| /* |
| * |
| * oFono - Open Source Telephony |
| * |
| * Copyright (C) 2008-2011 Intel Corporation. All rights reserved. |
| * Copyright (C) 2010 ProFUSION embedded systems. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <unistd.h> |
| |
| #include <glib.h> |
| |
| #include <ofono/log.h> |
| #include <ofono/modem.h> |
| #include <ofono/location-reporting.h> |
| |
| #include "gatchat.h" |
| #include "gatresult.h" |
| #include "gattty.h" |
| |
| #include "mbmmodem.h" |
| |
| static const char *none_prefix[] = { NULL }; |
| static const char *e2gpsctl_prefix[] = { "*E2GPSCTL:", NULL }; |
| |
| struct gps_data { |
| GAtChat *chat; |
| GAtChat *data_chat; |
| }; |
| |
| static void mbm_e2gpsctl_disable_cb(gboolean ok, GAtResult *result, |
| gpointer user_data) |
| { |
| struct cb_data *cbd = user_data; |
| struct ofono_location_reporting *lr = cbd->user; |
| ofono_location_reporting_disable_cb_t cb = cbd->cb; |
| struct gps_data *gd = ofono_location_reporting_get_data(lr); |
| |
| DBG("lr=%p, ok=%d", lr, ok); |
| |
| if (!ok) { |
| struct ofono_error error; |
| |
| decode_at_error(&error, g_at_result_final_response(result)); |
| cb(&error, cbd->data); |
| |
| return; |
| } |
| |
| g_at_chat_unref(gd->data_chat); |
| |
| CALLBACK_WITH_SUCCESS(cb, cbd->data); |
| } |
| |
| static void mbm_location_reporting_disable(struct ofono_location_reporting *lr, |
| ofono_location_reporting_disable_cb_t cb, |
| void *data) |
| { |
| struct gps_data *gd = ofono_location_reporting_get_data(lr); |
| struct cb_data *cbd = cb_data_new(cb, data); |
| |
| DBG("lr=%p", lr); |
| |
| cbd->user = lr; |
| |
| if (g_at_chat_send(gd->chat, "AT*E2GPSCTL=0,5,1", none_prefix, |
| mbm_e2gpsctl_disable_cb, cbd, g_free) > 0) |
| return; |
| |
| CALLBACK_WITH_FAILURE(cb, data); |
| g_free(cbd); |
| } |
| |
| static int enable_data_stream(struct ofono_location_reporting *lr) |
| { |
| struct ofono_modem *modem; |
| const char *gps_dev; |
| GHashTable *options; |
| GIOChannel *channel; |
| GIOStatus status; |
| gsize written; |
| int fd; |
| |
| modem = ofono_location_reporting_get_modem(lr); |
| gps_dev = ofono_modem_get_string(modem, "GPSDevice"); |
| |
| options = g_hash_table_new(g_str_hash, g_str_equal); |
| if (options == NULL) |
| return -1; |
| |
| g_hash_table_insert(options, "Baud", "115200"); |
| |
| channel = g_at_tty_open(gps_dev, options); |
| |
| g_hash_table_destroy(options); |
| |
| if (channel == NULL) |
| return -1; |
| |
| fd = g_io_channel_unix_get_fd(channel); |
| status = g_io_channel_write_chars(channel, "AT*E2GPSNPD\r\n", -1, |
| &written, NULL); |
| |
| g_io_channel_set_close_on_unref(channel, FALSE); |
| g_io_channel_unref(channel); |
| |
| if (status != G_IO_STATUS_NORMAL || written != 13) { |
| close(fd); |
| |
| return -1; |
| } |
| |
| return fd; |
| } |
| |
| static void mbm_e2gpsctl_enable_cb(gboolean ok, GAtResult *result, |
| gpointer user_data) |
| { |
| struct cb_data *cbd = user_data; |
| ofono_location_reporting_enable_cb_t cb = cbd->cb; |
| struct ofono_location_reporting *lr = cbd->user; |
| struct ofono_error error; |
| int fd; |
| |
| DBG("lr=%p ok=%d", lr, ok); |
| |
| decode_at_error(&error, g_at_result_final_response(result)); |
| |
| if (!ok) { |
| cb(&error, -1, cbd->data); |
| |
| return; |
| } |
| |
| fd = enable_data_stream(lr); |
| |
| if (fd < 0) { |
| CALLBACK_WITH_FAILURE(cb, -1, cbd->data); |
| |
| return; |
| } |
| |
| cb(&error, fd, cbd->data); |
| close(fd); |
| } |
| |
| static void mbm_location_reporting_enable(struct ofono_location_reporting *lr, |
| ofono_location_reporting_enable_cb_t cb, |
| void *data) |
| { |
| struct gps_data *gd = ofono_location_reporting_get_data(lr); |
| struct cb_data *cbd = cb_data_new(cb, data); |
| |
| DBG("lr=%p", lr); |
| |
| cbd->user = lr; |
| |
| if (g_at_chat_send(gd->chat, "AT*E2GPSCTL=1,5,1", none_prefix, |
| mbm_e2gpsctl_enable_cb, cbd, g_free) > 0) |
| return; |
| |
| CALLBACK_WITH_FAILURE(cb, -1, data); |
| g_free(cbd); |
| } |
| |
| static void mbm_location_reporting_support_cb(gboolean ok, GAtResult *result, |
| gpointer user_data) |
| { |
| struct ofono_location_reporting *lr = user_data; |
| |
| if (!ok) { |
| ofono_location_reporting_remove(lr); |
| |
| return; |
| } |
| |
| ofono_location_reporting_register(lr); |
| } |
| |
| static int mbm_location_reporting_probe(struct ofono_location_reporting *lr, |
| unsigned int vendor, void *data) |
| { |
| GAtChat *chat = data; |
| struct gps_data *gd; |
| |
| gd = g_try_new0(struct gps_data, 1); |
| if (gd == NULL) |
| return -ENOMEM; |
| |
| gd->chat = g_at_chat_clone(chat); |
| |
| ofono_location_reporting_set_data(lr, gd); |
| |
| g_at_chat_send(gd->chat, "AT*E2GPSCTL=?", e2gpsctl_prefix, |
| mbm_location_reporting_support_cb, |
| lr, NULL); |
| |
| return 0; |
| } |
| |
| static void mbm_location_reporting_remove(struct ofono_location_reporting *lr) |
| { |
| struct gps_data *gd = ofono_location_reporting_get_data(lr); |
| |
| ofono_location_reporting_set_data(lr, NULL); |
| |
| g_at_chat_unref(gd->chat); |
| g_free(gd); |
| } |
| |
| static const struct ofono_location_reporting_driver driver = { |
| .name = "mbmmodem", |
| .type = OFONO_LOCATION_REPORTING_TYPE_NMEA, |
| .probe = mbm_location_reporting_probe, |
| .remove = mbm_location_reporting_remove, |
| .enable = mbm_location_reporting_enable, |
| .disable = mbm_location_reporting_disable, |
| }; |
| |
| void mbm_location_reporting_init() |
| { |
| ofono_location_reporting_driver_register(&driver); |
| } |
| |
| void mbm_location_reporting_exit() |
| { |
| ofono_location_reporting_driver_unregister(&driver); |
| } |