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WIP: Lots of work towards double firmware update for Mi 1S #234

This commit is contained in:
cpfeiffer 2016-03-11 01:31:16 +01:00
parent 3f39928df5
commit 91f02ae920
7 changed files with 446 additions and 58 deletions
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35
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandFWHelper.java
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@ -12,9 +12,15 @@ import java.io.IOException;
import java.io.InputStream;
import java.util.Locale;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.service.devices.miband.Mi1SInfo;
import nodomain.freeyourgadget.gadgetbridge.util.FileUtils;
/**
* Also see Mi1SInfo.
*/
public class MiBandFWHelper {
private static final Logger LOG = LoggerFactory.getLogger(MiBandFWHelper.class);
private static final int MI_FW_BASE_OFFSET = 1056;
@ -117,10 +123,29 @@ public class MiBandFWHelper {
return (fw[getOffsetFirmwareVersionMajor()] << 24) | (fw[getOffsetFirmwareVersionMinor()] << 16) | (fw[getOffsetFirmwareVersionRevision()] << 8) | fw[getOffsetFirmwareVersionBuild()];
}
public static String formatFirmwareVersion(int version) {
if (version == -1)
return GBApplication.getContext().getString(R.string._unknown_);
return String.format("%d.%d.%d.%d",
version >> 24 & 255,
version >> 16 & 255,
version >> 8 & 255,
version & 255);
}
public String getHumanFirmwareVersion() {
return String.format(Locale.US, "%d.%d.%d.%d", fw[getOffsetFirmwareVersionMajor()], fw[getOffsetFirmwareVersionMinor()], fw[getOffsetFirmwareVersionRevision()], fw[getOffsetFirmwareVersionBuild()]);
}
public String getHumanFirmwareVersion2() {
return format(Mi1SInfo.getFirmware2VersionFrom(getFw()));
}
public String format(int version) {
return formatFirmwareVersion(version);
}
public byte[] getFw() {
return fw;
}
@ -142,9 +167,13 @@ public class MiBandFWHelper {
if (MiBandConst.MI_1A.equals(deviceHW)) {
return getFirmwareVersionMajor() == 5;
}
// if (MiBandConst.MI_1S.equals(deviceHW)) {
// return getFirmwareVersionMajor() == 4;
// }
if (true || MiBandConst.MI_1S.equals(deviceHW)) { // FIXME: REMOVE TEMPORARY HACK
return getFirmwareVersionMajor() == 4;
}
return false;
}
public boolean isSingleFirmware() {
return Mi1SInfo.isSingleMiBandFirmware(getFw());
}
}

8
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandFWInstallHandler.java
View File

@ -56,7 +56,13 @@ public class MiBandFWInstallHandler implements InstallHandler {
installActivity.setInstallEnabled(false);
return;
}
StringBuilder builder = new StringBuilder(mContext.getString(R.string.fw_upgrade_notice, helper.getHumanFirmwareVersion()));
StringBuilder builder = new StringBuilder();
if (helper.isSingleFirmware()) {
builder.append(mContext.getString(R.string.fw_upgrade_notice, helper.getHumanFirmwareVersion()));
} else {
builder.append(mContext.getString(R.string.fw_multi_upgrade_notice, helper.getHumanFirmwareVersion(), helper.getHumanFirmwareVersion2()));
}
if (helper.isFirmwareWhitelisted()) {
builder.append(" ").append(mContext.getString(R.string.miband_firmware_known));

39
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/DeviceInfo.java
View File

