Adafruit_FreeTouch.h

#ifndef ADAFRUIT_FREETOUCH_H
#define ADAFRUIT_FREETOUCH_H

#include "adafruit_ptc.h"
#include <Arduino.h>

class Adafruit_FreeTouch {
public:
  Adafruit_FreeTouch(int p = 0, oversample_t f = OVERSAMPLE_4,
                     series_resistor_t r = RESISTOR_0,
                     freq_mode_t fh = FREQ_MODE_NONE);
  bool begin(void);

  uint16_t measure(void);
  uint16_t measureRaw(void);

private:
  void ptcInitSettings(void);
  void ptcConfigIOpin(void);
  uint16_t startPtcAcquire(void);

  int getYLine(void);
  void selectYLine(void);
  void setOversampling(oversample_t lvl);
  void setSeriesResistor(series_resistor_t res);
  void setFreqHopping(freq_mode_t fh, freq_hop_t hops = FREQ_HOP_1);
  void setCompCap(uint16_t cc);
  void setIntCap(uint8_t ic);

  void snapshotRegsAndPrint(uint32_t base, uint8_t numregs);
  void printHex(uint8_t h, boolean newline);
  void printPTCregs(uint32_t base, uint8_t *regs, uint8_t num);

private:
  int pin; // arduino pin #
  struct adafruit_ptc_config config;
};

#endif