protected Object ReadSharedMemory(Type T, string sharedMemoryFile)
{
Object data = null;
int sharedMemorySize = Marshal.SizeOf(T);
try
{
using (var mappedFile = MemoryMappedFile.OpenExisting(sharedMemoryFile))
{
if (mappedFile == null)
{
return(null);
}
using (var memoryMappedViewStream = mappedFile.CreateViewStream())
{
if (memoryMappedViewStream == null)
{
return(null);
}
var buffer = ReadBuffer(memoryMappedViewStream, sharedMemorySize);
var alloc = GCHandle.Alloc(buffer, GCHandleType.Pinned);
data = Marshal.PtrToStructure(alloc.AddrOfPinnedObject(), T);
memoryMappedViewStream.Close();
alloc.Free();
}
}
}
catch
{
}
return(data);
}
void ReadTelemetry()
{
StartSending();
Stopwatch sw = new Stopwatch();
sw.Start();
//read and process
while (!IsStopped)
{
try
{
double frameDT = 0;
while (true)
{
frameDT = sw.Elapsed.TotalSeconds;
if (frameDT >= (updateDelay / 1000.0f))
{
break;
}
}
sw.Restart();
data = (WRCData)ReadSharedMemory(typeof(WRCData), "Local\\WRC-8wSotWzFKAhBlbW10ZJBKaWMdWszbBXg");
if (data == null)
{
continue;
}
ProcessWRCData((float)frameDT);
}
catch (Exception e)
{
Thread.Sleep(1000);
}
}
StopSending();
Thread.CurrentThread.Join();
}
