From d7a73bbb9e0941ca672ae220194d22de34702277 Mon Sep 17 00:00:00 2001 From: mitchirhd Date: Thu, 27 Nov 2025 00:32:15 +0100 Subject: [PATCH] =?UTF-8?q?ESP=20stuff=20r=C3=BCberkopiert?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .gitignore | 5 ++++ .vscode/extensions.json | 10 +++++++ include/README | 37 ++++++++++++++++++++++++++ lib/README | 46 ++++++++++++++++++++++++++++++++ platformio.ini | 19 ++++++++++++++ src/Display.cpp | 58 +++++++++++++++++++++++++++++++++++++++++ src/Display.h | 21 +++++++++++++++ src/main.cpp | 18 +++++++++++++ test/README | 11 ++++++++ 9 files changed, 225 insertions(+) create mode 100644 .gitignore create mode 100644 .vscode/extensions.json create mode 100644 include/README create mode 100644 lib/README create mode 100644 platformio.ini create mode 100644 src/Display.cpp create mode 100644 src/Display.h create mode 100644 src/main.cpp create mode 100644 test/README diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..89cc49c --- /dev/null +++ b/.gitignore @@ -0,0 +1,5 @@ +.pio +.vscode/.browse.c_cpp.db* +.vscode/c_cpp_properties.json +.vscode/launch.json +.vscode/ipch diff --git a/.vscode/extensions.json b/.vscode/extensions.json new file mode 100644 index 0000000..080e70d --- /dev/null +++ b/.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/include/README b/include/README new file mode 100644 index 0000000..49819c0 --- /dev/null +++ b/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/lib/README b/lib/README new file mode 100644 index 0000000..9379397 --- /dev/null +++ b/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/platformio.ini b/platformio.ini new file mode 100644 index 0000000..b8026f0 --- /dev/null +++ b/platformio.ini @@ -0,0 +1,19 @@ +; 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:nodemcuv2] +platform = espressif8266 +board = nodemcuv2 +framework = arduino +lib_deps = + olikraus/U8g2@^2.36.15 +monitor_speed = 115200 +debug_tool = esp-prog +debug_port = COM3 \ No newline at end of file diff --git a/src/Display.cpp b/src/Display.cpp new file mode 100644 index 0000000..02c1e99 --- /dev/null +++ b/src/Display.cpp @@ -0,0 +1,58 @@ +#include +#include + +Display::Display(uint8_t clockPin, uint8_t dataPin) + : u8g2(U8G2_R0, clockPin, dataPin, U8X8_PIN_NONE) +{ +} + +Display::~Display() +{ +} + +void Display::init() +{ + u8g2.begin(); + u8g2.setFont(u8g2_font_7x14B_tr); +} + +void Display::drawText(const std::string text) +{ + u8g2.clearBuffer(); + u8g2.setFont(u8g2_font_7x14B_tr); + + uint8_t charHeight = u8g2.getMaxCharHeight(); + + std::vector textGrid; + splitText(text, &textGrid); + + for (uint i = 0; i < textGrid.size(); i++) + { + if (textGrid.at(i).empty()) + continue; + + u8g2.drawStr(0, (i + 1) * charHeight, textGrid.at(i).c_str()); + } + + u8g2.sendBuffer(); +} + +void Display::splitText(const std::string text, std::vector *out) +{ + if (out->empty()) + out->push_back(""); + + uint8_t row = 0; + for (uint i = 0; i < text.length(); i++) + { + std::string added = out->at(row) + text[i]; + if (u8g2.getStrWidth(added.c_str()) > u8g2.getWidth()) + { + row++; + out->push_back(""); + added = text[i]; + } + + out->at(row) = added; + } +} diff --git a/src/Display.h b/src/Display.h new file mode 100644 index 0000000..c4110d4 --- /dev/null +++ b/src/Display.h @@ -0,0 +1,21 @@ +#include +#include +#include +#include +#include + +class Display +{ +private: + U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2; + +public: + Display(uint8_t clockPin = 12, uint8_t dataPin = 14); + virtual ~Display(); + + void init(); + void drawText(const std::string text); + +private: + void splitText(const std::string text, std::vector *out); +}; \ No newline at end of file diff --git a/src/main.cpp b/src/main.cpp new file mode 100644 index 0000000..4193169 --- /dev/null +++ b/src/main.cpp @@ -0,0 +1,18 @@ +#include +#include +#include +#include + +Display display; + +void setup() +{ + Serial.begin(115200); + display.init(); +} + +void loop() +{ + display.drawText("Das ist ein etwas längerer Test"); + delay(1000); +} \ No newline at end of file diff --git a/test/README b/test/README new file mode 100644 index 0000000..9b1e87b --- /dev/null +++ b/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