mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-13 19:54:39 +00:00
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
|
/*
|
||
|
|
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __PROC_FSK_H__
|
||
|
|
#define __PROC_FSK_H__
|
||
|
|
|
||
|
|
#include "baseband_processor.hpp"
|
||
|
|
|
||
|
|
#include "channel_decimator.hpp"
|
||
|
|
#include "dsp_decimate.hpp"
|
||
|
|
#include "dsp_demodulate.hpp"
|
||
|
|
#include "dsp_fir_taps.hpp"
|
||
|
|
|
||
|
|
#include "clock_recovery.hpp"
|
||
|
|
#include "access_code_correlator.hpp"
|
||
|
|
#include "packet_builder.hpp"
|
||
|
|
|
||
|
|
#include "message.hpp"
|
||
|
|
|
||
|
|
#include <cstdint>
|
||
|
|
#include <cstddef>
|
||
|
|
#include <bitset>
|
||
|
|
|
||
|
|
class FSKProcessor : public BasebandProcessor {
|
||
|
|
public:
|
||
|
|
FSKProcessor(MessageHandlerMap& message_handlers);
|
||
|
|
~FSKProcessor();
|
||
|
|
|
||
|
|
void configure(const FSKConfiguration new_configuration);
|
||
|
|
|
||
|
|
void execute(buffer_c8_t buffer) override;
|
||
|
|
|
||
|
|
private:
|
||
|
|
ChannelDecimator decimator { ChannelDecimator::DecimationFactor::By16 };
|
||
|
|
const fir_taps_real<64>& channel_filter_taps = taps_64_lp_031_070_tfilter;
|
||
|
|
dsp::decimate::FIRAndDecimateBy2Complex<64> channel_filter { channel_filter_taps.taps };
|
||
|
|
dsp::demodulate::FM demod { 76800, 9600 * 2 };
|
||
|
|
|
||
|
|
ClockRecovery clock_recovery;
|
||
|
|
AccessCodeCorrelator access_code_correlator;
|
||
|
|
PacketBuilder packet_builder;
|
||
|
|
|
||
|
|
MessageHandlerMap& message_handlers;
|
||
|
|
|
||
|
|
void consume_symbol(const uint_fast8_t symbol, const bool access_code_found);
|
||
|
|
void payload_handler(const std::bitset<256>& payload, const size_t bits_received);
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif/*__PROC_FSK_H__*/
|