Ok Ive made the changes and now im getting when I try and upload the following error "avrdude : stk500_getsync(): not in sync:resp=0x49".Tried mighty_opt.build.mcu=atmega644 and mighty_opt.build.mcu=atmega644p made no difference.
Ok Ive made the changes and now im getting when I try and upload the following error "avrdude : stk500_getsync(): not in sync:resp=0x49".Tried mighty_opt.build.mcu=atmega644 and mighty_opt.build.mcu=atmega644p made no difference.