摄像头接到开始命令后开始采集图像，并将图像压缩为JPEG格式，摄像头采取分包传递的方式，每传递一个包后，只有上位机得到确认命令（即摄像头取图命令）后，摄像头才开始传下一个包，直到图像传递完成。-Camera after receiving the start command to capture images, and image compression for the JPEG format, camera to take sub-transmission mode, each passing a package, only confirmed the host computer command (Command of the camera to take), the camera began to pass down a package, until the image transfer completed.