Masterclock TCR1000 Manual do Utilizador descarregar pdf (Página 11)

TCR1000SDK–Rev.3.0.0   Page11

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TCR1000_ApiDisableCallback

TheTCR1000_ApiDisableCallbackfunctiondisablesoneormoreofthecallbackhookscurrently

activeforthe

callbackfunctionofthecallingthread.



DWORDTCR1000_ApiDisableCallback(

DWORDcbToRemove//maskofcallbackhookstoremove

);

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Parameters

cbToRemove



AnycombinationofcallbackhooksASYNC_xxx(definedinIntApiDefs.H)tobedisabledforthe

callback

functioninusebythecallingthread:



ASYNC_TIMESET Once/minuteinterrupt(second=30,frame=0)

ASYNC_PERSEC Once/secondinterrupt(second=0)

ASYNC_ENDTC Once/frameinterrupt(aftertimecodedata,beforesyncword)

ASYNC_STARTTC Once/frameinterrupt(beforetimecodedata,aftersyncword)

ASYNC_TIMELOSS Timecodelost

ASYNC_TIMEGAIN Timecoderegainedfromloststate

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ReturnValues

Onsuccess,thenewcallbackhooksmask

Onfailure,ASYNC_MASK_ERROR

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Remarks

Athreadmustdisableitscallbackfunctionbeforeterminating.

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Eachthreadinaprocessmayhaveanactivecallbackfunctionbutnomorethanone.Allcallsto

TCR1000_ApiDisableCallbackareonbehalfofthecallingthread,notthecallingprocess.Disablinga

callbackhookdoesnotaffectthecallbackhooksofotherthreadsorotherprocesses.Call

TCR1000_ApiDisableCallbackwithcbToRemovesettoASYNC_ALLtodisablethecallbackfunctionfor

thecurrentthread.Whenallcallbackhookshavebeendisabledforacallbackfunctionthefunctionis

nolongercalledandisremovedfromtheAPI’sinternalcallbacktables.Seethesectionentitled

RelationshipofTCRInterruptstoTCRDLLAsynchronousNotificationforadditionalissuesregarding

theuseofthisfunction.

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Masterclock TCR1000 Manual do Utilizador Página 11