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Optimize LatencyPipe code with Chisel3 style #133

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Sep 17, 2023
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13 changes: 7 additions & 6 deletions src/main/scala/utils/LatencyPipe.scala
Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,14 @@

package utils

import Chisel._
import chisel3._
import chisel3.util._

class LatencyPipe[T <: Data](typ: T, latency: Int) extends Module {
val io = new Bundle {
val in = Decoupled(typ).flip
val out = Decoupled(typ)
}
val io = IO(new Bundle {
val in = Flipped(DecoupledIO(typ))
val out = DecoupledIO(typ)
})

def doN[T](n: Int, func: T => T, in: T): T =
(0 until n).foldLeft(in)((last, _) => func(last))
Expand All @@ -18,7 +19,7 @@ class LatencyPipe[T <: Data](typ: T, latency: Int) extends Module {

object LatencyPipe {
def apply[T <: Data](in: DecoupledIO[T], latency: Int): DecoupledIO[T] = {
val pipe = Module(new LatencyPipe(in.bits, latency))
val pipe = Module(new LatencyPipe(in.bits.cloneType, latency))
pipe.io.in <> in
pipe.io.out
}
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