From 58ad17ce796b2257511fde25ca5698de3153fcc1 Mon Sep 17 00:00:00 2001
From: Ruige Lee <wut.ruigeli@gmail.com>
Date: Wed, 27 Aug 2025 16:27:00 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D?=
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---
 src/main/scala/backBoard/ebus/CDRIn.scala | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/main/scala/backBoard/ebus/CDRIn.scala b/src/main/scala/backBoard/ebus/CDRIn.scala
index 4c0c7b1..9bbbf98 100644
--- a/src/main/scala/backBoard/ebus/CDRIn.scala
+++ b/src/main/scala/backBoard/ebus/CDRIn.scala
@@ -155,14 +155,20 @@ trait CDRInMultiSample{ this: CDRInBase =>
     }
   }.elsewhen( checkCnt.andR ){ //锁定之后，只允许每16cycle移动一相位
     assert( arbCali >= 2.U  && arbCali < 118.U )
-    for( i <- 0 until 5 ){
-      val j = 5 - i -1
-      when( checkWindow(j) ^ checkWindow(j+1) ){
-        when( j.U < arbCali ){
-          arbCali := arbCali - 1.U
-        } .elsewhen( j.U > arbCali ){
-          arbCali := arbCali + 1.U
-        }
+
+    when(
+      (checkWindow(0) ^ checkWindow(1)) |
+      (checkWindow(1) ^ checkWindow(2))
+    ){
+      when( arbCali =/= 2.U ){
+        arbCali := arbCali - 1.U
+      }
+    } .elsewhen(
+      (checkWindow(3) ^ checkWindow(4)) |
+      (checkWindow(4) ^ checkWindow(5))
+    ){
+      when( arbCali =/= 117.U ){
+        arbCali := arbCali + 1.U
       }
     }
   }