MSXFacMidiInterface.cc

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#include "MSXFacMidiInterface.hh"
#include "MidiInDevice.hh"
#include "outer.hh"
#include "serialize.hh"
 
namespace openmsx {
 
MSXFacMidiInterface::MSXFacMidiInterface(const DeviceConfig& config)
        : MSXDevice(config)
        , MidiInConnector(MSXDevice::getPluggingController(), MSXDevice::getName() + "-in")
        , outConnector   (MSXDevice::getPluggingController(), MSXDevice::getName() + "-out")
        , i8251(getScheduler(), interface, getCurrentTime())
{
        EmuTime::param time = getCurrentTime();
        static constexpr auto period = EmuDuration::hz(500000); // 500 kHz
        i8251.getClockPin().setPeriodicState(period, period / 2, time);
        reset(time);
}
 
void MSXFacMidiInterface::reset(EmuTime::param time)
{
        i8251.reset(time);
}
 
byte MSXFacMidiInterface::readIO(word port, EmuTime::param time)
{
        // 0 -> UART data   register
        // 1 -> UART status register
        return i8251.readIO(port & 1, time);
}
 
byte MSXFacMidiInterface::peekIO(word port, EmuTime::param time) const
{
        return i8251.peekIO(port & 1, time);
}
 
void MSXFacMidiInterface::writeIO(word port, byte value, EmuTime::param time)
{
        // 0 -> UART data    register
        // 1 -> UART command register
        i8251.writeIO(port & 1, value, time);
}
 
// I8251Interface  (pass calls from I8251 to outConnector)
 
void MSXFacMidiInterface::Interface::setRxRDY(bool /*status*/, EmuTime::param /*time*/)
{
}
 
void MSXFacMidiInterface::Interface::setDTR(bool /*status*/, EmuTime::param /*time*/)
{
}
 
void MSXFacMidiInterface::Interface::setRTS(bool /*status*/, EmuTime::param /*time*/)
{
}
 
bool MSXFacMidiInterface::Interface::getDSR(EmuTime::param /*time*/)
{
        return true;
}
 
bool MSXFacMidiInterface::Interface::getCTS(EmuTime::param /*time*/)
{
        return true;
}
 
void MSXFacMidiInterface::Interface::setDataBits(DataBits bits)
{
        auto& midi = OUTER(MSXFacMidiInterface, interface);
        midi.outConnector.setDataBits(bits);
}
 
void MSXFacMidiInterface::Interface::setStopBits(StopBits bits)
{
        auto& midi = OUTER(MSXFacMidiInterface, interface);
        midi.outConnector.setStopBits(bits);
}
 
void MSXFacMidiInterface::Interface::setParityBit(bool enable, ParityBit parity)
{
        auto& midi = OUTER(MSXFacMidiInterface, interface);
        midi.outConnector.setParityBit(enable, parity);
}
 
void MSXFacMidiInterface::Interface::recvByte(byte value, EmuTime::param time)
{
        auto& midi = OUTER(MSXFacMidiInterface, interface);
        midi.outConnector.recvByte(value, time);
}
 
void MSXFacMidiInterface::Interface::signal(EmuTime::param time)
{
        auto& midi = OUTER(MSXFacMidiInterface, interface);
        midi.getPluggedMidiInDev().signal(time);
}
 
 
// MidiInConnector
 
bool MSXFacMidiInterface::ready()
{
        return i8251.isRecvReady();
}
 
bool MSXFacMidiInterface::acceptsData()
{
        return i8251.isRecvEnabled();
}
 
void MSXFacMidiInterface::setDataBits(DataBits bits)
{
        i8251.setDataBits(bits);
}
 
void MSXFacMidiInterface::setStopBits(StopBits bits)
{
        i8251.setStopBits(bits);
}
 
void MSXFacMidiInterface::setParityBit(bool enable, ParityBit parity)
{
        i8251.setParityBit(enable, parity);
}
 
void MSXFacMidiInterface::recvByte(byte value, EmuTime::param time)
{
        i8251.recvByte(value, time);
}
 
 
template<typename Archive>
void MSXFacMidiInterface::serialize(Archive& ar, unsigned /*version*/)
{
        ar.template serializeBase<MSXDevice>(*this);
        ar.template serializeBase<MidiInConnector>(*this);
        ar.serialize("outConnector", outConnector,
                     "I8251",        i8251);
}
INSTANTIATE_SERIALIZE_METHODS(MSXFacMidiInterface);
REGISTER_MSXDEVICE(MSXFacMidiInterface, "MSXFacMidiInterface");
 
} // namespace openmsx