102 lines
3.8 KiB
Java
102 lines
3.8 KiB
Java
/* Copyright (C) 2017 Andreas Shimokawa
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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.amazfitbip;
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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.miband2.FirmwareType;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.miband2.Mi2FirmwareInfo;
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import nodomain.freeyourgadget.gadgetbridge.util.ArrayUtils;
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public class AmazfitBipFirmwareInfo extends Mi2FirmwareInfo {
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// total crap maybe
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private static final byte[] GPS_HEADER = new byte[]{
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(byte) 0xcb, 0x51, (byte) 0xc1, 0x30, 0x41, (byte) 0x9e, 0x5e, (byte) 0xd3,
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0x51, 0x35, (byte) 0xdf, 0x66, (byte) 0xed, (byte) 0xd9, 0x5f, (byte) 0xa7
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};
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// guessed - at least it is the same accross current versions and different from other devices
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private static final byte[] FW_HEADER = new byte[]{
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0x68, 0x46, 0x70, 0x47, 0x68, 0x46, 0x70, 0x47,
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0x68, 0x46, 0x70, 0x47, 0x68, 0x46, 0x70, 0x47
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};
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private static final int FW_HEADER_OFFSET = 0x9330;
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private static final byte[] RES_HEADER = new byte[]{ // HMRES resources file (*.res)
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0x48, 0x4d, 0x52, 0x45, 0x53
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};
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private static final byte[] GPS_ALMANAC_HEADER = new byte[]{ // probably wrong
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(byte) 0xa0, (byte) 0x80, 0x08, 0x00, (byte) 0x8b, 0x07
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};
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private static final byte[] GPS_CEP_HEADER = new byte[]{ // probably wrong
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0x2a, 0x12, (byte) 0xa0, 0x02
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};
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static {
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// firmware
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crcToVersion.put(25257, "0.0.8.74");
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crcToVersion.put(57724, "0.0.8.88");
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crcToVersion.put(27668, "0.0.8.96");
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crcToVersion.put(60173, "0.0.8.97");
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crcToVersion.put(3462, "0.0.8.98");
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crcToVersion.put(55420, "0.0.9.14");
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// resources
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crcToVersion.put(12586, "RES 0.0.8.74");
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crcToVersion.put(34068, "RES 0.0.8.88");
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crcToVersion.put(59839, "RES 0.0.8.96-98");
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crcToVersion.put(50401, "RES 0.0.9.14");
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// gps
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crcToVersion.put(61520, "GPS 9367,8f79a91,0,0,");
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}
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public AmazfitBipFirmwareInfo(byte[] bytes) {
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super(bytes);
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}
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@Override
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protected FirmwareType determineFirmwareType(byte[] bytes) {
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if (ArrayUtils.startsWith(bytes, RES_HEADER)) {
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return FirmwareType.RES;
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}
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if (ArrayUtils.startsWith(bytes, GPS_HEADER)) {
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return FirmwareType.GPS;
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}
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if (ArrayUtils.startsWith(bytes, GPS_ALMANAC_HEADER)) {
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return FirmwareType.GPS_ALMANAC;
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}
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if (ArrayUtils.startsWith(bytes, GPS_CEP_HEADER)) {
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return FirmwareType.GPS_CEP;
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}
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if (ArrayUtils.equals(bytes, FW_HEADER, FW_HEADER_OFFSET)) {
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// TODO: this is certainly not a correct validation, but it works for now
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return FirmwareType.FIRMWARE;
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}
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return FirmwareType.INVALID;
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}
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@Override
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public boolean isGenerallyCompatibleWith(GBDevice device) {
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return isHeaderValid() && device.getType() == DeviceType.AMAZFITBIP;
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}
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}
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