4,590
edits
Changes
→PostBufferAsync
The user-process must flush dcache for the buffer before using this command.
The user-process must flush dcache for the buffer before using this command.
When sending data where size is larger than wMaxPacketSize, it will automatically send multiple USB packets where last packet size = {remaining size}. Every {wMaxPacketSize}-bytes is a different packet.
For receiving data, if size is less than {actual received USB packet size} the rest of the packet will be discarded. Later PostBufferAsync cmd(s) will only return data from new packets, not the remainder of the earlier packet(s).
==== GetCompletionEvent ====
==== GetCompletionEvent ====