From bd741a40191d127e804d668366e92a8fc43c5b18 Mon Sep 17 00:00:00 2001
From: chemicstry <chemicstry@gmail.com>
Date: Sun, 10 Jul 2022 21:08:30 +0300
Subject: [PATCH] Add comments to watchdog example

---
 examples/stm32f4/src/bin/wdt.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/examples/stm32f4/src/bin/wdt.rs b/examples/stm32f4/src/bin/wdt.rs
index 41e1f4c7..a23cfe9c 100644
--- a/examples/stm32f4/src/bin/wdt.rs
+++ b/examples/stm32f4/src/bin/wdt.rs
@@ -32,6 +32,8 @@ async fn main(_spawner: Spawner, p: Peripherals) {
         led.set_low();
         Timer::after(Duration::from_millis(300)).await;
 
+        // Pet watchdog for 5 iterations and then stop.
+        // MCU should restart in 1 second after the last pet.
         if i < 5 {
             info!("Petting watchdog");
             unsafe {