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Ble receiver (#337)

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* BLE app

* Update ui_navigation.cpp

Co-authored-by: Furrtek <furrtek@gmail.com>
This commit is contained in:
Erwin Ried 2020-04-20 06:50:03 +02:00 • committed by GitHub
parent d95bda65ce
commit 40531e9230
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12 changed files with 770 additions and 3 deletions
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firmware/baseband/proc_btlerx.hpp Normal file
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/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
* Copyright (C) 2020 Shao
*
* 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_BTLERX_H__
#define __PROC_BTLERX_H__
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "rssi_thread.hpp"
#include "dsp_decimate.hpp"
#include "dsp_demodulate.hpp"
#include "audio_output.hpp"
#include "fifo.hpp"
#include "message.hpp"
class BTLERxProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
void on_message(const Message* const message) override;
private:
static constexpr size_t baseband_fs = 4000000;
static constexpr size_t audio_fs = baseband_fs / 8 / 8 / 2;
BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Receive };
RSSIThread rssi_thread { NORMALPRIO + 10 };
std::array<complex16_t, 512> dst { };
const buffer_c16_t dst_buffer {
dst.data(),
dst.size()
};
std::array<complex16_t, 512> spectrum { };
const buffer_c16_t spectrum_buffer {
spectrum.data(),
spectrum.size()
};
const buffer_s16_t work_audio_buffer {
(int16_t*)dst.data(),
sizeof(dst) / sizeof(int16_t)
};
// Array size ok down to 375 bauds (24000 / 375)
std::array<int32_t, 64> delay_line { 0 };
std::array<int16_t, 1000> rb_buf { 0 };
/*dsp::decimate::FIRC8xR16x24FS4Decim8 decim_0 { };
dsp::decimate::FIRC16xR16x32Decim8 decim_1 { };
dsp::decimate::FIRAndDecimateComplex channel_filter { };*/
dsp::decimate::FIRC8xR16x24FS4Decim4 decim_0 { };
dsp::decimate::FIRC16xR16x16Decim2 decim_1 { };
dsp::demodulate::FM demod { };
int rb_head {-1};
int32_t g_threshold {0};
uint8_t channel_number {38};
int skipSamples {1000};
int RB_SIZE {1000};
bool configured { false };
void configure(const BTLERxConfigureMessage& message);
AFSKDataMessage data_message { false, 0 };
};
#endif/*__PROC_BTLERX_H__*/