public void BSpiOpen(int gpioCS, int gpioMiso, int gpioMosi, int gpioClk, int bauds, int flags) { short ret = PiGpioNativeMethods.bspiOpen((ushort)gpioCS, (ushort)gpioMiso, (ushort)gpioMosi, (ushort)gpioClk, (ushort)bauds, unchecked ((ushort)flags)); if (ret < 0) { throw new PiGPIOException(ret); } }