Add XclAxiStreamIO

src/main/scala/varec/shell/XclAxiIO.scala

@@ -4,6 +4,34 @@ import chisel3._
 import chisel3.util._
 import varec.axi4.{Axi4Config, AxiLiteSlaveIO, AxiMasterIO}
 
+object XclAxiEnqIO {
+  def apply(data_width: Int) = Flipped(new XclAxiStreamIO(data_width))
+}
+
+object XclAxiDeqIO {
+  def apply(data_width: Int) = new XclAxiStreamIO(data_width)
+}
+
+class XclAxiStreamIO(data_width: Int) extends Bundle {
+  val TREADY = Input(Bool())
+  val TVALID = Output(Bool())
+  val TDATA = Output(UInt(data_width.W))
+
+  def order(stream: DecoupledIO[UInt]) {
+    stream.ready := TREADY
+    TVALID := stream.valid
+    TDATA := stream.bits
+  }
+
+  def serve(stream: DecoupledIO[UInt]) {
+    TREADY := stream.ready
+    stream.valid := TVALID
+    stream.bits := TDATA
+  }
+
+  override def cloneType: this.type = new XclAxiStreamIO(data_width).asInstanceOf[this.type]
+}
+
 class XclAxiLiteSlaveIO(addr_width: Int, data_width: Int) extends Bundle {
   val ARREADY = Output(Bool())
   val ARVALID = Input(Bool())