Files
nuttx-apps/include/netutils/cmux.h
Halysson ddf1dcc3ff netutils/cmux: Add support for CMUX protocol
This commit adds CMUX (GSM 07.10) protocol support to netutils.
CMUX allows multiplexing multiple virtual serial connections
over a single physical serial link.

Changes include:
- CMUX protocol implementation
- CRC table for frame validation
- Basic frame handling

Signed-off-by: Halysson <halysson1007@gmail.com>
2025-10-06 15:04:22 -03:00

66 lines
2.0 KiB
C

/****************************************************************************
* apps/include/netutils/cmux.h
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __APPS_INCLUDE_NETUTILS_CMUX_H
#define __APPS_INCLUDE_NETUTILS_CMUX_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <sys/time.h>
#include <stdbool.h>
#include <debug.h>
#include <errno.h>
/****************************************************************************
* Public Types
****************************************************************************/
struct cmux_settings_s
{
FAR const char *tty_name;
FAR const char *script;
int total_channels;
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
int cmux_create(struct cmux_settings_s *settings);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __APPS_INCLUDE_NETUTILS_CMUX_H */