libcsupport/src/termios_baud2index.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  *  @file
0005  *
0006  *  @brief Convert Bxxx Constant to Index
0007  *  @ingroup TermiostypesSupport
0008  */
0009
0010 /*
0011  *  COPYRIGHT (c) 1989-2008.
0012  *  On-Line Applications Research Corporation (OAR).
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  */
0035
0036 #ifdef HAVE_CONFIG_H
0037 #include "config.h"
0038 #endif
0039
0040 #include <termios.h>
0041 #include <rtems/termiostypes.h>
0042
0043 int rtems_termios_baud_to_index(
0044   rtems_termios_baud_t termios_baud
0045 )
0046 {
0047   int baud_index;
0048
0049   switch (termios_baud) {
0050     case B0:        baud_index =  0;  break;
0051     case B50:       baud_index =  1;  break;
0052     case B75:       baud_index =  2;  break;
0053     case B110:      baud_index =  3;  break;
0054     case B134:      baud_index =  4;  break;
0055     case B150:      baud_index =  5;  break;
0056     case B200:      baud_index =  6;  break;
0057     case B300:      baud_index =  7;  break;
0058     case B600:      baud_index =  8;  break;
0059     case B1200:     baud_index =  9;  break;
0060     case B1800:     baud_index = 10;  break;
0061     case B2400:     baud_index = 11;  break;
0062     case B4800:     baud_index = 12;  break;
0063     case B9600:     baud_index = 13;  break;
0064     case B19200:    baud_index = 14;  break;
0065     case B38400:    baud_index = 15;  break;
0066     case B7200:     baud_index = 16;  break;
0067     case B14400:    baud_index = 17;  break;
0068     case B28800:    baud_index = 18;  break;
0069     case B57600:    baud_index = 19;  break;
0070     case B76800:    baud_index = 20;  break;
0071     case B115200:   baud_index = 21;  break;
0072     case B230400:   baud_index = 22;  break;
0073     case B460800:   baud_index = 23;  break;
0074     case B921600:   baud_index = 24;  break;
0075     default:        baud_index = -1;  break;
0076   }
0077
0078   return baud_index;
0079 }