More comments, renaming files, fixing typos, new api for hourly forecast, more descriptive instructions for wetup of examples, thicker google calendar lines, fixed google calendar time aligment and location overflow.

examples/3. Projects/1.5-Weather_station_example/Network.cpp

@@ -1,353 +0,0 @@
-// Network.cpp contains various functions and classes that enable Weather station
-// They have been declared in seperate file to increase readability
-#include "Network.h"
-
-#include <WiFi.h>
-#include <WiFiMulti.h>
-#include <HTTPClient.h>
-#include <WiFiClientSecure.h>
-
-#include <ArduinoJson.h>
-
-// WiFiMulti object declaration
-WiFiMulti WiFiMulti;
-
-// Static Json from ArduinoJson library
-StaticJsonDocument<6000> doc;
-
-// Declared week days
-char weekDays[8][8] = {
-    "Mon",
-    "Tue",
-    "Wed",
-    "Thr",
-    "Fri",
-    "Sat",
-    "Sun",
-};
-
-void Network::begin(char *city)
-{
-    // Initiating wifi, like in BasicHttpClient example
-    WiFi.mode(WIFI_STA);
-    WiFiMulti.addAP(ssid, pass);
-
-    Serial.print(F("Waiting for WiFi to connect..."));
-    while ((WiFiMulti.run() != WL_CONNECTED))
-    {
-        // Printing a dot to Serial monitor every second while waiting to connect
-        Serial.print(F("."));
-        delay(1000);
-    }
-    Serial.println(F(" connected"));
-
-    // Find internet time
-    setTime();
-
-    // Search for given cities woeid
-    findCity(city);
-
-    // reduce power by making WiFi module sleep
-    WiFi.setSleep(1);
-}
-
-// Gets time from ntp server
-void Network::getTime(char *timeStr)
-{
-    // Get seconds since 1.1.1970.
-    time_t nowSecs = time(nullptr);
-
-    // Used to store time
-    struct tm timeinfo;
-    gmtime_r(&nowSecs, &timeinfo);
-
-    //Copies time string into timeStr
-    strncpy(timeStr, asctime(&timeinfo) + 11, 5);
-
-    // Setting time string timezone
-    int hr = 10 * timeStr[0] + timeStr[1] + timeZone;
-
-    // Better defined modulo, in case timezone makes hours to go below 0
-    hr = (hr % 24 + 24) % 24;
-
-    // Adding time to '0' char makes it into whatever time char, for both digits
-    timeStr[0] = hr / 10 + '0';
-    timeStr[1] = hr % 10 + '0';
-}
-
-void formatTemp(char *str, float temp)
-{
-    // Built in function for float to char* conversion
-    dtostrf(temp, 2, 0, str);
-}
-
-void formatWind(char *str, float wind)
-{
-    // Built in function for float to char* conversion
-    dtostrf(wind, 2, 0, str);
-}
-
-// Upgrade to our inital example, uses a different API to get current real time data
-bool Network::getCurrentData(char *city, char *temp1, char *temp2, char *temp3, char *temp4, char *currentTemp, char *currentWind, char *currentTime, char *currentWeather, char *currentWeatherAbbr)
-{
-    doc.clear();
-
-    bool f = 0;
-    // Return if wifi isn't connected
-    if (WiFi.status() != WL_CONNECTED)
-        return 1;
-
-    // Wake up if sleeping and save inital state
-    bool sleep = WiFi.getSleep();
-    WiFi.setSleep(false);
-
-    // Http object used to make get request
-    HTTPClient http;
-
-    http.getStream().setNoDelay(true);
-    http.getStream().setTimeout(1);
-
-    // Do another request for real-time current data
-    char url[256];
-
-    // Copies our api key and city into url get parameters
-    sprintf(url, "http://api.weatherstack.com/current?access_key=%s&query=%s", weatherStackKey, city);
-
-    http.getStream().setNoDelay(true);
-    http.getStream().setTimeout(1);
-
-    Serial.println(url);
-
-    // Initiate http
-    http.begin(url);
-
-    // Actually do request
-    int httpCode = http.GET();
-
-    delay(1000);
-
-    if (httpCode == 200)
-    {
-        int32_t len = http.getSize();
-
-        // Try parsing JSON object
-        DeserializationError error = deserializeJson(doc, http.getString());
-
-        // If an error happens print it to Serial monitor
-        if (error)
-        {
-            Serial.print(F("deserializeJson() failed: "));
-            Serial.println(error.c_str());
-
-            f = 1;
-        }
-        else
-        {
-            // Set all data got from internet using formatTemp and formatWind defined above
-            // This part relies heavily on ArduinoJson library
-
-            formatTemp(currentTemp, doc["current"]["temperature"].as<float>());
-            formatWind(currentWind, (float)doc["current"]["wind_speed"].as<int>());
-
-            //strcpy(city, doc["title"].as<char *>());
-
-            strcpy(currentWeather, doc["current"]["weather_descriptions"][0].as<char *>());
-            //strcpy(currentWeatherAbbr, doc["consolidated_weather"][0]["weather_state_abbr"].as<char *>());
-
-            // formatTemp(temp1, doc["consolidated_weather"][0][F("the_temp")].as<float>());
-            // formatTemp(temp2, doc["consolidated_weather"][1][F("the_temp")].as<float>());
-            // formatTemp(temp3, doc["consolidated_weather"][2][F("the_temp")].as<float>());
-            // formatTemp(temp4, doc["consolidated_weather"][3][F("the_temp")].as<float>());
-
-            f = 0;
-        }
-    }
-
-    // Clear document and end http
-    doc.clear();
-    http.end();
-
-    return !f;
-}
-
-void Network::getData(char *city, char *temp1, char *temp2, char *temp3, char *temp4, char *currentTemp, char *currentWind, char *currentTime, char *currentWeather, char *currentWeatherAbbr)
-{
-    // Return if wifi isn't connected
