From bdb40f0ab860db0f50a71a59d66ee060f3ee3dd7 Mon Sep 17 00:00:00 2001
From: Luc <8822552+luc-github@users.noreply.github.com>
Date: Sat, 23 Oct 2021 09:31:18 +0800
Subject: [PATCH] Workaround the WiFi scan not working on Serial with latest
 ESP32 core

---
 esp3d/src/core/espcmd/ESP410.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/esp3d/src/core/espcmd/ESP410.cpp b/esp3d/src/core/espcmd/ESP410.cpp
index 9b05e2c4..ef703f72 100644
--- a/esp3d/src/core/espcmd/ESP410.cpp
+++ b/esp3d/src/core/espcmd/ESP410.cpp
@@ -47,10 +47,10 @@ bool Commands::ESP410(const char* cmd_params, level_authenticate_type auth_type,
     bool plain = hastag(cmd_params,"plain");
     int n = 0;
     uint8_t total = 0;
+    n = WiFi.scanNetworks ();
     if (plain) {
         output->printLN ("Start Scan");
     }
-    n = WiFi.scanNetworks ();
     if (!plain) {
         output->print ("{\"AP_LIST\":[");
     }
@@ -104,7 +104,9 @@ bool Commands::ESP410(const char* cmd_params, level_authenticate_type auth_type,
     if (!plain) {
         output->printLN ("]}");
     } else {
-        output->printLN ("");
+        if(total>0) {
+            output->printLN ("");
+        }
         output->printLN ("End Scan");
     }
     WiFi.mode((WiFiMode_t)currentmode);