+++ /dev/null
-
-#include <errno.h>
-#include <pthread.h>
-#include "qemu.h"
-#include <fcntl.h>
-#include <sys/epoll.h>
-#include <math.h>
-#include <time.h>
-
-#define LOG_TAG "gps_qemu"
-#include <cutils/log.h>
-#include <cutils/sockets.h>
-#include <hardware_legacy/gps.h>
-
-/* the name of the qemud-controlled socket */
-#define QEMU_CHANNEL_NAME "gps"
-
-#define GPS_DEBUG 0
-
-#if GPS_DEBUG
-# define D(...) LOGD(__VA_ARGS__)
-#else
-# define D(...) ((void)0)
-#endif
-
-
-/*****************************************************************/
-/*****************************************************************/
-/***** *****/
-/***** N M E A T O K E N I Z E R *****/
-/***** *****/
-/*****************************************************************/
-/*****************************************************************/
-
-typedef struct {
- const char* p;
- const char* end;
-} Token;
-
-#define MAX_NMEA_TOKENS 16
-
-typedef struct {
- int count;
- Token tokens[ MAX_NMEA_TOKENS ];
-} NmeaTokenizer;
-
-static int
-nmea_tokenizer_init( NmeaTokenizer* t, const char* p, const char* end )
-{
- int count = 0;
- char* q;
-
- // the initial '$' is optional
- if (p < end && p[0] == '$')
- p += 1;
-
- // remove trailing newline
- if (end > p && end[-1] == '\n') {
- end -= 1;
- if (end > p && end[-1] == '\r')
- end -= 1;
- }
-
- // get rid of checksum at the end of the sentecne
- if (end >= p+3 && end[-3] == '*') {
- end -= 3;
- }
-
- while (p < end) {
- const char* q = p;
-
- q = memchr(p, ',', end-p);
- if (q == NULL)
- q = end;
-
- if (q > p) {
- if (count < MAX_NMEA_TOKENS) {
- t->tokens[count].p = p;
- t->tokens[count].end = q;
- count += 1;
- }
- }
- if (q < end)
- q += 1;
-
- p = q;
- }
-
- t->count = count;
- return count;
-}
-
-static Token
-nmea_tokenizer_get( NmeaTokenizer* t, int index )
-{
- Token tok;
- static const char* dummy = "";
-
- if (index < 0 || index >= t->count) {
- tok.p = tok.end = dummy;
- } else
- tok = t->tokens[index];
-
- return tok;
-}
-
-
-static int
-str2int( const char* p, const char* end )
-{
- int result = 0;
- int len = end - p;
-
- for ( ; len > 0; len--, p++ )
- {
- int c;
-
- if (p >= end)
- goto Fail;
-
- c = *p - '0';
- if ((unsigned)c >= 10)
- goto Fail;
-
- result = result*10 + c;
- }
- return result;
-
-Fail:
- return -1;
-}
-
-static double
-str2float( const char* p, const char* end )
-{
- int result = 0;
- int len = end - p;
- char temp[16];
-
- if (len >= (int)sizeof(temp))
- return 0.;
-
- memcpy( temp, p, len );
- temp[len] = 0;
- return strtod( temp, NULL );
-}
-
-/*****************************************************************/
-/*****************************************************************/
-/***** *****/
-/***** N M E A P A R S E R *****/
-/***** *****/
-/*****************************************************************/
-/*****************************************************************/
-
-#define NMEA_MAX_SIZE 83
-
-typedef struct {
- int pos;
- int overflow;
- int utc_year;
- int utc_mon;
- int utc_day;
- int utc_diff;
- GpsLocation fix;
- gps_location_callback callback;
- char in[ NMEA_MAX_SIZE+1 ];
-} NmeaReader;
-
-
-static void
-nmea_reader_update_utc_diff( NmeaReader* r )
-{
- time_t now = time(NULL);
- struct tm tm_local;
- struct tm tm_utc;
- long time_local, time_utc;
-
- gmtime_r( &now, &tm_utc );
- localtime_r( &now, &tm_local );
-
- time_local = tm_local.tm_sec +
- 60*(tm_local.tm_min +
- 60*(tm_local.tm_hour +
- 24*(tm_local.tm_yday +
- 365*tm_local.tm_year)));
-
- time_utc = tm_utc.tm_sec +
- 60*(tm_utc.tm_min +
- 60*(tm_utc.tm_hour +
- 24*(tm_utc.tm_yday +
- 365*tm_utc.tm_year)));
-
- r->utc_diff = time_utc - time_local;
-}
-
-
-static void
-nmea_reader_init( NmeaReader* r )
