h6. [[GPIO]] h6(. » [[GPIO SWI Calls|SWI Calls]] h6((. » GPIO_WriteOE h2. GPIO_WriteOE h5. (SWI &58F83) |_<^. Entry | | |<^. R0 |<^. Logical GPIO pin number | |<^. R1 |<^. 0 (Output) or 1 (Input) | h4. Use Writes the "Output Enable" state of the given GPIO pin, or returns an error if the pin number is not valid.