/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation, nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#define LOG_NDDEBUG 0
#define LOG_TAG "LocSvc_afw"
#include <hardware/gps.h>
#include <gps_extended.h>
#include <loc_eng.h>
#include <loc_target.h>
#include <loc_log.h>
#include <fcntl.h>
#include <errno.h>
#include <dlfcn.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <LocDualContext.h>
#include <cutils/properties.h>
using namespace loc_core;
//Globals defns
static gps_location_callback gps_loc_cb = NULL;
static gps_sv_status_callback gps_sv_cb = NULL;
static void local_loc_cb(UlpLocation* location, void* locExt);
static void local_sv_cb(GpsSvStatus* sv_status, void* svExt);
static const GpsGeofencingInterface* get_geofence_interface(void);
// Function declarations for sLocEngInterface
static int loc_init(GpsCallbacks* callbacks);
static int loc_start();
static int loc_stop();
static void loc_cleanup();
static int loc_inject_time(GpsUtcTime time, int64_t timeReference, int uncertainty);
static int loc_inject_location(double latitude, double longitude, float accuracy);
static void loc_delete_aiding_data(GpsAidingData f);
static int loc_set_position_mode(GpsPositionMode mode, GpsPositionRecurrence recurrence,
uint32_t min_interval, uint32_t preferred_accuracy,
uint32_t preferred_time);
static const void* loc_get_extension(const char* name);
// Defines the GpsInterface in gps.h
static const GpsInterface sLocEngInterface =
{
sizeof(GpsInterface),
loc_init,
loc_start,
loc_stop,
loc_cleanup,
loc_inject_time,
loc_inject_location,
loc_delete_aiding_data,
loc_set_position_mode,
loc_get_extension
};
// Function declarations for sLocEngAGpsInterface
static void loc_agps_init(AGpsCallbacks* callbacks);
static int loc_agps_open(const char* apn);
static int loc_agps_closed();
static int loc_agps_open_failed();
static int loc_agps_set_server(AGpsType type, const char *hostname, int port);
static const AGpsInterface_v1 sLocEngAGpsInterface =
{
sizeof(AGpsInterface_v1),
loc_agps_init,
loc_agps_open,
loc_agps_closed,
loc_agps_open_failed,
loc_agps_set_server
};
static int loc_xtra_init(GpsXtraCallbacks* callbacks);
static int loc_xtra_inject_data(char* data, int length);
static const GpsXtraInterface sLocEngXTRAInterface =
{
sizeof(GpsXtraInterface),
loc_xtra_init,
loc_xtra_inject_data
};
static void loc_ni_init(GpsNiCallbacks *callbacks);
static void loc_ni_respond(int notif_id, GpsUserResponseType user_response);
const GpsNiInterface sLocEngNiInterface =
{
sizeof(GpsNiInterface),
loc_ni_init,
loc_ni_respond,
};
static void loc_agps_ril_init( AGpsRilCallbacks* callbacks );
static void loc_agps_ril_set_ref_location(const AGpsRefLocation *agps_reflocation, size_t sz_struct);
static void loc_agps_ril_set_set_id(AGpsSetIDType type, const char* setid);
static void loc_agps_ril_ni_message(uint8_t *msg, size_t len);
static void loc_agps_ril_update_network_state(int connected, int type, int roaming, const char* extra_info);
static void loc_agps_ril_update_network_availability(int avaiable, const char* apn);
static const AGpsRilInterface sLocEngAGpsRilInterface =
{
sizeof(AGpsRilInterface),
loc_agps_ril_init,
loc_agps_ril_set_ref_location,
loc_agps_ril_set_set_id,
loc_agps_ril_ni_message,
loc_agps_ril_update_network_state,
loc_agps_ril_update_network_availability
};
static loc_eng_data_s_type loc_afw_data;
static int gss_fd = 0;
/*===========================================================================
FUNCTION gps_get_hardware_interface
DESCRIPTION
Returns the GPS hardware interaface based on LOC API
if GPS is enabled.
