mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-07-02 01:36:23 +02:00
109 lines
3.8 KiB
Java
109 lines
3.8 KiB
Java
/* Copyright (C) 2016-2021 Andreas Shimokawa, Carsten Pfeiffer, Davis
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Mosenkovs
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by 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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Gadgetbridge 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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.service.devices.huami.miband2;
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import java.util.HashMap;
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import java.util.Map;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareInfo;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareType;
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import nodomain.freeyourgadget.gadgetbridge.util.ArrayUtils;
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public class Mi2FirmwareInfo extends HuamiFirmwareInfo {
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private static final byte[] FW_HEADER = new byte[]{
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(byte) 0xa3,
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(byte) 0x68,
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(byte) 0x04,
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(byte) 0x3b,
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(byte) 0x02,
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(byte) 0xdb,
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(byte) 0xc8,
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(byte) 0x58,
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(byte) 0xd0,
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(byte) 0x50,
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(byte) 0xfa,
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(byte) 0xe7,
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(byte) 0x0c,
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(byte) 0x34,
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(byte) 0xf3,
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(byte) 0xe7,
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};
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private static final int FW_HEADER_OFFSET = 0x150;
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private static final byte FW_MAGIC = (byte) 0xf8;
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private static final int FW_MAGIC_OFFSET = 0x17d;
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private static Map<Integer, String> crcToVersion = new HashMap<>();
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static {
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// firmware
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crcToVersion.put(41899, "1.0.0.39");
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crcToVersion.put(49197, "1.0.0.53");
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crcToVersion.put(32450, "1.0.1.28");
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crcToVersion.put(51770, "1.0.1.34");
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crcToVersion.put(3929, "1.0.1.39");
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crcToVersion.put(47364, "1.0.1.54");
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crcToVersion.put(44776, "1.0.1.59");
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crcToVersion.put(27318, "1.0.1.67");
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crcToVersion.put(54702, "1.0.1.69");
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crcToVersion.put(31698, "1.0.1.81");
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crcToVersion.put(53474, "1.0.1.81 (tph)");
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crcToVersion.put(46048, "1.0.1.81 (tph as7000)");
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crcToVersion.put(19930, "1.0.1.81 (tph india)");
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// fonts
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crcToVersion.put(45624, "Font");
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crcToVersion.put(6377, "Font (En)");
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}
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public Mi2FirmwareInfo(byte[] bytes) {
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super(bytes);
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}
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protected HuamiFirmwareType determineFirmwareType(byte[] bytes) {
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if (ArrayUtils.startsWith(bytes, FT_HEADER)) {
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if (bytes[FONT_TYPE_OFFSET] == 0x00 || bytes[FONT_TYPE_OFFSET] == (byte) 0xff) {
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return HuamiFirmwareType.FONT;
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}
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return HuamiFirmwareType.INVALID;
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}
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if (ArrayUtils.equals(bytes, FW_HEADER, FW_HEADER_OFFSET)
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&& (bytes[FW_MAGIC_OFFSET] == FW_MAGIC)) {
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// TODO: this is certainly not a correct validation, but it works for now
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return HuamiFirmwareType.FIRMWARE;
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}
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return HuamiFirmwareType.INVALID;
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}
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public boolean isGenerallyCompatibleWith(GBDevice device) {
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return isHeaderValid() && device.getType() == DeviceType.MIBAND2;
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}
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protected Map<Integer, String> getCrcMap() {
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return crcToVersion;
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}
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@Override
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protected String searchFirmwareVersion(byte[] fwbytes) {
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// does not work for Mi Band 2
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return null;
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}
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}
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