From 47fa99c4a804956d537a3570587c59ecfb589717 Mon Sep 17 00:00:00 2001 From: patacongo Date: Wed, 1 Feb 2012 16:17:12 +0000 Subject: Add tcsetattr and tcgetattr git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4355 7fd9a85b-ad96-42d3-883c-3090e2eb8679 --- nuttx/lib/termios/Make.defs | 40 +++++++++++++ nuttx/lib/termios/lib_tcgetattr.c | 93 +++++++++++++++++++++++++++++ nuttx/lib/termios/lib_tcsetattr.c | 122 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 255 insertions(+) create mode 100644 nuttx/lib/termios/Make.defs create mode 100644 nuttx/lib/termios/lib_tcgetattr.c create mode 100644 nuttx/lib/termios/lib_tcsetattr.c (limited to 'nuttx/lib/termios') diff --git a/nuttx/lib/termios/Make.defs b/nuttx/lib/termios/Make.defs new file mode 100644 index 000000000..0ad3b5c3a --- /dev/null +++ b/nuttx/lib/termios/Make.defs @@ -0,0 +1,40 @@ +############################################################################ +# lib/misc/Make.defs +# +# Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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. +# +############################################################################ + +TERMIOS_SRCS = + +ifneq ($(CONFIG_NFILE_DESCRIPTORS),0) +TERMIOS_SRCS += lib_tcgetattr.c lib_tcsetattr.c +endif diff --git a/nuttx/lib/termios/lib_tcgetattr.c b/nuttx/lib/termios/lib_tcgetattr.c new file mode 100644 index 000000000..a267b3f2f --- /dev/null +++ b/nuttx/lib/termios/lib_tcgetattr.c @@ -0,0 +1,93 @@ +/**************************************************************************** + * lib/termios/lib_tcgetattr.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 + +#include + +#include +#include + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Variables + ****************************************************************************/ + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: tcgetattr + * + * Descripton: + * The tcgetattr() function gets the parameters associated with the + * terminal referred to by 'fd' and stores them in the termios structure + * referenced by 'termiosp'. + * + * Input Parameters: + * fd - The 'fd' argument is an open file descriptor associated with a terminal. + * termiosp - The termiosp argument is a pointer to a termios structure. + * + * Returned Value: + * Upon successful completion, 0 is returned. Otherwise, -1 is returned and + * errno is set to indicate the error. The following errors may be reported: + * + * - EBADF: The 'fd' argument is not a valid file descriptor. + * - ENOTTY: The file associated with 'fd' is not a terminal. + * + ****************************************************************************/ + +int tcgetattr(int fd, FAR struct termios *termiosp) +{ + return ioctl(fd, TCGETS, (unsigned long)termiosp); +} diff --git a/nuttx/lib/termios/lib_tcsetattr.c b/nuttx/lib/termios/lib_tcsetattr.c new file mode 100644 index 000000000..636fd3461 --- /dev/null +++ b/nuttx/lib/termios/lib_tcsetattr.c @@ -0,0 +1,122 @@ +/**************************************************************************** + * lib/termios/lib_tcsetattr.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 + +#include + +#include +#include + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Variables + ****************************************************************************/ + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: tcsetattr + * + * Descripton: + * The tcsetattr() function sets the parameters associated with the + * terminal referred to by the open file descriptor 'fd' from the termios + * structure referenced by 'termiop' as follows: + * + * If 'options' is TCSANOW, the change will occur immediately. + * + * If 'options' is TCSADRAIN, the change will occur after all output + * written to 'fd' is transmitted. This function should be used when changing + * parameters that affect output. + * + * If 'options' is TCSAFLUSH, the change will occur after all + * output written to 'fd' is transmitted, and all input so far received but + * not read will be discarded before the change is made. + * + * The tcsetattr() function will return successfully if it was able to + * perform any of the requested actions, even if some of the requested + * actions could not be performed. It will set all the attributes that + * implementation supports as requested and leave all the attributes not + * supported by the implementation unchanged. If no part of the request + * can be honoured, it will return -1 and set errno to EINVAL. + * + * The effect of tcsetattr() is undefined if the value of the termios + * structure pointed to by 'termiop' was not derived from the result of + * a call to tcgetattr() on 'fd'; an application should modify only fields + * and flags defined by this specification between the call to tcgetattr() + * and tcsetattr(), leaving all other fields and flags unmodified. + * + * Returned Value: + * + * Upon successful completion, 0 is returned. Otherwise, -1 is returned + * and errno is set to indicate the error. The following errors may be + * reported: + * + * - EBADF: The 'fd' argument is not a valid file descriptor. + * - EINTR: A signal interrupted tcsetattr(). + * - EINVAL: The 'options' argument is not a supported value, or + * an attempt was made to change an attribute represented in the + * termios structure to an unsupported value. + * - ENOTTY: The file associated with 'fd' is not a terminal. + * + ****************************************************************************/ + +int tcsetattr(int fd, int options, FAR const struct termios *termiosp) +{ + if (options == TCSANOW) + { + return ioctl(fd, TCSETS, (unsigned long)termiosp); + } + return -ENOSYS; +} \ No newline at end of file -- cgit v1.2.3