Adafruit_TFTShield18.h

#ifndef _TFT_SHIELD_18_H
#define _TFT_SHIELD_18_H

#include "Adafruit_seesaw.h"

#define TFTSHIELD_ADDR 0x2E
#define TFTSHIELD_RESET_PIN 3

#define TFTSHIELD_BACKLIGHT_ON 0xFFFF
#define TFTSHIELD_BACKLIGHT_OFF 0x0000

#define TFTSHIELD_BUTTON_UP_PIN 5
#define TFTSHIELD_BUTTON_UP (1UL << TFTSHIELD_BUTTON_UP_PIN)

#define TFTSHIELD_BUTTON_DOWN_PIN 8
#define TFTSHIELD_BUTTON_DOWN (1UL << TFTSHIELD_BUTTON_DOWN_PIN)

#define TFTSHIELD_BUTTON_LEFT_PIN 6
#define TFTSHIELD_BUTTON_LEFT (1UL << TFTSHIELD_BUTTON_LEFT_PIN)

#define TFTSHIELD_BUTTON_RIGHT_PIN 9
#define TFTSHIELD_BUTTON_RIGHT (1UL << TFTSHIELD_BUTTON_RIGHT_PIN)

#define TFTSHIELD_BUTTON_IN_PIN 7
#define TFTSHIELD_BUTTON_IN (1UL << TFTSHIELD_BUTTON_IN_PIN)

#define TFTSHIELD_BUTTON_1_PIN 10
#define TFTSHIELD_BUTTON_1 (1UL << TFTSHIELD_BUTTON_1_PIN)

#define TFTSHIELD_BUTTON_2_PIN 11
#define TFTSHIELD_BUTTON_2 (1UL << TFTSHIELD_BUTTON_2_PIN)

#define TFTSHIELD_BUTTON_3_PIN 14
#define TFTSHIELD_BUTTON_3 (1UL << TFTSHIELD_BUTTON_3_PIN)

#define TFTSHIELD_BUTTON_ALL                                                   \
  (TFTSHIELD_BUTTON_UP | TFTSHIELD_BUTTON_DOWN | TFTSHIELD_BUTTON_LEFT |       \
   TFTSHIELD_BUTTON_RIGHT | TFTSHIELD_BUTTON_IN | TFTSHIELD_BUTTON_1 |         \
   TFTSHIELD_BUTTON_2 | TFTSHIELD_BUTTON_3)

/**************************************************************************/
/*!
    @brief  Class that stores state and functions for interacting with 1.8" tft
   shield variant of seesaw helper IC
*/
/**************************************************************************/
class Adafruit_TFTShield18 : public Adafruit_seesaw {
public:
  Adafruit_TFTShield18(){};
  ~Adafruit_TFTShield18(){};

  bool begin(uint8_t addr = TFTSHIELD_ADDR, int8_t flow = -1);

  void setBacklight(uint16_t value);
  void setBacklightFreq(uint16_t freq);
  void tftReset(bool rst = true);
  uint32_t readButtons();
};

#endif