callisto/display/oled_display.py

from PIL import Image, ImageDraw
import adafruit_ssd1306
import board
import busio

class OLEDDisplay:
    def __init__(self):
        i2c = busio.I2C(board.SCL, board.SDA)
        self.display = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c)
        self.display.fill(0)
        self.display.show()
        self.image = Image.new("1", (self.display.width, self.display.height))
        self.draw = ImageDraw.Draw(self.image)

    def clear(self):
        self.draw.rectangle((0, 0, self.display.width, self.display.height), outline=0, fill=0)

    def render(self):
        self.display.image(self.image)
        self.display.show()