plugins: new driver for u-blox SARA-U270 modems

This driver may also work (perhaps with more or less trivial changes)
with other u-blox modems (SARA, LISA, LEON) but this hasn't been tested.
This commit is contained in:
Philip Paeps 2014-07-03 12:32:04 +02:00 committed by Denis Kenzior
parent 293c701e25
commit 0d8a06af30
2 changed files with 296 additions and 0 deletions

View File

@ -423,6 +423,9 @@ builtin_sources += plugins/he910.c
builtin_modules += quectel
builtin_sources += plugins/quectel.c
builtin_modules += ublox
builtin_sources += plugins/ublox.c
if BLUETOOTH
if BLUEZ4
builtin_modules += bluez4

293
plugins/ublox.c Normal file
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@ -0,0 +1,293 @@
/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2014 Philip Paeps. All rights reserved.
*
* 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 <errno.h>
#include <stdlib.h>
#include <glib.h>
#include <gatchat.h>
#include <gattty.h>
#define OFONO_API_SUBJECT_TO_CHANGE
#include <ofono/plugin.h>
#include <ofono/modem.h>
#include <ofono/devinfo.h>
#include <ofono/netreg.h>
#include <ofono/sim.h>
#include <ofono/gprs.h>
#include <ofono/gprs-context.h>
#include <drivers/atmodem/atutil.h>
#include <drivers/atmodem/vendor.h>
static const char *none_prefix[] = { NULL };
struct ublox_data {
GAtChat *modem;
GAtChat *aux;
};
static void ublox_debug(const char *str, void *user_data)
{
const char *prefix = user_data;
ofono_info("%s%s", prefix, str);
}
static int ublox_probe(struct ofono_modem *modem)
{
struct ublox_data *data;
DBG("%p", modem);
data = g_try_new0(struct ublox_data, 1);
if (data == NULL)
return -ENOMEM;
ofono_modem_set_data(modem, data);
return 0;
}
static void ublox_remove(struct ofono_modem *modem)
{
struct ublox_data *data = ofono_modem_get_data(modem);
DBG("%p", modem);
ofono_modem_set_data(modem, NULL);
g_at_chat_unref(data->aux);
g_at_chat_unref(data->modem);
g_free(data);
}
static GAtChat *open_device(struct ofono_modem *modem,
const char *key, char *debug)
{
const char *device;
GAtSyntax *syntax;
GIOChannel *channel;
GAtChat *chat;
device = ofono_modem_get_string(modem, key);
if (device == NULL)
return NULL;
DBG("%s %s", key, device);
channel = g_at_tty_open(device, NULL);
if (channel == NULL)
return NULL;
syntax = g_at_syntax_new_gsm_permissive();
chat = g_at_chat_new(channel, syntax);
g_at_syntax_unref(syntax);
g_io_channel_unref(channel);
if (chat == NULL)
return NULL;
if (getenv("OFONO_AT_DEBUG"))
g_at_chat_set_debug(chat, ublox_debug, debug);
return chat;
}
static void cfun_enable(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_modem *modem = user_data;
struct ublox_data * data = ofono_modem_get_data(modem);
DBG("ok %d", ok);
if (!ok) {
g_at_chat_unref(data->aux);
data->aux = NULL;
g_at_chat_unref(data->modem);
data->modem = NULL;
ofono_modem_set_powered(modem, FALSE);
return;
}
ofono_modem_set_powered(modem, TRUE);
}
static int ublox_enable(struct ofono_modem *modem)
{
struct ublox_data *data = ofono_modem_get_data(modem);
DBG("%p", modem);
data->modem = open_device(modem, "Modem", "Modem: ");
if (data->modem == NULL)
return -EINVAL;
data->aux = open_device(modem, "Aux", "Aux: ");
if (data->aux == NULL) {
g_at_chat_unref(data->modem);
