Fly-407ZG CanBoot bootloader for USB | Mellow Products Documentation

How to compile and install the CanBoot bootloader for USB operation on the Fly-407ZG

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Configuring and installing CanBoot bootloader for USB

Overview

Katapult allows you to update your toolboards via USB, so no rebooting and rewiring to USB is necessary. We recommend using CANboot for this additional convenience.

Install Katapult package

Note: The bootloader software formerly known as CanBoot has been renamed to Katapult

ssh into your klipper host console

Clone the Katapult firmware to your Klipper Host

cd ~/
git clone https://github.com/Arksine/katapult

From your Fluidd or Mainsail web UI Edit Moonraker.conf and add the following at the bottom to allow moonraker to manage updates to the CAN bus software.
```
[update_manager Katapult]
type: git_repo
path: ~/katapult
origin: https://github.com/Arksine/katapult.git
is_system_service: False
```

Compile Katapult firmware

cd to the Katapult directory ``` cd katapult
Run make clean
```
make clean
```
Open menuconfig
```
make menuconfig
```
Set the following settings
- Micro-controller Architecture : STMicroelectronics STM32
- Processor model: STM32F407
- Build Katapult deployment application: 32KiB bootloader
- Clock Reference: 8 MHz crystal
- Communication interface - USB (on PA11/PA12)
- Application start offset - 32KiB offset
  
  CanBoot Menuconfig
Quit and save the configuration
Run the make command to compile the firmware
```
make -j4
```
You should now have a deployer.bin file at ~/katapult/out/

Flash Katapult to the Fly-407ZG MCU

ftp to your klipper host with an FTP client like FileZilla
- open the folder ‘~/katapult/out’
- download deployer.bin to your PC
place the MCU MicroSD card into a card reader and connect it to your PC.
ensure that the SD Card is formatted as Fat32. If in doubt use the SD Card Formatter.
Copy the deployer.bin file to the root of the SD card
rename deployer.bin to firmware.bin
Eject the SD card from the PC
Insert the SD card into the MCU SD card Slot.

CanBoot Menuconfig
Press the Fly-407ZG reboot button

CanBoot Menuconfig
Wait a few minutes
Open a putty SSH session to the Fly-407ZG and log on
run lsusb to verify the MCU has been discovered as a USB device

Continue to the Klipper for USB configuration section

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