94 lines
1.9 KiB
Arduino
94 lines
1.9 KiB
Arduino
/*
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* Sources:
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* https://www.arduino.cc/en/Tutorial/Button
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* https://techtutorialsx.com/2017/05/19/esp32-http-get-requests/
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*/
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#include <WiFi.h>
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#include <HTTPClient.h>
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const char* ssid = "LeWe";
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const char* password = "5275274365464843";
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const char* bellUrl = "http://192.168.1.117/bell/on";
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const int buttonPin = 21; // the number of the pushbutton pin
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const int ledPin = 23; // the number of the LED pin
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int buttonState = 0;
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void setup() {
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Serial.begin(115200);
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btStop(); // turn off bluetooth
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pinMode(ledPin, OUTPUT);
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pinMode(buttonPin, INPUT);
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connectWifi();
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}
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void loop() {
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if ((WiFi.status() == WL_CONNECTED)) {
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buttonState = digitalRead(buttonPin);
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delay(100);
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if (buttonState == HIGH) {
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digitalWrite(ledPin, HIGH);
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HTTPClient http;
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http.begin(bellUrl);
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Serial.print("GET ");
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Serial.println(bellUrl);
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int httpCode = http.GET();
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if (httpCode > 0) {
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//String payload = http.getString();
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Serial.println(httpCode);
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//Serial.println(payload);
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}
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else {
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Serial.println("Error on HTTP request");
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}
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http.end();
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delay(200);
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}
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else {
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digitalWrite(ledPin, LOW);
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}
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}
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else {
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Serial.println("WiFi not connected!");
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digitalWrite(ledPin, HIGH);
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delay(200);
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digitalWrite(ledPin, LOW);
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delay(50);
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digitalWrite(ledPin, HIGH);
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delay(200);
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digitalWrite(ledPin, LOW);
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connectWifi();
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}
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}
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void connectWifi() {
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boolean ledStatus = false;
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Serial.print("Connecting to ");
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Serial.println(ssid);
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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ledStatus = !ledStatus;
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digitalWrite(ledPin, ledStatus);
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}
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Serial.println("WiFi connected.");
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Serial.println("IP address: ");
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Serial.println(WiFi.localIP());
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}
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