Logic with CHOPs

Simple Gate

To create a simple gate logic we can use an ExpressionCHOP with 1 if op('constant1')[0] == 0 else 0 or >= <=

Simple Gate with Threshold value

We also can use the second input to set as threshold with 0 if op('constant1')[0] < op('thresh')[0] else 1. If you only want to pass the values from constant when they are above the threshold use op('constant1')[0] if op('constant1')[0] >= op('thresh')[0] else 0

Switch

With the ExpressionCHOP we also can create switch behavior with op('constant1')[0] if op('switchIndex')[0] == 0 else op('lfo1')[0]

Sample and Hold with ScriptCHOP

We can use a ScriptCHOP to create a sample and hold logic. For that we create a custom Pulse parameter with left click on ScriptCHOP and Customize Operator. We then add a Pulse parameter. In the script_callbacks we add for the onPulse method

def onPulse(par):
    if par.name == 'Pulse':
        #assign current noise value to constant where the value is hold
        op('constant1').par.const0value = op('noise1')[0]
    return
...

Also assign a trigger from for example a TriggerCHOP to the Pulse parameter in the parameter window of the ScriptCHOP.

Instead of creating the Pulse parameter in the Customize Operator window we also can script the Pulse parameter. For that go into the script_callback and add in onSetupParameters method:

def onSetupParameters(scriptOp):
    page = scriptOp.appendCustomPage('Custom')
    page.appendPulse('Pulse')

To make the changes active you need to click Setup btn in the operator.

Pulsed Comparator

We can use a ScriptCHOP to compare values when a pulse happens. Create the Pulse parameter like in the example above and then in the code of the ScriptCHOP

def onPulse(par):
    if par.name == 'Pulse':
        if op('constant1')[0] >= op('constant1')[1]:
            #Execute something
    return

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