/************************************************************************
 IMPORTANT NOTE : this file contains two clearly delimited sections :
 the ARCHITECTURE section (in two parts) and the USER section. Each section
 is governed by its own copyright and license. Please check individually
 each section for license and copyright information.
 *************************************************************************/

/******************* BEGIN bela.cpp ****************/

/************************************************************************
 Bela FAUST Architecture file
 Oli Larkin 2016
 www.olilarkin.co.uk
 Based on owl.cpp
 
 FAUST Architecture File
 Copyright (C) 2003-2019 GRAME, Centre National de Creation Musicale
 ---------------------------------------------------------------------
 This Architecture section 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 3 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, see <http://www.gnu.org/licenses/>.
 
 EXCEPTION : As a special exception, you may create a larger work
 that contains this FAUST architecture section and distribute
 that work under terms of your choice, so long as this FAUST
 architecture section is not modified.
 
 ************************************************************************
 ************************************************************************/ 
 
 /************************************************************************
    Evolution (2022): Trill Sensors support

    type of sensors supported :
        BAR : Position, Pressure, Touched. (Multitouch not supported)
        SQUARE : Position X & Y, Pressure, Touched. (Multitouch not supported)
        CRAFT : Pressure or index of (first or last) active pin (depend on mode)
        RING : Position, Pressure, Touched. (Multitouch not supported)
        HEX : Position, Pressure, Touched. (Multitouch not supported)
    usage : add in Meta data in UI widget of the Faust Code
        TRILL:BAR_POS_n
        TRILL:BAR_LVL_n
        TRILL:BAR_TOUCH_n
        TRILL:SQUARE_XPOS_n
        TRILL:SQUARE_YPOS_n
        TRILL:SQUARE_LVL_n
        TRILL:SQUARE_TOUCH_n
        TRILL:CRAFT_n PIN no_pin
        TRILL:CRAFT_n UP lo_pin-hi_pin (return the index of the higher pin active in the array of pin defined or -1 if no pin active)
        TRILL:CRAFT_n DOWN lo_pin-hi_pin (return the index of the lower pin active in the array of pin defined or -1 if no pin active)
        TRILL:CRAFT_n SLIDER down_pin-up_pin (return a buffered value. press the down_pin décraise the value, press the up_pin incraise the value)
        TRILL:RING_POS_n
        TRILL:RING_POS_n MULTITURN nbr (the range oh value is extended on 'nbr' turn)
        TRILL:RING_LVL_n
        TRILL:RING_TOUCH_n
        TRILL:HEX_POS_n
        TRILL:HEX_LVL_n
        TRILL:HEX_TOUCH_n 
    where n is the sensors index. index suported are 0 to 7 for each type of sensor.
    
    for the sensors BAR, SQUARE and HEX they are a buffered value option (for RING_POS sensors the value is buffered in MULTITURN mode). 
    if BUFFERED is set, the value are persistent when the sensor is not touched. If not set, the value return to default value.
    (This option as no effect for the TOUCH value of the sensors)
    usage : [ TRILL:XXXX_n BUFFERED ]
    
    sensibility settings for craft :
        declare trill_settings "{ 'CRAFT_n' : { 'prescaler' : 4 ; 'threshold' : 0.15 } ; CRAFT_m ... }"
        
    mapping of the sensors i2c adresses (required) :
        declare trill_mappings "{'BAR' : {'0' : 32 ; '1' : 33 ...} ; 'SQUARE' : {'0' : 40 ; '1' : 41 ...} ; 'CRAFT' : {'0' : 48 ...} ; 'RING' : { '0' : 56 ... } ; 'HEX' : { '0' : 56 ... } }"
        
    keyboard for polyphony :
        declare trill_keyboard "{'CRAFT_n' : {'start_pin' : 0 ; 'end_pin' : 29 ; 'start_note' : {'C' : 4} ; 'scale' : {1 ; 0.5 ; 1 ; 1 ; 1 ; 1 ; 0.5 } }; CRAFT_m : {'start_pin' : 0 ; 'end_pin' : 12 ...} ...}"
        
        'start_pin' and 'end_pin' are the limits of the array of pin used for a craft sensor.
        'start_note' is note of the first keyboard's pin in the forme : { 'Note' : octave }.
        'scale' is an optional argument. if not present the scale of the keyboard is chromatic. The scale is defined by the values of spaces betwen the note. The resolution is the semi-tone. ex of scale : { 1 ; 1 ; 1.5 ; 1 ; 1.5 }
        
        The trill_keyboard update the sliders defined as freq, gain and gate (via the mydsp_poly key_On and key_Off functions).
    
 ************************************************************************/ 

#ifndef __FaustBela_H__
#define __FaustBela_H__

#include <cstddef>
#include <string>
#include <iostream>
#include <math.h>
#include <strings.h>
#include <cstdlib>
#include <Bela.h>
#include <Utilities.h>

#include <libraries/Trill/Trill.h>

using namespace std;

#include "faust/gui/SimpleParser.h"
#include "faust/dsp/timed-dsp.h"
#include "faust/gui/DecoratorUI.h"
#include "faust/gui/MidiUI.h"

// for MIDI support
#ifdef MIDICTRL
#include "faust/midi/bela-midi.h"
#endif

// for OSC support
#ifdef OSCCTRL
#include "faust/gui/BelaOSCUI.h"
#endif

// for HTTPDGUI support
#ifdef HTTPDGUI
#include "faust/gui/httpdUI.h"
#endif

// for soundfile support
#ifdef SOUNDFILE
#include "faust/gui/SoundUI.h"
#endif

// for polyphonic synths
#include "faust/dsp/poly-dsp.h"

// for polyphonic synths with FX
#ifdef POLY2
#include "faust/dsp/dsp-combiner.h"
#include "effect.h"
#endif

const unsigned int i2cBus = 1;

