Function generate_main_cpp

ci/compiler/source_manager.py:129–177

Generate stub main.cpp content that includes .ino files from sketch directory. Args: ino_files: List of .ino filenames to include Returns: Content for main.cpp file Note: We do NOT include FastLED.h here because some sketches define macros (like USE_OCT

(ino_files: list[str])

def generate_main_cpp(ino_files: list[str]) -> str:
    """Generate stub main.cpp content that includes .ino files from sketch directory.

    Args:
        ino_files: List of .ino filenames to include

    Returns:
        Content for main.cpp file

    Note:
        We do NOT include FastLED.h here because some sketches define macros
        (like USE_OCTOWS2811) before including FastLED.h. The sketch must include
        FastLED.h itself at the appropriate point.
    """
    includes: list[str] = []
    for ino_file in sorted(ino_files):
        includes.append("#include <Arduino.h>")
        # Don't include FastLED.h here - let the sketch include it after any
        # required #defines (like USE_OCTOWS2811, USE_WS2812SERIAL, etc.)
        includes.append(f'#include "sketch/{ino_file}"')

    include_lines = "\n".join(includes)

    int_main = """
void init(void) __attribute__((weak));

__attribute__((weak)) int main() {{
    init();  // Initialize Arduino timers and enable interrupts (calls sei())
    setup();
    while (true) {{
        loop();
        fl::delay(0);  // Yield to scheduler/watchdog (critical for ESP32 QEMU)
    }}
}}
"""

    main_cpp_content = f"""// Auto-generated main.cpp stub for PlatformIO
// This file includes all .ino files from the sketch directory

{include_lines}

// main.cpp is required by PlatformIO but Arduino-style sketches
// use setup() and loop() functions which are called automatically
// by the FastLED/Arduino framework
//
//
{int_main}
"""
    return main_cpp_content


def copy_example_source(project_root: Path, build_dir: Path, example: str) -> bool: