wmbusmeters/src/driver_mkradio3.cc

112 wiersze
4.7 KiB
C++

/*
Copyright (C) 2019-2023 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);
void processContent(Telegram *t);
};
static bool ok = registerDriver([](DriverInfo&di)
{
di.setName("mkradio3");
di.setDefaultFields("name,id,total_m3,target_m3,current_date,prev_date,timestamp");
di.setMeterType(MeterType::WaterMeter);
di.addLinkMode(LinkMode::T1);
di.addDetection(MANUFACTURER_TCH, 0x62, 0x74);
di.addDetection(MANUFACTURER_TCH, 0x72, 0x74);
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("total",
Quantity::Volume,
DEFAULT_PRINT_PROPERTIES,
"The total water consumption recorded by this meter.");
addNumericField("target",
Quantity::Volume,
DEFAULT_PRINT_PROPERTIES,
"The total water consumption recorded at the beginning of this month.");
addStringField("current_date",
"Date of current billing period.",
DEFAULT_PRINT_PROPERTIES);
addStringField("prev_date",
"Date of previous billing period.",
DEFAULT_PRINT_PROPERTIES);
}
void Driver::processContent(Telegram *t)
{
// Unfortunately, the MK Radio 3 is mostly a proprieatary protocol
// simple wrapped inside a wmbus telegram since the ci-field is 0xa2.
// Which means that the entire payload is manufacturer specific.
map<string,pair<int,DVEntry>> vendor_values;
vector<uchar> content;
t->extractPayload(&content);
// Previous date
uint16_t prev_date = (content[2] << 8) | content[1];
uint prev_date_day = (prev_date >> 0) & 0x1F;
uint prev_date_month = (prev_date >> 5) & 0x0F;
uint prev_date_year = (prev_date >> 9) & 0x3F;
setStringValue("prev_date",
tostrprintf("%d-%02d-%02dT02:00:00Z", prev_date_year+2000, prev_date_month, prev_date_day));
// Previous consumption
uchar prev_lo = content[3];
uchar prev_hi = content[4];
double prev = (256.0*prev_hi+prev_lo)/10.0;
// Current date
uint16_t current_date = (content[6] << 8) | content[5];
uint current_date_day = (current_date >> 4) & 0x1F;
uint current_date_month = (current_date >> 9) & 0x0F;
setStringValue("current_date",
tostrprintf("%s-%02d-%02dT02:00:00Z",
currentYear().c_str(), current_date_month, current_date_day));
// Current consumption
uchar curr_lo = content[7];
uchar curr_hi = content[8];
double curr = (256.0*curr_hi+curr_lo)/10.0;
double total_water_consumption_m3 = prev+curr;
setNumericValue("total", Unit::M3, total_water_consumption_m3);
double target_water_consumption_m3 = prev;
setNumericValue("target", Unit::M3, target_water_consumption_m3);
}
}
// Test: Duschen mkradio3 34333231 NOKEY
// Comment: There is a problem in the decoding here, the data stored inside the telegram does not seem to properly encode/decode the year....
// We should not report a current_date with a full year, if the year is actually not part of the telegram.
// telegram=|2F446850313233347462A2_069F255900B029310000000306060906030609070606050509050505050407040605070500|
// {"media":"warm water","meter":"mkradio3","name":"Duschen","id":"34333231","total_m3":13.8,"target_m3":8.9,"current_date":"2024-04-27T02:00:00Z","prev_date":"2018-12-31T02:00:00Z","timestamp":"1111-11-11T11:11:11Z"}
// |Duschen;34333231;13.8;8.9;2024-04-27T02:00:00Z;2018-12-31T02:00:00Z;1111-11-11 11:11.11