From d9e8b6866260172fd5244c5f734c7ba0893b7d62 Mon Sep 17 00:00:00 2001
From: Emil Fresk <emil.fresk@gmail.com>
Date: Tue, 30 Jun 2020 21:23:35 +0200
Subject: Fixes an issue where one could double take the cortex_m Peripheral

Added qemu test

Added comment

Typo

Add cfg for homogeneous

More cfg

Now multicore working

Add .run file
---
 macros/src/codegen/pre_init.rs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'macros/src')

diff --git a/macros/src/codegen/pre_init.rs b/macros/src/codegen/pre_init.rs
index 1f1735d..c6bd61e 100644
--- a/macros/src/codegen/pre_init.rs
+++ b/macros/src/codegen/pre_init.rs
@@ -43,6 +43,13 @@ pub fn codegen(
         let mut core: rtic::export::Peripherals = core::mem::transmute(());
     ));
 
+    if app.args.cores == 1 {
+        stmts.push(quote!(
+            // To set the variable in cortex_m so the peripherals cannot be taken multiple times
+            let _ = cortex_m::Peripherals::steal();
+        ));
+    }
+
     let device = extra.device;
     let nvic_prio_bits = quote!(#device::NVIC_PRIO_BITS);
 
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