增加8b10b的测试用例，并与4b5b共享测试用例

tb/shinTest/testcase/rwregs.py

@@ -30,3 +30,31 @@ def tc1():
                        +genTcEndFrameCode(gen_file_def))
     genPkt.gen("./generated/shin/%s.vh"%(gen_file_def, ), 1)
     return gen_file_def
+
+
+def tc2():
+    gen_file_def = "regtest_tc02"
+    sm_idx = 0
+    tc_des = "测试寄存器的读写状态，将系统改为4B5B进行通信\\n" 
+
+    genPkt = GenPkt()
+    genPkt.clean()
+
+    dev_num = get_slv_dev_num()
+
+    genPkt.addBeforeExc(genTcStartFrameCode(gen_file_def, tc_des))
+
+    change_4b5b_code = ""
+    for i in range(dev_num + 1):
+        change_4b5b_code = change_4b5b_code + genIFRwDataCode(i, 0x004c, True, 2, [0x0, 0x59])\
+            +genIFRwDataCode(i, 0x004c, False, 2)
+
+
+    genPkt.addAfterExc(#genWriteTransLenCode(gen_file_def, sm_idx)
+                       #+genWriteTransPktCode(gen_file_def, sm_idx)
+                       #+genTrgTransPktCode(gen_file_def, sm_idx)
+                       #+genReadAckPktCode(gen_file_def, sm_idx)
+                       change_4b5b_code
+                       +genTcEndFrameCode(gen_file_def))
+    genPkt.gen("./generated/shin/%s.vh"%(gen_file_def, ), 1)
+    return gen_file_def