joe/PlatformIO_WineSensor
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Add OLED Display

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This commit is contained in:
Joe Tretter
2022-09-17 18:02:23 -05:00
parent 50368d0d9f
commit 89f5541124
2 changed files with 37 additions and 17 deletions
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50
src/main.cpp
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@@ -1,14 +1,9 @@
#include <Adafruit_SSD1306.h>
#include <Arduino.h>
#if defined(ESP8266)
#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>
#elif defined(ESP32)
#include <AsyncTCP.h>
#include <WiFi.h>
#endif
#include <AsyncElegantOTA.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>
#include <WiFi.h>
const char* ssid = "JoNelsDarlings";
const char* password = "Paris2016";
@@ -19,10 +14,36 @@ unsigned long lastMillis = millis();
AsyncWebServer server(80);
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// I connected SCL to D22 and SDA to D21
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
void writeToOled(String text) {
display.clearDisplay();
display.setTextColor(WHITE);
display.setCursor(0, 0);
display.setTextSize(2);
display.print(text);
display.display();
}
void setup(void) {
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, LOW);
Serial.begin(115200);
Serial.begin(9600);
if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
Serial.println(F("SSD1306 allocation failed"));
for (;;)
;
}
delay(2000);
writeToOled("Startup");
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
Serial.println("");
@@ -54,22 +75,21 @@ void setup(void) {
server.begin();
Serial.println("HTTP server started");
pinMode(BUBBLE_GPIO, INPUT_PULLDOWN);
digitalWrite(LED_BUILTIN, HIGH);
pinMode(BUBBLE_GPIO, INPUT_PULLUP);
}
void loop(void) {
// digitalWrite(LED_BUILTIN, digitalRead(BUBBLE_GPIO));
digitalWrite(LED_BUILTIN, digitalRead(BUBBLE_GPIO));
// This runs real fast, so make sure that only the "first contact" is measured
if ((digitalRead(BUBBLE_GPIO) == HIGH) && isBubbleFirstContact) {
digitalWrite(LED_BUILTIN, LOW);
if ((digitalRead(BUBBLE_GPIO) == LOW) && isBubbleFirstContact) {
if (millis() > lastMillis) { // don't measure if we had an overflow...
bubbleFreqSec = (millis() - lastMillis) / 1000;
writeToOled("Freq: " + String(bubbleFreqSec));
}
lastMillis = millis();
isBubbleFirstContact = false;
} else if ((digitalRead(BUBBLE_GPIO) == LOW)) {
} else if ((digitalRead(BUBBLE_GPIO) == HIGH)) {
isBubbleFirstContact = true;
}