_ACEDCB Struct Reference

ACE device control block structure. More...

#include <dev/tlc16c550.h>

Collaboration diagram for _ACEDCB:

Data Fields
NUTDEVICE *	dev_next
	pointer to the next device, used if more devices share the same interrupt
uint32_t	dcb_rtimeout
	Read timeout.
uint32_t	dcb_wtimeout
	Write timeout.
HANDLE	dcb_tx_rdy
	Queue of threads waiting for output buffer empty.
HANDLE	dcb_rx_rdy
	Queue of threads waiting for a character in the input buffer.
uint32_t	dcb_modeflags
	Mode flags.
uint8_t	dcb_rfifo
	Level of the fifo trigger, 0 if no fifo.
uint8_t	dcb_wfifo
	Free space in the output fifo since the last write operation.

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Detailed Description

ACE device control block structure.

Definition at line 163 of file tlc16c550.h.

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Field Documentation

NUTDEVICE* _ACEDCB::dev_next

pointer to the next device, used if more devices share the same interrupt

Definition at line 165 of file tlc16c550.h.

Referenced by AceInit().

uint32_t _ACEDCB::dcb_rtimeout

Read timeout.

Definition at line 169 of file tlc16c550.h.

Referenced by AceInput(), and AceIOCtl().

uint32_t _ACEDCB::dcb_wtimeout

Write timeout.

Definition at line 173 of file tlc16c550.h.

Referenced by AceIOCtl().

HANDLE _ACEDCB::dcb_tx_rdy

Queue of threads waiting for output buffer empty.

Threads are added to this queue when calling ACEAvrFlush().

Definition at line 179 of file tlc16c550.h.

Referenced by AceFlush(), and AceIOCtl().

HANDLE _ACEDCB::dcb_rx_rdy

Queue of threads waiting for a character in the input buffer.

Threads are added to this queue when calling ACEAvrInput().

Definition at line 185 of file tlc16c550.h.

Referenced by AceInput().

uint32_t _ACEDCB::dcb_modeflags

Mode flags.

Definition at line 189 of file tlc16c550.h.

Referenced by AceInit(), AceIOCtl(), AceOpen(), AceOutput(), AcePut(), and AceRead().

uint8_t _ACEDCB::dcb_rfifo

Level of the fifo trigger, 0 if no fifo.

Definition at line 193 of file tlc16c550.h.

Referenced by AceInit(), and AceIOCtl().

uint8_t _ACEDCB::dcb_wfifo

Free space in the output fifo since the last write operation.

Definition at line 197 of file tlc16c550.h.

Referenced by AceInit(), AceIOCtl(), and AceOutput().

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

• include/dev/tlc16c550.h