HWPurgeComm (Windows CE 5.0)
This function purges the communications device.
VOID HWPurgeComm(PVOIDpContext,DWORD fdwAction);
Parameters
pContext
[in] Pointer to a context structure returned by the HWInit function that contains implementation-specific data describing the device.fdwAction
[in] Indicates how to purge the serial device.The following table shows the possible flags.
Flag Description PURGE_TXABORT Terminates all outstanding write operations and returns immediately, even if the write operations have not been completed. PURGE_RXABORT Terminates all outstanding read operations and returns immediately, even if the read operations have not been completed. PURGE_TXCLEAR Clears the output buffer, if the driver has one. PURGE_RXCLEAR Clears the input buffer, if the driver has one.
Return Values
None.
Remarks
This function supports the implementation of the lower layers of serial port drivers.
Requirements
OS Versions: Windows CE 1.0 and later.
Header: Serhw.h.
See Also
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