52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
//
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// Copyright (C) 2012 Telldus Technologies AB. All rights reserved.
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//
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// Copyright: See COPYING file that comes with this distribution
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//
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//
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#include "service/ProtocolFineoffset.h"
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#include <stdlib.h>
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#include <iomanip>
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#include <sstream>
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#include <string>
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#include "common/Strings.h"
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std::string ProtocolFineoffset::decodeData(const ControllerMessage &dataMsg) {
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std::string data = dataMsg.getParameter("data");
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if (data.length() < 8) {
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return "";
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}
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// Checksum currently not used
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// uint8_t checksum = (uint8_t)TelldusCore::hexTo64l(data.substr(data.length()-2));
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data = data.substr(0, data.length()-2);
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uint8_t humidity = (uint8_t)TelldusCore::hexTo64l(data.substr(data.length()-2));
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data = data.substr(0, data.length()-2);
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uint16_t value = (uint16_t)TelldusCore::hexTo64l(data.substr(data.length()-3));
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double temperature = (value & 0x7FF)/10.0;
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value >>= 11;
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if (value & 1) {
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temperature = -temperature;
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}
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data = data.substr(0, data.length()-3);
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uint16_t id = (uint16_t)TelldusCore::hexTo64l(data) & 0xFF;
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std::stringstream retString;
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retString << "class:sensor;protocol:fineoffset;id:" << id << ";model:";
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if (humidity <= 100) {
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retString << "temperaturehumidity;humidity:" << static_cast<int>(humidity) << ";";
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} else if (humidity == 0xFF) {
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retString << "temperature;";
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} else {
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return "";
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}
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retString << "temp:" << std::fixed << std::setprecision(1) << temperature << ";";
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return retString.str();
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}
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