-{
- memset( r, 0, sizeof(*r) );
-
- r->pos = 0;
- r->overflow = 0;
- r->utc_year = -1;
- r->utc_mon = -1;
- r->utc_day = -1;
- r->callback = NULL;
-
- nmea_reader_update_utc_diff( r );
-}
-
-
-static void
-nmea_reader_set_callback( NmeaReader* r, gps_location_callback cb )
-{
- r->callback = cb;
- if (cb != NULL && r->fix.flags != 0) {
- D("%s: sending latest fix to new callback", __FUNCTION__);
- r->callback( &r->fix );
- r->fix.flags = 0;
- }
-}
-
-
-static int
-nmea_reader_update_time( NmeaReader* r, Token tok )
-{
- int hour, minute;
- double seconds;
- struct tm tm;
- time_t fix_time;
-
- if (tok.p + 6 > tok.end)
- return -1;
-
- if (r->utc_year < 0) {
- // no date yet, get current one
- time_t now = time(NULL);
- gmtime_r( &now, &tm );
- r->utc_year = tm.tm_year + 1900;
- r->utc_mon = tm.tm_mon + 1;
- r->utc_day = tm.tm_mday;
- }
-
- hour = str2int(tok.p, tok.p+2);
- minute = str2int(tok.p+2, tok.p+4);
- seconds = str2float(tok.p+4, tok.end);
-
- tm.tm_hour = hour;
- tm.tm_min = minute;
- tm.tm_sec = (int) seconds;
- tm.tm_year = r->utc_year - 1900;
- tm.tm_mon = r->utc_mon - 1;
- tm.tm_mday = r->utc_day;
- tm.tm_isdst = -1;
-
- fix_time = mktime( &tm ) + r->utc_diff;
- r->fix.timestamp = (long long)fix_time * 1000;
- return 0;
-}
-
-static int
-nmea_reader_update_date( NmeaReader* r, Token date, Token time )
-{
- Token tok = date;
- int day, mon, year;
-
- if (tok.p + 6 != tok.end) {
- D("date not properly formatted: '%.*s'", tok.end-tok.p, tok.p);
- return -1;
- }
- day = str2int(tok.p, tok.p+2);
- mon = str2int(tok.p+2, tok.p+4);
- year = str2int(tok.p+4, tok.p+6) + 2000;
-
- if ((day|mon|year) < 0) {
- D("date not properly formatted: '%.*s'", tok.end-tok.p, tok.p);
- return -1;
- }
-
- r->utc_year = year;
- r->utc_mon = mon;
- r->utc_day = day;
-
- return nmea_reader_update_time( r, time );
-}
-
-
-static double
-convert_from_hhmm( Token tok )
-{
- double val = str2float(tok.p, tok.end);
- int degrees = (int)(floor(val) / 100);
- double minutes = val - degrees*100.;
- double dcoord = degrees + minutes / 60.0;
- return dcoord;
-}
-
-
-static int
-nmea_reader_update_latlong( NmeaReader* r,
- Token latitude,
- char latitudeHemi,
- Token longitude,
- char longitudeHemi )
-{
- double lat, lon;
- Token tok;
-
- tok = latitude;
- if (tok.p + 6 > tok.end) {
- D("latitude is too short: '%.*s'", tok.end-tok.p, tok.p);
- return -1;
- }
- lat = convert_from_hhmm(tok);
- if (latitudeHemi == 'S')
- lat = -lat;
-
- tok = longitude;
- if (tok.p + 6 > tok.end) {
- D("longitude is too short: '%.*s'", tok.end-tok.p, tok.p);
- return -1;
- }
- lon = convert_from_hhmm(tok);
- if (longitudeHemi == 'W')
- lon = -lon;
-
- r->fix.flags |= GPS_LOCATION_HAS_LAT_LONG;
- r->fix.latitude = lat;
- r->fix.longitude = lon;
- return 0;
-}
-
-
-static int
-nmea_reader_update_altitude( NmeaReader* r,
- Token altitude,
- Token units )
-{
- double alt;
- Token tok = altitude;
-
- if (tok.p >= tok.end)
- return -1;
-
- r->fix.flags |= GPS_LOCATION_HAS_ALTITUDE;
- r->fix.altitude = str2float(tok.p, tok.end);
- return 0;
-}
-
-
-static int
-nmea_reader_update_bearing( NmeaReader* r,
- Token bearing )
-{
- double alt;
- Token tok = bearing;
-
- if (tok.p >= tok.end)
- return -1;
-
- r->fix.flags |= GPS_LOCATION_HAS_BEARING;
- r->fix.bearing = str2float(tok.p, tok.end);
- return 0;
-}
-
-
-static int
-nmea_reader_update_speed( NmeaReader* r,
- Token speed )
-{
- double alt;
- Token tok = speed;
-
- if (tok.p >= tok.end)
- return -1;
-
- r->fix.flags |= GPS_LOCATION_HAS_SPEED;
- r->fix.speed = str2float(tok.p, tok.end);
- return 0;
-}
-
-
-static void
-nmea_reader_parse( NmeaReader* r )
-{
- /* we received a complete sentence, now parse it to generate
- * a new GPS fix...
