h6. [[Hardware Abstraction Layer]] h6(. [[HAL entry points from RISC OS]] h6((. » HAL_UARTPorts h2. HAL_UARTPorts h5. (HAL entry #65) <pre> int HAL_UARTPorts() </pre> |_<. Entry | | |- | | |_<. Exit | | |- |Returns the number of serial ports available | h4. Use This is an internal call for use by the [[DualSerial]] module and should not be used by user code. Instead of calling the HAL directly, user code should interact with the Serial* entries that DualSerial creates in DeviceFS. Returns the number of serial (UART) ports available. h4. See also * [[HAL UART API]] h6. Information source: HWSupport.DualSerial.s.main in CVS