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

71 lines
2.9 KiB
C

/****************************************************************************
* libs/libc/termios/lib_cfmakeraw.c
*
* Copyright 2018 Sony Video & Sound Products Inc.
* Author: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <termios.h>
#include <assert.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: cfgetspeed
*
* 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);
termiosp->c_cflag &= ~(CSIZE | PARENB);
termiosp->c_cflag |= CS8;
}