同步测试完成

src/main/scala/backBoard/shin/MasterParser.scala

@@ -152,5 +152,14 @@ abstract class MasterParserBase extends Module{
 
 
 class MasterParser extends MasterParserBase{
+  val deltaTimeStamp = Reg(UInt(32.W))
+  dontTouch(deltaTimeStamp)
 
+  val txStamps = Reg(UInt(32.W))
+
+  when( io.downOut.fire & io.downOut.bits.tlast ){
+    txStamps := io.timeStamp(31,0)
+  } .elsewhen( io.upIn.fire & io.upIn.bits.tlast & ~io.upIn.bits.tuser ){
+    deltaTimeStamp := io.timeStamp(31,0) - txStamps
+  }
 }