From 19bab47bba8f8a4f5dd3255bb7ad37bf1597b02d Mon Sep 17 00:00:00 2001
From: Emil Fresk <emil.fresk@gmail.com>
Date: Sat, 11 Mar 2023 20:25:35 +0100
Subject: rtic-monotonics: Unmask the RP2040 timer

---
 rtic-monotonics/src/rp2040.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'rtic-monotonics/src')

diff --git a/rtic-monotonics/src/rp2040.rs b/rtic-monotonics/src/rp2040.rs
index e42c148..6599dc6 100644
--- a/rtic-monotonics/src/rp2040.rs
+++ b/rtic-monotonics/src/rp2040.rs
@@ -4,7 +4,7 @@ use super::Monotonic;
 pub use super::{TimeoutError, TimerQueue};
 use core::future::Future;
 pub use fugit::ExtU64;
-use rp2040_pac::{timer, Interrupt, RESETS, TIMER};
+use rp2040_pac::{timer, Interrupt, NVIC, RESETS, TIMER};
 
 /// Timer implementing `rtic_monotonic::Monotonic` which runs at 1 MHz.
 pub struct Timer;
@@ -17,6 +17,8 @@ impl Timer {
         timer.inte.modify(|_, w| w.alarm_0().set_bit());
 
         TIMER_QUEUE.initialize(Self {});
+
+        unsafe { NVIC::unmask(Interrupt::TIMER_IRQ_0) };
     }
 
     fn timer() -> &'static timer::RegisterBlock {
-- 
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