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Merge pull request #319 from jedgarpark/all-seeing-skull
first commit All Seeing Skull code
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‎All_Seeing_Skull/All_Seeing_Skull.ino

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‎All_Seeing_Skull/README.md

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# All_Seeing_Skull
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'Uncanny eyes' for Adafruit 1.5" OLED (product #1431) or 1.44" TFT LCD (#2088). Works on PJRC Teensy 3.x and on Adafruit M0 and M4 boards (Feather, Metro, etc.), and HalloWing M0 Express. This code uses features specific to these boards and WILL NOT work on normal Arduino or other boards!
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This version is configured for the HalloWing. https://learn.adafruit.com/hallowing-all-seeing-skull/overview
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Original project How-to guide with parts list and 3D models is here:
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https://learn.adafruit.com/animated-electronic-eyes-using-teensy-3-1/overview
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Teensy 3.x w/OLED screens: use 72 MHz board speed -- 96 MHz requires throttling back SPI bitrate and actually runs slower!
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Directory contains Arduino sketch for Adafruit HalloWing M0. 'graphics' subfolder has various eye designs, as #include-able header files.
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Folder 'convert' contains Python sketch for generating graphics header files. Requires Python Imaging Library. Example images are also in this directory.

‎All_Seeing_Skull/config.h

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// Pin selections here are based on the original Adafruit Learning System
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// guide for the Teensy 3.x project. Some of these pin numbers don't even
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// exist on the smaller SAMD M0 & M4 boards, so you may need to make other
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// selections:
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// GRAPHICS SETTINGS (appearance of eye) -----------------------------------
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// If using a SINGLE EYE, you might want this next line enabled, which
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// uses a simpler "football-shaped" eye that's left/right symmetrical.
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// Default shape includes the caruncle, creating distinct left/right eyes.
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#ifdef ADAFRUIT_HALLOWING // Hallowing, with one eye, does this by default
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//#define SYMMETRICAL_EYELID
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#else // Otherwise your choice, standard is asymmetrical
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//#define SYMMETRICAL_EYELID
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#endif
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// Enable ONE of these #includes -- HUGE graphics tables for various eyes:
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#include "graphics/defaultEye.h" // Standard human-ish hazel eye -OR-
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//#include "graphics/dragonEye.h" // Slit pupil fiery dragon/demon eye -OR-
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//#include "graphics/noScleraEye.h" // Large iris, no sclera -OR-
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//#include "graphics/goatEye.h" // Horizontal pupil goat/Krampus eye -OR-
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//#include "graphics/newtEye.h" // Eye of newt
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// Optional: enable this line for startup logo (screen test/orient):
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#if !defined ADAFRUIT_HALLOWING // Hallowing can't always fit logo+eye
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#include "graphics/logo.h" // Otherwise your choice, if it fits
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#endif
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// EYE LIST ----------------------------------------------------------------
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// This table contains ONE LINE PER EYE. The table MUST be present with
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// this name and contain ONE OR MORE lines. Each line contains THREE items:
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// a pin number for the corresponding TFT/OLED display's SELECT line, a pin
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// pin number for that eye's "wink" button (or -1 if not used), and a screen
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// rotation value (0-3) for that eye.
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eyeInfo_t eyeInfo[] = {
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#ifdef ADAFRUIT_HALLOWING
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{ 39, -1, 2 }, // SINGLE EYE display-select and wink pins, rotate 180
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#else
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{ 9, 0, 0 }, // LEFT EYE display-select and wink pins, no rotation
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{ 10, 2, 0 }, // RIGHT EYE display-select and wink pins, no rotation
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#endif
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};
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// DISPLAY HARDWARE SETTINGS (screen type & connections) -------------------
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#ifdef ADAFRUIT_HALLOWING
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#include <Adafruit_ST7735.h> // TFT display library
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#define DISPLAY_DC 38 // Display data/command pin
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#define DISPLAY_RESET 37 // Display reset pin
