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/*
* Copyright (c) 2003-2005 Alexandre Ratchov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* mididev_s is a generic midi device structure
* it doesn't containt any device-specific fields
* and shoud be extended by other structures
*
* this module also, manages a global list of generic
* midi devices
*/
#include "dbg.h"
#include "default.h"
#include "mididev.h"
#include "data.h"
#include "name.h"
#include "rmidi.h"
#include "pool.h"
#include "cons.h"
/* -------------------------------------------- device management --- */
unsigned mididev_ticrate; /* global dics per unit */
void
mididev_init(struct mididev_s *o) {
/*
* by default we don't transmit realtime information
* (midi_tic, midi_start, midi_stop etc...)
*/
o->sendrt = 0;
o->ticrate = DEFAULT_TPU;
o->ticdelta = 0xdeadbeef;
}
void
mididev_done(struct mididev_s *o) {
}
/* -------------------------------------------- device list stuff --- */
struct mididev_s *mididev_list, *mididev_master;
struct mididev_s *mididev_byunit[DEFAULT_MAXNDEVS];
void
mididev_listinit(void) {
unsigned i;
for (i = 0; i < DEFAULT_MAXNDEVS; i++) {
mididev_byunit[i] = NULL;
}
mididev_list = NULL;
mididev_master = NULL; /* no master, use internal clock */
}
void
mididev_listdone(void) {
unsigned i;
struct mididev_s *dev;
for (i = 0; i < DEFAULT_MAXNDEVS; i++) {
dev = mididev_byunit[i];
if (dev != NULL) {
rmidi_done(RMIDI(dev));
mididev_byunit[i] = NULL;
}
}
mididev_master = NULL;
mididev_list = NULL;
}
unsigned
mididev_attach(unsigned unit, char *path) {
struct mididev_s *dev;
if (unit >= DEFAULT_MAXNDEVS) {
cons_err("given unit is too large");
return 0;
}
if (mididev_byunit[unit] != NULL) {
cons_err("device already exists");
return 0;
}
dev = (struct mididev_s *)rmidi_new();
RMIDI(dev)->mdep.path = str_new(path);
dev->next = mididev_list;
mididev_list = dev;
mididev_byunit[unit] = dev;
dev->unit = unit;
return 1;
}
unsigned
mididev_detach(unsigned unit) {
struct mididev_s **i, *dev;
if (unit >= DEFAULT_MAXNDEVS || mididev_byunit[unit] == NULL) {
cons_err("no such device");
return 0;
}
if (mididev_byunit[unit] == mididev_master) {
cons_err("cant detach master device");
return 0;
}
for (i = &mididev_list; *i != NULL; i = &(*i)->next) {
dev = *i;
if (dev->unit == unit) {
*i = dev->next;
str_delete(RMIDI(dev)->mdep.path);
rmidi_delete(RMIDI(dev));
mididev_byunit[unit] = NULL;
return 1;
}
}
dbg_puts("mididev_detach: the device is not in the list\n");
dbg_panic();
return 0;
}
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