From bca4bc70a2bf6aa0af1ca20ef338d4018a50652e Mon Sep 17 00:00:00 2001 From: KubMakCZ Date: Wed, 6 May 2026 09:36:59 +0200 Subject: [PATCH] esp lcd owm --- 18_esp_lcd_owm/.gitignore | 5 ++ 18_esp_lcd_owm/.vscode/extensions.json | 10 +++ 18_esp_lcd_owm/include/README | 37 ++++++++++ 18_esp_lcd_owm/lib/README | 46 +++++++++++++ 18_esp_lcd_owm/platformio.ini | 18 +++++ 18_esp_lcd_owm/src/main.cpp | 93 ++++++++++++++++++++++++++ 18_esp_lcd_owm/test/README | 11 +++ 7 files changed, 220 insertions(+) create mode 100644 18_esp_lcd_owm/.gitignore create mode 100644 18_esp_lcd_owm/.vscode/extensions.json create mode 100644 18_esp_lcd_owm/include/README create mode 100644 18_esp_lcd_owm/lib/README create mode 100644 18_esp_lcd_owm/platformio.ini create mode 100644 18_esp_lcd_owm/src/main.cpp create mode 100644 18_esp_lcd_owm/test/README diff --git a/18_esp_lcd_owm/.gitignore b/18_esp_lcd_owm/.gitignore new file mode 100644 index 0000000..89cc49c --- /dev/null +++ b/18_esp_lcd_owm/.gitignore @@ -0,0 +1,5 @@ +.pio +.vscode/.browse.c_cpp.db* +.vscode/c_cpp_properties.json +.vscode/launch.json +.vscode/ipch diff --git a/18_esp_lcd_owm/.vscode/extensions.json b/18_esp_lcd_owm/.vscode/extensions.json new file mode 100644 index 0000000..080e70d --- /dev/null +++ b/18_esp_lcd_owm/.vscode/extensions.json @@ -0,0 +1,10 @@ +{ + // See http://go.microsoft.com/fwlink/?LinkId=827846 + // for the documentation about the extensions.json format + "recommendations": [ + "platformio.platformio-ide" + ], + "unwantedRecommendations": [ + "ms-vscode.cpptools-extension-pack" + ] +} diff --git a/18_esp_lcd_owm/include/README b/18_esp_lcd_owm/include/README new file mode 100644 index 0000000..49819c0 --- /dev/null +++ b/18_esp_lcd_owm/include/README @@ -0,0 +1,37 @@ + +This directory is intended for project header files. + +A header file is a file containing C declarations and macro definitions +to be shared between several project source files. You request the use of a +header file in your project source file (C, C++, etc) located in `src` folder +by including it, with the C preprocessing directive `#include'. + +```src/main.c + +#include "header.h" + +int main (void) +{ + ... +} +``` + +Including a header file produces the same results as copying the header file +into each source file that needs it. Such copying would be time-consuming +and error-prone. With a header file, the related declarations appear +in only one place. If they need to be changed, they can be changed in one +place, and programs that include the header file will automatically use the +new version when next recompiled. The header file eliminates the labor of +finding and changing all the copies as well as the risk that a failure to +find one copy will result in inconsistencies within a program. + +In C, the convention is to give header files names that end with `.h'. + +Read more about using header files in official GCC documentation: + +* Include Syntax +* Include Operation +* Once-Only Headers +* Computed Includes + +https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html diff --git a/18_esp_lcd_owm/lib/README b/18_esp_lcd_owm/lib/README new file mode 100644 index 0000000..9379397 --- /dev/null +++ b/18_esp_lcd_owm/lib/README @@ -0,0 +1,46 @@ + +This directory is intended for project specific (private) libraries. +PlatformIO will compile them to static libraries and link into the executable file. + +The source code of each library should be placed in a separate directory +("lib/your_library_name/[Code]"). + +For example, see the structure of the following example libraries `Foo` and `Bar`: + +|--lib +| | +| |--Bar +| | |--docs +| | |--examples +| | |--src +| | |- Bar.c +| | |- Bar.h +| | |- library.json (optional. for custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html +| | +| |--Foo +| | |- Foo.c +| | |- Foo.h +| | +| |- README --> THIS FILE +| +|- platformio.ini +|--src + |- main.c + +Example contents of `src/main.c` using