DEPENDENCIES
None
RETURN VALUE
0: success
SIDE EFFECTS
N/A
===========================================================================*/
const GpsInterface* gps_get_hardware_interface ()
{
ENTRY_LOG_CALLFLOW();
const GpsInterface* ret_val;
char propBuf[PROPERTY_VALUE_MAX];
loc_eng_read_config();
// check to see if GPS should be disabled
property_get("gps.disable", propBuf, "");
if (propBuf[0] == '1')
{
LOC_LOGD("gps_get_interface returning NULL because gps.disable=1\n");
ret_val = NULL;
} else {
ret_val = &sLocEngInterface;
}
loc_eng_read_config();
EXIT_LOG(%p, ret_val);
return ret_val;
}
// for gps.c
extern "C" const GpsInterface* get_gps_interface()
{
unsigned int target = TARGET_DEFAULT;
loc_eng_read_config();
target = get_target();
LOC_LOGD("Target name check returned %s", loc_get_target_name(target));
//APQ8064
if( getTargetGnssType(target) == GNSS_GSS ) {
gps_conf.CAPABILITIES &= ~(GPS_CAPABILITY_MSA | GPS_CAPABILITY_MSB);
gss_fd = open("/dev/gss", O_RDONLY);
if (gss_fd < 0) {
LOC_LOGE("GSS open failed: %s\n", strerror(errno));
}
else {
LOC_LOGD("GSS open success! CAPABILITIES %0lx\n",
gps_conf.CAPABILITIES);
}
}
//MPQ8064
else if( getTargetGnssType(target) == GNSS_NONE) {
LOC_LOGE("No GPS HW on this target (MPQ8064). Not returning interface");
return NULL;
}
return &sLocEngInterface;
}
/*===========================================================================
FUNCTION loc_init
DESCRIPTION
Initialize the location engine, this include setting up global datas
and registers location engien with loc api service.
DEPENDENCIES
None
RETURN VALUE
0: success
SIDE EFFECTS
N/Ax
===========================================================================*/
static int loc_init(GpsCallbacks* callbacks)
{
int retVal = -1;
ENTRY_LOG();
LOC_API_ADAPTER_EVENT_MASK_T event;
if (NULL == callbacks) {
LOC_LOGE("loc_init failed. cb = NULL\n");
EXIT_LOG(%d, retVal);
return retVal;
}
event = LOC_API_ADAPTER_BIT_PARSED_POSITION_REPORT |
LOC_API_ADAPTER_BIT_SATELLITE_REPORT |
LOC_API_ADAPTER_BIT_LOCATION_SERVER_REQUEST |
LOC_API_ADAPTER_BIT_ASSISTANCE_DATA_REQUEST |
LOC_API_ADAPTER_BIT_IOCTL_REPORT |
LOC_API_ADAPTER_BIT_STATUS_REPORT |
LOC_API_ADAPTER_BIT_NMEA_1HZ_REPORT |
LOC_API_ADAPTER_BIT_NI_NOTIFY_VERIFY_REQUEST;
LocCallbacks clientCallbacks = {local_loc_cb, /* location_cb */
callbacks->status_cb, /* status_cb */
local_sv_cb, /* sv_status_cb */
callbacks->nmea_cb, /* nmea_cb */
callbacks->set_capabilities_cb, /* set_capabilities_cb */
callbacks->acquire_wakelock_cb, /* acquire_wakelock_cb */
callbacks->release_wakelock_cb, /* release_wakelock_cb */
callbacks->create_thread_cb, /* create_thread_cb */
NULL, /* location_ext_parser */
NULL, /* sv_ext_parser */
callbacks->request_utc_time_cb /* request_utc_time_cb */};
gps_loc_cb = callbacks->location_cb;
gps_sv_cb = callbacks->sv_status_cb;
retVal = loc_eng_init(loc_afw_data, &clientCallbacks, event);
loc_afw_data.adapter->requestUlp(gps_conf.CAPABILITIES);
loc_afw_data.adapter->mAgpsEnabled = !loc_afw_data.adapter->hasAgpsExt();
EXIT_LOG(%d, retVal);
return retVal;
}
/*===========================================================================
FUNCTION loc_cleanup
DESCRIPTION
Cleans location engine. The location client handle will be released.
DEPENDENCIES
None
RETURN VALUE
None
SIDE EFFECTS
N/A
===========================================================================*/
static void loc_cleanup()
{
ENTRY_LOG();
loc_eng_cleanup(loc_afw_data);
gps_loc_cb = NULL;
gps_sv_cb = NULL;
/*
* if (get_target() == TARGET_NAME_APQ8064_STANDALONE)
* {
* close(gss_fd);
* LOC_LOGD("GSS shutdown.\n");
* }
*/
EXIT_LOG(%s, VOID_RET);
}
/*===========================================================================
FUNCTION loc_start
DESCRIPTION
Starts the tracking session
DEPENDENCIES
None
RETURN VALUE
0: success
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_start()
{
ENTRY_LOG();
int ret_val = loc_eng_start(loc_afw_data);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_stop
DESCRIPTION
Stops the tracking session
DEPENDENCIES
None
RETURN VALUE
0: success
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_stop()
{
ENTRY_LOG();
int ret_val = -1;
ret_val = loc_eng_stop(loc_afw_data);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_set_position_mode
DESCRIPTION
Sets the mode and fix frequency for the tracking session.
