/// <summary>
/// Method used to determine whether a specific device is still connected
/// </summary>
/// <param name="hUSB"></param>
/// <returns></returns>
public static bool isButtonConnected(uint hUSB)
{
int deviceVersion = Delcom.DelcomReadDeviceVersion(hUSB);
//If no longer connected we will get a return value of 0 or 255 (manual says 0 but in practice we get 255)
if (deviceVersion == 0 || deviceVersion == 255)
{
return(false);
}
return(true);
}
/// <summary>
/// Determine whether the current device is still connected
/// </summary>
private bool DeviceIsConnected()
{
if (this.deviceHandle == InvalidDevcieHandle)
{
return(false);
}
// If no longer connected we will get a return value of 0 or 255 (manual says 0 but in practice we get 255).
int deviceVersion = Delcom.DelcomReadDeviceVersion(this.deviceHandle);
if (deviceVersion == 0 || deviceVersion == 255)
{
// This frequently happens (once in a few minutes) even on the healthy system.
// Retry once before reporting back.
Thread.Sleep(DelcomLightWrapper.DeviceConnectionCheckRetryInterval);
deviceVersion = Delcom.DelcomReadDeviceVersion(this.deviceHandle);
if (deviceVersion == 0 || deviceVersion == 255)
{
return(false);
}
}
return(true);
}