// Slork 2013
// Week 2 ChucK Tutorial
// Keyboard control
// Spencer Salazar - spencer@ccrma.stanford.edu

// setup our audio
SawOsc osc => NRev reverb => dac;
0.05 => reverb.mix;

// open the keyboard
Hid keyboard;
keyboard.openKeyboard(0);

HidMsg msg;
while(true)
{
    // wait for the keyboard to generate input
    keyboard => now;
    // receive the input
    while(keyboard.recv(msg))
    {
        // a button was pressed
        if(msg.type == Hid.BUTTON_DOWN)
        {
            <<< "button down:", msg.ascii >>>;
            // play sound
            msg.ascii => Std.mtof => osc.freq;
            1 => osc.gain;
        }
        // a button was released
        else if(msg.type == Hid.BUTTON_UP)
        {
            // stop sound
            0 => osc.gain;
        }
    }
}