DEPENDENCIES
None
RETURN VALUE
0: success
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_set_position_mode(GpsPositionMode mode,
GpsPositionRecurrence recurrence,
uint32_t min_interval,
uint32_t preferred_accuracy,
uint32_t preferred_time)
{
ENTRY_LOG();
int ret_val = -1;
LocPositionMode locMode;
switch (mode) {
case GPS_POSITION_MODE_MS_BASED:
locMode = LOC_POSITION_MODE_MS_BASED;
break;
case GPS_POSITION_MODE_MS_ASSISTED:
locMode = LOC_POSITION_MODE_MS_ASSISTED;
break;
default:
locMode = LOC_POSITION_MODE_STANDALONE;
break;
}
LocPosMode params(locMode, recurrence, min_interval,
preferred_accuracy, preferred_time, NULL, NULL);
ret_val = loc_eng_set_position_mode(loc_afw_data, params);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_inject_time
DESCRIPTION
This is used by Java native function to do time injection.
DEPENDENCIES
None
RETURN VALUE
0
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_inject_time(GpsUtcTime time, int64_t timeReference, int uncertainty)
{
ENTRY_LOG();
int ret_val = 0;
ret_val = loc_eng_inject_time(loc_afw_data, time,
timeReference, uncertainty);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_inject_location
DESCRIPTION
This is used by Java native function to do location injection.
DEPENDENCIES
None
RETURN VALUE
0 : Successful
error code : Failure
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_inject_location(double latitude, double longitude, float accuracy)
{
static bool initialized = false;
static bool enable_cpi = true;
ENTRY_LOG();
if(!initialized)
{
char value[PROPERTY_VALUE_MAX];
memset(value, 0, sizeof(value));
(void)property_get("persist.gps.qc_nlp_in_use", value, "0");
if(0 == strcmp(value, "1"))
{
enable_cpi = false;
LOC_LOGI("GPS HAL coarse position injection disabled");
}
else
{
LOC_LOGI("GPS HAL coarse position injection enabled");
}
initialized = true;
}
int ret_val = 0;
if(enable_cpi)
{
ret_val = loc_eng_inject_location(loc_afw_data, latitude, longitude, accuracy);
}
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_delete_aiding_data
DESCRIPTION
This is used by Java native function to delete the aiding data. The function
updates the global variable for the aiding data to be deleted. If the GPS
engine is off, the aiding data will be deleted. Otherwise, the actual action
will happen when gps engine is turned off.
DEPENDENCIES
Assumes the aiding data type specified in GpsAidingData matches with
LOC API specification.
RETURN VALUE
None
SIDE EFFECTS
N/A
===========================================================================*/
static void loc_delete_aiding_data(GpsAidingData f)
{
ENTRY_LOG();
loc_eng_delete_aiding_data(loc_afw_data, f);
EXIT_LOG(%s, VOID_RET);
}
const GpsGeofencingInterface* get_geofence_interface(void)
{
ENTRY_LOG();
void *handle;
const char *error;
typedef const GpsGeofencingInterface* (*get_gps_geofence_interface_function) (void);
get_gps_geofence_interface_function get_gps_geofence_interface;
static const GpsGeofencingInterface* geofence_interface = NULL;
dlerror(); /* Clear any existing error */
handle = dlopen ("libgeofence.so", RTLD_NOW);
if (!handle)
{
if ((error = dlerror()) != NULL) {
LOC_LOGE ("%s, dlopen for libgeofence.so failed, error = %s\n", __func__, error);
}
goto exit;
}
dlerror(); /* Clear any existing error */
get_gps_geofence_interface = (get_gps_geofence_interface_function)dlsym(handle, "gps_geofence_get_interface");
if ((error = dlerror()) != NULL) {
LOC_LOGE ("%s, dlsym for get_gps_geofence_interface failed, error = %s\n", __func__, error);
goto exit;
}
geofence_interface = get_gps_geofence_interface();
exit:
EXIT_LOG(%d, geofence_interface == NULL);
return geofence_interface;
}
/*===========================================================================
FUNCTION loc_get_extension
DESCRIPTION
Get the gps extension to support XTRA.
