_IFSTREAM Struct Reference
[Device I/O]

#include <device.h>

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Detailed Description

Stream interface information structure.

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

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

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