public async Task <ERROR_CODE> UnPairing(string deviceName)
{
ERROR_CODE task_result = ERROR_CODE.UNKNOWN_ERROR;
if (string.IsNullOrEmpty(deviceName))
{
return(task_result);
}
var devs = _deviceList.OrderBy(d => d.Name).Where(d => !string.IsNullOrEmpty(d.Name)).ToList();
string foundId = Utilities.GetIdByNameOrNumber(devs, deviceName);
try
{
if (_selectedDevice == null)
{
Console.WriteLine("Selected device is null");
task_result = ERROR_CODE.NO_SELECTED_SERVICE;
return(task_result);
}
if (_selectedDevice.ConnectionStatus == BluetoothConnectionStatus.Connected)
//if (_selectedDevice.DeviceInformation.Pairing.IsPaired)
{
Console.WriteLine($"{_selectedDevice.Name} Try Pairing");
var result1 = await _selectedDevice.DeviceInformation.Pairing.UnpairAsync();
task_result = ConvertErrorCodeUnPairing(result1.Status);
Console.WriteLine($"{result1.Status}");
}
else
{
Console.WriteLine($"{_selectedDevice.Name} wasn't paired");
task_result = ERROR_CODE.UNPAIR_FAILED_DISCONNECTED;
}
}
catch
{
task_result = ERROR_CODE.OPENDEVICE_UNREACHABLE;
}
_selectedService = null;
_services.Clear();
return(task_result);
}
public async Task <ERROR_CODE> OpenDevice(string deviceName)
{
ERROR_CODE task_result = ERROR_CODE.NONE;
if (string.IsNullOrEmpty(deviceName))
{
return(task_result);
}
var devs = _deviceList.OrderBy(d => d.Name).Where(d => !string.IsNullOrEmpty(d.Name)).ToList();
string foundId = Utilities.GetIdByNameOrNumber(devs, deviceName);
_selectedService = null;
_services.Clear();
try
{
_selectedDevice = await BluetoothLEDevice.FromIdAsync(foundId).AsTask().TimeoutAfter(_timeout);
//string_result= $"Connecting to {_selectedDevice.Name}.";
var result = await _selectedDevice.GetGattServicesAsync(BluetoothCacheMode.Uncached);
if (result.Status == GattCommunicationStatus.Success)
{
// listStatus.Items.Adde($"Found {result.Services.Count} services:");
for (int i = 0; i < result.Services.Count; i++)
{
var serviceToDisplay = new BluetoothLEAttributeDisplay(result.Services[i]);
_services.Add(serviceToDisplay);
// listStatus.Items.Add($"#{i:00}: {_services[i].Name}");
}
}
else
{
// listStatus.Items.Add($"Device {deviceName} is unreachable.");
task_result = ERROR_CODE.OPENDEVICE_UNREACHABLE;
}
}
catch
{
task_result = ERROR_CODE.UNKNOWN_ERROR;
}
return(task_result);
}
public async Task <ERROR_CODE> Pairing(string deviceName)
{
ERROR_CODE task_result = ERROR_CODE.UNKNOWN_ERROR;
if (string.IsNullOrEmpty(deviceName))
{
return(task_result);
}
var devs = _deviceList.OrderBy(d => d.Name).Where(d => !string.IsNullOrEmpty(d.Name)).ToList();
string foundId = Utilities.GetIdByNameOrNumber(devs, deviceName);
_selectedService = null;
_services.Clear();
//try
{
_selectedDevice = await BluetoothLEDevice.FromIdAsync(foundId).AsTask().TimeoutAfter(_timeout);
//string_result= $"Connecting to {_selectedDevice.Name}.";
if (_selectedDevice.DeviceInformation.Pairing.IsPaired)
{
var result1 = await _selectedDevice.DeviceInformation.Pairing.UnpairAsync();
task_result = ConvertErrorCodeUnPairing(result1.Status);
if (task_result != ERROR_CODE.UNPAIRED_SUCCESS)
{
Console.WriteLine($"{result1.Status}");
return(task_result);
}
}
if (_selectedDevice.ConnectionStatus == BluetoothConnectionStatus.Disconnected)
{
Console.WriteLine($"{_selectedDevice.Name} Try Pairing");
_selectedDevice.DeviceInformation.Pairing.Custom.PairingRequested += CustomOnPairingRequested;
