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Download WinDriver USB v8.02 User's Guide
Transcript
E.1 Firmware Library API 330 E.1.3.6 WDF_GetEPByteCount() P URPOSE • Gets the current bytes count of an endpoint’s FIFO (First In First Out) buffer. This function should be called before calling WDF_FIFORead() [E.1.3.11] to read from the endpoint’s FIFO buffer, in order to determine the amount of bytes to read. P ROTOTYPE UINT WDF_GetEPByteCount (BYTE bEp ) ; PARAMETERS Name ➢ bEp Type BYTE D ESCRIPTION Name bEp Description Endpoint address [E.1.2.1] R ETURN VALUE Returns the endpoint’s FIFO bytes count. Input/Output Input