const char* const pinNamesStrings[] =
{
    "ANALOG_0",
    "ANALOG_1",
    "ANALOG_2",
    "ANALOG_3",
    "ANALOG_4",
    "ANALOG_5",
    "ANALOG_6",
    "ANALOG_7",
    "ANALOG_8",
    "DIGITAL_0",
    "DIGITAL_1",
    "DIGITAL_2",
    "DIGITAL_3",
    "DIGITAL_4",
    "DIGITAL_5",
    "DIGITAL_6",
    "DIGITAL_7",
    "DIGITAL_8",
    "DIGITAL_9",
    "DIGITAL_10",
    "DIGITAL_11",
    "DIGITAL_12",
    "DIGITAL_13",
    "DIGITAL_14",
    "DIGITAL_15",
    "ANALOG_OUT_0", // outputs
    "ANALOG_OUT_1",
    "ANALOG_OUT_2",
    "ANALOG_OUT_3",
    "ANALOG_OUT_4",
    "ANALOG_OUT_5",
    "ANALOG_OUT_6",
    "ANALOG_OUT_7",
    "ANALOG_OUT_8",
    "BAR_POS_0",   // Trill sensors
    "BAR_LVL_0",
    "BAR_TOUCH_0",
    "BAR_POS_1",
    "BAR_LVL_1",
    "BAR_TOUCH_1",
    "BAR_POS_2",
    "BAR_LVL_2",
    "BAR_TOUCH_2",
    "BAR_POS_3",
    "BAR_LVL_3",
    "BAR_TOUCH_3",
    "BAR_POS_4",
    "BAR_LVL_4",
    "BAR_TOUCH_4",
    "BAR_POS_5",
    "BAR_LVL_5",
    "BAR_TOUCH_5",
    "BAR_POS_6",
    "BAR_LVL_6",
    "BAR_TOUCH_6",
    "BAR_POS_7",
    "BAR_LVL_7",
    "BAR_TOUCH_7",
    "SQUARE_XPOS_0",
    "SQUARE_YPOS_0",
    "SQUARE_LVL_0",
    "SQUARE_TOUCH_0",
    "SQUARE_XPOS_1",
    "SQUARE_YPOS_1",
    "SQUARE_LVL_1",
    "SQUARE_TOUCH_1",
    "SQUARE_XPOS_2",
    "SQUARE_YPOS_2",    
    "SQUARE_LVL_2",
    "SQUARE_TOUCH_2",
    "SQUARE_XPOS_3",
    "SQUARE_YPOS_3",
    "SQUARE_LVL_3",
    "SQUARE_TOUCH_3",
    "SQUARE_XPOS_4",
    "SQUARE_YPOS_4",    
    "SQUARE_LVL_4",
    "SQUARE_TOUCH_4",
    "SQUARE_XPOS_5",
    "SQUARE_YPOS_5",
    "SQUARE_LVL_5",
    "SQUARE_TOUCH_5",
    "SQUARE_XPOS_6",
    "SQUARE_YPOS_6",    
    "SQUARE_LVL_6",
    "SQUARE_TOUCH_6",
    "SQUARE_XPOS_7",
    "SQUARE_YPOS_7",
    "SQUARE_LVL_7",
    "SQUARE_TOUCH_7",
    "CRAFT_0",
    "CRAFT_1",
    "CRAFT_2",
    "CRAFT_3",
    "CRAFT_4",
    "CRAFT_5",
    "CRAFT_6",
    "CRAFT_7",
    "RING_POS_0",
    "RING_LVL_0",
    "RING_TOUCH_0",
    "RING_POS_1",
    "RING_LVL_1",
    "RING_TOUCH_1",
    "RING_POS_2",
    "RING_LVL_2",
    "RING_TOUCH_2",
    "RING_POS_3",
    "RING_LVL_3",
    "RING_TOUCH_3",
    "RING_POS_4",
    "RING_LVL_4",
    "RING_TOUCH_4",
    "RING_POS_5",
    "RING_LVL_5",
    "RING_TOUCH_5",
    "RING_POS_6",
    "RING_LVL_6",
    "RING_TOUCH_6",
    "RING_POS_7",
    "RING_LVL_7",
    "RING_TOUCH_7",
    "HEX_XPOS_0",
    "HEX_YPOS_0",
    "HEX_LVL_0",
    "HEX_TOUCH_0",
    "HEX_XPOS_1",
    "HEX_YPOS_1",
    "HEX_LVL_1",
    "HEX_TOUCH_1",
    "HEX_XPOS_2",
    "HEX_YPOS_2",
    "HEX_LVL_2",
    "HEX_TOUCH_2",
    "HEX_XPOS_3",
    "HEX_YPOS_3",
    "HEX_LVL_3",
    "HEX_TOUCH_3",
    "HEX_XPOS_4",
    "HEX_YPOS_4",
    "HEX_LVL_4",
    "HEX_TOUCH_4",
    "HEX_XPOS_5",
    "HEX_YPOS_5",
    "HEX_LVL_5",
    "HEX_TOUCH_5",
    "HEX_XPOS_6",
    "HEX_YPOS_6",
    "HEX_LVL_6",
    "HEX_TOUCH_6",
    "HEX_XPOS_7",
    "HEX_YPOS_7",
    "HEX_LVL_7",
    "HEX_TOUCH_7"
};

enum EInOutPin
{
    kNoPin = -1,
    kANALOG_0 = 0,
    kANALOG_1,
    kANALOG_2,
    kANALOG_3,
    kANALOG_4,
    kANALOG_5,
    kANALOG_6,
    kANALOG_7,
    kANALOG_8,
    kDIGITAL_0,
    kDIGITAL_1,
    kDIGITAL_2,
    kDIGITAL_3,
    kDIGITAL_4,
    kDIGITAL_5,
    kDIGITAL_6,
    kDIGITAL_7,
    kDIGITAL_8,
    kDIGITAL_9,
    kDIGITAL_10,
    kDIGITAL_11,
    kDIGITAL_12,
    kDIGITAL_13,
    kDIGITAL_14,
    kDIGITAL_15,
    kANALOG_OUT_0,
    kANALOG_OUT_1,
    kANALOG_OUT_2,
    kANALOG_OUT_3,
    kANALOG_OUT_4,
    kANALOG_OUT_5,
    kANALOG_OUT_6,
    kANALOG_OUT_7,
    kANALOG_OUT_8,
    kBAR_POS_0,
    kBAR_LVL_0,
    kBAR_TOUCH_0,
    kBAR_POS_1,
    kBAR_LVL_1,
    kBAR_TOUCH_1,
    kBAR_POS_2,
    kBAR_LVL_2,
    kBAR_TOUCH_2,
    kBAR_POS_3,
    kBAR_LVL_3,
    kBAR_TOUCH_3,
    kBAR_POS_4,
    kBAR_LVL_4,
    kBAR_TOUCH_4,
    kBAR_POS_5,
    kBAR_LVL_5,
    kBAR_TOUCH_5,
    kBAR_POS_6,
    kBAR_LVL_6,
    kBAR_TOUCH_6,
    kBAR_POS_7,
    kBAR_LVL_7,
    kBAR_TOUCH_7,
    kSQUARE_XPOS_0,
    kSQUARE_YPOS_0,
    kSQUARE_LVL_0,
    kSQUARE_TOUCH_0,
    kSQUARE_XPOS_1,
    kSQUARE_YPOS_1,
    kSQUARE_LVL_1,
    kSQUARE_TOUCH_1,
    kSQUARE_XPOS_2,
    kSQUARE_YPOS_2,
    kSQUARE_LVL_2,    
    kSQUARE_TOUCH_2,
    kSQUARE_XPOS_3,
    kSQUARE_YPOS_3,
    kSQUARE_LVL_3,
    kSQUARE_TOUCH_3,
    kSQUARE_XPOS_4,
    kSQUARE_YPOS_4,
    kSQUARE_LVL_4,    
    kSQUARE_TOUCH_4,
    kSQUARE_XPOS_5,
    kSQUARE_YPOS_5,
    kSQUARE_LVL_5,
    kSQUARE_TOUCH_5,
    kSQUARE_XPOS_6,
    kSQUARE_YPOS_6,
    kSQUARE_LVL_6,    
    kSQUARE_TOUCH_6,
    kSQUARE_XPOS_7,
    kSQUARE_YPOS_7,
    kSQUARE_LVL_7,
    kSQUARE_TOUCH_7,
    kCRAFT_0,
    kCRAFT_1,
    kCRAFT_2,
    kCRAFT_3,
    kCRAFT_4,
    kCRAFT_5,
    kCRAFT_6,
    kCRAFT_7,
    kRING_POS_0,
    kRING_LVL_0,
    kRING_TOUCH_0,
    kRING_POS_1,
    kRING_LVL_1,
    kRING_TOUCH_1,
    kRING_POS_2,
    kRING_LVL_2,
    kRING_TOUCH_2,
    kRING_POS_3,
    kRING_LVL_3,
    kRING_TOUCH_3,
    kRING_POS_4,
    kRING_LVL_4,
    kRING_TOUCH_4,
    kRING_POS_5,
    kRING_LVL_5,
    kRING_TOUCH_5,
    kRING_POS_6,
    kRING_LVL_6,
    kRING_TOUCH_6,
    kRING_POS_7,
    kRING_LVL_7,
    kRING_TOUCH_7,
    kHEX_XPOS_0,
    kHEX_YPOS_0,
    kHEX_LVL_0,
    kHEX_TOUCH_0,
    kHEX_XPOS_1,
    kHEX_YPOS_1,
    kHEX_LVL_1,
    kHEX_TOUCH_1,
    kHEX_XPOS_2,
    kHEX_YPOS_2,
    kHEX_LVL_2,
    kHEX_TOUCH_2,
    kHEX_XPOS_3,
    kHEX_YPOS_3,
    kHEX_LVL_3,
    kHEX_TOUCH_3,
    kHEX_XPOS_4,
    kHEX_YPOS_4,
    kHEX_LVL_4,
    kHEX_TOUCH_4,
    kHEX_XPOS_5,
    kHEX_YPOS_5,
    kHEX_LVL_5,
    kHEX_TOUCH_5,
    kHEX_XPOS_6,
    kHEX_YPOS_6,
    kHEX_LVL_6,
    kHEX_TOUCH_6,
    kHEX_XPOS_7,
    kHEX_YPOS_7,
    kHEX_LVL_7,
    kHEX_TOUCH_7,
    kNumInputPins
};

const char* const NoteStrings[] =
{
    "A",
    "A#",
    "B",
    "C",
    "C#",
    "D",
    "D#",
    "E",
    "F",
    "F#",
    "G",
    "G#"
};