@ -1,17 +1,23 @@
package nodomain.freeyourgadget.gadgetbridge.service.devices.miband;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst;
import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandFWHelper;
import nodomain.freeyourgadget.gadgetbridge.util.CheckSums;
public class DeviceInfo extends AbstractInfo {
public final String deviceId;
public final int profileVersion;
/**
* Mi Band firmware version identifier
*/
public final int fwVersion;
public final int hwVersion;
public final int feature;
public final int appearance;
/**
* Heart rate firmware version identifier
*/
public final int fw2Version;
private boolean isChecksumCorrect(byte[] data) {
@ -29,6 +35,15 @@ public class DeviceInfo extends AbstractInfo {
hwVersion = data[6] & 255;
appearance = data[5] & 255;
feature = data[4] & 255;
if (data.length == 20) {
int s = 0;
for (int i = 0; i < 4; ++i) {
s |= (data[16 + i] & 255) << i * 8;
}
fw2Version = s;
} else {
fw2Version = -1;
}
} else {
deviceId = "crc error";
profileVersion = -1;
@ -36,6 +51,7 @@ public class DeviceInfo extends AbstractInfo {
hwVersion = -1;
feature = -1;
appearance = -1;
fw2Version = -1;
}
}
@ -52,20 +68,21 @@ public class DeviceInfo extends AbstractInfo {
}
public String getHumanFirmwareVersion() {
if (fwVersion == -1)
return GBApplication.getContext().getString(R.string._unknown_);
return MiBandFWHelper.formatFirmwareVersion(fwVersion);
}
return String.format("%d.%d.%d.%d",
fwVersion >> 24 & 255,
fwVersion >> 16 & 255,
fwVersion >> 8 & 255,
fwVersion & 255);
public String getHumanFirmware2Version() {
return MiBandFWHelper.formatFirmwareVersion(fw2Version);
}
public int getFirmwareVersion() {
return fwVersion;
}
public int getHeartrateFirmwareVersion() {
return fw2Version;
}
@Override
public String toString() {
return "DeviceInfo{" +
@ -75,6 +92,7 @@ public class DeviceInfo extends AbstractInfo {
", hwVersion=" + hwVersion +
", feature=" + feature +
", appearance=" + appearance +
", fw2Version (hr)=" + fw2Version+
'}';
}
@ -99,7 +117,8 @@ public class DeviceInfo extends AbstractInfo {
return MiBandConst.MI_1A;
}
if (isMilli1S()) {
return MiBandConst.MI_1S;
return getHumanFirmware2Version();
// return MiBandConst.MI_1S;
}
return "?";
}

64
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/Mi1SInfo.java Normal file
View File

@ -0,0 +1,64 @@
package nodomain.freeyourgadget.gadgetbridge.service.devices.miband;
/**
* FW1 is Mi Band firmware
* FW2 is heartrate firmware
*/
public class Mi1SInfo {
public static int getFirmware2OffsetIn(byte[] wholeFirmwareBytes)
{
return (wholeFirmwareBytes[26] & 255) << 24
| (wholeFirmwareBytes[27] & 255) << 16
| (wholeFirmwareBytes[28] & 255) << 8
| (wholeFirmwareBytes[29] & 255);
}
public static int getFirmware2LengthIn(byte[] wholeFirmwareBytes)
{
return (wholeFirmwareBytes[30] & 255) << 24
| (wholeFirmwareBytes[31] & 255) << 16
| (wholeFirmwareBytes[32] & 255) << 8
| (wholeFirmwareBytes[33] & 255);
}
public static int getFirmware1OffsetIn(byte[] wholeFirmwareBytes)
{
return (wholeFirmwareBytes[12] & 255) << 24
| (wholeFirmwareBytes[13] & 255) << 16
| (wholeFirmwareBytes[14] & 255) << 8
| (wholeFirmwareBytes[15] & 255);
}
public static int getFirmware1LengthIn(byte[] wholeFirmwareBytes)
{
return (wholeFirmwareBytes[16] & 255) << 24
| (wholeFirmwareBytes[17] & 255) << 16
| (wholeFirmwareBytes[18] & 255) << 8
| (wholeFirmwareBytes[19] & 255);
}
public static int getFirmware1VersionFrom(byte[] wholeFirmwareBytes)
{
return (wholeFirmwareBytes[8] & 255) << 24
| (wholeFirmwareBytes[9] & 255) << 16
| (wholeFirmwareBytes[10] & 255) << 8
| wholeFirmwareBytes[11] & 255;
}
public static int getFirmware2VersionFrom(byte[] wholeFirmwareBytes)
{
return (wholeFirmwareBytes[22] & 255) << 24
| (wholeFirmwareBytes[23] & 255) << 16
| (wholeFirmwareBytes[24] & 255) << 8
| wholeFirmwareBytes[25] & 255;
}
public static boolean isSingleMiBandFirmware(byte[] wholeFirmwareBytes) {
if ((wholeFirmwareBytes[7] & 255) != 1) {
return false;
}
return false;// FIXME: hack -- should be true!
}
}