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#define DISPLAY_BACKLIGHT 7
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#define BACKLIGHT_MAX 128 // def 128
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#else
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// Enable ONE of these #includes to specify the display type being used
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#include <Adafruit_SSD1351.h> // OLED display library -OR-
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//#include <Adafruit_ST7735.h> // TFT display library (enable one only)
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#define DISPLAY_DC 7 // Data/command pin for ALL displays
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#define DISPLAY_RESET 8 // Reset pin for ALL displays
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#endif
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#if defined(_ADAFRUIT_ST7735H_) || defined(_ADAFRUIT_ST77XXH_)
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#define SPI_FREQ 24000000 // TFT: use max SPI (clips to 12 MHz on M0)
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#else // OLED
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#if !defined(ARDUINO_ARCH_SAMD) && (F_CPU <= 72000000)
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#define SPI_FREQ 24000000 // OLED: 24 MHz on 72 MHz Teensy only
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#else
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#define SPI_FREQ 12000000 // OLED: 12 MHz in all other cases
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#endif
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#endif
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// INPUT SETTINGS (for controlling eye motion) -----------------------------
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// JOYSTICK_X_PIN and JOYSTICK_Y_PIN specify analog input pins for manually
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// controlling the eye with an analog joystick. If set to -1 or if not
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// defined, the eye will move on its own.
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// IRIS_PIN speficies an analog input pin for a photocell to make pupils
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// react to light (or potentiometer for manual control). If set to -1 or
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// if not defined, the pupils will change on their own.
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// BLINK_PIN specifies an input pin for a button (to ground) that will
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// make any/all eyes blink. If set to -1 or if not defined, the eyes will
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// only blink if AUTOBLINK is defined, or if the eyeInfo[] table above
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// includes wink button settings for each eye.
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//#define JOYSTICK_X_PIN A0 // Analog pin for eye horiz pos (else auto)
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//#define JOYSTICK_Y_PIN A1 // Analog pin for eye vert position (")
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//#define JOYSTICK_X_FLIP // If defined, reverse stick X axis
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//#define JOYSTICK_Y_FLIP // If defined, reverse stick Y axis
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//#define TRACKING // If defined, eyelid tracks pupil
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#define BLINK_PIN 1 // Pin for manual blink button (BOTH eyes)
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//#define AUTOBLINK // If defined, eyes also blink autonomously
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#ifdef ADAFRUIT_HALLOWING //adjust min/max if inside a skull
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#define LIGHT_PIN A1 // Hallowing light sensor pin
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#define LIGHT_CURVE 0.33 // Light sensor adjustment curve
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#define LIGHT_MIN 30 // Minimum useful reading from light sensor def 30
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#define LIGHT_MAX 80 // Maximum useful reading from sensor def 980
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#else
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#define LIGHT_PIN A2 // Photocell or potentiometer (else auto iris)
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//#define LIGHT_PIN_FLIP // If defined, reverse reading from dial/photocell
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#define LIGHT_MIN 0 // Lower reading from sensor
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#define LIGHT_MAX 1023 // Upper reading from sensor
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#endif
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#define IRIS_SMOOTH // If enabled, filter input from IRIS_PIN
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#if !defined(IRIS_MIN) // Each eye might have its own MIN/MAX
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#define IRIS_MIN 120 // Iris size (0-1023) in brightest light
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#endif
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#if !defined(IRIS_MAX)
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#define IRIS_MAX 720 // Iris size (0-1023) in darkest light
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#endif
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//Adjust these offsets and ranges if inside a mask or skull eye socket
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#define eyeXOffset -150 // aim offset on x for autonomous move, default 0
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#define eyeYOffset 300 // aim offset on y, default 0
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#define eyeXRange 300 // Range of motion on x, full range is 1023
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#define eyeYRange 300 // Range of motion on y, full range is 1023

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