garage_esp32 with server and buttons

garage/garage_esp32/garage_esp32.ino

@@ -1,17 +1,68 @@
+/* 
+ *  Sources:
+ *  https://randomnerdtutorials.com/esp32-esp8266-web-server-physical-button/
+ * 
+ */
+
+
 #include <WiFi.h>
+#include <AsyncTCP.h>
+#include <ESPAsyncWebSrv.h>
 #include <HTTPClient.h>
 
+
 const char* ssid     = "LeWe";
 const char* password = "5275274365464843";
 
-WiFiServer server(80);
+const int PIN_LED = 2;
-String header;
+const int PIN_GARAGE_BUTTON = 4;
+const int PIN_GATE_BUTTON = 5;
+const int PIN_GARAGE = 18;
+const int PIN_GATE = 19;
+const int PIN_DOOR_OPEN = 21;
+const int PIN_DOOR_CLOSED = 22;
+const int PIN_SENSOR_GATE= 23;
+
+
+AsyncWebServer server(80);
+const char* PARAM_MESSAGE = "message";
 
 WiFiClient webClient;
-String webhook = "http://www.google.com/";
 HTTPClient http;
 
 
+
+void notFound(AsyncWebServerRequest *request) {
+  request->send(404, "text/plain", "Not found");
+}
+
+void pinStatus(AsyncWebServerRequest *request) {
+  String status = "PIN_DOOR_OPEN: " + String(digitalRead(PIN_DOOR_OPEN)) + "\n" + "PIN_DOOR_CLOSED: " + String(digitalRead(PIN_DOOR_CLOSED));
+  request->send(200, "text/plain", status);
+}
+
+void mowerSafety() {
+  if (http.begin(webClient, "http://192.168.178.54/json?cmd=status&user=lewe&pass=nFdcX3sMD115WAap")) {
+    int httpCode = http.GET();
+    
+    if (httpCode > 0) {
+      if (httpCode == HTTP_CODE_OK) {
+        String payload = http.getString();
+
+        // TODO abhängig vom Status Befehl an den Mäher schicken
+        Serial.println(payload);
+      }
+    }
+    else {
+      Serial.printf("HTTP Error: ", http.errorToString(httpCode).c_str());
+    }
+    http.end();
+  }
+  else {
+    Serial.println("Could not send HTTP request to mower");
+  }
+}
+
 void setup() {
   // start serial output
   Serial.begin(115200);
@@ -19,118 +70,126 @@ void setup() {
   
   btStop(); // turn off bluetooth
 
-  Serial.print("Connecting to ");
+  pinMode(PIN_LED, OUTPUT);
-  Serial.println(ssid);
+  pinMode(PIN_GARAGE_BUTTON, INPUT);
-  WiFi.hostname("garage-esp32");
+  pinMode(PIN_GATE_BUTTON, INPUT);
-  WiFi.begin(ssid, password);
+  pinMode(PIN_GARAGE, OUTPUT);
+  pinMode(PIN_GATE, OUTPUT);
+  pinMode(PIN_DOOR_OPEN, INPUT);
+  pinMode(PIN_DOOR_CLOSED, INPUT);
+  pinMode(PIN_SENSOR_GATE, INPUT);
 
+  WiFi.begin(ssid, password);
   while (WiFi.status() != WL_CONNECTED) {
-    delay(500);
+    delay(1000);
-    Serial.print(".");
+    Serial.println("Connecting to WiFi...");
   }
-  Serial.println("");
-  Serial.print("WiFi connected, IP address: ");
   Serial.println(WiFi.localIP());
   WiFi.setAutoReconnect(true);
   WiFi.persistent(true);
 
+  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
+    request->send_P(200, "text/html", "Hello World!");
+  });
+
+  server.on("/garage", HTTP_GET, [] (AsyncWebServerRequest *request) {
+    String action;
+    if (request->hasParam("action")) {
+      action = request->getParam("action")->value();
+
+      if (action.equals("open") and digitalRead(PIN_DOOR_CLOSED) and not digitalRead(PIN_DOOR_OPEN)) {
+          request->send(200, "application/json", "{ \"action\": \"open\" }");
+      }
+      else if (action.equals("close") and digitalRead(PIN_DOOR_OPEN) and not digitalRead(PIN_DOOR_CLOSED)) {
+        request->send(200, "application/json", "{ \"action\": \"close\" }");
+      }
+      else {
+        pinStatus(request);
+      }
+    }
+    else {
+      if (digitalRead(PIN_DOOR_OPEN) and not digitalRead(PIN_DOOR_CLOSED)) {
+        request->send(200, "application/json", "{ \"status\": \"true\" }");
+      }
+      else {
+        request->send(200, "application/json", "{ \"status\": \"false\" }");
+      }
+    }
+  });
+
+  server.on("/gate", HTTP_GET, [] (AsyncWebServerRequest *request) {
+    String action;
+    if (request->hasParam("action")) {
+      action = request->getParam("action")->value();
+
+      if (action.equals("open") and not digitalRead(PIN_SENSOR_GATE)) {
+          request->send(200, "application/json", "{ \"action\": \"open\" }");
+      }
+      else if (action.equals("close") and digitalRead(PIN_SENSOR_GATE)) {
+        request->send(200, "application/json", "{ \"action\": \"close\" }");
+      }
+      else {
+        pinStatus(request);
+      }
+    }
+    else {
+      if (digitalRead(PIN_SENSOR_GATE)) {
+        request->send(200, "application/json", "{ \"status\": \"false\" }");
+      }
+      else {
+        request->send(200, "application/json", "{ \"status\": \"true\" }");
+      }
+    }
+  });
+
+  server.onNotFound(notFound);
+
   server.begin();
   Serial.println("Setup completed");
 }
 
