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USB终端的设置代码
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封锁键盘鼠标的源程序.zip 通过驱动的非底层程序
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usb firmware programming
usb固件编程―函数应用-usb firmware programming-function application
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杭州立宇泰的ARMSYS开发系统的USB例子，希望对大家有用
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用于ARM7 S3C44B0 CPU的USB C源程序内有使用说明。
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关于isp1161,usb芯片的开发
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USB Development (. Ppt) teaching materials
USB开发的(.ppt文件)讲课教材-USB Development (. Ppt) teaching materials
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2407上ucosii移植实现，值得参考
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USB设备
USB设备端固件程序,枚举部分是全部程序的基础和重心,只有主机对设备枚举成功后,主机才能和设备进行正常的通信
USB的枚举过程分为4个状态.
1.接入态
v主机检测到USB设备插上,击活端口,并发送复位命令(保持10ms)
2.默认态
v主机使用默认地址读取设备描述符 (GET_DESCRIPTOR)
v主机分配给设备一个总在线的唯一地址 (SET_ADDRESS)
3.地址态
v主机从新的地址获取设备描述符(GET_DESCRIPTOR)
v主机获取所有设备的配置描述符(GET_DESCRIPTOR)
4.配置态
v主机设置描述符(设备,配置) (SET_CONFIGURATION)
v主机读取配置状态(可选) (GET_CONFIGURATION)
v主机读取接口状态(可选) (GET_INTERFACE)
-USB device-side firmware, enumerate all part of the foundation and focus of the procedure, only the host of equipment after the successful enumeration, the host and equipment in order to engage in normal communication USB enumeration process is divided into four status. 1. Access state v host detected USB devices plug in, hit live ports, and send the reset command (to maintain 10ms) 2. default state v Use the default address of the host to read device descriptor (GET_DESCRIPTOR) v host assigned to the equipment of a total online only Address (SET_ADDRESS) 3. A
- 2022-01-21 17:52:38下载
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microsoft winusb interface for vb
microsoft winusb interface for vb
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