79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/*************************************************************
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Blynk is a platform with iOS and Android apps to control
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ESP32, Arduino, Raspberry Pi and the likes over the Internet.
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You can easily build mobile and web interfaces for any
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projects by simply dragging and dropping widgets.
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Downloads, docs, tutorials: https://www.blynk.io
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Sketch generator: https://examples.blynk.cc
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Blynk community: https://community.blynk.cc
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Follow us: https://www.fb.com/blynkapp
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https://twitter.com/blynk_app
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Blynk library is licensed under MIT license
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This example code is in public domain.
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*************************************************************
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This example shows how to keep WiFi connection on ESP8266.
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*************************************************************/
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/* Comment this out to disable prints and save space */
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#define BLYNK_PRINT Serial
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/* Fill in information from Blynk Device Info here */
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//#define BLYNK_TEMPLATE_ID "TMPxxxxxx"
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//#define BLYNK_TEMPLATE_NAME "Device"
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//#define BLYNK_AUTH_TOKEN "YourAuthToken"
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#include <ESP8266WiFi.h>
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#include <BlynkSimpleEsp8266.h>
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// Your WiFi credentials.
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// Set password to "" for open networks.
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char ssid[] = "YourNetworkName";
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char pass[] = "YourPassword";
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int lastConnectionAttempt = millis();
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int connectionDelay = 5000; // try to reconnect every 5 seconds
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void setup()
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{
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// Debug console
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Serial.begin(9600);
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Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
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}
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void loop()
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{
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// check WiFi connection:
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if (WiFi.status() != WL_CONNECTED)
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{
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// (optional) "offline" part of code
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// check delay:
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if (millis() - lastConnectionAttempt >= connectionDelay)
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{
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lastConnectionAttempt = millis();
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// attempt to connect to Wifi network:
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if (pass && strlen(pass))
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{
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WiFi.begin((char*)ssid, (char*)pass);
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}
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else
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{
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WiFi.begin((char*)ssid);
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}
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}
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}
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else
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{
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Blynk.run();
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}
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}
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