NBitRippleCounter Code

NBitRippleCounter.py

class NBitRippleCounter(Counter):

    """
    An N-Bit Ripple Counter
    """

    def __init__(
            self,
            bits,
            clock_connector,
            set=Connector(0),
            reset=Connector(0),
            data=0):

        # All the output bits are initialized to this data bit

        Counter.__init__(self, bits, clock_connector, set, reset, data)
        # Calling the super class constructor

        self.ff[
            self.bits -
            1] = TFlipFlop(
            self.t,
            self.enable,
            self.clk,
            self.out[
                self.bits -
                1],
            self.outinv[
                self.bits -
                1],
            self.set,
            self.reset)

        for i in range(self.bits - 1):
            self.ff[i] = TFlipFlop(
                self.t,
                self.enable,
                self.out[
                    i + 1],
                self.out[i],
                self.outinv[i],
                self.set,
                self.reset)