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gs_usb compatible firmware for candleLight, cantact and canable

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candleLight_gsusb

This is a firmware for stm32f0-based USB-CAN adapters, notably:

It implements the interface of the mainline linux gs_usb kernel module and works out-of-the-box with linux distros packaging this module, e.g. Ubuntu.

Be aware that there is a bug in the gs_usb module in linux<4.5 that can crash the kernel on device removal.

Here is a fixed version that should also work for older kernels: https://github.com/HubertD/socketcan_gs_usb

The Firmware also implements WCID USB descriptors and thus can be used on recent Windows versions without installing a driver.

Building requres arm-none-eabi-gcc toolchain (sudo apt-get install gcc-arm-none-eabi)

Flashing candleLight on linux: (source: https://wiki.linklayer.com/index.php/CandleLightFirmware)

  • Flashing requires the dfu-util tool. On Ubuntu, this can be installed with sudo apt install dfu-util.
  • Download the current binary release: gsusb_cantact_8b2b2b4.bin
  • Disconnect the USB connector from the CANtact, short the BOOT pins, then reconnect the USB connector. The device should enumerate as "STM32 BOOTLOADER".
  • Flash the device with: sudo dfu-util --dfuse-address -d 0483:df11 -c 1 -i 0 -a 0 -s 0x08000000 -D CORRECT_FIRWARE.bin where CORRECT_FIRWARE is the name of the desired .bin.
  • Disconnect the USB connector, un-short the BOOT pins, and reconnect. The device is now flashed!

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gs_usb compatible firmware for candleLight, cantact and canable

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