/**
 * @brief parseBracketString, parse an arbitrary {} string {...} and store the result in s
 * @param p the string to parse, then the remaining string
 * @param quote the character used to quote the string
 * @param s the string found if any
 * @return true if a string was found at the begin of p
 */
static bool parseBracketString(const char*& p, string& s)
{
    string str;
    skipBlank(p);
    int level = 0;
    
    const char* saved = p;  // to restore position if we fail
    if (*p++ == '{') {
        level++;
        while (*p != 0) {
            if (*p == '{') level ++;
            else if (*p == '}') {
                if (level > 1) {
                    level--;
                } else {
                  *p++;
                   break;
                }
            }
            str += *p++;
        }
        if (level == 1) {
            s = "{" + str + "}";
            return true;
        }
    }
    p = saved;
    return false;
}

/**
 * @brief parseMenuItemStr, parse a menu item ...'low':{...}...
 * @param p the string to parse, then the remaining string
 * @param name the name found
 * @param value the value found as String
 * @return true if a nemu item was found
 */
static bool parseMenuItemStr(const char*& p, string& name, string& value)
{
    const char* saved = p;  // to restore position if we fail
    if (parseSQString(p, name) && parseChar(p, ':') && parseBracketString(p, value)) {
        return true;
    } else {
        p = saved;
        return false;
    }
}

/**
 * @brief parseMenuListMenu, parse a menu list { 'setting1' : { 'param1' : 40 ; 'param2' : 880.0 ...} ; 'setting2' : { 'param1' : 40 ; 'param2' : 880.0 ...}...}
 * @param p the string to parse, then the remaining string
 * @param names the vector of names found
 * @param values the vector of menus found
 * @return true if a menu list was found
 */
static bool parseMenuListMenu(const char*& p, vector<string>& names, vector<string>& values)
{
    vector<string> tmpnames;
    vector<string> tmpvalues;
    const char* saved = p; // to restore position if we fail

    if (parseChar(p, '{')) {
        do {
            string n;
            string v;
            if (parseMenuItemStr(p, n, v)) {
                tmpnames.push_back(n);
                tmpvalues.push_back(v);
            } else {
                p = saved;
                return false;
            }
        } while (parseChar(p, ';'));
        if (parseChar(p, '}')) {
            // we suceeded
            names = tmpnames;
            values = tmpvalues;
            return true;
        }
    }
    p = saved;
    return false;
}

/// ---------------------------------------------------------------------
// Parse list of double
/// ---------------------------------------------------------------------
static bool parseListDouble(const char*& p, vector<double>& items)
{
    const char* saved = p;  // to restore position if we fail    
    if (parseChar(p, '{')) {
        do {
            double item;
            if (!parseDouble(p, item)) {
                p = saved;
                return false;
            }
            items.push_back(item);
        } while (tryChar(p, ';'));
        return parseChar(p, '}');
    }
    return false;
}

class CheckBoxLogic
{
    protected:
        bool fOldState;
        bool fOut;
    
    public:
        CheckBoxLogic()
        :fOldState(false)
        ,fOut(false)
        {}
        
        bool getOutState(bool state)
        {
            if (!fOldState && state) {
                fOut = !fOut;
            }
            fOldState = state;
            return fOut;
        }
};

class UpDownKeyLogic
{
    protected:
        bool fOldStateUp;
        bool fOldStateDown;
        int fOut;
    
    public:
        UpDownKeyLogic()
        :fOldStateUp(false)
        ,fOldStateDown(false)
        ,fOut(0)
        {}
        
        int getOutState(bool stateUp, bool stateDown)
        {
            if ((!fOldStateUp && stateUp)) {
                fOut = 1;
            } else if ((!fOldStateDown && stateDown)) {
                fOut = -1;
            } else {
                fOut = 0;
            }
            fOldStateUp = stateUp;
            fOldStateDown = stateDown;
            return fOut;
        }
};

static dsp* gDSP = NULL;

/**************************************************************************************
 BelaWidget : object used by BelaUI to ensures the connection between a Bela parameter
 and a Faust widget
 ***************************************************************************************/

class BelaWidget
{
    protected:
        
        EInOutPin fBelaPin;
        FAUSTFLOAT* fZone;  // zone
        const char* fLabel;  // label
        FAUSTFLOAT fMin;    // minimal value
        FAUSTFLOAT fRange;  // value range (max-min)
        FAUSTFLOAT fStep;   // precision of the value
        
    public:
        
        BelaWidget()
        :fBelaPin(kNoPin)
        ,fZone(0)
        ,fLabel("")
        ,fMin(0)
        ,fRange(1)
        ,fStep(0)
        {}
        
        BelaWidget(const BelaWidget& w)
        :fBelaPin(w.fBelaPin)
        ,fZone(w.fZone)
        ,fLabel(w.fLabel)
        ,fMin(w.fMin)
        ,fRange(w.fRange)
        ,fStep(0)
        {}
        
        BelaWidget(EInOutPin pin, FAUSTFLOAT* z, const char* l, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step)
        :fBelaPin(pin)
        ,fZone(z)
        ,fLabel(l)
        ,fMin(lo)
        ,fRange(hi-lo)
        ,fStep(step)
        {}
        
        virtual ~BelaWidget() {}
        
        virtual bool setParameters(const char* parameters)
        { 
            return false; 
        }
        
        virtual void update(BelaContext* context)
        {
            switch(fBelaPin) {
                case kANALOG_0:
                case kANALOG_1:
                case kANALOG_2:
                case kANALOG_3:
                case kANALOG_4:
                case kANALOG_5:
                case kANALOG_6:
                case kANALOG_7:
                    *fZone = fMin + fRange * analogReadNI(context, 0, (int)fBelaPin);
                    break;
                    
                case kDIGITAL_0:
                case kDIGITAL_1:
                case kDIGITAL_2:
                case kDIGITAL_3:
                case kDIGITAL_4:
                case kDIGITAL_5:
                case kDIGITAL_6:
                case kDIGITAL_7:
                case kDIGITAL_8:
                case kDIGITAL_9:
                case kDIGITAL_10:
                case kDIGITAL_11:
                case kDIGITAL_12:
                case kDIGITAL_13:
                case kDIGITAL_14:
                case kDIGITAL_15:
                    *fZone = digitalRead(context, 0, ((int)fBelaPin - kDIGITAL_0)) == 0 ? fMin : fMin+fRange;
                    break;
                    
                case kANALOG_OUT_0:
                case kANALOG_OUT_1:
                case kANALOG_OUT_2:
                case kANALOG_OUT_3:
                case kANALOG_OUT_4:
                case kANALOG_OUT_5:
                case kANALOG_OUT_6:
                case kANALOG_OUT_7:
                    analogWriteNI(context, 0, ((int)fBelaPin) - kANALOG_OUT_0, (*fZone - fMin)/(fRange+fMin));
                    break;
                    
                default:
                    break;
            };
        }
        
        virtual EInOutPin getBelaPin()
        {
            return  fBelaPin;
        }        
            
};

class BelaWidgetCheckBox : public BelaWidget
{
    protected:
        CheckBoxLogic fChkBoxSystem;
    
    public:
        
        BelaWidgetCheckBox():BelaWidget() {}
        
        BelaWidgetCheckBox(const BelaWidgetCheckBox& w):BelaWidget((BelaWidget) w) {}
        
        BelaWidgetCheckBox(EInOutPin pin, FAUSTFLOAT* z, const char* l, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step) 
        {
            fBelaPin = pin;
            fZone = z;      // zone
            fLabel = l;     // label
            fMin = lo;      // minimal value
            fRange = hi - lo; 
            fStep = step;
        }
        
        virtual ~BelaWidgetCheckBox() {}
        
        virtual void update(BelaContext* context)
        {
            switch(fBelaPin) {
                case kDIGITAL_0:
                case kDIGITAL_1:
                case kDIGITAL_2:
                case kDIGITAL_3:
                case kDIGITAL_4:
                case kDIGITAL_5:
                case kDIGITAL_6:
                case kDIGITAL_7:
                case kDIGITAL_8:
                case kDIGITAL_9:
                case kDIGITAL_10:
                case kDIGITAL_11:
                case kDIGITAL_12:
                case kDIGITAL_13:
                case kDIGITAL_14:
                case kDIGITAL_15:
                    bool value = (bool) digitalRead(context, 0, ((int)fBelaPin - kDIGITAL_0));
                    *fZone = fMin+fRange * ((double)fChkBoxSystem.getOutState(value));
                    break;
            };
        }
};

