CAN We Talk Python? Talking to your vehicle over the CAN bus with - - PowerPoint PPT Presentation

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CAN We Talk Python? Talking to your vehicle over the CAN bus with - - PowerPoint PPT Presentation

Aug 15, 2023 277 likes •462 views

CAN We Talk Python? Talking to your vehicle over the CAN bus with Python @shnewto CAN? The standard CAN frame (mostly) ID: 0x123 DLC: 8 Data: 8 bytes / 64 bits [0] 0x18 [1] 0x29 [2] 0x3A [3] 0x4B [4] 0x5C [5] 0x6D [6] 0x7E [7] 0x8F

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CAN We Talk Python?

Talking to your vehicle over the CAN bus with Python

@shnewto

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CAN?

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The standard CAN frame (mostly)

ID: 0x123 DLC: 8 Data: 8 bytes / 64 bits [0] 0x18 [1] 0x29 [2] 0x3A [3] 0x4B [4] 0x5C [5] 0x6D [6] 0x7E [7] 0x8F

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The OBD-II Port

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(My 2006 Hyundai Elantra)

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A LOT of chatter!

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can_we_talk.py

github.com/shnewto/can-we-talk

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  • scc-check.py

github.com/PolySync/oscc-check

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The CAN bus and your car

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Questions?

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Resources

sheas.blog/talks (slide deck) Code:

  • github.com/shnewto/can-we-talk OBD-II reader
  • github.com/PolySync/oscc-check Vehicle actuation and status reports

Twitter: @shnewto Blog: sheas.blog GitHub: shnewto Email: shnewto@gmail.com