64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
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//==========================================================================;
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (c) 1992 - 1997 Microsoft Corporation. All Rights Reserved.
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//
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//==========================================================================;
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#include "strmini.h"
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#include "ksmedia.h"
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#include "capmain.h"
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/*
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** HwInterrupt()
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**
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** Routine is called when an interrupt at the IRQ level specified by the
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** ConfigInfo structure passed to the HwInitialize routine is received.
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**
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** Note: IRQs may be shared, so the device should ensure the IRQ received
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** was expected
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**
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** Arguments:
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**
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** pHwDevEx - the device extension for the hardware interrupt
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**
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** Returns:
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**
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** Side Effects: none
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*/
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BOOLEAN
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HwInterrupt(
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IN PHW_DEVICE_EXTENSION pHwDevEx
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)
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{
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BOOLEAN fMyIRQ = FALSE;
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if (pHwDevEx->IRQExpected)
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{
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pHwDevEx->IRQExpected = FALSE;
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//
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// call the routine to handle the IRQ here
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//
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fMyIRQ = TRUE;
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}
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//
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// returning FALSE indicates that this was not an IRQ for this device, and
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// the IRQ dispatcher will pass the IRQ down the chain to the next handler
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// for this IRQ level
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//
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return(fMyIRQ);
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}
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