+
+void trigger(int pinNo) {
+  Serial.print("Trigger ");
+  Serial.println(pinNo);
+  digitalWrite(pinNo, HIGH);
+  digitalWrite(PIN_LED, HIGH);
+  delay(400);
+  digitalWrite(pinNo, LOW);
+  digitalWrite(PIN_LED, LOW);
+}
+
+unsigned long lastDebounceTime = 0;
+unsigned long debounceDelay = 80;
+int lastVal = LOW;
+
 void loop() {
-  WiFiClient client = server.available();   // Listen for incoming clients
 
-  if (client) {
+  int newVal = digitalRead(PIN_GARAGE_BUTTON);
-    String currentLine = "";                // make a String to hold incoming data from the client
+  if (newVal != lastVal) {
-    while (client.connected()) {            // loop while the client's connected
+    lastDebounceTime = millis();
-      if (client.available()) {             // if there's bytes to read from the client,
+    while (((millis() - lastDebounceTime) < debounceDelay) and digitalRead(PIN_GARAGE_BUTTON) != lastVal) {
-        char c = client.read();             // read a byte, then
+      delay(1);
-        //Serial.write(c);                    // print it out the serial monitor
-        header += c;
-        if (c == '\n') {                    // if the byte is a newline character
-          // 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) {
-            // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
-            // and a content-type so the client knows what's coming, then a blank line:
-            client.println("HTTP/1.1 200 OK");
-            client.println("Content-type: text/html; charset=utf-8");
-            client.println("Connection: close");
-            client.println();
-            
-            // turns the GPIOs on and off
-            if (header.indexOf("GET /bell/on") >= 0) {
-              Serial.println("RING");
     }
-            else  if (header.indexOf("GET /play/") >= 0) { // yes, I know this is not RESTful
+    if (digitalRead(PIN_GARAGE_BUTTON) != lastVal) {
-              String str1 = header;
+      lastVal = newVal;
-              str1 = str1.substring(header.indexOf("GET /play/") + 10);
+      if (newVal == HIGH) {
-              int fileNo = str1.substring(0, str1.indexOf(" ")).toInt();
+        trigger(PIN_GARAGE);
-              
-              Serial.print("Play file ");
-              Serial.println(fileNo);
       }
-            else if (header.indexOf("GET /restart") >= 0) {
-              Serial.println("Restarting...");
-              ESP.restart();
-            }
-            
-            // Display the HTML web page
-            client.println("<!DOCTYPE html><html>");
-            client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
-            client.println("<link rel=\"icon\" href=\"data:,\">");
-            client.println("<title>Doorbell</title>");
-            client.println("<style>html { font-family: sans-serif; display: inline-block; margin: 0px auto; text-align: center; }");
-            client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px; text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
-            client.println(".button2 { background-color: #4CAF50; border: none; color: white; padding: 4px 10px; text-decoration: none; margin: 1px; cursor: pointer;}</style></head>");
-            
-            client.println("<body><h1>Doorbell</h1>");
-            client.println("<p><a href=\"/bell/on\"><button class=\"button\">Ring</button></a></p>");
-            client.println("</body></html>");
-            
-            // The HTTP response ends with another blank line
-            client.println();
-
-            // call webhook after ringing
-            if (header.indexOf("GET /bell/on") >= 0) {
-              
-              if (http.begin(webClient, webhook)) {
-                int httpCode = http.GET();
-                
-                if (httpCode > 0) {
-                  if (httpCode == HTTP_CODE_OK) {
-                    String payload = http.getString();
-                    //Serial.println(payload);
-                  }
-                }
-                else {
-                  Serial.printf("HTTP Error: ", http.errorToString(httpCode).c_str());
-                }
-                // close connection
-                http.end();
-              }
-              else {
-                Serial.println("Could not send HTTP request");
     }
   }
 
-            break;
+  newVal = digitalRead(PIN_GATE_BUTTON);
+  if (newVal != lastVal) {
+    lastDebounceTime = millis();
+    while (((millis() - lastDebounceTime) < debounceDelay) and digitalRead(PIN_GATE_BUTTON) != lastVal) {
+      delay(1);
     }
-          else { // if you got a newline, then clear currentLine
+    if (digitalRead(PIN_GATE_BUTTON) != lastVal) {
-            currentLine = "";
+      lastVal = newVal;
+      if (newVal == HIGH) {
+        trigger(PIN_GATE);
       }
     }
-        else if (c != '\r') {  // if you got anything else but a carriage return character,
-          currentLine += c;      // add it to the end of the currentLine
-        }
-      }
-    }
-    // Clear the header variable
-    header = "";
-    // Close the connection
-    client.stop();
-    Serial.println("Client disconnected");
-    Serial.println("");
   }
 }