DEPENDENCIES
N/A
RETURN VALUE
The GPS extension interface.
SIDE EFFECTS
N/A
===========================================================================*/
const void* loc_get_extension(const char* name)
{
ENTRY_LOG();
const void* ret_val = NULL;
LOC_LOGD("%s:%d] For Interface = %s\n",__func__, __LINE__, name);
if (strcmp(name, GPS_XTRA_INTERFACE) == 0)
{
ret_val = &sLocEngXTRAInterface;
}
else if (strcmp(name, AGPS_INTERFACE) == 0)
{
//Return an interface to AGPS only if MSA or MSB capabilities
//are present. If the target is an APQ, these masks are
//cleared in get_gps_interface() and the below logic will
//return NULL as the interface for AGPS
if((gps_conf.CAPABILITIES & GPS_CAPABILITY_MSA) ||
(gps_conf.CAPABILITIES & GPS_CAPABILITY_MSB) ) {
LOC_LOGD("%s:%d]: AGPS capabilities found\n", __func__, __LINE__);
ret_val = &sLocEngAGpsInterface;
}
else {
LOC_LOGD("%s:%d]: Returning NULL AgpsInterface\n", __func__, __LINE__);
ret_val = NULL;
}
}
else if (strcmp(name, GPS_NI_INTERFACE) == 0)
{
ret_val = &sLocEngNiInterface;
}
else if (strcmp(name, AGPS_RIL_INTERFACE) == 0)
{
char baseband[PROPERTY_VALUE_MAX];
property_get("ro.baseband", baseband, "msm");
if (strcmp(baseband, "csfb") == 0)
{
ret_val = &sLocEngAGpsRilInterface;
}
}
else if (strcmp(name, GPS_GEOFENCING_INTERFACE) == 0)
{
if ((gps_conf.CAPABILITIES | GPS_CAPABILITY_GEOFENCING) == gps_conf.CAPABILITIES ){
ret_val = get_geofence_interface();
}
}
else
{
LOC_LOGE ("get_extension: Invalid interface passed in\n");
}
EXIT_LOG(%p, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_agps_init
DESCRIPTION
Initialize the AGps interface.
DEPENDENCIES
NONE
RETURN VALUE
0
SIDE EFFECTS
N/A
===========================================================================*/
static void loc_agps_init(AGpsCallbacks* callbacks)
{
ENTRY_LOG();
loc_eng_agps_init(loc_afw_data, (AGpsExtCallbacks*)callbacks);
EXIT_LOG(%s, VOID_RET);
}
/*===========================================================================
FUNCTION loc_agps_open
DESCRIPTION
This function is called when on-demand data connection opening is successful.
It should inform ARM 9 about the data open result.
DEPENDENCIES
NONE
RETURN VALUE
0
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_agps_open(const char* apn)
{
ENTRY_LOG();
AGpsType agpsType = AGPS_TYPE_SUPL;
AGpsBearerType bearerType = AGPS_APN_BEARER_IPV4;
int ret_val = loc_eng_agps_open(loc_afw_data, agpsType, apn, bearerType);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_agps_closed
DESCRIPTION
This function is called when on-demand data connection closing is done.
It should inform ARM 9 about the data close result.
DEPENDENCIES
NONE
RETURN VALUE
0
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_agps_closed()
{
ENTRY_LOG();
AGpsType agpsType = AGPS_TYPE_SUPL;
int ret_val = loc_eng_agps_closed(loc_afw_data, agpsType);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_agps_open_failed
DESCRIPTION
This function is called when on-demand data connection opening has failed.
It should inform ARM 9 about the data open result.
DEPENDENCIES
NONE
RETURN VALUE
0
SIDE EFFECTS
N/A
===========================================================================*/
int loc_agps_open_failed()
{
ENTRY_LOG();
AGpsType agpsType = AGPS_TYPE_SUPL;
int ret_val = loc_eng_agps_open_failed(loc_afw_data, agpsType);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_agps_set_server
DESCRIPTION
If loc_eng_set_server is called before loc_eng_init, it doesn't work. This
proxy buffers server settings and calls loc_eng_set_server when the client is
open.
