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/* e-paper display lib */
#include <GxEPD.h>
//Use the GxGDEW029T5 class if you have Badgy Rev 2C. Make sure you are on GxEPD 3.05 or above
//#include <GxGDEW029T5/GxGDEW029T5.h>
//Use the GxGDEH029A1 class if you have anything older
#include <GxGDEH029A1/GxGDEH029A1.h>
#include <GxIO/GxIO_SPI/GxIO_SPI.h>
#include <GxIO/GxIO.h>
/* include any other fonts you want to use https://github.com/adafruit/Adafruit-GFX-Library */
#include <Fonts/FreeMonoBold9pt7b.h>
#include <Fonts/FreeMonoBold18pt7b.h>
#include "icons.h"
/* WiFi libs*/
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <ESP8266HTTPUpdateServer.h>
#include <WiFiManager.h>
/* Util libs */
#include <Time.h>
#include <TimeLib.h>
#include <ArduinoJson.h>
// Code taken from https://github.com/sqfmi/badgy - Thank you very much!
// and modified. The free account at openweathermap now allows you to get data from the onecall api, current weather and forecast included.
// AdruinoJson has a new version 6,now and the old code, well, I wasn't able to get the right side to display with v5.* versions - I always got JSON parsing failed!
// So I decided to get all of the news at once and it works like a charm!
const char* host = "api.openweathermap.org";
const char* API_KEY = "YOURKEY"; // Your API key https://home.openweathermap.org/
const String CITY_LAT = "YOURLAT"; // get yours from e. g. https://www.latlong.net/
const String CITY_LON = "YOURLION";
const String CITY_LANG = "de"; // https://openweathermap.org/api/one-call-api#multi
const int time_zone = +1; // e.g. UTC-05:00 = -5
const boolean IS_METRIC_UNITS = true; //true metrics, false imperial
/* Always include the update server, or else you won't be able to do OTA updates! */
/**/const int port = 8888;
/**/ESP8266WebServer httpServer(port);
/**/ESP8266HTTPUpdateServer httpUpdater;
/* */
/* Configure pins for display */
GxIO_Class io(SPI, SS, 0, 2);
GxEPD_Class display(io); // default selection of D4, D2
void setup()
{
display.init();
pinMode(1,INPUT_PULLUP); //down
pinMode(3,INPUT_PULLUP); //left
pinMode(5,INPUT_PULLUP); //center
pinMode(12,INPUT_PULLUP); //right
pinMode(10,INPUT_PULLUP); //up
/* WiFi Manager automatically connects using the saved credentials, if that fails it will go into AP mode */
WiFiManager wifiManager;
wifiManager.setAPCallback(configModeCallback);
wifiManager.autoConnect("Badgy AP");
if(digitalRead(5) == 0) {
/* Once connected to WiFi, startup the OTA update server if the center button is held on boot */
httpUpdater.setup(&httpServer);
httpServer.begin();
showIP();
while(1){
httpServer.handleClient();
}
}
// normal Startup
if (getWeatherData()) {
// Success in getting weather an forecast data. Sleep for an 3600e6 microseconds -- an hour.
ESP.deepSleep(3600e6, WAKE_RF_DEFAULT);
} else {
// A failure of some sort. Wait for 5 seconds and then retry.
ESP.deepSleep(5e6, WAKE_RF_DEFAULT);
}
}
void loop()
{
// loop is never executed in this program as the setup does all the work
// then puts the ESP into a deep sleep which will cause a reset at the
// conclusion which runs setup again.
