ntv2interrupts.cpp

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/* SPDX-License-Identifier: MIT */
#include "ntv2card.h"


static const INTERRUPT_ENUMS    gChannelToInputInterrupt [] =   {eInput1,   eInput2,    eInput3,    eInput4,    eInput5,    eInput6,    eInput7,    eInput8,    eNumInterruptTypes};
static const INTERRUPT_ENUMS    gChannelToOutputInterrupt [] =  {eOutput1,  eOutput2,   eOutput3,   eOutput4,   eOutput5,   eOutput6,   eOutput7,   eOutput8,   eNumInterruptTypes};


bool CNTV2Card::GetCurrentInterruptMasks (NTV2InterruptMask & outIntMask1, NTV2Interrupt2Mask & outIntMask2)
{
    return CNTV2DriverInterface::ReadRegister(kRegVidIntControl, outIntMask1)  &&  CNTV2DriverInterface::ReadRegister(kRegVidIntControl2, outIntMask2);
}


bool CNTV2Card::EnableInterrupt         (const INTERRUPT_ENUMS inInterruptCode) {return ConfigureInterrupt (true, inInterruptCode);}
bool CNTV2Card::EnableOutputInterrupt   (const NTV2Channel channel)             {return EnableInterrupt (gChannelToOutputInterrupt [channel]);}
bool CNTV2Card::EnableInputInterrupt    (const NTV2Channel channel)             {return EnableInterrupt (gChannelToInputInterrupt [channel]);}
bool CNTV2Card::EnableInputInterrupt    (const NTV2ChannelSet & inFrameStores)
{
    UWord failures(0);
    for (NTV2ChannelSetConstIter it(inFrameStores.begin());  it != inFrameStores.end();  ++it)
        if (!EnableInputInterrupt (*it))
            failures++;
    return failures == 0;
}

bool CNTV2Card::DisableInterrupt        (const INTERRUPT_ENUMS inInterruptCode)
{
    if(NTV2_IS_INPUT_INTERRUPT(inInterruptCode) || NTV2_IS_OUTPUT_INTERRUPT(inInterruptCode))
        return true;
    return ConfigureInterrupt (false, inInterruptCode);
}
bool CNTV2Card::DisableOutputInterrupt  (const NTV2Channel channel)             {return DisableInterrupt (gChannelToOutputInterrupt [channel]);}
bool CNTV2Card::DisableInputInterrupt   (const NTV2Channel channel)             {return DisableInterrupt (gChannelToInputInterrupt [channel]);}
bool CNTV2Card::DisableInputInterrupt   (const NTV2ChannelSet & inFrameStores)
{
    UWord failures(0);
    for (NTV2ChannelSetConstIter it(inFrameStores.begin());  it != inFrameStores.end();  ++it)
        if (!DisableInputInterrupt (*it))
            failures++;
    return failures == 0;
}