adding HTTP requests

ESP32-json-control/ESP32-json-control.ino

@@ -1,27 +1,30 @@
 
 // librarys
 #include <WiFi.h>
-#include <ArduinoJson.h>
+#include <HTTPClient.h>
 
 // network credentials
 const char* ssid = "<your SSID>";
 const char* password = "<your WiFi password>";
 
+// URL for the HTTP requests
+const String baseurl = "http://10.10.10.10:1880";
+
+// define pins
+const int pinsout[] = {34,35,32,33,25,26};
+const int pinsout_length = 6;
+boolean pinsout_stat[6];
+
+const int pinsin[] = {27,14,12,13};
+const int pinsin_length = 4;
+boolean pinsin_stat[4];
+
 // server port
 WiFiServer server(80);
 
 // HTTP request
 String header;
 
-// define pins
-int pinsout[] = {26, 27};
-int pinsout_length = 2;
-boolean pinsout_stat[2];
-
-int pinsin[] = {32, 33};
-int pinsin_length = 2;
-int pinsin_stat[2];
-
 // define timeout
 unsigned long currentTime = millis();
 unsigned long previousTime = 0;
@@ -73,29 +76,15 @@ void loop(){
             client.println();
 
             for (int i=0; i<pinsout_length; i++){
-              if (header.indexOf("GET /"+String(i)+"/on") >= 0){
+              if (header.indexOf(String(i)+"/on") >= 0){
                 digitalWrite(pinsout[i], HIGH);
                 pinsout_stat[i] = true;
-                break;
-              }else if (header.indexOf("GET /"+String(i)+"/off") >= 0){
+              }else if (header.indexOf(String(i)+"/off") >= 0){
                 digitalWrite(pinsout[i], LOW);
                 pinsout_stat[i] = false;
-                break;
               }
             }
-
-            client.print("{\"pinsout\":[");
-            for (int i=0; i<pinsout_length-1; i++){
-              client.print(String(pinsout_stat[i])+",");
-            }
-            client.print(pinsout_stat[pinsout_length]);
-            client.print("],\"pinsin\":[");
-            for (int i=0; i<pinsin_length-1; i++){
-              client.print(String(digitalRead(pinsin[i]))+",");
-            }
-            client.print(String(digitalRead(pinsin[pinsin_length])));
-            client.print("]}");
-
+            client.print(pinsToJson());
             client.println();
             break;
           } else {
@@ -111,4 +100,31 @@ void loop(){
     Serial.println("Client disconnected.");
     Serial.println("");
   }
+
+  for (int i=0; i < pinsin_length; i++){
+    if (pinsin_stat[i] != digitalRead(pinsin[i])){
+      pinsin_stat[i] = digitalRead(pinsin[i]);
+      HTTPClient http;
+      http.begin(baseurl+"/"+i+"/"+pinsin_stat[i]);
+      http.addHeader("Content-Type", "application/json");
+      while(!http.POST(pinsToJson()));
+      http.end();
+    }
+  }
+
+}
+
+String pinsToJson(){
+  String payload = "{\"pinsout\":[";
+  for (int i=0; i<pinsout_length-1; i++){
+    payload+=String(pinsout_stat[i])+",";
+  }
+  payload+=String(pinsout_stat[pinsout_length-1]);
+  payload+="],\"pinsin\":[";
+  for (int i=0; i<pinsin_length-1; i++){
+    payload+=String(pinsin_stat[i])+",";
+  }
+  payload+=String(pinsin_stat[pinsin_length-1]);
+  payload+="]}";
+  return payload;
 }