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#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
//needed for library
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
//for LED status
#include <Ticker.h>
Ticker ticker;
const byte LED_PIN = 13;
const byte BUTTON_PIN = 0;
void tick()
{
//toggle state
int state = digitalRead(LED_PIN); // get the current state of LED_PIN pin
digitalWrite(LED_PIN, !state); // set pin to the opposite state
}
//gets called when WiFiManager enters configuration mode
void configModeCallback (WiFiManager *myWiFiManager) {
Serial.println("Entered config mode");
Serial.println(WiFi.softAPIP());
//if you used auto generated SSID, print it
Serial.println(myWiFiManager->getConfigPortalSSID());
//entered config mode, make led toggle faster
ticker.attach(0.2, tick);
}
WiFiManager wifiManager;
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
//set led pin as output
pinMode(LED_PIN, OUTPUT);
// start ticker with 0.5 because we start in AP mode and try to connect
ticker.attach(0.6, tick);
pinMode(BUTTON_PIN, INPUT);
//WiFiManager
//Local intialization. Once its business is done, there is no need to keep it around
//WiFiManager wifiManager;
//reset settings - for testing
//wifiManager.resetSettings();
//set callback that gets called when connecting to previous WiFi fails, and enters Access Point mode
wifiManager.setAPCallback(configModeCallback);
//fetches ssid and pass and tries to connect
//if it does not connect it starts an access point with the specified name
//here "AutoConnectAP"
//and goes into a blocking loop awaiting configuration
if (!wifiManager.autoConnect()) {
Serial.println("failed to connect and hit timeout");
//reset and try again, or maybe put it to deep sleep
ESP.reset();
delay(1000);
}
//if you get here you have connected to the WiFi
Serial.println("connected...yeey :)");
ticker.detach();
//keep LED on
digitalWrite(LED_PIN, LOW);
}
bool button_state = 0;
void loop() {
// put your main code here, to run repeatedly:
button_state = digitalRead(BUTTON_PIN);
if (button_state == 0) {
wifiManager.resetSettings();
ESP.reset();
}
}
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