Merge pull request #6499 from haukepetersen/fix_stm32l1_hardfaultonisr

cpu/cortexm: disable interrupts before sleeping
2017-01-27 16:21:19 +01:00 · 2017-01-27 16:21:19 +01:00 · 40a6664831
commit 40a6664831
parent 198cbd33ff 3da9ceb705
1 changed files with 2 additions and 0 deletions
--- a/cpu/cortexm_common/include/cpu.h
+++ b/cpu/cortexm_common/include/cpu.h
@ -105,8 +105,10 @@ static inline void cortexm_sleep(int deep)
    }

    /* ensure that all memory accesses have completed and trigger sleeping */
+    __disable_irq();
    __DSB();
    __WFI();
+    __enable_irq();
 }

 /**