Test2

 class CryoChannels(pr.Device):
    def __init__(   self, 
            name        = "CryoFrequencyBand", 
            description = "Note: This module is read-only with respect to sysgen", 
            hidden      = False,
            **kwargs):

        super().__init__(name=name, description=description, hidden=hidden, **kwargs)

        ##############################
        # Devices
        ##############################          
        for i in range(512):
            self.add(CryoChannel(
                name   = (f'CryoChannel[{i}]'), 
                    offset = (i*0x4), 
                    hidden = (i % 16 != 0),
                    expand = False,
                ))             

        @self.command(description="Set all amplitudeScale values",value=0)
        def SetAmplitudeScales(self, arg):

            # Get a list of all variables with name amplitudeScale below this level
            for var in self.find(recurse=True,type=pr.Variable,name="amplitudeScale"):


            # Set value but don't synchronously write block
            var.setDisp(sValue=arg,write=False)

            # Commit blocks with bulk background writes
            self.writeBlocks()

            # Verify the blocks with background transactions
            self.verifyBlocks()

            # Check write and verify results
            self.checkBlocks()