kopia lustrzana https://github.com/weetmuts/wmbusmeters
213 wiersze
6.4 KiB
C++
213 wiersze
6.4 KiB
C++
/*
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Copyright (C) 2017-2020 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"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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using namespace std;
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struct MeterApator162 : public virtual MeterCommonImplementation {
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MeterApator162(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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void processExtras(string miExtras);
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double total_water_consumption_m3_ {};
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int registerSize(int c);
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};
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shared_ptr<Meter> createApator162(MeterInfo &mi)
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{
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return shared_ptr<Meter>(new MeterApator162(mi));
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}
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MeterApator162::MeterApator162(MeterInfo &mi) :
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MeterCommonImplementation(mi, "apator162")
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{
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processExtras(mi.extras);
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setMeterType(MeterType::WaterMeter);
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setExpectedTPLSecurityMode(TPLSecurityMode::AES_CBC_IV);
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addLinkMode(LinkMode::T1);
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addLinkMode(LinkMode::C1);
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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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PrintProperty::FIELD | PrintProperty::JSON);
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}
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void MeterApator162::processExtras(string miExtras)
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{
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map<string,string> extras;
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bool ok = parseExtras(miExtras, &extras);
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if (!ok)
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{
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error("(apator162) invalid extra parameters (%s)\n", miExtras.c_str());
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}
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}
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double MeterApator162::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 MeterApator162::hasTotalWaterConsumption()
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{
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return true;
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}
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void MeterApator162::processContent(Telegram *t)
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{
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// Unfortunately, the at-wmbus-16-2 is mostly a proprietary protocol
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// simply wrapped inside a wmbus telegram. Naughty!
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// Anyway, it seems like telegram is broken up into registers.
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// Each register is identified with a single byte after which the content follows.
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// For example, the total volume is marked by 0x10 followed by 4 bytes.
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vector<uchar> content;
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t->extractPayload(&content);
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map<string,pair<int,DVEntry>> vendor_values;
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size_t i=0;
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while (i < content.size())
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{
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int c = content[i];
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int size = registerSize(c);
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if (c == 0xff) break; // An FF signals end of telegram padded to encryption boundary,
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// FFFFFFF623A where 4 last are perhaps crc or counter?
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i++;
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if (size == -1 || i+size >= content.size())
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{
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vector<uchar> frame;
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t->extractFrame(&frame);
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string hex = bin2hex(frame);
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if (t->beingAnalyzed() == false)
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{
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warning("(apator162) telegram contains a register (%02x) with unknown size.\n"
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"Please open an issue at https://github.com/weetmuts/wmbusmeters/\n"
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"and report this telegram: %s\n", c, hex.c_str());
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}
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break;
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}
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if (c == 0x10 && size == 4 && i+size < content.size())
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{
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// We found the register representing the total
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string total;
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strprintf(total, "%02x%02x%02x%02x", content[i+0], content[i+1], content[i+2], content[i+3]);
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int offset = i-1+t->header_size;
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vendor_values["0413"] = {offset, DVEntry(offset, DifVifKey("0413"), MeasurementType::Instantaneous, 0x13, {}, 0, 0, 0, total) };
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extractDVdouble(&vendor_values, "0413", &offset, &total_water_consumption_m3_);
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total = "*** 10-"+total+" total consumption (%f m3)";
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t->addSpecialExplanation(offset, 4, KindOfData::CONTENT, Understanding::FULL, total.c_str(), total_water_consumption_m3_);
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}
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else
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{
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string msg = "*** ";
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msg += bin2hex(content, i-1, 1)+"-"+bin2hex(content, i, size);
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t->addSpecialExplanation(i-1+t->header_size, size, KindOfData::CONTENT, Understanding::NONE, msg.c_str());
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}
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i += size;
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}
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}
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int MeterApator162::registerSize(int c)
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{
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switch (c)
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{
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case 0x0f: return 3; // Payload often starts with 0x0f,
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// which also means dif = manufacturer data follows.
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case 0x10: return 4; // Total volume
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case 0x40: return 2;
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case 0x41: return 2;
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case 0x42: return 4;
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case 0x43: return 2;
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case 0x71: return 9;
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case 0x73: return 1+4*4; // Historical data
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case 0x75: return 1+6*4; // Historical data
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case 0x7B: return 1+12*4; // Historical data
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case 0x80: return 3; // Apparently payload can also start with 0x80, but hey,
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// what happened to 0x0f which indicated mfct data? 0x80 is a valid dif
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// now its impossible to see that the telegram contains mfct data....
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// except by using the mfct/type/version info.
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case 0x81: return 10;
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case 0x82: return 10;
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case 0x83: return 10;
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case 0x84: return 10;
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case 0x86: return 10;
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case 0x87: return 10;
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case 0x92: return 3;
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case 0x93: return 3;
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case 0x94: return 3;
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case 0x95: return 3;
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case 0x96: return 3;
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case 0xA0: return 4;
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case 0xB0: return 3;
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case 0xB1: return 3;
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case 0xB2: return 3;
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case 0xB3: return 3;
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case 0xB4: return 3;
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case 0xB5: return 3;
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case 0xB6: return 3;
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case 0xB7: return 3;
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case 0xB8: return 3;
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case 0xB9: return 3;
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case 0xBA: return 3;
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case 0xBB: return 3;
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case 0xBC: return 3;
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case 0xBD: return 3;
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case 0xBE: return 3;
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case 0xBF: return 3;
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case 0xC0: return 3;
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case 0xC1: return 3;
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case 0xC2: return 3;
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case 0xC3: return 3;
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case 0xC4: return 3;
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case 0xC5: return 3;
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case 0xC6: return 3;
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case 0xC7: return 3;
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case 0xD0: return 3;
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case 0xF0: return 4;
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}
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return -1;
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}
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