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livetrax/libs/surfaces/us2400/led.cc

73 lines
1.7 KiB
C++

/*
Copyright (C) 2006,2007 John Anderson
Copyright (C) 2012 Paul Davis
Copyright (C) 2017 Ben Loftis
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.
*/
#include "led.h"
#include "surface.h"
#include "control_group.h"
using namespace ArdourSurface;
using namespace US2400;
const int Led::FaderTouch = 0x70;
const int Led::Timecode = 0x71;
const int Led::Beats = 0x72;
const int Led::RudeSolo = 0x73;
const int Led::RelayClick = 0x74;
Control*
Led::factory (Surface& surface, int id, const char* name, Group& group)
{
Led* l = new Led (id, name, group);
surface.leds[id] = l;
surface.controls.push_back (l);
group.add (*l);
return l;
}
MidiByteArray
Led::set_state (LedState new_state)
{
if (new_state == last_state) {
if (new_state == llast_state) {
return MidiByteArray ();
}
}
llast_state = last_state;
last_state = new_state;
MIDI::byte msg = 0;
switch (new_state.state()) {
case LedState::on:
msg = 0x7f;
break;
case LedState::off:
msg = 0x00;
break;
case LedState::flashing:
msg = 0x01;
break;
case LedState::none:
return MidiByteArray ();
}
return MidiByteArray (3, 0x90, id(), msg);
}