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usb receive main program c
usb receive main program c
- 2022-02-12 04:29:55下载
- 积分:1
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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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usb development documents, a very valuable reference for a detailed account of t...
usb 的开发文档,非常有参考价值 详细讲述了CY7C68013的开发过程-usb development documents, a very valuable reference for a detailed account of the development process CY7C68013
- 2022-08-13 10:41:18下载
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这个USB 3规范的PDF。
This USB 3.0 Specification pdf.
-This is USB 3.0 Specification pdf.
- 2022-09-02 03:05:04下载
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keyword:usb host sl8
keyword:usb host sl8
- 2022-03-20 18:56:43下载
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LabVIEW7.1编的程序,通过计算机的USB接口控制振荡器…
用labview7.1编的程序,可以通过计算机控制usb接口的示波器,可以直接发指令取得波形以及频率幅度等参数-labview7.1 series with the procedures through computer control usb interface oscilloscopes he can issue instructions and made waveform parameters such as frequency range!
- 2022-02-14 12:11:46下载
- 积分:1
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波形发生器isotransferloader
波形发生器isotransferloader-waveform generator isotransferloader
- 2022-01-22 06:54:37下载
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使用VB语言和USB通信的一个实例
使用VB语言和USB通信的一个实例-an example of corresponding using VB language and USB.
- 2022-06-29 11:51:05下载
- 积分:1
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USB开发大全英文原版,包括各种传输模式的描述和otg
USB开发大全英文原版,包括各种传输模式的描述和otg-Encyclopedia of the English original USB development, including a description of a variety of transmission modes and OTG
- 2022-03-29 21:17:50下载
- 积分:1
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通过USB通信程序pusbd12
samsung 44b0X通过pusbd12的usb通讯程序-pusbd12 through the USB Communication Program
- 2023-08-12 06:35:03下载
- 积分:1