-static void stepper_tc0_irq(void);
-static void stepper_tc1_irq(void);
-static void stepper_tc2_irq(void);
+static ISR_PROTO(stepper_tc0_irq);
+static ISR_PROTO(stepper_tc1_irq);
+static ISR_PROTO(stepper_tc2_irq);
///< Static array of timer counter struct for stepper.
static struct TimerCounter stepper_timers[CONFIG_TC_STEPPER_MAX_NUM] =
///< Static array of timer counter struct for stepper.
static struct TimerCounter stepper_timers[CONFIG_TC_STEPPER_MAX_NUM] =