- */
- NmeaTokenizer tzer[1];
- Token tok;
-
- D("Received: '%.*s'", r->pos, r->in);
- if (r->pos < 9) {
- D("Too short. discarded.");
- return;
- }
-
- nmea_tokenizer_init(tzer, r->in, r->in + r->pos);
-#if GPS_DEBUG
- {
- int n;
- D("Found %d tokens", tzer->count);
- for (n = 0; n < tzer->count; n++) {
- Token tok = nmea_tokenizer_get(tzer,n);
- D("%2d: '%.*s'", n, tok.end-tok.p, tok.p);
- }
- }
-#endif
-
- tok = nmea_tokenizer_get(tzer, 0);
- if (tok.p + 5 > tok.end) {
- D("sentence id '%.*s' too short, ignored.", tok.end-tok.p, tok.p);
- return;
- }
-
- // ignore first two characters.
- tok.p += 2;
- if ( !memcmp(tok.p, "GGA", 3) ) {
- // GPS fix
- Token tok_time = nmea_tokenizer_get(tzer,1);
- Token tok_latitude = nmea_tokenizer_get(tzer,2);
- Token tok_latitudeHemi = nmea_tokenizer_get(tzer,3);
- Token tok_longitude = nmea_tokenizer_get(tzer,4);
- Token tok_longitudeHemi = nmea_tokenizer_get(tzer,5);
- Token tok_altitude = nmea_tokenizer_get(tzer,9);
- Token tok_altitudeUnits = nmea_tokenizer_get(tzer,10);
-
- nmea_reader_update_time(r, tok_time);
- nmea_reader_update_latlong(r, tok_latitude,
- tok_latitudeHemi.p[0],
- tok_longitude,
- tok_longitudeHemi.p[0]);
- nmea_reader_update_altitude(r, tok_altitude, tok_altitudeUnits);
-
- } else if ( !memcmp(tok.p, "GSA", 3) ) {
- // do something ?
- } else if ( !memcmp(tok.p, "RMC", 3) ) {
- Token tok_time = nmea_tokenizer_get(tzer,1);
- Token tok_fixStatus = nmea_tokenizer_get(tzer,2);
- Token tok_latitude = nmea_tokenizer_get(tzer,3);
- Token tok_latitudeHemi = nmea_tokenizer_get(tzer,4);
- Token tok_longitude = nmea_tokenizer_get(tzer,5);
- Token tok_longitudeHemi = nmea_tokenizer_get(tzer,6);
- Token tok_speed = nmea_tokenizer_get(tzer,7);
- Token tok_bearing = nmea_tokenizer_get(tzer,8);
- Token tok_date = nmea_tokenizer_get(tzer,9);
-
- D("in RMC, fixStatus=%c", tok_fixStatus.p[0]);
- if (tok_fixStatus.p[0] == 'A')
- {
- nmea_reader_update_date( r, tok_date, tok_time );
-
- nmea_reader_update_latlong( r, tok_latitude,
- tok_latitudeHemi.p[0],
- tok_longitude,
- tok_longitudeHemi.p[0] );
-
- nmea_reader_update_bearing( r, tok_bearing );
- nmea_reader_update_speed ( r, tok_speed );
- }
- } else {
- tok.p -= 2;
- D("unknown sentence '%.*s", tok.end-tok.p, tok.p);
- }
- if (r->fix.flags != 0) {
-#if GPS_DEBUG
- char temp[256];
- char* p = temp;
- char* end = p + sizeof(temp);
- struct tm utc;
-
- p += snprintf( p, end-p, "sending fix" );
- if (r->fix.flags & GPS_LOCATION_HAS_LAT_LONG) {
- p += snprintf(p, end-p, " lat=%g lon=%g", r->fix.latitude, r->fix.longitude);
- }
- if (r->fix.flags & GPS_LOCATION_HAS_ALTITUDE) {
- p += snprintf(p, end-p, " altitude=%g", r->fix.altitude);
- }
- if (r->fix.flags & GPS_LOCATION_HAS_SPEED) {
- p += snprintf(p, end-p, " speed=%g", r->fix.speed);
- }
- if (r->fix.flags & GPS_LOCATION_HAS_BEARING) {
- p += snprintf(p, end-p, " bearing=%g", r->fix.bearing);
- }
- if (r->fix.flags & GPS_LOCATION_HAS_ACCURACY) {
- p += snprintf(p,end-p, " accuracy=%g", r->fix.accuracy);
- }
- gmtime_r( (time_t*) &r->fix.timestamp, &utc );
- p += snprintf(p, end-p, " time=%s", asctime( &utc ) );
- D(temp);
-#endif
- if (r->callback) {
- r->callback( &r->fix );
- r->fix.flags = 0;
- }
- else {
- D("no callback, keeping data until needed !");
- }
- }
-}
-
-
-static void
-nmea_reader_addc( NmeaReader* r, int c )
-{
- if (r->overflow) {
- r->overflow = (c != '\n');
- return;
- }
-
- if (r->pos >= (int) sizeof(r->in)-1 ) {
- r->overflow = 1;
- r->pos = 0;
- return;
- }
-
- r->in[r->pos] = (char)c;
- r->pos += 1;
-
- if (c == '\n') {
- nmea_reader_parse( r );
- r->pos = 0;
- }
-}
-
-
-/*****************************************************************/
-/*****************************************************************/
-/***** *****/
-/***** C O N N E C T I O N S T A T E *****/
-/***** *****/
-/*****************************************************************/
