// bassline
// the device number to open
0 => int deviceNum;

// instantiate a HidIn object
Hid hi;
// structure to hold HID messages
HidMsg msg;

// open keyboard
if( !hi.openKeyboard( deviceNum ) ) me.exit();
// successful! print name of device
<<< "keyboard '", hi.name(), "' ready" >>>;
    
SawOsc osc[2];
ADSR env;

for( int i; i < osc.size(); i++ )
{
    osc[i]=> ResonZ filter => NRev r => env => dac;
    env.set( 100::ms, 200::ms, .7, 100::ms );
    0.2 => filter.Q;
    0.3 => r.mix;
}

0 => osc[0].gain;
0 => osc[1].gain;

[56, 68, 57, 72] @=> int notes[];

while( true )
{
    // wait on event
    hi => now;
    
    // get one or more messages
    while( hi.recv( msg ) )
    {
        // check for action type
        if( msg.isButtonDown() && msg.which == 11)
        {
            // print
            <<< "down: h" >>>;
            env.keyOn();
            0.1 => osc[0].gain;
            0.08 => osc[1].gain;
            Std.mtof(57) => osc[0].freq;
            Std.mtof(60) => osc[1].freq;
            //4::second => now;
            20::ms => now;
            
        }
        else if( msg.isButtonDown() && msg.which == 13)
        {
            // print
            <<< "down: j" >>>;
            env.keyOn();
            0.1 => osc[0].gain;
            0.08 => osc[1].gain;
            Std.mtof(59) => osc[0].freq;
            Std.mtof(64) => osc[1].freq;
            //4::second => now;
            20::ms => now;
            
        }
        else if( msg.isButtonDown() && msg.which == 14)
        {
            // print
            <<< "down: j" >>>;
            env.keyOn();
            0.1 => osc[0].gain;
            0.08 => osc[1].gain;
            Std.mtof(55) => osc[0].freq;
            Std.mtof(64) => osc[1].freq;
            //4::second => now;
            20::ms => now;
            
        }
        else if( msg.isButtonDown() && msg.which == 15)
        {
            // print
            <<< "down: j" >>>;
            env.keyOn();
            0.1 => osc[0].gain;
            0.1 => osc[1].gain;
            Std.mtof(57) => osc[0].freq;
            Std.mtof(69) => osc[1].freq;
            //4::second => now;
            20::ms => now;
            
        }
        else if( msg.isButtonUp() && msg.which == 11 || msg.which == 13 || msg.which == 14 || msg.which == 15)
        {
            <<< "up:", msg.which >>>;
            
            env.keyOff();
            0 => osc[0].gain;
            0 => osc[1].gain;
            
            
        }

    }
}
    
    
    
    
    //Std.mtof(59) => osc[0].freq;
    //Std.mtof(64) => osc[1].freq;
    //4::second => now;