HWPurgeComm (Windows Embedded CE 6.0)
1/6/2010
This function purges the communications device.
Syntax
VOID HWPurgeComm(
PVOID pContext,
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 Value
None.
Remarks
This function supports the implementation of the lower layers of serial port drivers.
Requirements
| Header | serhw.h |
| Windows Embedded CE | Windows CE 1.0 and later |