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45 lines
984 B
Python
45 lines
984 B
Python
import time
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from PIL import Image, ImageDraw, ImageFont
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import st7735
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MESSAGE = "Hello World! How are you today?"
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# Create ST7735 LCD display class.
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disp = st7735.ST7735(
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port=0,
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cs=st7735.BG_SPI_CS_FRONT, # BG_SPI_CSB_BACK or BG_SPI_CS_FRONT
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dc="GPIO9",
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backlight="GPIO19", # 18 for back BG slot, 19 for front BG slot.
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rotation=90,
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spi_speed_hz=10000000
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)
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# Initialize display.
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disp.begin()
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WIDTH = disp.width
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HEIGHT = disp.height
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img = Image.new('RGB', (WIDTH, HEIGHT), color=(0, 0, 0))
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draw = ImageDraw.Draw(img)
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font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf", 30)
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size_x, size_y = draw.textsize(MESSAGE, font)
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text_x = 160
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text_y = (80 - size_y) // 2
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t_start = time.time()
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while True:
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x = (time.time() - t_start) * 100
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x %= (size_x + 160)
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draw.rectangle((0, 0, 160, 80), (0, 0, 0))
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draw.text((int(text_x - x), text_y), MESSAGE, font=font, fill=(255, 255, 255))
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disp.display(img)
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