private void btnGPIOWrite3_Click(object sender, EventArgs e) { HiPerfTimer t1 = new HiPerfTimer(); t1.Start(); byte b; int val = USBHID.ReadGPIO(out b); t1.Stop(); Debug.WriteLine("GPIO3: " + val + " (" + t1.DurationMsec.ToString("f2") + ")"); txtGPIOResult.Text = b.ToString("X"); }