-/*****************************************************************/
-
-/* commands sent to the gps thread */
-enum {
- CMD_QUIT = 0,
- CMD_START = 1,
- CMD_STOP = 2
-};
-
-
-/* this is the state of our connection to the qemu_gpsd daemon */
-typedef struct {
- int init;
- int fd;
- GpsCallbacks callbacks;
- pthread_t thread;
- int control[2];
- QemuChannel channel;
-} GpsState;
-
-static GpsState _gps_state[1];
-
-
-static void
-gps_state_done( GpsState* s )
-{
- // tell the thread to quit, and wait for it
- char cmd = CMD_QUIT;
- void* dummy;
- write( s->control[0], &cmd, 1 );
- pthread_join(s->thread, &dummy);
-
- // close the control socket pair
- close( s->control[0] ); s->control[0] = -1;
- close( s->control[1] ); s->control[1] = -1;
-
- // close connection to the QEMU GPS daemon
- close( s->fd ); s->fd = -1;
- s->init = 0;
-}
-
-
-static void
-gps_state_start( GpsState* s )
-{
- char cmd = CMD_START;
- int ret;
-
- do { ret=write( s->control[0], &cmd, 1 ); }
- while (ret < 0 && errno == EINTR);
-
- if (ret != 1)
- D("%s: could not send CMD_START command: ret=%d: %s",
- __FUNCTION__, ret, strerror(errno));
-}
-
-
-static void
-gps_state_stop( GpsState* s )
-{
- char cmd = CMD_STOP;
- int ret;
-
- do { ret=write( s->control[0], &cmd, 1 ); }
- while (ret < 0 && errno == EINTR);
-
- if (ret != 1)
- D("%s: could not send CMD_STOP command: ret=%d: %s",
- __FUNCTION__, ret, strerror(errno));
-}
-
-
-static int
-epoll_register( int epoll_fd, int fd )
-{
- struct epoll_event ev;
- int ret, flags;
-
- /* important: make the fd non-blocking */
- flags = fcntl(fd, F_GETFL);
- fcntl(fd, F_SETFL, flags | O_NONBLOCK);
-
- ev.events = EPOLLIN;
- ev.data.fd = fd;
- do {
- ret = epoll_ctl( epoll_fd, EPOLL_CTL_ADD, fd, &ev );
- } while (ret < 0 && errno == EINTR);
- return ret;
-}
-
-
-static int
-epoll_deregister( int epoll_fd, int fd )
-{
- int ret;
- do {
- ret = epoll_ctl( epoll_fd, EPOLL_CTL_DEL, fd, NULL );
- } while (ret < 0 && errno == EINTR);
- return ret;
-}
-
-/* this is the main thread, it waits for commands from gps_state_start/stop and,
- * when started, messages from the QEMU GPS daemon. these are simple NMEA sentences
- * that must be parsed to be converted into GPS fixes sent to the framework
- */
-static void*
-gps_state_thread( void* arg )
-{
- GpsState* state = (GpsState*) arg;
- NmeaReader reader[1];
- int epoll_fd = epoll_create(2);
- int started = 0;
- int gps_fd = state->fd;
- int control_fd = state->control[1];
-
- nmea_reader_init( reader );
-
- // register control file descriptors for polling
- epoll_register( epoll_fd, control_fd );
- epoll_register( epoll_fd, gps_fd );
-
- D("gps thread running");
-
- // now loop
- for (;;) {
- struct epoll_event events[2];
- int ne, nevents;
-
- nevents = epoll_wait( epoll_fd, events, 2, -1 );
- if (nevents < 0) {
- if (errno != EINTR)
- LOGE("epoll_wait() unexpected error: %s", strerror(errno));
- continue;
- }
- D("gps thread received %d events", nevents);
- for (ne = 0; ne < nevents; ne++) {
- if ((events[ne].events & (EPOLLERR|EPOLLHUP)) != 0) {
- LOGE("EPOLLERR or EPOLLHUP after epoll_wait() !?");
- goto Exit;
- }
- if ((events[ne].events & EPOLLIN) != 0) {
- int fd = events[ne].data.fd;
-
- if (fd == control_fd)
- {
- char cmd = 255;
- int ret;
- D("gps control fd event");
- do {
- ret = read( fd, &cmd, 1 );
- } while (ret < 0 && errno == EINTR);
-
- if (cmd == CMD_QUIT) {
- D("gps thread quitting on demand");
- goto Exit;
- }
- else if (cmd == CMD_START) {
- if (!started) {
- D("gps thread starting location_cb=%p", state->callbacks.location_cb);
- started = 1;
- nmea_reader_set_callback( reader, state->callbacks.location_cb );
- }
- }
- else if (cmd == CMD_STOP) {
- if (started) {
- D("gps thread stopping");
- started = 0;
- nmea_reader_set_callback( reader, NULL );
- }
- }
- }
- else if (fd == gps_fd)
