kopia lustrzana https://github.com/weetmuts/wmbusmeters
226 wiersze
7.7 KiB
C++
226 wiersze
7.7 KiB
C++
// Copyright (c) 2018 Fredrik Öhrström
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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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, const char *name, const char *id, const char *key);
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float totalEnergyConsumption();
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float currentPowerConsumption();
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float totalVolume();
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void printMeterHumanReadable(FILE *output);
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void printMeterFields(FILE *output, char separator);
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void printMeterJSON(FILE *output);
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private:
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void handleTelegram(Telegram *t);
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void processContent(Telegram *t);
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float total_energy_ {};
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float current_power_ {};
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float total_volume_ {};
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};
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MeterMultical302::MeterMultical302(WMBus *bus, const char *name, const char *id, const char *key) :
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MeterCommonImplementation(bus, name, id, key, MULTICAL302_METER, MANUFACTURER_KAM, 0x04)
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{
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MeterCommonImplementation::bus()->onTelegram(calll(this,handleTelegram,Telegram*));
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}
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float MeterMultical302::totalEnergyConsumption()
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{
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return total_energy_;
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}
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float MeterMultical302::currentPowerConsumption()
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{
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return current_power_;
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}
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float MeterMultical302::totalVolume()
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{
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return total_volume_;
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}
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void MeterMultical302::handleTelegram(Telegram *t) {
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if (!isTelegramForMe(t)) {
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// This telegram is not intended for this meter.
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return;
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}
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verbose("(multical302) %s %02x%02x%02x%02x ",
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name().c_str(),
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t->a_field_address[0], t->a_field_address[1], t->a_field_address[2],
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t->a_field_address[3]);
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if (t->a_field_device_type != 0x04) {
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warning("(multical302) expected telegram for heat media, but got \"%s\"!\n",
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mediaType(t->m_field, t->a_field_device_type).c_str());
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}
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/*
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if (t->m_field != manufacturer() ||
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t->a_field_version != 0x1b) {
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warning("(multical302) expected telegram from KAM meter with version 0x1b, but got \"%s\" version 0x2x !\n",
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manufacturerFlag(t->m_field).c_str(), t->a_field_version);
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}*/
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if (useAes()) {
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vector<uchar> aeskey = key();
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decryptKamstrupC1(t, aeskey);
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} else {
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t->content = t->payload;
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}
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logTelegram("(multical302) log", t->parsed, t->content);
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int content_start = t->parsed.size();
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processContent(t);
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if (isDebugEnabled()) {
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t->explainParse("(multical302)", content_start);
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}
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triggerUpdate(t);
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}
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void MeterMultical302::processContent(Telegram *t) {
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vector<uchar> full_content;
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full_content.insert(full_content.end(), t->parsed.begin(), t->parsed.end());
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full_content.insert(full_content.end(), t->content.begin(), t->content.end());
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int crc0 = t->content[0];
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int crc1 = t->content[1];
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t->addExplanation(full_content, 2, "%02x%02x payload crc", crc0, crc1);
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int frame_type = t->content[2];
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t->addExplanation(full_content, 1, "%02x frame type (%s)", frame_type, frameTypeKamstrupC1(frame_type).c_str());
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if (frame_type == 0x79) {
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if (t->content.size() != 17) {
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fprintf(stderr, "(multical302) warning: Unexpected length of frame %zu. Expected 17 bytes! ", t->content.size());
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padWithZeroesTo(&t->content, 17, &full_content);
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warning("\n");
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}
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t->addExplanation(full_content, 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(full_content, 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_ = total_energy_raw;
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t->addExplanation(full_content, 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_ = total_volume_raw;
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t->addExplanation(full_content, 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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if (t->content.size() != 26) {
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fprintf(stderr, "(multical302) warning: Unexpected length of frame %zu. Expected 26 bytes! ", t->content.size());
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padWithZeroesTo(&t->content, 26, &full_content);
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warning("\n");
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}
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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(full_content, 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_ = current_power_raw;
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t->addExplanation(full_content, 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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HeatMeter *createMultical302(WMBus *bus, const char *name, const char *id, const char *key) {
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return new MeterMultical302(bus,name,id,key);
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}
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void MeterMultical302::printMeterHumanReadable(FILE *output)
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{
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fprintf(output, "%s\t%s\t% 3.3f kwh\t% 3.3f m3\t% 3.3f kwh\t%s\n",
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name().c_str(),
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id().c_str(),
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totalEnergyConsumption(),
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totalVolume(),
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currentPowerConsumption(),
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datetimeOfUpdateHumanReadable().c_str());
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}
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void MeterMultical302::printMeterFields(FILE *output, char separator)
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{
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fprintf(output, "%s%c%s%c%3.3f%c%3.3f%c%3.3f%c%s\n",
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name().c_str(), separator,
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id().c_str(), separator,
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totalEnergyConsumption(), separator,
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totalVolume(), separator,
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currentPowerConsumption(), separator,
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datetimeOfUpdateRobot().c_str());
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}
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#define Q(x,y) "\""#x"\":"#y","
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#define QS(x,y) "\""#x"\":\""#y"\","
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#define QSE(x,y) "\""#x"\":\""#y"\""
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void MeterMultical302::printMeterJSON(FILE *output)
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{
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fprintf(output, "{media:\"heat\",meter:\"multical302\","
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QS(name,%s)
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QS(id,%s)
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Q(total_kwh,%.3f)
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Q(total_volume_m3,%.3f)
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QS(current_kw,%.3f)
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QSE(timestamp,%s)
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"}\n",
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name().c_str(),
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id().c_str(),
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totalEnergyConsumption(),
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totalVolume(),
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currentPowerConsumption(),
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datetimeOfUpdateRobot().c_str());
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}
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