kopia lustrzana https://github.com/weetmuts/wmbusmeters
127 wiersze
4.0 KiB
C++
127 wiersze
4.0 KiB
C++
/*
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Copyright (C) 2020 Fredrik Öhrström
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include"dvparser.h"
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#include"meters.h"
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#include"meters_common_implementation.h"
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#include"wmbus.h"
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#include"wmbus_utils.h"
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#include"units.h"
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#include"util.h"
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struct MeterCompact5 : public virtual HeatMeter, public virtual MeterCommonImplementation
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{
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MeterCompact5(MeterInfo &mi);
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double totalEnergyConsumption(Unit u);
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double currentPeriodEnergyConsumption(Unit u);
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double previousPeriodEnergyConsumption(Unit u);
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private:
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void processContent(Telegram *t);
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double total_energy_kwh_ {};
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double curr_energy_kwh_ {};
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double prev_energy_kwh_ {};
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};
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shared_ptr<HeatMeter> createCompact5(MeterInfo &mi)
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{
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return shared_ptr<HeatMeter>(new MeterCompact5(mi));
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}
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MeterCompact5::MeterCompact5(MeterInfo &mi) :
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MeterCommonImplementation(mi, MeterType::COMPACT5)
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{
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// media 0x04 is used for C telegrams
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// media 0xC3 is used for T telegrams
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addLinkMode(LinkMode::C1);
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addLinkMode(LinkMode::T1);
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addPrint("total", Quantity::Energy,
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[&](Unit u){ return totalEnergyConsumption(u); },
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"The total energy consumption recorded by this meter.",
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true, true);
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addPrint("current", Quantity::Energy,
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[&](Unit u){ return currentPeriodEnergyConsumption(u); },
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"Energy consumption so far in this billing period.",
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true, true);
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addPrint("previous", Quantity::Energy,
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[&](Unit u){ return previousPeriodEnergyConsumption(u); },
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"Energy consumption in previous billing period.",
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true, true);
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}
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double MeterCompact5::totalEnergyConsumption(Unit u)
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{
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assertQuantity(u, Quantity::Energy);
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return convert(total_energy_kwh_, Unit::KWH, u);
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}
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double MeterCompact5::currentPeriodEnergyConsumption(Unit u)
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{
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assertQuantity(u, Quantity::Energy);
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return convert(curr_energy_kwh_, Unit::KWH, u);
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}
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double MeterCompact5::previousPeriodEnergyConsumption(Unit u)
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{
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assertQuantity(u, Quantity::Energy);
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return convert(prev_energy_kwh_, Unit::KWH, u);
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}
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void MeterCompact5::processContent(Telegram *t)
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{
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// Unfortunately, the Techem Compact V is mostly a proprieatary protocol
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// simple wrapped inside a wmbus telegram since the ci-field is 0xa2.
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// Which means that the entire payload is manufacturer specific.
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map<string,pair<int,DVEntry>> vendor_values;
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vector<uchar> content;
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t->extractPayload(&content);
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uchar prev_lo = content[3];
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uchar prev_hi = content[4];
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double prev = (256.0*prev_hi+prev_lo)/1000;
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string prevs;
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strprintf(prevs, "%02x%02x", prev_lo, prev_hi);
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int offset = t->parsed.size()+3;
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vendor_values["0215"] = { offset, DVEntry(MeasurementType::Instantaneous, 0x15, 0, 0, 0, prevs) };
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t->explanations.push_back({ offset, prevs });
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t->addMoreExplanation(offset, " energy used in previous billing period (%f KWH)", prev);
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uchar curr_lo = content[7];
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uchar curr_hi = content[8];
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double curr = (256.0*curr_hi+curr_lo)/1000;
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string currs;
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strprintf(currs, "%02x%02x", curr_lo, curr_hi);
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offset = t->parsed.size()+7;
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vendor_values["0215"] = { offset, DVEntry(MeasurementType::Instantaneous, 0x15, 0, 0, 0, currs) };
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t->explanations.push_back({ offset, currs });
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t->addMoreExplanation(offset, " energy used in current billing period (%f KWH)", curr);
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total_energy_kwh_ = prev+curr;
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curr_energy_kwh_ = curr;
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prev_energy_kwh_ = prev;
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}
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