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Extract IIR filter configurations into separate file.

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This commit is contained in:
Jared Boone 2015-08-27 09:58:37 -07:00
parent c92bf12fbd
commit b904971ef2
2 changed files with 38 additions and 10 deletions
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37
firmware/baseband/dsp_iir_config.hpp Normal file
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@ -0,0 +1,37 @@
/*
* 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_IIR_CONFIG_H__
#define __DSP_IIR_CONFIG_H__
#include "dsp_iir.hpp"
constexpr iir_biquad_config_t audio_hpf_config {
{ 0.93346032f, -1.86687724f, 0.93346032f },
{ 1.0f , -1.97730264f, 0.97773668f }
};
constexpr iir_biquad_config_t non_audio_hpf_config {
{ 0.51891061f, -0.95714180f, 0.51891061f },
{ 1.0f , -0.79878302f, 0.43960231f }
};
#endif/*__DSP_IIR_CONFIG_H__*/

11
firmware/baseband/main.cpp
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@ -45,6 +45,7 @@
#include "dsp_fft.hpp"
#include "dsp_fir_taps.hpp"
#include "dsp_iir.hpp"
#include "dsp_iir_config.hpp"
#include "baseband_stats_collector.hpp"
#include "rssi_stats_collector.hpp"
@ -78,16 +79,6 @@
constexpr auto baseband_thread_priority = NORMALPRIO + 20;
constexpr auto rssi_thread_priority = NORMALPRIO + 10;
static constexpr iir_biquad_config_t audio_hpf_config {
{ 0.93346032f, -1.86687724f, 0.93346032f },
{ 1.0f , -1.97730264f, 0.97773668f }
};
static constexpr iir_biquad_config_t non_audio_hpf_config {
{ 0.51891061f, -0.95714180f, 0.51891061f },
{ 1.0f , -0.79878302f, 0.43960231f }
};
class FMSquelch {
public:
bool execute(buffer_s16_t audio) {