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支持PC机的各种端口的读写,包括,并口,串口,USB,-Support a variety of PC-to read and write ports, including parallel, serial, USB, etc.
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Xilinx USB JTAG 下載端程式
-The jtag_logic.vhd in this directory describes the logic for a parallel-serial converter
to be connected to a FT245BM USB chip from FTDI Inc
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CH341是一个USB总线的转接芯片,通过USB总线提供串口、打印口或者并口。
在串口方式下,CH341提供串口发送使能、串口接收就绪等交互式的速率控制信号以
及常用的MODEM联络信号,用于将普通的串口设备直接升级到USB总线。 -CH341 is a USB bus adapter chips, provided through the USB serial bus, printer port or parallel port. In serial mode, CH341 Send
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USB设备种类比较多,也比较特殊,不同厂商的硬件不同,控制软件也不尽相同(我想主要是ICTL码不同,也不容易查到)。使得访问USB口的设备不象串口并口那么方便。这个例程只是展示了访问的基本方法。其中还有些问题还没有解决,发出来希望大家解决之后能通知我或者发表出来。
参考了USBPort,USBview等代码,一并致谢。
-USB devices are more species, but also rather special, different hardware from dif
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Designing and programming a USB mass-storage device or embedded USB
host involves a variety of interfaces, protocols, and structures.
Every USB mass-storage device must support two interfaces:
• A USB device interface to enable the device
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