From c8f6698050c3499fbe9089320f57f06adf49a574 Mon Sep 17 00:00:00 2001
From: Me No Dev <me-no-dev@users.noreply.github.com>
Date: Tue, 15 Feb 2022 13:26:52 +0200
Subject: [PATCH] Fix CDC+JTAG is disabled when WiFi is used on ESP32-C3

Fixes: https://github.com/espressif/arduino-esp32/issues/6264
Thanks @Spritetm
---
 libraries/WiFi/src/WiFiGeneric.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libraries/WiFi/src/WiFiGeneric.cpp b/libraries/WiFi/src/WiFiGeneric.cpp
index 5dfdacdc05d..7ca57a95299 100644
--- a/libraries/WiFi/src/WiFiGeneric.cpp
+++ b/libraries/WiFi/src/WiFiGeneric.cpp
@@ -555,6 +555,10 @@ void WiFiGenericClass::useStaticBuffers(bool bufferMode){
     _wifiUseStaticBuffers = bufferMode;
 }
 
+// Temporary fix to ensure that CDC+JTAG stay on on ESP32-C3
+#if CONFIG_IDF_TARGET_ESP32C3
+extern "C" void phy_bbpll_en_usb(bool en);
+#endif
 
 bool wifiLowLevelInit(bool persistent){
     if(!lowLevelInitDone){
@@ -587,6 +591,10 @@ bool wifiLowLevelInit(bool persistent){
         	lowLevelInitDone = false;
         	return lowLevelInitDone;
         }
+// Temporary fix to ensure that CDC+JTAG stay on on ESP32-C3
+#if CONFIG_IDF_TARGET_ESP32C3
+	phy_bbpll_en_usb(true);
+#endif
         if(!persistent){
         	lowLevelInitDone = esp_wifi_set_storage(WIFI_STORAGE_RAM) == ESP_OK;
         }