1
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/operations/FetchActivityOperation.java
View File

@ -319,7 +319,6 @@ public class FetchActivityOperation extends AbstractMiBandOperation {
int numSamples = activityStruct.activityDataHolderProgress / bpm;
ActivitySample[] samples = new ActivitySample[numSamples];
SampleProvider sampleProvider = new MiBandSampleProvider();
int s = 0;
for (int i = 0; i < activityStruct.activityDataHolderProgress; i += bpm) {
category = activityStruct.activityDataHolder[i];

356
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband/operations/UpdateFirmwareOperation.java
View File

@ -18,6 +18,7 @@ import nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandService;
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.miband.Mi1SInfo;
import nodomain.freeyourgadget.gadgetbridge.service.devices.miband.MiBandSupport;
import nodomain.freeyourgadget.gadgetbridge.util.CheckSums;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
@ -27,8 +28,9 @@ public class UpdateFirmwareOperation extends AbstractMiBandOperation {
private final Uri uri;
private boolean firmwareInfoSent = false;
private byte[] newFirmware;
private boolean rebootWhenBandReady = false;
// private byte[] newFirmware;
// private boolean rebootWhenBandReady = false;
private UpdateCoordinator updateCoordinator;
public UpdateFirmwareOperation(Uri uri, MiBandSupport support) {
super(support);
@ -38,20 +40,25 @@ public class UpdateFirmwareOperation extends AbstractMiBandOperation {
@Override
protected void doPerform() throws IOException {
MiBandFWHelper mFwHelper = new MiBandFWHelper(uri, getContext());
String mMac = getDevice().getAddress();
String[] mMacOctets = mMac.split(":");
int newFwVersion = mFwHelper.getFirmwareVersion();
int oldFwVersion = getSupport().getDeviceInfo().getFirmwareVersion();
int checksum = (Integer.decode("0x" + mMacOctets[4]) << 8 | Integer.decode("0x" + mMacOctets[5])) ^ CheckSums.getCRC16(mFwHelper.getFw());
// if (getSupport().supportsHeartRate()) {
updateCoordinator = prepareFirmwareInfo1S(mFwHelper.getFw());
// } else {
// updateCoordinator = sendFirmwareInfo(mFwHelper.getFw(), mFwHelper.getFirmwareVersion());
// }
sendFirmwareInfo(oldFwVersion, newFwVersion, mFwHelper.getFw().length, checksum);
firmwareInfoSent = true;
newFirmware = mFwHelper.getFw();
updateCoordinator.initNextOperation();
updateCoordinator.initNextOperation(); // FIXME: remove, just testing mi band fw update
firmwareInfoSent = updateCoordinator.sendFwInfo();
if (!firmwareInfoSent) {
GB.toast(getContext(), "Error sending firmware info, aborting.", Toast.LENGTH_LONG, GB.ERROR);
done();
}
//the firmware will be sent by the notification listener if the band confirms that the metadata are ok.
}
private void done() {
updateCoordinator = null;
operationFinished();
unsetBusy();
}
@ -83,32 +90,49 @@ public class UpdateFirmwareOperation extends AbstractMiBandOperation {
getSupport().logMessageContent(value);
return;
}
if (updateCoordinator == null) {
LOG.error("received notification when updateCoordinator is null, ignoring!");
return;
}
switch (value[0]) {
case MiBandService.NOTIFY_FW_CHECK_SUCCESS:
if (firmwareInfoSent && newFirmware != null) {
if (sendFirmwareData(newFirmware)) {
rebootWhenBandReady = true;
// if (firmwareInfoSent && newFirmware != null) {
if (firmwareInfoSent) {
GB.toast(getContext(), "Firmware metadata successfully sent.", Toast.LENGTH_LONG, GB.INFO);
if (updateCoordinator.sendFwData()) {
// if (sendFirmwareData(newFirmware)) {
// rebootWhenBandReady = true; // disabled for testing
} else {
