36 lines
869 B
Python
36 lines
869 B
Python
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import badger2040
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import qrcode
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import time
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display = badger2040.Badger2040()
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code = qrcode.QRCode()
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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.pen(15)
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display.rectangle(ox, oy, size, size)
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display.pen(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.set_text("pimoroni.com/badger2040")
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size, _ = measure_qr_code(128, code)
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left = int((badger2040.WIDTH / 2) - (size / 2))
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top = int((badger2040.HEIGHT / 2) - (size / 2))
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draw_qr_code(left, top, 128, code)
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display.update()
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while True:
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time.sleep(1.0)
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