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Gadgetbridge
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Mi Band 4: Support flashing watchfaces 

FLASHING FIRMWARE/RES/FONT IS STILL UNTESTED
This commit is contained in:
Andreas Shimokawa 2019-07-25 20:51:28 +02:00
parent 1e3fbfe8b4
commit b6e78c1b9c
6 changed files with 148 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiFirmwareInfo.java
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@ -106,12 +106,14 @@ public abstract class HuamiFirmwareInfo {
}
private final int crc16;
private final int crc32;
private byte[] bytes;
public HuamiFirmwareInfo(byte[] bytes) {
this.bytes = bytes;
crc16 = CheckSums.getCRC16(bytes);
crc32 = CheckSums.getCRC32(bytes);
firmwareType = determineFirmwareType(bytes);
}
@ -140,6 +142,9 @@ public abstract class HuamiFirmwareInfo {
public int getCrc16() {
return crc16;
}
public int getCrc32() {
return crc32;
}
public int getFirmwareVersion() {
return getCrc16(); // HACK until we know how to determine the version from the fw bytes

7
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiSupport.java
View File

@ -113,7 +113,6 @@ import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.actions.StopNo
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.miband2.Mi2NotificationStrategy;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.miband2.Mi2TextNotificationStrategy;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.FetchActivityOperation;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.FetchSportsSummaryOperation;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.InitOperation;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.UpdateFirmwareOperation;
import nodomain.freeyourgadget.gadgetbridge.service.devices.miband.NotificationStrategy;
@ -1000,7 +999,7 @@ public class HuamiSupport extends AbstractBTLEDeviceSupport {
@Override
public void onInstallApp(Uri uri) {
try {
new UpdateFirmwareOperation(uri, this).perform();
createUpdateFirmwareOperation(uri).perform();
} catch (IOException ex) {
GB.toast(getContext(), "Firmware cannot be installed: " + ex.getMessage(), Toast.LENGTH_LONG, GB.ERROR, ex);
}
@ -1965,4 +1964,8 @@ public class HuamiSupport extends AbstractBTLEDeviceSupport {
public HuamiFWHelper createFWHelper(Uri uri, Context context) throws IOException {
return new MiBand2FWHelper(uri, context);
}
public UpdateFirmwareOperation createUpdateFirmwareOperation(Uri uri) {
return new UpdateFirmwareOperation(uri, this);
}
}

6
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/miband4/MiBand4Support.java
View File

@ -24,6 +24,7 @@ import java.io.IOException;
import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiFWHelper;
import nodomain.freeyourgadget.gadgetbridge.devices.huami.miband4.MiBand4FWHelper;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.miband3.MiBand3Support;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.UpdateFirmwareOperationNew;
public class MiBand4Support extends MiBand3Support {
@ -36,4 +37,9 @@ public class MiBand4Support extends MiBand3Support {
public HuamiFWHelper createFWHelper(Uri uri, Context context) throws IOException {
return new MiBand4FWHelper(uri, context);
}
@Override
public UpdateFirmwareOperationNew createUpdateFirmwareOperation(Uri uri) {
return new UpdateFirmwareOperationNew(uri, this);
}
}

37
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/UpdateFirmwareOperation.java
View File

