Add constanst suffix to prevent potential type conversion (#921)
Co-authored-by: Ubuntu <ubuntu@ip-172-31-34-245.ap-northeast-1.compute.internal>
diff --git a/include/stack_macros.h b/include/stack_macros.h
index f53afb2..bd9ec27 100644
--- a/include/stack_macros.h
+++ b/include/stack_macros.h
@@ -91,7 +91,7 @@
#define taskCHECK_FOR_STACK_OVERFLOW() \
do { \
const uint32_t * const pulStack = ( uint32_t * ) pxCurrentTCB->pxStack; \
- const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5; \
+ const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5U; \
\
if( ( pulStack[ 0 ] != ulCheckValue ) || \
( pulStack[ 1 ] != ulCheckValue ) || \