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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 "osdepend.h"
#include "midiout.h"
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
const device_type MIDIOUT = &device_creator<midiout_device>;
/*-------------------------------------------------
ctor
-------------------------------------------------*/
midiout_device::midiout_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock)
: device_t(mconfig, MIDIOUT, "MIDI Out image device", tag, owner, clock, "midiout", __FILE__),
device_image_interface(mconfig, *this),
device_serial_interface(mconfig, *this),
m_midi(nullptr)
{
}
/*-------------------------------------------------
device_start
-------------------------------------------------*/
void midiout_device::device_start()
{
m_midi = nullptr;
}
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(31250);
set_tra_rate(0);
}
void midiout_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
device_serial_interface::device_timer(timer, id, param, ptr);
}
/*-------------------------------------------------
device_config_complete
-------------------------------------------------*/
void midiout_device::device_config_complete(void)
{
update_names();
}
/*-------------------------------------------------
call_load
-------------------------------------------------*/
bool midiout_device::call_load(void)
{
m_midi = machine().osd().create_midi_device();
if (!m_midi->open_output(filename()))
{
global_free(m_midi);
m_midi = nullptr;
return IMAGE_INIT_FAIL;
}
return IMAGE_INIT_PASS;
}
/*-------------------------------------------------
call_unload
-------------------------------------------------*/
void midiout_device::call_unload(void)
{
if (m_midi)
{
m_midi->close();
global_free(m_midi);
m_midi = nullptr;
}
}
void midiout_device::rcv_complete() // Rx completed receiving byte
{
receive_register_extract();
UINT8 data = get_received_char();
if (m_midi)
{
m_midi->write(data);
}
}
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