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/*
Copyright (C) 2013 Matthias P. Braendli
http://mpb.li
EDI output.
This implements an AF Packet as defined ETSI TS 102 821.
Also see ETSI TS 102 693
*/
/*
This file is part of CRC-DabMux.
CRC-DabMux 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.
CRC-DabMux 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 CRC-DabMux. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _AFPACKET_H_
#define _AFPACKET_H_
#include "config.h"
#include <vector>
#include <stdint.h>
#define PACKED __attribute__ ((packed))
// ETSI TS 102 821, 6.1 AF packet structure
struct AFHeader
{
uint16_t sync;
uint32_t len;
uint16_t seq;
uint8_t ar_cf:1;
uint8_t ar_maj:3;
uint8_t ar_min:4;
uint8_t pt;
} PACKED;
class AFPacket
{
public:
AFPacket();
std::vector<uint8_t> Assemble(char protocol_type, std::vector<uint8_t> payload);
private:
static const bool have_crc = true;
AFHeader header;
uint16_t seq; //counter that overflows at 0xFFFF
};
#endif
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