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-rw-r--r--os/hal/include/hal_qei.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/os/hal/include/hal_qei.h b/os/hal/include/hal_qei.h
index ce4a089..15f24ce 100644
--- a/os/hal/include/hal_qei.h
+++ b/os/hal/include/hal_qei.h
@@ -83,10 +83,10 @@ typedef void (*qeicallback_t)(QEIDriver *qeip);
*/
typedef enum {
QEI_OVERFLOW_WRAP = 0, /**< Counter value will wrap around. */
-#if QEI_USE_OVERFLOW_DISCARD == TRUE
+#if defined(QEI_USE_OVERFLOW_DISCARD) && QEI_USE_OVERFLOW_DISCARD == TRUE
QEI_OVERFLOW_DISCARD = 1, /**< Counter doesn't change. */
#endif
-#if QEI_USE_OVERFLOW_MINMAX == TRUE
+#if defined(QEI_USE_OVERFLOW_MINMAX) && QEI_USE_OVERFLOW_MINMAX == TRUE
QEI_OVERFLOW_MINMAX = 2, /**< Counter will be updated upto min or max.*/
#endif
} qeioverflow_t;