Hatte bevor ich blynk entdeckt hatte auf dem ESP8266 folgenden Code laufen:
/*
* Creation: 02.11.2016
* Last Update: 20.12.2016
*
* Copyright (c) 2016 by Georg Kainzbauer <http://www.gtkdb.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
// wireless network credentials:
const char* ssid = "<your_ssid>";
const char* password = "<your_wireless_password>";
// hostname for this system:
const char* host = "webcontrol";
// define GPIO pins:
const int output1 = 0;
const int output2 = 2;
// output status variables:
boolean output1_state = false;
boolean output2_state = false;
// web server on port 80:
ESP8266WebServer server(80);
String getContent()
{
// create content for the website:
String content = "<html><head><title>ESP8266 WebControl</title></head><body>";
content += "This page shows the current state of the ESP8266 outputs and can be used to control these.
";
if (output1_state)
{
content += "Output1: <a href=\"output1\"><button>ON</button></a>
";
}
else
{
content += "Output1: <a href=\"output1\"><button>OFF</button></a>
";
}
if (output2_state)
{
content += "Output2: <a href=\"output2\"><button>ON</button></a>
";
}
else
{
content += "Output2: <a href=\"output2\"><button>OFF</button></a>
";
}
content += "</body></html>";
return content;
}
void setup()
{
// configure GPIO 0 and GPIO 2 as outputs:
pinMode(output1, OUTPUT);
pinMode(output2, OUTPUT);
// set outputs to low:
digitalWrite(output1, LOW);
digitalWrite(output2, LOW);
// initialize serial port for debugging purpose:
Serial.begin(115200);
// connect to the wireless network:
WiFi.begin(ssid, password);
// wait for wireless network connection and print connection settings:
Serial.println("");
while (WiFi.status() != WL_CONNECTED)
{
Serial.print(".");
delay(500);
}
Serial.println("");
Serial.println("Wireless network connection established.");
Serial.print("SSID: ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
// initialize mDNS:
if (MDNS.begin(host))
{
Serial.println("mDNS responder started");
}
MDNS.addService("http", "tcp", 80);
// start HTTP server:
server.begin();
Serial.println("HTTP server started");
// print start page:
server.on("/", [](){
server.send(200, "text/html", getContent());
});
// control output1:
server.on("/output1", [](){
if (output1_state)
{
digitalWrite(output1, LOW);
output1_state = false;
}
else
{
digitalWrite(output1, HIGH);
output1_state = true;
}
server.send(200, "text/html", getContent());
delay(1000);
});
// control output2:
server.on("/output2", [](){
if (output2_state)
{
digitalWrite(output2, LOW);
output2_state = false;
}
else
{
digitalWrite(output2, HIGH);
output2_state = true;
}
server.send(200, "text/html", getContent());
delay(1000);
});
}
void loop()
{
// handle HTTP request:
server.handleClient();
}
Der läuft über ein webinterface local in meinem WLAN.
Damit umgehe ich doch das Problem, meinen Kram auf irgendeinem Server im Internet liegen zu haben, oder?