增加了生成包的工具，采用include包含发送包的初始化，尚未做严谨的测试

tb/shinTest/gen_pkt.py

@@ -1,49 +1,130 @@
 #!/usr/bin/env python
 #encoding=utf-8
+import random
 
-from ctypes import *
+class GenPkt(object):
+    def __init__(self):
+        super(GenPkt, self).__init__()
+        
+        self.pkt_buf = bytearray(b'\0' * 2048)
+        self.pkt_type = 0
+        self.pkt_sub_pkt = 0
+        self.sub_pkt = list()
 
-class TPkt(BigEndianStructure):
-    pass
-TPkt._pack_ = 1
-TPkt._fields_=[
-                ('len',     c_uint, 12),
-                ('rsv1',    c_uint, 2),
-                ('type',    c_uint, 2),
-                ('rsv2',    c_uint16),
-                ('data',    c_uint8 * 2040),
-                ]
+    def clean(self):
+        self.pkt_buf = bytearray(b'\0' * 2048)
+        self.pkt_type = 0
+        self.pkt_sub_pkt = 0
+        self.sub_pkt = list()
 
-class TSubPkt(BigEndianStructure):
-    pass
+    def setPktType(self, type):
+        if (type != 0) and (type != 1):
+            print('Error...set type failed:', type)
+        else:
+            self.pkt_type = type
 
-TSubPkt._pack_ = 1
-TSubPkt._fields_=[
-                ('dev',  c_uint, 14),
-                ('mode', c_uint, 2),
-                ('addr', c_uint16),
-                ('cmd',  c_uint, 4),
-                ('slen', c_uint, 12),
-                ('wkr',  c_uint16)
-                ]
+    def addSubPkt(self, dev_idx, ptype, addr, cmd, len, data):
+        if (len > 2032):
+            print('Error, bad subpkt len:%d', len)
+            return 
+        if not (ptype in [0, 2]):
+            print('Error, bad subpkt type:', ptype)
+            return 
+        if not (cmd in [0, 1, 2, 0xb, 0xc, 0xd, 0xe, 0xf]):
+            print('Error, bad cmd:', cmd)
+            return 
+        
+        self.pkt_sub_pkt = self.pkt_sub_pkt + 1
+        self.sub_pkt.append([dev_idx, ptype, addr, cmd, len, data])
 
+    def gen(self, filename="pkt_verilog_test.v", filetype=0):
+        pkt_len = 4
+        for sp in self.sub_pkt:
+            pkt_len = pkt_len + sp[4] + 8
 
+        if pkt_len > 2048:
+            print('Error, bad pkt_len:', pkt_len)
+            return 
+        
+        print("pkt_len:%d, data_len:%d"%(pkt_len, pkt_len - 4))
+        
+        i = 4
+        if self.pkt_type == 1:
+            pkt_len = 0
+            self.pkt_buf[0] = 0
+            self.pkt_buf[1] = (self.pkt_type & 0x3)
+            self.pkt_buf[2] = 0x3f
+            self.pkt_buf[3] = 0xff
+        else:
+            #for i in range(pkt_len):
+            self.pkt_buf[0] = ((pkt_len - 4) >> 4) & 0xff
+            self.pkt_buf[1] = (((pkt_len - 4) << 4) & 0xf0) | (self.pkt_type & 0x3)
+            self.pkt_buf[2] = 0
+            self.pkt_buf[3] = 0
+            
+            for sp in self.sub_pkt:
+                #设备索引(14bit)+类型(2bit)
+                temp = ((sp[0] & 0x3fff) << 2) | (sp[1] & 0x3)
+                
+                self.pkt_buf[i] = (temp >> 8) & 0xff
+                i = i + 1
+                self.pkt_buf[i] = temp & 0xff
+                i = i + 1
+                
+                #地址
+                self.pkt_buf[i] = (sp[2] >> 8) & 0xff
+                i = i + 1
+                self.pkt_buf[i] = sp[2] & 0xff
+                i = i + 1
 
+                #命令类型(4bit)+长度(12bit)
+                temp = (sp[3] << 12) | (sp[4] & 0xfff)
+                
+                self.pkt_buf[i] = (temp >> 8) & 0xff
+                i = i + 1
+                self.pkt_buf[i] = temp & 0xff
+                i = i + 1
+
+                #工作计数
+                self.pkt_buf[i] = 0
+                i = i + 1
+                self.pkt_buf[i] = 0
+                i = i + 1
+
+                #数据
+                if sp[5] == None:
+                    for _k in range(sp[4]):
+                        self.pkt_buf[_k + i] = random.randint(0, 255)
+                else:
+                    for _k in range(sp[4]):
+                        self.pkt_buf[_k + i] = sp[5][_k]
+
+                i = i + sp[4]
+
+        f = open(filename, "wt+")
+        for _k in range(i):
+            f.write("txBuf[%d]=8'h%02X;\n"%(3 + _k, self.pkt_buf[_k]))
+        f.close()
 
 if __name__ == '__main__':
-    packet = b'\0' * 2048
-
-    pkt = cast (packet, POINTER(TPkt)).contents
-    pkt.len = 512
-    pkt.rsv1 = 0
-    pkt.type = 0
-    pkt.rsv2 = 0
-    pkt.data[0] = 1
-    pkt.data[1] = 2
-    pkt.data[2] = 3
-    pkt.data[3] = 4
-
-    for i in range(10):
-        print(hex(packet[i]), ' ')
+    genPkt = GenPkt()
+    
+    genPkt.setPktType(1)
+    genPkt.gen("./generated/shin/detect_pkt.vh")
+    
+    genPkt.clean()
+    
+    genPkt.setPktType(0)
+    
+    #subPkt参数：索引、索引类型、地址、命令、长度、数据
+    genPkt.addSubPkt(0x02, 0, 0x0830, 0x2, 56, None)
+    genPkt.addSubPkt(0x01, 0, 0x0840, 0x1, 56, None)
+    genPkt.addSubPkt(0x03, 0, 0x1040, 0x0, 56, None)
+    for i in range(5):
+        genPkt.addSubPkt(random.randint(100, 4000), 0, random.randint(0, 65536), 0x0, 56, None)
+    #genPkt.addSubPkt(10, 2, 0x300, 0x2, 4, None)
+    #genPkt.addSubPkt(11, 1, 0x300, 0x2, 4, None)
+    genPkt.gen("./generated/shin/seq_pkt.vh")
+