op25/op25/gr-op25_repeater/lib/p25p2_tdma.h

78 lines
2.2 KiB
C++

// P25 TDMA Decoder (C) Copyright 2013, 2014 Max H. Parke KA1RBI
//
// This file is part of OP25
//
// OP25 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, or (at your option)
// any later version.
//
// OP25 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 OP25; see the file COPYING. If not, write to the Free
// Software Foundation, Inc., 51 Franklin Street, Boston, MA
// 02110-1301, USA.
#ifndef INCLUDED_P25P2_TDMA_H
#define INCLUDED_P25P2_TDMA_H
#include <stdint.h>
#include <deque>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "mbelib.h"
#include "imbe_decoder.h"
#include "software_imbe_decoder.h"
#include "p25p2_duid.h"
#include "p25p2_sync.h"
#include "p25p2_vf.h"
#include "p25p2_framer.h"
class p25p2_tdma;
class p25p2_tdma
{
public:
p25p2_tdma(const char* udp_host, int port, int slotid, int debug, std::deque<int16_t> &qptr) ; // constructor
int handle_packet(const uint8_t dibits[]) ;
void set_slotid(int slotid);
uint8_t* tdma_xormask;
uint32_t symbols_received;
uint32_t packets;
~p25p2_tdma(); // destructor
void set_xormask(const char*p);
bool rx_sym(uint8_t sym);
int handle_frame(void) ;
private:
p25p2_sync sync;
p25p2_duid duid;
p25p2_vf vf;
int write_bufp;
int write_sock;
struct sockaddr_in write_sock_addr;
char write_buf[512];
const char* d_udp_host;
int d_port;
int d_slotid;
mbe_parms cur_mp;
mbe_parms prev_mp;
mbe_parms enh_mp;
software_imbe_decoder software_decoder;
std::deque<int16_t> &output_queue_decode;
int d_debug;
unsigned long int crc_errors;
p25p2_framer p2framer;
int handle_acch_frame(const uint8_t dibits[], bool fast) ;
void handle_voice_frame(const uint8_t dibits[]) ;
int process_mac_pdu(const uint8_t byte_buf[], unsigned int len) ;
void init_sock(const char* udp_host, int udp_port);
};
#endif /* INCLUDED_P25P2_TDMA_H */