Description

Overview

The CANable 2.0 is a small low-cost open source USB to CAN adapter. The CANable enumerates as a virtual serial port on your computer and acts as a serial-line to CAN bus interface. With the alternative candleLight firmware, the CANable enumerates as a native CAN interface on Linux. CANable 2.0 supports both standard CAN and CAN-FD.

CANable adapters are compatible with ARM-based embedded platforms such as the Raspberry Pi, Raspberry Pi Zero, ODROID, BeagleBone, etc. and are well suited for integration into OEM products.

CANable 2.0 Features

• Supports CAN2.0A and B, baud rates up to 1M
• Initial slcan support for CAN-FD (beta, 2M/5Mbaud)
• Compatible with socketcan through slcand
• USB-C Connector and breakaway mounting holes
• 4-pin screw terminal: CANH, CANL, 5v (output), GND
• Button for entering bootloader
• Switch to enable/disable onboard termination
• Simple cross-platform Python library

For more information on getting up and running with a CANable device, refer to the getting started page.

Software Support

 

The CANable is supported by several software applications:

• Cangaroo (Windows, Linux): Send/receive tandard and FD frames, decode messages from DBC files
• SocketCAN (Linux) Native Linux support using slcand
• python-can (Windows, Linux, Mac) Easily interface with the CAN bus using your CANable and Python scripts

Archived Products

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CANable (Original)

• Supports CAN2.0A and B, baud rates up to 1M
• Compatible with socketcan through slcand
• Native socketcan support with candleLight firmware
• 4-pin screw terminal: CANH, CANL, 5v (output), GND
• Jumper to enter bootloader for firmware updates
• Jumper to enable/disable termination
• PTC-fused 5v output
• Simple cross-platform Python library

CANable Pro

• • All features of the standard CANable
  • 2.5kV galvanic isolation between USB and CAN bus
  • Additional ESD protection/clamping on CAN bus
  • Additional ESD protection/clamping on USB
  • Breakaway mounting holes
  • Button to enter bootloader for firmware updates

 

Stock slcan firmware

CANables ship with slcan firmware. This firmware enumerates as a standard serial device on Linux, Mac, and Windows for easy interfacing. The CANable can be easily re-flashed with the candlelight firmware which enumerates as a native CAN device in Linux and a generic USB device in Windows.

On Linux the CANable works natively with slcand, so you can use all of the standard can-utils command-line utilities and even Wireshark to interact with the bus.

On Windows and Linux, the CANable works with Cangaroo which allows transmission/reception of standard and FD frames as well as decoding of messages from loaded DBC files.

candlelight Firmware

If you update to the candlelight firmware, the CANable shows up as a native CAN device with socketcan–no slcand required! Performance is higher than the serial-line firmware as slcand is bypassed entirely. With Linux and socketcan you can use all of the standard can-utils command-line utilities and even Wireshark to interact with the bus. Note: candlelight firmware for CANable 2.0 currently does not support FD frames

Python Support

For even more flexibility, the python-can library allows you to directly talk to the CAN bus from Python. The library is cross-platform and can connect directly to a CANable’s virtual serial port interface or native socketcan interface. With only a couple lines of code you can decode traffic on the bus, send messages, and more.

Check out the getting started page for more information.