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本人正在研读prolific的usb转串口的驱动，在pl2303函数中首先是做了一些初始化操作，然后又submit了一次read urb和interrupt urb，代码如下：587 dbg(\"%s - submitting read urb\&quo...全文
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Levis75：Pls. pay attention to read_urb, Just send IN_TOKEN and INTERRUPT_TOKEN to client to get data. You know USB client is a passive device.(2005-08-01 14:13)
