79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
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#include <Arduino.h>
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#if defined(ESP8266)
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#include <ESP8266WiFi.h>
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#include <ESPAsyncTCP.h>
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#elif defined(ESP32)
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#include <AsyncTCP.h>
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#include <WiFi.h>
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#endif
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#include <AsyncElegantOTA.h>
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#include <ESPAsyncWebServer.h>
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const char* ssid = "JoNelsDarlings";
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const char* password = "Paris2016";
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const int BUBBLE_GPIO = 4;
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boolean isBubbleFirstContact = true;
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unsigned long bubbleFreqSec = 0;
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unsigned long lastMillis = millis();
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AsyncWebServer server(80);
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void setup(void) {
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, LOW);
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Serial.begin(115200);
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid, password);
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Serial.println("");
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// Wait for connection
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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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}
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Serial.println("");
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Serial.print("Connected to ");
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Serial.println(ssid);
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Serial.print("IP address: ");
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Serial.println(WiFi.localIP());
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server.on("/", HTTP_GET, [](AsyncWebServerRequest* request) {
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request->send(
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200, "text/html",
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"Hi! This is the Wine-Sensor. Last bubble frequency: every <b>" +
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String(bubbleFreqSec) + "</b> Seconds. [" + String(millis()) + "/" +
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String(lastMillis) + "/" + String(isBubbleFirstContact) + "/" +
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String(digitalRead(BUBBLE_GPIO)) +
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"]"
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"<script>window.setTimeout(_=>{window.location.reload();}"
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",1000)</script>");
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});
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AsyncElegantOTA.begin(&server); // Start AsyncElegantOTA
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server.begin();
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Serial.println("HTTP server started");
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pinMode(BUBBLE_GPIO, INPUT_PULLDOWN);
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digitalWrite(LED_BUILTIN, HIGH);
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}
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void loop(void) {
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// digitalWrite(LED_BUILTIN, digitalRead(BUBBLE_GPIO));
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// This runs real fast, so make sure that only the "first contact" is measured
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if ((digitalRead(BUBBLE_GPIO) == HIGH) && isBubbleFirstContact) {
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digitalWrite(LED_BUILTIN, LOW);
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if (millis() > lastMillis) { // don't measure if we had an overflow...
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bubbleFreqSec = (millis() - lastMillis) / 1000;
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}
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lastMillis = millis();
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isBubbleFirstContact = false;
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} else if ((digitalRead(BUBBLE_GPIO) == LOW)) {
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isBubbleFirstContact = true;
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}
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// need to slow it down a bit to prevent fluctuating state cahange
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delay(100);
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}
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