avrdude sucessfully writes unlock bits with the following command: To the appropriate section of boards.txt to use AVR Dragon only if “Arduino Duemilanove or Nano w/ ATmega32” is selected.Įither way, when I connect my Arduino Duemilanove to the AVR Dragon with an ISP cable, Arduino IDE uploads sketches flawlessly.įor some reason, I cannot burn the bootloader in the same way. To have Arduino IDE use AVR Dragon for all uploads, or add the line In the preferences.txt (which must be edited when the IDE is not running, or it will be overwritten) to (after that, AVR Dragon appears in the list of programmers in the “Tools → Burn Bootloader” menu), and either change the line I use it under Mac OS X I have heard, but not tested, that the same thing under Windows may be tricky because of USB driver incompatibility.Īs expained in, I add the following three lines to the programmers.txt: For example, I use it to upload my sketch to an ATMega8L controlling an audio amplifier based on TI’s TAS5086 PWM processor. to burn sketches to Arduino-compatible hardware without the bootloader. I read on this forum a few confused posts about using AVR Dragon as an external programmer with Arduino IDE and thought my experience may be useful to someone.ĪVR Dragon can be used as an external programmer with Arduino IDE, e.g.
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