-    if (WiFi.status() != WL_CONNECTED)
-        return;
-
-    // Wake up if sleeping and save inital state
-    bool sleep = WiFi.getSleep();
-    WiFi.setSleep(false);
-
-    // Http object used to make get request
-    HTTPClient http;
-
-    http.getStream().setNoDelay(true);
-    http.getStream().setTimeout(1);
-
-    // Add woeid to api call
-    char url[256];
-    sprintf(url, "https://www.metaweather.com/api/location/%d/", location);
-
-    // Initiate http
-    http.begin(url);
-
-    // Actually do request
-    int httpCode = http.GET();
-    if (httpCode == 200)
-    {
-        int32_t len = http.getSize();
-
-        if (len > 0)
-        {
-            // Try parsing JSON object
-            DeserializationError error = deserializeJson(doc, http.getStream());
-
-            // If an error happens print it to Serial monitor
-            if (error)
-            {
-                Serial.print(F("deserializeJson() failed: "));
-                Serial.println(error.c_str());
-            }
-            else
-            {
-                // Set all data got from internet using formatTemp and formatWind defined above
-                // This part relies heavily on ArduinoJson library
-
-                //formatTemp(currentTemp, doc["consolidated_weather"][0][F("the_temp")].as<float>());
-                //formatWind(currentWind, doc["consolidated_weather"][0][F("wind_speed")].as<float>());
-
-                strcpy(city, doc["title"].as<char *>());
-
-                //strcpy(currentWeather, doc["consolidated_weather"][0]["weather_state_name"].as<char *>());
-                strcpy(currentWeatherAbbr, doc["consolidated_weather"][0]["weather_state_abbr"].as<char *>());
-
-                formatTemp(temp1, doc["consolidated_weather"][0][F("the_temp")].as<float>());
-                formatTemp(temp2, doc["consolidated_weather"][1][F("the_temp")].as<float>());
-                formatTemp(temp3, doc["consolidated_weather"][2][F("the_temp")].as<float>());
-                formatTemp(temp4, doc["consolidated_weather"][3][F("the_temp")].as<float>());
-            }
-        }
-    }
-
-    // Stop http and clear document
-    doc.clear();
-    http.end();
-
-    // Return to initial state
-    WiFi.setSleep(sleep);
-}
-
-void Network::setTime()
-{
-    // Used for setting correct time
-    configTime(0, 0, "pool.ntp.org", "time.nist.gov");
-
-    Serial.print(F("Waiting for NTP time sync: "));
-    time_t nowSecs = time(nullptr);
-    while (nowSecs < 8 * 3600 * 2)
-    {
-        // Print a dot every half a second while time is not set
-        delay(500);
-        Serial.print(F("."));
-        yield();
-        nowSecs = time(nullptr);
-    }
-
-    Serial.println();
-
-    // Used to store time info
-    struct tm timeinfo;
-    gmtime_r(&nowSecs, &timeinfo);
-
-    Serial.print(F("Current time: "));
-    Serial.print(asctime(&timeinfo));
-}
-
-void Network::getDays(char *day, char *day1, char *day2, char *day3)
-{
-    // Seconds since 1.1.1970.
-    time_t nowSecs = time(nullptr);
-
-    // Find weekday
-
-    // We get seconds since 1970, add 3600 (1 hour) times the time zone and add 3 to
-    // make monday the first day of the week, as 1.1.1970. was a thursday
-    // finally do mod 7 to insure our day is within [0, 6]
-    int dayWeek = ((long)((nowSecs + 3600L * timeZone) / 86400L) + 3) % 7;
-
-    // Copy day data to globals in main file
-    strncpy(day, weekDays[dayWeek], 3);
-    strncpy(day1, weekDays[(dayWeek + 1) % 7], 3);
-    strncpy(day2, weekDays[(dayWeek + 2) % 7], 3);
-    strncpy(day3, weekDays[(dayWeek + 3) % 7], 3);
-}
-
-void Network::findCity(char *city)
-{
-    // If not connected to wifi, return
-    if (WiFi.status() != WL_CONNECTED)
-        return;
-
-    // Wake wifi module and save initial state
-    bool sleep = WiFi.getSleep();
-    WiFi.setSleep(false);
-
-    // Http object
-    HTTPClient http;
-
-    http.getStream().setNoDelay(true);
-    http.getStream().setTimeout(1);
-
-    // Add query param to url
-    char url[256];
-    strcpy(url, "https://www.metaweather.com/api/location/search/?query=");
-    strcat(url, city);
-
-    // Initiate http
-    http.begin(url);
-
-    // Do get request
-    int httpCode = http.GET();
-    if (httpCode == 200) // 200: http success
-    {
-        int32_t len = http.getSize();
-
-        if (len > 0)
-        {
-            // Try to parse JSON object
-            DeserializationError error = deserializeJson(doc, http.getStream());
-
-            // Print error to Serial monitor if one exsists
-            if (error)
-            {
-                Serial.print(F("deserializeJson() failed: "));
-                Serial.println(error.c_str());
-            }
-            else
-            {
-                // Empty list means no matches
-                if (doc.size() == 0)
-                {
-                    Serial.println(F("City not found"));
-                }
-                else
-                {
-                    // Woeid id used for fetching data later on
-                    location = doc[0]["woeid"].as<int>();
-
-                    Serial.println(F("Found city, woied:"));
-                    Serial.println(location);
-                }
-            }
-        }
-    }
-
-    // Clear document and end http
-    doc.clear();
-    http.end();
-
-    // Return module to initial state
-    WiFi.setSleep(sleep);
-};

