From fa31810af9823bbd942e19052ba7e09c8ae9edc6 Mon Sep 17 00:00:00 2001
From: Pavel Zhukov <pavel.zhukov@huawei.com>
Date: Wed, 13 Jul 2022 14:12:23 +0200
Subject: [PATCH] docs: Document ONIRO_ENABLE_ACM0 option

Signed-off-by: Pavel Zhukov <pavel.zhukov@huawei.com>
---
 docs/hardware-support/boards/arduino-nano-33-ble.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/hardware-support/boards/arduino-nano-33-ble.rst b/docs/hardware-support/boards/arduino-nano-33-ble.rst
index 805d7df5..65f55a2b 100644
--- a/docs/hardware-support/boards/arduino-nano-33-ble.rst
+++ b/docs/hardware-support/boards/arduino-nano-33-ble.rst
@@ -74,6 +74,12 @@ sample application, *blinky*. In order to do so issue the following:
 3. After the build completes, the ``zephyr-philosophers.bin`` and the ``zephyr-blinky.bin``
    file can be found in ``build-oniro-zephyr/tmp-newlib/deploy/images/arduino-nano-33-ble/``.
 
+.. note::
+    By default, both zephyr-blinky and zephyr-philosophers applications will start once the board 
+    is powered on without waiting for a serial console connection.
+    To start an application only when serial console is connected, specify ONIRO_ENABLE_ACM0 = "1".
+    This option may be useful in automated testing environment.
+
 Flashing an Application
 =======================
 
-- 
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