fix baudrate error (#8873)
* fix baudrate error * fix baudrate error * fix baudrate error * fix baudrate error * fix baudrate error * fix baudrate error * fix baudrate error * fix baudrate error * fix baudrate error
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e548a99da4
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b586889216
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@ -1175,7 +1175,7 @@ static rt_err_t rt_serial_control(struct rt_device *dev,
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config = serial->config;
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baudrate = _get_baudrate(cfgetospeed(tio));
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baudrate = _get_baudrate(tio->__c_ispeed);
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config.baud_rate = baudrate;
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switch (tio->c_cflag & CSIZE)
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@ -175,6 +175,19 @@ rt_inline void _restore_serial(struct rt_serial_device *serial, lwp_tty_t tp,
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rt_device_control(&serial->parent, RT_DEVICE_CTRL_NOTIFY_SET, &softc->backup_notify);
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}
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static void _serial_tty_set_speed(struct lwp_tty *tp)
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{
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struct serial_tty_context *softc = (struct serial_tty_context *)(tp->t_devswsoftc);
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struct rt_serial_device *serial;
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RT_ASSERT(softc);
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serial = softc->parent;
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rt_device_control(&(serial->parent), TCGETS, &tp->t_termios_init_in);
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tp->t_termios_init_in.__c_ispeed = tp->t_termios_init_in.__c_ospeed = cfgetospeed(&tp->t_termios_init_in);
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}
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static int _serial_isbusy(struct rt_serial_device *serial)
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{
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rt_thread_t user_thread = rt_console_current_user();
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@ -317,6 +330,7 @@ rt_err_t rt_hw_serial_register_tty(struct rt_serial_device *serial)
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tty = lwp_tty_create(&serial_ttydevsw, softc);
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if (tty)
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{
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_serial_tty_set_speed(tty);
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rc = lwp_tty_register(tty, dev_name);
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rt_work_init(&softc->work, _tty_rx_worker, tty);
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@ -349,6 +349,7 @@ int lwp_tty_ioctl_adapter(lwp_tty_t tp, int cmd, int oflags, void *args, rt_thre
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error = IOCTL(TIOCGETA, (rt_caddr_t)&tios, fflags, td);
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if (error)
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break;
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cfsetospeed(&tios, tios.__c_ispeed);
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error = _copy_to_user(args, &tios, sizeof(tios));
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break;
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@ -356,6 +357,7 @@ int lwp_tty_ioctl_adapter(lwp_tty_t tp, int cmd, int oflags, void *args, rt_thre
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error = _copy_from_user(&tios, args, sizeof(tios));
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if (error)
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break;
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tios.__c_ispeed = tios.__c_ospeed = cfgetospeed(&tios);
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error = (IOCTL(TIOCSETA, (rt_caddr_t)&tios, fflags, td));
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break;
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