- {
- char buff[32];
- D("gps fd event");
- for (;;) {
- int nn, ret;
-
- ret = read( fd, buff, sizeof(buff) );
- if (ret < 0) {
- if (errno == EINTR)
- continue;
- if (errno != EWOULDBLOCK)
- LOGE("error while reading from gps daemon socket: %s:", strerror(errno));
- break;
- }
- D("received %d bytes: %.*s", ret, ret, buff);
- for (nn = 0; nn < ret; nn++)
- nmea_reader_addc( reader, buff[nn] );
- }
- D("gps fd event end");
- }
- else
- {
- LOGE("epoll_wait() returned unkown fd %d ?", fd);
- }
- }
- }
- }
-Exit:
- return NULL;
-}
-
-
-static void
-gps_state_init( GpsState* state )
-{
- state->init = 1;
- state->control[0] = -1;
- state->control[1] = -1;
- state->fd = -1;
-
- state->fd = qemu_channel_open( &state->channel,
- QEMU_CHANNEL_NAME,
- O_RDONLY );
-
- if (state->fd < 0) {
- D("no gps emulation detected");
- return;
- }
-
- D("gps emulation will read from '%s' qemud channel", QEMU_CHANNEL_NAME );
-
- if ( socketpair( AF_LOCAL, SOCK_STREAM, 0, state->control ) < 0 ) {
- LOGE("could not create thread control socket pair: %s", strerror(errno));
- goto Fail;
- }
-
- if ( pthread_create( &state->thread, NULL, gps_state_thread, state ) != 0 ) {
- LOGE("could not create gps thread: %s", strerror(errno));
- goto Fail;
- }
-
- D("gps state initialized");
- return;
-
-Fail:
- gps_state_done( state );
-}
-
-
-/*****************************************************************/
-/*****************************************************************/
-/***** *****/
-/***** I N T E R F A C E *****/
-/***** *****/
-/*****************************************************************/
-/*****************************************************************/
-
-
-static int
-qemu_gps_init(GpsCallbacks* callbacks)
-{
- GpsState* s = _gps_state;
-
- if (!s->init)
- gps_state_init(s);
-
- if (s->fd < 0)
- return -1;
-
- s->callbacks = *callbacks;
-
- return 0;
-}
-
-static void
-qemu_gps_cleanup(void)
-{
- GpsState* s = _gps_state;
-
- if (s->init)
- gps_state_done(s);
-}
-
-
-static int
-qemu_gps_start()
-{
- GpsState* s = _gps_state;
-
- if (!s->init) {
- D("%s: called with uninitialized state !!", __FUNCTION__);
- return -1;
- }
-
- D("%s: called", __FUNCTION__);
- gps_state_start(s);
- return 0;
-}
-
-
-static int
-qemu_gps_stop()
-{
- GpsState* s = _gps_state;
-
- if (!s->init) {
- D("%s: called with uninitialized state !!", __FUNCTION__);
- return -1;
- }
-
- D("%s: called", __FUNCTION__);
- gps_state_stop(s);
- return 0;
-}
-
-
-static int
-qemu_gps_inject_time(GpsUtcTime time, int64_t timeReference, int uncertainty)
-{
- return 0;
-}
-
-static int
-qemu_gps_inject_location(double latitude, double longitude, float accuracy)
-{
- return 0;
-}
-
-static void
-qemu_gps_delete_aiding_data(GpsAidingData flags)
-{
-}
-
-static int qemu_gps_set_position_mode(GpsPositionMode mode, int fix_frequency)
-{
- // FIXME - support fix_frequency
- return 0;
-}
-
-static const void*
-qemu_gps_get_extension(const char* name)
-{
- return NULL;
-}
-
-static const GpsInterface qemuGpsInterface = {
- qemu_gps_init,
- qemu_gps_start,
- qemu_gps_stop,
- qemu_gps_cleanup,
- qemu_gps_inject_time,
- qemu_gps_inject_location,
- qemu_gps_delete_aiding_data,
- qemu_gps_set_position_mode,
- qemu_gps_get_extension,
-};
-
-const GpsInterface* gps_get_qemu_interface()
-{
- return &qemuGpsInterface;
-}
-
+++ /dev/null
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef _HARDWARE_GPS_H
-#define _HARDWARE_GPS_H
-
-#include <stdint.h>
-#include <stdlib.h>
-
-#if __cplusplus
-extern "C" {
-#endif
-
-/** Milliseconds since January 1, 1970 */
-typedef int64_t GpsUtcTime;
-
-/** Maximum number of SVs for gps_sv_status_callback(). */
-#define GPS_MAX_SVS 32
-
-/** Requested mode for GPS operation. */
-typedef uint16_t GpsPositionMode;
-// IMPORTANT: Note that the following values must match
-// constants in GpsLocationProvider.java.
