librnode/src/libs/slip_enc.h
2025-07-18 18:00:14 +01:00

82 lines
3.3 KiB
C

/**
* Copyright (c) 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
* Modified by Jacob Eva (Liberated Embedded Systems) (c) 2025.
* Changes licensed under the GPL.
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#ifndef _INC_SLIP_ENC
#define _INC_SLIP_ENC
#include <stdint.h>
#include <stdbool.h>
#define SLIP_END 0300
#define SLIP_HEADER_LEN 4
#define SLIP_GROW_FACTOR 2
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
void slip_header(uint8_t seq, bool dip, bool rp, uint8_t pkt_type, uint32_t pkt_len, uint8_t* header);
void encode_slip(uint8_t *pDestData, uint32_t *pDestSize, const uint8_t *pSrcData, uint32_t nSrcSize, bool frame);
int decode_slip(uint8_t *pDestData, uint32_t *pDestSize, const uint8_t *pSrcData, uint32_t nSrcSize);
#ifdef __cplusplus
} /* ... extern "C" */
#endif /* __cplusplus */
#endif // _INC_SLIP_ENC