def init(excel_name,sheet_name):
# 第一次开始行数变量
start_line_number = 11
# 连接redis数据库
pool = redis.ConnectionPool(host = '127.0.0.1',port=6379,db=0)
try:
r = redis.StrictRedis(connection_pool = pool)
except:
print("redis数据库连接错误")
sys.exit(1)
# 初始化消息
r.set("test","stop")# 发送线程开始消息
# r.set("status","start11")# 线程同步消息，线程交叉执行
r.set("status","%s%s"%("start",str(start_line_number)))# 线程同步消息，线程交叉执行
r.set("print_message_status","start")
r.set("receive_flow_control_flag",0)
# 判断数据库中有没有line_number数据，若有，先删除
if r.get("line_number") != None:
r.delete("line_number")
if r.get("service_number") != None:
r.delete("service_number")
if r.get("service_subfunction") != None:
r.delete("service_subfunction")
try:
# 实例化excel文件处理对象
wb = xw.Book(excel_name)
# 实例化具体的表格对象
sht = wb.sheets(sheet_name)
# 获取该表格的设置的用例数
# number = int(sht.range("Q2").value)
except:
print("初始化读取excel表格错误")
sys.exit(1)
# 获取当天日期
date_today = datetime.date.today()
# print(number)
# 初始化can通讯和运行can通讯
try:
ch = can.init()
ch = can.run(ch)
except:
print("can卡启动错误")
sys.exit(1)
return [r,wb,sht,date_today,ch,start_line_number]
def printMessage(threadName,
ch,
physical_id=0x79D,
function_id=0x760,
excel_name=None,
sheet_name=None):
# 这个对象需要重新实例化
wb = xw.Book(excel_name)
sht = wb.sheets(sheet_name)
# 保存接收到的不同的包地址的集合
different_can_message_address_by_receive = set()
# 初始化一个空字典，用于保存间隔时间计算结果
init_dic = {}
# 实例化uds服务对象
uds = UdsLib(ch=ch, id=physical_id)
while True:
# 启动信号
if str(r.get("print_message_status"), encoding="utf-8") == "start":
try:
frame = ch.read(timeout=500)
except:
# print("can通讯异常")
ch = can.init()
ch = can.run(ch)
continue
# break
# print("{id:02x} {dlc} {data} {timestamp}".format(
# id=frame.id,
# dlc=frame.dlc,
# data=' '.join('%02x' % i for i in frame.data),
# timestamp=frame.timestamp
# ))
# 接收到响应报文
if frame.id == response_id:
# 向发送线程设置发送等待消息
r.set("status", "wait")
line_number = str(r.get("line_number"), encoding="utf-8")
# print("{id:02x} {dlc} {data} {timestamp}".format(
# id=frame.id,
# dlc=frame.dlc,
# data=' '.join('%02x' % i for i in frame.data),
# timestamp=frame.timestamp
# ))
# time.sleep(1)
# 对接收到的数据data转化成数据串
data = str("{data}".format(data=' '.join('%02x' % i
for i in frame.data)))
# 表格单元格赋值
sht.range("%s%s" % (current_sheet_table_title_dic["响应数据"],
line_number)).value = data
# 分割刚转换的字符串数据，方便后期判断
data = data.split(" ")
# uds服务
check_result = uds.check_message_status(
int(str(r.get("service_number"), encoding="utf-8")), data)
if check_result:
if int(data[1], 16) == 0x67 and int(data[2], 16) % 2 == 1:
# 判断接收到了27服务请求种子的肯定响应
sht.range("%s%s" %
(current_sheet_table_title_dic["响应方式"],
line_number)).value = "肯定响应"
sht.range("%s%s" %
(current_sheet_table_title_dic["故障码类型"],
line_number)).value = "-"
sht.range("%s%s" %
(current_sheet_table_title_dic["OK/NG"],
line_number)).value = "OK"
sht.range("%s%s" %
(current_sheet_table_title_dic["测试人员"],
line_number)).value = "huzhicheng"
sht.range("%s%s" %
(current_sheet_table_title_dic["测试时间"],
line_number)).value = date_today
# 将数据保存到表格
wb.save()
# 种子数组
seed = []
seed.append(int(data[3], 16))
seed.append(int(data[4], 16))
seed.append(int(data[5], 16))
seed.append(int(data[6], 16))
print("seed:", seed)
ch.write(
uds.security_access_calculate_key(id=physical_id,
seed=seed))
