/* Copyright (c) 2011 - 2012, Code Aurora Forum. 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 Code Aurora Forum, Inc. 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 #include #include #include #include #include #include #include #include //Globals defns static const ulpInterface * loc_eng_ulp_inf = NULL; static const ulpInterface * loc_eng_get_ulp_inf(void); static gps_location_callback gps_loc_cb = NULL; static gps_sv_status_callback gps_sv_cb = NULL; static void loc_cb(GpsLocation* location, void* locExt); static void sv_cb(GpsSvStatus* sv_status, void* svExt); // 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); //ULP/Hybrid provider Function definitions static int loc_update_criteria(UlpLocationCriteria criteria); static int loc_ulp_network_init(UlpNetworkLocationCallbacks *callbacks); static int loc_ulp_send_network_position(UlpNetworkPositionReport *position_report); static int loc_ulp_phone_context_init(UlpPhoneContextCallbacks *callback); static int loc_ulp_phone_context_settings_update(UlpPhoneContextSettings *settings); // 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, loc_update_criteria }; // Function declarations for sLocEngAGpsInterface static void loc_agps_init(AGpsCallbacks* callbacks); static int loc_agps_open(AGpsType agpsType, const char* apn, AGpsBearerType bearerType); static int loc_agps_closed(AGpsType agpsType); static int loc_agps_open_failed(AGpsType agpsType); static int loc_agps_set_server(AGpsType type, const char *hostname, int port); static const AGpsInterface sLocEngAGpsInterface = { sizeof(AGpsInterface), 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 bool loc_inject_raw_command(char* command, int length); static const InjectRawCmdInterface sLocEngInjectRawCmdInterface = { sizeof(InjectRawCmdInterface), loc_inject_raw_command }; //ULP/Hybrid provider interfaces static const UlpNetworkInterface sUlpNetworkInterface = { sizeof(UlpNetworkInterface), loc_ulp_network_init, loc_ulp_send_network_position }; static const UlpPhoneContextInterface sLocEngUlpPhoneContextInterface = { sizeof(UlpPhoneContextInterface), loc_ulp_phone_context_init, loc_ulp_phone_context_settings_update }; static loc_eng_data_s_type loc_afw_data; static int gss_fd = 0; #define TARGET_NAME_OTHER 0 #define TARGET_NAME_APQ8064_STANDALONE 1 #define TARGET_NAME_APQ8064_FUSION3 2 static int read_a_line(const char * file_path, char * line, int line_size) { FILE *fp; int result = 0; * line = '\0'; fp = fopen(file_path, "r" ); if( fp == NULL ) { LOC_LOGE("open failed: %s: %s\n", file_path, strerror(errno)); result = -1; } else { int len; fgets(line, line_size, fp); len = strlen(line); len = len < line_size - 1? len : line_size - 1; line[len] = '\0'; LOC_LOGD("cat %s: %s", file_path, line); fclose(fp); } return result; } #define LINE_LEN 100 #define STR_LIQUID "Liquid" #define STR_SURF "Surf" #define STRLEN_LIQUID (sizeof(STR_LIQUID) - 1) #define STRLEN_SURF (sizeof(STR_SURF) - 1) #define IS_STR_END(c) ((c) == '\0' || (c) == '\n' || (c) == '\r') static int get_target_name(void) { int target_name = TARGET_NAME_OTHER; char hw_platform[] = "/sys/devices/system/soc/soc0/hw_platform"; // "Liquid" or "Surf" char id[] = "/sys/devices/system/soc/soc0/id"; //109 char mdm[] = "/dev/mdm"; // No such file or directory char line[LINE_LEN]; read_a_line( hw_platform, line, LINE_LEN); if(( !memcmp(line, STR_LIQUID, STRLEN_LIQUID) && IS_STR_END(line[STRLEN_LIQUID]) ) || ( !memcmp(line, STR_SURF, STRLEN_SURF) && IS_STR_END(line[STRLEN_SURF]) ) ) { if (!read_a_line( mdm, line, LINE_LEN)) { target_name = TARGET_NAME_APQ8064_FUSION3; } else { read_a_line( id, line, LINE_LEN); if(!strncmp(line, "109", strlen("109"))) { target_name = TARGET_NAME_APQ8064_STANDALONE; } } } return target_name; } /*=========================================================================== 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]; // 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; } EXIT_LOG(%p, ret_val); return ret_val; } // for gps.c extern "C" const GpsInterface* get_gps_interface() { loc_eng_read_config(); //We load up libulp module at this point itself if ULP configured to be On