mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-15 20:50:28 +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++
/*
|
|
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
|
|
* Copyright (C) 2016 Furrtek
|
|
*
|
|
* 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_AFSKRX_H__
|
|
#define __PROC_AFSKRX_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 AFSKRxProcessor : 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 = 3072000;
|
|
static constexpr size_t audio_fs = baseband_fs / 8 / 8 / 2;
|
|
|
|
size_t samples_per_bit { };
|
|
|
|
enum State {
|
|
WAIT_START = 0,
|
|
WAIT_STOP,
|
|
RECEIVE
|
|
};
|
|
|
|
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<float, 32> audio { };
|
|
const buffer_f32_t audio_buffer {
|
|
audio.data(),
|
|
audio.size()
|
|
};
|
|
|
|
// Array size ok down to 375 bauds (24000 / 375)
|
|
std::array<int32_t, 64> delay_line { 0 };
|
|
|
|
dsp::decimate::FIRC8xR16x24FS4Decim8 decim_0 { };
|
|
dsp::decimate::FIRC16xR16x32Decim8 decim_1 { };
|
|
dsp::decimate::FIRAndDecimateComplex channel_filter { };
|
|
|
|
dsp::demodulate::FM demod { };
|
|
|
|
AudioOutput audio_output { };
|
|
|
|
State state { };
|
|
size_t delay_line_index { };
|
|
uint32_t bit_counter { 0 };
|
|
uint32_t word_bits { 0 };
|
|
uint32_t sample_bits { 0 };
|
|
uint32_t phase { }, phase_inc { };
|
|
int32_t sample_mixed { }, prev_mixed { }, sample_filtered { }, prev_filtered { };
|
|
uint32_t word_length { };
|
|
uint32_t word_mask { };
|
|
uint32_t trigger_value { };
|
|
|
|
bool configured { false };
|
|
bool wait_start { };
|
|
bool bit_value { };
|
|
bool trigger_word { };
|
|
bool triggered { };
|
|
|
|
void configure(const AFSKRxConfigureMessage& message);
|
|
|
|
AFSKDataMessage data_message { false, 0 };
|
|
};
|
|
|
|
#endif/*__PROC_TPMS_H__*/
|