virtual_serial.h

浏览该文件的文档.

/* ----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2013-2020. All rights reserved.
 * Description: Virtual Serial HeadFile
 * Author: Huawei LiteOS Team
 * Create: 2013-01-01
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * --------------------------------------------------------------------------- */
 
#ifndef _VIRTUAL_SERIAL_H
#define _VIRTUAL_SERIAL_H
 
#include "los_config.h"
#ifdef LOSCFG_FS_VFS
#include "fs/fs.h"
#endif
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
#ifdef LOSCFG_FS_VFS
#define SERIAL         "/dev/serial"
#define SERIAL_TTYGS0  "/dev/ttyGS0"
#define SERIAL_UARTDEV "/dev/uartdev"
 
#define SERIAL_TYPE_UART_DEV   1
#define SERIAL_TYPE_USBTTY_DEV 2
 
extern INT32 virtual_serial_init(const CHAR *deviceName);
extern INT32 virtual_serial_deinit(VOID);
 
extern UINT32 SerialTypeGet(VOID);
 
typedef struct {
    struct file *filep;
    UINT32 mask;
} LOS_VIRSERIAL_CB;
 
#endif
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* _VIRTUAL_SERIAL_H */