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-rw-r--r--components/drivers/include/drivers/usb_common.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/drivers/include/drivers/usb_common.h b/components/drivers/include/drivers/usb_common.h
index 764dcd5612..c26d83391e 100644
--- a/components/drivers/include/drivers/usb_common.h
+++ b/components/drivers/include/drivers/usb_common.h
@@ -225,7 +225,7 @@ extern "C" {
#ifndef USB_TIMEOUT_LONG
#define USB_TIMEOUT_LONG (RT_TICK_PER_SECOND * 5) /* 5s */
#endif
-#ifndf USB_DEBOUNCE_TIME
+#ifndef USB_DEBOUNCE_TIME
#define USB_DEBOUNCE_TIME (RT_TICK_PER_SECOND / 5) /* 0.2s */
#endif