kopia lustrzana https://github.com/weetmuts/wmbusmeters
127 wiersze
3.0 KiB
C++
127 wiersze
3.0 KiB
C++
/*
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Copyright (C) 2020 Fredrik Öhrström
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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"dvparser.h"
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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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#define INFO_CODE_SMOKE 0x0001
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struct MeterTSD2 : public virtual SmokeDetector, public virtual MeterCommonImplementation
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{
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MeterTSD2(MeterInfo &mi);
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string status();
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bool smokeDetected();
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string previousDate();
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private:
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void processContent(Telegram *t);
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private:
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uint16_t info_codes_ {};
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bool error_ {};
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string previous_date_ {};
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};
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MeterTSD2::MeterTSD2(MeterInfo &mi) :
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MeterCommonImplementation(mi, MeterDriver::TSD2)
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{
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setExpectedTPLSecurityMode(TPLSecurityMode::AES_CBC_IV);
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addLinkMode(LinkMode::T1);
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addPrint("status", Quantity::Text,
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[&](){ return status(); },
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"The current status: OK, SMOKE or ERROR.",
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true, true);
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addPrint("prev_date", Quantity::Text,
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[&](){ return previousDate(); },
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"Date of previous billing period.",
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true, true);
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}
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shared_ptr<SmokeDetector> createTSD2(MeterInfo &mi)
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{
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return shared_ptr<SmokeDetector>(new MeterTSD2(mi));
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}
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bool MeterTSD2::smokeDetected()
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{
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return info_codes_ & INFO_CODE_SMOKE;
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}
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void MeterTSD2::processContent(Telegram *t)
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{
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vector<uchar> data;
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t->extractPayload(&data);
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if(data.empty())
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{
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error_ = true;
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return;
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}
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info_codes_ = data[0];
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error_ = false;
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// Check CRC etc here....
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// Previous date
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uint16_t prev_date = (data[2] << 8) | data[1];
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uint prev_date_day = (prev_date >> 0) & 0x1F;
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uint prev_date_month = (prev_date >> 5) & 0x0F;
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uint prev_date_year = (prev_date >> 9) & 0x3F;
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strprintf(previous_date_, "%d-%02d-%02dT02:00:00Z", prev_date_year+2000, prev_date_month, prev_date_day);
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string prev_date_str;
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strprintf(prev_date_str, "%04x", prev_date);
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uint offset = t->parsed.size() + 1;
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t->explanations.push_back({ offset, prev_date_str });
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t->addMoreExplanation(offset, " previous date (%s)", previous_date_.c_str());
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}
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string MeterTSD2::status()
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{
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string s;
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bool smoke = info_codes_ & INFO_CODE_SMOKE;
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if (smoke)
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{
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s.append("SMOKE ");
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}
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if (error_)
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{
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s.append("ERROR ");
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}
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if (s.length() > 0)
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{
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s.pop_back();
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return s;
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}
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return "OK";
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}
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string MeterTSD2::previousDate() {
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return previous_date_;
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}
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