// Pin selections here are based on the original Adafruit Learning System
 // guide for the Teensy 3.x project.  Some of these pin numbers don't even
 // exist on the smaller SAMD M0 & M4 boards, so you may need to make other
 // selections:
 
 // GRAPHICS SETTINGS (appearance of eye) -----------------------------------
 
 // If using a SINGLE EYE, you might want this next line enabled, which
 // uses a simpler "football-shaped" eye that's left/right symmetrical.
 // Default shape includes the caruncle, creating distinct left/right eyes.
 
 //#define SYMMETRICAL_EYELID
 
 // Enable ONE of these #includes -- HUGE graphics tables for various eyes:
 #include "data/defaultEye.h"      // Standard human-ish hazel eye -OR-
 //#include "data/dragonEye.h"     // Slit pupil fiery dragon/demon eye -OR-
 //#include "data/noScleraEye.h"   // Large iris, no sclera -OR-
 //#include "data/goatEye.h"       // Horizontal pupil goat/Krampus eye -OR-
 //#include "data/newtEye.h"       // Eye of newt -OR-
 //#include "data/terminatorEye.h" // Git to da choppah!
 //#include "data/catEye.h"        // Cartoonish cat (flat "2D" colors)
 //#include "data/owlEye.h"        // Minerva the owl (DISABLE TRACKING)
 //#include "data/naugaEye.h"      // Nauga googly eye (DISABLE TRACKING)
 //#include "data/doeEye.h"        // Cartoon deer eye (DISABLE TRACKING)
 
 // DISPLAY HARDWARE SETTINGS (screen type & connections) -------------------
 #define TFT_COUNT 2        // Number of screens (1 or 2)
 #define TFT1_CS 22         // TFT 1 chip select pin (set to -1 to use TFT_eSPI setup)
 #define TFT2_CS 21         // TFT 2 chip select pin (set to -1 to use TFT_eSPI setup)
 #define TFT_1_ROT 1        // TFT 1 rotation
 #define TFT_2_ROT 3        // TFT 2 rotation
 #define EYE_1_XPOSITION  0 // x shift for eye 1 image on display
 #define EYE_2_XPOSITION  0 // x shift for eye 2 image on display
 
 #define DISPLAY_BACKLIGHT  -1 // Pin for backlight control (-1 for none)
 #define BACKLIGHT_MAX    255
 
 // EYE LIST ----------------------------------------------------------------
 #define NUM_EYES 2 // Number of eyes to display (1 or 2)
 
 #define BLINK_PIN   -1 // Pin for manual blink button (BOTH eyes)
 #define LH_WINK_PIN -1 // Left wink pin (set to -1 for no pin)
 #define RH_WINK_PIN -1 // Right wink pin (set to -1 for no pin)
 
 // This table contains ONE LINE PER EYE.  The table MUST be present with
 // this name and contain ONE OR MORE lines.  Each line contains THREE items:
 // a pin number for the corresponding TFT/OLED display's SELECT line, a pin
 // pin number for that eye's "wink" button (or -1 if not used), a screen
 // rotation value (0-3) and x position offset for that eye.
 
 #if (NUM_EYES == 2)
   eyeInfo_t eyeInfo[] = {
     { TFT1_CS, LH_WINK_PIN, TFT_1_ROT, EYE_1_XPOSITION }, // LEFT EYE chip select and wink pins, rotation and offset
     { TFT2_CS, RH_WINK_PIN, TFT_2_ROT, EYE_2_XPOSITION }, // RIGHT EYE chip select and wink pins, rotation and offset
   };
 #else
   eyeInfo_t eyeInfo[] = {
     { TFT1_CS, LH_WINK_PIN, TFT_1_ROT, EYE_1_XPOSITION }, // EYE chip select and wink pins, rotation and offset
   };
 #endif
 
 // INPUT SETTINGS (for controlling eye motion) -----------------------------
 
 // JOYSTICK_X_PIN and JOYSTICK_Y_PIN specify analog input pins for manually
 // controlling the eye with an analog joystick.  If set to -1 or if not
 // defined, the eye will move on its own.
 // IRIS_PIN speficies an analog input pin for a photocell to make pupils
 // react to light (or potentiometer for manual control).  If set to -1 or
 // if not defined, the pupils will change on their own.
 // BLINK_PIN specifies an input pin for a button (to ground) that will
 // make any/all eyes blink.  If set to -1 or if not defined, the eyes will
 // only blink if AUTOBLINK is defined, or if the eyeInfo[] table above
 // includes wink button settings for each eye.
 
 //#define JOYSTICK_X_PIN A0 // Analog pin for eye horiz pos (else auto)
 //#define JOYSTICK_Y_PIN A1 // Analog pin for eye vert position (")
 //#define JOYSTICK_X_FLIP   // If defined, reverse stick X axis
 //#define JOYSTICK_Y_FLIP   // If defined, reverse stick Y axis
 #define TRACKING            // If defined, eyelid tracks pupil
 #define AUTOBLINK           // If defined, eyes also blink autonomously
 
 //  #define LIGHT_PIN      -1 // Light sensor pin
   #define LIGHT_CURVE  0.33 // Light sensor adjustment curve
   #define LIGHT_MIN       0 // Minimum useful reading from light sensor
   #define LIGHT_MAX    1023 // Maximum useful reading from sensor
 
 #define IRIS_SMOOTH         // If enabled, filter input from IRIS_PIN
 #if !defined(IRIS_MIN)      // Each eye might have its own MIN/MAX
   #define IRIS_MIN       90 // Iris size (0-1023) in brightest light
 #endif
 #if !defined(IRIS_MAX)
   #define IRIS_MAX      130 // Iris size (0-1023) in darkest light
 #endif

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