David A. Gamache

#include <thread>
#include <semaphore>
#include <span>
#include <cstdint>

// Deterministic Zero-Copy Embedded Frame Processor
class TelemetryBusController {
    std::counting_semaphore<8> rx_sem_{0};
    std::jthread worker_thread_;

public:
    void ingestDmaFrame(std::span<const uint8_t> payload) noexcept {
        // Zero-copy bounds-safe view over DMA ring buffer
        if (!payload.empty()) {
            validateCrcAndDispatch(payload);
            rx_sem_.release();
        }
    }

    void startRealtimeLoop() {
        worker_thread_ = std::jthread([this](std::stop_token st) {
            while (!st.stop_requested()) {
                rx_sem_.acquire();
                executeControlLawStep();
            }
        });
    }
};