NVM example for AVR XMEGA.
Copyright (c) 2010-2018 Microchip Technology Inc. and its subsidiaries.
#include <conf_example.h>
#include <asf.h>
References board_init(), FUSEBYTE2, gpio_toggle_pin, ioport_set_pin_high(), nvm_blba_lock_bits_write(), nvm_blbat_lock_bits_write(), nvm_blbb_lock_bits_write(), nvm_fuses_read(), nvm_lb_lock_bits_write(), and nvm_lock_bits_write().