From c53b2fdc0567db21a2180fb8c3db11f962959651 Mon Sep 17 00:00:00 2001
From: Justin Beaurivage <justin@wearableavionics.com>
Date: Fri, 29 Apr 2022 09:32:31 -0400
Subject: [PATCH] Require 1 argument in embassy::main without HAL

---
 embassy-macros/src/macros/main.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/embassy-macros/src/macros/main.rs b/embassy-macros/src/macros/main.rs
index 01e302921..b7ce9dda4 100644
--- a/embassy-macros/src/macros/main.rs
+++ b/embassy-macros/src/macros/main.rs
@@ -42,7 +42,7 @@ pub fn run(args: syn::AttributeArgs, f: syn::ItemFn) -> Result<TokenStream, Toke
         ctxt.error_spanned_by(&f.sig, "main function must have 2 arguments");
     }
     if HAL.is_none() && fargs.len() != 1 {
-        ctxt.error_spanned_by(&f.sig, "main function must have 2 arguments");
+        ctxt.error_spanned_by(&f.sig, "main function must have 1 argument");
     }
 
     ctxt.check()?;