kopia lustrzana https://github.com/weetmuts/wmbusmeters
228 wiersze
8.9 KiB
C++
228 wiersze
8.9 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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private:
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void processContent(Telegram *t);
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string leadingZeroString(int num);
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};
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static bool ok = registerDriver([](DriverInfo&di)
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{
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di.setName("fhkvdataiii");
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di.setDefaultFields("name,id,current_hca,current_date,previous_hca,previous_date,temp_room_c,temp_radiator_c,timestamp");
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di.setMeterType(MeterType::HeatCostAllocationMeter);
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di.addLinkMode(LinkMode::T1);
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di.addDetection(MANUFACTURER_TCH, 0x80, 0x69);
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di.addDetection(MANUFACTURER_TCH, 0x80, 0x94);
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di.usesProcessContent();
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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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addNumericField("current",
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Quantity::HCA,
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DEFAULT_PRINT_PROPERTIES,
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"Energy consumption so far in this billing period.");
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addStringField("current_date",
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"Date of current billing period.",
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DEFAULT_PRINT_PROPERTIES);
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addNumericField("previous",
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Quantity::HCA,
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DEFAULT_PRINT_PROPERTIES,
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"Energy consumption in previous billing period.");
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addStringField("previous_date",
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"Date of last billing period.",
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DEFAULT_PRINT_PROPERTIES);
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addNumericField("temp_room",
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Quantity::Temperature,
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DEFAULT_PRINT_PROPERTIES,
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"Current room temperature.");
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addNumericField("temp_radiator",
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Quantity::Temperature,
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DEFAULT_PRINT_PROPERTIES,
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"Current radiator temperature.");
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}
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void Driver::processContent(Telegram *t)
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{
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// The Techem FHKV data ii/iii is mostly a proprietary protocol
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// simple wrapped inside a wmbus telegram since the ci-field is 0xa0.
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// Which means that the entire payload is manufacturer specific.
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vector<uchar> content;
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t->extractPayload(&content);
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if (content.size() < 14)
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{
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// Not enough data.
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debugPayload("(fhkvdataiii) not enough data", content);
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return;
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}
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// Previous Date ////////////////////////////////////////////////////////
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uchar date_prev_lo = content[1];
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uchar date_prev_hi = content[2];
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int date_prev = (256.0*date_prev_hi+date_prev_lo);
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int day_prev = (date_prev >> 0) & 0x1F;
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int month_prev = (date_prev >> 5) & 0x0F;
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int year_prev = 2000 + ((date_prev >> 9) & 0x3F);
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string previous_date =
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std::to_string(year_prev) + "-" +
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leadingZeroString(month_prev) + "-" +
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leadingZeroString(day_prev) + "T02:00:00Z";
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setStringValue("previous_date", previous_date);
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string bytes = tostrprintf("%02x%02x", content[1], content[2]);
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string info = "*** "+bytes+" previous_date = %s";
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t->addSpecialExplanation(t->header_size+1, 2, KindOfData::CONTENT, Understanding::FULL,
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info.c_str(), 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);
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double previous_hca = prev;
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setNumericValue("previous", Unit::HCA, previous_hca);
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bytes = tostrprintf("%02x%02x", content[3], content[4]);
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info = "*** "+bytes+" previous_hca = %.17g";
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t->addSpecialExplanation(t->header_size+3, 2, KindOfData::CONTENT, Understanding::FULL,
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info.c_str(), previous_hca);
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// Current Date //////////////////////////////////////////////////////////////////
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uchar date_curr_lo = content[5];
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uchar date_curr_hi = content[6];