//TODO: the firmware transfer failed, but the miband should be still functional with the old firmware. What should we do?
GB.toast(getContext().getString(R.string.updatefirmwareoperation_updateproblem_do_not_reboot), Toast.LENGTH_LONG, GB.ERROR);
done();
}
firmwareInfoSent = false;
newFirmware = null;
// newFirmware = null;
}
break;
case MiBandService.NOTIFY_FW_CHECK_FAILED:
GB.toast(getContext().getString(R.string.updatefirmwareoperation_metadata_updateproblem), Toast.LENGTH_LONG, GB.ERROR);
firmwareInfoSent = false;
newFirmware = null;
// newFirmware = null;
done();
break;
case MiBandService.NOTIFY_FIRMWARE_UPDATE_SUCCESS:
if (rebootWhenBandReady) {
if (updateCoordinator.initNextOperation()) {
GB.toast(getContext(), "Heart Rate Firmware successfully updated, now updating Mi Band Firmware", Toast.LENGTH_LONG, GB.INFO);
if (!updateCoordinator.sendFwInfo()) {
GB.toast(getContext(), "Sending Mi Band Firmware failed, aborting. Do NOT reboot your Mi Band!", Toast.LENGTH_LONG, GB.INFO);
done();
}
break;
} else if (updateCoordinator.needsReboot()) {
GB.toast(getContext(), getContext().getString(R.string.updatefirmwareoperation_update_complete_rebooting), Toast.LENGTH_LONG, GB.INFO);
GB.updateInstallNotification(getContext().getString(R.string.updatefirmwareoperation_update_complete), false, 100, getContext());
getSupport().onReboot();
rebootWhenBandReady = false;
// rebootWhenBandReady = false;
} else {
LOG.error("BUG: Successful firmware update without reboot???");
}
done();
break;
@ -116,7 +140,7 @@ public class UpdateFirmwareOperation extends AbstractMiBandOperation {
//TODO: the firmware transfer failed, but the miband should be still functional with the old firmware. What should we do?
GB.toast(getContext().getString(R.string.updatefirmwareoperation_updateproblem_do_not_reboot), Toast.LENGTH_LONG, GB.ERROR);
GB.updateInstallNotification(getContext().getString(R.string.updatefirmwareoperation_write_failed), false, 0, getContext());
rebootWhenBandReady = false;
// rebootWhenBandReady = false;
done();
break;
@ -126,20 +150,103 @@ public class UpdateFirmwareOperation extends AbstractMiBandOperation {
}
}
/**
* Prepare the MiBand to receive the new firmware data.
* Some information about the new firmware version have to be pushed to the MiBand before sending
* the actual firmare.
* <p/>
* The Mi Band will send a notification after receiving these data to confirm if the metadata looks good to it.
*
* @param currentFwVersion
* @param newFwVersion
* @param newFwSize
* @param checksum
* @see MiBandSupport#handleNotificationNotif
*/
private void sendFirmwareInfo(int currentFwVersion, int newFwVersion, int newFwSize, int checksum) throws IOException {
// /**
// * Prepare the MiBand to receive the new firmware data.
// * Some information about the new firmware version have to be pushed to the MiBand before sending
// * the actual firmare.
// * <p/>
// * The Mi Band will send a notification after receiving these data to confirm if the metadata looks good to it.
// *
// * @param fwBytes
// * @param newFwVersion
// * @see MiBandSupport#handleNotificationNotif
// */
// private byte[] sendFirmwareInfo(int currentFwVersion, int newFwVersion, int newFwSize, int checksum) throws IOException {
// private UpdateCoordinator sendFirmwareInfo(byte[] fwBytes, int newFwVersion) throws IOException {
// int newFwSize = fwBytes.length;
// String mMac = getDevice().getAddress();
// String[] mMacOctets = mMac.split(":");
// int currentFwVersion = getSupport().getDeviceInfo().getFirmwareVersion();
