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103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
/*
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* Copyright (C) 2014 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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/*
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* btstack_slip.h
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* SLIP encoder/decoder
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*/
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#ifndef BTSTACK_SLIP_H
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#define BTSTACK_SLIP_H
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#include <stdint.h>
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#if defined __cplusplus
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extern "C" {
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#endif
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#define BTSTACK_SLIP_SOF 0xc0
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// ENCODER
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/**
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* @brief Initialise SLIP encoder with data
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* @param data
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* @param len
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*/
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void btstack_slip_encoder_start(const uint8_t * data, uint16_t len);
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/**
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* @brief Check if encoder has data ready
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* @return True if data ready
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*/
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int btstack_slip_encoder_has_data(void);
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/**
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* @brief Get next byte from encoder
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* @return Next bytes from encoder
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*/
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uint8_t btstack_slip_encoder_get_byte(void);
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// DECODER
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/**
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* @brief Initialise SLIP decoder with buffer
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* @param buffer to store received data
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* @param max_size of buffer
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*/
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void btstack_slip_decoder_init(uint8_t * buffer, uint16_t max_size);
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/**
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* @brief Process received byte
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* @param input
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*/
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void btstack_slip_decoder_process(uint8_t input);
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/**
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* @brief Get size of decoded frame
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* @return size of frame. Size = 0 => frame not complete
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*/
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uint16_t btstack_slip_decoder_frame_size(void);
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#if defined __cplusplus
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}
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#endif
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#endif
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