kopia lustrzana https://github.com/weetmuts/wmbusmeters
148 wiersze
5.2 KiB
C++
148 wiersze
5.2 KiB
C++
/*
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Copyright (C) 2018-2019 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"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"util.h"
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#include<memory.h>
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#include<stdio.h>
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#include<string>
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#include<time.h>
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#include<vector>
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struct MeterMultical302 : public virtual HeatMeter, public virtual MeterCommonImplementation {
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MeterMultical302(WMBus *bus, string& name, string& id, string& key);
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double totalEnergyConsumption(Unit u);
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double currentPowerConsumption(Unit u);
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double totalVolume(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 current_power_kw_ {};
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double total_volume_m3_ {};
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};
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MeterMultical302::MeterMultical302(WMBus *bus, string& name, string& id, string& key) :
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MeterCommonImplementation(bus, name, id, key, MeterType::MULTICAL302, MANUFACTURER_KAM, LinkMode::C1)
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{
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setEncryptionMode(EncryptionMode::AES_CTR);
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addMedia(0x04); // Heat media
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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("total_volume", Quantity::Volume,
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[&](Unit u){ return totalVolume(u); },
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"Total volume of heat media.",
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true, true);
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addPrint("current", Quantity::Power,
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[&](Unit u){ return currentPowerConsumption(u); },
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"Current power consumption.",
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true, true);
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MeterCommonImplementation::bus()->onTelegram(calll(this,handleTelegram,Telegram*));
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}
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unique_ptr<HeatMeter> createMultical302(WMBus *bus, string& name, string& id, string& key) {
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return unique_ptr<HeatMeter>(new MeterMultical302(bus,name,id,key));
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}
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double MeterMultical302::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 MeterMultical302::totalVolume(Unit u)
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{
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assertQuantity(u, Quantity::Volume);
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return convert(total_volume_m3_, Unit::M3, u);
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}
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double MeterMultical302::currentPowerConsumption(Unit u)
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{
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assertQuantity(u, Quantity::Power);
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return convert(current_power_kw_, Unit::KW, u);
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}
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void MeterMultical302::processContent(Telegram *t)
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{
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vector<uchar>::iterator bytes = t->content.begin();
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int crc0 = t->content[0];
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int crc1 = t->content[1];
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t->addExplanation(bytes, 2, "%02x%02x payload crc", crc0, crc1);
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int frame_type = t->content[2];
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t->addExplanation(bytes, 1, "%02x frame type (%s)", frame_type, frameTypeKamstrupC1(frame_type).c_str());
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if (frame_type == 0x79) {
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// This code should be rewritten to use parseDV see the Multical21 code.
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// But I cannot do this without more examples of 302 telegrams.
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t->addExplanation(bytes, 4, "%02x%02x%02x%02x unknown", t->content[3], t->content[4], t->content[5], t->content[6]);
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int rec1val0 = t->content[7];
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int rec1val1 = t->content[8];
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int rec1val2 = t->content[9];
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t->addExplanation(bytes, 4, "%02x%02x%02x unknown", t->content[10], t->content[11], t->content[12]);
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int total_energy_raw = rec1val2*256*256 + rec1val1*256 + rec1val0;
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total_energy_kwh_ = total_energy_raw;
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t->addExplanation(bytes, 3, "%02x%02x%02x total power (%d)",
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rec1val0, rec1val1, rec1val2, total_energy_raw);
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int rec2val0 = t->content[13];
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int rec2val1 = t->content[14];
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int rec2val2 = t->content[15];
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int total_volume_raw = rec2val2*256*256 + rec2val1*256 + rec2val0;
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total_volume_m3_ = total_volume_raw;
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t->addExplanation(bytes, 3, "%02x%02x%02x total volume (%d)",
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rec2val0, rec2val1, rec2val2, total_volume_raw);
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}
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else if (frame_type == 0x78)
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{
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// This code should be rewritten to use parseDV see the Multical21 code.
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// But I cannot do this without more examples of 302 telegrams.
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vector<uchar> unknowns;
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unknowns.insert(unknowns.end(), t->content.begin()+3, t->content.begin()+24);
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string hex = bin2hex(unknowns);
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t->addExplanation(bytes, 23-2, "%s unknown", hex.c_str());
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int rec1val0 = t->content[24];
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int rec1val1 = t->content[25];
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int current_power_raw = (rec1val1*256 + rec1val0)*100;
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current_power_kw_ = current_power_raw;
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t->addExplanation(bytes, 2, "%02x%02x current power (%d)",
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rec1val0, rec1val1, current_power_raw);
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}
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else {
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warning("(multical302) warning: unknown frame %02x (did you use the correct encryption key?)\n", frame_type);
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}
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}
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