实现多个二维码同时识别定位怎么更改，求指教

[na3m]

import sensor, image, time
from pyb import UART
import json

black_threshold = (0, 20, -18, 127, -8, 22)      #black
green_threshold = (0, 70, -128, -28, 22, 127)  #green
red_threshold =   (0, 50, -128, 127, 12, 127) #red
thresholds = (0,0,50,50)
QRCode_1="www.xt.com";
QRCode_2="www.gym.com";
QRCode_3="www.gyt.com";
QRCode_4="www.jgz.com";
QRCode_5="www.njs.com";

qr = 0
a = 1

sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QQVGA)
sensor.skip_frames(time = 2000)
sensor.set_auto_gain(False) # must be turned off for color tracking
sensor.set_auto_whitebal(False) # must be turned off for color tracking
clock = time.clock()

uart = UART(3, 115200)


#识别二维码
while(a):
    clock.tick()
    img = sensor.snapshot()
    img.lens_corr(1.8) # 1.8的强度参数对于2.8mm镜头来说是不错的。
    for code in img.find_qrcodes():
        img.draw_rectangle(code.rect(), color = (255, 0, 0))
        if code.payload() == QRCode_1 :
            qr=1;

        elif code.payload() == QRCode_2 :
            qr=2;

        elif code.payload() == QRCode_3 :
            qr=3;

        elif code.payload() == QRCode_4 :
            qr=4;


        else :
            qr=5;

        

        print("二维码",code)
        print(qr)
        output_str="%d,%d,%d,%d,%d" % (code.x(), code.y(),code.w(),code.h(),qr)

        uart.write(output_str+'\r\n')

[kidswong999]

你的代码有什么问题？

[na3m]

代码没问题，不知道如何同时识别多个二维码

[kidswong999]

@na3m 你的代码已经可以同时识别多个二维码啊