How to flash a Bootloader and Firmware onto an 8bit Creality Mainboard (or any other AVR board)

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Software:
Raspberry Pi Imager: www.raspberryp...
PuTTY: www.putty.org/
Arduino IDE: www.arduino.cc...
FileZilla: filezilla-proj...
Sanguino custom URL: raw.githubuser...
Kiahu (for installing Fluidd): github.com/dw-...
Raspberry Pi Commands used in this video (copy paste these into PuTTY):
ifconfig
(show IP)
sudo apt-get install avrdude
(install avrdude)
avrdude -v
(verify avrdude install)
cp /etc/avrdude.conf ~/avrdude_gpio.conf
(copy config file)
nano ~/avrdude_gpio.conf
(open/edit config file)
programmer
id = "pi_1";
desc = "Use the Linux sysfs interface to bitbang GPIO lines";
type = "linuxgpio";
reset = 17;
sck = 24;
mosi = 23;
miso = 18;
;
(section to be pasted into avrdude_gpio.conf)
sudo avrdude -p atmega1284p -C ~/avrdude_gpio.conf -c pi_1 -v
(test connection)
sudo avrdude -p atmega1284p -C ~/avrdude_gpio.conf -c pi_1 -v -U flash:w:optiboot_atmega1284p.hex:i
(flash bootloader)
cd ~/klipper/
(go to klipper directory)
make menuconfig
(open chip select gui)
make
(compile klipper)
ls /dev/serial/by-id/*
(list address of the AVR board)
sudo service klipper stop
(stop klipper service)
make flash FLASH_DEVICE=[YOUR AVR BOARD ADDRESS]
(flash klipper)
sudo service klipper start
(restart klipper)
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