udc_fifo Struct Reference
[USB Device Controller (UDC)]

Internal state variables used by the FIFO accessors. More...

#include <udc_lib.h>

Data Fields
size_t	buf_offset
	Offset into the head buffer.
size_t	size
	Size of the FIFO aperture.
bool	send_zlp
	True if a Zero-Length Packet is to be sent by the UDC driver at the next opportunity.

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Detailed Description

Internal state variables used by the FIFO accessors.

Definition at line 107 of file udc_lib.h.

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Field Documentation

size_t udc_fifo::buf_offset

Offset into the head buffer.

Definition at line 108 of file udc_lib.h.

Referenced by udc_fifo_init(), udc_fifo_read_data(), and udc_fifo_write_data().

bool udc_fifo::send_zlp

True if a Zero-Length Packet is to be sent by the UDC driver at the next opportunity.

Todo:

This should be a request flag instead.

Definition at line 116 of file udc_lib.h.

Referenced by udc_fifo_init(), udc_fifo_write_data(), udc_fifo_zlp_clear_pending(), and udc_fifo_zlp_is_pending().

size_t udc_fifo::size

Size of the FIFO aperture.

Definition at line 109 of file udc_lib.h.

Referenced by udc_fifo_init(), and udc_fifo_write_data().

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The documentation for this struct was generated from the following file:

• include/usb/udc_lib.h