/**************************************************************************************
 TrillWidget : object used by BelaUI to ensures the connection between a Trill sensors values
 and a Faust widget.
 ***************************************************************************************/

class TrillWidget : public BelaWidget
{
    protected:
       
        Trill*          fSensor;
        Trill::Device   fType;
        FAUSTFLOAT      fDefaultValue;
        bool            fBuffered;
      
    public:
     
        TrillWidget():BelaWidget()
        {
            fSensor = NULL;
            fType = Trill::NONE;
            fDefaultValue = 0;
            fBuffered = false;
        }

        TrillWidget(const TrillWidget& w):BelaWidget((BelaWidget)w)
        {
            fSensor = NULL;
            fType = Trill::NONE;
            fDefaultValue = w.fDefaultValue;
            fBuffered = w.fBuffered;
        }

        TrillWidget(EInOutPin pin, FAUSTFLOAT* z, const char* l, FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step)
        {
            fBelaPin = pin;
            fZone = z;      // zone
            fLabel = l;     // label
            fMin = lo;      // minimal value
            fRange = hi - lo;
            fStep = step;
            fSensor = NULL;
            fDefaultValue = init;
            *fZone = fDefaultValue;
            if (strstr(pinNamesStrings[fBelaPin], "BAR")) {
                fType = Trill::BAR;
            } else if (strstr(pinNamesStrings[fBelaPin], "SQUARE")) {
                fType = Trill::SQUARE;
            } else if (strstr(pinNamesStrings[fBelaPin], "HEX")) {
                fType = Trill::HEX;
            } else {
                fType = Trill::NONE;
            }
            fBuffered = false;
        }
        
        virtual ~TrillWidget() {}
        
        virtual void setSensor(Trill* nSensor)
        {
            if (nSensor) fSensor = nSensor;
        }
        
        /* set the parameters defined in the declare directive or in the widget's metadata */
        virtual bool setParameters(const char* parameters)
        {
            const char* saved = parameters; // to restore position if we fail
            bool result = false;
            if (parseWord(parameters, "BUFFERED")) {
                    fBuffered = true;
                    result = true;
            }
            else if (parseChar(parameters, '{')) {
                do {
                    string n;
                    string v;
                    double vd;
                    if (parseMenuItemStr(parameters, n, v)) {
                        setParameter(n, v);
                        result = true;
                    } else if (parseMenuItem(parameters, n, vd)) {
                        setParameter(n, vd);
                        result = true;
                    }
                    else {
                        parameters = saved;
                        return result;
                    }
                } while (parseChar(parameters, ';'));
                if (parseChar(parameters, '}')) {
                    // we suceeded
                    return result;
                }
            }
            parameters = saved;
            return result;               
        }
        
        virtual void setParameter(const string& name, double value) { }
        
        virtual void setParameter(const string& name, const string& value) { }

        virtual void update(BelaContext* context)
        {
            if (!fSensor)
                return;
            float val = 0.f;
            switch (fBelaPin) {
                case kBAR_POS_0:
                case kBAR_POS_1:
                case kBAR_POS_2:
                case kBAR_POS_3:
                case kBAR_POS_4:
                case kBAR_POS_5:
                case kBAR_POS_6:
                case kBAR_POS_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchLocation();
                        *fZone = fMin + fRange * val;
                    } else if (!fBuffered) {
                        *fZone = fDefaultValue;
                    }
                    break;
                
                case kBAR_LVL_0:
                case kBAR_LVL_1:
                case kBAR_LVL_2:
                case kBAR_LVL_3:
                case kBAR_LVL_4:
                case kBAR_LVL_5:
                case kBAR_LVL_6:
                case kBAR_LVL_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchSize();
                        *fZone = fMin + fRange * val;
                    } else if (!fBuffered) {
                        *fZone = fDefaultValue;
                    }
                    break;
                    
                case kBAR_TOUCH_0:
                case kBAR_TOUCH_1:
                case kBAR_TOUCH_2:
                case kBAR_TOUCH_3:
                case kBAR_TOUCH_4:
                case kBAR_TOUCH_5:
                case kBAR_TOUCH_6:
                case kBAR_TOUCH_7:
                    val = fSensor->getNumTouches();
                    *fZone = min(fRange,val);
                    break;
                    
                case kSQUARE_XPOS_0:
                case kSQUARE_XPOS_1:
                case kSQUARE_XPOS_2:
                case kSQUARE_XPOS_3:
                case kSQUARE_XPOS_4:
                case kSQUARE_XPOS_5:
                case kSQUARE_XPOS_6:
                case kSQUARE_XPOS_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchHorizontalLocation();
                        *fZone = fMin + fRange * val;
                    } else if (!fBuffered) {
                        *fZone = fDefaultValue;
                    }
                    break;
                
                case kSQUARE_YPOS_0:
                case kSQUARE_YPOS_1:
                case kSQUARE_YPOS_2:
                case kSQUARE_YPOS_3:
                case kSQUARE_YPOS_4:
                case kSQUARE_YPOS_5:
                case kSQUARE_YPOS_6:
                case kSQUARE_YPOS_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchLocation();
                        *fZone = fMin + fRange * val;
                    } else if (!fBuffered) {
                        *fZone = fDefaultValue;
                    }
                    break;
                
                case kSQUARE_LVL_0:
                case kSQUARE_LVL_1:
                case kSQUARE_LVL_2:
                case kSQUARE_LVL_3:
                case kSQUARE_LVL_4:
                case kSQUARE_LVL_5:
                case kSQUARE_LVL_6:
                case kSQUARE_LVL_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchSize();
                        *fZone = fMin + fRange * val;
                    } else if (!fBuffered) {
                        *fZone = fDefaultValue;
                    }
                    break;
                
                case kSQUARE_TOUCH_0:
                case kSQUARE_TOUCH_1:
                case kSQUARE_TOUCH_2:
                case kSQUARE_TOUCH_3:
                case kSQUARE_TOUCH_4:
                case kSQUARE_TOUCH_5:
                case kSQUARE_TOUCH_6:
                case kSQUARE_TOUCH_7:
                     val = fSensor->getNumTouches();
                    *fZone = min(fRange,val);
                    break;
               
                case kRING_LVL_0:
                case kRING_LVL_1:
                case kRING_LVL_2:
                case kRING_LVL_3:
                case kRING_LVL_4:
                case kRING_LVL_5:
                case kRING_LVL_6:
                case kRING_LVL_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchSize();
                        *fZone = fMin + fRange * val;
                    } else if (!fBuffered) {
                        *fZone = fDefaultValue;
                    }
                    break;
                    
                case kRING_TOUCH_0:
                case kRING_TOUCH_1:
                case kRING_TOUCH_2:
                case kRING_TOUCH_3:
                case kRING_TOUCH_4:
                case kRING_TOUCH_5:
                case kRING_TOUCH_6:
                case kRING_TOUCH_7:
                    val = fSensor->getNumTouches();
                    *fZone = min(fRange,val);
                    break;   

                case kHEX_XPOS_0:
                case kHEX_XPOS_1:
                case kHEX_XPOS_2:
                case kHEX_XPOS_3:
                case kHEX_XPOS_4:
                case kHEX_XPOS_5:
                case kHEX_XPOS_6:
                case kHEX_XPOS_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchHorizontalLocation();
                        *fZone = fMin + fRange * val;
                    } else if (!fBuffered) {
                        *fZone = fDefaultValue;
                    }
                    break;
                
                case kHEX_YPOS_0:
                case kHEX_YPOS_1:
                case kHEX_YPOS_2:
                case kHEX_YPOS_3:
                case kHEX_YPOS_4:
                case kHEX_YPOS_5:
                case kHEX_YPOS_6:
                case kHEX_YPOS_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchLocation();
                        *fZone = fMin + fRange * val;
                    } else if (!fBuffered) {
                        *fZone = fDefaultValue;
                    }
                    break;
                
                case kHEX_LVL_0:
                case kHEX_LVL_1:
                case kHEX_LVL_2:
                case kHEX_LVL_3:
                case kHEX_LVL_4:
                case kHEX_LVL_5:
                case kHEX_LVL_6:
                case kHEX_LVL_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchSize();
                        *fZone = fMin + fRange * val;
                    } else if (!fBuffered) {
                        *fZone = fDefaultValue;
                    }
                    break;
                    
                case kHEX_TOUCH_0:
                case kHEX_TOUCH_1:
                case kHEX_TOUCH_2:
                case kHEX_TOUCH_3:
                case kHEX_TOUCH_4:
                case kHEX_TOUCH_5:
                case kHEX_TOUCH_6:
                case kHEX_TOUCH_7:
                    val = fSensor->getNumTouches();
                    *fZone = min(fRange,val);
                    break;
                    
                default:
                    break;
            };
        }
        
        Trill::Device getType() { return fType; }
        
        Trill* getSensor() { return fSensor; }
};

