR 0x38           //!< I2C address
+#define FT62XX_G_FT5201ID 0xA8     //!< FocalTech's panel ID
+#define FT62XX_REG_NUMTOUCHES 0x02 //!< Number of touch points
+
+#define FT62XX_NUM_X 0x33 //!< Touch X position
+#define FT62XX_NUM_Y 0x34 //!< Touch Y position
+
+#define FT62XX_REG_MODE 0x00        //!< Device mode, either WORKING or FACTORY
+#define FT62XX_REG_CALIBRATE 0x02   //!< Calibrate mode
+#define FT62XX_REG_WORKMODE 0x00    //!< Work mode
+#define FT62XX_REG_FACTORYMODE 0x40 //!< Factory mode
+#define FT62XX_REG_THRESHHOLD 0x80  //!< Threshold for touch detection
+#define FT62XX_REG_POINTRATE 0x88   //!< Point rate
+#define FT62XX_REG_FIRMVERS 0xA6    //!< Firmware version
+#define FT62XX_REG_CHIPID 0xA3      //!< Chip selecting
+#define FT62XX_REG_VENDID 0xA8      //!< FocalTech's panel ID
+
+#define FT62XX_VENDID 0x11  //!< FocalTech's panel ID
+#define FT6206_CHIPID 0x06  //!< Chip selecting
+#define FT6236_CHIPID 0x36  //!< Chip selecting
+#define FT6236U_CHIPID 0x64 //!< Chip selecting
+
+// calibrated for Adafruit 2.8" ctp screen
+#define FT62XX_DEFAULT_THRESHOLD 128 //!< Default threshold for touch detection
+
+/**************************************************************************/
+/*!
+    @brief  Helper class that stores a TouchScreen Point with x, y, and z
+   coordinates, for easy math/comparison
+*/
+/**************************************************************************/
+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; /*!< X coordinate */
+  int16_t y; /*!< Y coordinate */
+  int16_t z; /*!< Z coordinate (often used for pressure) */
+};
+
+/**************************************************************************/
+/*!
+    @brief  Class that stores state and functions for interacting with FT6206
+   capacitive touch chips
+*/
+/**************************************************************************/
+class FT6206 {
+public:
+  FT6206(void);
+  bool begin(uint8_t thresh = FT62XX_DEFAULT_THRESHOLD);
+  uint8_t touched(void);
+  TS_Point getPoint(uint8_t n = 0);
+
+  // void autoCalibrate(void);
+
+private:
+  void writeRegister8(uint8_t reg, uint8_t val);
+  uint8_t readRegister8(uint8_t reg);
+
+  void readData(void);
+  uint8_t touches;
+  uint16_t touchX[2], touchY[2], touchID[2];
+};