Advantech MIC-3369C Installationsanleitung PDF herunterladen (Seite 81)

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System Release 6.1 CompactPCI for Windows

Release Update 81

ipm_ResetChannel( ) function successfully initiates the reset operation asynchronously, but

subsequently fails to complete successfully, an IPMEV_RESETFAIL event is delivered.

 Termination Events

IPMEV_RESET

Indicates successful completion; that is, the supplied IP Media channel has been reset.

IPMEV_RESETFAIL

Indicates that the reset operation failed.

 Cautions

• The ipm_ResetChannel( ) function is a blocking call and, depending on the mode it is called

in, does not allow any other function on that channel or thread.

• This reset functionality is only intended to be used on channels that are stuck and not

responding. The function should not be used in place of ipm_stop( ) and should only be called

if events (with the exception of OFFERED) are not received within 30 seconds (SIP time-out)

of when they are expected or if the application receives a taskfail. Overuse of the function

creates unnecessary overhead and could affect system performance.

 Errors

If the function returns -1 to indicate failure, call ATDV_LASTERR( ) and ATDV_ERRMSGP( )

to return one of the following errors:

EIPM_INTERNAL

Internal error

EIPM_SYSTEM

System error

EIPM_FWERROR

Firmware error

EIPM_BADPARM

Invalid parameter

EIPM_INV_MODE

Invalid mode

 Example

#include <stdio.h>

#include <srllib.h>

#include <ipmlib.h>

typedef long int(*HDLR)(unsigned long);

void CheckResetEvent();

void main()

{

int nDeviceHandle;

// Register event handler function with srl

sr_enbhdlr(EV_ANYDEV, IPMEV_RESET, (HDLR)CheckResetEvent);

sr_enbhdlr(EV_ANYDEV, IPMEV_RESET_FAIL, (HDLR)CheckResetEvent);

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