ラズベリーパイと有機ELのSSD1306を用いて
作ったデジタル時計のプログラムです。画像の出力にはSSD1306とPILのライブラリ、時刻取得にはdatetimeを利用しています。
import board
import digitalio
from PIL import Image, ImageDraw, ImageFont
import adafruit_ssd1306
import datetime
import time
# Define the Reset Pin
oled_reset = digitalio.DigitalInOut(board.D4)
# Change these
# to the right size for your display!
WIDTH = 128
#HEIGHT = 32 # Change to 64 if needed
HEIGHT = 64 # Change to 64 if needed
# Use for I2C.
i2c = board.I2C()
oled = adafruit_ssd1306.SSD1306_I2C(WIDTH, HEIGHT, i2c, addr=0x3C, reset=oled_reset)
# Clear display.
oled.fill(0)
oled.show()
# Create blank image for drawing.
# Make sure to create image with mode '1' for 1-bit color.
image = Image.new("1", (oled.width, oled.height))
# Get drawing object to draw on image.
draw = ImageDraw.Draw(image)
# Draw a white background
draw.rectangle((0, 0, oled.width, oled.height), outline=0, fill=0)
# font.
font = ImageFont.truetype('FreeSans.ttf',25)
# Draw Some Text
while True:
today = datetime.datetime.now()
text = today.strftime('%H:%M:%S')
(font_width, font_height) = font.getsize(text)
draw.text(
(oled.width // 2 - font_width // 2, oled.height // 2 - font_height // 2),
text,
font=font,
fill=255,
)
#Display image
oled.image(image)
oled.show()
time.sleep(0.1)
draw.rectangle((0, 0, oled.width, oled.height), outline=0, fill=0)
