Method check

examples/RX/SketchHalt.h:32–44

@brief Check if sketch is halted and handle periodic message printing @return true if halted (caller should return from loop immediately) This should be the FIRST line in loop(): if (halt.check()) return;

    /// This should be the FIRST line in loop():
    ///   if (halt.check()) return;
    bool check() {
        if (!mHalted) {
            return false;
        }

        fl::u32 current_time = fl::millis();
        if (mLastPrintTime == 0 || (current_time - mLastPrintTime) >= 5000) {
            fl::cout << "ERROR: HALT: " << mMessage.c_str() << "\n";
            mLastPrintTime = current_time;
        }
        fl::delayMillis(100);
        return true;
    }

    /// @brief Halt sketch execution with an error message
    void error(const char* message) {