Fly Gemini V2 CanBoot bootloader for CAN bus

Fly Gemini CanBoot bootloader for CAN bus

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Configuring and installing CanBoot bootloader for CAN bus

Install CanBoot package

ssh to your klipper host console

Clone the CanBoot firmware to your Klipper Host

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

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 CanBoot]
type: git_repo
path: ~/CanBoot
origin: https://github.com/Arksine/CanBoot.git
is_system_service: False
```

Compile CanBoot firmware

cd to the Canboot directory
```
cd CanBoot
```
Run make clean
```
make clean
```
Open menuconfig
```
make menuconfig
```
Set the following settings
- Micro Controller : STMicroelectronics STM32
- Processor Model: STM32F405
- Build: 32 Kib bootloader
- Clock Ref: 8 MHz crystal
- Comm Interface - CAN bus on PA11/PA12
- Application Offset 32 Kib
- Can bus Speed: 500000
  
  CanBoot Menu Config CAN
Quit and save the configuration
Run the make command to compile the firmware
```
make
```
You should now have a canboot.bin and a deployer.bin file at ~/CanBoot/out/

Flash CanBoot to the Fly Gemini V2 MCU

ftp to your Fly Gemini V2 with an FTP client like FileZilla
- connect with the following settings
  - Hostname: sftp://flygemini.local
  - Username: fly
  - Password: Enter your password. The default Gemini password is ‘mellow’
  - Port: 22
- Click ‘Quickconnect’
- open the folder ‘/home/fly/CanBoot/out’
- download deployer.bin to your PC
place the MCU MiniSD card into a card reader and connect it to your PC.
Copy the deployer.bin file to 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 Menu Config CAN
Press the MCU reboot button

CanBoot Menu Config CAN
Wait a few minutes
Open a putty SSH session to the and log on
run canboot query verify the MCU is up on the CAN bus

~/CanBoot/scripts/flash_can.py -i can0 -q

Note the UUID for flashing klipper with CanBoot in the Klipper for CAN bus configuration section.

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