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/*
Copyright (C) 1998 Paul Barton-Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <cstdio>
#include <fcntl.h>
#include <midi++/types.h>
#include <midi++/port.h>
#include <midi++/channel.h>
#include <midi++/port_request.h>
using namespace Select;
using namespace MIDI;
size_t Port::nports = 0;
Port::Port (PortRequest &req)
: _currently_in_cycle(false)
, _nframes_this_cycle(0)
{
_ok = false; /* derived class must set to true if constructor
succeeds.
*/
bytes_written = 0;
bytes_read = 0;
input_parser = 0;
output_parser = 0;
slowdown = 0;
_devname = req.devname;
_tagname = req.tagname;
_mode = req.mode;
_number = nports++;
if (_mode == O_RDONLY || _mode == O_RDWR) {
input_parser = new Parser (*this);
} else {
input_parser = 0;
}
if (_mode == O_WRONLY || _mode == O_RDWR) {
output_parser = new Parser (*this);
} else {
output_parser = 0;
}
for (int i = 0; i < 16; i++) {
_channel[i] = new Channel (i, *this);
if (input_parser) {
_channel[i]->connect_input_signals ();
}
if (output_parser) {
_channel[i]->connect_output_signals ();
}
}
}
Port::~Port ()
{
for (int i = 0; i < 16; i++) {
delete _channel[i];
}
}
/** Send a clock tick message.
* \return true on success.
*/
bool
Port::clock (timestamp_t timestamp)
{
static byte clockmsg = 0xf8;
if (_mode != O_RDONLY) {
return midimsg (&clockmsg, 1, timestamp);
}
return false;
}
void
Port::cycle_start (nframes_t nframes)
{
_currently_in_cycle = true;
_nframes_this_cycle = nframes;
}
void
Port::cycle_end ()
{
_currently_in_cycle = false;
_nframes_this_cycle = 0;
}
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