examples/3. Projects/1.5-Weather_station_example/Network.h

@@ -1,41 +0,0 @@
-#include "Arduino.h"
-
-#include <WiFi.h>
-
-#include <HTTPClient.h>
-
-#include <WiFiClientSecure.h>
-
-// To get timeZone from main file
-extern int timeZone;
-
-// wifi ssid and password
-extern char *ssid;
-extern char *pass;
-extern char *weatherStackKey;
-
-#ifndef NETWORK_H
-#define NETWORK_H
-
-// All functions defined in Network.cpp
-
-class Network
-{
-public:
-    // Functions we can access in main file
-    void begin(char *city);
-    void getTime(char *timeStr);
-    bool getCurrentData(char *city, char *temp1, char *temp2, char *temp3, char *temp4, char *currentTemp, char *currentWind, char *currentTime, char *currentWeather, char *currentWeatherAbbr);
-    void getData(char *city, char *temp1, char *temp2, char *temp3, char *temp4, char *currentTemp, char *currentWind, char *currentTime, char *currentWeather, char *currentWeatherAbbr);
-    void getDays(char *day, char *day1, char *day2, char *day3);
-
-    // Used to store loaction woeid (world id), set in findCity()
-    int location = -1;
-
-private:
-    // Functions called from within our class
-    void setTime();
-    void findCity(char *city);
-};
-
-#endif

examples/3. Projects/1.5-Weather_station_example/icons.h

@@ -1,15 +0,0 @@
-#ifndef ICONS_H
-#define ICONS_H
-
-#include "binary_icons/icon_c.h"
-#include "binary_icons/icon_h.h"
-#include "binary_icons/icon_hc.h"
-#include "binary_icons/icon_hr.h"
-#include "binary_icons/icon_lc.h"
-#include "binary_icons/icon_lr.h"
-#include "binary_icons/icon_s.h"
-#include "binary_icons/icon_sl.h"
-#include "binary_icons/icon_sn.h"
-#include "binary_icons/icon_t.h"
-
-#endif

examples/3. Projects/2-Hourly_weather_station_example/2-Hourly_weather_station_example.ino

@@ -22,18 +22,20 @@
 //Time zone for adding hours
 int timeZone = 2;
 
