_IFSTREAM Struct Reference

Stream interface information structure. More...

#include <device.h>

Collaboration diagram for _IFSTREAM:

Data Fields
int(*	if_input )(NUTDEVICE *)
	Wait for input.
int(*	if_output )(NUTDEVICE *)
	Initiate output.
int(*	if_flush )(NUTDEVICE *)
	Wait until output buffer empty.
volatile uint8_t	if_rx_idx
	Next input index.
uint8_t	if_rd_idx
	Next read index.
volatile uint8_t	if_tx_idx
	Next output index.
uint8_t	if_wr_idx
	Next write index.
volatile uint8_t	if_tx_act
	Set if transmitter running.
uint8_t	if_last_eol
	Last end of line character read.
uint8_t	if_rx_buf [256]
	Input buffer.
uint8_t	if_tx_buf [256]
	Output buffer.

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Detailed Description

Stream interface information structure.

Deprecated structure. Device drivers should use the device control block.

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Field Documentation

int(* _IFSTREAM::if_input)(NUTDEVICE *)

Wait for input.

Referenced by AceInit(), and UartAvrInit().

int(* _IFSTREAM::if_output)(NUTDEVICE *)

Initiate output.

Referenced by AceInit(), and UartAvrInit().

int(* _IFSTREAM::if_flush)(NUTDEVICE *)

Wait until output buffer empty.

Referenced by AceInit(), and UartAvrInit().

volatile uint8_t _IFSTREAM::if_rx_idx

Next input index.

Referenced by AceInput(), AceRead(), AceSize(), UartAvrInput(), UartAvrRead(), and UartAvrSize().

uint8_t _IFSTREAM::if_rd_idx

Next read index.

Referenced by AceInput(), AceRead(), AceSize(), UartAvrInput(), UartAvrRead(), and UartAvrSize().

volatile uint8_t _IFSTREAM::if_tx_idx

Next output index.

Referenced by AceFlush(), AceIOCtl(), AceOutput(), AcePut(), UartAvrFlush(), UartAvrOutput(), and UartAvrPut().

uint8_t _IFSTREAM::if_wr_idx

Next write index.

Referenced by AceFlush(), AceIOCtl(), AceOutput(), AcePut(), UartAvrFlush(), UartAvrOutput(), and UartAvrPut().

volatile uint8_t _IFSTREAM::if_tx_act

Set if transmitter running.

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

uint8_t _IFSTREAM::if_last_eol

Last end of line character read.

Referenced by AceRead(), and UartAvrRead().

uint8_t _IFSTREAM::if_rx_buf[256]

Input buffer.

Referenced by AceRead(), and UartAvrRead().

uint8_t _IFSTREAM::if_tx_buf[256]

Output buffer.

Referenced by AceOutput(), AcePut(), UartAvrOutput(), and UartAvrPut().

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

• include/sys/device.h