zephyr: timer: Callback

Expose the fields so that the user can actually create a Callback.

Signed-off-by: David Brown <[email protected]>

Author: d3zd3z

zephyr/src/timer.rs

@@ -265,8 +265,10 @@ impl Drop for SimpleTimer {
 /// Note that this handler owns the data, but passes a reference to the handler.  This will
 /// typically be a `SpinMutex` to allow for proper sharing with IRQ context.
 pub struct Callback<T: Send + Sync> {
-    call: fn(data: &T),
-    data: T,
+    /// The callback function.
+    pub call: fn(data: &T),
+    /// The data passed into the callback.
+    pub data: T,
 }
 
 /// A zephyr timer that calls a callback each time the timer expires.