Allow DHCP client to be re-enabled using WiFi.config(0U, 0U, 0U) (esp…

…8266#1896)
ukaszenko · Jun 12, 2016 · 00065ac · 00065ac
1 parent 17c02ff
commit 00065ac
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/libraries/ESP8266WiFi/src/ESP8266WiFiSTA.cpp b/libraries/ESP8266WiFi/src/ESP8266WiFiSTA.cpp
@@ -212,6 +212,12 @@ bool ESP8266WiFiSTAClass::config(IPAddress local_ip, IPAddress gateway, IPAddres
     info.gw.addr = static_cast<uint32_t>(gateway);
     info.netmask.addr = static_cast<uint32_t>(subnet);
 
+    if (local_ip == 0U && gateway == 0U && subnet == 0U) {
+        _useStaticIp = false;
+        wifi_station_dhcpc_start();
+        return true;
+    }
+
     wifi_station_dhcpc_stop();
     if(wifi_set_ip_info(STATION_IF, &info)) {
         _useStaticIp = true;