ifttt webhook trigger for Anwesenheitsliste

EmulatedFidgetCube/AnotherIFTTTWebhook.h

+// The MIT License
+// 
+// Copyright (c) 2015 Neil Webber
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+// ====================================================================
+// ====================================================================
+// An adapted version of IFTTT Trigger by Neil Webber
+// Original: https://gist.github.com/outofmbufs/d6ced37b49a484c495f0
+// 
+// Adaptation from: https://www.siytek.com
+//
+// How to use:
+// 1. Place AnotherIFTTTWebhook.h in the same directory as your project
+// 2. Add #include "AnotherIFTTTWebhook.h" to your main project file
+// 3. Send webhook using function in main file:
+//    send_webhook(EVENT, KEY, Value1, Value2, Value3);
+// ====================================================================
+// ====================================================================
+
+WiFiClient client;
+
+char *append_str(char *here, char *s) {
+    while (*here++ = *s++)
+  ;
+    return here-1;
+}
+
+char *append_ul(char *here, unsigned long u) {
+    char buf[20];       // we "just know" this is big enough
+
+    return append_str(here, ultoa(u, buf, 10));
+}
+
+void send_webhook(char *MakerIFTTT_Event, char *MakerIFTTT_Key, char *value1, char *value2, char *value3) {
+
+    // connect to the Maker event server
+    client.connect("maker.ifttt.com", 80);
+
+    // construct the POST request
+    char post_rqst[256];    // hand-calculated to be big enough
+
+    char *p = post_rqst;
+    p = append_str(p, "POST /trigger/");
+    p = append_str(p, MakerIFTTT_Event);
+    p = append_str(p, "/with/key/");
+    p = append_str(p, MakerIFTTT_Key);
+    p = append_str(p, " HTTP/1.1\r\n");
+    p = append_str(p, "Host: maker.ifttt.com\r\n");
+    p = append_str(p, "Content-Type: application/json\r\n");
+    p = append_str(p, "Content-Length: ");
+
+    // we need to remember where the content length will go, which is:
+    char *content_length_here = p;
+
+    // it's always two digits, so reserve space for them (the NN)
+    p = append_str(p, "NN\r\n");
+
+    // end of headers
+    p = append_str(p, "\r\n");
+
+    // construct the JSON; remember where we started so we will know len
+    char *json_start = p;
+
+    // As described - this example reports a pin, uptime, and "hello world"
+    p = append_str(p, "{\"value1\":\"");
+    p = append_str(p, value1);
+    p = append_str(p, "\",\"value2\":\"");
+    p = append_str(p, value2);
+    p = append_str(p, "\",\"value3\":\"");
+    p = append_str(p, value3);
+    p = append_str(p, "\"}");
+
+    // go back and fill in the JSON length
+    // we just know this is at most 2 digits (and need to fill in both)
+    int i = strlen(json_start);
+    content_length_here[0] = '0' + (i/10);
+    content_length_here[1] = '0' + (i%10);
+
+    // finally we are ready to send the POST to the server!
+    client.print(post_rqst);
+    client.stop();
+    
+}

EmulatedFidgetCube/EmulatedFidgetCube.ino

+#include <ESP8266WiFi.h>
+#include <ESP8266HTTPClient.h>
+#include <WiFiClient.h>
+#include "AnotherIFTTTWebhook.h"
+#include "WiFi_Credentials.h"
+
+#define IFTTT_API_KEY "jF1DREiJnO7lXPWoqcyIGb6OpMe8ANPsXBrGeJ6L41B"
+#define IFTTT_EVENT_NAME "button_pressed"
+#define USERNAME "Tobi"
+
+HTTPClient http;  //Declare an object of class HTTPClient
+
+// Buttons on D3 & D4
+const int button1 = 0;
+const int button2 = 2;
+
+void setup () {
+ 
+  Serial.begin(115200);
+  pinMode(button1, INPUT);
+  pinMode(button2, INPUT);
+  WiFi.begin(ssid, password);
+ 
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(1000);
+    Serial.println("Connecting...");
+  }
+  Serial.print("Connected to WiFi network with IP Address: ");
+  Serial.println(WiFi.localIP());
+}
+ 
+void loop() {
+  if (WiFi.status() == WL_CONNECTED) { //Check WiFi connection status
+    int button1Val = digitalRead(button1);
+    int button2Val = digitalRead(button2);
+    
+    if (button1Val == LOW) { 
+      // Send POST Request to Webook from IFTTT
+      // (EVENT, KEY, Value1, Value2, Value3)
+      send_webhook(IFTTT_EVENT_NAME, IFTTT_API_KEY, "Ich bin anwesend", USERNAME, "");
+    }
+
+    if (button2Val == LOW) { 
+      
+    }
+ 
+  }
+}

EmulatedFidgetCube/WiFi_Credentials.h

+const char* ssid = "iPhone von Tolga";
+const char* password = "TC536108";