Advantech PCI-1682U Uživatelský manuál stáhnout pdf (Strana 50)

PCI-1680U/1682U User Manual 44

4.3.9 ClearCommError

When error occurs, users can use ClearCommError to get the specific type of error.

Syntax

BOOL ClearCommError(

HANDLE hDevice,

LPDWORD lpErrors,

LPCOMSTAT lpStat

);

Parameters

Return Value

Successful: return non-zero values. Unsuccessful: return zero value. Please call Get-

LastError function.

Note! Definitions of error codes supported are as below:

Name Description

CE_RXOVER Receive Queue overflow.

CE_OVERRUN Receive Overrun Error.

CE_FRAME Passive error.

CE_BREAK Busoff .

Note! The third parameter is unused, please set it to NULL.

Name Direction Description

hDevice Input Handle of the device which was opened.

lpErrors Output Store error codes which return from drivers.

lpStat Output

Empty. If users want to know specific information about error

device.

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