// int checksum = (Integer.decode("0x" + mMacOctets[4]) << 8 | Integer.decode("0x" + mMacOctets[5])) ^ CheckSums.getCRC16(fwBytes);
//
// byte[] fwInfo = new byte[]{
// MiBandService.COMMAND_SEND_FIRMWARE_INFO,
// (byte) currentFwVersion,
// (byte) (currentFwVersion >> 8),
// (byte) (currentFwVersion >> 16),
// (byte) (currentFwVersion >> 24),
// (byte) newFwVersion,
// (byte) (newFwVersion >> 8),
// (byte) (newFwVersion >> 16),
// (byte) (newFwVersion >> 24),
// (byte) newFwSize,
// (byte) (newFwSize >> 8),
// (byte) checksum,
// (byte) (checksum >> 8)
//// (byte) (checksum >> 8),
//// (byte) 0 // TEST, only for Mi1S!
// };
// return new SingleUpdateCoordinator(fwInfo, fwBytes);
// }
private UpdateCoordinator prepareFirmwareInfo1S(byte[] wholeFirmwareBytes) {
int fw2Version = Mi1SInfo.getFirmware2VersionFrom(wholeFirmwareBytes);
int fw2Offset = Mi1SInfo.getFirmware2OffsetIn(wholeFirmwareBytes);
int fw2Length = Mi1SInfo.getFirmware2LengthIn(wholeFirmwareBytes);
int fw1Version = Mi1SInfo.getFirmware1VersionFrom(wholeFirmwareBytes);
int fw1Offset = Mi1SInfo.getFirmware1OffsetIn(wholeFirmwareBytes);
int fw1Length = Mi1SInfo.getFirmware1LengthIn(wholeFirmwareBytes);
String[] mMacOctets = getDevice().getAddress().split(":");
int encodedMac = (Integer.decode("0x" + mMacOctets[4]) << 8 | Integer.decode("0x" + mMacOctets[5]));
byte[] fw2Bytes = new byte[fw2Length];
System.arraycopy(wholeFirmwareBytes, fw2Offset, fw2Bytes, 0, fw2Length);
int fw2Checksum = CheckSums.getCRC16(fw2Bytes) ^ encodedMac;
byte[] fw1Bytes = new byte[fw1Length];
System.arraycopy(wholeFirmwareBytes, fw1Offset, fw1Bytes, 0, fw1Length);
int fw1Checksum = encodedMac ^ CheckSums.getCRC16(fw1Bytes);
// check firmware validity?
int fw1OldVersion = getSupport().getDeviceInfo().getFirmwareVersion();
int fw2OldVersion = getSupport().getDeviceInfo().getHeartrateFirmwareVersion();
boolean rebootWhenFinished = true;
if (Mi1SInfo.isSingleMiBandFirmware(wholeFirmwareBytes)) {
LOG.info("is single Mi Band firmware");
byte[] fw1Info = prepareFirmwareInfo(fw1Bytes, fw1OldVersion, fw1Version, fw1Checksum, 0, rebootWhenFinished /*, progress monitor */);
return new SingleUpdateCoordinator(fw1Info, fw1Bytes, rebootWhenFinished);
} else {
LOG.info("is multi Mi Band firmware, sending fw2 (hr) now");
byte[] fw2Info = prepareFirmwareInfo(fw2Bytes, fw2OldVersion, fw2Version, fw2Checksum, 1, rebootWhenFinished /*, progress monitor */);
byte[] fw1Info = prepareFirmwareInfo(fw1Bytes, fw1OldVersion, fw1Version, fw1Checksum, 1, rebootWhenFinished /*, progress monitor */);
return new DoubleUpdateCoordinator(fw1Info, fw1Bytes, fw2Info, fw2Bytes, rebootWhenFinished);
}
}
// private Transaction createUpdateFirmwareTransaction() {
//
// }
private byte[] prepareFirmwareInfo(byte[] fwBytes, int currentFwVersion, int newFwVersion, int checksum, int something, boolean reboot) {
byte[] fwInfo;
switch (something) {
case -1:
fwInfo = prepareFirmwareUpdateA(currentFwVersion, newFwVersion, fwBytes.length, checksum);
break;
case -2:
fwInfo = prepareFirmwareUpdateB(currentFwVersion, newFwVersion, fwBytes.length, checksum, 0);
break;
default:
fwInfo = prepareFirmwareUpdateB(currentFwVersion, newFwVersion, fwBytes.length, checksum, something);
}
return fwInfo;
}
private byte[] prepareFirmwareUpdateA(int currentFwVersion, int newFwVersion, int newFwSize, int checksum) {
byte[] fwInfo = new byte[]{
MiBandService.COMMAND_SEND_FIRMWARE_INFO,
(byte) currentFwVersion,
@ -154,15 +261,50 @@ public class UpdateFirmwareOperation extends AbstractMiBandOperation {
(byte) (newFwSize >> 8),
(byte) checksum,
(byte) (checksum >> 8)
// (byte) (checksum >> 8),