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int date_curr = (256.0*date_curr_hi+date_curr_lo);
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int day_curr = (date_curr >> 4) & 0x1F;
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if (day_curr <= 0) day_curr = 1;
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int month_curr = (date_curr >> 9) & 0x0F;
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if (month_curr <= 0) month_curr = 12;
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int year_curr = year_prev;
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if (month_curr < month_prev || (month_curr == month_prev && day_curr <= day_prev)) {
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year_curr++;
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}
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string current_date =
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std::to_string(year_curr) + "-" +
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leadingZeroString(month_curr) + "-" +
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leadingZeroString(day_curr) + "T02:00:00Z";
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setStringValue("current_date", current_date);
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bytes = tostrprintf("%02x%02x", content[5], content[6]);
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info = "*** "+bytes+" current_date = %s";
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t->addSpecialExplanation(t->header_size+5, 2, KindOfData::CONTENT, Understanding::FULL,
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info.c_str(), 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 current_hca = (256.0*curr_hi+curr_lo);
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setNumericValue("current", Unit::HCA, current_hca);
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bytes = tostrprintf("%02x%02x", content[7], content[8]);
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info = "*** "+bytes+" current_hca = %.17g";
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t->addSpecialExplanation(t->header_size+7, 2, KindOfData::CONTENT, Understanding::FULL,
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info.c_str(), current_hca);
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// Temperatures //////////////////////////////////////////////
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uchar room_tlo;
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uchar room_thi;
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uchar radiator_tlo;
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uchar radiator_thi;
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int offset = 9;
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if(t->dll_version == 0x94)
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{
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offset= 10;
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}
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room_tlo = content[offset];
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room_thi = content[offset+1];
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radiator_tlo = content[offset+2];
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radiator_thi = content[offset+3];
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// Room Temperature ////////////////////////////////////////////////////////////////
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double temp_room_c = (256.0*room_thi+room_tlo)/100;
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setNumericValue("temp_room", Unit::C, temp_room_c);
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bytes = tostrprintf("%02x%02x", content[offset], content[offset+1]);
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info = "*** "+bytes+" temp_room_c = %.17g";
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t->addSpecialExplanation(t->header_size+offset, 2, KindOfData::CONTENT, Understanding::FULL,
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info.c_str(), temp_room_c);
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// Radiator Temperature ////////////////////////////////////////////////////////////
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double temp_radiator_c = (256.0*radiator_thi+radiator_tlo)/100;
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setNumericValue("temp_radiator", Unit::C, temp_radiator_c);
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bytes = tostrprintf("%02x%02x", content[offset+2], content[offset+3]);
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info = "*** "+bytes+" temp_radiator_c = %.17g";
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t->addSpecialExplanation(t->header_size+offset+2, 2, KindOfData::CONTENT, Understanding::FULL,
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info.c_str(), temp_radiator_c);
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}
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string Driver::leadingZeroString(int num) {
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string new_num = (num < 10 ? "0": "") + std::to_string(num);
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return new_num;
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}
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}
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// Test: Room fhkvdataiii 11776622 NOKEY
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// telegram=|31446850226677116980A0119F27020480048300C408F709143C003D341A2B0B2A0707000000000000062D114457563D71A1850000|
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// {"media":"heat cost allocator","meter":"fhkvdataiii","name":"Room","id":"11776622","current_hca":131,"current_date":"2020-02-08T02:00:00Z","previous_hca":1026,"previous_date":"2019-12-31T02:00:00Z","temp_room_c":22.44,"temp_radiator_c":25.51,"timestamp":"1111-11-11T11:11:11Z"}
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// |Room;11776622;131;2020-02-08T02:00:00Z;1026;2019-12-31T02:00:00Z;22.44;25.51;1111-11-11 11:11.11
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// Test: Rooom fhkvdataiii 11111234 NOKEY
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// telegram=|33446850341211119480A2_0F9F292D005024040011BD08380904000000070000000000000000000000000001000000000003140E|
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// {"media":"heat cost allocator","meter":"fhkvdataiii","name":"Rooom","id":"11111234","current_hca":4,"current_date":"2021-02-05T02:00:00Z","previous_hca":45,"previous_date":"2020-12-31T02:00:00Z","temp_room_c":22.37,"temp_radiator_c":23.6,"timestamp":"1111-11-11T11:11:11Z"}
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// |Rooom;11111234;4;2021-02-05T02:00:00Z;45;2020-12-31T02:00:00Z;22.37;23.6;1111-11-11 11:11.11
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