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UDS.py
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UDS.py
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#!/usr/bin/python
#coding=utf-8
#junfeng.luan 2019.07.23
import File_data
from enum import IntEnum
import ISO15765_Tp
import threading
import time
import copy
import datetime
class Uds_Tester_Step(IntEnum):
UDS_STEP_EXT_SESSION = 0x00 #10 03
UDS_STEP_PROGRAME_PRECONDITION = 0x01 #31 01 ff 02
UDS_STEP_CONTROL_STOP_DTC = 0x02 #85 02
UDS_STEP_COMMUNICATION_STOP_CRL = 0x03 #28 03 03
UDS_STEP_PROG_SESSION = 0x04 #10 02
UDS_STEP_SECURITY1_REQ_SEED = 0x05 #27 01
UDS_STEP_SECURITY1_SEND_KEY = 0x06 #27 02
UDS_STEP_REQ_DOWNLOAD = 0x07 #34 00 44 XXXXXXXX
UDS_STEP_TRANSFER_DATA = 0x08 #36
UDS_STEP_TRANSFER_EXT = 0x09 #37
UDS_STEP_CHECK_PROG_INTEGRITY = 0x0A #31 01 F0 01
UDS_STEP_WRITER_FINGER = 0x0B #2E
UDS_STEP_READ_DID = 0x0C #22
UDS_STEP_ERASE_MEMORY = 0x0D #31 01 FF 00 44 XXXX
UDS_STEP_CHECK_PROG_DEPENDENCE = 0x0E #31 01 FF 01
UDS_STEP_ECU_RESET = 0x0F #11 01
UDS_STEP_DEFAULT_SESSION = 0x10 #10 01
UDS_STEP_14_CLEAR_SRV = 0x11 #14 FF FF FF
UDS_STEP_19_READ_DTC = 0x12 #19 XX XX XX
UDS_STEP_22_READ_DID1 = 0x13 #22 F1 80
UDS_STEP_COMMUNICATION_START_CRL = 0x14 #28 01 01
UDS_STEP_CONTROL_START_DTC = 0x15 #85 01
UDS_STEP_IDLE = 0xFF
class Uds_Tester_Send_Rec(IntEnum):
UDS_IDLE = 0
UDS_SEND = 1
UDS_RECV = 2
class Uds_Tester_ID_Type(IntEnum):
UDS_FUN = 0
UDS_PHY = 1
send_data_info = {
Uds_Tester_Step.UDS_STEP_EXT_SESSION :[Uds_Tester_ID_Type.UDS_PHY,0x10, 0x03],
Uds_Tester_Step.UDS_STEP_PROGRAME_PRECONDITION :[Uds_Tester_ID_Type.UDS_PHY,0x31, 0x01, 0xff, 0x02],
Uds_Tester_Step.UDS_STEP_CONTROL_STOP_DTC :[Uds_Tester_ID_Type.UDS_FUN,0x85, 0x02],
Uds_Tester_Step.UDS_STEP_COMMUNICATION_STOP_CRL :[Uds_Tester_ID_Type.UDS_FUN,0x28, 0x03, 0x03],
Uds_Tester_Step.UDS_STEP_PROG_SESSION :[Uds_Tester_ID_Type.UDS_PHY,0x10, 0x02],
Uds_Tester_Step.UDS_STEP_SECURITY1_REQ_SEED :[Uds_Tester_ID_Type.UDS_PHY,0x27, 0x09],
Uds_Tester_Step.UDS_STEP_SECURITY1_SEND_KEY :[Uds_Tester_ID_Type.UDS_PHY,0x27, 0x0A,0x00,0x00,0x00,0x00],
Uds_Tester_Step.UDS_STEP_REQ_DOWNLOAD :[Uds_Tester_ID_Type.UDS_PHY,0x34, 0x00, 0x44, 0x01, 0x02, 0x03, 0x04,0x11,0x12,0x13,0x14],
Uds_Tester_Step.UDS_STEP_TRANSFER_DATA :[Uds_Tester_ID_Type.UDS_PHY,0x36, 0x00],
Uds_Tester_Step.UDS_STEP_TRANSFER_EXT :[Uds_Tester_ID_Type.UDS_PHY,0x37],
Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY :[Uds_Tester_ID_Type.UDS_PHY,0x31, 0x01, 0xF0, 0x01,0x00,0x00,0x00,0x00],
Uds_Tester_Step.UDS_STEP_WRITER_FINGER :[Uds_Tester_ID_Type.UDS_PHY,0x2E, 0xF1, 0x5A,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09],
Uds_Tester_Step.UDS_STEP_READ_DID :[Uds_Tester_ID_Type.UDS_PHY,0x22, 0xF1, 0x5B],
Uds_Tester_Step.UDS_STEP_ERASE_MEMORY :[Uds_Tester_ID_Type.UDS_PHY,0x31, 0x01, 0xFF, 0x00, 0x44, 0x10, 0x11, 0x12, 0x13, 0x14, 0x21, 0x22, 0x23],
Uds_Tester_Step.UDS_STEP_CHECK_PROG_DEPENDENCE :[Uds_Tester_ID_Type.UDS_PHY,0x31, 0x01, 0xFF, 0x01],
Uds_Tester_Step.UDS_STEP_ECU_RESET :[Uds_Tester_ID_Type.UDS_FUN,0x11, 0x01],
Uds_Tester_Step.UDS_STEP_DEFAULT_SESSION :[Uds_Tester_ID_Type.UDS_PHY,0x10, 0x01],
