MMDVM/CalRSSI.cpp
LucaMarche IZ1MLT 694b83123a
Update 48k version
In to NXDN possible problem on sinc filter anc isinc filter, think they must be recalculated but do not know how to do it. On D-STAR, DMR, C4FM and P25 it work.
2018-05-30 08:54:45 +02:00

66 lines
1.6 KiB
C++

/*
* Copyright (C) 2016 by Jonathan Naylor G4KLX
*
* 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 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#include "Globals.h"
#include "CalRSSI.h"
#include "Utils.h"
CCalRSSI::CCalRSSI() :
m_count(0U),
m_accum(0U),
m_min(0xFFFFU),
m_max(0x0000U)
{
}
void CCalRSSI::samples(const uint16_t* rssi, uint8_t length)
{
for (uint16_t i = 0U; i < length; i++) {
uint16_t ss = rssi[i];
m_accum += ss;
if (ss > m_max)
m_max = ss;
if (ss < m_min)
m_min = ss;
m_count++;
if (m_count >= 24000U) {
uint16_t ave = m_accum / m_count;
uint8_t buffer[6U];
buffer[0U] = (m_max >> 8) & 0xFFU;
buffer[1U] = (m_max >> 0) & 0xFFU;
buffer[2U] = (m_min >> 8) & 0xFFU;
buffer[3U] = (m_min >> 0) & 0xFFU;
buffer[4U] = (ave >> 8) & 0xFFU;
buffer[5U] = (ave >> 0) & 0xFFU;
serial.writeRSSIData(buffer, 6U);
m_count = 0U;
m_accum = 0U;
m_min = 0xFFFFU;
m_max = 0x0000U;
}
}
}