restore missing build flag for esp32

this flag got lost between 0.15 and 0.16. Even when NO classic esp32 has USB-CDC., it seems that omitting the flag can cause strange behavior in the arduino-esp32 framework.
2025-11-10 16:52:24 +01:00
parent a73a2aaa33
commit 7addae9c24
1 changed files with 1 additions and 0 deletions
--- a/platformio.ini
+++ b/platformio.ini
@@ -294,6 +294,7 @@ build_flags = -g
  -Wshadow=compatible-local ;; emit warning in case a local variable "shadows" another local one
  -DARDUINO_ARCH_ESP32 -DESP32
  ${esp32_all_variants.build_flags}
+  -DARDUINO_USB_CDC_ON_BOOT=0 ;; this flag is mandatory for "classic ESP32" when building with arduino-esp32 >=2.0.3
  -D WLED_ENABLE_DMX_INPUT
 lib_deps =
  ${esp32_all_variants.lib_deps}