diff options
Diffstat (limited to 'components/drivers/tty/pty.c')
| -rw-r--r-- | components/drivers/tty/pty.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/components/drivers/tty/pty.c b/components/drivers/tty/pty.c index 46a241a715..64e3a41df1 100644 --- a/components/drivers/tty/pty.c +++ b/components/drivers/tty/pty.c @@ -211,6 +211,12 @@ static int ptmx_open(struct dfs_fd *fd) ret = ld->ops->open(fd); } + rt_device_t device = (rt_device_t)fd->vnode->data; + if(fd->vnode->ref_count == 1) + { + ret = rt_device_open(device, fd->flags); + } + return ret; } #ifdef RT_USING_DEVICE_OPS @@ -286,7 +292,8 @@ static int pts_register(struct tty_struct *ptm_drv, struct tty_struct *pts_drv, extern struct termios tty_std_termios; pts_drv->init_termios = tty_std_termios; pts_drv->init_termios.c_cflag = B38400 | CS8 | CREAD; - pts_drv->init_termios.c_lflag |= ICANON; + pts_drv->init_termios.c_lflag |= ECHO | ICANON; + pts_drv->init_termios.c_oflag |= ONLCR; pts_drv->init_termios.__c_ispeed = 38400; pts_drv->init_termios.__c_ospeed = 38400; |