src/connectivity/gps/gps_hal/inc/gpshal.h

/* Copyright Statement:
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 * This software/firmware and related documentation ("MediaTek Software") are
 * protected under relevant copyright laws. The information contained herein
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#ifndef __GPS_HAL_H__
#define __GPS_HAL_H__

#include "hardware/gps_mtk.h"
#include <pthread.h>

//=========================================================

#define MAX_EPOLL_EVENT 50

//=========================================================

typedef enum {  // state order is important
    GPSHAL_STATE_UNKNOWN,
    GPSHAL_STATE_RESOURCE,
    GPSHAL_STATE_CLEANUP,
    GPSHAL_STATE_INIT,    // == STOP
    GPSHAL_STATE_STOP,    // == INIT
    GPSHAL_STATE_START
} gpshal_state;

typedef struct {
    int       fd_mnl2hal;
    int       fd_worker_epoll;
    pthread_t thd_worker;

    pthread_mutex_t mutex_gps_state_intent;
    gpshal_state    gps_state_intent;  // what we want
    gpshal_state    gps_state;  // what we are, but we may fail to change it

    GpsCallbacks_ext* gps_cbs;
    AGpsCallbacks*    agps_cbs;
    GpsNiCallbacks*   gpsni_cbs;
    AGpsRilCallbacks* agpsril_cbs;
    GpsMeasurementCallbacks_ext*       meas_cbs;
    GpsNavigationMessageCallbacks* navimsg_cbs;
    GpsGeofenceCallbacks* geofence_cbs;
    VzwDebugCallbacks* vzw_debug_cbs;
} gpshal_context_t;

//=========================================================

extern gpshal_context_t g_gpshal_ctx;
extern const AGpsInterface mtk_agps_inf;
extern const GpsNiInterface  mtk_gps_ni_inf;
extern const AGpsRilInterface mtk_agps_ril_inf;
extern const GpsGeofencingInterface mtkGeofence_inf;


//=========================================================

extern const char* gpshal_state_to_string(gpshal_state state);

extern int gpshal_gpscbs_save(GpsCallbacks_ext* src);

extern void gpshal_set_gps_state_intent(gpshal_state newState);

extern void gpshal2mnl_gps_init();
extern void gpshal2mnl_gps_start();
extern void gpshal2mnl_gps_stop();
extern void gpshal2mnl_gps_cleanup();

extern void gpshal_worker_thread(void *arg);

#endif  //  __GPS_HAL_DEBUG_H__