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40531e9230
* BLE app * Update ui_navigation.cpp Co-authored-by: Furrtek <furrtek@gmail.com>
96 lines
2.6 KiB
C++
96 lines
2.6 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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* Copyright (C) 2020 Shao
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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_BTLERX_H__
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#define __PROC_BTLERX_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 BTLERxProcessor : 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 = 4000000;
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static constexpr size_t audio_fs = baseband_fs / 8 / 8 / 2;
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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<complex16_t, 512> spectrum { };
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const buffer_c16_t spectrum_buffer {
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spectrum.data(),
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spectrum.size()
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};
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const buffer_s16_t work_audio_buffer {
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(int16_t*)dst.data(),
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sizeof(dst) / sizeof(int16_t)
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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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std::array<int16_t, 1000> rb_buf { 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::decimate::FIRC8xR16x24FS4Decim4 decim_0 { };
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dsp::decimate::FIRC16xR16x16Decim2 decim_1 { };
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dsp::demodulate::FM demod { };
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int rb_head {-1};
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int32_t g_threshold {0};
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uint8_t channel_number {38};
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int skipSamples {1000};
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int RB_SIZE {1000};
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bool configured { false };
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void configure(const BTLERxConfigureMessage& message);
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AFSKDataMessage data_message { false, 0 };
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};
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#endif/*__PROC_BTLERX_H__*/
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