void start(void)
{
#ifdef AO_BOOT_CHAIN
- ao_boot_check_chain();
-#endif
+ if (ao_boot_check_chain()) {
#ifdef AO_BOOT_PIN
- ao_boot_check_pin();
+ ao_boot_check_pin();
+#endif
+ }
#endif
/* Set interrupt vector table offset */
stm_nvic.vto = (uint32_t) &stm_interrupt_vector;