Make it clear that these dogs need petting, stat!

Author: James Munns

examples/wdt-demo/src/main.rs

@@ -88,8 +88,15 @@ const APP: () = {
                 handles
             }
             Err(wdt) => match Watchdog::try_recover::<count::Four>(wdt) {
-                Ok(Parts { handles, .. }) => {
+                Ok(Parts { mut handles, .. }) => {
                     rprintln!("Oops, watchdog already active, but recovering!");
+
+                    // Pet all the dogs quickly to reset to default timeout
+                    handles.0.pet();
+                    handles.1.pet();
+                    handles.2.pet();
+                    handles.3.pet();
+
                     handles
                 }
                 Err(_wdt) => {

nrf-hal-common/src/wdt.rs

@@ -173,6 +173,9 @@ impl Watchdog<Active> {
     /// number of requested handles matches the activated number of handles,
     /// an activated handle will be returned. Otherwise the peripheral will
     /// be returned
+    ///
+    /// NOTE: Since the watchdog is already counting, you want to pet these dogs
+    /// as soon as possible!
     pub fn try_recover<H: sealed::Handles>(wdt: WDT) -> Result<Parts<H::Handles>, WDT> {
         // Do we have the same number of handles at least?
         if wdt.rren.read().bits() == H::ENABLE {