-/** Mode for running GPS standalone (no assistance). */
-#define GPS_POSITION_MODE_STANDALONE 0
-/** AGPS MS-Based mode. */
-#define GPS_POSITION_MODE_MS_BASED 1
-/** AGPS MS-Assisted mode. */
-#define GPS_POSITION_MODE_MS_ASSISTED 2
-
-/** GPS status event values. */
-typedef uint16_t GpsStatusValue;
-// IMPORTANT: Note that the following values must match
-// constants in GpsLocationProvider.java.
-/** GPS status unknown. */
-#define GPS_STATUS_NONE 0
-/** GPS has begun navigating. */
-#define GPS_STATUS_SESSION_BEGIN 1
-/** GPS has stopped navigating. */
-#define GPS_STATUS_SESSION_END 2
-/** GPS has powered on but is not navigating. */
-#define GPS_STATUS_ENGINE_ON 3
-/** GPS is powered off. */
-#define GPS_STATUS_ENGINE_OFF 4
-
-/** Flags to indicate which values are valid in a GpsLocation. */
-typedef uint16_t GpsLocationFlags;
-// IMPORTANT: Note that the following values must match
-// constants in GpsLocationProvider.java.
-/** GpsLocation has valid latitude and longitude. */
-#define GPS_LOCATION_HAS_LAT_LONG 0x0001
-/** GpsLocation has valid altitude. */
-#define GPS_LOCATION_HAS_ALTITUDE 0x0002
-/** GpsLocation has valid speed. */
-#define GPS_LOCATION_HAS_SPEED 0x0004
-/** GpsLocation has valid bearing. */
-#define GPS_LOCATION_HAS_BEARING 0x0008
-/** GpsLocation has valid accuracy. */
-#define GPS_LOCATION_HAS_ACCURACY 0x0010
-
-/** Flags used to specify which aiding data to delete
- when calling delete_aiding_data(). */
-typedef uint16_t GpsAidingData;
-// IMPORTANT: Note that the following values must match
-// constants in GpsLocationProvider.java.
-#define GPS_DELETE_EPHEMERIS 0x0001
-#define GPS_DELETE_ALMANAC 0x0002
-#define GPS_DELETE_POSITION 0x0004
-#define GPS_DELETE_TIME 0x0008
-#define GPS_DELETE_IONO 0x0010
-#define GPS_DELETE_UTC 0x0020
-#define GPS_DELETE_HEALTH 0x0040
-#define GPS_DELETE_SVDIR 0x0080
-#define GPS_DELETE_SVSTEER 0x0100
-#define GPS_DELETE_SADATA 0x0200
-#define GPS_DELETE_RTI 0x0400
-#define GPS_DELETE_CELLDB_INFO 0x8000
-#define GPS_DELETE_ALL 0xFFFF
-
-/** AGPS type */
-typedef uint16_t AGpsType;
-#define AGPS_TYPE_SUPL 1
-#define AGPS_TYPE_C2K 2
-
-
-/** AGPS status event values. */
-typedef uint16_t AGpsStatusValue;
-/** GPS requests data connection for AGPS. */
-#define GPS_REQUEST_AGPS_DATA_CONN 1
-/** GPS releases the AGPS data connection. */
-#define GPS_RELEASE_AGPS_DATA_CONN 2
-/** AGPS data connection initiated */
-#define GPS_AGPS_DATA_CONNECTED 3
-/** AGPS data connection completed */
-#define GPS_AGPS_DATA_CONN_DONE 4
-/** AGPS data connection failed */
-#define GPS_AGPS_DATA_CONN_FAILED 5
-
-/**
- * Name for the GPS XTRA interface.
- */
-#define GPS_XTRA_INTERFACE "gps-xtra"
-
-/**
- * Name for the GPS DEBUG interface.
- */
-#define GPS_DEBUG_INTERFACE "gps-debug"
-
-/**
- * Name for the AGPS interface.
- */
-#define AGPS_INTERFACE "agps"
-
-/** Represents a location. */
-typedef struct {
- /** Contains GpsLocationFlags bits. */
- uint16_t flags;
- /** Represents latitude in degrees. */
- double latitude;
- /** Represents longitude in degrees. */
- double longitude;
- /** Represents altitude in meters above the WGS 84 reference
- * ellipsoid. */
- double altitude;
- /** Represents speed in meters per second. */
- float speed;
- /** Represents heading in degrees. */
- float bearing;
- /** Represents expected accuracy in meters. */
- float accuracy;
- /** Timestamp for the location fix. */
- GpsUtcTime timestamp;
-} GpsLocation;
-
-/** Represents the status. */
-typedef struct {
- GpsStatusValue status;
-} GpsStatus;
-
-/** Represents SV information. */
-typedef struct {
- /** Pseudo-random number for the SV. */
- int prn;
- /** Signal to noise ratio. */
- float snr;
- /** Elevation of SV in degrees. */
- float elevation;
- /** Azimuth of SV in degrees. */
- float azimuth;
-} GpsSvInfo;
-
-/** Represents SV status. */
-typedef struct {
- /** Number of SVs currently visible. */
- int num_svs;
-
- /** Contains an array of SV information. */
- GpsSvInfo sv_list[GPS_MAX_SVS];
-
- /** Represents a bit mask indicating which SVs
- * have ephemeris data.