Uds_Tester_Step.UDS_STEP_14_CLEAR_SRV :[Uds_Tester_ID_Type.UDS_PHY,0x14, 0xFF, 0xFF, 0xFF],
Uds_Tester_Step.UDS_STEP_19_READ_DTC :[Uds_Tester_ID_Type.UDS_PHY,0x19, 0x0A],
Uds_Tester_Step.UDS_STEP_22_READ_DID1 :[Uds_Tester_ID_Type.UDS_PHY,0x22, 0xF1, 0x87],
Uds_Tester_Step.UDS_STEP_IDLE :[Uds_Tester_ID_Type.UDS_PHY,0x10, 0x01]
}
updata_flow = {
0x00 : Uds_Tester_Step.UDS_STEP_EXT_SESSION ,
0x01 : Uds_Tester_Step.UDS_STEP_PROGRAME_PRECONDITION ,
0x02 : Uds_Tester_Step.UDS_STEP_CONTROL_STOP_DTC ,
0x03 : Uds_Tester_Step.UDS_STEP_COMMUNICATION_STOP_CRL ,
0x04 : Uds_Tester_Step.UDS_STEP_READ_DID ,
0x05 : Uds_Tester_Step.UDS_STEP_PROG_SESSION ,
0x06 : Uds_Tester_Step.UDS_STEP_SECURITY1_REQ_SEED ,
0x07 : Uds_Tester_Step.UDS_STEP_SECURITY1_SEND_KEY ,
#0x08 : Uds_Tester_Step.UDS_STEP_ERASE_MEMORY ,
0x08 : Uds_Tester_Step.UDS_STEP_REQ_DOWNLOAD ,
0x09 : Uds_Tester_Step.UDS_STEP_TRANSFER_DATA ,
0x0A : Uds_Tester_Step.UDS_STEP_TRANSFER_EXT ,
0x0B : Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY,
0x0C : Uds_Tester_Step.UDS_STEP_WRITER_FINGER ,
0x0D : Uds_Tester_Step.UDS_STEP_ERASE_MEMORY ,
0x0E : Uds_Tester_Step.UDS_STEP_REQ_DOWNLOAD ,
0x0F : Uds_Tester_Step.UDS_STEP_TRANSFER_DATA ,
0x10 : Uds_Tester_Step.UDS_STEP_TRANSFER_EXT ,
0x11 : Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY,
#0x12 : Uds_Tester_Step.UDS_STEP_ERASE_MEMORY ,
#0x13 : Uds_Tester_Step.UDS_STEP_REQ_DOWNLOAD ,
#0x14 : Uds_Tester_Step.UDS_STEP_TRANSFER_DATA ,
#0x15 : Uds_Tester_Step.UDS_STEP_TRANSFER_EXT ,
#0x16 : Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY,
0x12 : Uds_Tester_Step.UDS_STEP_CHECK_PROG_DEPENDENCE ,
#0x17 : Uds_Tester_Step.UDS_STEP_IDLE,
0x13 : Uds_Tester_Step.UDS_STEP_ECU_RESET ,
0x14 : Uds_Tester_Step.UDS_STEP_DEFAULT_SESSION ,
0x15 : Uds_Tester_Step.UDS_STEP_14_CLEAR_SRV ,
0x16 : Uds_Tester_Step.UDS_STEP_19_READ_DTC ,
0x17 : Uds_Tester_Step.UDS_STEP_IDLE,
0xFF : Uds_Tester_Step.UDS_STEP_IDLE ,
}
class Uds(threading.Thread):
def __init__(self):
super(Uds,self).__init__()
self.DCM_receive_flag = 0
self.DCM_receive_Data = []
self.UDS_Tester_Step = 0
self.UDS_Tester_Send_Or_Receive_Ctrl = Uds_Tester_Send_Rec.UDS_IDLE
self.Srv36_Block_Size = 0
self.Srv36_Block_Tx_status = 0
self.Srv36_File_Sector_Num = 0
self.Srv36_File_Sector_Size = 0
self.Srv36_File_Type = 0
self.Current_file_data = 0
self.Srv36_index = 1
self.req_seed = []
self.uds_running = True
self.CAN_Transmit = ISO15765_Tp.CAN_Tp()
self.CAN_Transmit.daemon = True
self.CAN_Transmit.start()
def Dcm_RxIndication(self):
ret = self.CAN_Transmit.CanIf_Indication_To_Dcm()
self.DCM_receive_flag = copy.deepcopy(ret[0])
self.DCM_receive_Data = copy.deepcopy(ret[1])
#print("DCM_Data:{0}".format(self.DCM_receive_Data))
self.CAN_Transmit.CanIf_Clear_Indica_To_Dcm_Flag()#maybe lost data
def UDS_Tester_Send_Request(self,step):
id_key = send_data_info[step][0]
temp_ID = 0
if id_key:
temp_ID = File_data.PHY_ID
else:
temp_ID = File_data.FUN_ID
if step == Uds_Tester_Step.UDS_STEP_REQ_DOWNLOAD:
print("self.Srv36_File_Type:{0}".format(self.Srv36_File_Type))
if self.Srv36_File_Type == 0:#driver file
if len(File_data.DRV_start_address_record)!=0:
send_data_info[step][4] = (File_data.DRV_start_address_record[0] & 0xFF000000)>>24
