CPlusPlus/weather-info
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

v.0.3.1 use of WeatherFetcher

Browse Source
This commit is contained in:
tiijay
2025-11-10 14:47:37 +01:00
parent 4c8b5c952b
commit 5717425d25
4 changed files with 36 additions and 167 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/LedMatrix/src/LedMatrix.h
View File

@@ -49,7 +49,7 @@ public:
void clearRow(uint8_t y);
// Draw text string
void drawText(int x, int y, const char *text, CRGB color);
void drawText(int x, int y, const char *text, CRGB color = CRGB::White);
void drawHorizontalScrollText(uint8_t y, const char *text, CRGB color, uint8_t scrollSpeed = 100);
};

9
lib/WeatherData/src/WeatherFetcher.cpp
View File

@@ -41,19 +41,22 @@ Weather WeatherFetcher::actual_weather(const char *city, const char *lang, bool
}
String weather_url =
"https://api.weatherapi.com/v1/current.json?key=" + String(API_KEY) +
"http://api.weatherapi.com/v1/current.json?key=" + String(API_KEY) +
"&q=" + String(city) + "&aqi=yes&lang=" + String(lang);
Serial.println("Hole Wetterdaten von: " + weather_url);
String msg = "Hole Wetterdaten von: " + weather_url;
ColorSerial::info(msg.c_str());
String json_data = fetch_from_url(weather_url);
if (!json_data.isEmpty())
{
ColorSerial::info("data retrieved");
weather = parse_weather_json(json_data);
}
else
{
ColorSerial::error("no data retrieved");
Serial.println("Fehler beim Abrufen der Wetterdaten!");
}
@@ -66,7 +69,7 @@ String WeatherFetcher::fetch_from_url(const String &url)
String payload = "";
http.begin(url);
http.setTimeout(10000);
// http.setTimeout(10000);
int httpCode = http.GET();

1
lib/WeatherData/src/WeatherStructs.h
View File

@@ -1,6 +1,7 @@
#ifndef WEATHERSTRUCTS_H
#define WEATHERSTRUCTS_H
#include <Arduino.h>
#include <optional>
struct Location

