增加加密特性（未测试）

src/main/scala/backBoard/ebus/CDRIn.scala

@@ -9,6 +9,8 @@ class CDRInIO extends Bundle{
   val axis = Decoupled(new AXIS_Bundle(8))
   val serDat = Input(Bool())
   val overCLK = Input(Bool())
+
+  val initEncryptor = Flipped(Valid(UInt(128.W)))
 }
 
 
@@ -17,6 +19,9 @@ abstract class CDRInBase extends Module{
 
   val io: CDRInIO = IO(new CDRInIO)
 
+  val encryptor = Module(new Encryptor)
+  encryptor.io.init := io.initEncryptor
+  encryptor.io.op.ready := io.axis.fire
 
 }
 
@@ -116,9 +121,9 @@ trait CDRInAxis{ this: CDRInBase =>
 
   val payloadLen = RegInit(0.U(12.W))
   when( byteCnt === 0.U & bitCnt === 9.U & stateCurr === STATE_HEADER ){
-    payloadLen := Cat( shiftData, 0.U(4.W) )
+    payloadLen := Cat( shiftData ^ Mux( encryptor.io.op.valid, encryptor.io.op.bits, 0.U ), 0.U(4.W) )
   } .elsewhen( byteCnt === 1.U & bitCnt === 9.U & stateCurr === STATE_HEADER ){
-    payloadLen := Cat( payloadLen(11,4), shiftData(7,4) )
+    payloadLen := Cat( payloadLen(11,4), shiftData(7,4) ^ Mux( encryptor.io.op.valid, encryptor.io.op.bits, 0.U ) )
   }
   
   stateNext := 
@@ -159,7 +164,7 @@ trait CDRInAxis{ this: CDRInBase =>
 
 
   val axis_valid = RegInit(false.B)
-  val axis_tdata = RegEnable( shiftData, bitCnt === 9.U & ( stateCurr === STATE_HEADER | stateCurr === STATE_PAYLOAD ) )
+  val axis_tdata = RegEnable( shiftData ^ Mux( encryptor.io.op.valid, encryptor.io.op.bits, 0.U ), bitCnt === 9.U & ( stateCurr === STATE_HEADER | stateCurr === STATE_PAYLOAD ) )
   val axis_tuser = false.B
   val axis_tlast = RegNext( stateCurr === STATE_PAYLOAD & stateNext === STATE_IDLE, false.B )
 

src/main/scala/backBoard/ebus/CDROut.scala

@@ -13,13 +13,20 @@ class AXIS_Bundle(dw: Int) extends Bundle{
 class CDROutIO extends Bundle{
   val axis = Flipped(Decoupled(new AXIS_Bundle(8))) 
   val serDat = Output(Bool())
-}
 
+  val initEncryptor = Flipped(Valid(UInt(128.W)))
+
+}
 
 
 class CDROut extends Module{
   val io: CDROutIO = IO(new CDROutIO)
 
+  val encryptor = Module(new Encryptor)
+  encryptor.io.init := io.initEncryptor
+  encryptor.io.op.ready := io.axis.fire
+
+
   def STATE_IDLE  = 0.U
   def STATE_PREAMBLE = 1.U
   def STATE_PAYLOAD = 2.U
@@ -62,10 +69,10 @@ class CDROut extends Module{
       when( stateCurr === STATE_PREAMBLE ){
         shiftData := MuxCase( ETH_PRE, Array(
           ( byteCnt === 6.U ) -> ETH_SFD,
-          ( byteCnt === 7.U ) -> Dualb4b5Encoder(io.axis.bits.tdata),
+          ( byteCnt === 7.U ) -> Dualb4b5Encoder( io.axis.bits.tdata ^ Mux( encryptor.io.op.valid, encryptor.io.op.bits, 0.U ) ),
         ))
       } .elsewhen( stateCurr === STATE_PAYLOAD ){
-        shiftData := Dualb4b5Encoder(io.axis.bits.tdata)
+        shiftData := Dualb4b5Encoder(io.axis.bits.tdata ^ Mux( encryptor.io.op.valid, encryptor.io.op.bits, 0.U ) )
       }
     }
   }