/* * Copyright (c) 2015, Nordic Semiconductor * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package no.nordicsemi.android.nrftoolbox.parser; import java.util.Locale; import no.nordicsemi.android.ble.data.Data; @SuppressWarnings("ConstantConditions") public class TemperatureMeasurementParser { private static final byte TEMPERATURE_UNIT_FLAG = 0x01; // 1 bit private static final byte TIMESTAMP_FLAG = 0x02; // 1 bits private static final byte TEMPERATURE_TYPE_FLAG = 0x04; // 1 bit public static String parse(final Data data) { int offset = 0; final int flags = data.getIntValue(Data.FORMAT_UINT8, offset++); /* * false Temperature is in Celsius degrees * true Temperature is in Fahrenheit degrees */ final boolean fahrenheit = (flags & TEMPERATURE_UNIT_FLAG) > 0; /* * false No Timestamp in the packet * true There is a timestamp information */ final boolean timestampIncluded = (flags & TIMESTAMP_FLAG) > 0; /* * false Temperature type is not included * true Temperature type included in the packet */ final boolean temperatureTypeIncluded = (flags & TEMPERATURE_TYPE_FLAG) > 0; final float tempValue = data.getFloatValue(Data.FORMAT_FLOAT, offset); offset += 4; String dateTime = null; if (timestampIncluded) { dateTime = DateTimeParser.parse(data, offset); offset += 7; } String type = null; if (temperatureTypeIncluded) { type = TemperatureTypeParser.parse(data, offset); // offset++; } final StringBuilder builder = new StringBuilder(); builder.append(String.format(Locale.US, "%.02f", tempValue)); if (fahrenheit) builder.append("°F"); else builder.append("°C"); if (timestampIncluded) builder.append("\nTime: ").append(dateTime); if (temperatureTypeIncluded) builder.append("\nType: ").append(type); return builder.toString(); } }