191
src/main.cpp
View File

@@ -8,6 +8,13 @@
#include <BlinkInternLed.h>
#include <mathematics.h>
#include <WeatherFetcher.h>
const char *api_key = "3545ce42d0ba436e8dc164532250410";
const char *ssid = "WOKWI-Guest";
const char *password = "12345678";
const uint8_t MATRIX_ROWS = 64;
const uint8_t MATRIX_COLS = 64;
@@ -21,6 +28,8 @@ const uint8_t _fontWidthPixel = 8;
const uint8_t _fontWidthPixel = 16;
#endif
WeatherFetcher fetcher(api_key);
void printCharMatrixSimple(char c)
{
#ifdef USE_FONT_5x7
@@ -86,170 +95,26 @@ void setupMatrix()
matrix.show();
// Draw static "HELLO WORLD"
matrix.drawText(1, 1, "Hello World!", CRGB::Red);
// matrix.drawText(1, 1, "Hello World!", CRGB::Red);
// matrix.drawText(1, 9, "<°|`¶>", CRGB::Yellow);
// matrix.drawText(1, 17, "Bottom", CRGB::Yellow);
// matrix.drawText(1, 25, "ABCDEFGHIJ.", CRGB::Yellow);
// matrix.drawText(1, 33, "A", CRGB::Yellow);
// matrix.show();
}
void displayWeatherOnMatrix(const Weather w)
{
setupMatrix();
String zeit_temp = w.location.localtime.substring(11) + " " + w.current.temp_c + "°C";
matrix.drawText(0, 0, w.location.name.c_str(), CRGB::Yellow);
matrix.drawText(0, 8, zeit_temp.c_str(), CRGB::Yellow);
matrix.show();
}
void connect_wifi()
{
// For Wokwi simulation - use simulated WiFi
Serial.println("Connecting to WiFi...");
// In Wokwi, WiFi connects automatically in simulation
WiFi.begin("Wokwi-GUEST", ""); // Wokwi's simulated WiFi
while (WiFi.status() != WL_CONNECTED)
{
delay(250);
Serial.print(".");
}
ColorSerial::wifiStatus();
}
void json_with_WiFiClient()
{
Serial.println("json_with_WiFiClient()");
WiFiClient client;
const int timeout = 5000; // 5 second timeout
if (client.connect("api.open-meteo.com", 80))
{
Serial.println("connected to api.open-meteo.com");
client.println("GET /v1/forecast?latitude=52.52&longitude=13.41&current_weather=true HTTP/1.1");
client.println("Host: api.open-meteo.com");
client.println("User-Agent: PicoW");
client.println("Connection: close");
client.println();
// Wait for response with timeout
unsigned long startTime = millis();
while (client.available() == 0)
{
if (millis() - startTime > timeout)
{
Serial.println(">>> Client Timeout !");
client.stop();
return;
}
delay(10);
}
// JSON Response parsen
String response = "";
while (client.available())
{
String line = client.readStringUntil('\n');
response += line + "\n";
// Debug: print each line as it comes
Serial.print("> ");
Serial.println(line);
}
Serial.println("=== Full Response Complete ===");
// JSON parsen (nach dem Header)
int jsonStart = response.indexOf('{');
if (jsonStart > 0)
{
Serial.println("jsonStart > 0");
String json = response.substring(jsonStart);
// StaticJsonDocument<512> doc;
JsonDocument doc;
DeserializationError error = deserializeJson(doc, json);
if (!error)
{
JsonObject current = doc["current_weather"];
JsonObject units = doc["current_weather_units"];
float temperature = current["temperature"];
String temp_unit = units["temperature"];
Serial.printf("Temperature: %.1f %s", temperature, temp_unit.c_str());
Serial.println();
}
else
{
Serial.println(error.c_str());
}
}
else
{
Serial.println("NOT jsonStart > 0");
}
client.stop();
}
else
{
Serial.println("NO connection to api.open-meteo.com");
}
}
void json_with_HTTPClient()
{
ColorSerial::debug("json_with_HTTPClient()");
HTTPClient http;
http.begin("http://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&current_weather=true");
// http.setTimeout(5000);
int httpCode = http.GET();
if (httpCode != HTTP_CODE_OK)
{
String errMsg = "HTTP error: GET request failed (httpCode:" + String(httpCode + ")");
ColorSerial::error(errMsg.c_str());
http.end();
return;
}
ColorSerial::info("connected to api.open-meteo.com");
ColorSerial::info("=== Full Response Complete ===");
String payload = http.getString();
http.end();
ColorSerial::debug(payload.c_str());
// JSON parsen
JsonDocument doc;
DeserializationError error = deserializeJson(doc, payload);
if (!error)
{
JsonObject current = doc["current_weather"];
JsonObject units = doc["current_weather_units"];
float temperature = current["temperature"];
String temp_unit = units["temperature"];
uint8_t weathercode = current["weathercode"];
ColorSerial::temperature(temperature, temp_unit.c_str());
String temp_msg = "Temperature: " + String(temperature, 1) + temp_unit.c_str();
ColorSerial::info(temp_msg.c_str(), "Anzeige Temperatur Wert");
ColorSerial::weatherCondition(weathercode);
}
else
{
String errCode = error.c_str();
String errMsg = "JSON parse failed: " + errCode;
ColorSerial::error(errMsg.c_str());
return;
}
}
void setup()
{
// Initialize Serial for debug output
@@ -263,12 +128,9 @@ void setup()
ColorSerial::boxHeader("PICO W WEATHER STATION");
ColorSerial::info("System starting up", "v1.0");
connect_wifi();
if (WiFi.status() == WL_CONNECTED)
if (!fetcher.connectToWiFi(ssid, password))
{
// json_with_WiFiClient();
json_with_HTTPClient();
Serial.println("Starte im Testmodus wegen WiFi-Fehler");
}
setupMatrix();
@@ -280,6 +142,9 @@ void setup()
void loop()
{
Weather weather = fetcher.actual_weather("grosshansdorf", "de", false);
displayWeatherOnMatrix(weather);
// matrix.drawHorizontalScrollText(41, "scrolling...", CRGB::Wheat);
delay(10);
delay(1000 * 60);
}