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-rw-r--r--src/device/usbd.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/device/usbd.h b/src/device/usbd.h
index 964cfb992..17b4d927b 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -58,8 +58,11 @@ void tud_task (void)
// Check if there is pending events need processing by tud_task()
bool tud_task_event_ready(void);
-// Interrupt handler, name alias to DCD
+#ifndef _TUSB_DCD_H_
extern void dcd_int_handler(uint8_t rhport);
+#endif
+
+// Interrupt handler, name alias to DCD
#define tud_int_handler dcd_int_handler
// Get current bus speed