Fix STM32F1 'freeMemory()' warnings (#20319)

4 years ago · 272265c636
1 changed files with 2 additions and 10 deletions
--- a/Marlin/src/HAL/STM32F1/HAL.h
+++ b/Marlin/src/HAL/STM32F1/HAL.h
@ -202,17 +202,9 @@ extern "C" {

 extern "C" char* _sbrk(int incr);

-/*
-static int freeMemory() {
-  volatile int top;
-  top = (int)((char*)&top - reinterpret_cast<char*>(_sbrk(0)));
-  return top;
-}
-*/
-
-static int freeMemory() {
+static inline int freeMemory() {
  volatile char top;
-  return &top - reinterpret_cast<char*>(_sbrk(0));
+  return &top - _sbrk(0);
 }

 #if GCC_VERSION <= 50000