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import RT-Thread@9217865c without bsp, libcpu and components/net

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This commit is contained in:
Zihao Yu 2023-05-20 16:23:33 +08:00
commit e2376a3709
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56
components/drivers/tty/include/tty_ldisc.h Normal file
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021.12.07 linzhenxing first version
*/
#ifndef __TTY_LDISC_
#define __TTY_LDISC_
#include <rtthread.h>
#include <dfs.h>
#include <dfs_fs.h>
#include <tty.h>
#if defined(RT_USING_POSIX_TERMIOS)
#include <termios.h>
#endif
struct tty_struct;
struct tty_ldisc_ops
{
char *name;
int num;
int (*open) (struct dfs_file *fd);
int (*close) (struct tty_struct *tty);
int (*ioctl) (struct dfs_file *fd, int cmd, void *args);
int (*read) (struct dfs_file *fd, void *buf, size_t count);
int (*write) (struct dfs_file *fd, const void *buf, size_t count);
int (*flush) (struct dfs_file *fd);
int (*lseek) (struct dfs_file *fd, off_t offset);
int (*getdents) (struct dfs_file *fd, struct dirent *dirp, uint32_t count);
int (*poll) (struct dfs_file *fd, struct rt_pollreq *req);
void (*set_termios) (struct tty_struct *tty, struct termios *old);
int (*receive_buf) (struct tty_struct *tty,char *cp, int count);
int refcount;
};
struct tty_ldisc
{
struct tty_ldisc_ops *ops;
struct tty_struct *tty;
};
#define TTY_LDISC_MAGIC 0x5403
int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
void tty_ldisc_kill(struct tty_struct *tty);
void tty_ldisc_init(struct tty_struct *tty);
void tty_ldisc_release(struct tty_struct *tty);
void n_tty_init(void);
#endif // __TTY_LDISC_