diff --git a/12_esp_sken/src/main.cpp b/12_esp_sken/src/main.cpp index fe44e8d..3ca79b8 100644 --- a/12_esp_sken/src/main.cpp +++ b/12_esp_sken/src/main.cpp @@ -12,8 +12,9 @@ void scanNetwork() { int found = 0; for (int i = 1; i < 255; i++){ IPAddress target(ip[0],ip[1],ip[2],i); + Serial.println(target.toString().c_str()); WiFiClient client; - if(client.connect(target,80,60)){ + if(client.connect(target,80,150)){ found++; Serial.printf("\n + %s",target.toString().c_str()); if(target == ip) Serial.print("<< JA"); diff --git a/13_sqlite_python/02_serial_to_sqlite.py b/13_sqlite_python/02_serial_to_sqlite.py index e69de29..7bdef64 100644 --- a/13_sqlite_python/02_serial_to_sqlite.py +++ b/13_sqlite_python/02_serial_to_sqlite.py @@ -0,0 +1,74 @@ +import sqlite3 +import serial +from datetime import datetime + +#Globalní proměnné +PORT = "COM4" #vždy zkontorlovat COM port přes Platformio->Devices +BAUDRATE = 115200 +DB_FILE = "iot_data.sqlite" + +#Připojení k databázi +conn = sqlite3.connect("iot_data.sqlite") +cursor = conn.cursor() + +cursor.execute(""" + CREATE TABLE IF NOT EXISTS mereni ( + id INTEGER PRIMARY KEY AUTOINCREMENT, + cas TEXT NOT NULL, + teplota REAL NOT NULL, + vlhkost REAL NOT NULL + ) +""") +conn.commit() + +#připojení k seriovému portu +ser = serial.Serial(PORT,BAUDRATE,timeout=2) +print(f"Připojeno na {PORT}@{BAUDRATE} baud") +print("Čekám na data z ESP32... (Ctrl+C pro ukončení)") + +pocet_mereni = 0 + +try: + while True: + line = ser.readline().decode("utf-8").strip() + if not line: + continue + #parsování formátu + try: + #format: teplota:XX.X,vlhkost:XX.X + casti = line.split(",") + teplota = float(casti[0].split(":")[1]) + vlhkost = float(casti[1].split(":")[1]) + except (IndexError, ValueError): + print(f"Neplatný formát: {line}") + continue + #uložení do databaze + cas = datetime.now().strftime("%Y-%m-%d %H:%M:%S") + cursor.execute( + "INSERT INTO mereni (cas, teplota, vlhkost) VALUES (?, ?, ?)", + (cas, teplota, vlhkost) + ) + conn.commit() + + pocet_mereni += 1 + print(f"[{pocet_mereni}] {cas} | Teplota:{teplota}°C | Vlhkost: {vlhkost}") + + #po 20 měření zobrazit statistiky + if pocet_mereni % 20 == 0: + print(f"--Statistiky po {pocet_mereni} měřeních--") + cursor.execute("SELECT AVG(teplota) FROM mereni") + print(f"Průměrná teplota: {cursor.fetchone()[0]:.1f}°C") + cursor.execute("SELECT MAX(teplota) FROM mereni") + print(f"Maximální teplota: {cursor.fetchone()[0]:.1f}°C") + cursor.execute("SELECT MIN(teplota) FROM mereni") + print(f"Minimální teplota: {cursor.fetchone()[0]:.1f}°C") + cursor.execute("SELECT COUNT(*) FROM mereni") + print(f"Celkem záznamů: {cursor.fetchone()[0]}") + print() + +except KeyboardInterrupt: + print("\nUkončeno uživatelem") +finally: + ser.close() + conn.close() + print(f"Uloženo {pocet_mereni} měření do {DB_FILE}") \ No newline at end of file diff --git a/13_sqlite_python/iot_data.sqlite b/13_sqlite_python/iot_data.sqlite index 7b026e6..1c35771 100644 Binary files a/13_sqlite_python/iot_data.sqlite and b/13_sqlite_python/iot_data.sqlite differ diff --git a/13a_esp32_dht11_serial_print/.gitignore b/13a_esp32_dht11_serial_print/.gitignore new file mode 100644 index 0000000..89cc49c --- /dev/null +++ b/13a_esp32_dht11_serial_print/.gitignore @@ -0,0 +1,5 @@ +.pio +.vscode/.browse.c_cpp.db* +.vscode/c_cpp_properties.json +.vscode/launch.json +.vscode/ipch diff --git a/13a_esp32_dht11_serial_print/.vscode/extensions.json b/13a_esp32_dht11_serial_print/.vscode/extensions.json new file mode 100644 index 0000000..080e70d --- /dev/null +++ b/13a_esp32_dht11_serial_print/.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/13a_esp32_dht11_serial_print/include/README b/13a_esp32_dht11_serial_print/include/README new file mode 100644 index 0000000..49819c0 --- /dev/null +++ b/13a_esp32_dht11_serial_print/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/13a_esp32_dht11_serial_print/lib/README b/13a_esp32_dht11_serial_print/lib/README new file mode 100644 index 0000000..9379397 --- /dev/null +++ b/13a_esp32_dht11_serial_print/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/13a_esp32_dht11_serial_print/platformio.ini b/13a_esp32_dht11_serial_print/platformio.ini new file mode 100644 index 0000000..7f713b5 --- /dev/null +++ b/13a_esp32_dht11_serial_print/platformio.ini @@ -0,0 +1,25 @@ +; 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 = markruys/DHT@^1.0.0 ;^ = ALT + 94 + + +[env:esp32-s3] +platform = espressif32 +board = esp32-s3-devkitc-1 +framework = arduino +monitor_speed = 115200 +lib_deps = markruys/DHT@^1.0.0 + diff --git a/13a_esp32_dht11_serial_print/src/main.cpp b/13a_esp32_dht11_serial_print/src/main.cpp new file mode 100644 index 0000000..62817e6 --- /dev/null +++ b/13a_esp32_dht11_serial_print/src/main.cpp @@ -0,0 +1,47 @@ +#define POUZIT_DHT11 true +#include + +#if POUZIT_DHT11 + #include + #define DHTPIN 36 + DHT dht; +#endif + +float teplota = 22.0; +float vlhkost = 45.0; +void setup() { + Serial.begin(115200); + delay(1000); + #if POUZIT_DHT11 + dht.setup(DHTPIN); + Serial.println("DHT11 seznzor incializovan"); + #else + Serial.println("Simulace dat (bez senzoru)"); + #endif + Serial.println("Formát: teplota:XX.X,vlhkost:YY.Y"); +} + +void loop() { + #if POUZIT_DHT11 + //realný senzor + delay(dht.getMinimumSamplingPeriod()); + teplota = dht.getTemperature(); + vlhkost = dht.getHumidity(); + + if(dht.getStatus() != DHT::ERROR_NONE){ + Serial.print("chyba senzoru: "); + Serial.println(dht.getStatusString()); + delay(2000); + return; + } + #else + //simulace + teplota = 22.0 + random(-50,50)/10.0; + vlhkost = 45.0 + random(-100,100)/10.0; + delay(2000); + #endif + Serial.print("teplota:"); + Serial.print(teplota,1); + Serial.print(",vlhkost:"); + Serial.println(vlhkost,1); +} diff --git a/13a_esp32_dht11_serial_print/test/README b/13a_esp32_dht11_serial_print/test/README new file mode 100644 index 0000000..9b1e87b --- /dev/null +++ b/13a_esp32_dht11_serial_print/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