mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-13 03:34:35 +00:00
033c4e9a5b
* Updated style * Updated files * fixed new line * Updated spacing * File fix WIP * Updated to clang 13 * updated comment style * Removed old comment code
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/*
|
|
* Copyright (C) 2015 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 __DSP_SQUELCH_H__
|
|
#define __DSP_SQUELCH_H__
|
|
|
|
#include "buffer.hpp"
|
|
#include "dsp_iir.hpp"
|
|
#include "dsp_iir_config.hpp"
|
|
|
|
#include <cstdint>
|
|
#include <cstddef>
|
|
|
|
class FMSquelch {
|
|
public:
|
|
bool execute(const buffer_f32_t& audio);
|
|
|
|
void set_threshold(const float new_value);
|
|
|
|
private:
|
|
static constexpr size_t N = 32;
|
|
float threshold_squared{0.0f};
|
|
|
|
IIRBiquadFilter non_audio_hpf{non_audio_hpf_config};
|
|
};
|
|
|
|
#endif /*__DSP_SQUELCH_H__*/
|