Python3.6打开EAIDK-610开发板(计算机通用)摄像头拍照并保存

环境：python3.6

代码：

import cv2
import os

output_dir ='/home/openailab/Desktop/huahui/came/'
i =
cap = cv2.VideoCapture()
while :
    ret, frame = cap.read()
    cv2.imshow('cap', frame)
    flag = cv2.waitKey()
    if flag == :#按下回车键
        output_path = os.path.join(output_dir,  "%04d.jpg" % i)
        cv2.imwrite(output_path, frame)
        i +=
    if flag == :#按下ESC键
        break

运行：python3 xxx.py