/* Copyright (C) 2017-2019 Andreas Shimokawa, Daniele Gobbetti
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 . */
package nodomain.freeyourgadget.gadgetbridge.service.devices.huami.miband4;
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 MiBand4FirmwareInfo extends HuamiFirmwareInfo {
private static final byte[] FW_HEADER = new byte[]{
0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, (byte) 0x9c, (byte) 0xe3, 0x7d, 0x5c, 0x00, 0x04
};
private static final int FW_HEADER_OFFSET = 16;
private static Map crcToVersion = new HashMap<>();
static {
// firmware
crcToVersion.put(8969, "1.0.5.22");
crcToVersion.put(43437, "1.0.5.66");
crcToVersion.put(31632, "1.0.6.00");
crcToVersion.put(6856, "1.0.7.14");
// resources
crcToVersion.put(27412, "1.0.5.22");
crcToVersion.put(5466, "1.0.5.66");
crcToVersion.put(20047, "1.0.6.00");
crcToVersion.put(62914, "1.0.7.14");
// font
crcToVersion.put(31978, "1");
}
public MiBand4FirmwareInfo(byte[] bytes) {
super(bytes);
}
@Override
protected HuamiFirmwareType determineFirmwareType(byte[] bytes) {
if (ArrayUtils.equals(bytes, RES_HEADER, COMPRESSED_RES_HEADER_OFFSET) || ArrayUtils.equals(bytes, NEWRES_HEADER, COMPRESSED_RES_HEADER_OFFSET_NEW) || ArrayUtils.equals(bytes, NEWRES_HEADER, COMPRESSED_RES_HEADER_OFFSET)) {
return HuamiFirmwareType.RES_COMPRESSED;
}
if (ArrayUtils.equals(bytes, FW_HEADER, FW_HEADER_OFFSET)) {
if (searchString32BitAligned(bytes, "Mi Smart Band 4")) {
return HuamiFirmwareType.FIRMWARE;
}
return HuamiFirmwareType.INVALID;
}
if (ArrayUtils.startsWith(bytes, WATCHFACE_HEADER)) {
return HuamiFirmwareType.WATCHFACE;
}
if (ArrayUtils.startsWith(bytes, NEWFT_HEADER)) {
if (bytes[10] == 0x03 || bytes[10] == 0x06) {
return HuamiFirmwareType.FONT;
}
}
// somebody might have unpacked the compressed res
if (ArrayUtils.startsWith(bytes, RES_HEADER)) {
return HuamiFirmwareType.RES;
}
return HuamiFirmwareType.INVALID;
}
@Override
public boolean isGenerallyCompatibleWith(GBDevice device) {
return isHeaderValid() && device.getType() == DeviceType.MIBAND4;
}
@Override
protected Map getCrcMap() {
return crcToVersion;
}
}