From 13b205ece275ecc8e3f020bd687af62df3f03e34 Mon Sep 17 00:00:00 2001
From: Samuel O'Brien <sam.obrien00@gmail.com>
Date: Sun, 12 Jan 2025 20:50:16 -0600
Subject: [PATCH] rp: Fix time driver hang

---
 embassy-rp/src/time_driver.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/embassy-rp/src/time_driver.rs b/embassy-rp/src/time_driver.rs
index aa5d564e72..5aaca03d7c 100644
--- a/embassy-rp/src/time_driver.rs
+++ b/embassy-rp/src/time_driver.rs
@@ -86,6 +86,9 @@ impl TimerDriver {
     fn check_alarm(&self) {
         let n = 0;
         critical_section::with(|cs| {
+            // clear the irq
+            TIMER.intr().write(|w| w.set_alarm(n, true));
+
             let alarm = &self.alarms.borrow(cs);
             let timestamp = alarm.timestamp.get();
             if timestamp <= self.now() {
@@ -97,8 +100,6 @@ impl TimerDriver {
             }
         });
 
-        // clear the irq
-        TIMER.intr().write(|w| w.set_alarm(n, true));
     }
 
     fn trigger_alarm(&self, cs: CriticalSection) {