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Add support for Input() and Output() and test for same. #862

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Jul 20, 2018
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Add support for Input() and Output() and test for same. #862

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3 changes: 3 additions & 0 deletions src/main/scala/chisel3/compatibility.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,9 @@ package object Chisel { // scalastyle:ignore package.object.name
case object OUTPUT extends Direction
case object NODIR extends Direction

val Input = chisel3.core.Input
val Output = chisel3.core.Output

object Flipped {
def apply[T<:Data](target: T): T = chisel3.core.Flipped[T](target)
}
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14 changes: 14 additions & 0 deletions src/test/scala/chiselTests/CompatibilitySpec.scala
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Expand Up @@ -322,4 +322,18 @@ class CompatibiltySpec extends ChiselFlatSpec with GeneratorDrivenPropertyChecks
})
}

"Chisel3 IO constructs" should "be useable in Chisel2" in {
import Chisel._
elaborate(new Module {
val io = IO(new Bundle {
val in = Input(Bool())
val foo = Output(Bool())
val bar = Flipped(Bool())
})
Chisel.assert(io.in.dir == INPUT)
Chisel.assert(io.foo.dir == OUTPUT)
Chisel.assert(io.bar.dir == INPUT)
})
}

}