// (byte) 0 // TEST, only for Mi1S!
};
TransactionBuilder builder = performInitialized("send firmware info");
builder.add(new SetDeviceBusyAction(getDevice(), getContext().getString(R.string.updating_firmware), getContext()));
builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_CONTROL_POINT), fwInfo);
builder.queue(getQueue());
// byte[] fwInfo = new byte[]{
// MiBandService.COMMAND_SEND_FIRMWARE_INFO
// (byte) currentFwVersion, (byte) (currentFwVersion >> 8), (byte) (currentFwVersion >> 16), (byte) (currentFwVersion >> 24),
// (byte) newFwVersion, (byte) (newFwVersion >> 8), (byte) (newFwVersion >> 16), (byte) (newFwVersion >> 24),
// (byte) newFwSize, (byte) (newFwSize >> 8),
// (byte) checksum, (byte) (checksum >> 8)})) {
return fwInfo;
}
private byte[] prepareFirmwareUpdateB(int currentFwVersion, int newFwVersion, int newFwSize, int checksum, int something) {
byte[] fwInfo = new byte[]{
MiBandService.COMMAND_SEND_FIRMWARE_INFO,
(byte) currentFwVersion,
(byte) (currentFwVersion >> 8),
(byte) (currentFwVersion >> 16),
(byte) (currentFwVersion >> 24),
(byte) newFwVersion,
(byte) (newFwVersion >> 8),
(byte) (newFwVersion >> 16),
(byte) (newFwVersion >> 24),
(byte) newFwSize,
(byte) (newFwSize >> 8),
(byte) checksum,
(byte) (checksum >> 8),
(byte) something // 0 TEST, only for Mi1S!
};
// // send to CONTROL POINT:
// if (!this.b(CONTROL_POINT, new byte[]{7,
// (byte) currentFwVersion, (byte) (currentFwVersion >> 8), (byte) (currentFwVersion >> 16), (byte) (currentFwVersion >> 24),
// (byte) newFwVersion, (byte) (newFwVersion >> 8), (byte) (newFwVersion >> 16), (byte) (newFwVersion >> 24),
// (byte) newFwSize, (byte) (newFwSize >> 8),
// (byte) checksum, (byte) (checksum >> 8), (byte) something})) {
// return false;
// }
// // wait for bq != -1
// if (bq == 12) {
// return true;
// }
return fwInfo;
}
/**
* Method that uploads a firmware (fwbytes) to the MiBand.
* The firmware has to be splitted into chunks of 20 bytes each, and periodically a COMMAND_SYNC comand has to be issued to the MiBand.
@ -173,18 +315,17 @@ public class UpdateFirmwareOperation extends AbstractMiBandOperation {
* @return whether the transfer succeeded or not. Only a BT layer exception will cause the transmission to fail.
* @see MiBandSupport#handleNotificationNotif
*/
private boolean sendFirmwareData(byte fwbytes[]) {
private boolean sendFirmwareData(byte[] fwbytes) {
int len = fwbytes.length;
final int packetLength = 20;
int packets = len / packetLength;
byte fwChunk[] = new byte[packetLength];
int firmwareProgress = 0;
try {
TransactionBuilder builder = performInitialized("send firmware packet");
for (int i = 0; i < packets; i++) {
fwChunk = Arrays.copyOfRange(fwbytes, i * packetLength, i * packetLength + packetLength);
byte[] fwChunk = Arrays.copyOfRange(fwbytes, i * packetLength, i * packetLength + packetLength);
builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_FIRMWARE_DATA), fwChunk);
firmwareProgress += packetLength;
@ -198,8 +339,7 @@ public class UpdateFirmwareOperation extends AbstractMiBandOperation {
}
if (!(len % packetLength == 0)) {
byte lastChunk[] = new byte[len % packetLength];
lastChunk = Arrays.copyOfRange(fwbytes, packets * packetLength, len);
byte[] lastChunk = Arrays.copyOfRange(fwbytes, packets * packetLength, len);
builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_FIRMWARE_DATA), lastChunk);
firmwareProgress += len % packetLength;
}
@ -220,4 +360,134 @@ public class UpdateFirmwareOperation extends AbstractMiBandOperation {
}
return true;
}
private abstract class UpdateCoordinator {