send_data_info[step][5] = (File_data.DRV_start_address_record[0] & 0x00FF0000)>>16
send_data_info[step][6] = (File_data.DRV_start_address_record[0] & 0x0000FF00)>>8
send_data_info[step][7] = (File_data.DRV_start_address_record[0] & 0x000000FF)
send_data_info[step][8] = ((File_data.DRV_End_address_record[0] - File_data.DRV_start_address_record[0]+1) & 0xFF000000)>>24
send_data_info[step][9] = ((File_data.DRV_End_address_record[0] - File_data.DRV_start_address_record[0]+1) & 0x00FF0000)>>16
send_data_info[step][10] = ((File_data.DRV_End_address_record[0] - File_data.DRV_start_address_record[0]+1) & 0x0000FF00)>>8
send_data_info[step][11] = ((File_data.DRV_End_address_record[0] - File_data.DRV_start_address_record[0]+1) & 0x000000FF)
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
#print("DRV data:{0}".format(File_data.DRV_start_address_record))
self.Srv36_File_Sector_Num = len(File_data.DRV_start_address_record)
self.Srv36_File_Sector_Size = File_data.DRV_End_address_record.pop(0)-File_data.DRV_start_address_record.pop(0)+1
self.Srv36_Block_Tx_status = 1
self.Current_file_data = File_data.DCM_Driver_File[0:(self.Srv36_File_Sector_Size*2)]
File_data.DCM_Driver_File = File_data.DCM_Driver_File[(self.Srv36_File_Sector_Size*2):]
else:
self.Srv36_File_Type = 1
if self.Srv36_File_Type == 1:#App File
if len(File_data.APP_start_address_record)!=0:
send_data_info[step][4] = (File_data.APP_start_address_record[0] & 0xFF000000)>>24
send_data_info[step][5] = (File_data.APP_start_address_record[0] & 0x00FF0000)>>16
send_data_info[step][6] = (File_data.APP_start_address_record[0] & 0x0000FF00)>>8
send_data_info[step][7] = (File_data.APP_start_address_record[0] & 0x000000FF)
send_data_info[step][8] = ((File_data.APP_End_address_record[0] - File_data.APP_start_address_record[0]+1) & 0xFF000000)>>24
send_data_info[step][9] = ((File_data.APP_End_address_record[0] - File_data.APP_start_address_record[0]+1) & 0x00FF0000)>>16
send_data_info[step][10] = ((File_data.APP_End_address_record[0] - File_data.APP_start_address_record[0]+1) & 0x0000FF00)>>8
send_data_info[step][11] = ((File_data.APP_End_address_record[0] - File_data.APP_start_address_record[0]+1) & 0x000000FF)
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
self.Srv36_File_Sector_Num = len(File_data.APP_start_address_record)
self.Srv36_File_Sector_Size = File_data.APP_End_address_record.pop(0)-File_data.APP_start_address_record.pop(0)+1
self.Srv36_Block_Tx_status = 1
self.Current_file_data = File_data.DCM_App_File[0:self.Srv36_File_Sector_Size*2]
File_data.DCM_App_File = File_data.DCM_App_File[self.Srv36_File_Sector_Size*2:]
else:
self.Srv36_File_Type = 2
if self.Srv36_File_Type == 2:#Call File
if len(File_data.CAL_start_address_record)!=0:
send_data_info[step][4] = (File_data.CAL_start_address_record[0] & 0xFF000000)>>24
send_data_info[step][5] = (File_data.CAL_start_address_record[0] & 0x00FF0000)>>16
send_data_info[step][6] = (File_data.CAL_start_address_record[0] & 0x0000FF00)>>8
send_data_info[step][7] = (File_data.CAL_start_address_record[0] & 0x000000FF)
send_data_info[step][8] = ((File_data.CAL_End_address_record[0] - File_data.CAL_start_address_record[0]+1) & 0xFF000000)>>24