if(gps_conf.CAPABILITIES & ULP_CAPABILITY) { loc_eng_ulp_inf = loc_eng_get_ulp_inf(); } return &sLocEngInterface; } static void loc_free_msg(void* msg) { delete (loc_eng_msg*)msg; } void loc_ulp_msg_sender(void* loc_eng_data_p, void* msg) { LocEngContext* loc_eng_context = (LocEngContext*)((loc_eng_data_s_type*)loc_eng_data_p)->context; msg_q_snd((void*)loc_eng_context->ulp_q, msg, loc_free_msg); } /*=========================================================================== 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) { ENTRY_LOG(); LOC_API_ADAPTER_EVENT_MASK_T 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 = {loc_cb, /* location_cb */ callbacks->status_cb, /* status_cb */ 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 */}; gps_loc_cb = callbacks->location_cb; gps_sv_cb = callbacks->sv_status_cb; if (get_target_name() == TARGET_NAME_APQ8064_STANDALONE) { 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)); return NULL; } LOC_LOGD("GSS open success! CAPABILITIES %0x\n", gps_conf.CAPABILITIES); } int retVal = -1; if (loc_eng_ulp_inf == NULL) retVal = loc_eng_init(loc_afw_data, &clientCallbacks, event, NULL); else retVal = loc_eng_init(loc_afw_data, &clientCallbacks, event, loc_ulp_msg_sender); int ret_val1 = loc_eng_ulp_init(loc_afw_data, loc_eng_ulp_inf); LOC_LOGD("loc_eng_ulp_init returned %d\n",ret_val1); 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_name() == 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 = 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(); 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); int 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 = 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) { ENTRY_LOG(); int 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); } /*=========================================================================== FUNCTION loc_update_criteria DESCRIPTION This is used to inform the ULP module of new unique criteria that are passed in by the applications DEPENDENCIES N/A RETURN VALUE 0: success SIDE EFFECTS N/A ===========================================================================*/ static int loc_update_criteria(UlpLocationCriteria criteria) { ENTRY_LOG(); int ret_val = loc_eng_update_criteria(loc_afw_data, criteria); EXIT_LOG(%d, ret_val); return ret_val; } /*=========================================================================== 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 ===========================================================================*/ static const void* loc_get_extension(const char* name) { ENTRY_LOG(); const void* ret_val = NULL; if (strcmp(name, GPS_XTRA_INTERFACE) == 0) { ret_val = &sLocEngXTRAInterface; } else if (strcmp(name, AGPS_INTERFACE) == 0) { ret_val = &sLocEngAGpsInterface; } 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, ULP_RAW_CMD_INTERFACE) == 0) { ret_val = &sLocEngInjectRawCmdInterface; } else if(strcmp(name, ULP_PHONE_CONTEXT_INTERFACE) == 0) { ret_val = &sLocEngUlpPhoneContextInterface; } else if(strcmp(name, ULP_NETWORK_INTERFACE) == 0) { //Return a valid value for ULP Network Interface only if ULP //turned on in gps.conf if(gps_conf.CAPABILITIES & ULP_CAPABILITY) ret_val = &sUlpNetworkInterface; } 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, 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(AGpsType agpsType, const char* apn, AGpsBearerType bearerType) { ENTRY_LOG(); 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(AGpsType agpsType) { ENTRY_LOG(); 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(AGpsType agpsType) { ENTRY_LOG(); 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; } int ret_val = loc_eng_set_server_proxy(loc_afw_data, serverType, hostname, port); EXIT_LOG(%d, ret_val); return ret_val; } /*=========================================================================== FUNCTION 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, 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 = loc_eng_xtra_inject_data(loc_afw_data, 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, 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); } /*=========================================================================== FUNCTION loc_inject_raw_command DESCRIPTION This is used to send special test modem commands from the applications down into the HAL DEPENDENCIES N/A RETURN VALUE 0: success SIDE EFFECTS N/A ===========================================================================*/ static bool loc_inject_raw_command(char* command, int length) { ENTRY_LOG(); int ret_val = loc_eng_inject_raw_command(loc_afw_data, command, length); EXIT_LOG(%s, loc_logger_boolStr[ret_val!