led_sequencer.hpp

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#pragma once
#include <cstdint>

 
namespace hitlib {
 
class LedStrand; 
 
// ============================================================================

class Sequencer {
public:
    // ------------------------------------------------------------------------

    struct Phase {
        uint32_t durationMs;            
        void (*startFn)(LedStrand&);    
    };
 
    // ------------------------------------------------------------------------

    constexpr Sequencer(const Phase* phases, uint8_t count)
        : phases(phases), phaseCount(count) {}
 
    // ------------------------------------------------------------------------

    void start(LedStrand& strand);

    void stop();

    void update(LedStrand& strand);

    bool isRunning() const { return running; }
 
private:
    const Phase* phases;            
    uint8_t      phaseCount;        
    uint8_t      currentPhase = 0;  
    uint32_t     phaseStartMs = 0;  
    bool         running      = false; 
};
 
} // namespace hitlib