}
void configModeCallback (WiFiManager *myWiFiManager) {
display.setRotation(3); //even = portrait, odd = landscape
display.fillScreen(GxEPD_WHITE);
const GFXfont* f = &FreeMonoBold9pt7b ;
display.setTextColor(GxEPD_BLACK);
display.setFont(f);
display.setCursor(0,50);
display.println("Connect to Badgy AP");
display.println("to setup your WiFi!");
display.update();
}
void showText(char *text)
{
display.setRotation(3); //even = portrait, odd = landscape
display.fillScreen(GxEPD_WHITE);
const GFXfont* f = &FreeMonoBold9pt7b ;
display.setTextColor(GxEPD_BLACK);
display.setFont(f);
display.setCursor(10,70);
display.println(text);
display.println("Auto-retry in 5 seconds.");
display.update();
}
void showIP() {
display.setRotation(3); //even = portrait, odd = landscape
display.fillScreen(GxEPD_WHITE);
const GFXfont* f = &FreeMonoBold9pt7b ;
display.setTextColor(GxEPD_BLACK);
display.setFont(f);
display.setCursor(0,10);
String url = WiFi.localIP().toString() + ":"+String(port)+"/update";
byte charArraySize = url.length() + 1;
char urlCharArray[charArraySize];
url.toCharArray(urlCharArray, charArraySize);
display.println("You are now connected!");
display.println("");
display.println("Go to:");
display.println(urlCharArray);
display.println("to upload a new sketch.");
display.update();
}
String getUnitsString() {
if (IS_METRIC_UNITS) {
return "metric";
} else {
return "imperial";
}
}
bool getWeatherData()
{
String url = "/data/2.5/onecall?lat="+CITY_LAT+"&lon="+CITY_LON+"&exclude=minutely,hourly,alerts&units="+getUnitsString()+"&lang="+CITY_LANG+"&appid="+API_KEY;
// Use WiFiClient class to create TCP connections
WiFiClient client;
const int httpPort = 80;
if (!client.connect(host, httpPort)) {
showText("connection failed");
return false;
}
// This will send the request to the server
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
unsigned long timeout = millis();
while (client.available() == 0) {
if (millis() - timeout > 5000) {
showText(">>> Client Timeout !");
client.stop();
return false;
}
}
// Read response
while(client.available()){
char status[32] = {0};
client.readBytesUntil('\r', status, sizeof(status));
if(strcmp(status, "HTTP/1.1 200 OK") != 0){
showText("HTTP Status Error!");
return false;
}
/* Find the end of headers */
char endOfHeaders[] = "\r\n\r\n";
if (!client.find(endOfHeaders)) {
showText("Invalid Response...");
return false;
}
/* Start parsing the JSON in the response body */
DynamicJsonDocument doc(8192);
// test data was 7293 told by https://arduinojson.org/v6/assistant/
DeserializationError err = deserializeJson(doc, client);
if (err) {
//Serial.println(err.f_str());
//Above doesn't work, output is garbage
// Have read hints that it might be the crystal frequency
showText("Error in deserialisation!");
return false;
}
// bulding left side of the current weather display
int time = doc["current"]["dt"];
time = time +(time_zone*60*60);
setTime(time);
float vc_temp = doc["current"]["temp"];
int c_condition = doc["current"]["weather"][0]["id"];
String c_icon_code = doc["current"]["weather"][0]["icon"];
int c_humidity = doc["current"]["humidity"];
String c_dew_point = doc["current"]["dew_point"];
float vc_wind = doc["current"]["wind_speed"];
int c_temp = (vc_temp + 0.5);
int c_wind = (vc_wind + 0.5);
const unsigned char *icon;
icon = getIcon(c_condition, c_icon_code, false);
display.setRotation(3); //even = portrait, odd = landscape
display.fillScreen(GxEPD_WHITE);
display.drawBitmap(icon, -5, 5, 80, 80, GxEPD_WHITE);
// Current fetching time
const GFXfont* small = &FreeMonoBold9pt7b;
display.setTextColor(GxEPD_BLACK);
display.setFont(small);
display.setCursor(50,11);
display.print(hour());
display.print(":");
display.print(minute());