send_data_info[step][9] = ((File_data.CAL_End_address_record[0] - File_data.CAL_start_address_record[0]+1) & 0x00FF0000)>>16
send_data_info[step][10] = ((File_data.CAL_End_address_record[0] - File_data.CAL_start_address_record[0]+1) & 0x0000FF00)>>8
send_data_info[step][11] = ((File_data.CAL_End_address_record[0] - File_data.CAL_start_address_record[0]+1) & 0x000000FF)
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
self.Srv36_File_Sector_Num = len(File_data.CAL_start_address_record)
self.Srv36_File_Sector_Size = File_data.CAL_End_address_record.pop(0)-File_data.CAL_start_address_record.pop(0)+1
self.Srv36_Block_Tx_status = 1
#print("size:{0} Cal_Data:{1}".format(self.Srv36_File_Sector_Size,File_data.DCM_Cal_File))
self.Current_file_data = File_data.DCM_Cal_File[0:(self.Srv36_File_Sector_Size*2)]
File_data.DCM_Cal_File = File_data.DCM_Cal_File[(self.Srv36_File_Sector_Size*2):]
else:
self.Srv36_File_Type = 3
#print("current file data:{0} size:{1}\r\n".format(self.Current_file_data,self.Srv36_File_Sector_Size))
elif step == Uds_Tester_Step.UDS_STEP_TRANSFER_DATA:
if self.Srv36_Block_Tx_status == 0:#no data transfer currently
print("No data transfer currently\r\n")
else:#have file data need to transfer
if self.Srv36_File_Sector_Num != 0:#this file data haven't over
if self.Srv36_File_Sector_Size > (self.Srv36_Block_Size-2):
print("Srv36 num sector:{0} size:{1}".format(self.Srv36_File_Sector_Num,self.Srv36_File_Sector_Size))
send_data_info[step] = send_data_info[step][0:3]
send_data_info[step][2] = self.Srv36_index
self.Srv36_File_Sector_Size -= (self.Srv36_Block_Size-2)
send_data_info[step].extend(list(bytes.fromhex(self.Current_file_data[0:(self.Srv36_Block_Size-2)*2])))
#print("Transmit1 data{0} datasize:{1} Srv36_File_Sector_Size{2}".format(send_data_info[step],len(send_data_info[step]),self.Srv36_File_Sector_Size))
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
File_data.File_Send_Size += self.Srv36_Block_Size
print("Send_data_size1:{0}\r\n".format(File_data.File_Send_Size))
self.Current_file_data = self.Current_file_data[(self.Srv36_Block_Size-2)*2:]
#print("self.Current_file_data1:{0} len:{1}".format(self.Current_file_data,len(self.Current_file_data)))
self.Srv36_index += 1
if self.Srv36_index > 0xFF:
self.Srv36_index = 0
else:#this sector last data
print("this sector last data\r\n")
send_data_info[step] = send_data_info[step][0:3]
send_data_info[step][2] = self.Srv36_index
send_data_info[step].extend(list(bytes.fromhex(self.Current_file_data[0:(self.Srv36_File_Sector_Size*2)])))
#print("Transmit2 data{0} datasize:{1} Srv36_File_Sector_Size{2}".format(send_data_info[step],len(send_data_info[step]),self.Srv36_File_Sector_Size))
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
File_data.File_Send_Size += self.Srv36_File_Sector_Size
print("Send_data_size2:{0}\r\n".format(File_data.File_Send_Size))
self.Current_file_data = self.Current_file_data[(self.Srv36_File_Sector_Size*2):]
#print("self.Current_file_data2:{0} len:{1}".format(self.Current_file_data,len(self.Current_file_data)))
self.Srv36_File_Sector_Size = 0
self.Srv36_index = 1
self.Srv36_File_Sector_Num -= 1
