82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/*
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Copyright (C) 2006,2007 John Anderson
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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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*/
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#ifndef mackie_midi_builder_h
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#define mackie_midi_builder_h
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#include "midi_byte_array.h"
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#include "types.h"
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namespace Mackie
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{
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/**
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This knows how to build midi messages given a control and
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a state.
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*/
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class MackieMidiBuilder
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{
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public:
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/**
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The first byte of a midi message from the surface
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will contain one of these, sometimes bitmasked
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with the control id
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*/
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enum midi_types {
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midi_fader_id = 0xe0
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, midi_button_id = 0x90
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, midi_pot_id = 0xb0
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};
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/**
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The LED rings have these modes.
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*/
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enum midi_pot_mode {
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midi_pot_mode_dot = 0
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, midi_pot_mode_boost_cut = 1
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, midi_pot_mode_wrap = 2
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, midi_pot_mode_spread = 3
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};
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MidiByteArray build_led_ring( const Pot & pot, const ControlState & );
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MidiByteArray build_led_ring( const LedRing & led_ring, const ControlState & );
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MidiByteArray build_led( const Led & led, LedState ls );
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MidiByteArray build_led( const Button & button, LedState ls );
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MidiByteArray build_fader( const Fader & fader, float pos );
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/// return bytes that will reset all controls to their zero positions
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MidiByteArray zero_strip( const Strip & strip );
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// provide bytes to zero the given control
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MidiByteArray zero_control( const Control & control );
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// display the first 2 chars of the msg in the 2 char display
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// . is appended to the previous character, so A.B. would
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// be two characters
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MidiByteArray two_char_display( const std::string & msg, const std::string & dots = " " );
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MidiByteArray two_char_display( unsigned int value, const std::string & dots = " " );
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protected:
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static MIDI::byte calculate_pot_value( midi_pot_mode mode, const ControlState & );
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};
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}
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#endif
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