134 lines
2.4 KiB
C++
134 lines
2.4 KiB
C++
/*
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Copyright (C) 1998 Paul Barton-Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#include <cstdio>
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#include <fcntl.h>
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#include <midi++/types.h>
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#include <midi++/port.h>
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#include <midi++/channel.h>
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#include <midi++/port_request.h>
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//using namespace Select;
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using namespace MIDI;
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size_t Port::nports = 0;
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Port::Port (PortRequest &req)
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{
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_ok = false; /* derived class must set to true if constructor
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succeeds.
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*/
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bytes_written = 0;
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bytes_read = 0;
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input_parser = 0;
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output_parser = 0;
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slowdown = 0;
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_devname = req.devname;
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_tagname = req.tagname;
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_mode = req.mode;
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_number = nports++;
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if (_mode == O_RDONLY || _mode == O_RDWR) {
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input_parser = new Parser (*this);
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} else {
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input_parser = 0;
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}
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if (_mode == O_WRONLY || _mode == O_RDWR) {
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output_parser = new Parser (*this);
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} else {
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output_parser = 0;
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}
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for (int i = 0; i < 16; i++) {
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_channel[i] = new Channel (i, *this);
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if (input_parser) {
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_channel[i]->connect_input_signals ();
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}
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if (output_parser) {
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_channel[i]->connect_output_signals ();
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}
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}
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}
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Port::~Port ()
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{
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for (int i = 0; i < 16; i++) {
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delete _channel[i];
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}
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}
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int
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Port::clock ()
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{
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static byte clockmsg = 0xf8;
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if (_mode != O_RDONLY) {
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return midimsg (&clockmsg, 1);
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}
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return 0;
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}
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/*
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void
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Port::selector_read_callback (Selectable *s, Select::Condition cond)
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{
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byte buf[64];
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read (buf, sizeof (buf));
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}
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*/
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void
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Port::xforms_read_callback (int cond, int fd, void *ptr)
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{
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byte buf[64];
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((Port *)ptr)->read (buf, sizeof (buf));
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}
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void
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Port::gtk_read_callback (void *ptr, int fd, int cond)
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{
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byte buf[64];
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((Port *)ptr)->read (buf, sizeof (buf));
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}
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void
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Port::write_callback (byte *msg, unsigned int len, void *ptr)
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{
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((Port *)ptr)->write (msg, len);
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}
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