增加bug56的分支, 主站发送4个字节的00，从站异常的反应

tb/shinTest/ShinTopSpiTb.v

@@ -1,9 +1,10 @@
 `timescale 1 ns / 1 ps
 
 `define ENABLE_REG_RW_TEST
-`define ENABLE_DET_TEST
-`define ENABLE_SET_ADDR_TEST
-`define ENABLE_INT_INIT_TEST
+//`define ENABLE_DET_TEST
+//`define ENABLE_SET_ADDR_TEST
+//`define ENABLE_INT_INIT_TEST
+`define ENABLE_DET_ERR_TEST
 //`define ENABLE_SM1_SEND_TEST
 //`define ENABLE_SMx_SEND_TEST
 
@@ -16,7 +17,7 @@
 //`define ENABLE_BC_W_TEST
 //`define ENABLE_BC_RW_TEST
 
-`define ENABLE_SYNC_TEST
+//`define ENABLE_SYNC_TEST
 //`define ENABLE_SYNC_SIG0_TEST
 //`define ENABLE_SYNC_SIG1_TEST
 //`define ENABLE_RESET_TEST
@@ -29,7 +30,7 @@
 //`define ENABLE_EBMMU_TC6_TEST
 //`define ENABLE_EBMMU_TC7_TEST
 
-`define ENABLE_WD_TC1_TEST
+//`define ENABLE_WD_TC1_TEST
 
 module ShinTopSpiTb(
 
@@ -914,6 +915,19 @@ initial begin
   end
 `endif
 
+`ifdef ENABLE_DET_ERR_TEST
+  begin:DET_ERR_TEST
+    //嗅探
+    _t_start = $realtime;
+    #1000
+    $fdisplay(spidata_file, "\n\n测试用例：发送嗅探包，需要在波形文件里检查");
+
+    `include "detect_err_pkt.vh"
+
+    _t_end = $realtime;
+    $fdisplay(spidata_file, "该测试用例运行时间：%t\n", _t_end - _t_start);
+  end
+`endif
 
 `ifdef ENABLE_SM1_SEND_TEST
   begin:SM1_SEND_TESTCASE