204 lines
6.1 KiB
Lua
204 lines
6.1 KiB
Lua
-- scriptname script_6_fake_torque_motor1.lua
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-- sometimes we want to cut a CAN bus and install rusEFI into that cut
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-- https://en.wikipedia.org/wiki/Man-in-the-middle_attack
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-- include misc-util.lua
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-- endinclude
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-- include PG35-CANbus-ids.lua
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-- endinclude
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-- this controls onCanRx rate as well!
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setTickRate(100)
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VEHICLE_BUS = 1
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TCU_BUS = 2
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motor1Data = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
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canMotorInfo02 = { 0x00, 0x00, 0x00, 0x14, 0x1C, 0x93, 0x48, 0x14 }
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canMotorInfo1 = { 0x99, 0x14, 0x00, 0x7F, 0x00, 0xF0, 0x47, 0x01 }
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canMotorInfo3 = { 0x9B, 0x14, 0x00, 0x11, 0x1F, 0xE0, 0x0C, 0x46 }
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motor6Data = { 0x00, 0x00, 0x00, 0x7E, 0xFE, 0xFF, 0xFF, 0x00 }
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motor7Data = { 0x1A, 0x66, 0x7E, 0x00, 0x00, 0x00, 0x00, 0x00 }
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totalVehicleMessages = 0
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totalTcuMessages = 0
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totalDropped = 0
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totalReplaced = 0
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motor5FuelCounter = 0
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function relayFromVehicleToTcu(bus, id, dlc, data)
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totalVehicleMessages = totalVehicleMessages + 1
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-- print('from ECU ' .. id .. " " .. arrayToString(data) .. " dropped=" .. totalDropped .. " replaced " .. totalReplaced)
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if id < 0x7FF then
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txCan(TCU_BUS, id, 0, data) -- relay non-TCU message to TCU
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end
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end
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function relayFromTcuToVehicle(bus, id, dlc, data)
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totalTcuMessages = totalTcuMessages + 1
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if id < 0x7FF then
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txCan(VEHICLE_BUS, id, 0, data) -- relay non-ECU message to ECU
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end
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end
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counter440 = 0
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function onTcu440(bus, id, dlc, data)
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isShiftActive = getBitRange(data, 0, 1)
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tcuError = getBitRange(data, 1, 1)
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EGSRequirement = getBitRange(data, 7, 1)
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counter440 = counter440 + 1
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if counter440 % 40 == 0 then
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print("TCU isShiftActive=" ..isShiftActive .." tcuError=" ..tcuError .." EGSRequirement=" ..EGSRequirement)
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end
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relayFromTcuToVehicle(bus, id, dlc, data)
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end
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function sendMotor1()
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engineTorque = fakeTorque * 0.9
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innerTorqWithoutExt = fakeTorque
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torqueLoss = 20
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requestedTorque = fakeTorque
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motor1Data[2] = engineTorque / 0.39
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setTwoBytes(motor1Data, 2, rpm / 0.25)
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motor1Data[5] = innerTorqWithoutExt / 0.4
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motor1Data[6] = tps / 0.4
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motor1Data[7] = torqueLoss / 0.39
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motor1Data[8] = requestedTorque / 0.39
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txCan(TCU_BUS, MOTOR_1, 0, motor1Data)
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end
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--motor5counter = 0
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motor5FuelCounter = 0
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function sendMotor5()
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-- motor5counter = (motor5counter + 1) % 16
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-- todo index = math.floor(motor5counter / 4)
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setBitRange(motor5Data, 5, 9, motor5FuelCounter)
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vagXorChecksum(motor5Data, 8)
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txCan(TCU_BUS, MOTOR_5, 0, motor5Data)
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end
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motor6Counter = 0
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function sendMotor6()
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motor6Counter = (motor6Counter + 1) % 16
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engineTorque = fakeTorque * 0.9
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actualTorque = fakeTorque
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feedbackGearbox = 255
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motor6Data[2] = math.floor(engineTorque / 0.39)
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motor6Data[3] = math.floor(actualTorque / 0.39)
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motor6Data[6] = math.floor(feedbackGearbox / 0.39)
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setBitRange(motor6Data, 60, 4, motor6Counter)
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vagXorChecksum(motor6Data, 1)
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txCan(TCU_BUS, MOTOR_6, 0, motor6Data)
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end