/**************************************************************************************
 TrillCraftWidget : object used by BelaUI to ensures the connection between a Trill Craft sensors values
 and a Faust widget.
 ***************************************************************************************/

typedef struct {
    int note;
    double state;
} TrillNote;

class TrillCraftWidget : public TrillWidget
{
     protected:
    
        int fLopin;
        int fHipin;
        string fMode;
        int fPrescaler;
        double fThreshold;
        
        vector<TrillNote*> fKeyboard;                    // list of keys in the trillkeyboard (polyphony mode)
        int fStartNote;
        vector<int> fScale;                              // in semitone

        int noteToMidiNumber(const string& note, int octave)    // return the midi number of the note at the octave defined
        {
            if (octave >= 0) {
               int deltaoct = octave*12;
               int deltanote = 0;
               for (int i = 0; i < 12 ; i++) {
                   if (strcasecmp(note.c_str(),NoteStrings[i]) == 0) {
                       deltanote = i;
                   }
               }
               return deltaoct+deltanote+21;
            } else {
                return 69;
            }
        }

     public:   
        
        TrillCraftWidget():TrillWidget()
        {
            fSensor = NULL;
            fType = Trill::CRAFT;
            fLopin = -1;
            fHipin = -1;
            fMode = "PIN";
            fPrescaler = 2;
            fThreshold = 0.10;
            fStartNote = 0;
            fScale.push_back(1);     // default chromatic scale
            fDefaultValue = 0;
        }

        TrillCraftWidget(const TrillCraftWidget& w):TrillWidget((TrillWidget)w)
        {
            fSensor = NULL;
            fType = Trill::CRAFT;
            fLopin = -1;
            fHipin = -1;
            fMode = "PIN";
            fPrescaler = 2;
            fThreshold = 0.10;
            fStartNote = 0;
            fScale.push_back(1);     // default chromatic scale
            fDefaultValue = 0;
        }

        TrillCraftWidget(EInOutPin pin, FAUSTFLOAT* z, const char* l, FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step)
        {
            fBelaPin = pin;
            fZone = z;  // zone
            fLabel = l; // label
            fMin = lo;  // minimal value
            fRange = hi - lo;
            fStep = step;
            fSensor = NULL;
            fType = Trill::CRAFT;
            fLopin = -1;
            fHipin = -1;
            fMode = "PIN";
            fPrescaler = 2;
            fThreshold = 0.10;
            fStartNote = 0;
            fScale.push_back(1);     //default chromatic scale
            fDefaultValue = init;
        }
        
        virtual ~TrillCraftWidget() 
        {
            for (auto t : fKeyboard) {
                delete t;
            }
        }
        
        virtual void setSensor(Trill* nSensor)
        {
            TrillWidget::setSensor(nSensor);   
            if (fSensor) {
                fSensor->setPrescaler(fPrescaler);
                fSensor->setNoiseThreshold(fThreshold);
            }
        }
        
        virtual bool setParameters(const char* parameters)
        {
            if (parameters && !TrillWidget::setParameters(parameters)) {
                if (parseWord(parameters, "PIN")) {
                    fMode = "PIN";
                } else if (parseWord(parameters, "UP")) {
                    fMode = "UP";
                } else if (parseWord(parameters, "DOWN")) {
                    fMode = "DOWN";
                } else if (parseWord(parameters, "SLIDER")) {
                    fMode = "SLIDER";
                }
                double tmpval = 0.;
                if (parameters && parseDouble(parameters, tmpval)) {
                    fLopin = (int)tmpval;
                } else {
                    fLopin = -1;
                }
                if (parameters && parseChar(parameters, '-') && parseDouble(parameters, tmpval)) {
                    fHipin = (int)tmpval;
                } else {
                    fHipin = -1;
                }
            }
            return true;
        }
            
        virtual void setParameter(const string& name, const double value)
        {
            TrillWidget::setParameter(name,value);
            if (name == "fPrescaler") fPrescaler = (int)value;
            else if (name == "fThreshold") fThreshold = (int)value;
            else if (name == "start_pin") fLopin = (int)value;
            else if (name == "end_pin") fHipin = (int)value;
        }

        virtual void setParameter(const string& name, const string& value)
        {
            const char* tmpval = value.c_str();
            if (name == "start_note") {
                vector<string> names;
                vector<double> values;
                if (parseMenuList(tmpval,names,values) && names.size() > 0) {
                    fStartNote = noteToMidiNumber(names[0],(int) values[0]);
                }
            } else if (name == "scale") {
                vector<double> values;
                if (parseListDouble(tmpval,values) && values.size() > 0) {
                   fScale.clear();
                   for (int i = 0 ; i<values.size() ; i++) {
                      fScale.push_back( (int) (values[i]*2));
                   }                       
                }
            }         
        }                  
        
        virtual void update(BelaContext* context)
        {
            if (fSensor && fLopin >= 0) {
                float val = -1.f;
                if (fMode == "PIN") {
                    *fZone = fMin + fRange * fSensor->rawData[fLopin];
                }
                else if (fMode == "UP") {
                    float sval = 0.f;
                    for (int i = fHipin; i >= fLopin; i--) {
                        sval = fSensor->rawData[i];
                        if (sval > 0.f)
                        {    
                            val = i-fLopin;
                            break;
                        }
                    }            
                    *fZone = val;
                }
                else if (fMode == "DOWN") {
                    float sval = 0.f;
                    for (int i = fLopin; i <= fHipin; i++) {
                        sval = fSensor->rawData[i];
                        if (sval > 0.f)
                        {
                            val = i-fLopin;
                            break;
                        }
                    }
                    *fZone = val;
                } else if (fMode == "KEYBOARD") {
                    mydsp_poly* TmpDsp = (mydsp_poly*) gDSP;
                    for (int i = fLopin ; i <= fHipin ; i++) {                    //Call all keyOff
                        TrillNote* CurKey = fKeyboard[i-fLopin];
                        double sval = fSensor->rawData[i];
                        if (sval == 0 && CurKey->state > 0) {
                            TmpDsp->keyOff(0,CurKey->note);
                            CurKey->state=0;
                        }
                    }
                    for (int i = fLopin ; i <= fHipin ; i++) {                    //Call all keyOn
                        TrillNote* CurKey = fKeyboard[i-fLopin];
                        double sval = fSensor->rawData[i];
                        if (sval > 0 && CurKey->state == 0) {
                            TmpDsp->keyOn(0,CurKey->note, (int) (sval*127));
                            CurKey->state=sval;
                        }
                    }                    
                }
            }
        }
        
        void setMode(const string& mo) 
        { 
            fMode = mo;
            if (fMode == "KEYBOARD" && fLopin >= 0 && fHipin >= fLopin && fStartNote > 0) {   // create the array of trill keyboard
                double curnote = fStartNote;
                int scalecounter = 0;
                for (int i = fLopin ; i <= fHipin ; i++) {
                    TrillNote* newkey = new TrillNote;
                    newkey->note = curnote;
                    newkey->state = 0;
                    fKeyboard.push_back(newkey);
                    if (scalecounter >= fScale.size()) {
                        scalecounter = 0;
                    }
                    curnote = curnote + fScale[scalecounter];
                    scalecounter++;
                }
            }
        }
        
        void setLopin(int pin) { fLopin = pin; }
        
        void setHipin(int pin) { fHipin = pin; }
};

class TrillCraftWidgetCheckBox : public TrillCraftWidget
{
    protected:
        CheckBoxLogic fChkBoxSystem;
    
    public:
        
        TrillCraftWidgetCheckBox(): TrillCraftWidget() {}
        
        TrillCraftWidgetCheckBox(const TrillCraftWidgetCheckBox& w): TrillCraftWidget((TrillCraftWidget) w) {}
        
