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wmbusmeters/src/driver_fhkvdataiii.cc

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9.0 KiB
C++
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/*
Copyright (C) 2019-2022 Fredrik Öhrström (gpl-3.0-or-later)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include"meters_common_implementation.h"
namespace
{
struct Driver : public virtual MeterCommonImplementation
{
Driver(MeterInfo &mi, DriverInfo &di);
private:
void processContent(Telegram *t);
string leadingZeroString(int num);
};
static bool ok = registerDriver([](DriverInfo&di)
{
di.setName("fhkvdataiii");
di.setDefaultFields("name,id,current_hca,current_date,previous_hca,previous_date,temp_room_c,temp_radiator_c,timestamp");
di.setMeterType(MeterType::HeatCostAllocationMeter);
di.addLinkMode(LinkMode::T1);
di.addDetection(MANUFACTURER_TCH, 0x80, 0x69);
di.addDetection(MANUFACTURER_TCH, 0x80, 0x94);
di.usesProcessContent();
di.setConstructor([](MeterInfo& mi, DriverInfo& di){ return shared_ptr<Meter>(new Driver(mi, di)); });
});
Driver::Driver(MeterInfo &mi, DriverInfo &di) : MeterCommonImplementation(mi, di)
{
addNumericField("current",
Quantity::HCA,
DEFAULT_PRINT_PROPERTIES,
"Energy consumption so far in this billing period.");
addStringField("current_date",
"Date of current billing period.",
DEFAULT_PRINT_PROPERTIES);
addNumericField("previous",
Quantity::HCA,
DEFAULT_PRINT_PROPERTIES,
"Energy consumption in previous billing period.");
addStringField("previous_date",
"Date of last billing period.",
DEFAULT_PRINT_PROPERTIES);
addNumericField("temp_room",
Quantity::Temperature,
DEFAULT_PRINT_PROPERTIES,
"Current room temperature.");
addNumericField("temp_radiator",
Quantity::Temperature,
DEFAULT_PRINT_PROPERTIES,
"Current radiator temperature.");
}
void Driver::processContent(Telegram *t)
{
// The Techem FHKV data ii/iii is mostly a proprietary protocol
// simple wrapped inside a wmbus telegram since the ci-field is 0xa0.
// Which means that the entire payload is manufacturer specific.
vector<uchar> content;
t->extractPayload(&content);
if (content.size() < 14)
{
// Not enough data.
debugPayload("(fhkvdataiii) not enough data", content);
return;
}
// Previous Date ////////////////////////////////////////////////////////
uchar date_prev_lo = content[1];
uchar date_prev_hi = content[2];
int date_prev = (256.0*date_prev_hi+date_prev_lo);
int day_prev = (date_prev >> 0) & 0x1F;
int month_prev = (date_prev >> 5) & 0x0F;
int year_prev = 2000 + ((date_prev >> 9) & 0x3F);
string previous_date =
std::to_string(year_prev) + "-" +
leadingZeroString(month_prev) + "-" +
leadingZeroString(day_prev) + "T02:00:00Z";
setStringValue("previous_date", previous_date, NULL);
string bytes = tostrprintf("%02x%02x", content[1], content[2]);
string info = "*** "+bytes+" previous_date = %s";
t->addSpecialExplanation(t->header_size+1, 2, KindOfData::CONTENT, Understanding::FULL,
info.c_str(), previous_date.c_str());
// Previous Consumption //////////////////////////////////////////////////////////
uchar prev_lo = content[3];
uchar prev_hi = content[4];
double prev = (256.0*prev_hi+prev_lo);
double previous_hca = prev;
setNumericValue("previous", Unit::HCA, previous_hca);
bytes = tostrprintf("%02x%02x", content[3], content[4]);
info = "*** "+bytes+" previous_hca = %.17g";
t->addSpecialExplanation(t->header_size+3, 2, KindOfData::CONTENT, Understanding::FULL,
info.c_str(), previous_hca);
// Current Date //////////////////////////////////////////////////////////////////
uchar date_curr_lo = content[5];
uchar date_curr_hi = content[6];
int date_curr = (256.0*date_curr_hi+date_curr_lo);
int day_curr = (date_curr >> 4) & 0x1F;
if (day_curr <= 0) day_curr = 1;
int month_curr = (date_curr >> 9) & 0x0F;
if (month_curr <= 0) month_curr = 12;
int year_curr = year_prev;
if (month_curr < month_prev || (month_curr == month_prev && day_curr <= day_prev)) {
year_curr++;
}
string current_date =
std::to_string(year_curr) + "-" +
leadingZeroString(month_curr) + "-" +
leadingZeroString(day_curr) + "T02:00:00Z";
setStringValue("current_date", current_date, NULL);
bytes = tostrprintf("%02x%02x", content[5], content[6]);
info = "*** "+bytes+" current_date = %s";
t->addSpecialExplanation(t->header_size+5, 2, KindOfData::CONTENT, Understanding::FULL,
info.c_str(), current_date.c_str());
// Current Consumption ///////////////////////////////////////////////////////////
uchar curr_lo = content[7];
uchar curr_hi = content[8];
double current_hca = (256.0*curr_hi+curr_lo);
setNumericValue("current", Unit::HCA, current_hca);
bytes = tostrprintf("%02x%02x", content[7], content[8]);
info = "*** "+bytes+" current_hca = %.17g";
t->addSpecialExplanation(t->header_size+7, 2, KindOfData::CONTENT, Understanding::FULL,
info.c_str(), current_hca);
// Temperatures //////////////////////////////////////////////
uchar room_tlo;
uchar room_thi;
uchar radiator_tlo;
uchar radiator_thi;
int offset = 9;
if(t->dll_version == 0x94)
{
offset= 10;
}
room_tlo = content[offset];
room_thi = content[offset+1];
radiator_tlo = content[offset+2];
radiator_thi = content[offset+3];
// Room Temperature ////////////////////////////////////////////////////////////////
double temp_room_c = (256.0*room_thi+room_tlo)/100;
setNumericValue("temp_room", Unit::C, temp_room_c);
bytes = tostrprintf("%02x%02x", content[offset], content[offset+1]);
info = "*** "+bytes+" temp_room_c = %.17g";
t->addSpecialExplanation(t->header_size+offset, 2, KindOfData::CONTENT, Understanding::FULL,
info.c_str(), temp_room_c);
// Radiator Temperature ////////////////////////////////////////////////////////////
double temp_radiator_c = (256.0*radiator_thi+radiator_tlo)/100;
setNumericValue("temp_radiator", Unit::C, temp_radiator_c);
bytes = tostrprintf("%02x%02x", content[offset+2], content[offset+3]);
info = "*** "+bytes+" temp_radiator_c = %.17g";
t->addSpecialExplanation(t->header_size+offset+2, 2, KindOfData::CONTENT, Understanding::FULL,
info.c_str(), temp_radiator_c);
}
string Driver::leadingZeroString(int num) {
string new_num = (num < 10 ? "0": "") + std::to_string(num);
return new_num;
}
}
// Test: Room fhkvdataiii 11776622 NOKEY
// telegram=|31446850226677116980A0119F27020480048300C408F709143C003D341A2B0B2A0707000000000000062D114457563D71A1850000|
// {"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"}
// |Room;11776622;131;2020-02-08T02:00:00Z;1026;2019-12-31T02:00:00Z;22.44;25.51;1111-11-11 11:11.11
// Test: Rooom fhkvdataiii 11111234 NOKEY
// telegram=|33446850341211119480A2_0F9F292D005024040011BD08380904000000070000000000000000000000000001000000000003140E|
// {"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"}
// |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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