elif int(data[1],
16) == 0x67 and int(data[2], 16) % 2 == 0:
# 判断接收到了解锁肯定响应
sht.range("%s%s" %
(current_sheet_table_title_dic["备注"],
line_number)).value = "解锁成功"
# 将数据保存到表格
wb.save()
# 向发送线程设置下一个报文发送开始消息
r.set("status",
"%s%s" % ("start", str(int(line_number) + 1)))
elif uds.continuous_status == True and int(
data[0],
16) & 0x0F == uds.TP.continuous_frame_number:
# 判断检测到连续帧的最后一帧,执行不同的保存数据内容
sht.range("%s%s" %
(current_sheet_table_title_dic["响应方式"],
line_number)).value = "肯定响应"
sht.range("%s%s" %
(current_sheet_table_title_dic["故障码类型"],
line_number)).value = "-"
sht.range("%s%s" %
(current_sheet_table_title_dic["OK/NG"],
line_number)).value = "OK"
sht.range("%s%s" %
(current_sheet_table_title_dic["测试人员"],
line_number)).value = "huzhicheng"
sht.range("%s%s" %
(current_sheet_table_title_dic["测试时间"],
line_number)).value = date_today
sht.range("%s%s" %
(current_sheet_table_title_dic["响应数据"],
line_number)).value = str(
uds.TP.continuous_data)
print("continuous_data:", uds.TP.continuous_data)
print("continuous_data_number",
uds.TP.continuous_data_number)
print("continuous_frame_number",
uds.TP.continuous_frame_number)
# 将数据保存到表格
wb.save()
# 向发送线程设置下一个报文发送开始消息
r.set("status",
"%s%s" % ("start", str(int(line_number) + 1)))
# 重置连续帧标志
uds.continuous_status = False
# 重置uds.TP.continuous_data
uds.TP.continuous_data = []
pass
elif not uds.continuous_status:
# 一般的肯定响应
sht.range("%s%s" %
(current_sheet_table_title_dic["响应方式"],
line_number)).value = "肯定响应"
sht.range("%s%s" %
(current_sheet_table_title_dic["故障码类型"],
line_number)).value = "-"
sht.range("%s%s" %
(current_sheet_table_title_dic["OK/NG"],
line_number)).value = "OK"
sht.range("%s%s" %
(current_sheet_table_title_dic["测试人员"],
line_number)).value = "huzhicheng"
sht.range("%s%s" %
(current_sheet_table_title_dic["测试时间"],
line_number)).value = date_today
# 将数据保存到表格
wb.save()
# 向发送线程设置下一个报文发送开始消息
r.set("status",
"%s%s" % ("start", str(int(line_number) + 1)))
elif uds.NRC == 0x78:
uds.NRC = None
time.sleep(0.01) # 等待10ms
elif int(data[1], 16) == 0x7f:
sht.range("%s%s" % (current_sheet_table_title_dic["响应方式"],
line_number)).value = "否定响应"
sht.range("%s%s" % (current_sheet_table_title_dic["故障码类型"],
line_number)).value = "-"
sht.range("%s%s" % (current_sheet_table_title_dic["OK/NG"],
line_number)).value = "OK"
sht.range("%s%s" % (current_sheet_table_title_dic["测试人员"],
line_number)).value = "huzhicheng"
sht.range("%s%s" % (current_sheet_table_title_dic["测试时间"],
line_number)).value = date_today
sht.range("%s%s" %
(current_sheet_table_title_dic["故障码类型"],
line_number)).value = uds.NRC_table[uds.NRC]
# 将数据保存到表格
wb.save()
# 向发送线程设置下一个报文发送开始消息
r.set("status",
"%s%s" % ("start", str(int(line_number) + 1)))
else: #既不是肯定响应也不是否定响应
# 判断s是否接收到ECU发来的流控帧
[flow_control_flag, flow_state, block_size,
STmin] = uds.TP.check_flow_control_frame(data)
if flow_control_flag: # 判断检测到流控帧
r.set("receive_flow_control_flag", 1)
# 打印响应报文
print("{id:02x} {dlc} {data} {timestamp}".format(
id=frame.id,
dlc=frame.dlc,
data=' '.join('%02x' % i for i in frame.data),
timestamp=frame.timestamp))
# wb.close()
# print("执行中")
else:
"""
第一种使用time库计算报文间隔时间的方法，该方法不怎么准
"""
