Fix timer typos

Author: Sh3Rm4n

src/timer.rs

@@ -202,7 +202,7 @@ where
         events
     }
 
-    /// Check if an interrupt event happend.
+    /// Check if an interrupt event happened.
     pub fn is_event_triggered(&self, event: Event) -> bool {
         match event {
             Event::Update => self.tim.is_sr_uief_set(),

testsuite/tests/timer.rs

@@ -44,7 +44,7 @@ mod tests {
         let mut flash = dp.FLASH.constrain();
         let clocks = rcc.cfgr.freeze(&mut flash.acr);
 
-        // Let's use a timer, which is avaliable for every chip
+        // Let's use a timer, which is available for every chip
         let timer = Timer::new(dp.TIM2, clocks, &mut rcc.apb1);
         let mono_timer = MonoTimer::new(cp.DWT, clocks, &mut cp.DCB);
         let delay = Delay::new(cp.SYST, clocks);
@@ -105,7 +105,7 @@ mod tests {
 
             let deviation = (ratio - 1.).abs();
 
-            // Deviation is high for smaller timer durations. Higher duratinons are pretty accurate.
+            // Deviation is high for smaller timer duration. Higher duration are pretty accurate.
             // TODO: Maybe the allowed deviation should changed depending on the duration?
             defmt::assert!(deviation < 11e-02);
         }
@@ -147,8 +147,8 @@ mod tests {
 fn TIM2() {
     INTERRUPT_FIRED.store(true, Ordering::SeqCst);
 
-    // Make it easy on ourselfs and just disable all interrupts.
-    // This way, the interrupt rountine dooes not have to have access to the timer peripheral,
+    // Make it easy on ourselves and just disable all interrupts.
+    // This way, the interrupt routine does not have to have access to the timer peripheral,
     // which would mean to access the internally managed state of the test module,
     // which can't be accessed right now.
     //