POST http client example

libraries/ESP8266HTTPClient/examples/PostHttpClient/PostHttpClient.ino

@@ -0,0 +1,71 @@
+/**
+ * PostHTTPClient.ino
+ *
+ *  Created on: 21.11.2016
+ *
+ */
+
+#include <Arduino.h>
+
+#include <ESP8266WiFi.h>
+#include <ESP8266WiFiMulti.h>
+
+#include <ESP8266HTTPClient.h>
+
+#define USE_SERIAL Serial
+
+ESP8266WiFiMulti WiFiMulti;
+
+void setup() {
+
+    USE_SERIAL.begin(115200);
+   // USE_SERIAL.setDebugOutput(true);
+
+    USE_SERIAL.println();
+    USE_SERIAL.println();
+    USE_SERIAL.println();
+
+    for(uint8_t t = 4; t > 0; t--) {
+        USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
+        USE_SERIAL.flush();
+        delay(1000);
+    }
+
+    WiFiMulti.addAP("SSID", "PASSWORD");
+
+}
+
+void loop() {
+    // wait for WiFi connection
+    if((WiFiMulti.run() == WL_CONNECTED)) {
+
+        HTTPClient http;
+
+        USE_SERIAL.print("[HTTP] begin...\n");
+        // configure traged server and url
+        http.begin("http://192.168.1.12/post/"); //HTTP
+        http.addHeader("Content-Type", "application/json");
+
+        USE_SERIAL.print("[HTTP] POST...\n");
+        // start connection and send HTTP header and body
+        int httpCode = http.POST("{\"hello\":\"world\"}");
+
+        // httpCode will be negative on error
+        if(httpCode > 0) {
+            // HTTP header has been send and Server response header has been handled
+            USE_SERIAL.printf("[HTTP] POST... code: %d\n", httpCode);
+
+            // file found at server
+            if(httpCode == HTTP_CODE_OK) {
+                String payload = http.getString();
+                USE_SERIAL.println(payload);
+            }
+        } else {
+            USE_SERIAL.printf("[HTTP] POST... failed, error: %s\n", http.errorToString(httpCode).c_str());
+        }
+
+        http.end();
+    }
+
+    delay(10000);
+}