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mtoldimtoldi
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open meteo weather app for the inkplate 2
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‎examples/Inkplate2/Projects/Inkplate2_OpenMeteo_Weather_Station/Inkplate2_OpenMeteo_Weather_Station.ino‎

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/*
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Inkplate2 OpenMeteo Weather Station Example
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Compatible with Soldered Inkplate 2
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Getting Started:
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For setup and documentation, visit: https://inkplate.readthedocs.io/en/latest/
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Overview:
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This example demonstrates how to fetch and display weather data from the OpenMeteo API
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using the Inkplate 10 e-paper display.
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Before You Start:
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- Enter your WiFi credentials carefully (they are case-sensitive).
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- Update the following variables for accurate local weather data:
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• timeZone
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• latitude
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• longitude
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Set your username and city with `myUsername` and `myCity` (for display only, not essential for the API).
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Units:
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By default, the app uses the metric system.
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To switch to Imperial units, change the metricUnits to "bool metricUnits = false;"
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*/
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#include "src/includes.h" // Include necessary libraries and dependencies for Inkplate and networking
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// --- WiFi Configuration ---
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const char *ssid = "Soldered-testingPurposes";
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const char *password = "Testing443";
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// --- User and Location Info ---
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String myUsername = "Username"; // User's name to be displayed on screen
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String myCity = "Osijek"; // City name for weather data
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int timeZone =
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2; // timeZone is the number in (UTC + number) in your time zone UTC + 2 for Osijek, UTC - 4 for New York City
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float latitude = 45.5550; // Latitude of the city
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float longitude = 18.6955; // Longitude of the city
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bool metricUnits = true; // set this to false if you wish to use Imperial units
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const char* ntpServer = "pool.ntp.org"; // in case you want to use a different one
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// --- Device and Data Objects ---
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Inkplate inkplate;
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Network network; // Network utility for weather fetching
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Network::UserInfo userInfo; // Structure to hold user and device info (battery, last updated, etc.)
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WeatherData weatherData; // Structure to hold fetched weather data
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Gui gui(inkplate); // Drawing visuals and info
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// --- Deep Sleep Configuration ---
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#define uS_TO_S_FACTOR 1000000 // Convert microseconds to seconds
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#define TIME_TO_SLEEP 120 // Sleep time: 1800 seconds = 30 minutes
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// Add this above setup()
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RTC_DATA_ATTR int bootCount = 0; // This variable persists across deep sleep resets
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// --- Main Setup: Runs Once on Boot ---
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void setup()
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{
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Serial.begin(115200); // Initialize serial monitor for debugging
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inkplate.begin(); // Start the Inkplate display
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inkplate.clearDisplay(); // Clear the screen
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// Attempt to connect to WiFi
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const unsigned long timeout = 30000;
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unsigned long startTime = millis();
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bool connected = false;
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while (!connected && (millis() - startTime) < timeout)
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{
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connected = inkplate.connectWiFi(ssid, password, 10, true);
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}
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// If WiFi failed, display error message
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if (!connected)
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{
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gui.wifiError();
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}
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else
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{
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configTime(timeZone * 3600, 0, ntpServer); // Set local time via NTP server
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// Gather battery and city info
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// userInfo.voltage = inkplate.readBattery();
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userInfo.city = myCity;
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userInfo.username = myUsername;
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userInfo.useMetric = metricUnits;
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// Fetch weather data for specified coordinates
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network.fetchWeatherData(&weatherData, &userInfo, &latitude, &longitude);
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// Display if weather API call fails
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if (userInfo.apiError)
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{
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gui.apiError();
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}
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else
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{
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if (bootCount % 2 == 1)
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{
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gui.displayWeatherData(&weatherData, &userInfo); // Odd boots
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bootCount++;
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}
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else
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{
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gui.displayWeatherData2(&weatherData, &userInfo);// Even boots
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bootCount++;
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}
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}
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}
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// Sleep to save power; wakes every 30 minutes
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esp_sleep_enable_timer_wakeup(TIME_TO_SLEEP *
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uS_TO_S_FACTOR); // Activate wake-up timer -- wake up after 30mins here
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esp_deep_sleep_start(); // Put ESP32 into deep sleep.
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}
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void loop()
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{
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// Nothing to do here - main logic runs once in setup()
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}
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‎examples/Inkplate2/Projects/Inkplate2_OpenMeteo_Weather_Station/src/Gui.cpp‎

