1. OpenXC
An open-source platform for rapid prototyping and do-it-yourself exploration
Chris Peplin, Ford Motor Company
May 13th, Mobile Monday, Detroit, MI
openxcplatform.com

2. Tinkerers Accessible Inaccessible 1966 Mustang, Inline 6
2013 Fusion Hybrid
Accessible
Inaccessible
openxcplatform.com

3. Tinkerers
Inaccessible
Accessible
openxcplatform.com

4. New Extensibility Accessible, read-only vehicle data
Enriched mobile applications
Vehicle diagnostics
Data logging, behavior analysis
Start-ups (car sharing, aftermarket additions)
An open, standardized "home" for new era of extensibility
openxcplatform.com

5. Vehicle Interface Piggyback on existing diagnostics port
No vehicle modification required
openxcplatform.com

6. Architecture
openxcplatform.com

7. Vehicle Support Vehicles Vehicle Data
Focus (gas and electric)
Fusion (gas and hybrid)
Fiesta
2012 Mustang
2011 Figo
2009 F-150
E350
2008 S-MAX
Untested:
, 2013 Fusion
Lincoln MKZ
2010, 2011, 2013 Mustang
Explorer
F-150
Flex
Lincoln MKT
2012 Edge
2012 Lincoln MKX
steering_wheel_angle
torque_at_transmission
engine_speed
vehicle_speed
accelerator_pedal_position
parking_brake_status
brake_pedal_status
transmission_gear_position
odometer
fine_odometer_since_restart
ignition_status
fuel_level
fuel_consumed_since_restart
door_status
headlamp_status
high_beam_status
windshield_wiper_status
latitude
longitude
button_event
openxcplatform.com

8. Controller Area Network
openxcplatform.com

9. CAN Message 0x
0x241
ID (11 bits) 0x
Data (64 bits)
Two types
Normal (multiplex) messages
Diagnostic messages
0x73
Signal
openxcplatform.com

10. On-board Diagnostics ELM327 OBD-II Adapter OBDMate Scantool
OBDLink Scantool
openxcplatform.com

11. Sports Car CAN Signals OpenXC Message steering_wheel_angle
bits in 0x242
Brake_Sensor_Data
bit 42 in 0x102
Engine_Vehicle_Speed_Throttle
bits in 0x210
Torque_Data_Engine_Flags
bits in 0x341
Cluster_Information
bits 8-15 in 0x240
steering_wheel_angle
brake_pedal_status
vehicle_speed
torque_at_transmission
fuel_level
Example definitions for illustrative purposes only
openxcplatform.com

12. Family Car CAN Signals OpenXC Message steering_wheel_angle
SteeringAngle
bits in 0x21
BpedDrvAppl_D_Actl
bits in 0x183
Veh_V_ActlEng
bits in 0x310
EngAout2_Tq_Actl
bits in 0x51
FuelLevelIndicated
bits in 0x754
steering_wheel_angle
brake_pedal_status
vehicle_speed
torque_at_transmission
fuel_level
Example definitions for illustrative purposes only
openxcplatform.com

13. European Sedan CAN Signals OpenXC Message steering_wheel_angle
SteeringAngle
bits 2-21 in 0x40
BRAKE_PEDAL_SW_STATUS
bit 23 in 0x240
Master_Vehicle_Speed
bits in 0x420
Actual_Torque_At_Transmission
bits in 0x231
Fuel_Level_Percentage
bits in 0x531
steering_wheel_angle
brake_pedal_status
vehicle_speed
torque_at_transmission
fuel_level
Example definitions for illustrative purposes only
openxcplatform.com

14. Architecture
openxcplatform.com

15. Output Format JavaScript Object Notation (JSON)
{"key": "value", "another_key": 42}
OpenXC Messages are JSON
{"vehicle_speed": 23.1}
openxcplatform.com

16. Off-the-shelf Hardware
Digilent chipKIT Max32
Microchip PIC32
Arduino-compatible
Digilent chipKIT Network Shield
Microchip MPC2551 CAN Transceivers
USB Interface
Cable connects to OBD-II Port
~$110 Total Cost
openxcplatform.com

17. Open Assembly
openxcplatform.com

18. Software Specifics
openxcplatform.com

19. Architecture
openxcplatform.com

20. Architecture
openxcplatform.com

21. Android Evolution Supports OpenXC via Bluetooth
1.5, Cupcake
2009
2.2, Froyo
2010
2.3, Gingerbread
2011
3.1, Honeycomb
4.0+ ICS
2012
Galaxy Nexus
400 million activations as of June, 75% smartphone market share
Nexus One
Thrive 10.1"
HTC Dream (G1)
Motorola Droid
Nexus 7
Supports OpenXC via Bluetooth
Supports OpenXC via USB
openxcplatform.com

22. On Demand VehicleSpeed measurement = (VehicleSpeed)
vehicle.get(VehicleSpeed.class);
openxcplatform.com

23. Asynchronous VehicleSpeed.Listener listener =
new VehicleSpeed.Listener() { public void receive(Measurement measurement) { // do stuff with the measurement } };
vehicle.addListener(VehicleSpeed.class,
listener);
openxcplatform.com

24. Vehicle Dashboard
openxcplatform.com

25. MPG Tracking
openxcplatform.com

26. Trace File Output 2012-12-10.json 2012-12-11.json ... traces/
openxcplatform.com

27. Streaming Output
HTTP
openxcplatform.com

28. Other Platforms OpenXC Python Library
MATLAB Interface, work-in-progress
OpenXC WinRT Library, first community port in progress
openxcplatform.com

29. Developer Requirements
Required:
Laptop
Not Required:
Smartphone
Tablet
Data plan
Ford vehicle
Any vehicle
CAN interface
Contract with Ford
openxcplatform.com

30. Existing Projects http://openxcplatform.com Gracenote hack
Trace analyzer
HCL "running late" app
openxcplatform.com

31. References
Slide 4
Cathedral and the Bazaar, Version 3.0 Copyright (c) Eric S. Raymond. Permission is granted to copy, distribute and/or modify this document under the terms of the Open Publication License, version 2.0.
Slide 5
1966 Mustang, Creative Commons, aresauburnphotos on flickr
Slide 6
Punchcard, Creative Commons, BinaryApe on flickr
Laptop Child, Creative Commons, stawarz on flickr
Slide 13
ELM327 Adapter, Creative Commons, obdchina on flickr
OBDMate Scantool, Creative Commons, topshoppingmall1 on flickr
Scantool, ScanTool.net
Slide 24
HTC Dream, HTC
Motorola Droid, Motorola
Nexus One, Google
Toshiba Thrive, Toshiba
Galaxy Nexus, Google / Samsung
Nexus 7, Google / Asus
Slide 31
Python Logo, python.org
MATLAB / Simulink Logo, MathWorks
Windows 8 Logo, Microsoft
All other images Copyright Ford, from media.ford.com and openxcplatform.com
openxcplatform.com