mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-12 01:04:25 -05:00
033c4e9a5b
* Updated style * Updated files * fixed new line * Updated spacing * File fix WIP * Updated to clang 13 * updated comment style * Removed old comment code
69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
/*
|
|
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
|
|
* Copyright (C) 2017 Furrtek
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* 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 2, 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; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "crc.hpp"
|
|
|
|
#include <cstring>
|
|
#include <string>
|
|
|
|
#ifndef __AX25_H__
|
|
#define __AX25_H__
|
|
|
|
#define AX25_FLAG 0x7E
|
|
|
|
namespace ax25 {
|
|
|
|
enum protocol_id_t {
|
|
X25_PLP = 0x01,
|
|
COMP_TCPIP = 0x06,
|
|
UNCOMP_TCPIP = 0x07,
|
|
SEG_FRAG = 0x08,
|
|
FLEXNET = 0xCE,
|
|
NO_LAYER3 = 0xF0
|
|
};
|
|
|
|
class AX25Frame {
|
|
public:
|
|
void make_ui_frame(char* const address, const uint8_t control, const uint8_t protocol, const std::string& info);
|
|
|
|
private:
|
|
void NRZI_add_bit(const uint32_t bit);
|
|
void make_extended_field(char* const data, size_t length);
|
|
void add_byte(uint8_t byte, bool is_flag, bool is_data);
|
|
void add_data(uint8_t byte);
|
|
void add_checksum();
|
|
void add_flag();
|
|
void flush();
|
|
|
|
uint16_t* bb_data_ptr{nullptr};
|
|
uint8_t current_bit{0};
|
|
uint8_t current_byte{0};
|
|
size_t bit_counter{0};
|
|
uint8_t ones_counter{0};
|
|
|
|
CRC<16, true, true> crc_ccitt{0x1021, 0xFFFF, 0xFFFF};
|
|
};
|
|
|
|
} /* namespace ax25 */
|
|
|
|
#endif /*__AX25_H__*/
|