#self.UDS_Tester_Send_Request(Uds_Tester_Step.UDS_STEP_REQ_DOWNLOAD)
elif step == Uds_Tester_Step.UDS_STEP_SECURITY1_SEND_KEY:
ret = self.seed_to_key(self.req_seed)
send_data_info[step][3] = ret[0]
send_data_info[step][4] = ret[1]
send_data_info[step][5] = ret[2]
send_data_info[step][6] = ret[3]
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
elif step == Uds_Tester_Step.UDS_STEP_ERASE_MEMORY:
print("########ERASE MEMORY#########:File_Type:{0}\r\n".format(self.Srv36_File_Type))
if self.Srv36_File_Type == 0:#driver file
if len(File_data.DRV_start_address_record)!=0:
pass
else:
self.Srv36_File_Type = 1
if self.Srv36_File_Type == 1:#App File
if len(File_data.APP_start_address_record) != 0:
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][6] = (File_data.APP_start_address_record[0] & 0xFF000000)>>24
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][7] = (File_data.APP_start_address_record[0] & 0x00FF0000)>>16
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][8] = (File_data.APP_start_address_record[0] & 0x0000FF00)>>8
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][9] = (File_data.APP_start_address_record[0] & 0x000000FF)
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][10] = ((File_data.APP_End_address_record[-1] - File_data.APP_start_address_record[0]+1) & 0xFF000000)>>24
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][11] = ((File_data.APP_End_address_record[-1] - File_data.APP_start_address_record[0]+1) & 0x00FF0000)>>16
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][12] = ((File_data.APP_End_address_record[-1] - File_data.APP_start_address_record[0]+1) & 0x0000FF00)>>8
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][13] = ((File_data.APP_End_address_record[-1] - File_data.APP_start_address_record[0]+1) & 0x000000FF)
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
else:
self.Srv36_File_Type = 2
if self.Srv36_File_Type == 2:#Cal File
if len(File_data.CAL_start_address_record) != 0:
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][6] = (File_data.CAL_start_address_record[0] & 0xFF000000)>>24
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][7] = (File_data.CAL_start_address_record[0] & 0x00FF0000)>>16
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][8] = (File_data.CAL_start_address_record[0] & 0x0000FF00)>>8
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][9] = (File_data.CAL_start_address_record[0] & 0x000000FF)
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][10] = ((File_data.CAL_End_address_record[-1] - File_data.CAL_start_address_record[0]+1) & 0xFF000000)>>24
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][11] = ((File_data.CAL_End_address_record[-1] - File_data.CAL_start_address_record[0]+1) & 0x00FF0000)>>16
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][12] = ((File_data.CAL_End_address_record[-1] - File_data.CAL_start_address_record[0]+1) & 0x0000FF00)>>8
send_data_info[Uds_Tester_Step.UDS_STEP_ERASE_MEMORY][13] = ((File_data.CAL_End_address_record[-1] - File_data.CAL_start_address_record[0]+1) & 0x000000FF)
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
else:
self.Srv36_File_Type = 3
if self.Srv36_File_Type == 3:#No more file send，download over
