From 37177c369a4c16e584f0f51d1a55c7481aef20a8 Mon Sep 17 00:00:00 2001
From: alrvid <126816223+alrvid@users.noreply.github.com>
Date: Mon, 13 May 2024 08:53:30 +0200
Subject: [PATCH] Add warning about NO_ETHERNET_TURN_OFF

Adds a warning that improper use of this #define can damage the Ethernet transmission termination resistors.
---
 examples/TurnPeripheralsOff/TurnPeripheralsOff.ino | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/examples/TurnPeripheralsOff/TurnPeripheralsOff.ino b/examples/TurnPeripheralsOff/TurnPeripheralsOff.ino
index 3acc293..9384a2c 100644
--- a/examples/TurnPeripheralsOff/TurnPeripheralsOff.ino
+++ b/examples/TurnPeripheralsOff/TurnPeripheralsOff.ino
@@ -13,7 +13,13 @@
  * This code is in the public domain
  */
 
+// WARNING: The following #define disables automatically turning off the Ethernet chip when the
+//          microcontroller goes into Standby Mode. Doing so can damage the Ethernet transmission
+//          termination resistors unless the power to the Ethernet chip is turned off manually,
+//          as in this example sketch, before entering Standby Mode.
+// -->
 #define NO_ETHERNET_TURN_OFF
+// <--
 
 #include "Arduino_LowPowerPortentaH7.h"
 #include "Arduino_PMIC.h"
@@ -68,4 +74,4 @@ void setup() {
   #endif
 }
 
-void loop() {}
\ No newline at end of file
+void loop() {}