dfu-programmer vs. avrdude: Which Tool Is Right for Your AVR Project?

Install and use dfu-programmer on macOS, Linux, and Windows

macOS

• Install via Homebrew (recommended):

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  brew install dfu-programmer 

• Or with MacPorts:

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  sudo port install dfu-programmer 

• Common usage (example for ATmega32U4):

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  # put device into bootloader/DFU mode (device-specific) dfu-programmer atmega32u4 erase –force dfu-programmer atmega32u4 flash firmware.hex dfu-programmer atmega32u4 launch 

Linux

• Install from package manager (Debian/Ubuntu):

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  sudo apt update sudo apt install dfu-programmer 

  Fedora:

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  sudo dnf install dfu-programmer 

• Ensure user has access to DFU device: create/enable udev rule (example /etc/udev/rules.d/49-dfu-programmer.rules):

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  # Atmel DFU devices SUBSYSTEM==“usb”, ENV{DEVTYPE}==“usbdevice”, ATTR{idVendor}==“03eb”, MODE=“0666” 

  Then reload rules:

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  sudo udevadm control –reload-rules sudo udevadm trigger 

• Use same command sequence as macOS:

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  dfu-programmer atmega32u4 erase –force dfu-programmer atmega32u4 flash firmware.hex dfu-programmer atmega32u4 launch