esp-idf/components/newlib/termios.c

55 wiersze
1.2 KiB
C

// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "sdkconfig.h"
#ifdef CONFIG_VFS_SUPPORT_TERMIOS
#include <sys/termios.h>
#include <sys/errno.h>
speed_t cfgetispeed(const struct termios *p)
{
return p ? p->c_ispeed : B0;
}
speed_t cfgetospeed(const struct termios *p)
{
return p ? p->c_ospeed : B0;
}
int cfsetispeed(struct termios *p, speed_t sp)
{
if (p) {
p->c_ispeed = sp;
return 0;
} else {
errno = EINVAL;
return -1;
}
}
int cfsetospeed(struct termios *p, speed_t sp)
{
if (p) {
p->c_ospeed = sp;
return 0;
} else {
errno = EINVAL;
return -1;
}
}
#endif // CONFIG_VFS_SUPPORT_TERMIOS