DEPENDENCIES
NONE
RETURN VALUE
0
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_agps_set_server(AGpsType type, const char* hostname, int port)
{
ENTRY_LOG();
LocServerType serverType;
switch (type) {
case AGPS_TYPE_SUPL:
serverType = LOC_AGPS_SUPL_SERVER;
break;
case AGPS_TYPE_C2K:
serverType = LOC_AGPS_CDMA_PDE_SERVER;
break;
default:
serverType = LOC_AGPS_SUPL_SERVER;
}
int ret_val = loc_eng_set_server_proxy(loc_afw_data, serverType, hostname, port);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTIONf571
loc_xtra_init
DESCRIPTION
Initialize XTRA module.
DEPENDENCIES
None
RETURN VALUE
0: success
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_xtra_init(GpsXtraCallbacks* callbacks)
{
ENTRY_LOG();
int ret_val = loc_eng_xtra_init(loc_afw_data, (GpsXtraExtCallbacks*)callbacks);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_xtra_inject_data
DESCRIPTION
Initialize XTRA module.
DEPENDENCIES
None
RETURN VALUE
0: success
SIDE EFFECTS
N/A
===========================================================================*/
static int loc_xtra_inject_data(char* data, int length)
{
ENTRY_LOG();
int ret_val = -1;
if( (data != NULL) && ((unsigned int)length <= XTRA_DATA_MAX_SIZE))
ret_val = loc_eng_xtra_inject_data(loc_afw_data, data, length);
else
LOC_LOGE("%s, Could not inject XTRA data. Buffer address: %p, length: %d",
__func__, data, length);
EXIT_LOG(%d, ret_val);
return ret_val;
}
/*===========================================================================
FUNCTION loc_ni_init
DESCRIPTION
This function initializes the NI interface
DEPENDENCIES
NONE
RETURN VALUE
None
SIDE EFFECTS
N/A
===========================================================================*/
void loc_ni_init(GpsNiCallbacks *callbacks)
{
ENTRY_LOG();
loc_eng_ni_init(loc_afw_data,(GpsNiExtCallbacks*) callbacks);
EXIT_LOG(%s, VOID_RET);
}
/*===========================================================================
FUNCTION loc_ni_respond
DESCRIPTION
This function sends an NI respond to the modem processor
DEPENDENCIES
NONE
RETURN VALUE
None
SIDE EFFECTS
N/A
===========================================================================*/
void loc_ni_respond(int notif_id, GpsUserResponseType user_response)
{
ENTRY_LOG();
loc_eng_ni_respond(loc_afw_data, notif_id, user_response);
EXIT_LOG(%s, VOID_RET);
}
// Below stub functions are members of sLocEngAGpsRilInterface
static void loc_agps_ril_init( AGpsRilCallbacks* callbacks ) {}
static void loc_agps_ril_set_ref_location(const AGpsRefLocation *agps_reflocation, size_t sz_struct) {}
static void loc_agps_ril_set_set_id(AGpsSetIDType type, const char* setid) {}
static void loc_agps_ril_ni_message(uint8_t *msg, size_t len) {}
static void loc_agps_ril_update_network_state(int connected, int type, int roaming, const char* extra_info) {}
/*===========================================================================
FUNCTION loc_agps_ril_update_network_availability
DESCRIPTION
Sets data call allow vs disallow flag to modem
This is the only member of sLocEngAGpsRilInterface implemented.
DEPENDENCIES
None
RETURN VALUE
0: success
SIDE EFFECTS
N/A
===========================================================================*/
static void loc_agps_ril_update_network_availability(int available, const char* apn)
{
ENTRY_LOG();
loc_eng_agps_ril_update_network_availability(loc_afw_data, available, apn);
EXIT_LOG(%s, VOID_RET);
}
static void local_loc_cb(UlpLocation* location, void* locExt)
{
ENTRY_LOG();
if (NULL != location) {
CALLBACK_LOG_CALLFLOW("location_cb - from", %d, location->position_source);
if (NULL != gps_loc_cb) {
gps_loc_cb(&location->gpsLocation);
}
}
EXIT_LOG(%s, VOID_RET);
}
static void local_sv_cb(GpsSvStatus* sv_status, void* svExt)
{
ENTRY_LOG();
if (NULL != gps_sv_cb) {
CALLBACK_LOG_CALLFLOW("sv_status_cb -", %d, sv_status->num_svs);
gps_sv_cb(sv_status);
}
EXIT_LOG(%s, VOID_RET);
}