Slight rework of WiFi Class

- call esp_wifi_start()
- separate tcp initialization to prepare for Ethernet
- setup dhcp addresses when using custom IP config for SoftAP

libraries/WiFi/src/WiFiAP.cpp

@@ -122,16 +122,11 @@ bool WiFiAPClass::softAP(const char* ssid, const char* passphrase, int channel,
 
     wifi_config_t conf_current;
     esp_wifi_get_config(WIFI_IF_AP, &conf_current);
-    if(softap_config_equal(conf, conf_current)) {
-        //DEBUGV("softap config unchanged");
-        return true;
+    if(!softap_config_equal(conf, conf_current) && esp_wifi_set_config(WIFI_IF_AP, &conf) != ESP_OK) {
+        return false;
     }
 
-    bool ret;
-
-    ret = esp_wifi_set_config(WIFI_IF_AP, &conf) == ESP_OK;
-
-    return ret;
+    return true;
 }
 
 
@@ -149,12 +144,25 @@ bool WiFiAPClass::softAPConfig(IPAddress local_ip, IPAddress gateway, IPAddress
         return false;
     }
 
+    esp_wifi_start();
+
     tcpip_adapter_ip_info_t info;
     info.ip.addr = static_cast<uint32_t>(local_ip);
     info.gw.addr = static_cast<uint32_t>(gateway);
     info.netmask.addr = static_cast<uint32_t>(subnet);
     tcpip_adapter_dhcps_stop(TCPIP_ADAPTER_IF_AP);
     if(tcpip_adapter_set_ip_info(TCPIP_ADAPTER_IF_AP, &info) == ESP_OK) {
+        dhcps_lease_t lease;
+        lease.enable = true;
+        lease.start_ip.addr = static_cast<uint32_t>(local_ip) + (1 << 24);
+        lease.end_ip.addr = static_cast<uint32_t>(local_ip) + (11 << 24);
+
+        tcpip_adapter_dhcps_option(
+            (tcpip_adapter_option_mode_t)TCPIP_ADAPTER_OP_SET,
+            (tcpip_adapter_option_id_t)REQUESTED_IP_ADDRESS,
+            (void*)&lease, sizeof(dhcps_lease_t)
+        );
+
         return tcpip_adapter_dhcps_start(TCPIP_ADAPTER_IF_AP) == ESP_OK;
     }
     return false;

libraries/WiFi/src/WiFiGeneric.cpp

@@ -51,11 +51,19 @@ extern "C" {
 #undef max
 #include <vector>
 
+void tcpipInit(){
+    static bool initialized = false;
+    if(!initialized){
+        initialized = true;
+        tcpip_adapter_init();
+        esp_event_loop_init(&WiFiGenericClass::_eventCallback, NULL);
+    }
+}
+
 static bool wifiLowLevelInit(){
     static bool lowLevelInitDone = false;
     if(!lowLevelInitDone){
-        tcpip_adapter_init();
-        esp_event_loop_init(&WiFiGenericClass::_eventCallback, NULL);
+        tcpipInit();
         wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
         esp_err_t err = esp_wifi_init(&cfg);
         if(err){
@@ -172,7 +180,6 @@ const char * system_event_reasons[] = { "UNSPECIFIED", "AUTH_EXPIRE", "AUTH_LEAV
 esp_err_t WiFiGenericClass::_eventCallback(void *arg, system_event_t *event)
 {
     log_d("Event: %d - %s", event->event_id, system_event_names[event->event_id]);
-
     if(event->event_id == SYSTEM_EVENT_SCAN_DONE) {
         WiFiScanClass::_scanDone();
     } else if(event->event_id == SYSTEM_EVENT_STA_DISCONNECTED) {

libraries/WiFi/src/WiFiSTA.cpp

@@ -201,6 +201,7 @@ bool WiFiSTAClass::config(IPAddress local_ip, IPAddress gateway, IPAddress subne
     if(!WiFi.enableSTA(true)) {
         return false;
     }
+    esp_wifi_start();
 
     tcpip_adapter_ip_info_t info;
     info.ip.addr = static_cast<uint32_t>(local_ip);