- */
- uint32_t ephemeris_mask;
-
- /** Represents a bit mask indicating which SVs
- * have almanac data.
- */
- uint32_t almanac_mask;
-
- /**
- * Represents a bit mask indicating which SVs
- * were used for computing the most recent position fix.
- */
- uint32_t used_in_fix_mask;
-} GpsSvStatus;
-
-/** Callback with location information. */
-typedef void (* gps_location_callback)(GpsLocation* location);
-
-/** Callback with status information. */
-typedef void (* gps_status_callback)(GpsStatus* status);
-
-/** Callback with SV status information. */
-typedef void (* gps_sv_status_callback)(GpsSvStatus* sv_info);
-
-/** Callback for reporting NMEA sentences. */
-typedef void (* gps_nmea_callback)(GpsUtcTime timestamp, const char* nmea, int length);
-
-/** GPS callback structure. */
-typedef struct {
- gps_location_callback location_cb;
- gps_status_callback status_cb;
- gps_sv_status_callback sv_status_cb;
- gps_nmea_callback nmea_cb;
-} GpsCallbacks;
-
-
-/** Represents the standard GPS interface. */
-typedef struct {
- /**
- * Opens the interface and provides the callback routines
- * to the implemenation of this interface.
- */
- int (*init)( GpsCallbacks* callbacks );
-
- /** Starts navigating. */
- int (*start)( void );
-
- /** Stops navigating. */
- int (*stop)( void );
-
- /** Closes the interface. */
- void (*cleanup)( void );
-
- /** Injects the current time. */
- int (*inject_time)(GpsUtcTime time, int64_t timeReference,
- int uncertainty);
-
- /** Injects current location from another location provider
- * (typically cell ID).
- * latitude and longitude are measured in degrees
- * expected accuracy is measured in meters
- */
- int (*inject_location)(double latitude, double longitude, float accuracy);
-
- /**
- * Specifies that the next call to start will not use the
- * information defined in the flags. GPS_DELETE_ALL is passed for
- * a cold start.
- */
- void (*delete_aiding_data)(GpsAidingData flags);
-
- /**
- * fix_frequency represents the time between fixes in seconds.
- * Set fix_frequency to zero for a single-shot fix.
- */
- int (*set_position_mode)(GpsPositionMode mode, int fix_frequency);
-
- /** Get a pointer to extension information. */
- const void* (*get_extension)(const char* name);
-} GpsInterface;
-
-/** Callback to request the client to download XTRA data.
- The client should download XTRA data and inject it by calling
- inject_xtra_data(). */
-typedef void (* gps_xtra_download_request)();
-
-/** Callback structure for the XTRA interface. */
-typedef struct {
- gps_xtra_download_request download_request_cb;
-} GpsXtraCallbacks;
-
-/** Extended interface for XTRA support. */
-typedef struct {
- /**
- * Opens the XTRA interface and provides the callback routines
- * to the implemenation of this interface.
- */
- int (*init)( GpsXtraCallbacks* callbacks );
- /** Injects XTRA data into the GPS. */
- int (*inject_xtra_data)( char* data, int length );
-} GpsXtraInterface;
-
-/** Extended interface for DEBUG support. */
-typedef struct {
- /**
- * This function should return any information that the native
- * implementation wishes to include in a bugreport.
- */
- size_t (*get_internal_state)(char* buffer, size_t bufferSize);
-} GpsDebugInterface;
-
-/** Represents the status of AGPS. */
-typedef struct {
- AGpsType type;
- AGpsStatusValue status;
-} AGpsStatus;
-
-/** Callback with AGPS status information. */
-typedef void (* agps_status_callback)(AGpsStatus* status);
-
-/** Callback structure for the AGPS interface. */
-typedef struct {
- agps_status_callback status_cb;
-} AGpsCallbacks;
-
-
-/** Extended interface for AGPS support. */
-typedef struct {
- /**
- * Opens the AGPS interface and provides the callback routines
- * to the implemenation of this interface.
- */
- void (*init)( AGpsCallbacks* callbacks );
- /**
- * Notifies that a data connection is available and sets
- * the name of the APN to be used for SUPL.
- */
- int (*data_conn_open)( const char* apn );
- /**
- * Notifies that the AGPS data connection has been closed.
