kopia lustrzana https://github.com/pimoroni/pimoroni-pico
45 wiersze
1.1 KiB
Python
45 wiersze
1.1 KiB
Python
import st7789
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import qrcode
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# Set the display resolution
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# in most cases you can swap WIDTH weith HEIGHT for portrait mode
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WIDTH, HEIGHT = 240, 135 # Pico Display
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# WIDTH, HEIGHT = 320, 240 # Pico Display 2.0
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display = st7789.ST7789(WIDTH, HEIGHT, rotate180=False)
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def measure_qr_code(size, code):
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w, h = code.get_size()
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module_size = int(size / w)
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return module_size * w, module_size
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def draw_qr_code(ox, oy, size, code):
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size, module_size = measure_qr_code(size, code)
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display.set_pen(128, 128, 128)
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display.rectangle(ox, oy, size, size)
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display.set_pen(0, 0, 0)
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for x in range(size):
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for y in range(size):
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if code.get_module(x, y):
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display.rectangle(ox + x * module_size, oy + y * module_size, module_size, module_size)
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code = qrcode.QRCode()
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code.set_text("shop.pimoroni.com")
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display.set_pen(128, 128, 128)
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display.clear()
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display.set_pen(0, 0, 0)
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size, module_size = measure_qr_code(HEIGHT, code)
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left = int((WIDTH // 2) - (size // 2))
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top = int((HEIGHT // 2) - (size // 2))
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draw_qr_code(left, top, HEIGHT, code)
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display.update()
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while True:
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pass
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