eb001/tb/shinTest/gen_pkt.py

#!/usr/bin/env python
#encoding=utf-8
import random

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()

    def clean(self):
        self.pkt_buf = bytearray(b'\0' * 2048)
        self.pkt_type = 0
        self.pkt_sub_pkt = 0
        self.sub_pkt = list()

    def setPktType(self, type):
        if (type != 0) and (type != 1):
            print('Error...set type failed:', type)
        else:
            self.pkt_type = type

    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 = 4
            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+")
        if filetype == 1:
            define_str = "`define DEF_"
            
            pos1 = filename.rfind("/")
            if (pos1 < -1):
                pos1 = 0
            else:
                pos1 = pos1 + 1

            pos2 = filename.rfind(".")
            if (pos1 > pos2):
                define_str = define_str + filename[pos1:]
            else:
                define_str = define_str + filename[pos1:pos2]

            f.write(define_str + "_len \t%d\n"%(pkt_len))
            f.write(define_str + "_sm(array) \\\n\tarray``[%d]=8'h%02X;\\\n\tarray``[%d]=8'h%02X;\n"%(
                    3, pkt_len & 0xff,
                    4, pkt_len >> 8
                    ))

            f.write(define_str + "(array) \\\n")
            for _k in range(i):
                if _k < (i - 1):
                    f.write("\tarray``[%d]=8'h%02X;\\\n"%(3 + _k, self.pkt_buf[_k]))
                else:
                    f.write("\tarray``[%d]=8'h%02X;\n"%(3 + _k, self.pkt_buf[_k]))
        else:
            for _k in range(i):
                f.write("txBuf[%d]=8'h%02X;\n"%(3 + _k, self.pkt_buf[_k]))
        f.close()

if __name__ == '__main__':
    genPkt = GenPkt()

    #-------------------------------------------------------------------------
    #>>>>>>嗅探数据包
    genPkt.setPktType(1)
    genPkt.gen("./generated/shin/detect_pkt.vh", 1)

    #-------------------------------------------------------------------------
    #>>>>>>普通数据包   
    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_0_pkt.vh", 1)

    #-------------------------------------------------------------------------
    #>>>>>>普通数据包0,用来操作sync
    genPkt.clean()
    genPkt.setPktType(0)

    data = bytearray(b"\0"*100)
    data[0] = 0 #0x0300
    data[1] = 0 #0x0301
    data[2] = 64 #0x302 长度1
    data[3] = 0   #0x303 长度2
    data[4] = 0 
    data[5] = 0 
    data[6] = 64
    data[7] = 0 
    data[8] = 0
    data[9] = 0
    data[10] = 64
    data[11] = 0
    data[12] = 0
    data[13] = 0
    data[14] = 64
    data[15] = 0


    #subPkt参数：索引、索引类型、地址、命令、长度、数据
    genPkt.addSubPkt(0x02, 0, 0x0300, 0x1, 4, data) #sm0
    genPkt.addSubPkt(0x01, 0, 0x0308, 0x1, 4, data) #sm2
    genPkt.addSubPkt(0x03, 0, 0x0310, 0x1, 4, data) #sm4
    genPkt.addSubPkt(0x04, 0, 0x0318, 0x1, 4, data) #sm6

    data = bytearray(b"\0"*100)
    for i in range(64):
        data[i] = i
    data[10] = ord('B')
    data[11] = ord('A')
    genPkt.addSubPkt(0x02, 0, 0x0800, 0x1, 64, data)
    
    data = bytearray(b"\0"*100)
    for i in range(64):
        data[i] = i
    data[11] = ord('B')
    data[12] = ord('A')
    genPkt.addSubPkt(0x01, 0, 0x1800, 0x1, 64, data)
    
    data = bytearray(b"\0"*100)
    for i in range(64):
        data[i] = i
    data[12] = ord('B')
    data[13] = ord('A')
    genPkt.addSubPkt(0x03, 0, 0x2800, 0x1, 64, data)
    
    data = bytearray(b"\0"*100)
    for i in range(64):
        data[i] = i
    data[13] = ord('B')
    data[14] = ord('A')
    genPkt.addSubPkt(0x04, 0, 0x3800, 0x1, 64, data)

    genPkt.gen("./generated/shin/seq_1_pkt.vh", 1)
    
    #-------------------------------------------------------------------------
    #>>>>>>普通数据包2
    genPkt.clean()
    genPkt.setPktType(0)
    
    #subPkt参数：索引、索引类型、地址、命令、长度、数据
    genPkt.addSubPkt(3, 0, 0x3000, 0x0, 129, b"\0"*129)
    genPkt.addSubPkt(4, 0, 0x4000, 0x0, 140, b"\0"*140)
    genPkt.addSubPkt(1, 0, 0x1000, 0x0, 128, b"\0"*128)
    genPkt.addSubPkt(2, 0, 0x2000, 0x0, 152, b"\0"*152)
    genPkt.addSubPkt(1, 0, 0x0306, 0x0, 2, b"\0"*2)
    genPkt.addSubPkt(2, 0, 0x030e, 0x0, 2, b"\0"*2)
    genPkt.addSubPkt(3, 0, 0x0316, 0x0, 2, b"\0"*2)
    genPkt.addSubPkt(4, 0, 0x031e, 0x0, 2, b"\0"*2)

    genPkt.gen("./generated/shin/seq_2_pkt.vh", 1)


