InitialConnectStateMachine.h

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#pragma once
 
#include "QGCStateMachine.h"
#include "MAVLinkMessageType.h"
 
class Vehicle;
class SkippableAsyncState;
class AsyncFunctionState;
class RetryableRequestMessageState;
class RetryState;
 
class InitialConnectStateMachine : public QGCStateMachine
{
    Q_OBJECT
 
public:
    explicit InitialConnectStateMachine(Vehicle* vehicle, QObject* parent = nullptr);
    ~InitialConnectStateMachine() override;
 
    void start();
 
private slots:
    void _onSubProgressUpdate(double progressValue);
 
private:
    // State creation and wiring
    void _createStates();
    void _wireTransitions();
    void _wireProgressTracking();
    void _wireTimeoutHandling();
 
    // State callbacks
    void _handleAutopilotVersionSuccess(const mavlink_message_t& message);
    void _handleAutopilotVersionFailure();
    void _requestStandardModes(AsyncFunctionState* state);
    void _requestCompInfo(AsyncFunctionState* state);
    void _requestParameters(SkippableAsyncState* state);
    void _onParametersReady(bool ready);
    void _requestMission(SkippableAsyncState* state);
    void _requestGeoFence(SkippableAsyncState* state);
    void _requestRallyPoints(SkippableAsyncState* state);
    void _signalComplete();
 
    // Skip predicates
    bool _shouldSkipAutopilotVersionRequest() const;
    bool _shouldSkipForFlying() const;
    bool _shouldSkipForLinkType() const;
    bool _hasPrimaryLink() const;
    bool _shouldSkipForPlanLoad();
 
    QString _lastSkipReason;
 
    // State pointers for wiring
    RetryableRequestMessageState* _stateAutopilotVersion = nullptr;
    AsyncFunctionState* _stateStandardModes = nullptr;
    AsyncFunctionState* _stateCompInfo = nullptr;
    SkippableAsyncState* _stateParameters = nullptr;
    SkippableAsyncState* _stateMission = nullptr;
    SkippableAsyncState* _stateGeoFence = nullptr;
    SkippableAsyncState* _stateRallyPoints = nullptr;
    RetryState* _stateComplete = nullptr;
    QGCFinalState* _stateFinal = nullptr;
 
    // Timeout handling with retry
    static constexpr int _maxRetries = 1;
 
    // Timeout values (ms)
    static constexpr int _timeoutAutopilotVersion = 5000;
    static constexpr int _timeoutStandardModes = 5000;
    static constexpr int _timeoutCompInfo = 30000;
    static constexpr int _timeoutParameters = 60000;
    static constexpr int _timeoutMission = 30000;
    static constexpr int _timeoutGeoFence = 15000;
    static constexpr int _timeoutRallyPoints = 15000;
};