wmbusmeters/src/meter_mkradio4.cc

125 wiersze
3.7 KiB
C++

/*
Copyright (C) 2019-2020 Fredrik Öhrström
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 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 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/>.
*/
#include"dvparser.h"
#include"meters.h"
#include"meters_common_implementation.h"
#include"wmbus.h"
#include"wmbus_utils.h"
#include"util.h"
using namespace std;
struct MKRadio4 : public virtual MeterCommonImplementation
{
MKRadio4(MeterInfo &mi);
double totalWaterConsumption(Unit u);
bool hasTotalWaterConsumption();
double targetWaterConsumption(Unit u);
bool hasTargetWaterConsumption();
private:
void processContent(Telegram *t);
double total_water_consumption_m3_ {};
double target_water_consumption_m3_ {};
};
MKRadio4::MKRadio4(MeterInfo &mi) :
MeterCommonImplementation(mi, "mkradio4")
{
setMeterType(MeterType::WaterMeter);
setExpectedTPLSecurityMode(TPLSecurityMode::AES_CBC_IV);
addLinkMode(LinkMode::T1);
addPrint("total", Quantity::Volume,
[&](Unit u){ return totalWaterConsumption(u); },
"The total water consumption recorded by this meter.",
true, true);
addPrint("target", Quantity::Volume,
[&](Unit u){ return targetWaterConsumption(u); },
"The total water consumption recorded at the beginning of this month.",
true, true);
}
shared_ptr<Meter> createMKRadio4(MeterInfo &mi)
{
return shared_ptr<Meter>(new MKRadio4(mi));
}
void MKRadio4::processContent(Telegram *t)
{
// Unfortunately, the MK Radio 4 is mostly a proprieatary protocol
// simple wrapped inside a wmbus telegram since the ci-field is 0xa2.
// Which means that the entire payload is manufacturer specific.
map<string,pair<int,DVEntry>> vendor_values;
vector<uchar> content;
t->extractPayload(&content);
uchar prev_lo = content[3];
uchar prev_hi = content[4];
double prev = (256.0*prev_hi+prev_lo)/10.0;
string prevs;
strprintf(prevs, "%02x%02x", prev_lo, prev_hi);
int offset = t->parsed.size()+3;
vendor_values["0215"] = { offset, DVEntry(MeasurementType::Instantaneous, 0x15, 0, 0, 0, prevs) };
t->explanations.push_back(Explanation(offset, 2, prevs, KindOfData::CONTENT, Understanding::FULL));
t->addMoreExplanation(offset, " prev consumption (%f m3)", prev);
uchar curr_lo = content[7];
uchar curr_hi = content[8];
double curr = (256.0*curr_hi+curr_lo)/10.0;
string currs;
strprintf(currs, "%02x%02x", curr_lo, curr_hi);
offset = t->parsed.size()+7;
vendor_values["0215"] = { offset, DVEntry(MeasurementType::Instantaneous, 0x15, 0, 0, 0, currs) };
t->explanations.push_back(Explanation(offset, 2, currs, KindOfData::CONTENT, Understanding::FULL));
t->addMoreExplanation(offset, " curr consumption (%f m3)", curr);
total_water_consumption_m3_ = prev+curr;
target_water_consumption_m3_ = prev;
}
double MKRadio4::totalWaterConsumption(Unit u)
{
assertQuantity(u, Quantity::Volume);
return convert(total_water_consumption_m3_, Unit::M3, u);
}
bool MKRadio4::hasTotalWaterConsumption()
{
return true;
}
double MKRadio4::targetWaterConsumption(Unit u)
{
return target_water_consumption_m3_;
}
bool MKRadio4::hasTargetWaterConsumption()
{
return true;
}