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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/UpdateFirmwareOperation2020.java
2023-06-08 13:36:53 +01:00

290 lines
12 KiB
Java

/* Copyright (C) 2020-2021 Andreas Shimokawa
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.operations;
import android.net.Uri;
import android.widget.Toast;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.Arrays;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiService;
import nodomain.freeyourgadget.gadgetbridge.service.btle.BLETypeConversions;
import nodomain.freeyourgadget.gadgetbridge.service.btle.TransactionBuilder;
import nodomain.freeyourgadget.gadgetbridge.service.btle.actions.SetDeviceBusyAction;
import nodomain.freeyourgadget.gadgetbridge.service.btle.actions.SetProgressAction;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.AbstractHuamiFirmwareInfo;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareType;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiSupport;
import nodomain.freeyourgadget.gadgetbridge.util.ArrayUtils;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
import static nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareInfo.UIHH_HEADER;
public class UpdateFirmwareOperation2020 extends UpdateFirmwareOperation {
private static final Logger LOG = LoggerFactory.getLogger(UpdateFirmwareOperation2020.class);
public UpdateFirmwareOperation2020(Uri uri, HuamiSupport support) {
super(uri, support);
}
public static final byte COMMAND_REQUEST_PARAMETERS = (byte) 0xd0;
public static final byte COMMAND_UNKNOWN_D1 = (byte) 0xd1;
public static final byte COMMAND_SEND_FIRMWARE_INFO = (byte) 0xd2;
public static final byte COMMAND_START_TRANSFER = (byte) 0xd3;
public static final byte REPLY_UPDATE_PROGRESS = (byte) 0xd4;
public static final byte COMMAND_COMPLETE_TRANSFER = (byte) 0xd5;
public static final byte COMMAND_FINALIZE_UPDATE = (byte) 0xd6;
protected int mChunkLength = -1;
@Override
protected void doPerform() throws IOException {
firmwareInfo = createFwInfo(uri, getContext());
if (!firmwareInfo.isGenerallyCompatibleWith(getDevice())) {
throw new IOException("Firmware is not compatible with the given device: " + getDevice().getAddress());
}
if (!requestParameters()) {
displayMessage(getContext(), "Error requesting parameters, aborting.", Toast.LENGTH_LONG, GB.ERROR);
done();
}
}
@Override
protected void handleNotificationNotif(byte[] value) {
boolean success = (value[2] == HuamiService.SUCCESS) || ((value[1] == REPLY_UPDATE_PROGRESS) && value.length >= 6); // ugly
if (value[0] == HuamiService.RESPONSE && success) {
try {
switch (value[1]) {
case COMMAND_REQUEST_PARAMETERS: {
mChunkLength = (value[4] & 0xff) | ((value[5] & 0xff) << 8);
LOG.info("got chunk length of " + mChunkLength);
sendFwInfo();
break;
}
case COMMAND_SEND_FIRMWARE_INFO:
sendTransferStart();
break;
case COMMAND_START_TRANSFER:
sendFirmwareDataChunk(getFirmwareInfo(), 0);
break;
case HuamiService.COMMAND_FIRMWARE_START_DATA:
sendChecksum(getFirmwareInfo());
break;
case REPLY_UPDATE_PROGRESS:
int offset = (value[2] & 0xff) | ((value[3] & 0xff) << 8) | ((value[4] & 0xff) << 16) | ((value[5] & 0xff) << 24);
LOG.info("update progress " + offset + " bytes");
sendFirmwareDataChunk(getFirmwareInfo(), offset);
break;
case COMMAND_COMPLETE_TRANSFER:
sendFinalize();
break;
case COMMAND_FINALIZE_UPDATE: {
if (getFirmwareInfo().getFirmwareType() == HuamiFirmwareType.FIRMWARE) {
TransactionBuilder builder = performInitialized("reboot");
getSupport().sendReboot(builder);
builder.queue(getQueue());
} else {
GB.updateInstallNotification(getContext().getString(R.string.updatefirmwareoperation_update_complete), false, 100, getContext());
done();
}
break;
}
case HuamiService.COMMAND_FIRMWARE_REBOOT: {
LOG.info("Reboot command successfully sent.");
GB.updateInstallNotification(getContext().getString(R.string.updatefirmwareoperation_update_complete), false, 100, getContext());
done();
break;
}
default: {
LOG.error("Unexpected response during firmware update: ");
getSupport().logMessageContent(value);
operationFailed();
displayMessage(getContext(), getContext().getString(R.string.updatefirmwareoperation_updateproblem_do_not_reboot), Toast.LENGTH_LONG, GB.ERROR);
done();
}
}
} catch (Exception ex) {
displayMessage(getContext(), getContext().getString(R.string.updatefirmwareoperation_updateproblem_do_not_reboot), Toast.LENGTH_LONG, GB.ERROR);
done();
}
} else {