    #-------------------------------------------------------------------------
    #>>>>>>交换数据 SMx
    genPkt.clean()
    genPkt.setPktType(0)
    
    #subPkt参数：索引、索引类型、地址、命令、长度、数据
    data = bytearray(b"\0" * 10)
    data[0] = 16
    data[1] = 0
    genPkt.addSubPkt(random.randint(0, 2048), 0, 0x0302, 0xe, 2, data) #0x030a, 0xe, 2, data)
    
    data = bytearray(b"\0"*100)
    for i in range(100):
        data[i] = i + 1
    genPkt.addSubPkt(random.randint(0, 2048), 0, 0x0800, 0xe, 16, data) #0x1800, 0xe, 16, data)

    genPkt.gen("./generated/shin/sm3_pkt.vh", 1)
    
    
    #-------------------------------------------------------------------------
    #>>>>>>同步数据包
    genPkt.clean()
    genPkt.setPktType(0)
    #subPkt参数：索引、索引类型、地址、命令、长度、数据
    genPkt.addSubPkt(0x0, 0, random.randint(0, 65535), 0xc, 12, b'\0'*12)
    genPkt.gen("./generated/shin/sync_pkt.vh", 1)

    #-------------------------------------------------------------------------
    #>>>>>>设置同步信号的数据包
    genPkt.clean()
    genPkt.setPktType(0)

    #subPkt参数：索引、索引类型、地址、命令、长度、数据
    data = bytearray(b"\0" * 100)
    data[0] = 0xff  #地址0x120
    
    data[16] = 0x00 #地址0x130, sync同步点
    data[17] = 0x80 #地址0x131
    #data[18] = 0x10
    
    data[24] = 0x80 #地址0x138, sync周期 4B
    data[25] = 0x00 #地址0x139
    
    data[28] = 0x01 #sync1偏移
    data[29] = 0x0

    data[36] = 0x02 #sync3偏移
    data[37] = 0x00
    
    genPkt.addSubPkt(random.randint(0, 2048), 0, 0x120, 0xe, 0x28, data)
    

    genPkt.gen("./generated/shin/sync_sig_pkt.vh", 1)


    #-------------------------------------------------------------------------
    #>>>>>>设置顺序地址
    genPkt.clean()
    genPkt.setPktType(0)

    data = bytearray(b"\0" * 2)
    data[0] = 0x3f
    data[1] = 0xff
    #subPkt参数：索引、索引类型、地址、命令、长度、数据
    genPkt.addSubPkt(0x0, 0, random.randint(0, 65535), 0xb, 2, data)


    genPkt.gen("./generated/shin/set_addr_pkt.vh", 1)


    #-------------------------------------------------------------------------
    #>>>>>>广播读
    genPkt.clean()
    genPkt.setPktType(0)
    
    #subPkt参数：索引、索引类型、地址、命令、长度、数据
    genPkt.addSubPkt(0x0, 0, 0xc0, 0xd, 4, b"\0"*4)
    genPkt.addSubPkt(0x1, 0, 0xc0, 0x0, 4, b"\0"*4)
    genPkt.addSubPkt(0x2, 0, 0xc0, 0x0, 4, b"\0"*4)
    genPkt.addSubPkt(0x3, 0, 0xc0, 0x0, 4, b"\0"*4)
    genPkt.addSubPkt(0x4, 0, 0xc0, 0x0, 4, b"\0"*4)
    genPkt.addSubPkt(random.randint(0, 2048), 0, 0xc0, 0xd, 4, b"\0"*4)
    genPkt.addSubPkt(random.randint(0, 2048), 0, 0xc0, 0xd, 4, b"\0"*4)
    genPkt.addSubPkt(random.randint(0, 2048), 0, 0xc0, 0xd, 4, b"\0"*4)
    genPkt.addSubPkt(random.randint(0, 2048), 0, 0xc0, 0xd, 4, b"\0"*4)

    genPkt.gen("./generated/shin/bc_r_pkt.vh", 1)
    
    
    #-------------------------------------------------------------------------
    #>>>>>>广播写
    genPkt.clean()
    genPkt.setPktType(0)
    
    #subPkt参数：索引、索引类型、地址、命令、长度、数据
    data = bytearray(b"\0" * 2)
    data[0] = 32
    data[1] = 0
    genPkt.addSubPkt(random.randint(0, 2048), 0, 0x0302, 0xe, 2, data)
    
    data = bytearray(b"\0"*100)
    for i in range(100):
        data[i] = i + 1
    genPkt.addSubPkt(random.randint(0, 2048), 0, 0x0800, 0xe, 32, data)

    genPkt.gen("./generated/shin/bc_w_pkt.vh", 1)