self.UDS_Tester_Step = 0x17
self.CAN_Transmit.Tp_Transmit(send_data_info[updata_flow[self.UDS_Tester_Step]][1:], temp_ID)
elif step == Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY:
if self.Srv36_File_Type == 0:#driver file
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][5] = (File_data.DCM_Driver_File_CRC & 0xFF000000)>>24
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][6] = (File_data.DCM_Driver_File_CRC & 0x00FF0000)>>16
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][7] = (File_data.DCM_Driver_File_CRC & 0x0000FF00)>>8
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][8] = (File_data.DCM_Driver_File_CRC & 0x000000FF)
print("send_data_info:{0},,,{1}".format(send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][5],File_data.DCM_Driver_File_CRC))
elif self.Srv36_File_Type == 1:#App File
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][5] = (File_data.DCM_App_File_CRC & 0xFF000000)>>24
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][6] = (File_data.DCM_App_File_CRC & 0x00FF0000)>>16
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][7] = (File_data.DCM_App_File_CRC & 0x0000FF00)>>8
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][8] = (File_data.DCM_App_File_CRC & 0x000000FF)
elif self.Srv36_File_Type == 2:#Cal File
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][5] = (File_data.DCM_Cal_File_CRC & 0xFF000000)>>24
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][6] = (File_data.DCM_Cal_File_CRC & 0x00FF0000)>>16
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][7] = (File_data.DCM_Cal_File_CRC & 0x0000FF00)>>8
send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][8] = (File_data.DCM_Cal_File_CRC & 0x000000FF)
else:
pass
print("+++++++++++++++CRC+++++++++++file_type:{0},data:{1}".format(self.Srv36_File_Type,send_data_info[Uds_Tester_Step.UDS_STEP_CHECK_PROG_INTEGRITY][1:]))
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
pass
elif step == Uds_Tester_Step.UDS_STEP_ECU_RESET:
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
time.sleep(0.1)
elif step == Uds_Tester_Step.UDS_STEP_WRITER_FINGER:
date = datetime.datetime.now()
send_data_info[Uds_Tester_Step.UDS_STEP_WRITER_FINGER][4] = int((((date.year)%100)//10*16)+(date.year%10))
send_data_info[Uds_Tester_Step.UDS_STEP_WRITER_FINGER][5] = int((((date.month)//10)*16)+((date.month)%10))
send_data_info[Uds_Tester_Step.UDS_STEP_WRITER_FINGER][6] = int((((date.day)//10)*16)+((date.day)%10))
send_data_info[Uds_Tester_Step.UDS_STEP_WRITER_FINGER][7] = 0x12
send_data_info[Uds_Tester_Step.UDS_STEP_WRITER_FINGER][8] = 0x34
send_data_info[Uds_Tester_Step.UDS_STEP_WRITER_FINGER][9] = 0x56
send_data_info[Uds_Tester_Step.UDS_STEP_WRITER_FINGER][10] = 0x78
send_data_info[Uds_Tester_Step.UDS_STEP_WRITER_FINGER][11] = 0x9A
send_data_info[Uds_Tester_Step.UDS_STEP_WRITER_FINGER][12] = 0xBC
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
else:
self.CAN_Transmit.Tp_Transmit(send_data_info[step][1:], temp_ID)
#print("request ID:{0} request Key:{1} step:{2} value:{3}\r\n".format(hex(request_ID[id_key]),id_key,send_data_info[step],File_data.FUN_ID))
