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Convert all projects to PlatformIO

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- JC3636W518 sketches: pioarduino 51.03.05 (Arduino core 3.0.5), ESP32-S3
  16MB QIO / OPI PSRAM, vendor libs via lib_extra_dirs, per-project lv_conf.h
- display_gif_embedded uses default_16MB.csv (firmware 3.4 MB > huge_app)
- elm327_wifi_bridge: espressif32 6.10.0 on esp32dev, pinned lib_deps
- elmulator: library in lib/, one env per example, duplicate copies removed
- .ino -> src/main.cpp, headers/lv_conf.h -> include/

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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patriandClaude Opus 5.5 committed 2026-10-23 00:20:33 +02:00
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CLAUDE.md
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@@ -40,6 +40,17 @@ Free : GPIO38, GPIO39 (on CN2 header)
USB : D-=19 D+=20
```
## PlatformIO setup (preferred build system, since 2026-10-23)
- All projects are **PlatformIO projects** (`platformio.ini`, `src/main.cpp`, `include/`). They no longer open in the Arduino IDE.
- PlatformIO IDE extension is installed in VS Code. CLI: `%USERPROFILE%\.platformio\penv\Scripts\pio.exe` (Core 6.2.0, not on PATH).
- **JC3636W518 (ESP32-S3)**: platform `https://github.com/pioarduino/platform-espressif32/releases/download/51.03.05/platform-espressif32.zip` (pioarduino = Arduino core 3.0.5; the official PIO espressif32 only has core 2.x, which ESP32_Display_Panel 0.1.4 can't use).
Board `esp32-s3-devkitc-1` + `board_build.arduino.memory_type = qio_opi`, `flash_mode = qio`, `board_upload.flash_size = 16MB`, `partitions = huge_app.csv`, `-DBOARD_HAS_PSRAM -DARDUINO_USB_CDC_ON_BOOT=1`, upload/monitor COM21 @115200.
Libraries: `lib_extra_dirs` → vendor `2-Program Example/Demo_Arduino/library`.
**LVGL config:** `-DLV_CONF_INCLUDE_SIMPLE -Iinclude` — the `-Iinclude` is required, otherwise the LVGL library compiles without the project's `lv_conf.h` (symptom: `undefined reference to lv_gif_create`).
- **Classic ESP32** projects (bridge, ELMulator): `espressif32@6.10.0` (core 2.0.17), board `esp32dev`, `huge_app.csv`.
- Template for a new JC3636W518 project: copy `10-OBD-Display-2024/display_speed_wifi/platformio.ini` (+ `include/pincfg.h`, `include/scr_st77916.h`, `include/lv_conf.h`).
- When converting `.ino` → `main.cpp`: add `#include <Arduino.h>` and prototypes for functions used before their definition; don't `#include` `.c` files that are also in `src/`.
## Software stack used by the vendor demo
- **Arduino IDE** + **arduino-esp32 core ≥ 3.0.1** (core **3.0.5 already installed** on this PC under `%LOCALAPPDATA%\Arduino15`).
- Libraries (bundled in `2-Program Example/Demo_Arduino/library/`):