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Mi Band 4: WIP firmware update preparation

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Andreas Shimokawa 2019-07-23 23:49:21 +02:00
parent 9042966a40
commit 044f6c11cd
3 changed files with 179 additions and 0 deletions
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40
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huami/miband4/MiBand4FWHelper.java Normal file
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/* Copyright (C) 2017-2019 Andreas Shimokawa, Carsten Pfeiffer
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.devices.huami.miband4;
import android.content.Context;
import android.net.Uri;
import java.io.IOException;
import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiFWHelper;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.miband4.MiBand4FirmwareInfo;
public class MiBand4FWHelper extends HuamiFWHelper {
public MiBand4FWHelper(Uri uri, Context context) throws IOException {
super(uri, context);
}
@Override
protected void determineFirmwareInfo(byte[] wholeFirmwareBytes) {
firmwareInfo = new MiBand4FirmwareInfo(wholeFirmwareBytes);
if (!firmwareInfo.isHeaderValid()) {
throw new IllegalArgumentException("Not a Mi Band 4 firmware");
}
}
}

50
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huami/miband4/MiBand4FWInstallHandler.java Normal file
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/* Copyright (C) 2015-2019 Andreas Shimokawa, Carsten Pfeiffer
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.devices.huami.miband4;
import android.content.Context;
import android.net.Uri;
import java.io.IOException;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.devices.huami.miband3.MiBand3FWHelper;
import nodomain.freeyourgadget.gadgetbridge.devices.miband.AbstractMiBandFWHelper;
import nodomain.freeyourgadget.gadgetbridge.devices.miband.AbstractMiBandFWInstallHandler;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
class MiBand4FWInstallHandler extends AbstractMiBandFWInstallHandler {
MiBand4FWInstallHandler(Uri uri, Context context) {
super(uri, context);
}
@Override
protected String getFwUpgradeNotice() {
return mContext.getString(R.string.fw_upgrade_notice_miband4, helper.getHumanFirmwareVersion());
}
@Override
protected AbstractMiBandFWHelper createHelper(Uri uri, Context context) throws IOException {
return new MiBand4FWHelper(uri, context);
}
@Override
protected boolean isSupportedDeviceType(GBDevice device) {
return device.getType() == DeviceType.MIBAND4;
}
}

89
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/miband4/MiBand4FirmwareInfo.java Normal file
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/* Copyright (C) 2017-2019 Andreas Shimokawa, Carsten Pfeiffer
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.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<Integer, String> crcToVersion = new HashMap<>();
static {
// firmware
crcToVersion.put(8969, "1.0.5.22");
// resources
crcToVersion.put(27412, "1.0.5.22");
// 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) {
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<Integer, String> getCrcMap() {
return crcToVersion;
}
}