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Code Releases Wiki Activity

Improved AlertNotificationProfile

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AlertLevel, AlertCategory, Control Point
This commit is contained in:
cpfeiffer 2017-03-11 22:19:10 +01:00
parent 4b230412b6
commit 8fc6dfeca7
4 changed files with 86 additions and 7 deletions
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4
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/btle/profiles/alertnotification/AlertCategory.java
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@ -33,9 +33,10 @@ public enum AlertCategory {
VoiceMail(6),
Schedule(7),
HighPriorityAlert(8),
InstantMessage(9);
InstantMessage(9),
// 10-250 reserved for future use
// 251-255 defined by service specification
Any(255);
private final int id;
@ -91,5 +92,4 @@ public enum AlertCategory {
return null;
}
}

30
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/btle/profiles/alertnotification/AlertNotificationControl.java
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@ -16,9 +16,39 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.service.btle.profiles.alertnotification;
import nodomain.freeyourgadget.gadgetbridge.service.btle.BLETypeConversions;
/**
* https://www.bluetooth.com/specifications/gatt/viewer?attributeXmlFile=org.bluetooth.characteristic.alert_notification_control_point.xml
*/
public class AlertNotificationControl {
private AlertCategory category;
private Command command;
public void setCategory(AlertCategory category) {
this.category = category;
}
public void setCommand(Command command) {
this.command = command;
}
public AlertCategory getCategory() {
return category;
}
public Command getCommand() {
return command;
}
/**
* Returns the formatted message to be written to the alert notification control point
* characteristic
*/
public byte[] getControlMessage() {
return new byte[] {
BLETypeConversions.fromUint8(command.getId()),
BLETypeConversions.fromUint8(category.getId())
};
}
}

35
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/btle/profiles/alertnotification/AlertNotificationProfile.java
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@ -39,6 +39,20 @@ public class AlertNotificationProfile<T extends AbstractBTLEDeviceSupport> exten
super(support);
}
public void configure(TransactionBuilder builder, AlertNotificationControl control) {
BluetoothGattCharacteristic characteristic = getCharacteristic(GattCharacteristic.UUID_CHARACTERISTIC_ALERT_NOTIFICATION_CONTROL_POINT);
if (characteristic != null) {
builder.write(characteristic, control.getControlMessage());
}
}
public void updateAlertLevel(TransactionBuilder builder, AlertLevel level) {
BluetoothGattCharacteristic characteristic = getCharacteristic(GattCharacteristic.UUID_CHARACTERISTIC_ALERT_LEVEL);
if (characteristic != null) {
builder.write(characteristic, new byte[] {BLETypeConversions.fromUint8(level.getId())});
}
}
public void newAlert(TransactionBuilder builder, NewAlert alert, OverflowStrategy strategy) {
BluetoothGattCharacteristic characteristic = getCharacteristic(GattCharacteristic.UUID_CHARACTERISTIC_NEW_ALERT);
if (characteristic != null) {
@ -52,14 +66,20 @@ public class AlertNotificationProfile<T extends AbstractBTLEDeviceSupport> exten
numChunks++;
}
boolean hasAlerted = false;
for (int i = 0; i < numChunks; i++) {
int offset = i * MAX_MSG_LENGTH;
int restLength = message.length() - offset;
message = message.substring(offset, offset + Math.min(MAX_MSG_LENGTH, restLength));
if (message.length() == 0) {
if (hasAlerted && message.length() == 0) {
// no need to do it again when there is no text content
break;
}
writeAlertMessage(builder, characteristic, alert, message, i);
hasAlerted = true;
}
if (!hasAlerted) {
writeAlertMessage(builder, characteristic, alert, "", 1);
}
} else {
LOG.warn("NEW_ALERT characteristic not available");
@ -69,13 +89,18 @@ public class AlertNotificationProfile<T extends AbstractBTLEDeviceSupport> exten
protected void writeAlertMessage(TransactionBuilder builder, BluetoothGattCharacteristic characteristic, NewAlert alert, String message, int chunk) {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream(100);
stream.write(alert.getCategory().getId());
stream.write(alert.getNumAlerts());
stream.write(BLETypeConversions.toUtf8s(message));
stream.write(BLETypeConversions.fromUint8(alert.getCategory().getId()));
stream.write(BLETypeConversions.fromUint8(alert.getNumAlerts()));
if (message.length() > 0) {
stream.write(BLETypeConversions.toUtf8s(message));
} else {
// some write a null byte instead of leaving out this optional value
// stream.write(new byte[] {0});
}
builder.write(characteristic, stream.toByteArray());
} catch (IOException ex) {
// aint gonna happen
// ain't gonna happen
LOG.error("Error writing alert message to ByteArrayOutputStream");
}
}

24
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/btle/profiles/alertnotification/Command.java Normal file
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@ -0,0 +1,24 @@
package nodomain.freeyourgadget.gadgetbridge.service.btle.profiles.alertnotification;
/**
* https://www.bluetooth.com/specifications/gatt/viewer?attributeXmlFile=org.bluetooth.characteristic.alert_notification_control_point.xml
*/
public enum Command {
EnableNewIncomingAlertNotification(0),
EnableUnreadCategoryStatusNotification(1),
DisableNewIncomingAlertNotification(2),
DisbleUnreadCategoryStatusNotification(3),
NotifyNewIncomingAlertImmediately(4),
NotifyUnreadCategoryStatusImmediately(5),;
// 6-255 reserved for future use
private final int id;
Command(int id) {
this.id = id;
}
public int getId() {
return id;
}
}