hello, who anyone have used AT91SAM7S256 and FreeRTOS in this web http://www.siwawi.arubi.uni-kl.de/avr_projects/arm_projects/index_at91.html#at91sam7s256_ld as the sample. Can you tell me how to use GDB on the AT91SAM7S-EK board? Please let me know. Thank you.