wmbusmeters/src/meter_piigth.cc

185 wiersze
6.1 KiB
C++

/*
Copyright (C) 2021 Fredrik Öhrström
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"bus.h"
#include"dvparser.h"
#include"meters.h"
#include"meters_common_implementation.h"
#include"wmbus.h"
#include"wmbus_utils.h"
struct MeterPIIGTH : public virtual MeterCommonImplementation {
MeterPIIGTH(MeterInfo &mi);
double currentTemperature(Unit u);
double currentRelativeHumidity();
private:
void poll(shared_ptr<BusManager> bus_manager);
void processContent(Telegram *t);
double current_temperature_c_ {};
double average_temperature_1h_c_;
double average_temperature_24h_c_;
double current_relative_humidity_rh_ {};
double average_relative_humidity_1h_rh_ {};
double average_relative_humidity_24h_rh_ {};
};
MeterPIIGTH::MeterPIIGTH(MeterInfo &mi) :
MeterCommonImplementation(mi, "piigth")
{
setMeterType(MeterType::TempHygroMeter);
addLinkMode(LinkMode::MBUS);
addPrint("current_temperature", Quantity::Temperature,
[&](Unit u){ return currentTemperature(u); },
"The current temperature.",
true, true);
addPrint("current_relative_humidity", Quantity::RelativeHumidity,
[&](Unit u){ return currentRelativeHumidity(); },
"The current relative humidity.",
true, true);
addPrint("average_temperature_1h", Quantity::Temperature,
[&](Unit u){ return convert(average_temperature_1h_c_, Unit::C, u); },
"The average temperature over the last hour.",
false, true);
addPrint("average_relative_humidity_1h", Quantity::RelativeHumidity,
[&](Unit u){ return average_relative_humidity_1h_rh_; },
"The average relative humidity over the last hour.",
false, true);
addPrint("average_temperature_24h", Quantity::Temperature,
[&](Unit u){ return convert(average_temperature_24h_c_, Unit::C, u); },
"The average temperature over the last 24 hours.",
false, true);
addPrint("average_relative_humidity_24h", Quantity::RelativeHumidity,
[&](Unit u){ return average_relative_humidity_24h_rh_; },
"The average relative humidity over the last 24 hours.",
false, true);
}
shared_ptr<Meter> createPiigTH(MeterInfo &mi)
{
return shared_ptr<Meter>(new MeterPIIGTH(mi));
}
double MeterPIIGTH::currentTemperature(Unit u)
{
assertQuantity(u, Quantity::Temperature);
return convert(current_temperature_c_, Unit::C, u);
}
double MeterPIIGTH::currentRelativeHumidity()
{
return current_relative_humidity_rh_;
}
void MeterPIIGTH::poll(shared_ptr<BusManager> bus_manager)
{
fprintf(stderr, "SENDING Query...\n");
WMBus *dev = bus_manager->findBus(bus());
if (!dev)
{
fprintf(stderr, "Could not find bus from name %s\n", bus().c_str());
return;
}
vector<uchar> buf(5);
/*
buf[0] = 0x10; // Start
buf[1] = 0x40; // SND_NKE
buf[2] = 0x00; // address 0
uchar cs = 0;
for (int i=1; i<3; ++i) cs += buf[i];
buf[3] = cs; // checksum
buf[4] = 0x16; // Stop
dev->serial()->send(buf);
sleep(2);
*/
buf[0] = 0x10; // Start
buf[1] = 0x5b; // REQ_UD2
buf[2] = 0x00; // address 0
uchar cs = 0;
for (int i=1; i<3; ++i) cs += buf[i];
buf[3] = cs; // checksum
buf[4] = 0x16; // Stop
dev->serial()->send(buf);
}
void MeterPIIGTH::processContent(Telegram *t)
{
int offset;
string key;
if (findKey(MeasurementType::Unknown, ValueInformation::ExternalTemperature, 0, 0, &key, &t->values))
{
extractDVdouble(&t->values, key, &offset, &current_temperature_c_);
t->addMoreExplanation(offset, " current temperature (%f C)", current_temperature_c_);
}
if (findKey(MeasurementType::Unknown, ValueInformation::ExternalTemperature, 1, 0, &key, &t->values))
{
extractDVdouble(&t->values, key, &offset, &average_temperature_1h_c_);
t->addMoreExplanation(offset, " average temperature 1h (%f C))", average_temperature_1h_c_);
}
if (findKey(MeasurementType::Unknown, ValueInformation::ExternalTemperature, 2, 0, &key, &t->values))
{
extractDVdouble(&t->values, key, &offset, &average_temperature_24h_c_);
t->addMoreExplanation(offset, " average temperature 24h (%f C))", average_temperature_24h_c_);
}
// Temporarily silly solution until the dvparser is upgraded with support for extension
key = "02FB1A"; // 1A = 0001 1010 = First extension vif code Relative Humidity 10^-1
if (hasKey(&t->values, key))
{
double tmp;
extractDVdouble(&t->values, key, &offset, &tmp, false);
current_relative_humidity_rh_ = tmp / (double)10.0;
t->addMoreExplanation(offset, " current relative humidity (%f RH)", current_relative_humidity_rh_);
}
key = "42FB1A"; // 1A = 0001 1010 = First extension vif code Relative Humidity 10^-1
if (hasKey(&t->values, key))
{
double tmp;
extractDVdouble(&t->values, key, &offset, &tmp, false);
average_relative_humidity_1h_rh_ = tmp / (double)10.0;
t->addMoreExplanation(offset, " average relative humidity 1h (%f RH)", average_relative_humidity_1h_rh_);
}
key = "8201FB1A"; // 1A = 0001 1010 = First extension vif code Relative Humidity 10^-1
if (hasKey(&t->values, key))
{
double tmp;
extractDVdouble(&t->values, key, &offset, &tmp, false);
average_relative_humidity_24h_rh_ = tmp / (double)10.0;
t->addMoreExplanation(offset, " average relative humidity 24h (%f RH)", average_relative_humidity_24h_rh_);
}
}