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190
ESP8266-FV-oled.ino
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190
ESP8266-FV-oled.ino
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#include <SPI.h>
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#include <Wire.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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#include <ESP8266WiFi.h> // Include the Wi-Fi library
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#include <ESP8266HTTPClient.h>
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 64 // OLED display height, in pixels
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// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
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// The pins for I2C are defined by the Wire-library.
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// On an arduino UNO: A4(SDA), A5(SCL)
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// On an arduino MEGA 2560: 20(SDA), 21(SCL)
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// On an arduino LEONARDO: 2(SDA), 3(SCL), ...
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#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
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#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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#define TASKER_MAX_TASKS 4
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#include "Tasker.h"
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HTTPClient http;
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WiFiClient client;
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Tasker tasker;
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const char* ssid = "Aurora"; // The SSID (name) of the Wi-Fi network you want to connect to
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const char* password = "***"; // The password of the Wi-Fi network
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const char* URL_SITON = "http://10.22.128.244/metrics";
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const char* URL_TEMP = "http://10.22.128.184/metrics";
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int vykon;
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bool priorita;
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float teplota;
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bool isTeplotaVisible = true;
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void setup() {
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// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
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if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
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for (;;); // Don't proceed, loop forever
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}
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WiFi.begin(ssid, password); // Connect to the network
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while (WiFi.status() != WL_CONNECTED) { // Wait for the Wi-Fi to connect
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delay(1000);
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}
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// Clear the buffer
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display.clearDisplay();
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// Show the display buffer on the screen. You MUST call display() after
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// drawing commands to make them visible on screen!
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display.display();
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getData();
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renderDisplay();
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tasker.setInterval(getData, 10000);
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tasker.setInterval(renderDisplay, 500);
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}
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void getData() {
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getSitonData(&vykon, &priorita);
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getTeplota(&teplota);
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}
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void renderDisplay() {
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display.clearDisplay();
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display.setRotation(2);
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if (priorita) {
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display.fillRect(0, 0, display.width(), display.height() / 2, SSD1306_WHITE);
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display.setTextColor(SSD1306_BLACK);
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} else {
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display.setTextColor(SSD1306_WHITE);
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}
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display.setTextSize(3); // Normal 1:1 pixel scale
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String vykonString = (vykon >= 1000 ? String((float)vykon / 1000) : String((int)vykon)) + (vykon >= 1000 ? " kW" : " W");
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const char* text1 = vykonString.c_str();
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int16_t x1, y1;
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uint16_t w1, h1;
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display.getTextBounds(text1, 0, 0, &x1, &y1, &w1, &h1);
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display.setCursor((display.width() - w1) / 2, (display.height() / 2 - h1) / 2); // Start at top-left corner
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display.println(text1);
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display.setTextSize(2); // Normal 1:1 pixel scale
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if (isTeplotaVisible) {
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display.setTextColor(SSD1306_WHITE); // Draw 'inverse' text
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} else {
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display.setTextColor(SSD1306_BLACK); // Draw 'inverse' text
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}
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String teplotaString = String(teplota) + (char)247 + "C";
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const char* text2 = teplotaString.c_str();
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int16_t x2, y2;
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uint16_t w2, h2;
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display.getTextBounds(text2, 0, 0, &x2, &y2, &w2, &h2);
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display.setCursor((display.width() - w2) / 2, display.height() - h2); // Start at top-left corner
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display.println(text2);
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display.display();
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!priorita?isTeplotaVisible=true:isTeplotaVisible = !isTeplotaVisible;
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}
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void loop() {
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tasker.loop();
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/*
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display.clearDisplay();
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if (priorita) {
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display.fillRect(0, 0, display.width(), display.height() / 2, SSD1306_WHITE);
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display.setTextColor(SSD1306_BLACK);
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} else {
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display.setTextColor(SSD1306_WHITE);
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}
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display.setTextSize(3); // Normal 1:1 pixel scale
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String vykonString = (vykon >= 1000 ? String((float)vykon / 1000) : String((int)vykon)) + (vykon >= 1000 ? " kW" : " W");
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const char* text1 = vykonString.c_str();
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int16_t x1, y1;
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uint16_t w1, h1;
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display.getTextBounds(text1, 0, 0, &x1, &y1, &w1, &h1);
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display.setCursor((display.width() - w1) / 2, (display.height() / 2 - h1) / 2); // Start at top-left corner
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display.println(text1);
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display.setTextSize(2); // Normal 1:1 pixel scale
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display.setTextColor(SSD1306_WHITE); // Draw 'inverse' text
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String teplotaString = String(teplota) + (char)247 + "C";
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const char* text2 = teplotaString.c_str();
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int16_t x2, y2;
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uint16_t w2, h2;
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display.getTextBounds(text2, 0, 0, &x2, &y2, &w2, &h2);
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display.setCursor((display.width() - w2) / 2, display.height() - h2); // Start at top-left corner
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display.println(text2);
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display.display();
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delay(15000);
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*/
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}
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void getSitonData(int* vykon, bool* priorita) {
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http.begin(client, URL_SITON);
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int httpCode = http.GET();
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if (httpCode != 200) {
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*vykon = -1;
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*priorita = 0;
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}
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String vykonString = http.getString();
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vykonString = vykonString.substring(vykonString.indexOf('v'));
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vykonString = vykonString.substring(0, vykonString.indexOf('\n'));
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*vykon = vykonString.substring(vykonString.indexOf(' ')).toInt();
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String prioritaString = http.getString();
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prioritaString = prioritaString.substring(prioritaString.indexOf('r'));
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prioritaString = prioritaString.substring(prioritaString.indexOf('i'));
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prioritaString = prioritaString.substring(prioritaString.indexOf('o'));
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prioritaString = prioritaString.substring(prioritaString.indexOf('r'));
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prioritaString = prioritaString.substring(prioritaString.indexOf('i'));
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prioritaString = prioritaString.substring(prioritaString.indexOf('t'));
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prioritaString = prioritaString.substring(prioritaString.indexOf('a'));
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prioritaString = prioritaString.substring(0, prioritaString.indexOf('\n'));
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*priorita = prioritaString.substring(prioritaString.indexOf(' ')).toInt();
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}
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void getTeplota(float* teplota) {
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// Získat data z Node Exporter
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http.begin(client, URL_TEMP);
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int httpCode = http.GET();
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if (httpCode != 200) {
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*teplota = -1;
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}
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String data = http.getString();
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data = data.substring(data.indexOf('2'));
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data = data.substring(data.indexOf('8'));
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data = data.substring(data.indexOf('f'));
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data = data.substring(data.indexOf('f'));
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data = data.substring(data.indexOf('4'));
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data = data.substring(data.indexOf('8'));
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data = data.substring(data.indexOf('9'));
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data = data.substring(data.indexOf('f'));
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data = data.substring(data.indexOf('5'));
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data = data.substring(0, data.indexOf('\n'));
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*teplota = data.substring(data.indexOf(' ')).toFloat();
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}
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