intermediate: restructure wifi,log

lib/wifi/GWWifi.h

@@ -0,0 +1,21 @@
+#ifndef _GWWIFI_H
+#define _GWWIFI_H
+#include <WiFi.h>
+#include <GWConfig.h>
+class GwWifi{
+    private:
+        const GwConfigHandler *config;
+        GwLog *logger;
+        const GwConfigInterface *wifiClient;
+        const GwConfigInterface *wifiSSID;
+        const GwConfigInterface *wifiPass;
+        bool connectInternal();
+        long lastConnectStart=0;
+    public:
+        GwWifi(const GwConfigHandler *config,GwLog *log);
+        void setup();
+        void loop();
+        bool clientConnected();
+        bool connectClient();
+};
+#endif

lib/wifi/GwWifi.cpp

@@ -0,0 +1,56 @@
+#include "GWWifi.h"
+
+
+const char *AP_ssid = "ESP32NMEA2K";  // ESP32 as AP
+const char *AP_password = "esp32nmea2k"; //too short - so no pass
+
+GwWifi::GwWifi(const GwConfigHandler *config,GwLog *log){
+    this->config=config;
+    this->logger=log;
+    wifiClient=config->getConfigItem(config->wifiClient,true);
+    wifiSSID=config->getConfigItem(config->wifiSSID,true);
+    wifiPass=config->getConfigItem(config->wifiPass,true);
+}
+void GwWifi::setup(){
+    logger->logString("Wifi setup");
+    
+    IPAddress AP_local_ip(192, 168, 15, 1);  // Static address for AP
+    IPAddress AP_gateway(192, 168, 15, 1);
+    IPAddress AP_subnet(255, 255, 255, 0);
+    WiFi.mode(WIFI_AP_STA); //enable both AP and client
+    WiFi.softAP(AP_ssid,AP_password);
+    delay(100);
+    WiFi.softAPConfig(AP_local_ip, AP_gateway, AP_subnet);
+    logger->logString("WifiAP created: ssid=%s,adress=%s",
+        AP_ssid,
+        WiFi.softAPIP().toString().c_str()
+        );
+    connectInternal();    
+}
+bool GwWifi::connectInternal(){
+    if (wifiClient->asBoolean()){
+        logger->logString("creating wifiClient ssid=%s",wifiSSID->asString().c_str());
+        WiFi.begin(wifiSSID->asCString(),wifiPass->asCString());
+        lastConnectStart=millis();
+        return true;
+    }
+    return false;
+}
+#define RETRY_MILLIS 5000
+void GwWifi::loop(){
+    if (wifiClient->asBoolean() && ! clientConnected()){
+        long now=millis();
+        if (lastConnectStart > now || (lastConnectStart+RETRY_MILLIS) < now){
+            logger->logString("wifiClient: retry connect to %s",wifiSSID->asCString());
+            WiFi.disconnect();
+            connectInternal();
+        }
+    }
+}
+bool GwWifi::clientConnected(){
+    return WiFi.status() == WL_CONNECTED;
+};
+bool GwWifi::connectClient(){
+    WiFi.disconnect();
+    return connectInternal();
+}