*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
#define AO_EXTI_PIN_NOCONFIGURE 64
void
-ao_exti_setup(struct stm_gpio *gpio, uint8_t pin, uint8_t mode, void (*callback)());
+ao_exti_setup(struct stm_gpio *gpio, uint8_t pin, uint8_t mode, void (*callback)(void));
void
ao_exti_set_mode(struct stm_gpio *gpio, uint8_t pin, uint8_t mode);