Others need an automated script to do batch programming of multiple microcontrollers In this article, you’ll learn how to use avrdude. Avrdude is a program that is used to update or read the flash and eeprom memories of atmel avr microcontrollers on freebsd unix It supports the atmel serial programming protocol using the pc's parallel port and can upload either a raw binary file or an intel hex format file. Documentation can be downloaded from the download area, or read online here. Programming a microcontroller either requires a physical programmer that sits between the target chip and the pc running avrdude, or a bootloader program on the target chip that is then directly connected to the pc to be served by avrdude.
Avrdude is a command line program, so you'll have to type in all the commands (later you'll find out how to shortcut this with a makefile) under windows, you'll need to open up a command window, select run.from the start menu and type in cmd and hit ok. Avrdude can be used effectively via the command line to read or write all chip memory types (eeprom, flash, fuse bits, lock bits, signature bytes) or via an interactive (terminal) mode. It supports various programmers (e.g., usbasp, arduino bootloader) and is widely used in the arduino ecosystem.
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