blob: 80c96f31e417f2e10ace77eab23773d5cf01a2ec [file] [log] [blame]
/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
* Copyright (C) 2011 ST-Ericsson AB.
*
* 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 <glib.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/gnss.h>
#include "gatchat.h"
#include "gatresult.h"
#include "atmodem.h"
#include "vendor.h"
struct gnss_data {
GAtChat *chat;
unsigned int vendor;
};
static const char *none_prefix[] = { NULL };
static const char *cpos_prefix[] = { "+CPOS:", NULL };
static const char *cposr_prefix[] = { "+CPOSR:", NULL };
static void gnss_pr_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_gnss_cb_t cb = cbd->cb;
struct ofono_error error;
DBG("");
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void at_gnss_position_reporting(struct ofono_gnss *gnss,
ofono_bool_t enable,
ofono_gnss_cb_t cb,
void *data)
{
struct gnss_data *ad = ofono_gnss_get_data(gnss);
struct cb_data *cbd = cb_data_new(cb, data);
DBG("");
if (enable) {
g_at_chat_send(ad->chat, "AT+CPOSR=1",
cposr_prefix, gnss_pr_cb, cbd, g_free);
if (ad->vendor == OFONO_VENDOR_STE)
g_at_chat_send(ad->chat, "AT*EPOSADRR=1",
NULL, NULL, NULL, NULL);
} else {
g_at_chat_send(ad->chat, "AT+CPOSR=0",
cposr_prefix, gnss_pr_cb, cbd, g_free);
if (ad->vendor == OFONO_VENDOR_STE)
g_at_chat_send(ad->chat, "AT*EPOSADRR=0",
NULL, NULL, NULL, NULL);
}
}
static void gnss_se_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_gnss_cb_t cb = cbd->cb;
struct ofono_error error;
DBG("");
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void at_gnss_send_element(struct ofono_gnss *gnss,
const char *xml,
ofono_gnss_cb_t cb, void *data)
{
struct gnss_data *ad = ofono_gnss_get_data(gnss);
struct cb_data *cbd = cb_data_new(cb, data);
char *buf = g_try_new(char, strlen(xml) + 10);
int len;
DBG("");
if (buf == NULL)
goto error;
len = sprintf(buf, "AT+CPOS\r");
len += sprintf(buf + len, "%s", xml);
if (g_at_chat_send_and_expect_short_prompt(ad->chat, buf, cpos_prefix,
gnss_se_cb, cbd,
g_free) > 0) {
g_free(buf);
return;
}
error:
g_free(buf);
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, data);
}
static gboolean gnss_parse_report(GAtResult *result, const char *prefix,
const char **xml)
{
GAtResultIter iter;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, prefix))
return FALSE;
if (!g_at_result_iter_next_unquoted_string(&iter, xml))
return FALSE;
return TRUE;
}
static void gnss_report(GAtResult *result, gpointer user_data)
{
const char *xml;
DBG("");
xml = NULL;
if (!gnss_parse_report(result, "+CPOSR:", &xml)) {
ofono_error("Unable to parse CPOSR notification");
return;
}
if (xml == NULL) {
ofono_error("Unable to parse CPOSR notification");
return;
}
DBG("%s", xml);
}
static void at_gnss_reset_notify(GAtResult *result, gpointer user_data)
{
struct ofono_gnss *gnss = user_data;
DBG("");
ofono_gnss_notify_posr_reset(gnss);
}
static void at_gnss_not_supported(struct ofono_gnss *gnss)
{
ofono_error("gnss not supported by this modem.");
ofono_gnss_remove(gnss);
}
static void at_gnss_cposr_support_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_gnss *gnss = user_data;
struct gnss_data *ad = ofono_gnss_get_data(gnss);
DBG("");
if (!ok) {
at_gnss_not_supported(gnss);
return;
}
g_at_chat_register(ad->chat, "+CPOSR:", gnss_report,
FALSE, gnss, NULL);
if (ad->vendor == OFONO_VENDOR_STE)
g_at_chat_register(ad->chat, "*EPOSADRR:", at_gnss_reset_notify,
FALSE, gnss, NULL);
ofono_gnss_register(gnss);
}
static void at_gnss_cpos_support_cb(gboolean ok, GAtResult *result,
gpointer user_data)
{
struct ofono_gnss *gnss = user_data;
struct gnss_data *ad = ofono_gnss_get_data(gnss);
DBG("");
if (!ok) {
at_gnss_not_supported(gnss);
return;
}
g_at_chat_send(ad->chat, "AT+CPOSR=?",
none_prefix, at_gnss_cposr_support_cb, gnss, NULL);
}
static int at_gnss_probe(struct ofono_gnss *gnss, unsigned int vendor,
void *user)
{
GAtChat *chat = user;
struct gnss_data *gd;
DBG("");
gd = g_try_new0(struct gnss_data, 1);
if (gd == NULL)
return -ENOMEM;
gd->chat = g_at_chat_clone(chat);
gd->vendor = vendor;
ofono_gnss_set_data(gnss, gd);
g_at_chat_send(gd->chat, "AT+CPOS=?",
none_prefix, at_gnss_cpos_support_cb, gnss, NULL);
return 0;
}
static void at_gnss_remove(struct ofono_gnss *gnss)
{
struct gnss_data *gd = ofono_gnss_get_data(gnss);
DBG("");
ofono_gnss_set_data(gnss, NULL);
g_at_chat_unref(gd->chat);
g_free(gd);
}
static const struct ofono_gnss_driver driver = {
.name = "atmodem",
.probe = at_gnss_probe,
.remove = at_gnss_remove,
.send_element = at_gnss_send_element,
.set_position_reporting = at_gnss_position_reporting,
};
void at_gnss_init(void)
{
ofono_gnss_driver_register(&driver);
}
void at_gnss_exit(void)
{
ofono_gnss_driver_unregister(&driver);
}