Nitz76 wrote:MCUCR = (1 << IVCE); /* enable change of interrupt vectors */
MCUCR = (1 << IVSEL); /* move interrupts to bootloader flash section */
Hi.
Can you please send us the complete objectdumped ("avr-objdump -Stdr main.elf > main.asm") firmware you have flashed?
And maybe a flash (readback) dump, too.
BR vouvoume