1 files changed, 27 insertions, 0 deletions
diff --git a/firmware/lib/vboot_ui_common.c b/firmware/lib/vboot_ui_common.c
new file mode 100644
index 00000000..69486649
--- /dev/null
+++ b/firmware/lib/vboot_ui_common.c
@@ -0,0 +1,27 @@
+/* Copyright 2018 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * High-level firmware wrapper API - user interface for RW firmware
+ */
+
+#include "sysincludes.h"
+
+#include "vboot_api.h"
+#include "vboot_ui_common.h"
+
+/* Two short beeps to notify the user that attempted action was disallowed. */
+void vb2_error_beep(enum vb2_beep_type beep)
+{
+	switch (beep) {
+	case VB_BEEP_FAILED:
+		VbExBeep(250, 200);
+		break;
+	default:
+	case VB_BEEP_NOT_ALLOWED:
+		VbExBeep(120, 400);
+		VbExSleepMs(120);
+		VbExBeep(120, 400);
+		break;
+	}
+}