        TrillCraftWidgetCheckBox(EInOutPin pin, FAUSTFLOAT* z, const char* l, FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step): TrillCraftWidget(pin, z, l, init, lo, hi, step) {}
        
        virtual ~TrillCraftWidgetCheckBox() {}
        
        virtual void update(BelaContext* context)
        {
            if (fSensor && fLopin >= 0 && fMode == "PIN")
            {
                double value = fSensor->rawData[fLopin];
                bool value_state = fChkBoxSystem.getOutState((bool) value);
                *fZone = fMin + fRange * value_state;
            }
        }
};

class TrillCraftWidgetSlider : public TrillCraftWidget
{
    protected:
        UpDownKeyLogic fSliderSystem;
    
    public:
        
        TrillCraftWidgetSlider(): TrillCraftWidget() {}
        
        TrillCraftWidgetSlider(const TrillCraftWidgetSlider& w): TrillCraftWidget((TrillCraftWidget) w) {}
        
        TrillCraftWidgetSlider(EInOutPin pin, FAUSTFLOAT* z, const char* l,FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step ): TrillCraftWidget(pin, z, l, init, lo, hi, step) {
           *fZone = init; 
        }
        
        virtual ~TrillCraftWidgetSlider() {}
        
        virtual void update(BelaContext* context)
        {
            if (fSensor && fLopin >= 0 && fMode == "SLIDER") {
                double downKey = fSensor->rawData[fLopin];
                double upKey = fSensor->rawData[fHipin];
                double value_state = (double) fSliderSystem.getOutState(downKey, upKey);
                double tmpval = *fZone + fStep * value_state;
                if (tmpval >= fMin && tmpval <= (fRange+fMin)) {
                    *fZone=tmpval;
                }
            }
        }
};

class TrillRingPosWidget : public TrillWidget
{
    protected:
        int   fTurnLimit;
        int   fTurnNumber;
        bool  fMultiTurn;
        float fTurnDetectZone;
        
        int ChangeTurnDetect(float oldpos, float newpos)
        {
            if (oldpos <= (fTurnDetectZone/2) && newpos >= (1 - fTurnDetectZone/2)) {
                return -1;
            } else if (oldpos >= (1 - fTurnDetectZone/2) && newpos <= (fTurnDetectZone/2)) {
                return 1;
            }    
            return 0;
        }
        
    public:
        TrillRingPosWidget(): TrillWidget()
        {
            fTurnLimit = 1;
            fTurnNumber = 0;
            fMultiTurn = false;
            fTurnDetectZone = 0.2f;
            fType = Trill::RING;
        }
        
        TrillRingPosWidget(const TrillRingPosWidget& w): TrillWidget((TrillWidget) w)
        {
            fTurnLimit = w.fTurnLimit;
            fTurnNumber = w.fTurnNumber;
            fMultiTurn = w.fMultiTurn;
            fTurnDetectZone = w.fTurnDetectZone;
            fType = Trill::RING;
        }
        
        TrillRingPosWidget(EInOutPin pin, FAUSTFLOAT* z, const char* l,FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step, float turndetectsensitivity = 0.2f ): TrillWidget(pin, z, l, init, lo, hi, step)
        {
           fTurnLimit = 1;
           fTurnNumber = 0;
           fMultiTurn = false;
           fTurnDetectZone = turndetectsensitivity;
           fType = Trill::RING;
        }
        
        virtual ~TrillRingPosWidget() {}
        
        virtual bool setParameters(const char* parameters)
        {
            if (parameters && !TrillWidget::setParameters(parameters)) {
                if (parseWord(parameters, "MULTITURN")) {
                    fMultiTurn = true;
                }
                double tmpval = 0.f;
                if (parameters && parseDouble(parameters, tmpval) && fMultiTurn) {
                    fTurnLimit = (int)tmpval;
                } else {
                    fTurnLimit = 1;
                }               
            }
            if (fMultiTurn && fTurnLimit > 1 && fDefaultValue != fMin) // if multiturn mode, calculate the current turn
            {
                float turnrange = fRange / fTurnLimit;
                fTurnNumber = floor((fDefaultValue - fMin) / turnrange);
            }
            return true;
        }
        
        virtual void update(BelaContext* context)
        {
            if (!fSensor)
                return;            
            float val = 0.f;
            switch (fBelaPin) {
                case kRING_POS_0:
                case kRING_POS_1:
                case kRING_POS_2:
                case kRING_POS_3:
                case kRING_POS_4:
                case kRING_POS_5:
                case kRING_POS_6:
                case kRING_POS_7:
                    if (fSensor->getNumTouches() > 0) {
                        val = fSensor->compoundTouchLocation();
                        if (fMultiTurn) {
                            float turnrange = fRange / fTurnLimit;                                              
                            float oldfZone = *fZone;
                            float oldsensorPos = (oldfZone - fMin - turnrange * fTurnNumber) / turnrange;
                            int turnincrement = ChangeTurnDetect(oldsensorPos, val);
                            float newval = fMin + turnrange * val + turnrange * (fTurnNumber+turnincrement);
                            if (newval > (fMin + fRange)) {
                                *fZone = fMin + fRange;
                            } else if (newval < fMin) {
                                *fZone = fMin;
                            } else {
                                *fZone = newval;                                
                            }
                            fTurnNumber += turnincrement;
                            
                        } else {
                            *fZone = fMin + fRange * val;
                        } 
                    }
                    else if (!fMultiTurn) {
                        *fZone = fDefaultValue;
                    }
                    break;
                default:
                    break;
            };
        }
                

};

/**************************************************************************************
 
 BelaUI : Faust User Interface builder. Passed to buildUserInterface BelaUI allows
 the mapping between BELA pins and Faust widgets. It relies on specific
 metadata "...[BELA:DIGITAL_0]..." in the widget's label for that. For example any
 Faust widget with metadata [BELA:DIGITAL_0] will be controlled by DIGITAL_0
 (the second knob).
 
 ***************************************************************************************/

// The maximum number of mappings between Bela parameters and Faust widgets
// To be modified: We can have 8 inputs, 8 outputs, and 16 digital In or Out.
#define MAXBELAWIDGETS 16

// Max number of trill sensors parameters mapped.

// max of 8 BAR sensors with 3 parameters (Position,Pressure,Touch), 8 SQUARE sensors with 4 parameters
// (Position X, Position Y, Pressure, Touch), 8 CRAFT sensors with 1 parameter
#define MAXTRILLWIDGETS 64

class BelaUI : public GenericUI, public Meta
{
    
    private:
        
        int fIndex;                                 // number of BelaWidgets collected so far
        EInOutPin fBelaPin;                         // current pin id
        BelaWidget fTable[MAXBELAWIDGETS];          // list of BelaWidgets
        
        EInOutPin fTrillPin;                        // current trill pin id
        vector<TrillWidget*> fTrillTable;           // list of TrillWidget
        const char* fTrillParams;
        
        vector<Trill*> fTouchSensors;               // list of Trill sensors

        // Check if the widget is linked to a Bela parameter and, if so, add the corresponding BelaWidget
        void addBelaWidget(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step)
        {
            if (fBelaPin != kNoPin && (fIndex < MAXBELAWIDGETS)) {
                fTable[fIndex] = BelaWidget(fBelaPin, zone, label, lo, hi, step);
                fIndex++;
            }
            fBelaPin = kNoPin;
        }
        void addBelaWidgetCheckBox(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT lo, FAUSTFLOAT hi)
        {
            if (fBelaPin != kNoPin && (fIndex < MAXBELAWIDGETS)) {
                fTable[fIndex] = BelaWidgetCheckBox(fBelaPin, zone, label, lo, hi, 0);
                fIndex++;
            }
            fBelaPin = kNoPin;
        }
        
        void addTrillWidget(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step)
        {
            if (fTrillPin != kNoPin) {
            
                if (strstr(pinNamesStrings[fTrillPin], "CRAFT"))
                {
                    TrillCraftWidget* newcraft = new TrillCraftWidget(fTrillPin, zone, label, init, lo, hi, step);
                    newcraft->setParameters(fTrillParams);
                    fTrillTable.push_back(newcraft);
                }
                else if (strstr(pinNamesStrings[fTrillPin], "RING_POS"))
                {
                    TrillRingPosWidget* newringpos = new TrillRingPosWidget(fTrillPin, zone, label, init, lo, hi, step);
                    newringpos->setParameters(fTrillParams);
                    fTrillTable.push_back(newringpos);
                }
                else
                {
                    TrillWidget* newtrill = new TrillWidget(fTrillPin, zone, label, init, lo, hi, step);
                    newtrill->setParameters(fTrillParams);
                    fTrillTable.push_back(newtrill);
                }
                
