Function cfsetospeed

components/libc/posix/io/termios/termios.c:136–147

* @brief Sets the output baud rate in a termios structure. * @param tio Pointer to a struct termios where the output baud rate will be set. * @param speed Output baud rate to be set. * @return Upon successful completion, returns 0; otherwise, returns -1 and sets errno to indicate the error. * * @note This function sets the output baud rate in the termios structure pointed to by tio.

 *          and sets them to the specified speed value. It then returns 0 to indicate success.
 */
int cfsetospeed(struct termios *tio, speed_t speed)
{
    if (speed & ~CBAUD)
    {
        errno = EINVAL;
        return -1;
    }

    tio->c_cflag &= ~CBAUD;
    tio->c_cflag |= speed;
    return 0;
}

/**
 * @brief   Sets the input baud rate in a termios structure.