wmbusmeters/src/meter_apator162.cc

130 wiersze
4.2 KiB
C++

/*
Copyright (C) 2017-2019 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"
using namespace std;
struct MeterApator162 : public virtual WaterMeter, public virtual MeterCommonImplementation {
MeterApator162(WMBus *bus, MeterInfo &mi);
// Total water counted through the meter
double totalWaterConsumption(Unit u);
bool hasTotalWaterConsumption();
private:
void processContent(Telegram *t);
double total_water_consumption_m3_ {};
};
unique_ptr<WaterMeter> createApator162(WMBus *bus, MeterInfo &mi)
{
return unique_ptr<WaterMeter>(new MeterApator162(bus, mi));
}
MeterApator162::MeterApator162(WMBus *bus, MeterInfo &mi) :
MeterCommonImplementation(bus, mi, MeterType::APATOR162, MANUFACTURER_APA)
{
setEncryptionMode(EncryptionMode::AES_CBC);
addMedia(0x06);
addMedia(0x07);
addLinkMode(LinkMode::T1);
addLinkMode(LinkMode::C1);
setExpectedVersion(0x05);
addPrint("total", Quantity::Volume,
[&](Unit u){ return totalWaterConsumption(u); },
"The total water consumption recorded by this meter.",
true, true);
MeterCommonImplementation::bus()->onTelegram(calll(this,handleTelegram,Telegram*));
}
double MeterApator162::totalWaterConsumption(Unit u)
{
assertQuantity(u, Quantity::Volume);
return convert(total_water_consumption_m3_, Unit::M3, u);
}
bool MeterApator162::hasTotalWaterConsumption()
{
return true;
}
void MeterApator162::processContent(Telegram *t)
{
// Meter record:
map<string,pair<int,DVEntry>> values;
parseDV(t, t->content, t->content.begin(), t->content.size(), &values);
// Unfortunately, the at-wmbus-16-2 is mostly a proprieatary protocol
// simple wrapped inside a wmbus telegram. Thus the parsing above ends
// immediately with a 0x0f dif which means: from now on, its vendor specific
// data structures.
// By examining some telegrams though, it looks like the total consumption
// counter is on offset 25 or 14. So we can fake a parse here, to make it easier
// to extract using the existing tools.
map<string,pair<int,DVEntry>> vendor_values;
string total;
// Current assumption of this proprietary protocol is that byte 13 tells
// us where the current total water consumption is located.
int o = 0;
if ((t->content[13] & 0x80) == 0x80)
{
o = 25;
}
else
if ((t->content[13] & 0x40) == 0x40)
{
o = 22;
}
else
if ((t->content[13] & 0x10) == 0x10)
{
o = 14;
}
else
{
warning("(apator162) Unknown value in proprietary(unknown) apator162 protocol. Ignoring telegram. Found 0x%02x expected bit 0x10, 0x40 or 0x80 to be set.\n", t->content[13]);
return;
}
strprintf(total, "%02x%02x%02x%02x", t->content[o], t->content[o+1], t->content[o+2], t->content[o+3]);
debug("(apator162) Guessing offset to be %d from byte 0x%02x: total %s\n", o, t->content[13], total.c_str());
vendor_values["0413"] = { 25, DVEntry(MeasurementType::Instantaneous, 0x13, 0, 0, 0, total) };
int offset;
string key;
if(findKey(MeasurementType::Unknown, ValueInformation::Volume, 0, &key, &vendor_values)) {
extractDVdouble(&vendor_values, key, &offset, &total_water_consumption_m3_);
//Adding explanation have to wait since it assumes that the dvparser could do something, but it could not here.
//t->addMoreExplanation(offset, " total consumption (%f m3)", total_water_consumption_m3_);
}
}