#print("tp send data:{0}".format(send_data_info[step][:]))
def run(self):
print("UDS Mainfunction Runing\n")
while self.uds_running:
time.sleep(0.0005)
self.Dcm_RxIndication()
if self.UDS_Tester_Send_Or_Receive_Ctrl == Uds_Tester_Send_Rec.UDS_IDLE:
pass
elif self.UDS_Tester_Send_Or_Receive_Ctrl == Uds_Tester_Send_Rec.UDS_SEND:
if updata_flow[self.UDS_Tester_Step] == Uds_Tester_Step.UDS_STEP_SECURITY1_SEND_KEY:
pass
elif updata_flow[self.UDS_Tester_Step] == Uds_Tester_Step.UDS_STEP_REQ_DOWNLOAD:
pass
elif updata_flow[self.UDS_Tester_Step] == Uds_Tester_Step.UDS_STEP_TRANSFER_DATA:
pass
elif updata_flow[self.UDS_Tester_Step] == Uds_Tester_Step.UDS_STEP_ERASE_MEMORY:
print("###ERASE MEMORY File Type:{0} Step:{1}".format(self.Srv36_File_Type,self.UDS_Tester_Step))
else:
pass
if updata_flow[self.UDS_Tester_Step] != Uds_Tester_Step.UDS_STEP_IDLE:
self.UDS_Tester_Send_Request(updata_flow[self.UDS_Tester_Step])
self.UDS_Tester_Send_Or_Receive_Ctrl = Uds_Tester_Send_Rec.UDS_RECV
else:
self.UDS_Tester_Send_Or_Receive_Ctrl = Uds_Tester_Send_Rec.UDS_IDLE
elif self.UDS_Tester_Send_Or_Receive_Ctrl == Uds_Tester_Send_Rec.UDS_RECV:
if self.DCM_receive_flag == 1:
#print("data:{0} compare:{1} step:{2}".format(self.DCM_receive_Data,send_data_info[updata_flow[self.UDS_Tester_Step]],self.UDS_Tester_Step))
if updata_flow[self.UDS_Tester_Step] == Uds_Tester_Step.UDS_STEP_SECURITY1_REQ_SEED:
pass
elif updata_flow[self.UDS_Tester_Step] == Uds_Tester_Step.UDS_STEP_REQ_DOWNLOAD:
pass
elif updata_flow[self.UDS_Tester_Step] == Uds_Tester_Step.UDS_STEP_TRANSFER_DATA:
pass
else:
pass
if self.DCM_receive_Data[0] == send_data_info[updata_flow[self.UDS_Tester_Step]][1]+0x40:
self.UDS_Tester_Send_Or_Receive_Ctrl = Uds_Tester_Send_Rec.UDS_SEND
if send_data_info[updata_flow[self.UDS_Tester_Step]][1] == 0x34:
self.Srv36_Block_Size = self.DCM_receive_Data[2]*256+self.DCM_receive_Data[3]
print("Srv 36 Block Size:{0}".format(self.Srv36_Block_Size))
else:
pass
if send_data_info[updata_flow[self.UDS_Tester_Step]][1] == 0x27:
print("cmd:{0},step:{1}\n".format(send_data_info[updata_flow[self.UDS_Tester_Step]][1],self.UDS_Tester_Step))
if updata_flow[self.UDS_Tester_Step] == Uds_Tester_Step.UDS_STEP_SECURITY1_REQ_SEED:
self.req_seed = self.DCM_receive_Data[2:6]
print("request seed:{0}\n".format(self.req_seed))
else:
pass
else:
pass
if send_data_info[updata_flow[self.UDS_Tester_Step]][1] != 0x36:
self.UDS_Tester_Step += 1
print("current srv:{0}".format(hex(send_data_info[updata_flow[self.UDS_Tester_Step]][1])))
else:
if self.Srv36_File_Sector_Num == 0:
self.UDS_Tester_Step += 1
else:
if self.Srv36_File_Sector_Size != 0:
pass
else:
self.UDS_Tester_Step -= 1
pass
print("Positive response next:{0}\r\n".format(self.UDS_Tester_Step))
elif self.DCM_receive_Data[0] == 0x7F and self.DCM_receive_Data[2] == 0x78:
print("Pendding\r\n")
else:
self.UDS_Tester_Step = 0xFF
self.UDS_Tester_Send_Or_Receive_Ctrl = Uds_Tester_Send_Rec.UDS_IDLE
#self.DCM_receive_Data.pop(0)
#if len(self.DCM_receive_Data) != 0:
# pass
#else:
self.DCM_receive_flag = 0
#self.CAN_Transmit.CanIf_Clear_Indica_To_Dcm_Flag()#maybe lost data
else:
pass
def Set_Uds_Tester_Step(self,step):
print("send_recv:{0}\n".format(self.UDS_Tester_Send_Or_Receive_Ctrl))
