mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-08 17:46:03 -05:00
83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// Copyright (C) 2016-2017, 2019, 2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// using LeanSDR Framework (C) 2016 F4DAV //
|
|
// //
|
|
// 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 as version 3 of the License, 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 V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef DATVMETER_H
|
|
#define DATVMETER_H
|
|
|
|
#include <QString>
|
|
|
|
#include "leansdr/framework.h"
|
|
#include "leansdr/sdr.h"
|
|
|
|
namespace leansdr {
|
|
|
|
struct datvmeter: runnable
|
|
{
|
|
leansdr::pipereader<leansdr::f32> m_in;
|
|
float m_avg;
|
|
float m_rms;
|
|
float m_peak;
|
|
static const int m_nbAvg = 10;
|
|
leansdr::f32 m_samples[m_nbAvg];
|
|
leansdr::f32 m_sum;
|
|
int m_index;
|
|
|
|
datvmeter(
|
|
scheduler *sch,
|
|
leansdr::pipebuf<leansdr::f32> &in,
|
|
const char *_name = nullptr
|
|
) :
|
|
runnable(sch, _name ? _name : in.name),
|
|
m_in(in)
|
|
{
|
|
std::fill(m_samples, m_samples+m_nbAvg, 0);
|
|
m_avg = 0.0f;
|
|
m_rms = 0.0f;
|
|
m_peak = 0.0f;
|
|
m_sum = 0;
|
|
m_index = 0;
|
|
}
|
|
|
|
virtual void run()
|
|
{
|
|
while (m_in.readable() >= 1)
|
|
{
|
|
leansdr::f32 *p = m_in.rd();
|
|
leansdr::f32& oldest = m_samples[m_index++];
|
|
m_sum += *p - oldest;
|
|
oldest = *p;
|
|
leansdr::f32 avg = m_sum/m_nbAvg;
|
|
|
|
m_avg = avg;
|
|
m_rms = avg/30;
|
|
m_peak = *p/30;
|
|
m_in.read(1);
|
|
|
|
if (m_index == m_nbAvg) {
|
|
m_index = 0;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
} // namespace leansdr
|
|
|
|
#endif // DATVGAUGE_H
|