Browse Source
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4965 7fd9a85b-ad96-42d3-883c-3090e2eb8679sbg
3 changed files with 176 additions and 0 deletions
@ -0,0 +1,88 @@ |
|||||||
|
/****************************************************************************
|
||||||
|
* lib/termios/lib_cfgetispeed.c |
||||||
|
* |
||||||
|
* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
||||||
|
* Author: Gregory Nutt <gnutt@nuttx.org> |
||||||
|
* |
||||||
|
* 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> |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Pre-processor Definitions |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Variables |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Variables |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Functions |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Functions |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: cfgetispeed |
||||||
|
* |
||||||
|
* Descripton: |
||||||
|
* The cfgetispeed() function shall extract the input baud rate from the |
||||||
|
* termios structure to which the termios_p argument points. |
||||||
|
* |
||||||
|
* This function shall return exactly the value in the termios data |
||||||
|
* structure, without interpretation. |
||||||
|
* |
||||||
|
* NOTE: NuttX does not no control input/output baud rates independently |
||||||
|
* This function is *identical* to cfgetospeed |
||||||
|
* |
||||||
|
* Input Parameters: |
||||||
|
* termiosp - The termiosp argument is a pointer to a termios structure. |
||||||
|
* |
||||||
|
* Returned Value: |
||||||
|
* Baud value in the termios structure (not verified).
|
||||||
|
* |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
speed_t cfgetispeed(const struct termios *termios_p) |
||||||
|
{ |
||||||
|
DEBUGASSERT(termios_p); |
||||||
|
return (speed_t)((termios_p->c_cflag & CBAUD) >> _CBAUD_SHIFT); |
||||||
|
} |
@ -0,0 +1,88 @@ |
|||||||
|
/****************************************************************************
|
||||||
|
* lib/termios/lib_cfgetospeed.c |
||||||
|
* |
||||||
|
* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
||||||
|
* Author: Gregory Nutt <gnutt@nuttx.org> |
||||||
|
* |
||||||
|
* 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> |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Pre-processor Definitions |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Variables |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Variables |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Functions |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Functions |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: cfgetospeed |
||||||
|
* |
||||||
|
* Descripton: |
||||||
|
* The cfgetospeed() function shall extract the output baud rate from the |
||||||
|
* termios structure to which the termios_p argument points. |
||||||
|
* |
||||||
|
* This function shall return exactly the value in the termios data |
||||||
|
* structure, without interpretation. |
||||||
|
* |
||||||
|
* NOTE: NuttX does not no control input/output baud rates independently |
||||||
|
* This function is *identical* to cfgetispeed |
||||||
|
* |
||||||
|
* Input Parameters: |
||||||
|
* termiosp - The termiosp argument is a pointer to a termios structure. |
||||||
|
* |
||||||
|
* Returned Value: |
||||||
|
* Baud value in the termios structure (not verified).
|
||||||
|
* |
||||||
|
****************************************************************************/ |
||||||
|
|
||||||
|
speed_t cfgetospeed(const struct termios *termios_p) |
||||||
|
{ |
||||||
|
DEBUGASSERT(termios_p); |
||||||
|
return (speed_t)((termios_p->c_cflag & CBAUD) >> _CBAUD_SHIFT); |
||||||
|
} |
Loading…
Reference in new issue