diff --git a/11_python_ziskani_dat/poznamky.txt b/11_python_ziskani_dat/poznamky.txt new file mode 100644 index 0000000..591dcec --- /dev/null +++ b/11_python_ziskani_dat/poznamky.txt @@ -0,0 +1,6 @@ +mkdir 11_python_ziskani_dat +cd 11_python_ziskani_dat +python -m venv .venv +.venv\Scripts\activate +pip install matplotlib pyserial +code . \ No newline at end of file diff --git a/11_python_ziskani_dat/serial_read.py b/11_python_ziskani_dat/serial_read.py new file mode 100644 index 0000000..2a89f44 --- /dev/null +++ b/11_python_ziskani_dat/serial_read.py @@ -0,0 +1,16 @@ +import serial +#---nastaveni--- +PORT = "COM3" #JE POTŘEBA ZMĚNIT PODLE REALNÉHO ESP +BAUDRATE = "115200" +ser = serial.Serial(PORT,BAUDRATE,timeout=2) +print(f"připojeno na {PORT}@{BAUDRATE} baud") +try: + while True: + line = ser.readline().decode("utf-8").strip() + if line: + print(line) +except KeyboardInterrupt: + pass +finally: + ser.close() + print("Odpojeno") \ No newline at end of file diff --git a/11_python_ziskani_dat/serial_teplota_graf.py b/11_python_ziskani_dat/serial_teplota_graf.py new file mode 100644 index 0000000..c21ed0a --- /dev/null +++ b/11_python_ziskani_dat/serial_teplota_graf.py @@ -0,0 +1,74 @@ +import serial +import matplotlib.pyplot as plt +import matplotlib.animation as animation +from datetime import datetime + +# -- NASTAVENÍ -- +PORT = "COM3" +BAUDRATE = "115200" +MAX_POINTS = 50 + +# Seznamy pro ukládání dat +casy = [] +teploty = [] + +# připojení na Seriovou linku +ser = serial.Serial(PORT, BAUDRATE, timeout=2) +print(f"Připojeno na {PORT}@{BAUDRATE} baud") + +#vytvoření grafu +fig, ax = plt.subplots(figsize=(10,4)) +fig.suptitle("ESP32 - teplota v realném čase") + +#metoda pro dynamické vykreslování grafu +def update(frame): + """Přečte řáděk ze seriové linky a aktualizuje graf""" + if ser.in_waiting > 0: + try: + line = ser.readline().decode("utf-8").strip() + if not line: + return + + #parsování - hledáme "teplota:XX.X" + #formát původní "teplota:XX.X,vlhkost:XX.X" + parts = line.split(",") + teplota = None + for part in parts: + key, value = part.split(":") + if key.strip() == "teplota": + teplota = float(value.strip()) + if teplota is None: + return + now = datetime.now().strftime("%H:%M:%S") + casy.append(now) + teploty.append(teplota) + #omezení na MAX_POINTS + if len(casy) > MAX_POINTS: + casy.pop(0) + teploty.pop(0) + + #vykreslení + ax.clear() + ax.plot(casy,teploty,"o",markersize=3,label="Teplota") + ax.set_ylabel("Teplota") + ax.set_xlabel("čas") + ax.legend(loc="upper left") + ax.grid(True) + ax.tick_params(axis="x",roation=45) + + fig.tight_layout() + print(f"{now} teplota: {teplota}") + + + except (ValueError,UnicodeDecodeError) as e: + print(f"Chyba: {e}") + +#spuštění animace +ani = animation.FuncAnimation(fig,update,interval=500,cache_frame_data=False) +try: + plt.show() +except KeyboardInterrupt: + pass +finally: + ser.close() + print("Odpojeno.") \ No newline at end of file diff --git a/esp_random_temp_hum/.gitignore b/esp_random_temp_hum/.gitignore new file mode 100644 index 0000000..89cc49c --- /dev/null +++ b/esp_random_temp_hum/.gitignore @@ -0,0 +1,5 @@ +.pio +.vscode/.browse.c_cpp.db* +.vscode/c_cpp_properties.json +.vscode/launch.json +.vscode/ipch diff --git a/esp_random_temp_hum/.vscode/extensions.json b/esp_random_temp_hum/.vscode/extensions.json new file mode 100644 index 0000000..080e70d --- /dev/null +++ b/esp_random_temp_hum/.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/esp_random_temp_hum/include/README b/esp_random_temp_hum/include/README new file mode 100644 index 0000000..49819c0 --- /dev/null +++ b/esp_random_temp_hum/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/esp_random_temp_hum/lib/README b/esp_random_temp_hum/lib/README new file mode 100644 index 0000000..9379397 --- /dev/null +++ b/esp_random_temp_hum/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/esp_random_temp_hum/platformio.ini b/esp_random_temp_hum/platformio.ini new file mode 100644 index 0000000..457ca3e --- /dev/null +++ b/esp_random_temp_hum/platformio.ini @@ -0,0 +1,15 @@ +; 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 diff --git a/esp_random_temp_hum/src/main.cpp b/esp_random_temp_hum/src/main.cpp new file mode 100644 index 0000000..1be7e2e --- /dev/null +++ b/esp_random_temp_hum/src/main.cpp @@ -0,0 +1,16 @@ +#include +float teplota = 22.0; +float vlhkost = 40.0; +void setup() { + Serial.begin(115200); +} +void loop() { + teplota = 22.0 + random(-50,50)/10.0; + vlhkost = 45.0 + random(-30,30)/10.0; + //formát: "teplota:XX.X,vlhkost:YY.Y" + Serial.print("teplota:"); + Serial.print(teplota,1); + Serial.print(",vlhkost:"); + Serial.println(vlhkost,1); + delay(1000); +} \ No newline at end of file diff --git a/esp_random_temp_hum/test/README b/esp_random_temp_hum/test/README new file mode 100644 index 0000000..9b1e87b --- /dev/null +++ b/esp_random_temp_hum/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