private async Task <bool> RegisterBlAdvertisementTask()
{
try
{
var blAdvTrigger = new BluetoothLEAdvertisementPublisherTrigger();
DataWriter writer = new DataWriter();
ushort suiid = 0xFEED;
writer.WriteBytes(BitConverter.GetBytes(suiid));
//UInt16 someValues = 0x1234;
var advData = (ushort)DateTime.Now.Minute;
writer.WriteUInt16(advData);
var ds = blAdvTrigger.Advertisement.GetSectionsByType(BluetoothLEAdvertisementDataTypes.ServiceData16BitUuids).FirstOrDefault();
if (ds != null)
{
ds.Data = writer.DetachBuffer();
}
else
{
blAdvTrigger.Advertisement.DataSections.Insert(0, new BluetoothLEAdvertisementDataSection(BluetoothLEAdvertisementDataTypes.ServiceData16BitUuids, writer.DetachBuffer()));
}
string BLAdvTaskName = "TaskMediaPlay.TileSongsTask";
string BLAdvBTaskEntryPoint = "TaskMediaPlay.TileSongsTask";
foreach (var task in BackgroundTaskRegistration.AllTasks)
{
if (task.Value.Name == BLAdvTaskName)
{
task.Value.Unregister(true);
Debug.WriteLine($"{task.Value.Name} Unregistered");
}
}
var builder = new BackgroundTaskBuilder();
builder.Name = BLAdvTaskName;
builder.TaskEntryPoint = BLAdvBTaskEntryPoint;
builder.SetTrigger(blAdvTrigger);
var result = builder.Register();
Debug.WriteLine("Adv Task registered with modified service data");
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
return(false);
}
return(true);
}
/// <summary>
/// Initializes the singleton application object. This is the first line of authored code
/// executed, and as such is the logical equivalent of main() or WinMain().
/// </summary>
public Scenario4_BackgroundPublisher()
{
this.InitializeComponent();
// Create and initialize a new trigger to configure it.
trigger = new BluetoothLEAdvertisementPublisherTrigger();
// We need to add some payload to the advertisement. A publisher without any payload
// or with invalid ones cannot be started. We only need to configure the payload once
// for any publisher.
// Add a manufacturer-specific section:
// First, create a manufacturer data section
var manufacturerData = new BluetoothLEManufacturerData();
// Then, set the company ID for the manufacturer data. Here we picked an unused value: 0xFFFE
manufacturerData.CompanyId = 0xFFFF;
// Finally set the data payload within the manufacturer-specific section
// Here, use a 16-bit UUID: 0x1234 -> {0x34, 0x12} (little-endian)
var writer = new DataWriter();
//UInt16 uuidData = 0x1234;
//writer.WriteUInt16(uuidData);
string deviceData = "Device050";
writer.UnicodeEncoding = UnicodeEncoding.Utf8;
writer.WriteString(deviceData);
// Make sure that the buffer length can fit within an advertisement payload. Otherwise you will get an exception.
manufacturerData.Data = writer.DetachBuffer();
// Add the manufacturer data to the advertisement publisher:
trigger.Advertisement.ManufacturerData.Add(manufacturerData);
// Display the information about the published payload
PublisherPayloadBlock.Text = string.Format("Published payload information: CompanyId=0x{0}, ManufacturerData=0x{1}",
manufacturerData.CompanyId.ToString("X"),
//uuidData.ToString("X"));
deviceData);
// Reset the displayed status of the publisher
PublisherStatusBlock.Text = "";
}
/// <summary>
/// Initializes the singleton application object. This is the first line of authored code
/// executed, and as such is the logical equivalent of main() or WinMain().
/// </summary>
public Scenario4_BackgroundPublisher()
{
this.InitializeComponent();
// Create and initialize a new trigger to configure it.
trigger = new BluetoothLEAdvertisementPublisherTrigger();
// We need to add some payload to the advertisement. A publisher without any payload
// or with invalid ones cannot be started. We only need to configure the payload once
// for any publisher.
// Add a manufacturer-specific section:
// First, create a manufacturer data section
var manufacturerData = new BluetoothLEManufacturerData();
// Then, set the company ID for the manufacturer data. Here we picked an unused value: 0xFFFE
manufacturerData.CompanyId = 0xFFFE;
// Finally set the data payload within the manufacturer-specific section
// Here, use a 16-bit UUID: 0x1234 -> {0x34, 0x12} (little-endian)
var writer = new DataWriter();
UInt16 uuidData = 0x1234;
writer.WriteUInt16(uuidData);
// Make sure that the buffer length can fit within an advertisement payload. Otherwise you will get an exception.
manufacturerData.Data = writer.DetachBuffer();
// Add the manufacturer data to the advertisement publisher:
trigger.Advertisement.ManufacturerData.Add(manufacturerData);
// Display the information about the published payload
PublisherPayloadBlock.Text = string.Format("Published payload information: CompanyId=0x{0}, ManufacturerData=0x{1}",
manufacturerData.CompanyId.ToString("X"),
uuidData.ToString("X"));
// Reset the displayed status of the publisher
PublisherStatusBlock.Text = "";
}
public MainPage()
{
this.InitializeComponent();
Current = this;
localSettings = Windows.Storage.ApplicationData.Current.LocalSettings;
items = new List<List_item>();
my_info.id = localSettings.Values["id"].ToString();
// Create and initialize a new watcher instance.
watcher = new BluetoothLEAdvertisementWatcher();
// Create and initialize a new trigger to configure it.
trigger = new BluetoothLEAdvertisementPublisherTrigger();
// Add a manufacturer-specific section:
// First, create a manufacturer data section
var manufacturerData_publisher = new BluetoothLEManufacturerData();
var manufacturerData_watcher = new BluetoothLEManufacturerData();
// Then, set the company ID for the manufacturer data. Here we picked an unused value: 0xFF00
manufacturerData_publisher.CompanyId = 0xFFAA;
manufacturerData_watcher.CompanyId = 0xFFAA;
// Finally set the data payload within the manufacturer-specific section
// Here, use a 16-bit UUID: 0x1234 -> {0x34, 0x12} (little-endian)
var writer = new DataWriter();
string id = my_info.id;
writer.WriteString(id);
// Make sure that the buffer length can fit within an advertisement payload. Otherwise you will get an exception.
manufacturerData_publisher.Data = writer.DetachBuffer();
//(publisher)
// Add the manufacturer data to the advertisement publisher:
trigger.Advertisement.ManufacturerData.Add(manufacturerData_publisher);
// 여기 필터추가
watcher.AdvertisementFilter.Advertisement.ManufacturerData.Add(manufacturerData_watcher);
// Configure the signal strength filter to only propagate events when in-range
// Please adjust these values if you cannot receive any advertisement
// Set the in-range threshold to -70dBm. This means advertisements with RSSI >= -70dBm
// will start to be considered "in-range".
watcher.SignalStrengthFilter.InRangeThresholdInDBm = -70;
// Set the out-of-range threshold to -75dBm (give some buffer). Used in conjunction with OutOfRangeTimeout
// to determine when an advertisement is no longer considered "in-range"
watcher.SignalStrengthFilter.OutOfRangeThresholdInDBm = -75;
// Set the out-of-range timeout to be 2 seconds. Used in conjunction with OutOfRangeThresholdInDBm
// to determine when an advertisement is no longer considered "in-range"
watcher.SignalStrengthFilter.OutOfRangeTimeout = TimeSpan.FromMilliseconds(1000);
// By default, the sampling interval is set to zero, which means there is no sampling and all
// the advertisement received is returned in the Received event
// End of watcher configuration. There is no need to comment out any code beyond this point.
}
