private static void SDMountThread()
{
const int POLL_TIME = 500; // check every 500 millisecond
bool sdExists;
while (true)
{
try // If SD card was removed while mounting, it may throw exceptions
{
sdExists = sdDetectPin.Read() == false;
// make sure it is fully inserted and stable
if (sdExists)
{
Thread.Sleep(50);
sdExists = sdDetectPin.Read() == false;
}
if (sdExists && storage == null)
{
SetupStorage();
}
else if (!sdExists && storage != null)
{
Trace.CloseTrace();
storage.UnmountFileSystem();
storage.Dispose();
storage = null;
}
}
catch
{
if (storage != null)
{
storage.Dispose();
storage = null;
}
}
Thread.Sleep(POLL_TIME);
}
}