- */
- int (*data_conn_closed)();
- /**
- * Notifies that a data connection is not available for AGPS.
- */
- int (*data_conn_failed)();
- /**
- * Sets the hostname and port for the AGPS server.
- */
- int (*set_server)( AGpsType type, const char* hostname, int port );
-} AGpsInterface;
-
-/** Returns the hardware GPS interface. */
-const GpsInterface* gps_get_hardware_interface();
-
-/**
- * Returns the qemu emulated GPS interface.
- */
-const GpsInterface* gps_get_qemu_interface();
-
-/**
- * Returns the default GPS interface.
- */
-const GpsInterface* gps_get_interface();
-
-#if __cplusplus
-} // extern "C"
-#endif
-
-#endif // _HARDWARE_GPS_H
+++ /dev/null
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef _HARDWARE_GPS_NI_H
-#define _HARDWARE_GPS_NI_H
-
-#include <stdint.h>
-
-#if __cplusplus
-extern "C" {
-#endif
-
-/**
- * Name for NI interface
- */
-#define GPS_NI_INTERFACE "gps-ni"
-
-/**
- * String length constants
- */
-#define GPS_NI_SHORT_STRING_MAXLEN 256
-#define GPS_NI_LONG_STRING_MAXLEN 2048
-
-/**
- * GpsNiType constants
- */
-typedef uint32_t GpsNiType;
-#define GPS_NI_TYPE_VOICE 1
-#define GPS_NI_TYPE_UMTS_SUPL 2
-#define GPS_NI_TYPE_UMTS_CTRL_PLANE 3
-
-/**
- * GpsNiNotifyFlags constants
- */
-typedef uint32_t GpsNiNotifyFlags;
-/** NI requires notification */
-#define GPS_NI_NEED_NOTIFY 0x0001
-/** NI requires verification */
-#define GPS_NI_NEED_VERIFY 0x0002
-/** NI requires privacy override, no notification/minimal trace */
-#define GPS_NI_PRIVACY_OVERRIDE 0x0004
-
-/**
- * GPS NI responses, used to define the response in
- * NI structures
- */
-typedef int GpsUserResponseType;
-#define GPS_NI_RESPONSE_ACCEPT 1
-#define GPS_NI_RESPONSE_DENY 2
-#define GPS_NI_RESPONSE_NORESP 3
-
-/**
- * NI data encoding scheme
- */
-typedef int GpsNiEncodingType;
-#define GPS_ENC_NONE 0
-#define GPS_ENC_SUPL_GSM_DEFAULT 1
-#define GPS_ENC_SUPL_UTF8 2
-#define GPS_ENC_SUPL_UCS2 3
-#define GPS_ENC_UNKNOWN -1
-
-/** Represents an NI request */
-typedef struct {
- /**
- * An ID generated by HAL to associate NI notifications and UI
- * responses
- */
- int notification_id;
-
- /**
- * An NI type used to distinguish different categories of NI
- * events, such as GPS_NI_TYPE_VOICE, GPS_NI_TYPE_UMTS_SUPL, ...
- */
- GpsNiType ni_type;
-
- /**
- * Notification/verification options, combinations of GpsNiNotifyFlags constants
- */
- GpsNiNotifyFlags notify_flags;
-
- /**
- * Timeout period to wait for user response.
- * Set to 0 for no time out limit.
- */
- int timeout;
-
- /**
- * Default response when time out.
- */
- GpsUserResponseType default_response;
-
- /**
- * Requestor ID
- */
- char requestor_id[GPS_NI_SHORT_STRING_MAXLEN];
-
- /**
- * Notification message. It can also be used to store client_id in some cases
- */
- char text[GPS_NI_LONG_STRING_MAXLEN];
-
- /**
- * Client name decoding scheme
- */
- GpsNiEncodingType requestor_id_encoding;
-
- /**
- * Client name decoding scheme
- */
- GpsNiEncodingType text_encoding;
-
- /**
- * A pointer to extra data. Format:
- * key_1 = value_1
- * key_2 = value_2
- */
- char extras[GPS_NI_LONG_STRING_MAXLEN];
-
-} GpsNiNotification;
-
-/** Callback with NI notification. */
-typedef void (*gps_ni_notify_callback)(GpsNiNotification *notification);
-
-/** GPS NI callback structure. */
-typedef struct
-{
- /**
- * Sends the notification request from HAL to GPSLocationProvider.
- */
- gps_ni_notify_callback notify_cb;
-} GpsNiCallbacks;
-
-/**
- * Extended interface for Network-initiated (NI) support.
- */
-typedef struct
-{
- /** Registers the callbacks for HAL to use. */
- void (*init) (GpsNiCallbacks *callbacks);
-
- /** Sends a response to HAL. */
- void (*respond) (int notif_id, GpsUserResponseType user_response);
-} GpsNiInterface;
-
-#if __cplusplus
-} // extern "C"
-#endif
-
-#endif // _HARDWARE_GPS_NI_H
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