@ -50,8 +50,8 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
private static final Logger LOG = LoggerFactory.getLogger(UpdateFirmwareOperation.class);
protected final Uri uri;
protected final BluetoothGattCharacteristic fwCControlChar;
protected final BluetoothGattCharacteristic fwCDataChar;
final BluetoothGattCharacteristic fwCControlChar;
private final BluetoothGattCharacteristic fwCDataChar;
protected final Prefs prefs = GBApplication.getPrefs();
protected HuamiFirmwareInfo firmwareInfo;
@ -81,7 +81,7 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
//the firmware will be sent by the notification listener if the band confirms that the metadata are ok.
}
protected HuamiFirmwareInfo createFwInfo(Uri uri, Context context) throws IOException {
private HuamiFirmwareInfo createFwInfo(Uri uri, Context context) throws IOException {
HuamiFWHelper fwHelper = getSupport().createFWHelper(uri, context);
return fwHelper.getFirmwareInfo();
}
@ -128,8 +128,8 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
* @param value
*/
private void handleNotificationNotif(byte[] value) {
if (value.length != 3) {
LOG.error("Notifications should be 3 bytes long.");
if (value.length != 3 && value.length != 11) {
LOG.error("Notifications should be 3 or 11 bytes long.");
getSupport().logMessageContent(value);
return;
}
@ -160,7 +160,6 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
case HuamiService.COMMAND_FIRMWARE_REBOOT: {
LOG.info("Reboot command successfully sent.");
GB.updateInstallNotification(getContext().getString(R.string.updatefirmwareoperation_update_complete), false, 100, getContext());
// getSupport().onReboot();
done();
break;
}
@ -170,7 +169,6 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
operationFailed();
displayMessage(getContext(), getContext().getString(R.string.updatefirmwareoperation_updateproblem_do_not_reboot), Toast.LENGTH_LONG, GB.ERROR);
done();
return;
}
}
} catch (Exception ex) {
@ -185,7 +183,8 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
done();
}
}
protected void displayMessage(Context context, String message, int duration, int severity) {
private void displayMessage(Context context, String message, int duration, int severity) {
getSupport().handleGBDeviceEvent(new GBDeviceEventDisplayMessage(message, duration, severity));
}
@ -208,7 +207,7 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
bytes[i++] = sizeBytes[1];
bytes[i++] = sizeBytes[2];
if (!isFirmwareCode) {
bytes[i++] = getFirmwareInfo().getFirmwareType().getValue();
bytes[i] = getFirmwareInfo().getFirmwareType().getValue();
}
builder.write(fwCControlChar, bytes);
@ -241,10 +240,7 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
int firmwareProgress = 0;
TransactionBuilder builder = performInitialized("send firmware packet");
if (prefs.getBoolean("mi_low_latency_fw_update", true)) {
getSupport().setLowLatency(builder);
}
builder.write(fwCControlChar, new byte[] { HuamiService.COMMAND_FIRMWARE_START_DATA });
builder.write(fwCControlChar, getFirmwareStartCommand());
for (int i = 0; i < packets; i++) {
byte[] fwChunk = Arrays.copyOfRange(fwbytes, i * packetLength, i * packetLength + packetLength);
@ -262,14 +258,13 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
if (firmwareProgress < len) {
byte[] lastChunk = Arrays.copyOfRange(fwbytes, packets * packetLength, len);
builder.write(fwCDataChar, lastChunk);
firmwareProgress = len;
}
builder.write(fwCControlChar, new byte[]{HuamiService.COMMAND_FIRMWARE_UPDATE_SYNC});
builder.queue(getQueue());
} catch (IOException ex) {
LOG.error("Unable to send fw to MI 2", 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;
}
@ -277,11 +272,11 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
}
private void sendChecksum(HuamiFirmwareInfo firmwareInfo) throws IOException {
protected void sendChecksum(HuamiFirmwareInfo firmwareInfo) throws IOException {
TransactionBuilder builder = performInitialized("send firmware checksum");
int crc16 = firmwareInfo.getCrc16();
byte[] bytes = BLETypeConversions.fromUint16(crc16);
builder.write(fwCControlChar, new byte[] {
builder.write(fwCControlChar, new byte[]{
HuamiService.COMMAND_FIRMWARE_CHECKSUM,
bytes[0],
bytes[1],
@ -289,7 +284,11 @@ public class UpdateFirmwareOperation extends AbstractHuamiOperation {
builder.queue(getQueue());
}
private HuamiFirmwareInfo getFirmwareInfo() {
HuamiFirmwareInfo getFirmwareInfo() {
return firmwareInfo;
}
}
protected byte[] getFirmwareStartCommand() {
return new byte[]{HuamiService.COMMAND_FIRMWARE_START_DATA};
}
}

