Add check if event has been triggered

Author: Henrik Alsér

examples/gpiote-demo/src/main.rs

@@ -88,6 +88,12 @@ const APP: () = {
 
     #[task(binds = GPIOTE, resources = [gpiote], schedule = [debounce])]
     fn on_gpiote(ctx: on_gpiote::Context) {
+        if ctx.resources.gpiote.channel0().is_event_triggered() {
+            rprintln!("Interrupt from channel 0 event");
+        }
+        if ctx.resources.gpiote.port().is_event_triggered() {
+            rprintln!("Interrupt from port event");
+        }
         // Reset all events
         ctx.resources.gpiote.reset_events();
         // Debounce

nrf-hal-common/src/gpiote.rs

@@ -107,6 +107,10 @@ impl<'a> GpioteChannel<'_> {
         }
     }
 
+    pub fn is_event_triggered(&self) -> bool {
+        self.gpiote.events_in[self.channel].read().bits() != 0
+    }
+
     pub fn reset_events(&self) {
         self.gpiote.events_in[self.channel].write(|w| w);
     }
@@ -164,6 +168,9 @@ impl<'a> GpiotePort<'_> {
         // Disable port interrupt
         self.gpiote.intenclr.write(|w| w.port().set_bit());
     }
+    pub fn is_event_triggered(&self) -> bool {
+        self.gpiote.events_port.read().bits() != 0
+    }
     pub fn reset_events(&self) {
         // Mark port events as handled
         self.gpiote.events_port.write(|w| w);