修复recParser的计数器

src/main/scala/backBoard/shin/SlaveRecParser.scala

@@ -109,7 +109,8 @@ class SlaveRecParser extends Module{
       frameLenCnt := 0.U
     } .elsewhen( 
       ( stateCurr === STATE_SUBMSG_HEADER ) ||
-      ( stateCurr === STATE_PAYLOAD_DATA        )
+      ( stateCurr === STATE_PAYLOAD_DATA  ) ||
+      ( stateCurr === STATE_SUBMSG_TAIL   )
     ){
       frameLenCnt := frameLenCnt + 1.U
     }