From 2ae49ca7309ec6ec79e130cefa9946fa31697168 Mon Sep 17 00:00:00 2001 From: KubMakCZ Date: Fri, 6 Mar 2026 09:37:58 +0100 Subject: [PATCH] wifi basics --- 10_esp_wifi_basic/.gitignore | 5 ++ 10_esp_wifi_basic/.vscode/extensions.json | 10 ++++ 10_esp_wifi_basic/include/README | 37 +++++++++++++++ 10_esp_wifi_basic/lib/README | 46 +++++++++++++++++++ 10_esp_wifi_basic/platformio.ini | 15 ++++++ ...te_soubor_na_main.cpp_kvuli_platformio.txt | 1 + 10_esp_wifi_basic/src/klient.cpp.txt | 39 ++++++++++++++++ 10_esp_wifi_basic/src/sken.cpp.txt | 34 ++++++++++++++ 10_esp_wifi_basic/test/README | 11 +++++ 9 files changed, 198 insertions(+) create mode 100644 10_esp_wifi_basic/.gitignore create mode 100644 10_esp_wifi_basic/.vscode/extensions.json create mode 100644 10_esp_wifi_basic/include/README create mode 100644 10_esp_wifi_basic/lib/README create mode 100644 10_esp_wifi_basic/platformio.ini create mode 100644 10_esp_wifi_basic/src/00_prejmenujte_soubor_na_main.cpp_kvuli_platformio.txt create mode 100644 10_esp_wifi_basic/src/klient.cpp.txt create mode 100644 10_esp_wifi_basic/src/sken.cpp.txt create mode 100644 10_esp_wifi_basic/test/README diff --git a/10_esp_wifi_basic/.gitignore b/10_esp_wifi_basic/.gitignore new file mode 100644 index 0000000..89cc49c --- /dev/null +++ b/10_esp_wifi_basic/.gitignore @@ -0,0 +1,5 @@ +.pio +.vscode/.browse.c_cpp.db* +.vscode/c_cpp_properties.json +.vscode/launch.json +.vscode/ipch diff --git a/10_esp_wifi_basic/.vscode/extensions.json b/10_esp_wifi_basic/.vscode/extensions.json new file mode 100644 index 0000000..080e70d --- /dev/null +++ b/10_esp_wifi_basic/.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/10_esp_wifi_basic/include/README b/10_esp_wifi_basic/include/README new file mode 100644 index 0000000..49819c0 --- /dev/null +++ b/10_esp_wifi_basic/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/10_esp_wifi_basic/lib/README b/10_esp_wifi_basic/lib/README new file mode 100644 index 0000000..9379397 --- /dev/null +++ b/10_esp_wifi_basic/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/10_esp_wifi_basic/platformio.ini b/10_esp_wifi_basic/platformio.ini new file mode 100644 index 0000000..8dd1b2d --- /dev/null +++ b/10_esp_wifi_basic/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 \ No newline at end of file diff --git a/10_esp_wifi_basic/src/00_prejmenujte_soubor_na_main.cpp_kvuli_platformio.txt b/10_esp_wifi_basic/src/00_prejmenujte_soubor_na_main.cpp_kvuli_platformio.txt new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/10_esp_wifi_basic/src/00_prejmenujte_soubor_na_main.cpp_kvuli_platformio.txt @@ -0,0 +1 @@ + diff --git a/10_esp_wifi_basic/src/klient.cpp.txt b/10_esp_wifi_basic/src/klient.cpp.txt new file mode 100644 index 0000000..a1fb105 --- /dev/null +++ b/10_esp_wifi_basic/src/klient.cpp.txt @@ -0,0 +1,39 @@ +#include + +const char* ssid = "ive3ap"; +const char* password = "iveiveive"; +const char* myHostname = "esp-prijmeni"; +WiFiServer server(80); + +void setup() { + Serial.begin(115200); + Serial.print("Nastavuji jmeno zarizeni na:"); + Serial.println(myHostname); + WiFi.setHostname(myHostname); + Serial.print("Pripojuji se k siti:"); + Serial.println(ssid); + WiFi.begin(ssid,password); + while (WiFi.status() != WL_CONNECTED){ + delay(200); + Serial.print("."); + } + Serial.println(""); + Serial.println("WiFi Pripojena"); + //vypsání ip adresy + Serial.print("IP Adresa:"); + Serial.println(WiFi.localIP()); + //zapnutí wifi serveru pro zjistitelnost na sítí + server.begin(); + Serial.println("server spusten na portu 80."); +} +void loop() { + if (WiFi.status() == WL_CONNECTED) + { + Serial.print("Signal ("); + Serial.print(myHostname); + Serial.print("): "); + Serial.print(WiFi.RSSI()); + Serial.println(" dBm"); + } + delay(5000); +} \ No newline at end of file diff --git a/10_esp_wifi_basic/src/sken.cpp.txt b/10_esp_wifi_basic/src/sken.cpp.txt new file mode 100644 index 0000000..333fa4d --- /dev/null +++ b/10_esp_wifi_basic/src/sken.cpp.txt @@ -0,0 +1,34 @@ +#include +#include + +void setup() { + Serial.begin(115200); + //nastavíme ESP na stanici aby se to chovalo jako "klient" + WiFi.mode(WIFI_STA); + WiFi.disconnect(); + delay(100); + Serial.println("WiFi skener pripraven"); +} + +void loop() { + Serial.println("Skenovani startuje..."); + int n = WiFi.scanNetworks(); + Serial.println("Skenovani dokonceno"); + if (n == 0) { + Serial.println("Zadne site nebyly nalezny."); + } else { + for (int i = 0; i < n; i++){ + Serial.print(i+1); + Serial.print(": "); + Serial.print(WiFi.SSID(i)); + Serial.print("| Signal: "); + Serial.print(WiFi.RSSI(i)); + Serial.print(" dBm |"); + + Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?"[Otevtena]":"[Zabezpecena]"); + delay(10); + } + } + Serial.println(""); + delay(10000); +} \ No newline at end of file diff --git a/10_esp_wifi_basic/test/README b/10_esp_wifi_basic/test/README new file mode 100644 index 0000000..9b1e87b --- /dev/null +++ b/10_esp_wifi_basic/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