=0]); return ret_val; } static void loc_cb(GpsLocation* location, void* locExt) { ENTRY_LOG(); if (NULL != gps_loc_cb && NULL != location) { CALLBACK_LOG_CALLFLOW("location_cb - from", %d, location->position_source); gps_loc_cb(location); } EXIT_LOG(%s, VOID_RET); } static void 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); } /*=========================================================================== FUNCTION loc_eng_get_ulp_inf DESCRIPTION This function checks if ULP is enabled, and loads the libulp2.so and returns its interface DEPENDENCIES None RETURN VALUE interface pointer to libulp: no error NULL: errors SIDE EFFECTS N/A ===========================================================================*/ const ulpInterface * loc_eng_get_ulp_inf(void) { ENTRY_LOG(); void *handle; const char *error; get_ulp_interface* get_ulp_inf; const ulpInterface* loc_eng_ulpInf = NULL; if (!(gps_conf.CAPABILITIES & ULP_CAPABILITY)) { LOC_LOGD ("%s, ULP is not configured to be On in gps.conf\n", __func__); goto exit; } dlerror(); /* Clear any existing error */ handle = dlopen ("libulp2.so", RTLD_NOW); if (!handle) { if ((error = dlerror()) != NULL) { LOC_LOGE ("%s, dlopen for libulp.so failed, error = %s\n", __func__, error); } goto exit; } dlerror(); /* Clear any existing error */ get_ulp_inf = (get_ulp_interface*) dlsym(handle, "ulp_get_interface"); if ((error = dlerror()) != NULL) { LOC_LOGE ("%s, dlsym for ulpInterface failed, error = %s\n", __func__, error); goto exit; } // Initialize the ULP interface loc_eng_ulpInf = get_ulp_inf(); exit: EXIT_LOG(%d, loc_eng_ulpInf == NULL); return loc_eng_ulpInf; } /*=========================================================================== FUNCTION loc_ulp_network_init DESCRIPTION Initialize the ULP network interface. DEPENDENCIES NONE RETURN VALUE 0 SIDE EFFECTS N/A ===========================================================================*/ static int loc_ulp_phone_context_init(UlpPhoneContextCallbacks *callbacks) { ENTRY_LOG(); int ret_val = loc_eng_ulp_phone_context_init(loc_afw_data, callbacks); EXIT_LOG(%d, ret_val); return ret_val; } /*=========================================================================== FUNCTION loc_ulp_phone_context_settings_update DESCRIPTION This is used to inform the ULP module of phone settings changes carried out by the users DEPENDENCIES N/A RETURN VALUE 0: success SIDE EFFECTS N/A ===========================================================================*/ static int loc_ulp_phone_context_settings_update(UlpPhoneContextSettings *settings) { ENTRY_LOG(); int ret_val = -1; ret_val = loc_eng_ulp_phone_context_settings_update(loc_afw_data, settings); EXIT_LOG(%d, ret_val); return ret_val; } /*=========================================================================== FUNCTION loc_ulp_network_init DESCRIPTION Initialize the ULP network interface. DEPENDENCIES NONE RETURN VALUE 0 SIDE EFFECTS N/A ===========================================================================*/ static int loc_ulp_network_init(UlpNetworkLocationCallbacks *callbacks) { ENTRY_LOG(); int ret_val = loc_eng_ulp_network_init(loc_afw_data, callbacks); EXIT_LOG(%d, ret_val); return ret_val; } /*=========================================================================== FUNCTION loc_eng_ulp_send_network_position DESCRIPTION Ulp send data DEPENDENCIES NONE RETURN VALUE 0 SIDE EFFECTS N/A ===========================================================================*/ int loc_ulp_send_network_position(UlpNetworkPositionReport *position_report) { ENTRY_LOG(); int ret_val = -1; ret_val = loc_eng_ulp_send_network_position(loc_afw_data, position_report); EXIT_LOG(%d, ret_val); return ret_val; }