From 20f7f90221646872f9f50b6c2a0557eb0208e11f Mon Sep 17 00:00:00 2001 From: Rafael Ignacio Zurita Date: Tue, 22 Feb 2011 15:35:12 -0300 Subject: mbmmodem: add location-reporting driver --- drivers/mbmmodem/location-reporting.c | 247 ++++++++++++++++++++++++++++++++++ drivers/mbmmodem/mbmmodem.c | 2 + drivers/mbmmodem/mbmmodem.h | 3 + 3 files changed, 252 insertions(+) create mode 100644 drivers/mbmmodem/location-reporting.c (limited to 'drivers') diff --git a/drivers/mbmmodem/location-reporting.c b/drivers/mbmmodem/location-reporting.c new file mode 100644 index 00000000..941fac40 --- /dev/null +++ b/drivers/mbmmodem/location-reporting.c @@ -0,0 +1,247 @@ +/* + * + * oFono - Open Source Telephony + * + * Copyright (C) 2008-2010 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 +#endif + +#define _GNU_SOURCE +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + +#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 mbm_create_data_chat(struct ofono_location_reporting *lr) +{ + struct gps_data *gd = ofono_location_reporting_get_data(lr); + struct ofono_modem *modem; + const char *gps_dev; + GAtSyntax *syntax; + GIOChannel *channel; + int fd; + + modem = ofono_location_reporting_get_modem(lr); + gps_dev = ofono_modem_get_string(modem, "GPSDevice"); + + channel = g_at_tty_open(gps_dev, NULL); + if (channel == NULL) + return -1; + + syntax = g_at_syntax_new_gsm_permissive(); + gd->data_chat = g_at_chat_new(channel, syntax); + fd = g_io_channel_unix_get_fd(channel); + + g_at_syntax_unref(syntax); + g_io_channel_unref(channel); + + if (gd->data_chat == NULL) + 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 gps_data *gd = ofono_location_reporting_get_data(lr); + 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 = mbm_create_data_chat(lr); + + if (fd < 0) + goto out; + + if (g_at_chat_send(gd->data_chat, "AT*E2GPSNPD", NULL, NULL, NULL, + NULL) > 0) { + cb(&error, fd, cbd->data); + + return; + } + +out: + CALLBACK_WITH_FAILURE(cb, -1, cbd->data); +} + +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); + + if (cbd == NULL) + goto out; + + 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; + +out: + 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 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); +} diff --git a/drivers/mbmmodem/mbmmodem.c b/drivers/mbmmodem/mbmmodem.c index 03b61b33..9938350f 100644 --- a/drivers/mbmmodem/mbmmodem.c +++ b/drivers/mbmmodem/mbmmodem.c @@ -36,12 +36,14 @@ static int mbmmodem_init(void) { mbm_gprs_context_init(); mbm_stk_init(); + mbm_location_reporting_init(); return 0; } static void mbmmodem_exit(void) { + mbm_location_reporting_exit(); mbm_stk_exit(); mbm_gprs_context_exit(); } diff --git a/drivers/mbmmodem/mbmmodem.h b/drivers/mbmmodem/mbmmodem.h index 4c6f2633..aaa911dd 100644 --- a/drivers/mbmmodem/mbmmodem.h +++ b/drivers/mbmmodem/mbmmodem.h @@ -26,3 +26,6 @@ extern void mbm_gprs_context_exit(void); extern void mbm_stk_init(void); extern void mbm_stk_exit(void); + +extern void mbm_location_reporting_init(); +extern void mbm_location_reporting_exit(); -- cgit v1.2.3