move profiler to be a function

agb/examples/sprites.rs

@@ -101,18 +101,9 @@ fn all_tags(gfx: &ObjectController) {
 fn main(mut gba: agb::Gba) -> ! {
     let gfx = gba.display.object.get();
 
-    let timers = gba.timers.timers();
-    let mut my_timer = timers.timer0;
-    my_timer.set_interrupt(true);
-    my_timer.set_overflow_amount(10000);
-    my_timer.set_enabled(true);
+    let mut timers = gba.timers.timers();
 
-    agb::add_interrupt_handler!(
-        agb::interrupt::Interrupt::Timer0,
-        |_key: &CriticalSection| {
-            agb::println!("{:#010x}", agb::get_program_counter_before_interrupt());
-        }
-    );
+    let _a = agb::interrupt::profiler(&mut timers.timer0, 5000);
 
     loop {
         all_tags(&gfx);

agb/src/interrupt.rs

@@ -360,3 +360,14 @@ mod tests {
         );
     }
 }
+
+#[must_use]
+pub fn profiler(timer: &mut crate::timer::Timer, period: u16) -> InterruptHandler {
+    timer.set_interrupt(true);
+    timer.set_overflow_amount(period);
+    timer.set_enabled(true);
+
+    add_interrupt_handler(timer.get_interrupt(), |_key: &CriticalSection| {
+        crate::println!("{:#010x}", crate::get_program_counter_before_interrupt());
+    })
+}

agb/src/timer.rs

@@ -106,6 +106,17 @@ impl Timer {
     fn get_timer_number(&self) -> usize {
         self.timer_number as usize
     }
+
+    pub fn get_interrupt(&self) -> crate::interrupt::Interrupt {
+        use crate::interrupt::Interrupt;
+        match self.timer_number {
+            0 => Interrupt::Timer0,
+            1 => Interrupt::Timer1,
+            2 => Interrupt::Timer2,
+            3 => Interrupt::Timer3,
+            _ => unreachable!(),
+        }
+    }
 }
 
 #[non_exhaustive]