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function sendMotor7()
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txCan(TCU_BUS, MOTOR_7, 0, motor7Data)
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end
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canMotorInfoCounter = 0
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function sendMotorInfo()
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canMotorInfoTotalCounter = canMotorInfoTotalCounter + 1
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canMotorInfoCounter = (canMotorInfoCounter + 1) % 16
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baseByte = canMotorInfoTotalCounter < 6 and 0x80 or 0x90
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canMotorInfo02[1] = baseByte + (canMotorInfoCounter)
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canMotorInfo1[1] = baseByte + (canMotorInfoCounter)
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canMotorInfo3[1] = baseByte + (canMotorInfoCounter)
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mod4 = canMotorInfoCounter % 4
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if (mod4 == 0 or mod4 == 2) then
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txCan(TCU_BUS, Motor_Flexia, 0, canMotorInfo02)
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elseif (mod4 == 1) then
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txCan(TCU_BUS, Motor_Flexia, 0, canMotorInfo1)
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else
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txCan(TCU_BUS, Motor_Flexia, 0, canMotorInfo3)
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end
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end
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motor1counter = 0
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function onMotor1(bus, id, dlc, data)
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rpm = getBitRange(data, 16, 16) * 0.25
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if rpm == 0 then
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canMotorInfoTotalCounter = 0
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end
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tps = getBitRange(data, 40, 8) * 0.4
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fakeTorque = interpolate(0, 6, 100, 60, tps)
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motor1counter = motor1counter + 1
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if motor1counter % 40 == 0 then
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print('RPM=' ..rpm ..' TPS=' ..tps)
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end
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sendMotor1()
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end
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motor3counter = 0
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function onMotor3(bus, id, dlc, data)
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motor3counter = (motor3counter + 1) % 16
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iat = 30 -- getBitRange(data, 8, 8) * 0.75 - 48
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pps = 7 -- getBitRange(data, 16, 8) * 0.40
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tps = 7 -- getBitRange(data, 56, 8) * 0.40
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if motor3counter % 70 == 0 then
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print ('MOTOR_3 pps ' ..pps ..' tps ' ..tps ..' iat ' ..iat)
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end
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relayFromVehicleToTcu(bus, id, dlc, data)
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end
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canRxAdd(VEHICLE_BUS, Komf_1_912, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, ACC_GRA, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, GRA_Neu, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, Kombi_3, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, Soll_Verbauliste_neu, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, Systeminfo_1, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, Diagnose_1, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, BRAKE_1_416, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, BRAKE_2_1440, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, BRAKE_3_1184, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, BRAKE_5_1192, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, BRAKE_8_428, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, VWTP_OUT, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, VPTP_TCU, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, MOTOR_1, onMotor1)
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canRxAdd(VEHICLE_BUS, MOTOR_2, relayFromVehicleToTcu)
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canRxAdd(VEHICLE_BUS, MOTOR_3, onMotor3)
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canRxAdd(VEHICLE_BUS, MOTOR_5, relayFromVehicleToTcu)
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--canRxAdd(VEHICLE_BUS, MOTOR_5, relayFromVehicleToTcu)
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canRxAdd(TCU_BUS, VWTP_IN, relayFromTcuToVehicle)
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canRxAdd(TCU_BUS, VWTP_TESTER, relayFromTcuToVehicle)
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canRxAdd(TCU_BUS, TCU_1344_540, relayFromTcuToVehicle)
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canRxAdd(TCU_BUS, TCU_1352_548, relayFromTcuToVehicle)
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canRxAdd(TCU_BUS, TCU_1088_440, onTcu440)
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-- count what do we drop
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canRxAddMask(VEHICLE_BUS, 0, 0, silentDrop)
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canRxAddMask(TCU_BUS, 0, 0, printAndDrop)
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everySecondTimer = Timer.new()
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function onTick()
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-- sendMotor5()
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sendMotor6()
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sendMotor7()
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if everySecondTimer:getElapsedSeconds() > 1 then
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everySecondTimer:reset()
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print("Total from vehicle " .. totalVehicleMessages .. " from TCU " .. totalTcuMessages .. " dropped=" .. totalDropped .. " replaced " .. totalReplaced)
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motor5FuelCounter = motor5FuelCounter + 20
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sendMotorInfo()
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end
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end
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