initial

ktnn-wifi-30a.ino

+#include "FS.h"
+#include <ESP8266WiFi.h>
+#include <WString.h>
+#include <DNSServer.h>
+#include <ESP8266WebServer.h>
+#include <WiFiManager.h>    
+
+WiFiServer server(80);
+
+void config_gpio();
+void config_wifi();
+void query();
+
+const char* ssid     = "SSID";     // The SSID (name) of the Wi-Fi network you want to connect to
+const char* password = "PASSWORD"; // The password of the Wi-Fi network
+
+const char* cmd_on  = "/on";
+const char* cmd_off = "/off";
+
+String header;
+
+void setup()
+{
+  Serial.begin(115200); 
+  Serial.println("Config begin");
+  Serial.println("..GPIO");
+  config_gpio();
+  Serial.println("..wifi");  
+  config_wifi();
+  server.begin();
+  Serial.println("Config end");
+}
+
+void loop() 
+{
+    query(); 
+    delay(1000);
+}
+
+void config_gpio()
+{
+   pinMode(12, OUTPUT);
+   pinMode(13, OUTPUT);
+
+   digitalWrite(12, LOW);
+   digitalWrite(13, LOW);
+}
+
+void config_wifi()
+{
+
+  IPAddress ip(192,168,0,11);
+  IPAddress gateway(192,168,0,1);
+  IPAddress subnet(255,255,255,0);   
+  WiFi.config(ip, gateway, subnet);
+  
+  WiFi.begin(ssid,password);
+  
+  Serial.print("Connecting to ");
+  Serial.print(ssid); Serial.println(" ...");
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+
+  Serial.println('\n');
+  Serial.println("WiFi connected");  
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP());
+
+}
+
+void query()
+{
+  WiFiClient client = server.available();
+
+  if (client) {
+    Serial.println("Got request...");
+    String currentLine = "";
+    while(client.connected()){
+      if(client.available()){
+        char c = client.read();
+        Serial.write(c);
+        header += c;
+        if (c=='\n'){
+          // if the current line is blank, you got two newline characters in a row.
+          // that's the end of the client HTTP request, so send a response:
+          if (currentLine.length()==0){
+            client.println("HTTP/1.1 200 OK");
+            client.println("Content-type:text/html");
+            client.println("Connection: close");
+            client.println();
+
+            if (header.indexOf("GET "+cmd_on) >= 0) {
+              Serial.println("on");
+              digitalWrite(12, HIGH);
+              digitalWrite(13, HIGH);
+            }else if (header.indexOf("GET "+cmd_off) >= 0) {
+              Serial.println("off");
+              digitalWrite(12, LOW);
+              digitalWrite(13, LOW);
+            }
+
+            client.println("OK");
+            client.println();
+            break;
+            
+          }else{
+            currentLine = "";
+          }
+        }else if (c != '\r') {  // if you got anything else but a carriage return character,
+          currentLine += c;     // add it to the end of the currentLine
+        }
+      }
+    }
+    header = "";
+    // Close the connection
+    client.stop();
+    Serial.println("Client disconnected.");
+    Serial.println("");
+  }
+}