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-rw-r--r--os/hal/include/serial_usb.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/os/hal/include/serial_usb.h b/os/hal/include/serial_usb.h
index 9223c82a3..03c075f62 100644
--- a/os/hal/include/serial_usb.h
+++ b/os/hal/include/serial_usb.h
@@ -53,8 +53,9 @@
/* Derived constants and error checks. */
/*===========================================================================*/
-#if !HAL_USE_USB && !CH_USE_EVENTS
-#error "Serial over USB Driver requires HAL_USE_USB and CH_USE_EVENTS"
+#if !HAL_USE_USB && !CH_USE_QUEUES && !CH_USE_EVENTS
+#error "Serial over USB Driver requires HAL_USE_USB, CH_USE_QUEUES, "
+ "CH_USE_EVENTS"
#endif
/*===========================================================================*/