105
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/UpdateFirmwareOperationNew.java Normal file
View File

@ -0,0 +1,105 @@
/* Copyright (C) 2016-2019 Andreas Shimokawa, Carsten Pfeiffer, 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 <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations;
import android.bluetooth.BluetoothGatt;
import android.bluetooth.BluetoothGattCharacteristic;
import android.content.Context;
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 java.util.UUID;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.deviceevents.GBDeviceEventDisplayMessage;
import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiFWHelper;
import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiService;
import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
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.AbstractHuamiOperation;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareInfo;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareType;
import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiSupport;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
public class UpdateFirmwareOperationNew extends UpdateFirmwareOperation {
private static final Logger LOG = LoggerFactory.getLogger(UpdateFirmwareOperationNew.class);
public UpdateFirmwareOperationNew(Uri uri, HuamiSupport support) {
super(uri, support);
}
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.fromUint24(fwSize);
byte[] bytes = new byte[10];
int i = 0;
bytes[i++] = HuamiService.COMMAND_FIRMWARE_INIT;
bytes[i++] = getFirmwareInfo().getFirmwareType().getValue();
bytes[i++] = sizeBytes[0];
bytes[i++] = sizeBytes[1];
bytes[i++] = sizeBytes[2];
bytes[i++] = 0; // TODO: what is that?
int crc32 = firmwareInfo.getCrc32();
byte[] crcBytes = BLETypeConversions.fromUint32(crc32);
bytes[i++] = crcBytes[0];
bytes[i++] = crcBytes[1];
bytes[i++] = crcBytes[2];
bytes[i] = crcBytes[3];
builder.write(fwCControlChar, bytes);
builder.queue(getQueue());
return true;
} catch (IOException e) {
LOG.error("Error sending firmware info: " + e.getLocalizedMessage(), e);
return false;
}
}
@Override
protected void sendChecksum(HuamiFirmwareInfo firmwareInfo) throws IOException {
TransactionBuilder builder = performInitialized("send firmware upload finished");
builder.write(fwCControlChar, new byte[]{HuamiService.COMMAND_FIRMWARE_CHECKSUM});
builder.queue(getQueue());
}
@Override
protected byte[] getFirmwareStartCommand() {
byte typeByte = 0; //TODO: what is this really?
if (getFirmwareInfo().getFirmwareType() == HuamiFirmwareType.WATCHFACE) {
typeByte = 1;
}
return new byte[]{HuamiService.COMMAND_FIRMWARE_START_DATA, typeByte};
}
}

11
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/CheckSums.java
View File

@ -20,6 +20,7 @@ import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.CRC32;
public class CheckSums {
public static int getCRC8(byte[] seq) {
@ -46,9 +47,9 @@ public class CheckSums {
public static int getCRC16(byte[] seq) {
int crc = 0xFFFF;
for (int j = 0; j < seq.length; j++) {
for (byte b : seq) {
crc = ((crc >>> 8) | (crc << 8)) & 0xffff;
crc ^= (seq[j] & 0xff);//byte to int, trunc sign
crc ^= (b & 0xff);//byte to int, trunc sign
crc ^= ((crc & 0xff) >> 4);
crc ^= (crc << 12) & 0xffff;
crc ^= ((crc & 0xFF) << 5) & 0xffff;
@ -57,6 +58,12 @@ public class CheckSums {
return crc;
}
public static int getCRC32(byte[] seq) {
CRC32 crc = new CRC32();
crc.update(seq);
return (int) (crc.getValue());
}
public static void main(String[] args) throws IOException {
if (args == null || args.length == 0) {
throw new IllegalArgumentException("Pass the files to be checksummed as arguments");