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◆ main openmsx / src / serial / MSXFacMidiInterface.cc
3.4 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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#include "MSXFacMidiInterface.hh"
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#include "MidiInDevice.hh"
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#include "serialize.hh"
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#include "outer.hh"
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namespace openmsx {
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MSXFacMidiInterface::MSXFacMidiInterface(const DeviceConfig& config)
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	: MSXDevice(config)
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	, MidiInConnector(MSXDevice::getPluggingController(), MSXDevice::getName() + "-in")
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	, outConnector   (MSXDevice::getPluggingController(), MSXDevice::getName() + "-out")
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	, i8251(getScheduler(), interface, getCurrentTime())
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{
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	EmuTime time = getCurrentTime();
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	static constexpr auto period = EmuDuration::hz(500000); // 500 kHz
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	i8251.getClockPin().setPeriodicState(period, period / 2, time);
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	reset(time);
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}
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void MSXFacMidiInterface::reset(EmuTime time)
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{
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	i8251.reset(time);
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}
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uint8_t MSXFacMidiInterface::readIO(uint16_t port, EmuTime time)
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{
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	// 0 -> UART data   register
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	// 1 -> UART status register
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	return i8251.readIO(port & 1, time);
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}
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uint8_t MSXFacMidiInterface::peekIO(uint16_t port, EmuTime time) const
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{
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	return i8251.peekIO(port & 1, time);
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}
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void MSXFacMidiInterface::writeIO(uint16_t port, uint8_t value, EmuTime time)
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{
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	// 0 -> UART data    register
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	// 1 -> UART command register
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	i8251.writeIO(port & 1, value, time);
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}
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// I8251Interface  (pass calls from I8251 to outConnector)
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void MSXFacMidiInterface::Interface::setRxRDY(bool /*status*/, EmuTime /*time*/)
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{
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}
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void MSXFacMidiInterface::Interface::setDTR(bool /*status*/, EmuTime /*time*/)
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{
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}
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void MSXFacMidiInterface::Interface::setRTS(bool /*status*/, EmuTime /*time*/)
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{
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}
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bool MSXFacMidiInterface::Interface::getDSR(EmuTime /*time*/)
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{
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	return true;
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}
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bool MSXFacMidiInterface::Interface::getCTS(EmuTime /*time*/)
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{
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	return true;
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}
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void MSXFacMidiInterface::Interface::setDataBits(DataBits bits)
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{
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	auto& midi = OUTER(MSXFacMidiInterface, interface);
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	midi.outConnector.setDataBits(bits);
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}
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void MSXFacMidiInterface::Interface::setStopBits(StopBits bits)
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{
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	auto& midi = OUTER(MSXFacMidiInterface, interface);
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	midi.outConnector.setStopBits(bits);
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}
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void MSXFacMidiInterface::Interface::setParityBit(bool enable, Parity parity)
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{
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	auto& midi = OUTER(MSXFacMidiInterface, interface);
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	midi.outConnector.setParityBit(enable, parity);
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}
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void MSXFacMidiInterface::Interface::recvByte(uint8_t value, EmuTime time)
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{
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	auto& midi = OUTER(MSXFacMidiInterface, interface);
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	midi.outConnector.recvByte(value, time);
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}
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void MSXFacMidiInterface::Interface::signal(EmuTime time)
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{
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	const auto& midi = OUTER(MSXFacMidiInterface, interface);
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	midi.getPluggedMidiInDev().signal(time);
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}
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// MidiInConnector
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bool MSXFacMidiInterface::ready()
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{
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	return i8251.isRecvReady();
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}
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bool MSXFacMidiInterface::acceptsData()
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{
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	return i8251.isRecvEnabled();
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}
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void MSXFacMidiInterface::setDataBits(DataBits bits)
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{
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	i8251.setDataBits(bits);
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}
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void MSXFacMidiInterface::setStopBits(StopBits bits)
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{
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	i8251.setStopBits(bits);
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}
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void MSXFacMidiInterface::setParityBit(bool enable, Parity parity)
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{
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	i8251.setParityBit(enable, parity);
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}
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void MSXFacMidiInterface::recvByte(uint8_t value, EmuTime time)
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{
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	i8251.recvByte(value, time);
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}
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template<typename Archive>
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void MSXFacMidiInterface::serialize(Archive& ar, unsigned /*version*/)
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{
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	ar.template serializeBase<MSXDevice>(*this);
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	ar.template serializeBase<MidiInConnector>(*this);
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	ar.serialize("outConnector", outConnector,
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	             "I8251",        i8251);
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}
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INSTANTIATE_SERIALIZE_METHODS(MSXFacMidiInterface);
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REGISTER_MSXDEVICE(MSXFacMidiInterface, "MSXFacMidiInterface");
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} // namespace openmsx