data->modem = NULL;
return -EIO;
}
g_at_chat_set_slave(data->modem, data->aux);
g_at_chat_send(data->modem, "ATE0 +CMEE=1", none_prefix,
NULL, NULL, NULL);
g_at_chat_send(data->aux, "ATE0 +CMEE=1", none_prefix,
NULL, NULL, NULL);
g_at_chat_send(data->aux, "AT+CFUN=4", none_prefix,
cfun_enable, modem, NULL);
return -EINPROGRESS;
}
static void cfun_disable(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_modem *modem = user_data;
struct ublox_data *data = ofono_modem_get_data(modem);
DBG("");
g_at_chat_unref(data->aux);
data->aux = NULL;
if (ok)
ofono_modem_set_powered(modem, FALSE);
}
static int ublox_disable(struct ofono_modem *modem)
{
struct ublox_data *data = ofono_modem_get_data(modem);
DBG("%p", modem);
g_at_chat_cancel_all(data->modem);
g_at_chat_unregister_all(data->modem);
g_at_chat_unref(data->modem);
data->modem = NULL;
g_at_chat_cancel_all(data->aux);
g_at_chat_unregister_all(data->aux);
g_at_chat_send(data->aux, "AT+CFUN=0", none_prefix,
cfun_disable, modem, NULL);
return -EINPROGRESS;
}
static void set_online_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct cb_data *cbd = user_data;
ofono_modem_online_cb_t cb = cbd->cb;
struct ofono_error error;
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, cbd->data);
}
static void ublox_set_online(struct ofono_modem *modem, ofono_bool_t online,
ofono_modem_online_cb_t cb, void *user_data)
{
struct ublox_data *data = ofono_modem_get_data(modem);
struct cb_data *cbd = cb_data_new(cb, user_data);
char const *command = online ? "AT+CFUN=1" : "AT+CFUN=4";
DBG("modem %p %s", modem, online ? "online" : "offline");
if (g_at_chat_send(data->aux, command, none_prefix, set_online_cb,
cbd, g_free) > 0)
return;
CALLBACK_WITH_FAILURE(cb, cbd->data);
g_free(cbd);
}
static void ublox_pre_sim(struct ofono_modem *modem)
{
struct ublox_data *data = ofono_modem_get_data(modem);
struct ofono_sim *sim;
DBG("%p", modem);
ofono_devinfo_create(modem, OFONO_VENDOR_UBLOX, "atmodem",
data->aux);
sim = ofono_sim_create(modem, OFONO_VENDOR_UBLOX, "atmodem",
data->aux);
if (sim)
ofono_sim_inserted_notify(sim, TRUE);
}
static void ublox_post_sim(struct ofono_modem *modem)
{
struct ublox_data *data = ofono_modem_get_data(modem);
struct ofono_gprs *gprs;
struct ofono_gprs_context *gc;
DBG("%p", modem);
gprs = ofono_gprs_create(modem, OFONO_VENDOR_UBLOX, "atmodem",
data->aux);
gc = ofono_gprs_context_create(modem, OFONO_VENDOR_UBLOX, "atmodem",
data->modem);
if (gprs && gc)
ofono_gprs_add_context(gprs, gc);
}
static void ublox_post_online(struct ofono_modem *modem)
{
struct ublox_data *data = ofono_modem_get_data(modem);
ofono_netreg_create(modem, OFONO_VENDOR_UBLOX, "atmodem",
data->aux);
}
static struct ofono_modem_driver ublox_driver = {
.name = "ublox",
.probe = ublox_probe,
.remove = ublox_remove,
.enable = ublox_enable,
.disable = ublox_disable,
.set_online = ublox_set_online,
.pre_sim = ublox_pre_sim,
.post_sim = ublox_post_sim,
.post_online = ublox_post_online,
};
static int ublox_init(void)
{
return ofono_modem_driver_register(&ublox_driver);
}
static void ublox_exit(void)
{
ofono_modem_driver_unregister(&ublox_driver);
}
OFONO_PLUGIN_DEFINE(ublox, "u-blox modem driver", VERSION,
OFONO_PLUGIN_PRIORITY_DEFAULT, ublox_init, ublox_exit)