# 以下代码用于计算包间隔时间
# id = "{id:02x}".format(id = frame.id)
# if id not in different_can_message_address_by_receive:
# # 将包id字符串添加入different_can_message_address_by_receive集合中
# different_can_message_address_by_receive.add(id)
# begin_time = time.time()
# dic = {"begin_time":begin_time,"run_time":0.0}
# init_dic[id] = dic
# # elif float(str(r.hget(id,"run_time"),encoding="utf8")) == 0.0:
# elif init_dic[id]["run_time"] == 0.0:
# end_time = time.time()
# run_time = end_time - init_dic[id]["begin_time"]
# init_dic[id]["run_time"] = run_time
# print(init_dic)
"""
第二种使用接收到包的时间戳计算报文间隔时间的方法，建议使用该方法
"""
id = "{id:02x}".format(id=frame.id)
if id not in different_can_message_address_by_receive:
# 将包id字符串添加入different_can_message_address_by_receive集合中
different_can_message_address_by_receive.add(id)
dic = {
"begin_time":
float("{timestamp}".format(timestamp=frame.timestamp)),
"run_time":
0.0
}
init_dic[id] = dic
elif init_dic[id]["run_time"] == 0.0:
run_time = float(
"{timestamp}".format(timestamp=frame.timestamp
)) - init_dic[id]["begin_time"]
init_dic[id]["run_time"] = run_time
print(init_dic)
# print("{id:02x} {dlc} {data} {timestamp}".format(
# id=frame.id,
# dlc=frame.dlc,
# data=' '.join('%02x' % i for i in frame.data),
# timestamp=frame.timestamp
# ))
else:
break
number = int(sht.range("Q2").value)
print(number)
# send_data = sht.range("K11").value
# 字符串分割
# send_data = send_data.split(" ")
# print(send_data)
# for n in range(len(send_data)):
# send_data[n] = int(send_data[n],16)
ch = can.init()
ch = can.run(ch)
# frame = Frame(id_=0x79D,
# data=[send_data[0],send_data[1],
# send_data[2],send_data[3], send_data[4], send_data[5],
# send_data[6],send_data[7]],
# dlc=8,
# flags=0)
# wb.close()
# for j in range(5):
# # frame = Frame(id_=0x79D,
# # data=[0x02,0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00],
# # dlc=8,
# # flags=0)
def open(self):
self.ch = can.init()
self.ch = can.run(ch)
def printMessage(threadName, ch, physical_id=0x79D, function_id=0x760):
# 这个对象需要重新实例化
wb = xw.Book("./uds_test2.xlsx")
sht = wb.sheets("1_1_DiagAndCommMgtFuncUnit")
# 保存接收到的不同的包地址的集合
different_can_message_address_by_receive = set()
# 初始化一个空字典，用于保存间隔时间计算结果
init_dic = {}
# 实例化uds服务对象
uds = UdsLib(ch, physical_id)
while True:
# 启动信号
if str(r.get("print_message_status"), encoding="utf-8") == "start":
try:
frame = ch.read(timeout=500)
except:
# print("can通讯异常")
ch = can.init()
ch = can.run(ch)
continue
# break
# print("{id:02x} {dlc} {data} {timestamp}".format(
# id=frame.id,
# dlc=frame.dlc,
# data=' '.join('%02x' % i for i in frame.data),
# timestamp=frame.timestamp
# ))
# 接收到响应报文
if frame.id == response_id:
# 向发送线程设置发送等待消息
r.set("status", "wait")
line_number = str(r.get("line_number"), encoding="utf-8")
# print("{id:02x} {dlc} {data} {timestamp}".format(
# id=frame.id,
# dlc=frame.dlc,
# data=' '.join('%02x' % i for i in frame.data),
# timestamp=frame.timestamp
# ))
# time.sleep(1)
# 对接收到的数据data转化成数据串
data = str("{data}".format(data=' '.join('%02x' % i
for i in frame.data)))
# 表格单元格赋值
sht.range("%s%s" % ("N", line_number)).value = data
# 分割刚转换的字符串数据，方便后期判断
data = data.split(" ")
# uds服务
check_result = uds.check_message_status(
int(str(r.get("service_number"), encoding="utf-8")), data)
if check_result:
if int(data[1], 16) == 0x67 and int(data[2], 16) % 2 == 1:
# 判断接收到了27服务请求种子的肯定响应
sht.range("%s%s" % ("L", line_number)).value = "肯定响应"
