private async Task Initialize()
{
if (_isInitialized)
{
return;
}
await _initializeSemaphoreSlim.WaitAsync();
if (_isInitialized)
{
return;
}
try
{
/* Unfortunately the protocol changes based on what type of hardware we're using... */
HardwareVersion = await GetHardwareVersion();
_connection.CoordinatorHardwareVersion = HardwareVersion;
/* We want the receiver to have the hardware version in context so cycle the connection */
_connection.Close();
// This is to address a .net (windows?) serial port management issue
await TaskExtensions.Retry(() => _connection.Open(),
TimeSpan.FromSeconds(3), typeof(UnauthorizedAccessException));
// ReSharper disable PossibleInvalidOperationException
Local = CreateNode(HardwareVersion.Value);
// ReSharper restore PossibleInvalidOperationException
_isInitialized = true;
}
finally
{
_initializeSemaphoreSlim.Release();
}
}