MMDVMHost-Private/SMeter.cpp
2021-05-18 19:44:41 +01:00

37 lines
1.3 KiB
C++

/*
* Copyright (C) 2015-2021 by Jonathan Naylor G4KLX
* Copyright (C) 2021 by Geoffrey Merck F4FXL / KC3FRA
*
* 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 "SMeter.h"
const unsigned int RSSI_S1 = 141U;
const unsigned int RSSI_S9 = 93U;
void CSMeter::getSignal(unsigned int rssi, unsigned int& signal, unsigned int& plus)
{
if (rssi > RSSI_S1) {
signal = 0U;
plus = rssi - RSSI_S1;
} else if (rssi > RSSI_S9 && rssi <= RSSI_S1) {
signal = ((RSSI_S1 - rssi) / 6U) + 1U;
plus = (RSSI_S1 - rssi) % 6U;
} else {
signal = 9U;
plus = RSSI_S9 - rssi;
}
}