+
+ /* Enable clock on PIO for inputs */
+ // TODO: move this in gpio_init() for better power management?
+ pmc_periphEnable(PIOA_ID);
+ pmc_periphEnable(PIOB_ID);
+ pmc_periphEnable(PIOC_ID);
+#ifdef PIOF_ID
+ pmc_periphEnable(PIOD_ID);
+ pmc_periphEnable(PIOE_ID);
+ pmc_periphEnable(PIOF_ID);
+#endif