From be738f229d3a645518c0f2bcbf3bb31965e84e09 Mon Sep 17 00:00:00 2001
From: Markus Sattler <help.markus+git@gmail.com>
Date: Wed, 3 Jun 2015 15:40:43 +0200
Subject: [PATCH] only call wifi_set_opmode when really needed

---
 .../esp8266/libraries/ESP8266WiFi/src/ESP8266WiFi.cpp          | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hardware/esp8266com/esp8266/libraries/ESP8266WiFi/src/ESP8266WiFi.cpp b/hardware/esp8266com/esp8266/libraries/ESP8266WiFi/src/ESP8266WiFi.cpp
index 84bb134ea..11a1c11ee 100644
--- a/hardware/esp8266com/esp8266/libraries/ESP8266WiFi/src/ESP8266WiFi.cpp
+++ b/hardware/esp8266com/esp8266/libraries/ESP8266WiFi/src/ESP8266WiFi.cpp
@@ -45,6 +45,9 @@ ESP8266WiFiClass::ESP8266WiFiClass()
 
 void ESP8266WiFiClass::mode(WiFiMode m)
 {
+    if(wifi_get_opmode() == (uint8)m) {
+        return;
+    }
     ETS_UART_INTR_DISABLE();
     wifi_set_opmode(m);
     ETS_UART_INTR_ENABLE();