private async void _timer_Elapsed(object sender, ElapsedEventArgs e)
{
_timer.Stop();
await _waitSemaphore.WaitAsync();
try
{
DriverContext.Logger.LogTrace("Try read oms device...");
var frame = await _mbus.TryReadFrame();
if (frame != null)
{
DriverContext.Logger.LogTrace($"Read frame...1({frame.GetType()})");
MBusFrame data = null;
if (frame is ShortFrame)
{
await _mbus.SendAck();
data = await _mbus.TryReadFrame();
}
else
{
data = frame;
}
if (data != null)
{
DriverContext.Logger.LogTrace($"Read frame...2({data.GetType()})");
DecryptFrame(data);
await _mbus.SendAck();
}
else
{
DriverContext.Logger.LogDebug($"could not read frame");
}
}
}
finally
{
_waitSemaphore.Release(1);
}
_timer.Start();
}
private async void _timer_Elapsed(object sender, ElapsedEventArgs e)
{
await _waitSemaphore.WaitAsync();
try
{
var data = await _mbus.SendAck();
DecryptFrame(data);
}
finally
{
_waitSemaphore.Release(1);
}
}