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#include "Gui.h"
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#include "Network.h"
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#include "WeatherData.h"
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#include <Arduino.h>
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#include <Inkplate.h>
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// all the weather icons
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#include "binary_Icons/icon_s_clear_sky.h"
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#include "binary_Icons/icon_s_fog.h"
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#include "binary_Icons/icon_s_gray.h"
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#include "binary_Icons/icon_s_moon.h"
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#include "binary_Icons/icon_s_partly_cloudy.h"
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#include "binary_Icons/icon_s_rain.h"
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#include "binary_Icons/icon_s_snow.h"
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#include "binary_Icons/icon_s_storm.h"
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#include "binary_Icons/icon_s_thermometer.h"
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// font
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#include "fonts/FreeSans12pt7b.h"
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#include "fonts/FreeSans18pt7b.h"
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#include "fonts/FreeSans9pt7b.h"
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#include "fonts/FreeSans6pt7b.h"
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#include "fonts/FreeSansBold24pt7b.h"
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Gui::Gui(Inkplate &inkplate) : inkplate(inkplate)
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{
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}
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void Gui::drawBackground()
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{
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}
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void Gui::wifiError()
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{
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inkplate.clearDisplay();
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inkplate.setTextColor(INKPLATE2_BLACK);
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inkplate.setFont(&FreeSans9pt7b);
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inkplate.setCursor(10, 30);
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inkplate.print("WiFi connection failed.");
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inkplate.setCursor(10, 80);
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inkplate.print("Check credentials or try again.");
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inkplate.display();
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}
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void Gui::apiError()
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{
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inkplate.clearDisplay();
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inkplate.setTextColor(INKPLATE2_BLACK);
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inkplate.setFont(&FreeSans9pt7b);
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inkplate.setCursor(10, 30);
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inkplate.print("HTTP request failed.");
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inkplate.setCursor(10, 80);
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inkplate.print("Check API URL or try again.");
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inkplate.display();
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}
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// Weather Icons based on open-meteo api code
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const uint8_t *Gui::getWeatherIcon(int code)
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{
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switch (code)
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{
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case 0:
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return icon_s_clear_sky;
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case 1:
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case 2:
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case 3:
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return icon_s_partly_cloudy;
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case 45:
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case 48:
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return icon_s_fog;
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case 51:
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case 53:
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case 55:
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case 56:
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case 57:
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case 61:
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case 63:
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case 65:
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case 66:
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case 67:
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case 80:
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case 81:
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case 82:
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return icon_s_rain;
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case 71:
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case 73:
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case 75:
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case 77:
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case 85:
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case 86:
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return icon_s_snow;
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case 95:
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case 96:
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case 99:
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return icon_s_storm;
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default:
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return icon_s_gray;
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}
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}
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// --- Display All Weather Data ---
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void Gui::displayWeatherData(WeatherData *weatherData, Network::UserInfo *userInfo)
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{
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inkplate.setTextColor(INKPLATE2_BLACK);
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int startX = 10; // Starting x-position for the weekly forecast
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int startY = 15; // Starting y-position for the weekly forecast
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int iconSize = 48; // Size of the icon
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int margin = 5; // Margin between elements
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int dayWidth = iconSize + margin + 15; // Space for icon + margin + text width
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// Loop through the 7-day forecast and display each day
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for (int i = 0; i < 3; i++)
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{
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inkplate.setFont(&FreeSans6pt7b);
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int xPos = startX + i * dayWidth;
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// Day name
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inkplate.setCursor(xPos + 15, startY);
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inkplate.print(weatherData->dailyNames[i]);
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// Weather icon
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inkplate.setFont(&FreeSans6pt7b);
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inkplate.drawBitmap(xPos + 5, startY + 8, getWeatherIcon(weatherData->dailyWeatherCodes[i]), iconSize,
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iconSize, INKPLATE2_BLACK);
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int tempYStart = startY + iconSize + margin;
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// === Max Temp - Up Arrow Triangle ===
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int arrowX = xPos;
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int arrowY = tempYStart + 15;
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// Triangle pointing up
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inkplate.fillTriangle(arrowX, arrowY, // bottom center
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arrowX - 4, arrowY + 6, // bottom left
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arrowX + 4, arrowY + 6, // bottom right
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INKPLATE2_RED // white color
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);
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// Max temp text next to it
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inkplate.setCursor(arrowX + 10, arrowY + 6);
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inkplate.print(weatherData->dailyMaxTemp[i]);
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inkplate.print(userInfo->temperatureLabel);
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// === Min Temp - Down Arrow Triangle ===
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arrowY += 10;
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// Triangle pointing down
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inkplate.fillTriangle(arrowX, arrowY + 6, // top center
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arrowX - 4, arrowY, // bottom left
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arrowX + 4, arrowY, // bottom right
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INKPLATE2_BLACK // white color
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);
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// Min temp text next to it
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inkplate.setCursor(arrowX + 10, arrowY + 6);
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inkplate.print(weatherData->dailyMinTemp[i]);
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inkplate.print(userInfo->temperatureLabel);
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}
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// Finalize drawing
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inkplate.display();
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}
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// --- Display All Weather Data ---
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void Gui::displayWeatherData2(WeatherData *weatherData, Network::UserInfo *userInfo)
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{
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// Section 1: Main info
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inkplate.setFont(&FreeSans12pt7b);
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inkplate.setTextColor(INKPLATE2_BLACK);
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inkplate.drawBitmap(0, 5, icon_s_gray, 48, 48, INKPLATE2_RED);
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inkplate.setCursor(55, 35);
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inkplate.print(userInfo->city);
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inkplate.setFont(&FreeSans9pt7b);
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//inkplate.drawBitmap(0, 50, icon_s_thermometer, 24, 24, INKPLATE2_BLACK);
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inkplate.setCursor(55, 75);
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inkplate.print(weatherData->currentTemp);
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inkplate.print(userInfo->temperatureLabel);
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inkplate.drawBitmap(0, 55, getWeatherIcon(weatherData->weatherCode), 48, 48, INKPLATE2_BLACK);
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inkplate.setCursor(55, 95);
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inkplate.println(weatherData->weatherDescription);
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// Finalize drawing
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inkplate.display();
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}

‎examples/Inkplate2/Projects/Inkplate2_OpenMeteo_Weather_Station/src/Gui.h‎

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#ifndef GUI_H
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#define GUI_H
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#include "Inkplate.h"
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#include "Network.h"
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#include "WeatherData.h"
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#include <Arduino.h>
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class Gui
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{
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public:
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Gui(Inkplate &inkplate);
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void drawBackground();
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void displayWeatherData(WeatherData *weatherData, Network::UserInfo *userInfo);
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void displayWeatherData2(WeatherData *weatherData, Network::UserInfo *userInfo);
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void wifiError();
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void apiError();
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private:
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Inkplate &inkplate;
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void drawTemperaturePrecipGraph(WeatherData *weatherData, Network::UserInfo *userInfo);
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const uint8_t* getWeatherIcon(int code);
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const uint8_t* getBatteryIcon(int percentage);
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};
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#endif

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