import sensor, image, time


a = code.payload()



red_threshold   = ( 0, 100, 13, 127, 4, 63)#  已调整



sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QVGA)
sensor.skip_frames(time = 2000)
sensor.set_auto_gain(False)
clock = time.clock()

while():
    clock.tick()
    img = sensor.snapshot()
    img.lens_corr(1.8)#畸变矫正
    for code in img.find_qrcodes():
        img.draw_rectangle(code.rect(), color = (255, 0, 0))
        print(code)
        if a == '红色':
            break   




if  a == "code.payload":