byte[] IPiGPIO.BSpiXfer(int gpioCS, byte[] txBuffer)
{
byte[] rxBuffer = new byte[txBuffer.Length];
GCHandle tx = GCHandle.Alloc(tx, GCHandleType.Pinned);
try
{
GCHandle rx = GCHandle.Alloc(rxBuffer, GCHandleType.Pinned);
try
{
short ret = PiGpioNativeMethods.bspiXfer((ushort)gpioCS, tx.AddrOfPinnedObject(), rx.AddrOfPinnedObject(), (ushort)txBuffer.Length);
if (ret < 0)
{
throw new PiGPIOException(ret);
}
}
finally
{
rx.Free();
}
}
finally
{
tx.Free();
}
return(rxBuffer);
}
