private static async Task SendResponseAsync(GattDeviceService service, RequestBase request, byte errorCode, ResponseBase response = null)
{
Debug.WriteLine($"Sending Wi-Fi config message protocol response: '{request.WifiRequestType}'");
byte[] responseMessage = MessageProtocolFactory.CreateResponseMessage(request.WifiRequestType, request.SequenceId, errorCode, response);
await BluetoothLeHelper.WriteAsync(responseMessage, service, MessageProtocolRxCharacteristicId);
}
private static async Task SendEventMessageAsync(GattDeviceService service, WifiEventId wifiEventType)
{
Debug.WriteLine($"Sending Wi-Fi config message protocol event: '{wifiEventType}'");
byte[] eventMessage = MessageProtocolFactory.CreateEventMessage(wifiEventType);
await BluetoothLeHelper.WriteAsync(eventMessage, service, MessageProtocolRxCharacteristicId);
}
private async void WifiScanSummaryRequest_NotificationReceived(object sender, NotifyEventArgs e)
{
if (MessageProtocolFactory.ReadRequestMessagePayload(e.Data) is WifiScanSummaryRequest wifiScanSummaryRequest)
{
Debug.WriteLine($"Received Wi-Fi config message protocol request: '{wifiScanSummaryRequest.WifiRequestType}'");
await bluetoothLeHelper.EndNotificationListenerAsync();
bluetoothLeHelper.NotificationReceived -= WifiScanSummaryRequest_NotificationReceived;
if (wifiScanSummaryRequest.ErrorCode != 0x00)
{
throw new InvalidOperationException($"Wi-Fi network scan failed with error code {wifiScanSummaryRequest.ErrorCode}");
}
if (wifiScanSummaryRequest.NetworkCount == 0)
{
// Report that we're not getting anything.
WifiNetworkScanReceived?.Invoke(this, new WifiScanRequestEventArgs(null, 0, 0));
}
else
{
bluetoothLeHelper.NotificationReceived += WifiScanResultRequest_NotificationReceived;
await bluetoothLeHelper.StartNotificationListenerAsync(currentService, MessageProtocolTxCharacteristicId);
actualWifiNetworkCount = 0;
expectedWifiNetworkCount = wifiScanSummaryRequest.NetworkCount;
await SendResponseAsync(currentService, wifiScanSummaryRequest, wifiScanSummaryRequest.ErrorCode);
}
}
}
private async void WifiStatusRequest_NotificationReceived(object sender, NotifyEventArgs e)
{
if (MessageProtocolFactory.ReadRequestMessagePayload(e.Data) is WifiStatusRequest wifiStatusRequest)
{
Debug.WriteLine($"Received Wi-Fi config message protocol request: '{wifiStatusRequest.WifiRequestType}'");
await bluetoothLeHelper.EndNotificationListenerAsync();
bluetoothLeHelper.NotificationReceived -= WifiStatusRequest_NotificationReceived;
await SendResponseAsync(currentService, wifiStatusRequest, 0x00);
WifiStatusRequestReceived?.Invoke(this, new WifiStatusRequestEventArgs(wifiStatusRequest));
}
}
private async void WifiGetNewDetailsRequest_NotificationReceived(object sender, NotifyEventArgs e)
{
if (MessageProtocolFactory.ReadRequestMessagePayload(e.Data) is WifiGetNewDetailsRequest wifiGetNewDetailsRequest)
{
Debug.WriteLine($"Received Wi-Fi config message protocol request: '{wifiGetNewDetailsRequest.WifiRequestType}'");
await bluetoothLeHelper.EndNotificationListenerAsync();
bluetoothLeHelper.NotificationReceived -= WifiGetNewDetailsRequest_NotificationReceived;
// Setup success status check with device
bluetoothLeHelper.NotificationReceived += WifiSetRequest_NotificationReceived;
await bluetoothLeHelper.StartNotificationListenerAsync(currentService, MessageProtocolTxCharacteristicId);
// Send the add network request.
await SendResponseAsync(currentService, wifiGetNewDetailsRequest, 0x00, wifiGetNewDetailsResponse);
}
}