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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2025 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* Web Page: http://brltty.app/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#include "prologue.h"
#include <errno.h>
#include "serial_none.h"
#include "serial_internal.h"
BEGIN_SERIAL_BAUD_TABLE
END_SERIAL_BAUD_TABLE
void
serialPutInitialAttributes (SerialAttributes *attributes) {
}
int
serialPutSpeed (SerialAttributes *attributes, SerialSpeed speed) {
return 0;
}
int
serialPutDataBits (SerialAttributes *attributes, unsigned int bits) {
return 0;
}
int
serialPutStopBits (SerialAttributes *attributes, SerialStopBits bits) {
return 0;
}
int
serialPutParity (SerialAttributes *attributes, SerialParity parity) {
return 0;
}
SerialFlowControl
serialPutFlowControl (SerialAttributes *attributes, SerialFlowControl flow) {
return flow;
}
int
serialPutModemState (SerialAttributes *attributes, int enabled) {
return 0;
}
unsigned int
serialGetDataBits (const SerialAttributes *attributes) {
return 8;
}
unsigned int
serialGetStopBits (const SerialAttributes *attributes) {
return 1;
}
unsigned int
serialGetParityBits (const SerialAttributes *attributes) {
return 0;
}
int
serialGetAttributes (SerialDevice *serial, SerialAttributes *attributes) {
errno = ENOSYS;
return 0;
}
int
serialPutAttributes (SerialDevice *serial, const SerialAttributes *attributes) {
errno = ENOSYS;
return 0;
}
int
serialCancelInput (SerialDevice *serial) {
return 1;
}
int
serialCancelOutput (SerialDevice *serial) {
return 1;
}
int
serialMonitorInput (SerialDevice *serial, AsyncMonitorCallback *callback, void *data) {
return 0;
}
int
serialPollInput (SerialDevice *serial, int timeout) {
errno = EAGAIN;
return 0;
}
int
serialDrainOutput (SerialDevice *serial) {
return 1;
}
ssize_t
serialGetData (
SerialDevice *serial,
void *buffer, size_t size,
int initialTimeout, int subsequentTimeout
) {
errno = ENOSYS;
return -1;
}
ssize_t
serialPutData (
SerialDevice *serial,
const void *data, size_t size
) {
errno = ENOSYS;
return -1;
}
int
serialGetLines (SerialDevice *serial) {
errno = ENOSYS;
return 0;
}
int
serialPutLines (SerialDevice *serial, SerialLines high, SerialLines low) {
errno = ENOSYS;
return 0;
}
int
serialRegisterWaitLines (SerialDevice *serial, SerialLines lines) {
return 1;
}
int
serialMonitorWaitLines (SerialDevice *serial) {
return 0;
}
int
serialConnectDevice (SerialDevice *serial, const char *device) {
errno = ENOENT;
return 0;
}
void
serialDisconnectDevice (SerialDevice *serial) {
}
int
serialEnsureFileDescriptor (SerialDevice *serial) {
return 1;
}
void
serialClearError (SerialDevice *serial) {
}
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