-// City search query
-char city[128] = "ZAGREB";
+//City name to de displayed on the bottom
+char city[128] = "OSIJEK";
+
+//Coordinates sent to the api
+char *lon = "45.5510548";
+char *lat = "18.5947808";
 
 //Change to your wifi ssid and password
 char *ssid = "";
 char *pass = "";
 
-// Change to your weatherstack api key
-char *weatherStackKey = "";
-
-// if you don't have one, go ahead and  register at their website:
-// https://weatherstack.com/
+//Change to your api key, if you don't have one, head over to:
+//https://openweathermap.org/guide , register and copy the key provided
+char *apiKey = "";
 
 //----------------------------------
 
@@ -61,8 +63,48 @@ Inkplate display(INKPLATE_1BIT);
 Network network;
 
 //Contants used for drawing icons
-char abbrs[32][16] = {"sn", "sl", "h", "t", "hr", "lr", "s", "hc", "lc", "c"};
-const uint8_t *logos[16] = {icon_sn, icon_sl, icon_h, icon_t, icon_hr, icon_lr, icon_s, icon_hc, icon_lc, icon_c};
+char abbrs[32][32] = {"01d", "02d", "03d", "04d", "09d", "10d", "11d", "13d", "50d", "01n", "02n", "03n", "04n", "09n", "10n", "11n", "13n", "50n"};
+const uint8_t *logos[18] = {
+    icon_01d,
+    icon_02d,
+    icon_03d,
+    icon_04d,
+    icon_09d,
+    icon_10d,
+    icon_11d,
+    icon_13d,
+    icon_50d,
+    icon_01n,
+    icon_02n,
+    icon_03n,
+    icon_04n,
+    icon_09n,
+    icon_10n,
+    icon_11n,
+    icon_13n,
+    icon_50n,
+};
+
+const uint8_t *s_logos[18] = {
+    icon_s_01d,
+    icon_s_02d,
+    icon_s_03d,
+    icon_s_04d,
+    icon_s_09d,
+    icon_s_10d,
+    icon_s_11d,
+    icon_s_13d,
+    icon_s_50d,
+    icon_s_01n,
+    icon_s_02n,
+    icon_s_03n,
+    icon_s_04n,
+    icon_s_09n,
+    icon_s_10n,
+    icon_s_11n,
+    icon_s_13n,
+    icon_s_50n,
+};
 
 //Variables for storing temperature
 char temps[8][4] = {
@@ -72,8 +114,8 @@ char temps[8][4] = {
     "0F",
 };
 
-// Variables for storing days of the week
-char days[8][4] = {
+//Variables for storing hour strings
+char hours[8][4] = {
     "",
     "",
     "",
@@ -93,7 +135,12 @@ char currentWind[16] = "0m/s";
 char currentTime[16] = "9:41";
 
 char currentWeather[32] = "-";
-char currentWeatherAbbr[8] = "th";
+char currentWeatherAbbr[8] = "01d";
+
+char abbr1[16];
+char abbr2[16];
+char abbr3[16];
+char abbr4[16];
 
 //functions defined below
 void drawWeather();
@@ -115,17 +162,6 @@ void setup()
     //Calling our begin from network.h file
     network.begin(city);
 
-    // If city not found, do nothing
-    if (network.location == -1)
-    {
-        display.setCursor(50, 290);
-        display.setTextSize(3);
-        display.print(F("City not in Metaweather Database"));
-        display.display();
-        while (1)
-            ;
-    }
-
     //Welcome screen
     display.setCursor(50, 290);
     display.setTextSize(3);
@@ -145,14 +181,14 @@ void loop()
     network.getTime(currentTime);
     if (refreshes % fullRefresh == 0)
     {
-        network.getDays(days[0], days[1], days[2], days[3]);
-        while (!network.getCurrentData(city, temps[0], temps[1], temps[2], temps[3], currentTemp, currentWind, currentTime, currentWeather, currentWeatherAbbr))
+        while (!network.getData(city, temps[0], temps[1], temps[2], temps[3], currentTemp, currentWind, currentTime, currentWeather, currentWeatherAbbr, abbr1, abbr2, abbr3, abbr4))
         {
+            Serial.println("Retrying fetching data!");
             delay(5000);
-            Serial.println("Retrying accessing API");
         }
-        network.getData(city, temps[0], temps[1], temps[2], temps[3], currentTemp, currentWind, currentTime, currentWeather, currentWeatherAbbr);
+        network.getHours(hours[0], hours[1], hours[2], hours[3]);
     }
+
     //Draw data, see functions below for info
     drawWeather();
     drawCurrent();
@@ -176,7 +212,7 @@ void loop()
 void drawWeather()
 {
     //Searching for weather state abbreviation
-    for (int i = 0; i < 10; ++i)
+    for (int i = 0; i < 18; ++i)
     {
         //If found draw specified icon
         if (strcmp(abbrs[i], currentWeatherAbbr) == 0)
@@ -233,38 +269,66 @@ void drawTemps()
     display.setTextSize(1);
     display.setTextColor(WHITE, BLACK);
 
