protected async Task Initialize()
{
await _device.WaitForPropertyValueAsync("Connected", value : true, TIMEOUT);
_properties = await _device.GetAllAsync();
Log.Debug("Waiting for services to resolve...");
await _device.WaitForPropertyValueAsync("ServicesResolved", value : true, TIMEOUT);
foreach (var s in await _device.GetUUIDsAsync())
{
var g = Guid.Parse(s);
var svc = await _device.GetServiceAsync(s);
_services[Guid.Parse(s)] = svc;
if (g == DEVICE_INFORMATION_SERVICE)
{
Log.Debug("Found DeviceInformationService.");
DeviceInformationService = new DeviceInformationService(svc);
}
else if (g == BATTERY_SERVICE)
{
Log.Debug("Found BatteryService.");
BatteryService = new BatteryService(svc);
}
}
Log.Debug("Services resolved.");
await BleDeviceConnected();
Log.Information($"Connected to {this}.");
}
private static async Task PrintDeviceInformation(IDevice1 device)
{
var service = await device.GetServiceAsync(GattConstants.DeviceInformationServiceUUID);
var modelNameCharacteristic = await service.GetCharacteristicAsync(GattConstants.ModelNameCharacteristicUUID);
var manufacturerCharacteristic = await service.GetCharacteristicAsync(GattConstants.ManufacturerNameCharacteristicUUID);
Console.WriteLine("Reading Device Info characteristic values...");
var modelNameBytes = await modelNameCharacteristic.ReadValueAsync(timeout);
var manufacturerBytes = await manufacturerCharacteristic.ReadValueAsync(timeout);
Console.WriteLine($"Model name: {Encoding.UTF8.GetString(modelNameBytes)}");
Console.WriteLine($"Manufacturer: {Encoding.UTF8.GetString(manufacturerBytes)}");
}
static async Task OnDeviceFoundAsync(IDevice1 device)
{
string deviceDescription = await GetDeviceDescriptionAsync(device);
while (true)
{
Console.WriteLine($"Connect to {deviceDescription}? yes/[no]?");
string response = Console.ReadLine();
if (response.Length == 0 || response.ToLowerInvariant().StartsWith("n"))
{
return;
}
if (response.ToLowerInvariant().StartsWith("y"))
{
break;
}
}
try
{
Console.WriteLine("Connecting...");
await device.ConnectAsync();
await device.WaitForPropertyValueAsync("Connected", value : true, timeout);
Console.WriteLine("Connected.");
Console.WriteLine("Waiting for services to resolve...");
await device.WaitForPropertyValueAsync("ServicesResolved", value : true, timeout);
var servicesUUIDs = await device.GetUUIDsAsync();
Console.WriteLine($"Device offers {servicesUUIDs.Length} service(s).");
var deviceInfoServiceFound = servicesUUIDs.Any(uuid => uuid == GattConstants.DeviceInformationServiceUUID);
if (!deviceInfoServiceFound)
{
Console.WriteLine("Device doesn't have the Device Information Service. Try pairing first?");
return;
}
// Console.WriteLine("Retrieving Device Information service...");
var service = await device.GetServiceAsync(GattConstants.DeviceInformationServiceUUID);
var modelNameCharacteristic = await service.GetCharacteristicAsync(GattConstants.ModelNameCharacteristicUUID);
var manufacturerCharacteristic = await service.GetCharacteristicAsync(GattConstants.ManufacturerNameCharacteristicUUID);
Console.WriteLine("Reading Device Info characteristic values...");
var modelNameBytes = await modelNameCharacteristic.ReadValueAsync(timeout);
var manufacturerBytes = await manufacturerCharacteristic.ReadValueAsync(timeout);
Console.WriteLine($"Model name: {Encoding.UTF8.GetString(modelNameBytes)}");
Console.WriteLine($"Manufacturer: {Encoding.UTF8.GetString(manufacturerBytes)}");
// Test walking back up to the adapter...
var adapterName = await(await(await(await modelNameCharacteristic.GetServiceAsync()).GetDeviceAsync()).GetAdapterAsync()).GetAliasAsync();
Console.WriteLine($"Adapter name: {adapterName}");
}
catch (Exception ex)
{
Console.Error.WriteLine(ex.Message);
}
finally
{
Console.WriteLine();
}
}