mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-18 14:07:43 +00:00
950bc2b1d2
AFSK RX always logs to file Removed frequency and bw settings from modem setup view Updated binary Bugfix: Binary display shifted one bit Bugfix: Frequency manager views freezing if SD card not present Bugfix: Menuview blinking arrow not showing up at the right position Bugfix: Freeze if console written to while it's hidden Broken: LCR TX, needs UI update
104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __PROC_AFSKRX_H__
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#define __PROC_AFSKRX_H__
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#include "baseband_processor.hpp"
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#include "baseband_thread.hpp"
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#include "rssi_thread.hpp"
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#include "dsp_decimate.hpp"
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#include "dsp_demodulate.hpp"
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#include "audio_output.hpp"
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#include "fifo.hpp"
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#include "message.hpp"
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class AFSKRxProcessor : public BasebandProcessor {
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public:
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void execute(const buffer_c8_t& buffer) override;
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void on_message(const Message* const message) override;
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private:
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static constexpr size_t baseband_fs = 3072000;
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static constexpr size_t audio_fs = baseband_fs / 8 / 8 / 2;
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size_t samples_per_bit { };
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enum State {
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WAIT_START = 0,
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WAIT_STOP,
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RECEIVE
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};
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BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Receive };
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RSSIThread rssi_thread { NORMALPRIO + 10 };
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std::array<complex16_t, 512> dst { };
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const buffer_c16_t dst_buffer {
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dst.data(),
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dst.size()
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};
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std::array<float, 32> audio { };
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const buffer_f32_t audio_buffer {
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audio.data(),
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audio.size()
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};
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// Array size ok down to 375 bauds (24000 / 375)
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std::array<int32_t, 64> delay_line { 0 };
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dsp::decimate::FIRC8xR16x24FS4Decim8 decim_0 { };
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dsp::decimate::FIRC16xR16x32Decim8 decim_1 { };
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dsp::decimate::FIRAndDecimateComplex channel_filter { };
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dsp::demodulate::FM demod { };
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AudioOutput audio_output { };
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State state { };
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size_t delay_line_index { };
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uint32_t bit_counter { 0 };
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uint32_t word_bits { 0 };
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uint32_t sample_bits { 0 };
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uint32_t phase { }, phase_inc { };
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int32_t sample_mixed { }, prev_mixed { }, sample_filtered { }, prev_filtered { };
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uint32_t word_length { };
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uint32_t word_mask { };
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uint32_t trigger_value { };
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bool configured { false };
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bool wait_start { };
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bool bit_value { };
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bool trigger_word { };
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bool triggered { };
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void configure(const AFSKRxConfigureMessage& message);
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AFSKDataMessage data_message { false, 0 };
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};
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#endif/*__PROC_TPMS_H__*/
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