-    display.setCursor(1 * rectSpacing + 0 * rectWidth + textMargin, 300 + textMargin + 70);
-    display.println(days[0]);
+    display.setCursor(1 * rectSpacing + 0 * rectWidth + textMargin, 300 + textMargin + 40);
+    display.println(hours[0]);
 
-    display.setCursor(2 * rectSpacing + 1 * rectWidth + textMargin, 300 + textMargin + 70);
-    display.println(days[1]);
+    display.setCursor(2 * rectSpacing + 1 * rectWidth + textMargin, 300 + textMargin + 40);
+    display.println(hours[1]);
 
-    display.setCursor(3 * rectSpacing + 2 * rectWidth + textMargin, 300 + textMargin + 70);
-    display.println(days[2]);
+    display.setCursor(3 * rectSpacing + 2 * rectWidth + textMargin, 300 + textMargin + 40);
+    display.println(hours[2]);
 
-    display.setCursor(4 * rectSpacing + 3 * rectWidth + textMargin, 300 + textMargin + 70);
-    display.println(days[3]);
+    display.setCursor(4 * rectSpacing + 3 * rectWidth + textMargin, 300 + textMargin + 40);
+    display.println(hours[3]);
 
     //Drawing temperature values into black rectangles
     display.setFont(&Roboto_Light_48);
     display.setTextSize(1);
     display.setTextColor(WHITE, BLACK);
 
-    display.setCursor(1 * rectSpacing + 0 * rectWidth + textMargin, 300 + textMargin + 160);
+    display.setCursor(1 * rectSpacing + 0 * rectWidth + textMargin, 300 + textMargin + 120);
     display.print(temps[0]);
     display.println(F("C"));
 
-    display.setCursor(2 * rectSpacing + 1 * rectWidth + textMargin, 300 + textMargin + 160);
+    display.setCursor(2 * rectSpacing + 1 * rectWidth + textMargin, 300 + textMargin + 120);
     display.print(temps[1]);
     display.println(F("C"));
 
-    display.setCursor(3 * rectSpacing + 2 * rectWidth + textMargin, 300 + textMargin + 160);
+    display.setCursor(3 * rectSpacing + 2 * rectWidth + textMargin, 300 + textMargin + 120);
     display.print(temps[2]);
     display.println(F("C"));
 
-    display.setCursor(4 * rectSpacing + 3 * rectWidth + textMargin, 300 + textMargin + 160);
+    display.setCursor(4 * rectSpacing + 3 * rectWidth + textMargin, 300 + textMargin + 120);
     display.print(temps[3]);
     display.println(F("C"));
+
+    for (int i = 0; i < 18; ++i)
+    {
+        //If found draw specified icon
+        if (strcmp(abbr1, abbrs[i]) == 0)
+            display.drawBitmap(1 * rectSpacing + 0 * rectWidth + textMargin, 300 + textMargin + 150, s_logos[i], 48, 48, WHITE, BLACK);
+    }
+
+    for (int i = 0; i < 18; ++i)
+    {
+        //If found draw specified icon
+        if (strcmp(abbr2, abbrs[i]) == 0)
+            display.drawBitmap(2 * rectSpacing + 1 * rectWidth + textMargin, 300 + textMargin + 150, s_logos[i], 48, 48, WHITE, BLACK);
+    }
+
+    for (int i = 0; i < 18; ++i)
+    {
+        //If found draw specified icon
+        if (strcmp(abbr3, abbrs[i]) == 0)
+            display.drawBitmap(3 * rectSpacing + 2 * rectWidth + textMargin, 300 + textMargin + 150, s_logos[i], 48, 48, WHITE, BLACK);
+    }
+
+    for (int i = 0; i < 18; ++i)
+    {
+        //If found draw specified icon
+        if (strcmp(abbr4, abbrs[i]) == 0)
+            display.drawBitmap(4 * rectSpacing + 3 * rectWidth + textMargin, 300 + textMargin + 150, s_logos[i], 48, 48, WHITE, BLACK);
+    }
 }
 
 //Current weather drawing function