LOG.error("Unexpected notification during firmware update: ");
operationFailed();
getSupport().logMessageContent(value);
displayMessage(getContext(), getContext().getString(R.string.updatefirmwareoperation_metadata_updateproblem), Toast.LENGTH_LONG, GB.ERROR);
done();
}
}
public boolean sendFwInfo() {
try {
TransactionBuilder builder = performInitialized("send firmware info");
builder.add(new SetDeviceBusyAction(getDevice(), getContext().getString(R.string.updating_firmware), getContext()));
int fwSize = getFirmwareInfo().getSize();
byte[] sizeBytes = BLETypeConversions.fromUint32(fwSize);
byte[] bytes = buildFirmwareInfoCommand();
if (getFirmwareInfo().getFirmwareType() == HuamiFirmwareType.WATCHFACE) {
byte[] fwBytes = firmwareInfo.getBytes();
if (ArrayUtils.startsWith(fwBytes, UIHH_HEADER)) {
getSupport().writeToConfiguration(builder,
new byte[]{0x39, 0x00,
sizeBytes[0],
sizeBytes[1],
sizeBytes[2],
sizeBytes[3],
fwBytes[18],
fwBytes[19],
fwBytes[20],
fwBytes[21]
});
}
}
builder.write(fwCControlChar, bytes);
builder.queue(getQueue());
return true;
} catch (IOException e) {
LOG.error("Error sending firmware info: " + e.getLocalizedMessage(), e);
return false;
}
}
protected byte[] buildFirmwareInfoCommand() {
int fwSize = getFirmwareInfo().getSize();
byte[] sizeBytes = BLETypeConversions.fromUint32(fwSize);
int crc32 = firmwareInfo.getCrc32();
byte[] chunkSizeBytes = BLETypeConversions.fromUint16(mChunkLength);
byte[] crcBytes = BLETypeConversions.fromUint32(crc32);
return new byte[]{
COMMAND_SEND_FIRMWARE_INFO,
getFirmwareInfo().getFirmwareType().getValue(),
sizeBytes[0],
sizeBytes[1],
sizeBytes[2],
sizeBytes[3],
crcBytes[0],
crcBytes[1],
crcBytes[2],
crcBytes[3],
chunkSizeBytes[0],
chunkSizeBytes[1],
0, // 0 to update in foreground, 1 for background
0, // index
1, // count
sizeBytes[0], // total size? right now it is equal to the size above
sizeBytes[1],
sizeBytes[2],
sizeBytes[3]
};
}
public boolean requestParameters() {
try {
TransactionBuilder builder = performInitialized("get update capabilities");
byte[] bytes = new byte[]{COMMAND_REQUEST_PARAMETERS};
builder.write(fwCControlChar, bytes);
builder.queue(getQueue());
return true;
} catch (IOException e) {
LOG.error("Error sending firmware info: " + e.getLocalizedMessage(), e);
return false;
}
}
private boolean sendFirmwareDataChunk(AbstractHuamiFirmwareInfo info, int offset) {
byte[] fwbytes = info.getBytes();
int len = fwbytes.length;
int remaining = len - offset;
final int packetLength = getSupport().getMTU() - 3;
int chunkLength = mChunkLength;
if (remaining < mChunkLength) {
chunkLength = remaining;
}
int packets = chunkLength / packetLength;
int chunkProgress = 0;
try {
if (remaining <= 0) {
sendTransferComplete();
return true;
}
TransactionBuilder builder = performInitialized("send firmware packets");
for (int i = 0; i < packets; i++) {
byte[] fwChunk = Arrays.copyOfRange(fwbytes, offset + i * packetLength, offset + i * packetLength + packetLength);
builder.write(fwCDataChar, fwChunk);
chunkProgress += packetLength;
}
if (chunkProgress < chunkLength) {
byte[] lastChunk = Arrays.copyOfRange(fwbytes, offset + packets * packetLength, offset + packets * packetLength + (chunkLength - chunkProgress));
builder.write(fwCDataChar, lastChunk);
}
int progressPercent = (int) ((((float) (offset + chunkLength)) / len) * 100);
builder.add(new SetProgressAction(getContext().getString(R.string.updatefirmwareoperation_update_in_progress), true, progressPercent, getContext()));
builder.queue(getQueue());
} catch (IOException ex) {
LOG.error("Unable to send fw to device", ex);
GB.updateInstallNotification(getContext().getString(R.string.updatefirmwareoperation_firmware_not_sent), false, 0, getContext());
return false;
}
return true;
}
protected void sendTransferStart() throws IOException {
TransactionBuilder builder = performInitialized("transfer complete");
builder.write(fwCControlChar, new byte[]{
COMMAND_START_TRANSFER, 1,
});
builder.queue(getQueue());
}
protected void sendTransferComplete() throws IOException {
TransactionBuilder builder = performInitialized("transfer complete");
builder.write(fwCControlChar, new byte[]{
COMMAND_COMPLETE_TRANSFER,
});
builder.queue(getQueue());
}
protected void sendFinalize() throws IOException {
TransactionBuilder builder = performInitialized("finalize firmware");
builder.write(fwCControlChar, new byte[]{
COMMAND_FINALIZE_UPDATE,
});
builder.queue(getQueue());
}
}