Object/Class

chisel3.util.random

GaloisLFSR

Related Docs: class GaloisLFSR | package random

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object GaloisLFSR

Utility for generating a pseudorandom UInt from a GaloisLFSR.

For example, to generate a pseudorandom 8-bit UInt that changes every cycle, you can use:

val pseudoRandomNumber = GaloisLFSR.maxPeriod(8)
Source
GaloisLFSR.scala
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  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  4. def apply(width: Int, taps: Set[Int], increment: Bool = true.B, seed: Option[BigInt] = Some(1), reduction: LFSRReduce = XOR): UInt

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    Return a pseudorandom UInt generated from a FibonacciLFSR.

    Return a pseudorandom UInt generated from a FibonacciLFSR.

    width

    of pseudorandom output

    taps

    a set of tap points to use when constructing the LFSR

    increment

    when asserted, a new random value will be generated

    seed

    an initial value for internal LFSR state

    reduction

    the reduction operation (either XOR or XNOR)

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  12. final def isInstanceOf[T0]: Boolean

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  13. def maxPeriod(width: Int, increment: Bool = true.B, seed: Option[BigInt] = Some(1), reduction: LFSRReduce = XOR): UInt

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    Return a pseudorandom UInt generated using a maximal period GaloisLFSR

    Return a pseudorandom UInt generated using a maximal period GaloisLFSR

    width

    of pseudorandom output

    increment

    when asserted, a new random value will be generated

    seed

    an initial value for internal LFSR state

    reduction

    the reduction operation (either XOR or XNOR)

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