if self.UDS_Tester_Send_Or_Receive_Ctrl == Uds_Tester_Send_Rec.UDS_IDLE:
self.UDS_Tester_Step = step
self.UDS_Tester_Send_Or_Receive_Ctrl = Uds_Tester_Send_Rec.UDS_SEND
print("set Uds_Tester_step:{0}\r\n".format(self.UDS_Tester_Step))
self.return_status = 0
if len(File_data.DRV_start_address_record)!=0:
self.Srv36_File_Type = 0
elif len(File_data.APP_start_address_record)!=0:
self.Srv36_File_Type = 1
elif len(File_data.CAL_start_address_record)!=0:
self.Srv36_File_Type = 2
else:
self.Srv36_File_Type = 3
print("Srv36_File_Type:##{0}##\r\n".format(self.Srv36_File_Type))
else:
self.return_status = 1
return self.return_status
def reset(self):
self.__init__()
self.CAN_Transmit.__init__()
def terminate(self):
self.uds_running = False
self.CAN_Transmit.terminate()
self.CAN_Transmit.join(timeout=1)
self.join(timeout=1)
def seed_to_key(self,data):
'''
MASK = 0xE26662B7
wLSBit = 0
key_byte = [0,1,2,3]
seed_temp = data[0]<<24 | data[1]<<16 | data[2]<<8 | data[3]
#print("seed temp:{0}".format(hex(seed_temp)))
wSeed = seed_temp
wLastSeed = wSeed
temp = ((MASK & 0x00000800)>>10) | ((MASK & 0x00200000)>>21)
if temp == 0:
wTemp = ((wSeed | 0xFF000000)>>24)
elif temp == 1:
wTemp = ((wSeed | 0x00FF0000)>>16)
elif temp == 2:
wTemp = ((wSeed | 0x0000FF00)>>8)
else:
wTemp = ((wSeed | 0x000000FF))
SB1 = ((MASK & 0x000003Fc)>>2)
SB2 = (((MASK & 0x7F800000)>>23)^0xA5)
SB3 = (((MASK & 0x001FE000)>>13)^0x5A)
iterations = (((wTemp | SB1)^SB2)+SB3)
#print("sb1:{0}sb2:{1}sb3:{2}iterations:{3}".format(hex(SB1),hex(SB2),hex(SB3),iterations))
for jj in range(0,iterations):
wTemp = (((wLastSeed^0x40000000)//0x40000000)^((wLastSeed & 0x01000000)//0x01000000)^((wLastSeed & 0x1000)//0x1000)^((wLastSeed & 0x04)//0x04))&0xFFFFFFFF
wLSBit = wTemp ^ 0x00000001
wLastSeed = (wLastSeed << 1)&0xFFFFFFFF
wTop31Bits = wLastSeed ^ 0xFFFFFFFE
wLastSeed = wTop31Bits | wLSBit
#print("wLastSeed:{0}".format(hex(wLastSeed)))
if MASK & 0x00000001:
wTop31Bits = ((wLastSeed & 0x00FF0000)>>16)|((wLastSeed^0xFF000000)>>8)|((wLastSeed^0x000000FF)<<8)|((wLastSeed ^ 0x0000FF00)<<16)
else:
wTop31Bits = wLastSeed
#print("wTop31Bits:{0}".format(hex(wTop31Bits)))
wTop31Bits = wTop31Bits ^ MASK
key_byte[0] = (wTop31Bits & 0xFF000000)>>24
key_byte[1] = (wTop31Bits & 0x00FF0000)>>16
key_byte[2] = (wTop31Bits & 0x0000FF00)>>8
key_byte[3] = (wTop31Bits & 0x000000FF)
'''
key = 0
key_byte = [0,1,2,3]
seed_temp = data[0]<<24 | data[1]<<16 | data[2]<<8 | data[3]
if(seed_temp != 0):
for i in range(0,35):
if(seed_temp & 0x80000000):
if(seed_temp & 0x00000002):
seed_temp = ((seed_temp << 1)&0xFFFFFFFF)
seed_temp = (seed_temp^0xE1D5C303)&0xFFFFFFFF
else:
seed_temp = (seed_temp << 1)&0xFFFFFFFF
seed_temp = seed_temp^0x656777E9
else:
seed_temp = (seed_temp << 1)&0xFFFFFFFF
key_byte[0] = (seed_temp & 0xFF000000)>>24
key_byte[1] = (seed_temp & 0x00FF0000)>>16
key_byte[2] = (seed_temp & 0x0000FF00)>>8
key_byte[3] = (seed_temp & 0x000000FF)
return key_byte
def UDS_Send_Data(self,data):
self.CAN_Transmit.Tp_Transmit(data,File_data.PHY_ID)
if __name__=="__main__":
test_uds = Uds()
a=[0x0b,0x8A,0x90,0x7D]
ret = test_uds.seed_to_key(a)
print("test_uds:{0}".format(list(map(hex,ret))))