Testing a new sequencer for astrid. The pauses sound cool, but they are likely deadlocks. :-p

from pippi import dsp, oscs, shapes, fx, tune
import astrid

def play(ctx):
    steps = [
        [1,4,6,9],
        [3,5,7,8],
        [4,6,7,10],
    ]

    steps = steps[ctx.count//3 % len(steps)]

    freqs = tune.degrees(steps, octave=3, key='a')
    freq = dsp.choice(freqs)
    length = dsp.rand(0.015, dsp.rand(.25, dsp.rand(0.5,1)))
    length = 1.5
    ws = dsp.ws(ctx.adc(0.1), limit=dsp.randint(10,30))
    out = oscs.Pulsar2d(ws,
        pulsewidth=shapes.win('sine', dsp.rand(0, 0.9), 1, length=dsp.rand(0.1,dsp.rand(0.2,dsp.rand(2,20)))), 
        freq=freq * 2**dsp.randint(-2,2) + dsp.rand()
    ).play(length)
    out = out.taper(0.005).pan(dsp.rand())
    out = fx.lpf(out, dsp.rand(50,10000))
    out = fx.fold(out, dsp.rand(1,5))
    out = fx.norm(out, dsp.rand(0.2, 0.25))
    return out.env('pluckout')

def seq(ctx):
    length = 3
    beat = 0.25

    onsets1 = dsp.pat2onsets('xxxx.', beat, beats=32)
    onsets2 = dsp.pat2onsets('xxxx.', beat, beats=32)

    ctx.seq.set(0, length, onsets=onsets1)
    ctx.seq.set(1, length, onsets=onsets2)
    ctx.seq.set(2, length, onsets=onsets1)
    ctx.seq.set(3, length, onsets=onsets2)

if __name__ == '__main__':
    astrid.run_forever(__file__)