Hardware
- BigTreeTech Octopus 1.0
- BigTreeTech BTT Pi v 1.2.1 (Klipper)
- BigTreeTech SB2209 CAN/USB for Voron Stealthburner
- Voron Tap R8 Probe Kit
OS Install
Download and install the base Klipper kernel
- See [1] for the BTT Pi 1 image
- Find the pi on the network and login to pi as root/root
Install Klipper, Moonraker and Mainsail
Install KIAUH (cannot install as root)
sudo apt-get update && sudo apt-get install git -y
cd ~ && git clone https://github.com/dw-0/kiauh.git
./kiauh/kiauh.sh
Follow prompts to install various components
Install Klipper to Octopus
See https://docs.vorondesign.com/build/software/octopus_klipper.html
cd ~/klipper
make menuconfig
# Enable extra low-level configuration options
# Micro-controller Architecture (STMicroelectronics STM32) --->
# Processor model (STM32F446) --->
# Bootloader offset (32KiB bootloader) --->
# Clock Reference (12 MHz crystal) --->
make
- Install firmeware to Octopus from file created at out/klipper.bin:
- Over USB from PI via DFU
- From memory card (recommended)
- Install printer.cfg from
Install 2209 Canbus
cd ~/klipper
make menuconfig
# Enable extra low-level configuration options
# Micro-controller Architecture (Raspberry Pi RP2040/RP235x) --->
# Processor model (rp2040) --->
# Bootloader offset (No bootloader) --->
# Flash chip (W25Q080 with CLKDIV 2) --->
# Communication Interface (USBSERIAL) --->
# USB ids --->
#[*] Optimize stepper code for 'step on both edges'
#() GPIO pins to set at micro-controller startup
make
Put Canbus processor in DFU mode by pressing and holding BOOT and then the RST button breifly:
Verify we're in DFU mode by looking for this in the lsusb command:
Bus 002 Device 003: ID 2e8a:0003 Raspberry Pi RP2 BootNote the device ID (2e8a:0003) and type in console from the klipper directory:
make flash FLASH_DEVICE=2e8a:0003
Flashing out/klipper.uf2 to 2e8a:0003
sudo lib/rp2040_flash/rp2040_flash out/klipper.uf2
[sudo] password for bpopp:
Loaded UF2 image with 162 pages
Found rp2040 device on USB bus 2 address 3
Flashing...
Resetting interface
Locking
Exiting XIP mode
Erasing
Flashing
Rebooting device
Verify that the device now shows up under /dev/serial/by-id:
ls /dev/serial/by-id
usb-Klipper_rp2040_50443403101D961C-if00
usb-Klipper_stm32f446xx_1E0035000751313031393839-if00