F446 CAN Bridge

Config Firmware

Use the command below to enter the firmware configuration interface.

cd ~/klipper
make clean
make menuconfig

Compile Firmware

make 

Flash Firmware

Short the Boot0 jumper then press the reset button. Use lsusb commend to check.

Bus 001 Device 001: ID 0483:df11 STMicroelectronics STM Device in DFU Mode

Use the commend below to flash firmware into mcu.

make flash FLASH_DEVICE=0483:df11

Find CANBUS UUID

Config Linux CAN Network before move on.

Use the commend below to find canbus_uuid

~/klippy-env/bin/python ~/klipper/scripts/canbus_query.py can0

If uninitialized CAN devices are detected the above command will report lines like the following:

Found canbus_uuid=11aa22bb33cc, Application: Klipper

Configuring Klipper

Update the Klipper mcu configuration in printer.cfg to use the CANBUS communicate with mcu.

printer.cfg

[mcu]
canbus_uuid: 11aa22bb33cc