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-rw-r--r--quantum/debounce/sym_defer_pk.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/quantum/debounce/sym_defer_pk.c b/quantum/debounce/sym_defer_pk.c
index 6c0e3bb071..60513f98e1 100644
--- a/quantum/debounce/sym_defer_pk.c
+++ b/quantum/debounce/sym_defer_pk.c
@@ -23,6 +23,12 @@ When no state changes have occured for DEBOUNCE milliseconds, we push the state.
#include "quantum.h"
#include <stdlib.h>
+#ifdef PROTOCOL_CHIBIOS
+# if CH_CFG_USE_MEMCORE == FALSE
+# error ChibiOS is configured without a memory allocator. Your keyboard may have set `#define CH_CFG_USE_MEMCORE FALSE`, which is incompatible with this debounce algorithm.
+# endif
+#endif
+
#ifndef DEBOUNCE
# define DEBOUNCE 5
#endif