            }
            fTrillPin = kNoPin;
            fTrillParams = NULL;
        }
        
        void addTrillWidgetCheckBox(const char* label, FAUSTFLOAT* zone,  FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi)
        {
            if (fTrillPin != kNoPin) {
            
                if (strstr(pinNamesStrings[fTrillPin], "CRAFT"))
                {
                    TrillCraftWidgetCheckBox* newcraft = new TrillCraftWidgetCheckBox(fTrillPin, zone, label, init, lo, hi, 0);
                    newcraft->setParameters(fTrillParams);
                    fTrillTable.push_back(newcraft);
                }                
            }
            fTrillPin = kNoPin;
            fTrillParams = NULL;
        }
        
        void addTrillWidgetSlider(const char* label, FAUSTFLOAT* zone,  FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step)
        {
            if (fTrillPin != kNoPin) {
            
                TrillCraftWidget* newcraft;
                if (strstr(pinNamesStrings[fTrillPin], "CRAFT"))
                {
                    if (strstr(fTrillParams, "SLIDER")) {
                        TrillCraftWidgetSlider* newcraftslider = new TrillCraftWidgetSlider(fTrillPin, zone, label, init, lo, hi, step);
                        newcraft = (TrillCraftWidget*) newcraftslider;
                    } else {
                        TrillCraftWidget* newcraftsensor = new TrillCraftWidget(fTrillPin, zone, label, init, lo, hi, step);
                        newcraft = newcraftsensor;
                    }
                    newcraft->setParameters(fTrillParams);
                    fTrillTable.push_back(newcraft);
                }
                else if (strstr(pinNamesStrings[fTrillPin], "RING_POS"))
                {
                    TrillRingPosWidget* newringpos = new TrillRingPosWidget(fTrillPin, zone, label, init, lo, hi, step);
                    newringpos->setParameters(fTrillParams);
                    fTrillTable.push_back(newringpos);
                }
                else
                {
                    TrillWidget* newtrill = new TrillWidget(fTrillPin, zone, label, init, lo, hi, step);
                    newtrill->setParameters(fTrillParams);
                    fTrillTable.push_back(newtrill);
                }
                
            }
            fTrillPin = kNoPin;
            fTrillParams = NULL;
        }
        
        TrillWidget* findTrillbyid(int id)
        {
            for (int i = 0; i < fTrillTable.size(); i++) {
                if (fTrillTable[i]->getBelaPin() == id)
                    return fTrillTable[i];
            }
            return NULL;
        }
        
    public:
        
        BelaUI()
        : fIndex(0)
        , fBelaPin(kNoPin)
        , fTrillPin(kNoPin)
        , fTrillParams(NULL)
        {}
        
        virtual ~BelaUI()
        {
            for (auto t : fTrillTable) {
                delete t;
            }
            for (auto t : fTouchSensors) {
                delete t;
            }
        }
        
        // Should be called before compute() to update widget's zones registered as Bela parameters
        void update(BelaContext* context)
        {
            for (int i = 0; i < fIndex; i++) {
                fTable[i].update(context);
            }
            for (size_t i = 0; i < fTrillTable.size(); i++) {
                fTrillTable[i]->update(context);
            }
        }
        
        // Should be called in auxiliary loop to read de sensor's values
        void updateSensors()
        {
            for (size_t n = 0; n < fTouchSensors.size(); ++n) {
                Trill* t = fTouchSensors[n];
                t->readI2C();
            }  
        }
        
        // -- active widgets
        virtual void addButton(const char* label, FAUSTFLOAT* zone)
        {
            if (fBelaPin != kNoPin)
                addBelaWidget(label, zone, FAUSTFLOAT(0), FAUSTFLOAT(1),0); 
            else
                addTrillWidget(label, zone, 0, FAUSTFLOAT(0), FAUSTFLOAT(1),0); 
        }
        
        virtual void addCheckButton(const char* label, FAUSTFLOAT* zone)
        {
            if (fBelaPin != kNoPin)
                addBelaWidgetCheckBox(label, zone, FAUSTFLOAT(0), FAUSTFLOAT(1)); 
            else
                addTrillWidgetCheckBox(label, zone, 0, FAUSTFLOAT(0), FAUSTFLOAT(1));  
        }
        
        virtual void addVerticalSlider(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step)
        {
            if (fBelaPin != kNoPin)
                addBelaWidget(label, zone, lo, hi, step); 
            else
                addTrillWidgetSlider(label, zone, init, lo, hi, step); 
        }
        
        virtual void addHorizontalSlider(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step)
        {
            if (fBelaPin != kNoPin)
                addBelaWidget(label, zone, lo, hi, step); 
            else
                addTrillWidgetSlider(label, zone, init, lo, hi, step); 
        }
        
        virtual void addNumEntry(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT lo, FAUSTFLOAT hi, FAUSTFLOAT step)
        {
            if (fBelaPin != kNoPin)
                addBelaWidget(label, zone, lo, hi, step); 
            else
                addTrillWidget(label, zone, init, lo, hi, step); 
        }
        
        // -- passive widgets
        virtual void addHorizontalBargraph(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT lo, FAUSTFLOAT hi)
        { addBelaWidget(label, zone, lo, hi, 0); }
        virtual void addVerticalBargraph(const char* label, FAUSTFLOAT* zone, FAUSTFLOAT lo, FAUSTFLOAT hi)
        { addBelaWidget(label, zone, lo, hi, 0); }
        
        // -- metadata declarations
        virtual void declare(FAUSTFLOAT* z, const char* k, const char* id)
        {
            if (strcasecmp(k, "BELA") == 0) {
                for (int i = 0; i < kNumInputPins; i++) {
                    if (strcasecmp(id, pinNamesStrings[i]) == 0) {
                        fBelaPin = (EInOutPin)i;
                    }
                }
            }
            else if (strcasecmp(k, "TRILL") == 0) {
                for (int i = 0; i < kNumInputPins; i++) {
                    if (strstr(id, pinNamesStrings[i])) {
                        fTrillPin = (EInOutPin)i;
                        const char* tmp = id;
                        if (parseWord(tmp, pinNamesStrings[i])) {
                            fTrillParams = tmp;
                        }
                    }
                }
            }
        }
        
        virtual void declare(const char* k, const char* id)     // assumes that ui metadata are already parsed
        {		
            if (strcasecmp(k, "trill_settings") == 0) {
                vector<string> names;
                vector<string> values;
                if (parseMenuListMenu(id, names, values)) {
                    for (int i = 0; i < names.size(); i++) {
                        for (int j = 0; j < kNumInputPins; j++) {
                            if (strcasecmp(names[i].c_str(),pinNamesStrings[j] ) == 0) {
                                TrillWidget* curwidget = findTrillbyid(j);      // find the right widget
                                if (curwidget) {
                                    curwidget->setParameters(values[i].c_str()); 
                                }
                            }
                        }
                    }
                }
            } else if (strcasecmp(k, "trill_mappings") == 0) {
                vector<string> names;
                vector<string> values;
                if (parseMenuListMenu(id, names, values)) {
                   for (int i = 0; i<names.size();i++) {
                       if (names[i] == "BAR") {
                           initSensorWidgets(Trill::BAR, values[i]);
                       } else if (names[i] == "SQUARE") {
                           initSensorWidgets(Trill::SQUARE, values[i]);
                       } else if (names[i] == "CRAFT") {
                           initSensorWidgets(Trill::CRAFT, values[i]);
                       } else if (names[i] == "RING") {
                           initSensorWidgets(Trill::RING, values[i]);
                       } else if (names[i] == "HEX") {
                           initSensorWidgets(Trill::HEX, values[i]);
                       }
                   }                       
                }
#ifdef NVOICES    
            } else if (strcasecmp(k, "trill_keyboard") == 0) {
                vector<string> names;
                vector<string> values;
                if (parseMenuListMenu(id, names, values)) {
                    for (int i = 0; i<names.size(); i++) {
                        EInOutPin found_pin = kNoPin;
                        for (int j = 0; j < kNumInputPins; j++) {
                            if (strstr(names[i].c_str(), pinNamesStrings[j])) {
                                found_pin = (EInOutPin)j;
                                break;
                            }
                        }
                        if (found_pin != kNoPin) {
                            TrillCraftWidget* newcraft = new TrillCraftWidget(found_pin, 0, "Keyboard", 0, 0, 0);
                            newcraft->setParameters(values[i].c_str());
                            newcraft->setMode("KEYBOARD");
                            fTrillTable.push_back(newcraft);
                        }
                    }
                }
#endif                
            }
        }
        
