kopia lustrzana https://github.com/weetmuts/wmbusmeters
115 wiersze
4.5 KiB
C++
115 wiersze
4.5 KiB
C++
/*
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Copyright (C) 2020 Fredrik Öhrström (gpl-3.0-or-later)
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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"meters_common_implementation.h"
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namespace
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{
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struct Driver : public virtual MeterCommonImplementation
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{
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Driver(MeterInfo &mi, DriverInfo &di);
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void processContent(Telegram *t);
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};
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static bool ok = registerDriver([](DriverInfo&di)
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{
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di.setName("rfmtx1");
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di.setDefaultFields("name,id,total_m3,meter_datetime,timestamp");
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di.setMeterType(MeterType::WaterMeter);
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di.addLinkMode(LinkMode::T1);
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di.addDetection(MANUFACTURER_BMT, 0x07, 0x05);
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di.usesProcessContent();
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di.setConstructor([](MeterInfo& mi, DriverInfo& di){ return shared_ptr<Meter>(new Driver(mi, di)); });
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});
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Driver::Driver(MeterInfo &mi, DriverInfo &di) : MeterCommonImplementation(mi, di)
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{
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addNumericFieldWithExtractor(
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"total",
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"The total water consumption recorded by this meter.",
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DEFAULT_PRINT_PROPERTIES,
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Quantity::Volume,
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VifScaling::Auto, DifSignedness::Signed,
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FieldMatcher::build()
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.set(MeasurementType::Instantaneous)
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.set(VIFRange::Volume)
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);
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addStringFieldWithExtractor(
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"meter_datetime",
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"Date time when meter sent this telegram.",
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DEFAULT_PRINT_PROPERTIES,
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FieldMatcher::build()
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.set(MeasurementType::Instantaneous)
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.set(VIFRange::DateTime));
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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 },
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{ 142, 125, 121, 7, 74, 22 }, { 181, 145, 7, 154, 203, 105 }, { 184, 163, 50, 161, 57, 14 },
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{ 189, 128, 156, 126, 96, 153 }, { 39, 92, 180, 196, 128, 163 }, { 48, 208, 10, 206, 25, 3 },
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{ 194, 76, 240, 5, 165, 134 }, { 84, 75, 22, 152, 17, 94 }, { 75, 238, 12, 201, 125, 162 },
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{ 135, 202, 74, 72, 228, 31 }, { 196, 135, 119, 46, 138, 232 }, { 227, 48, 189, 120, 87, 140 },
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{ 164, 154, 57, 111, 40, 5 } };
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void Driver::processContent(Telegram *t)
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{
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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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setNumericValue("total", Unit::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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string tmp;
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strprintf(&tmp, "%d-%02d-%02d %02d:%02d:%02d",y, M%99, d%99, H%99, m%99, s%99);
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setStringValue("meter_datetime", tmp);
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return;
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}
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}
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}
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// Test: Wasser rfmtx1 74737271 NOKEY
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// telegram=|4644B4097172737405077AA5000610_1115F78184AB0F1D1E200000005904103103208047004A4800E73C00193E00453F003E4000E64000E74100F442000144001545005B460000|
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// {"media":"water","meter":"rfmtx1","name":"Wasser","id":"74737271","total_m3":188.56,"meter_datetime":"2020-03-31 10:04:59","timestamp":"1111-11-11T11:11:11Z"}
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// |Wasser;74737271;188.56;2020-03-31 10:04:59;1111-11-11 11:11.11
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