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_DET_TEST
-`define ENABLE_SET_ADDR_TEST
+//`define ENABLE_SET_ADDR_TEST
-`define ENABLE_INT_INIT_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

tb/shinTest/gen_pkt.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 #encoding=utf-8
 import random
+import copy
 
 class GenPkt(object):
     def __init__(self):
@@ -10,12 +11,14 @@ class GenPkt(object):
         self.pkt_type = 0
         self.pkt_sub_pkt = 0
         self.sub_pkt = list()
+        self.pkt_data = None
 
     def clean(self):
         self.pkt_buf = list() #bytearray(b'\0' * 2048)
         self.pkt_type = 0
         self.pkt_sub_pkt = 0
         self.sub_pkt = list()
+        self.pkt_data = None
 
     def setPktType(self, type):
         if (type != 0) and (type != 1):
@@ -23,6 +26,16 @@ class GenPkt(object):
         else:
             self.pkt_type = type
 
+    def setPkt(self, type, data = None):
+        if (type != 0) and (type != 1):
+            if type == 2:
+                self.pkt_type = 2
+                self.pkt_data = copy.copy(data)
+            else:
+                print('Error...set type failed:', type)
+        else:
+            self.pkt_type = type
+
     def addBeforeExc(self, str):
         self.sub_pkt.append([1, str])
         
@@ -58,7 +71,7 @@ class GenPkt(object):
         print("pkt_len:%d, data_len:%d"%(pkt_len, pkt_len - 4))
         
         i = 4
-        if self.pkt_type == 1:
+        if (self.pkt_type == 1):
             pkt_len = 4
             '''
             self.pkt_buf[0] = 0
@@ -70,6 +83,12 @@ class GenPkt(object):
             self.pkt_buf.append(self.pkt_type & 0x3)
             self.pkt_buf.append(0x3f)
             self.pkt_buf.append(0xff)
+        elif (self.pkt_type == 2):
+            pkt_len = len(self.pkt_data)
+
+            for d in self.pkt_data:
+                self.pkt_buf.append(d)
+            #print("-----------------------------", filename, self.pkt_type, pkt_len, self.pkt_buf)
         else:
             #for i in range(pkt_len):
             '''
@@ -307,6 +326,19 @@ if __name__ == '__main__':
                        +genReadAckPktCode(gen_file_def, sm_idx))
     genPkt.gen("./generated/shin/%s.vh"%(gen_file_def, ), 1)
 
+    #-------------------------------------------------------------------------
+    #>>>>>>错误的嗅探数据包
+    genPkt.clean()
+    genPkt.setPkt(2, [0, 0, 0, 0])
+    gen_file_def = "detect_err_pkt"
+    sm_idx = 0
+
+    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))
+    genPkt.gen("./generated/shin/%s.vh"%(gen_file_def, ), 1)
+    
     #-------------------------------------------------------------------------
     #>>>>>>普通数据包  sm1 
     genPkt.clean()