h6. [[Hardware Abstraction Layer]] h6(. » [[List of HAL APIs]] h6((. » HAL UART API The RS232 serial UART is a fundamental peripheral on most current hardware. h4. Entry points Items marked ¶ are internal calls for OS use only; their functionality and availability is subject to change without warning. User programs interested in using these calls should instead use the equivalent RISC OS SWI call (if available). * [[HAL_UARTPorts]] ¶ * [[HAL_UARTStartUp]] ¶ * [[HAL_UARTShutdown]] ¶ * [[HAL_UARTFeatures]] ¶ * [[HAL_UARTReceiveByte]] ¶ * [[HAL_UARTTransmitByte]] ¶ * [[HAL_UARTLineStatus]] ¶ * [[HAL_UARTInterruptEnable]] ¶ * [[HAL_UARTRate]] ¶ * [[HAL_UARTFormat]] ¶ * [[HAL_UARTFIFOSize]] ¶ * [[HAL_UARTFIFOClear]] ¶ * [[HAL_UARTFIFOEnable]] ¶ * [[HAL_UARTFIFOThreshold]] ¶ * [[HAL_UARTInterruptID]] ¶ * [[HAL_UARTBreak]] ¶ * [[HAL_UARTModemControl]] ¶ * [[HAL_UARTModemStatus]] ¶ * [[HAL_UARTDevice]] ¶ * [[HAL_UARTDefault]] ¶ h6. Information source: Kernel.Docs.HAL.MoreEnts in CVS