private final boolean reboot;
public UpdateCoordinator(boolean needsReboot) {
this.reboot = needsReboot;
}
abstract byte[] getFirmwareInfo();
public abstract byte[] getFirmwareBytes();
public abstract boolean initNextOperation();
public boolean sendFwInfo() {
try {
TransactionBuilder builder = performInitialized("send firmware info");
builder.add(new SetDeviceBusyAction(getDevice(), getContext().getString(R.string.updating_firmware), getContext()));
builder.write(getCharacteristic(MiBandService.UUID_CHARACTERISTIC_CONTROL_POINT), getFirmwareInfo());
builder.queue(getQueue());
return true;
} catch (IOException e) {
LOG.error("Error sending firmware info: " + e.getLocalizedMessage(), e);
return false;
}
}
public boolean sendFwData() {
return sendFirmwareData(getFirmwareBytes());
}
public boolean needsReboot() {
return false; // FIXME: renable rebooting
// return reboot;
}
}
private class SingleUpdateCoordinator extends UpdateCoordinator {
private final byte[] fwInfo;
private final byte[] fwData;
public SingleUpdateCoordinator(byte[] fwInfo, byte[] fwData, boolean reboot) {
super(reboot);
this.fwInfo = fwInfo;
this.fwData = fwData;
}
@Override
public byte[] getFirmwareInfo() {
return fwInfo;
}
@Override
public byte[] getFirmwareBytes() {
return fwData;
}
@Override
public boolean initNextOperation() {
return false;
}
}
enum State {
INITIAL,
SEND_FW2,
SEND_FW1,
FINISHED, UNKNOWN
}
private class DoubleUpdateCoordinator extends UpdateCoordinator {
private final byte[] fw1Info;
private final byte[] fw1Data;
private final byte[] fw21nfo;
private final byte[] fw2Data;
private byte[] currentFwInfo;
private byte[] currentFwData;
private State state = State.INITIAL;
public DoubleUpdateCoordinator(byte[] fw1Info, byte[] fw1Data, byte[] fw2Info, byte[] fw2Data, boolean reboot) {
super(reboot);
this.fw1Info = fw1Info;
this.fw1Data = fw1Data;
this.fw21nfo = fw2Info;
this.fw2Data = fw2Data;
// start with fw2 (heart rate)
currentFwInfo = fw2Info;
currentFwData = fw2Data;
}
@Override
public byte[] getFirmwareInfo() {
return currentFwInfo;
}
@Override
public byte[] getFirmwareBytes() {
return currentFwData;
}
@Override
public boolean initNextOperation() {
switch (state) {
case INITIAL:
currentFwInfo = fw21nfo;
currentFwData = fw2Data;
state = State.SEND_FW2;
return true;
case SEND_FW2:
currentFwInfo = fw1Info;
currentFwData = fw1Data;
state = State.SEND_FW1;
return fw1Info != null && fw1Data != null;
case SEND_FW1:
currentFwInfo = null;
currentFwData = null;
state = State.FINISHED;
return false; // we're done
default:
state = State.UNKNOWN;
}
return false;
}
}
}

1
app/src/main/res/values/strings.xml
View File

@ -24,6 +24,7 @@
<!-- Strings related to FwAppInstaller -->
<string name="title_activity_fw_app_insaller">FW/App installer</string>
<string name="fw_upgrade_notice">You are about to install firmware %s instead of the one currently on your Mi Band.</string>
<string name="fw_multi_upgrade_notice">You are about to install firmwares %1$s and %2$s instead of the ones currently on your Mi Band.</string>
<string name="miband_firmware_known">This firmware has been tested and is known to be compatible with Gadgetbridge.</string>
<string name="miband_firmware_unknown_warning">"This firmware is untested and may not be compatible with Gadgetbridge.\n\nYou are NOT encouraged to flash it to your Mi Band!"</string>
<string name="miband_firmware_suggest_whitelist">If you still want to proceed and things continue to work properly afterwards, please tell the Gadgetbridge developers to whitelist firmware version: %s</string>