运行后一扫到二维码就出现错误 oseeor: Not enough positional arguments!
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# QRCode Example # # This example shows the power of the OpenMV Cam to detect QR Codes # using lens correction (see the qrcodes_with_lens_corr.py script for higher performance). import sensor, image, time,lcd sensor.reset() sensor.set_pixformat(sensor.RGB565) sensor.set_framesize(sensor.QVGA) sensor.skip_frames(time = 2000) sensor.set_auto_gain(False) # must turn this off to prevent image washout... clock = time.clock() lcd.init() # Initialize the lcd screen. while(True): clock.tick() img = sensor.snapshot() img.lens_corr(1.8) # strength of 1.8 is good for the 2.8mm lens. for code in img.find_qrcodes(): img.draw_rectangle(code.rect(), color = (255, 0, 0)) print(code) img.draw_string(code.payload()) lcd.display(img) print(clock.fps())
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img.draw_string(code.payload())函数调用的不对啊。要给一个字的坐标。
参考,http://book.openmv.cc/example/03-Drawing/text-drawing.html