2019-07-14 17:28发布
TOPCB 发表于 2018-9-24 18:05 楼主可以把工程传一下吗?USBD_CDC0_ACM_DataReceived这个查找一下,他到底是用来做什么的。
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void USBD_CDCn_ACM_DataReceived ( uint32_t len )
Function indicating new data was received by USB CDC class Device (Virtual COM Port)
Parameters
[in] len number of bytes available to read.
Returns
none.
The function USBD_CDCn_ACM_DataReceived notifies that there is newly received data available.
The argument len is number of bytes available to read. Modify this function to the application needs.
Note
Callback when new data is received on Bulk OUT Endpoint.
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