From 2a17c3b5d48726fb947e328340c4ea75f5acaf0a Mon Sep 17 00:00:00 2001
From: Clive Blackledge <clive@ansible.org>
Date: Sat, 6 Dec 2025 16:56:56 -0800
Subject: [PATCH] Change ARDUINO_USB_MODE from 0 to 1 in the board definition.
 This switches to the ESP32-S3's Hardware CDC and JTAG mode, which properly
 handles the reset signals for automatic reboot after firmware updates.
 (#8881)

---
 boards/heltec_v4.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/boards/heltec_v4.json b/boards/heltec_v4.json
index 8eac3a9b2..9827be83f 100644
--- a/boards/heltec_v4.json
+++ b/boards/heltec_v4.json
@@ -9,7 +9,7 @@
     "extra_flags": [
       "-DBOARD_HAS_PSRAM",
       "-DARDUINO_USB_CDC_ON_BOOT=1",
-      "-DARDUINO_USB_MODE=0",
+      "-DARDUINO_USB_MODE=1",
       "-DARDUINO_RUNNING_CORE=1",
       "-DARDUINO_EVENT_RUNNING_CORE=1"
     ],