2003-10-28 10:57:13 +00:00
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/*
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*
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* Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de>
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*
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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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*
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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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*
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2003-10-24 14:01:45 +00:00
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#include <sound/asequencer.h>
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#include "Cus428State.h"
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class Cus428Midi {
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public:
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Cus428Midi():
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Seq(0){}
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int CreatePorts(){
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int Err;
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if (0 <= (Err = snd_seq_open(&Seq, "default", SND_SEQ_OPEN_DUPLEX, SND_SEQ_NONBLOCK))) {
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snd_seq_set_client_name(Seq, "US-428");
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Err = snd_seq_create_simple_port(Seq, "Controls",
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SNDRV_SEQ_PORT_CAP_READ
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//|SNDRV_SEQ_PORT_CAP_WRITE FIXME: Next Step is to make Lights switchable
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|SNDRV_SEQ_PORT_CAP_SUBS_READ
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/*|SNDRV_SEQ_PORT_CAP_SUBS_WRITE*/,
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SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC);
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if (Err >= 0) {
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Port = Err;
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snd_seq_ev_clear(&Ev);
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snd_seq_ev_set_direct(&Ev);
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snd_seq_ev_set_source(&Ev, Port);
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snd_seq_ev_set_subs(&Ev);
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}
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}
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return Err;
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}
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int SendMidiControl(char Param, char Val){
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snd_seq_ev_set_controller(&Ev, 15, Param, Val & 0x7F);
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SubMitEvent();
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return 0;
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}
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int SendMidiControl(Cus428State::eKnobs K, bool Down){
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return SendMidiControl(KnobParam[K - Cus428State::eK_RECORD], Down ? 0x7F : 0);
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}
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private:
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snd_seq_t *Seq;
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int Port;
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snd_seq_event_t Ev;
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int SubMitEvent(){
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snd_seq_event_output(Seq, &Ev);
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snd_seq_drain_output(Seq);
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return 0;
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}
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static char KnobParam[];
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};
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extern Cus428Midi Midi;
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