Assorted C++ utility libraries, primarily aimed at embedded/ESP-IDF targets, but most also build on desktop for testing.

Simple 1bpp and 8bpp bitmap handling with dithering support.

• Include: #include <BMPImage/BMPImage.hpp>

Single-header scope guard macro for RAII-style defers.

• Include: #include <Defer/Defer.hpp>
• Usage:

  {
      FILE* f = fopen("/tmp/file", "w");
      defer { if (f) fclose(f); };
      // ... use f ...
  } // fclose runs automatically

Compatibility header for logging that uses ESP_LOG* if available otherwise falls back to printf.

• Include: #include <Log/Log.hpp>
• Usage:

  {
      constexpr const char *TAG = "MyModule";
      LOGD(TAG, "Stuff happened %d times", count);
  }

Tools for decoding and comparing images during testing.

• Include: #include <ImageTest/ImageTest.hpp>

C++ helpers for ESP32 PSRAM (SPIRAM) allocation with STL-like containers and std::string compatible types. Falls back to normal STL on non-IDF builds.

• Include: #include <Spiram/Allocator.hpp>
• Include: #include <Spiram/Map.hpp>
• Include: #include <Spiram/Memory.hpp>
• Include: #include <Spiram/String.hpp>
• Include: #include <Spiram/Vector.hpp>

Small collection of string helpers.

• Include: #include <StringUtil/StringUtil.hpp>

Streaming decompressor for zip files. Useful for reading/decompressing parts of zip files without unzipping the whole thing.

• Include: #include <Unzipper/Unzipper.hpp>

• Desktop examples: inside each examples/cmake directory, run make run
• ESP-IDF examples: inside each examples/esp-idf directory, run idf.py build (or make build)