incubator-nuttx/libs/libc/termios/lib_cfmakeraw.c

60 lines
2.2 KiB
C

/****************************************************************************
* libs/libc/termios/lib_cfmakeraw.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <termios.h>
#include <assert.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: cfmakeraw
*
* Description:
* The cfmakeraw() function is a non-POSIX function that sets the terminal
* to something like the "raw" mode.
*
* Input Parameters:
* termiosp - The termiosp argument is a pointer to a termios structure.
*
* Returned Value:
*
****************************************************************************/
void cfmakeraw(FAR struct termios *termiosp)
{
DEBUGASSERT(termiosp);
termiosp->c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP
| INLCR | IGNCR | ICRNL | IXON);
termiosp->c_oflag &= ~OPOST;
termiosp->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
#ifdef CONFIG_SERIAL_TERMIOS
termiosp->c_cflag &= ~(CSIZE | PARENB);
termiosp->c_cflag |= CS8;
#endif
}