// Current weekday, month and year
display.setCursor(120,11);
display.print(dayShortStr(weekday()));
display.print(" ");
display.print(monthShortStr(month()));
//display.print(monthGerman[month()]);
display.print(" ");
display.print(day());
display.print(" ");
display.print(year());
// Current Wind
display.drawBitmap(strong_wind_small, 0, 62, 48, 48, GxEPD_WHITE);
display.setCursor(50,92);
if (IS_METRIC_UNITS) {
display.print(String((int)(c_wind*3.6))+"km/h");
} else {
display.print(String((int)c_wind)+" mph");
}
// Current Humidity and dew point
display.drawBitmap(humidity_small, 0, 97, 32, 32, GxEPD_WHITE);
display.setCursor(42,119);
display.print(String(c_humidity)+"%");
display.print("/");
if (IS_METRIC_UNITS) {
display.print(c_dew_point + "C");
} else {
display.println(c_dew_point + "F");
}
// Current temperature
display.setCursor(72,55);
const GFXfont* big = &FreeMonoBold18pt7b;
display.setFont(big);
if (IS_METRIC_UNITS) {
display.println(String((int)c_temp) + "C");
} else {
display.println(String((int)c_temp) + "F");
}
// building right side of the forecast display
// reducing forecast to first 3 of 7 total days:
for(int i=1; i<=3; i++){
String icon_code = doc["daily"][char(i)]["weather"][0]["icon"];
int condition = doc["daily"][char(i)]["weather"][0]["id"];
float vtemp = doc["daily"][char(i)]["temp"]["max"];
int time = doc["daily"][char(i)]["dt"];
int temp = (vtemp + 0.5);
time = time + (time_zone*60*60);
setTime(time);
int offset = 100; //x offset for forecast block
const unsigned char *icon;
icon = getIcon(condition, icon_code, true);
display.drawBitmap(icon, (offset+(i*48)), 58, 48, 48, GxEPD_WHITE); //(icon, pos_x, pos_y, size_x, size_y, bg)
// Day of forecast
const GFXfont* small = &FreeMonoBold9pt7b;
display.setTextColor(GxEPD_BLACK);
display.setFont(small);
display.setCursor((offset+7+(i*48)),60);
display.print(dayShortStr(weekday()));
// Temperature of forecast
display.setCursor((offset+10+(i*48)),115);
display.print(String(temp));
}
display.update();
return true;
}
}
const unsigned char * getIcon(int condition, String icon_code, bool small) {
if(condition <= 232){
return small ? thunderstorm_small : thunderstorm;
}else if(condition >= 300 && condition <= 321){
return small ? showers_small : showers;
}else if(condition >= 500 && condition <= 531){
return small ? rain_small : rain;
}else if(condition >= 600 && condition <= 602){
return small ? snow_small : snow;
}else if(condition >= 611 && condition <= 612){
return small ? sleet_small : sleet;
}else if(condition >= 615 && condition <= 622){
return small ? rain_mix_small : rain_mix;
}else if(condition == 701 || condition == 721 || condition == 741){
return small ? fog_small : fog;
}else if(condition == 711){
return small ? smoke_small : smoke;
}else if(condition == 731){
return small ? sandstorm_small : sandstorm;
}else if(condition == 751 || condition == 761){
return small ? dust_small : dust;
}else if(condition == 762){
return small ? volcano_small : volcano;
}else if(condition == 771){
return small ? strong_wind_small : strong_wind;
}else if(condition == 781){
return small ? tornado : tornado_small;
}else if(condition == 800){
if(icon_code == "01d"){
return small ? day_sunny_small : day_sunny;
}else{
return small ? night_clear_small : night_clear;
}
}else if(condition == 801 || condition == 802){
if(icon_code == "02d" || icon_code == "03d"){
return small ? day_cloudy_small : day_cloudy;
}else{
return small ? night_cloudy_small : night_cloudy;
}
}else if(condition == 803 || condition == 804){
if(icon_code == "04d"){
return small ? cloudy_small : cloudy;
}else{
return small ? night_cloudy_small : night_cloudy;
}
}
}
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