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// license:BSD-3-Clause
// copyright-holders:R. Belmont
/*********************************************************************
midiout.c
MIDI Out image device and serial receiver
*********************************************************************/
#include "emu.h"
#include "midiout.h"
#include "osdepend.h"
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
DEFINE_DEVICE_TYPE(MIDIOUT, midiout_device, "midiout", "MIDI Out image device")
/*-------------------------------------------------
ctor
-------------------------------------------------*/
midiout_device::midiout_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock)
: device_t(mconfig, MIDIOUT, tag, owner, clock),
device_image_interface(mconfig, *this),
device_serial_interface(mconfig, *this),
m_midi()
{
}
midiout_device::~midiout_device()
{
}
/*-------------------------------------------------
device_start
-------------------------------------------------*/
void midiout_device::device_start()
{
m_midi.reset();
}
void midiout_device::device_reset()
{
// we don't Tx, we Rx at 31250 8-N-1
set_data_frame(1, 8, PARITY_NONE, STOP_BITS_1);
set_rcv_rate(XTAL::u(31250));
set_tra_rate(XTAL::u(0));
}
/*-------------------------------------------------
call_load
-------------------------------------------------*/
image_init_result midiout_device::call_load()
{
m_midi = machine().osd().create_midi_device();
if (!m_midi->open_output(filename()))
{
m_midi.reset();
return image_init_result::FAIL;
}
return image_init_result::PASS;
}
/*-------------------------------------------------
call_unload
-------------------------------------------------*/
void midiout_device::call_unload()
{
if (m_midi)
{
m_midi->close();
m_midi.reset();
}
}
void midiout_device::rcv_complete() // Rx completed receiving byte
{
receive_register_extract();
uint8_t data = get_received_char();
if (m_midi)
{
m_midi->write(data);
}
}
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