126 lines
4.6 KiB
C++
126 lines
4.6 KiB
C++
/* Rui Santos & Sara Santos - Random Nerd Tutorials - https://RandomNerdTutorials.com/esp32-lvgl-ebook/
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THIS EXAMPLE WAS TESTED WITH THE FOLLOWING HARDWARE:
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1) ESP32-2432S028R 2.8 inch 240×320 also known as the Cheap Yellow Display (CYD): https://makeradvisor.com/tools/cyd-cheap-yellow-display-esp32-2432s028r/
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SET UP INSTRUCTIONS: https://RandomNerdTutorials.com/cyd-lvgl/
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2) REGULAR ESP32 Dev Board + 2.8 inch 240x320 TFT Display: https://makeradvisor.com/tools/2-8-inch-ili9341-tft-240x320/ and https://makeradvisor.com/tools/esp32-dev-board-wi-fi-bluetooth/
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SET UP INSTRUCTIONS: https://RandomNerdTutorials.com/esp32-tft-lvgl/
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files.
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*/
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#define MAIN
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/* Install the "lvgl" library version 9.X by kisvegabor to interface with the TFT Display - https://lvgl.io/
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*** IMPORTANT: lv_conf.h available on the internet will probably NOT work with the examples available at Random Nerd Tutorials ***
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*** YOU MUST USE THE lv_conf.h FILE PROVIDED IN THE LINK BELOW IN ORDER TO USE THE EXAMPLES FROM RANDOM NERD TUTORIALS ***
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FULL INSTRUCTIONS AVAILABLE ON HOW CONFIGURE THE LIBRARY: https://RandomNerdTutorials.com/cyd-lvgl/ or https://RandomNerdTutorials.com/esp32-tft-lvgl/ */
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#include <lvgl.h>
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/* Install the "TFT_eSPI" library by Bodmer to interface with the TFT Display - https://github.com/Bodmer/TFT_eSPI
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*** IMPORTANT: User_Setup.h available on the internet will probably NOT work with the examples available at Random Nerd Tutorials ***
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*** YOU MUST USE THE User_Setup.h FILE PROVIDED IN THE LINK BELOW IN ORDER TO USE THE EXAMPLES FROM RANDOM NERD TUTORIALS ***
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FULL INSTRUCTIONS AVAILABLE ON HOW CONFIGURE THE LIBRARY: https://RandomNerdTutorials.com/cyd-lvgl/ or https://RandomNerdTutorials.com/esp32-tft-lvgl/ */
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#include <TFT_eSPI.h>
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#include "Weifi.h"
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#include "mqtt.h"
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#include "handlebme280.h"
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#include "grafik.h"
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#include "main.h"
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#define BMWREADTIME 10000
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#define NTPREADTIME 1000
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long bmeReadtimer = 0;
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long ntpReadtimer = 0;
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BME280Data bmedata;
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int currentSecond = -1;
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void showDateTime(struct tm tinfo);
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void setup() {
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// String LVGL_Arduino = String("LVGL Library Version: ") + lv_version_major() + "." + lv_version_minor() + "." + lv_version_patch();
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delay (1000);
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String LVGL_Arduino = String("LVGL Library Version: ") + "9.0.0";
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Serial.begin(115200);
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Serial.println(LVGL_Arduino);
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initBME280();
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// Start LVGL
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setup_grafik();
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Serial.println("LVGL started");
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// Function to draw the GUI
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lv_create_main_gui();
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Serial.println("Main GUI created");
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setValuetoArc(arcTemp, 25.3);
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setValuetoArc(arcHum, 45.0);
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delay(1000);
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// Start WiFi
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connectToWifi();
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// Start MQTT
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connectToMqtt();
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Serial.println("MQTT started");
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timeinfo = gettheTime(NTPREADTIME);
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showDateTime(timeinfo);
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bmeReadtimer = millis();
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drawChart();
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/*
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// Register print function for debugging
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lv_log_register_print_cb(log_print);
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Serial.println("Print function registered");
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// Function to draw the GUI
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lv_create_main_gui();
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Serial.println("Main GUI created");
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delay(1000);
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mqttReconnectTimer = xTimerCreate("mqttTimer", pdMS_TO_TICKS(2000), pdFALSE, (void*)0, reinterpret_cast<TimerCallbackFunction_t>(connectToMqtt));
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wifiReconnectTimer = xTimerCreate("wifiTimer", pdMS_TO_TICKS(2000), pdFALSE, (void*)0, reinterpret_cast<TimerCallbackFunction_t>(connectToWifi));
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WiFi.onEvent(WiFiEvent);
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mqttClient.onConnect(onMqttConnect);
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mqttClient.onDisconnect(onMqttDisconnect);
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mqttClient.onSubscribe(onMqttSubscribe);
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mqttClient.onUnsubscribe(onMqttUnsubscribe);
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mqttClient.onMessage(onMqttMessage);
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mqttClient.setServer(MQTT_HOST, MQTT_PORT);
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mqttClient.setCredentials(BROKER_USER, BROKER_PASS);
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connectToWifi();
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*/
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}
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void loop() {
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timeinfo = gettheTime(NTPREADTIME);
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if (timeinfo.tm_sec == 0) { // minute over
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showDateTime(timeinfo);
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printLocalTime();
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}
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if (millis() - bmeReadtimer > BMWREADTIME) {
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bmeReadtimer = millis();
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bmedata = readBME280();
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setValuetoArc(arcTemp, bmedata.temp);
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setValuetoArc(arcHum, bmedata.hum);
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}
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lv_task_handler(); // let the GUI do its work
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lv_tick_inc(5); // tell LVGL how much time has passed
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delay(5); // let this time pass
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}
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void showDateTime(struct tm tinfo) {
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char time[6];
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char date[50];
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strftime(time, 6, "%H:%M", &tinfo);
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strftime(date, 50, "%A, %d %B %Y", &tinfo);
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lv_label_set_text(time_label, time);
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lv_label_set_text(date_label, date);
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} |