kopia lustrzana https://github.com/weetmuts/wmbusmeters
180 wiersze
7.3 KiB
C++
180 wiersze
7.3 KiB
C++
/*
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Copyright (C) 2019-2022 Fredrik Öhrström (gpl-3.0-or-later)
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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"meters_common_implementation.h"
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namespace
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{
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struct Driver : public virtual MeterCommonImplementation
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{
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Driver(MeterInfo &mi, DriverInfo &di);
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void processContent(Telegram *t);
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private:
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double totalWaterConsumption(Unit u);
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bool hasTotalWaterConsumption();
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double targetWaterConsumption(Unit u);
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bool hasTargetWaterConsumption();
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string currentDate();
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string previousDate();
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double total_water_consumption_m3_ {};
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double target_water_consumption_m3_ {};
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string current_date_ {};
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string previous_date_ {};
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};
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static bool ok = registerDriver([](DriverInfo&di)
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{
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di.setName("mkradio3");
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di.setDefaultFields("name,id,total_m3,target_m3,current_date,prev_date,timestamp");
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di.setMeterType(MeterType::WaterMeter);
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di.addLinkMode(LinkMode::T1);
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di.addDetection(MANUFACTURER_TCH, 0x62, 0x74);
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di.addDetection(MANUFACTURER_TCH, 0x72, 0x74);
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di.setConstructor([](MeterInfo& mi, DriverInfo& di){ return shared_ptr<Meter>(new Driver(mi, di)); });
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});
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Driver::Driver(MeterInfo &mi, DriverInfo &di) : MeterCommonImplementation(mi, di)
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{
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addPrint("total", Quantity::Volume,
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[&](Unit u){ return totalWaterConsumption(u); },
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"The total water consumption recorded by this meter.",
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DEFAULT_PRINT_PROPERTIES);
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addPrint("target", Quantity::Volume,
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[&](Unit u){ return targetWaterConsumption(u); },
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"The total water consumption recorded at the beginning of this month.",
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DEFAULT_PRINT_PROPERTIES);
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addPrint("current_date", Quantity::Text,
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[&](){ return currentDate(); },
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"Date of current billing period.",
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DEFAULT_PRINT_PROPERTIES);
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addPrint("prev_date", Quantity::Text,
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[&](){ return previousDate(); },
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"Date of previous billing period.",
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DEFAULT_PRINT_PROPERTIES);
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}
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void Driver::processContent(Telegram *t)
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{
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// Unfortunately, the MK Radio 3 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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// Previous date
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uint16_t prev_date = (content[2] << 8) | content[1];
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uint prev_date_day = (prev_date >> 0) & 0x1F;
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uint prev_date_month = (prev_date >> 5) & 0x0F;
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uint prev_date_year = (prev_date >> 9) & 0x3F;
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strprintf(&previous_date_, "%d-%02d-%02dT02:00:00Z", prev_date_year+2000, prev_date_month, prev_date_day);
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string prev_date_str;
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strprintf(&prev_date_str, "%04x", prev_date);
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uint offset = t->parsed.size() + 1;
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vendor_values["0215"] = { offset, DVEntry(offset, DifVifKey("0215"), MeasurementType::Instantaneous, 0x6c, {}, 0, 0, 0, prev_date_str) };
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t->explanations.push_back(Explanation(offset, 1, prev_date_str, KindOfData::CONTENT, Understanding::FULL));
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t->addMoreExplanation(offset, " previous date (%s)", previous_date_.c_str());
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// Previous consumption
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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)/10.0;
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string prevs;
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strprintf(&prevs, "%02x%02x", prev_lo, prev_hi);
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offset = t->parsed.size()+3;
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vendor_values["0215"] = { offset, DVEntry(offset, DifVifKey("0215"), MeasurementType::Instantaneous, 0x15, {}, 0, 0, 0, prevs) };
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t->explanations.push_back(Explanation(offset, 2, prevs, KindOfData::CONTENT, Understanding::FULL));
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t->addMoreExplanation(offset, " prev consumption (%f m3)", prev);
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// Current date
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uint16_t current_date = (content[6] << 8) | content[5];
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uint current_date_day = (current_date >> 4) & 0x1F;
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uint current_date_month = (current_date >> 9) & 0x0F;
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strprintf(¤t_date_, "%s-%02d-%02dT02:00:00Z", currentYear().c_str(), current_date_month, current_date_day);
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string current_date_str;
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strprintf(¤t_date_str, "%04x", current_date);
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offset = t->parsed.size() + 5;
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vendor_values["0215"] = { offset, DVEntry(offset, DifVifKey("0215"), MeasurementType::Instantaneous, 0x6c, {}, 0, 0, 0, current_date_str) };
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t->explanations.push_back(Explanation(offset, 1, current_date_str, KindOfData::CONTENT, Understanding::FULL));
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t->addMoreExplanation(offset, " current date (%s)", current_date_.c_str());
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// Current consumption
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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)/10.0;
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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(offset, DifVifKey("0215"), MeasurementType::Instantaneous, 0x15, {}, 0, 0, 0, currs) };
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t->explanations.push_back(Explanation(offset, 2, currs, KindOfData::CONTENT, Understanding::FULL));
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t->addMoreExplanation(offset, " curr consumption (%f m3)", curr);
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total_water_consumption_m3_ = prev+curr;
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target_water_consumption_m3_ = prev;
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}
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double Driver::totalWaterConsumption(Unit u)
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{
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assertQuantity(u, Quantity::Volume);
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return convert(total_water_consumption_m3_, Unit::M3, u);
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}
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bool Driver::hasTotalWaterConsumption()
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{
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return true;
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}
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double Driver::targetWaterConsumption(Unit u)
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{
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return target_water_consumption_m3_;
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}
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bool Driver::hasTargetWaterConsumption()
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{
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return true;
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}
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string Driver::currentDate() {
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return current_date_;
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}
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string Driver::previousDate() {
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return previous_date_;
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}
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}
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// Test: Duschen mkradio3 34333231 NOKEY
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// Comment: There is a problem in the decoding here, the data stored inside the telegram does not seem to properly encode/decode the year....
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// We should not report a current_date with a full year, if the year is actually not part of the telegram.
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// telegram=|2F446850313233347462A2_069F255900B029310000000306060906030609070606050509050505050407040605070500|
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// {"media":"warm water","meter":"mkradio3","name":"Duschen","id":"34333231","total_m3":13.8,"target_m3":8.9,"current_date":"2023-04-27T02:00:00Z","prev_date":"2018-12-31T02:00:00Z","timestamp":"1111-11-11T11:11:11Z"}
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// |Duschen;34333231;13.8;8.9;2023-04-27T02:00:00Z;2018-12-31T02:00:00Z;1111-11-11 11:11.11
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