AVR bootloader reset point

Question

I have written my own bootloader. Up until now I have been happy for a watchdog timeout to activate bootloader. I cannot find information on how to rather jump to beginning of loaded program rather than bootloading mode.

specifics: 328P, 4k bootload allocation, any other info you need?

A more methodical and clear description of what your AVR is doing now and what you want it to do might be helpful - I'm having a little bit of a hard time understanding the question. But it sounds like you want to look at the "Boot Reset Vector Enabled" fuse on the handy engbedded.com/fusecalc — Dylan Kirkby
– Dylan Kirkby, Commented Dec 19, 2015 at 5:16
You understood my question perfectly. I feel pretty stupid, because before I reread its description now I thought it made bootloader read only. So this is the one I want? — jackaranda
– jackaranda, Commented Dec 19, 2015 at 5:23
Yes, setting the "Boot Reset Vector Enabled" fuse will cause your bootloader code to be run on a reset (triggered by a power on, serial communication, watchdog timout, etc.) (edited to put into an actual answer) — Dylan Kirkby
– Dylan Kirkby, Commented Dec 19, 2015 at 5:26

Dylan Kirkby · Accepted Answer · 2015-12-19 05:28:41Z

2

Set the "Boot Reset Vector Enabled" fuse and your bootloader code will be run on reset which can be triggered by applying power, serial communications, watchdog timer, or the reset button)

See http://www.engbedded.com/fusecalc/ for more fuse programming details.

answered Dec 19, 2015 at 5:28

Dylan Kirkby

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jackaranda Over a year ago

Thx very much you and others have helped a great deal! All sorted now :)

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