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/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):
             '''
@@ -263,7 +282,7 @@ def genSlvSMWriteData(dev, sm, data_len, data = None):
     
     if (data != None) and (len(data) != 0) and (len(data) < data_len):
         return ''
-        
+
     if (data == None) or (len(data) == 0):
         data = list()
         for i in range(data_len):
@@ -301,6 +320,19 @@ if __name__ == '__main__':
     gen_file_def = "detect_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)
+
+    #-------------------------------------------------------------------------
+    #>>>>>>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)