Foo and Bar: +``` +#include +#include + +int main (void) +{ + ... +} + +``` + +The PlatformIO Library Dependency Finder will find automatically dependent +libraries by scanning project source files. + +More information about PlatformIO Library Dependency Finder +- https://docs.platformio.org/page/librarymanager/ldf.html diff --git a/18_esp_lcd_owm/platformio.ini b/18_esp_lcd_owm/platformio.ini new file mode 100644 index 0000000..b256ef1 --- /dev/null +++ b/18_esp_lcd_owm/platformio.ini @@ -0,0 +1,18 @@ +; PlatformIO Project Configuration File +; +; Build options: build flags, source filter +; Upload options: custom upload port, speed and extra flags +; Library options: dependencies, extra library storages +; Advanced options: extra scripting +; +; Please visit documentation for the other options and examples +; https://docs.platformio.org/page/projectconf.html + +[env:esp32dev] +platform = espressif32 +board = esp32dev +framework = arduino +monitor_speed = 115200 +lib_deps = + bblanchon/ArduinoJson@^7.0.4 + marcoschwartz/LiquidCrystal_I2C@^1.1.4 \ No newline at end of file diff --git a/18_esp_lcd_owm/src/main.cpp b/18_esp_lcd_owm/src/main.cpp new file mode 100644 index 0000000..30504d5 --- /dev/null +++ b/18_esp_lcd_owm/src/main.cpp @@ -0,0 +1,93 @@ +#include +#include +#include +#include +#include + +// -----Konfigurace------ +const char* ssid = "ive3ap"; +const char* password = "iveiveive"; +const char* apiKey = "f70d944f638a7ae77de89435d4d23c01"; +const char* city = "Steti"; + +LiquidCrystal_I2C lcd(0x27,16,2); + +unsigned long lastTime = 0; +unsigned long timerDelay = 60000; + +void connectWifi() { + WiFi.begin(ssid,password); + Serial.println("Pripojovani k Wifi..."); + lcd.clear(); + lcd.setCursor(0,0); + lcd.print("Wifi Connecting"); + + // Přidat while na zjištění pripojování na wifi + + Serial.println("\nPripojeno na Wifi"); + Serial.print("IP:"); + Serial.println(WiFi.localIP()); + + lcd.clear(); + lcd.setCursor(0,0); + lcd.print("WiFi Connected"); + delay(2000); +} + +void updateWeather() { + if(WiFi.status() == WL_CONNECTED) { + HTTPClient http; + String serverPath = "http://api.openweathermap.org/data/2.5/weather?q=" + + String(city) + "&appid=" + String(apiKey) + "&units=metric"; + + http.begin(serverPath.c_str()); + int httpResponseCode = http.GET(); + + if (httpResponseCode > 0){ + String payload = http.getString(); + JsonDocument doc; + deserializeJson(doc,payload); + + float temp = doc["main"]["temp"]; + int humidity = doc["main"]["humidity"]; + String description = doc["weather"][0]["description"].as(); + + //zde přidat na odstranění diacritiky + + lcd.clear(); + lcd.setCursor(0,0); + lcd.print("Steti:"); + lcd.print(temp,1); + lcd.print("C"); + + lcd.setCursor(0,1); + lcd.print("H:"); + lcd.print(humidity); + lcd.print("% "); + lcd.print(description); + + Serial.println("Data OK:" + String(temp) + "C, "+description); + }else { + Serial.println("Chyba HTTP: " + String(httpResponseCode)); + lcd.clear(); + lcd.print("API ERROR"); + } + http.end(); + } +} + +void setup() { + Serial.begin(115200); + delay(2000); + lcd.init(); + lcd.backlight(); + connectWifi(); + updateWeather(); +} + +void loop() { + if((millis() - lastTime) > timerDelay){ + updateWeather(); + lastTime = millis(); + } +} diff --git a/18_esp_lcd_owm/test/README b/18_esp_lcd_owm/test/README new file mode 100644 index 0000000..9b1e87b --- /dev/null +++ b/18_esp_lcd_owm/test/README @@ -0,0 +1,11 @@ + +This directory is intended for PlatformIO Test Runner and project tests. + +Unit Testing is a software testing method by which individual units of +source code, sets of one or more MCU program modules together with associated +control data, usage procedures, and operating procedures, are tested to +determine whether they are fit for use. Unit testing finds problems early +in the development cycle. + +More information about PlatformIO Unit Testing: +- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html