sht.range("%s%s" % ("M", line_number)).value = "-"
sht.range("%s%s" % ("O", line_number)).value = "OK"
sht.range("%s%s" %
("P", line_number)).value = "huzhicheng"
sht.range("%s%s" %
("Q", line_number)).value = date_today
# 将数据保存到表格
wb.save()
# 种子数组
seed = []
seed.append(int(data[3], 16))
seed.append(int(data[4], 16))
seed.append(int(data[5], 16))
seed.append(int(data[6], 16))
print("seed:", seed)
ch.write(
uds.security_access_calculate_key(id=physical_id,
seed=seed))
elif int(data[1],
16) == 0x67 and int(data[2], 16) % 2 == 0:
# 判断接收到了解锁肯定响应
sht.range("%s%s" % ("S", line_number)).value = "解锁成功"
# 将数据保存到表格
wb.save()
# 向发送线程设置下一个报文发送开始消息
r.set("status",
"%s%s" % ("start", str(int(line_number) + 1)))
else:
# 一般的肯定响应
sht.range("%s%s" % ("L", line_number)).value = "肯定响应"
sht.range("%s%s" % ("M", line_number)).value = "-"
sht.range("%s%s" % ("O", line_number)).value = "OK"
sht.range("%s%s" %
("P", line_number)).value = "huzhicheng"
sht.range("%s%s" %
("Q", line_number)).value = date_today
# 将数据保存到表格
wb.save()
# 向发送线程设置下一个报文发送开始消息
r.set("status",
"%s%s" % ("start", str(int(line_number) + 1)))
# sht.range("%s%s" % ("L",line_number)).value = "肯定响应"
# sht.range("%s%s" % ("M",line_number)).value = "-"
# sht.range("%s%s" % ("O",line_number)).value = "OK"
# sht.range("%s%s" % ("P",line_number)).value = "huzhicheng"
# sht.range("%s%s" % ("Q",line_number)).value = date_today
# print(data)
# time.sleep(1)
# 将数据保存到表格
# wb.save()
# 向发送线程设置下一个报文发送开始消息
# r.set("status","%s%s" % ("start",str(int(line_number)+1)))
elif uds.NRC == 0x78:
uds.NRC = None
time.sleep(0.01) # 等待10ms
else:
sht.range("%s%s" % ("L", line_number)).value = "否定响应"
sht.range("%s%s" % ("M", line_number)).value = "-"
sht.range("%s%s" % ("O", line_number)).value = "OK"
sht.range("%s%s" % ("P", line_number)).value = "huzhicheng"
sht.range("%s%s" % ("Q", line_number)).value = date_today
sht.range(
"%s%s" %
("M", line_number)).value = uds.NRC_table[uds.NRC]
# 将数据保存到表格
wb.save()
# 向发送线程设置下一个报文发送开始消息
r.set("status",
"%s%s" % ("start", str(int(line_number) + 1)))
# wb.close()
# print("执行中")
else:
"""
第一种使用time库计算报文间隔时间的方法，该方法不怎么准
"""
# 以下代码用于计算包间隔时间
# id = "{id:02x}".format(id = frame.id)
# if id not in different_can_message_address_by_receive:
# # 将包id字符串添加入different_can_message_address_by_receive集合中
# different_can_message_address_by_receive.add(id)
# begin_time = time.time()
# dic = {"begin_time":begin_time,"run_time":0.0}
# init_dic[id] = dic
# # elif float(str(r.hget(id,"run_time"),encoding="utf8")) == 0.0:
# elif init_dic[id]["run_time"] == 0.0:
# end_time = time.time()
# run_time = end_time - init_dic[id]["begin_time"]
# init_dic[id]["run_time"] = run_time
# print(init_dic)
"""
第二种使用接收到包的时间戳计算报文间隔时间的方法，建议使用该方法
"""
id = "{id:02x}".format(id=frame.id)
if id not in different_can_message_address_by_receive:
# 将包id字符串添加入different_can_message_address_by_receive集合中
different_can_message_address_by_receive.add(id)
dic = {
"begin_time":
float("{timestamp}".format(timestamp=frame.timestamp)),
"run_time":
0.0
}
init_dic[id] = dic
elif init_dic[id]["run_time"] == 0.0:
run_time = float(
"{timestamp}".format(timestamp=frame.timestamp
)) - init_dic[id]["begin_time"]
init_dic[id]["run_time"] = run_time
print(init_dic)
else:
break