//var result1 = await _selectedDevice.DeviceInformation.Pairing.Custom.PairAsync(
// DevicePairingKinds.ConfirmOnly, DevicePairingProtectionLevel.None);
var result1 = await _selectedDevice.DeviceInformation.Pairing.Custom.PairAsync(
DevicePairingKinds.ConfirmOnly);
_selectedDevice.DeviceInformation.Pairing.Custom.PairingRequested -= CustomOnPairingRequested;
task_result = ConvertErrorCodePairing(result1.Status);
Console.WriteLine($"{result1.Status}");
if (task_result != ERROR_CODE.PAIRING_SUCCESS)
{
return(task_result);
}
}
else
{
task_result = ERROR_CODE.PAIRING_ALREADY_CONNECTED;
return(task_result);
}
var result = await _selectedDevice.GetGattServicesAsync(BluetoothCacheMode.Uncached);
if (result.Status == GattCommunicationStatus.Success)
{
// listStatus.Items.Adde($"Found {result.Services.Count} services:");
for (int i = 0; i < result.Services.Count; i++)
{
var serviceToDisplay = new BluetoothLEAttributeDisplay(result.Services[i]);
_services.Add(serviceToDisplay);
// listStatus.Items.Add($"#{i:00}: {_services[i].Name}");
}
}
else
{
// listStatus.Items.Add($"Device {deviceName} is unreachable.");
task_result = ERROR_CODE.OPENDEVICE_UNREACHABLE;
}
}
//catch
//{
// task_result = ERROR_CODE.UNKNOWN_ERROR;
//}
return(task_result);
}
/// <summary>
/// Set active service for current device
/// </summary>
/// <param name="parameters"></param>
public async Task <ERROR_CODE> SetService(string serviceName)
{
ERROR_CODE task_result = ERROR_CODE.NONE;
if (_selectedDevice != null)
{
if (!string.IsNullOrEmpty(serviceName))
{
string foundName = Utilities.GetIdByNameOrNumber(_services, serviceName);
// If device is found, connect to device and enumerate all services
if (!string.IsNullOrEmpty(foundName))
{
var attr = _services.FirstOrDefault(s => s.Name.Equals(foundName));
IReadOnlyList <GattCharacteristic> characteristics = new List <GattCharacteristic>();
try
{
// Ensure we have access to the device.
var accessStatus = await attr.service.RequestAccessAsync();
if (accessStatus == DeviceAccessStatus.Allowed)
{
// BT_Code: Get all the child characteristics of a service. Use the cache mode to specify uncached characterstics only
// and the new Async functions to get the characteristics of unpaired devices as well.
var result = await attr.service.GetCharacteristicsAsync(BluetoothCacheMode.Uncached);
if (result.Status == GattCommunicationStatus.Success)
{
characteristics = result.Characteristics;
_selectedService = attr;
_characteristics.Clear();
Console.WriteLine($"Selected service {attr.Name}.");
if (characteristics.Count > 0)
{
for (int i = 0; i < characteristics.Count; i++)
{
var charToDisplay = new BluetoothLEAttributeDisplay(characteristics[i]);
_characteristics.Add(charToDisplay);
Console.WriteLine($"#{i:00}: {charToDisplay.Name}\t{charToDisplay.Chars}");
}
}
else
{
task_result = ERROR_CODE.SERVICE_NO_SERVICE;
}
}
else
{
task_result = ERROR_CODE.SERVICE_ACCESS_ERROR;
}
}
// Not granted access
else
{
task_result = ERROR_CODE.SERVICE_NOT_GRANT_ACCEWSS;
}
}
catch (Exception ex)
{
task_result = ERROR_CODE.SERVICE_CANOT_READ_CHAR;
}
}
else
{
task_result = ERROR_CODE.SERVICE_INVALID_SERVICE;
}
}
else
{
task_result = ERROR_CODE.SERVICE_INVALID_SERVICE;
}
}
else
{
task_result = ERROR_CODE.BLE_NO_CONNECTED;
}
return(task_result);
}