        // Initialize the sensors and affect there to the right widgets
        void initSensorWidgets(Trill::Device device, const string& mapping)
        {
            vector<string> names;
            vector<double> values;
            Trill* curSensor = NULL;
            bool affected = false;
            const char* tmpmapping = mapping.c_str();
            if (parseMenuList(tmpmapping, names, values)) {
                for (int i = 0; i < names.size(); i++) {
                    Trill::Device typedevice = Trill::probe(i2cBus, (uint8_t)values[i]);
                    if (typedevice == device) {                                             // is the right sensor type
                        curSensor = new Trill(i2cBus, device, (uint8_t)values[i]);
                        for (int j = 0; j < fTrillTable.size(); j++) {                       // find the right widgets
                            TrillWidget* CurWidget = fTrillTable[j];
                            if (CurWidget && device == CurWidget->getType() && strstr(pinNamesStrings[CurWidget->getBelaPin()], names[i].c_str())) {
                                affected = true;
                                CurWidget->setSensor(curSensor);
                            }
                        }
                        if (affected) {
                            fTouchSensors.push_back(curSensor);                             // preserve the sensor affected to the widget(s)
                        }
                        else if (curSensor) {                                                // delete if not affected
                            delete curSensor;
                        }
                    }
                    affected = false;
                    curSensor = NULL;
                }                
            }
        }
        
        int getNbTrill()
        {
           return fTrillTable.size(); 
        }
        
};

#endif // __FaustCommonInfrastructure__

/******************************************************************************
 *******************************************************************************
 
 VECTOR INTRINSICS
 
 *******************************************************************************
 *******************************************************************************/

<<includeIntrinsic>>

/********************END ARCHITECTURE SECTION (part 1/2)****************/

/**************************BEGIN USER SECTION **************************/

<<includeclass>>

/***************************END USER SECTION ***************************/

/*******************BEGIN ARCHITECTURE SECTION (part 2/2)***************/

list<GUI*> GUI::fGuiList;
ztimedmap GUI::gTimedZoneMap;

/**************************************************************************************
  Bela render.cpp that calls FAUST generated code
***************************************************************************************/

#ifdef MIDICTRL
static bela_midi gMIDI;
static MidiUI* gMidiInterface = NULL;
#endif

#ifdef OSCCTRL
#define OSC_IP_ADDRESS  "192.168.7.1"
#define OSC_IN_PORT     5510
#define OSC_OUT_PORT    5511
static BelaOSCUI gOSCUI(OSC_IP_ADDRESS, OSC_IN_PORT, OSC_OUT_PORT);
#endif

#ifdef HTTPDGUI
static httpdUI* gHttpdInterface = NULL;
#endif

#ifdef SOUNDFILE
// Use bundle path
static SoundUI gSoundInterface(SoundUI::getBinaryPath());
#endif

static FAUSTFLOAT** gInputs = NULL;   // array of pointers to context->audioIn data
static FAUSTFLOAT** gOutputs = NULL;  // array of pointers to context->audioOut data

static BelaUI gControlUI;

const int DELAYTRILLLOOP = 5000;

// This is the auxilary task function which will read our Trill sensors loop
static void trillLoop(void*)
{
    while (!Bela_stopRequested())
    {
        // Read all Trill sensors
        gControlUI.updateSensors();
        
        // Put the process to sleep when finished
        usleep(DELAYTRILLLOOP);
    }
}

//*******************************************************************************

void Bela_userSettings(BelaInitSettings* settings)
{
    // Faust code needs non-interleaved data
    settings->uniformSampleRate = 1;
    settings->interleave = 0;
    settings->analogOutputsPersist = 0;
}

bool setup(BelaContext* context, void* userData)
{
    int nvoices = 0;
    bool midi_sync = false;
    bool midi = false;
    mydsp* tmp_dsp = new mydsp();
    MidiMeta::analyse(tmp_dsp, midi, midi_sync, nvoices);
    delete tmp_dsp;
    
    // Routing the stderr stream to a file (some code part in the mydsp_poly are too talkative and generate mode switch during the execution)
    freopen ("stderr_file.txt", "w", stderr);
    
    // Access deinterleaded inputs
    gInputs = new FAUSTFLOAT*[context->audioInChannels];
    for (unsigned int ch = 0; ch < context->audioInChannels; ch++) {
        gInputs[ch] = (float*)&context->audioIn[ch * context->audioFrames];
    }
    
    // Access deinterleaded outputs
    gOutputs = new FAUSTFLOAT*[context->audioOutChannels];
    for (unsigned int ch = 0; ch < context->audioOutChannels; ch++) {
        gOutputs[ch] = (float*)&context->audioOut[ch * context->audioFrames];
    }
    
    // Polyphonic with effect
#ifdef POLY2
    int group = 1;
    cout << "Started with " << nvoices << " voices" << endl;
    gDSP = new mydsp_poly(new mydsp(), nvoices, true, group);
    
#ifdef MIDICTRL
    if (midi_sync) {
        gDSP = new timed_dsp(new dsp_sequencer(gDSP, new effect()));
    } else {
        gDSP = new dsp_sequencer(gDSP, new effect());
    }
#else
    gDSP = new dsp_sequencer(gDSP, new effect());
#endif
    
#else
    int group = 1;
    
    if (nvoices > 0) {
        cout << "Started with " << nvoices << " voices" << endl;
        gDSP = new mydsp_poly(new mydsp(), nvoices, true, group);
        
#ifdef MIDICTRL
        if (midi_sync) {
            gDSP = new timed_dsp(gDSP);
        }
#endif
    } else {
#ifdef MIDICTRL
        if (midi_sync) {
            gDSP = new timed_dsp(new mydsp());
        } else {
            gDSP = new mydsp();
        }
#else
        gDSP = new mydsp();
#endif
    }
#endif
    
    if (gDSP == NULL) {
        cerr << "Unable to allocate Faust DSP object" << endl;
        return false;
    }
    // Using dsp_adapter when the number of bela Audio IO channels are less than the DSP
    if (gDSP->getNumInputs() > context->audioInChannels || gDSP->getNumOutputs() > context->audioOutChannels) {
        gDSP = new dsp_adapter(gDSP, context->audioInChannels, context->audioOutChannels, context->audioFrames);
    }
    gDSP->init(context->audioSampleRate);
    gDSP->buildUserInterface(&gControlUI);  // Maps Bela Analog/Digital IO, Trill sensors and Faust widgets
	gDSP->metadata(&gControlUI);            // Get the extra settings for Trill sensors
#ifdef HTTPDGUI
    gHttpdInterface = new httpdUI("Bela-UI", gDSP->getNumInputs(), gDSP->getNumOutputs(), 0, NULL);
    gDSP->buildUserInterface(gHttpdInterface);
    gHttpdInterface->run();
#endif /* HTTPD GUI */

#ifdef MIDICTRL
    gMidiInterface = new MidiUI(&gMIDI);
    gDSP->buildUserInterface(gMidiInterface);
    gMidiInterface->run();
#endif
    
// OSC
#ifdef OSCCTRL
    gDSP->buildUserInterface(&gOSCUI);
    gOSCUI.run();
#endif
    
#ifdef SOUNDFILE
    // SoundUI has to be dispatched on all internal voices
    gDSP->buildUserInterface(&gSoundInterface);
#endif
    // Setup the trill sensors only if needed
    if (gControlUI.getNbTrill() > 0) {
        Bela_runAuxiliaryTask(trillLoop);        
    }
    return true;
}

void render(BelaContext* context, void* userData)
{
    // Reads Bela pins and updates corresponding Faust Widgets zones
    gControlUI.update(context);
    // Synchronize all GUI controllers
    GUI::updateAllGuis();
    // Process Faust DSP
    gDSP->compute(context->audioFrames, gInputs, gOutputs);
}

void cleanup(BelaContext* context, void* userData)
{
#ifdef HTTPDGUI
    delete gHttpdInterface;
#endif /* HTTPDGUI */
    delete [] gInputs;
    delete [] gOutputs;
    delete gDSP;    
#ifdef MIDICTRL
    delete gMidiInterface;
#endif
}

/******************** END bela.cpp ****************/