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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/miband2/Mi2FirmwareInfo.java
2021-01-10 23:38:13 +01:00

109 lines
3.8 KiB
Java

/* Copyright (C) 2016-2021 Andreas Shimokawa, Carsten Pfeiffer, Davis
Mosenkovs
This file is part of Gadgetbridge.
Gadgetbridge is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Gadgetbridge is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.service.devices.huami.miband2;
import java.util.HashMap;
import java.util.Map;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareInfo;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareType;
import nodomain.freeyourgadget.gadgetbridge.util.ArrayUtils;
public class Mi2FirmwareInfo extends HuamiFirmwareInfo {
private static final byte[] FW_HEADER = new byte[]{
(byte) 0xa3,
(byte) 0x68,
(byte) 0x04,
(byte) 0x3b,
(byte) 0x02,
(byte) 0xdb,
(byte) 0xc8,
(byte) 0x58,
(byte) 0xd0,
(byte) 0x50,
(byte) 0xfa,
(byte) 0xe7,
(byte) 0x0c,
(byte) 0x34,
(byte) 0xf3,
(byte) 0xe7,
};
private static final int FW_HEADER_OFFSET = 0x150;
private static final byte FW_MAGIC = (byte) 0xf8;
private static final int FW_MAGIC_OFFSET = 0x17d;
private static Map<Integer, String> crcToVersion = new HashMap<>();
static {
// firmware
crcToVersion.put(41899, "1.0.0.39");
crcToVersion.put(49197, "1.0.0.53");
crcToVersion.put(32450, "1.0.1.28");
crcToVersion.put(51770, "1.0.1.34");
crcToVersion.put(3929, "1.0.1.39");
crcToVersion.put(47364, "1.0.1.54");
crcToVersion.put(44776, "1.0.1.59");
crcToVersion.put(27318, "1.0.1.67");
crcToVersion.put(54702, "1.0.1.69");
crcToVersion.put(31698, "1.0.1.81");
crcToVersion.put(53474, "1.0.1.81 (tph)");
crcToVersion.put(46048, "1.0.1.81 (tph as7000)");
crcToVersion.put(19930, "1.0.1.81 (tph india)");
// fonts
crcToVersion.put(45624, "Font");
crcToVersion.put(6377, "Font (En)");
}
public Mi2FirmwareInfo(byte[] bytes) {
super(bytes);
}
protected HuamiFirmwareType determineFirmwareType(byte[] bytes) {
if (ArrayUtils.startsWith(bytes, FT_HEADER)) {
if (bytes[FONT_TYPE_OFFSET] == 0x00 || bytes[FONT_TYPE_OFFSET] == (byte) 0xff) {
return HuamiFirmwareType.FONT;
}
return HuamiFirmwareType.INVALID;
}
if (ArrayUtils.equals(bytes, FW_HEADER, FW_HEADER_OFFSET)
&& (bytes[FW_MAGIC_OFFSET] == FW_MAGIC)) {
// TODO: this is certainly not a correct validation, but it works for now
return HuamiFirmwareType.FIRMWARE;
}
return HuamiFirmwareType.INVALID;
}
public boolean isGenerallyCompatibleWith(GBDevice device) {
return isHeaderValid() && device.getType() == DeviceType.MIBAND2;
}
protected Map<Integer, String> getCrcMap() {
return crcToVersion;
}
@Override
protected String searchFirmwareVersion(byte[] fwbytes) {
// does not work for Mi Band 2
return null;
}
}