Fix get_period_inverse(0) so it doesn't crash (#11334)

6 years ago · fbdbe53290
parent 14e2b11195
commit fbdbe53290
1 changed files with 3 additions and 1 deletions
--- a/Marlin/src/module/planner.cpp
+++ b/Marlin/src/module/planner.cpp
@ -694,7 +694,9 @@ void Planner::init() {
    // All other 32-bit MPUs can easily do inverse using hardware division,
    // so we don't need to reduce precision or to use assembly language at all.
    // This routine, for all other archs, returns 0x100000000 / d ~= 0xFFFFFFFF / d
-    static FORCE_INLINE uint32_t get_period_inverse(const uint32_t d) { return 0xFFFFFFFF / d; }
+    static FORCE_INLINE uint32_t get_period_inverse(const uint32_t d) {
+      return d ? 0xFFFFFFFF / d : 0xFFFFFFFF;
+    }
  #endif
 #endif