//Copyright (C) Microsoft Corporation, All Rights Reserved
//
//Abstract:
//
//    This module contains the type definitions for the FusionSensor sample driver
//    hardware simulator.
//
//Environment:
//
//    Windows User-Mode Driver Framework (UMDF)

#pragma once

#include <windows.h>
#include <wdf.h>

#include "SensorsTrace.h"
#include <SensorsCx.h>

#include "Device.h"

#define SIMULATOR_HARDWARE_INTERVAL_MS    (1000)  // 1 second interval in milliseconds

typedef enum SIMULATOR_STATE
{
    SimulatorState_NotInitialized = 0,
    SimulatorState_Initialized,
    SimulatorState_Started
} SIMULATOR_STATE;

typedef class HardwareSimulator
{
private:
    WDFTIMER                m_Timer;
    ULONG                   m_Index;
    WDFWAITLOCK             m_Lock;
    SIMULATOR_STATE         m_State;
    WDFOBJECT               m_SimulatorInstance;
    BOOLEAN                 m_HasReset;

public:
    HardwareSimulator();
    ~HardwareSimulator();

    // WDF callbacks
    static EVT_WDF_TIMER        OnTimerExpire;

    static NTSTATUS Initialize(_In_ WDFDEVICE Device, _Out_ WDFOBJECT *SimulatorInstance);
    NTSTATUS Cleanup();
    NTSTATUS Start();
    NTSTATUS Stop();
    NTSTATUS GetSample(_Out_ FusionSensorSample *Sample);

private:
    NTSTATUS InitializeInternal(_In_ WDFOBJECT SimulatorInstance);
} HardwareSimulator, *PHardwareSimulator;


// Set up accessor function to retrieve device context
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(HardwareSimulator, GetHardwareSimulatorContextFromInstance);