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