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livetrax/libs/surfaces/faderport8/fp8_base.h

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/*
* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _ardour_surfaces_fp8base_h_
#define _ardour_surfaces_fp8base_h_
#include <stdint.h>
#include <vector>
#include "pbd/signals.h"
namespace ArdourSurface {
/* conveniece wrappers depending on "FP8Base& _base" */
#define fp8_loop dynamic_cast<BaseUI*>(&_base)->main_loop
#define fp8_context() dynamic_cast<BaseUI*>(&_base)
#define fp8_protocol() dynamic_cast<ControlProtocol*>(&_base)
/** Virtual abstract base of the FaderPort8 control surface
*
* This is passed as handle to all elements (buttons, lights,..)
* to inteface common functionality for the current instance:
* - sending MIDI
* - global events (signals)
* - thread context
*
* It is implemented by FaderPort8
*/
class FP8Base
{
public:
virtual ~FP8Base() {}
virtual size_t tx_midi (std::vector<uint8_t> const&) const = 0;
virtual std::string const& timecode () const = 0;
virtual std::string const& musical_time () const = 0;
virtual bool shift_mod () const = 0;
virtual bool show_meters () const = 0;
virtual bool show_panner () const = 0;
virtual bool twolinetext () const = 0;
virtual uint32_t clock_mode () const = 0;
size_t tx_midi2 (uint8_t sb, uint8_t d1) const
{
std::vector<uint8_t> d;
d.push_back (sb);
d.push_back (d1);
return tx_midi (d);
}
size_t tx_midi3 (uint8_t sb, uint8_t d1, uint8_t d2) const
{
std::vector<uint8_t> d;
d.push_back (sb);
d.push_back (d1);
d.push_back (d2);
return tx_midi (d);
}
size_t tx_sysex (size_t count, ...)
{
std::vector<uint8_t> d;
sysexhdr (d);
va_list var_args;
va_start (var_args, count);
for (size_t i = 0; i < count; ++i)
{
// uint8_t {aka unsigned char} is promoted to int when passed through ...
uint8_t b = va_arg (var_args, int);
d.push_back (b);
}
va_end (var_args);
d.push_back (0xf7);
return tx_midi (d);
}
size_t tx_text (uint8_t id, uint8_t line, uint8_t align, std::string const& txt)
{
std::vector<uint8_t> d;
sysexhdr (d);
d.push_back (0x12);
d.push_back (id & 0x0f);
d.push_back (line & 0x03);
d.push_back (align & 0x07);
for (size_t i = 0; i < txt.size(); ++i)
{
d.push_back (txt[i]);
if (i >= 8) {
break;
}
}
d.push_back (0xf7);
return tx_midi (d);
}
/* modifier keys */
PBD::Signal1<void, bool> ShiftButtonChange;
PBD::Signal1<void, bool> ARMButtonChange;
/* timer events */
PBD::Signal1<void, bool> BlinkIt;
PBD::Signal0<void> Periodic;
private:
void sysexhdr (std::vector<uint8_t>& d)
{
/* faderport8 <SysExHdr> */
d.push_back (0xf0);
d.push_back (0x00);
d.push_back (0x01);
d.push_back (0x06);
d.push_back (0x02);
}
};
namespace FP8Types {
enum FaderMode {
ModeTrack,
ModePlugins,
ModeSend,
ModePan
};
enum NavigationMode {
NavChannel,
NavZoom,
NavScroll,
NavBank,
NavMaster,
NavSection,
NavMarker
};
enum MixMode {
MixAudio,
MixInstrument,
MixBus,
MixVCA,
MixAll,
MixInputs,
MixMIDI,
MixOutputs,
MixFX,
MixUser,
MixModeMax = MixUser
};
};
} /* namespace */
#endif /* _ardour_surfaces_fp8base_h_ */