import sensor, image, time,pyb
sensor.reset()
sensor.set_pixformat(sensor.RGB565) # 灰度更快
sensor.set_framesize(sensor.QQVGA)
sensor.skip_frames(time = 2000)
clock = time.clock()
p = pyb.Pin("P0", pyb.Pin.OUT_PP)
while(True):
clock.tick()
#lens_corr(1.8)畸变矫正
img = sensor.snapshot().lens_corr(1.8)
circles = img.find_circles(threshold = 3200, x_margin = 10, y_margin = 10, r_margin = 10,r_min = 2, r_max = 100, r_step = 2)
for c in circles:
img.draw_circle(c.x(), c.y(), c.r(), color = (255, 0, 0))
print(c)
if circles:
p.high()
else:
p.low()
print("FPS %f" % clock.fps())