kopia lustrzana https://github.com/weetmuts/wmbusmeters
132 wiersze
4.3 KiB
C++
132 wiersze
4.3 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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#include"util.h"
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using namespace std;
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struct MeterRfmTX1 : public virtual WaterMeter, public virtual MeterCommonImplementation {
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MeterRfmTX1(MeterInfo &mi);
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// Total water counted through the meter
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double totalWaterConsumption(Unit u);
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bool hasTotalWaterConsumption();
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private:
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void processContent(Telegram *t);
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double total_water_consumption_m3_ {};
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string meter_datetime_;
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};
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shared_ptr<WaterMeter> createRfmTX1(MeterInfo &mi)
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{
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return shared_ptr<WaterMeter>(new MeterRfmTX1(mi));
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}
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MeterRfmTX1::MeterRfmTX1(MeterInfo &mi) :
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MeterCommonImplementation(mi, MeterDriver::RFMTX1)
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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("total", Quantity::Volume,
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[&](Unit u){ return totalWaterConsumption(u); },
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"The total water consumption recorded by this meter.",
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true, true);
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addPrint("meter_datetime", Quantity::Text,
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[&](){ return meter_datetime_; },
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"A date.....",
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true, true);
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}
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uchar decode_vectors_[16][6] = { { 117, 150, 122, 16, 26, 10 }, { 91, 127, 112, 19, 34, 19 }, { 179, 24, 185, 11, 142, 153 }, { 142, 125, 121, 7, 74, 22 }, { 181, 145, 7, 154, 203, 105 }, { 184, 163, 50, 161, 57, 14 }, { 189, 128, 156, 126, 96, 153 }, { 39, 92, 180, 196, 128, 163 }, { 48, 208, 10, 206, 25, 3 }, { 194, 76, 240, 5, 165, 134 }, { 84, 75, 22, 152, 17, 94 }, { 75, 238, 12, 201, 125, 162 }, { 135, 202, 74, 72, 228, 31 }, { 196, 135, 119, 46, 138, 232 }, { 227, 48, 189, 120, 87, 140 }, { 164, 154, 57, 111, 40, 5 } };
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void MeterRfmTX1::processContent(Telegram *t)
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{
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int offset;
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string key;
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if (t->tpl_cfg == 0x1006)
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{
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// This is the old type of meter and some values needs to be de-obfuscated.
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vector<uchar> frame;
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t->extractFrame(&frame);
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debugPayload("(rftx1) decoding raw frame", frame);
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uchar decoded_total[6];
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for (int i = 0; i < 6; ++i)
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{
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decoded_total[i] = (uchar)(frame[0xf + i] ^ frame[0xb] ^ decode_vectors_[frame[0xb] & 0x0f][i]);
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}
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double total = 0;
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double mul = 1;
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for (int i = 2; i < 6; ++i)
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{
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total += mul*bcd2bin(decoded_total[i]);
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mul *= 100;
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}
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total_water_consumption_m3_ = total/1000.0;
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int o = 28; // Offset to datetime.
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int y = 2000+bcd2bin(frame[o+5]);
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int M = bcd2bin(frame[o+4]);
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int d = bcd2bin(frame[o+3]);
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int H = bcd2bin(frame[o+2]);
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int m = bcd2bin(frame[o+1]);
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int s = bcd2bin(frame[o+0]);
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strprintf(meter_datetime_, "%d-%02d-%02d %02d:%02d:%02d",
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y, M%99, d%99, H%99, m%99, s%99);
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return;
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}
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if(findKey(MeasurementType::Unknown, ValueInformation::Volume, 0, 0, &key, &t->values)) {
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extractDVdouble(&t->values, key, &offset, &total_water_consumption_m3_);
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t->addMoreExplanation(offset, " total consumption (%f m3)", total_water_consumption_m3_);
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}
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if (findKey(MeasurementType::Unknown, ValueInformation::DateTime, 0, 0, &key, &t->values)) {
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struct tm datetime;
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extractDVdate(&t->values, key, &offset, &datetime);
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meter_datetime_ = strdatetime(&datetime);
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t->addMoreExplanation(offset, " meter_datetime (%s)", meter_datetime_.c_str());
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}
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}
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double MeterRfmTX1::totalWaterConsumption(Unit u)
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{
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assertQuantity(u, Quantity::Volume);
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return convert(total_water_consumption_m3_, Unit::M3, u);
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}
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bool MeterRfmTX1::hasTotalWaterConsumption()
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{
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return true;
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}
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