Spac5xx的实现是按照标准的USB VIDEO设备的驱动框架编写（其具体的驱动框架可参照/usr/src/linux/drivers/usb/usbvideo.c文件），整个源程序由四个主体部分组成：设备模块的初始化模块和卸载模块，上层软件接口模块，数据传输模块。具体的模块分析如下-Spac5xx implementation is in accordance with the standard USB VIDEO device driver fr a mework of the preparation (which can refer to a specific driver fr a mework/usr/src/linux/drivers/usb/usbvideo.c file), the source consists of four main parts: equipment module initialization module and unload the module, the top software interface module, data transfer module. Specific modules as follows