From 26870ae12ede1a70ca5685a7c0e0113c6bed58dd Mon Sep 17 00:00:00 2001
From: Emil Fresk <emil.fresk@gmail.com>
Date: Mon, 22 Feb 2021 21:45:22 +0100
Subject: [PATCH] Use zero time in init for `spawn_after` to not cause panic

---
 macros/src/codegen/module.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/macros/src/codegen/module.rs b/macros/src/codegen/module.rs
index 76641faed4..b0ac65f3ed 100644
--- a/macros/src/codegen/module.rs
+++ b/macros/src/codegen/module.rs
@@ -269,7 +269,12 @@ pub fn codegen(
                     where D: rtic::time::duration::Duration + rtic::time::fixed_point::FixedPoint,
                         D::T: Into<<#app_path::#m_mangled as rtic::time::Clock>::T>,
                 {
-                    let instant = #app_path::#m::now();
+
+                    let instant = if rtic::export::interrupt::free(|_| unsafe { #app_path::#m_ident.is_none() }) {
+                        rtic::time::Instant::new(0)
+                    } else {
+                        #app_path::#m::now()
+                    };
 
                     spawn_at(instant + duration, #(,#untupled)*)
                 }