blob: d6dcd7f33d90c8cdfe2402ecb2b4bd34425807f4 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/*
* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/termiostypes.h>
void rtems_termios_set_best_baud(
struct termios *term,
uint32_t baud
)
{
const rtems_assoc_t *current = &rtems_termios_baud_table[ 0 ];
const rtems_assoc_t *last = current;
speed_t spd;
while ( current->name != NULL && current->local_value < baud ) {
last = current;
++current;
}
if ( current->name != NULL ) {
uint32_t mid = (last->local_value + current->local_value) / UINT32_C( 2 );
spd = baud <= mid ? last->remote_value : current->remote_value;
} else {
spd = B460800;
}
term->c_ispeed = spd;
term->c_ospeed = spd;
}
|