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