rtel wrote on Saturday, January 31, 2009:
If the two cores are the same then you should require only minimal changes, if any at all. However some AVRs have an extended architecture with an extra program counter byte - if this is the case for the 1281 then you will need to change the code that sets up the stack of each time when the task is created.
I think there is info on this in this forum somewhere but it was a long time ago. I also have some code on file that was contributed by a third party. I have never tried it but send it to you if you like - write to me at r (dot) barry __at__ freertos.org if so.