From: Philippe De Swert <[email protected]>
Add support for ublox modems that are used over the serial port.
(tested on SARA-R410M and R412M)
---
plugins/ublox-serial.c | 393 +++++++++++++++++++++++++++++++++++++++++
plugins/udevng.c | 1 +
2 files changed, 394 insertions(+)
create mode 100644 plugins/ublox-serial.c
diff --git a/plugins/ublox-serial.c b/plugins/ublox-serial.c
new file mode 100644
index 00000000..4f0cf5f3
--- /dev/null
+++ b/plugins/ublox-serial.c
@@ -0,0 +1,393 @@
+/*
+ *
+ * oFono - Open Source Telephony
+ *
+ * Copyright (C) 2014 Philip Paeps. All rights reserved.
+ * Copyright (C) 2018-2019 Treon oy. All rights reserved.
+ *
+ * Inspired on the Ublox driver by Philip Paeps
+ *
+ * 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 <string.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 <ofono/netmon.h>
+#include <ofono/lte.h>
+
+#include <drivers/atmodem/atutil.h>
+#include <drivers/atmodem/vendor.h>
+
+static const char *none_prefix[] = { NULL };
+
+struct ublox_data {
+ GIOChannel *device;
+ GAtChat *modem;
+ GAtChat *dlc;
+ int model_id;
+ enum ofono_vendor vendor_family;
+ guint frame_size;
+};
+
+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->modem);
+ g_free(data);
+}
+
+static GAtChat *open_device(struct ofono_modem *modem,
+ const char *key, char *debug)
+{
+ struct ublox_data *data = ofono_modem_get_data(modem);
+ const char *device;
+ GAtSyntax *syntax;
+ GIOChannel *channel;
+ GAtChat *chat;
+ GHashTable *options;
+
+ device = ofono_modem_get_string(modem, key);
+ if (device == NULL)
+ {
+ DBG("device = NULL");
+ return NULL;
+ }
+ DBG("%s %s", key, device);
+
+ options = g_hash_table_new(g_str_hash, g_str_equal);
+ if (options == NULL)
+ return NULL;
+
+ g_hash_table_insert(options, "Baud", "115200");
+ g_hash_table_insert(options, "Parity", "none");
+ g_hash_table_insert(options, "StopBits", "1");
+ g_hash_table_insert(options, "DataBits", "8");
+ g_hash_table_insert(options, "XonXoff", "on");
+ g_hash_table_insert(options, "Local", "on");
+ g_hash_table_insert(options, "RtsCts", "off");
+ g_hash_table_insert(options, "Read", "on");
+
+ channel = g_at_tty_open(device, options);
+ g_hash_table_destroy(options);
+
+ if (channel == NULL)
+ return NULL;
+
+ data->device = channel;
+ 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;
+}
+
+#if 0
+static GAtChat *create_chat(GIOChannel *channel, struct ofono_modem *modem,
+ char *debug)
+{
+ GAtSyntax *syntax;
+ GAtChat *chat;
+
+ if (channel == NULL)
+ return NULL;
+
+ syntax = g_at_syntax_new_gsmv1();
+ 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 shutdown_device(struct ublox_data *data)
+{
+ DBG("");
+
+ g_at_chat_unref(data->dlc);
+ data->dlc = NULL;
+
+ g_io_channel_unref(data->device);
+ data->device = NULL;
+}
+#endif
+
+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->modem);
+ data->modem = NULL;
+ ofono_modem_set_powered(modem, FALSE);
+ DBG("CFUN failed");
+ return;
+ }
+ ofono_modem_set_powered(modem, TRUE);
+ DBG("Powered on!");
+}
+
+static int ublox_enable(struct ofono_modem *modem)
+{
+ struct ublox_data *data = ofono_modem_get_data(modem);
+ const char *model_str = NULL;
+
+ DBG("%p", modem);
+
+ model_str = ofono_modem_get_string(modem, "Model");
+ DBG("%p is model %s", modem, model_str);
+ if (model_str == NULL)
+ model_str = strdup("SARA_R410");
+ //return -EINVAL;
+
+ data->model_id = atoi(model_str);
+
+ switch (data->model_id) {
+ default:
+ DBG("unknown ublox model id %d", data->model_id);
+ //return -EINVAL;
+ data->vendor_family = OFONO_VENDOR_UBLOX;
+ break;
+ }
+
+ if (data->vendor_family == OFONO_VENDOR_UBLOX) {
+ data->dlc = open_device(modem, "Device", "Setup: ");
+ if (data->dlc == NULL) {
+ g_at_chat_unref(data->dlc);
+ data->dlc = NULL;
+ DBG("open_device failed!");
+ return -EIO;
+ }
+
+ g_at_chat_set_slave(data->modem, data->dlc);
+
+ g_at_chat_send(data->dlc, "AT+CFUN=0", none_prefix,
+ NULL, NULL, NULL);
+
+ g_at_chat_send(data->dlc, "AT+UMNOPROF=1", NULL, NULL, NULL,
NULL);
+ //enable roaming in the modem
+ g_at_chat_send(data->dlc, "AT+UDCONF=76,1,0", NULL, NULL, NULL,
NULL);
+ }
+
+ /* The modem can take a while to wake up if just powered on. */
+ //g_at_chat_set_wakeup_command(data->dlcs[SETUP_DLC], "AT\r", 1000,
11000);
+
+ g_at_chat_send(data->dlc, "ATE0 +CMEE=1", none_prefix,
+ NULL, NULL, NULL);
+
+ g_at_chat_send(data->dlc, "AT+CFUN=4", none_prefix,
+ cfun_enable, modem, NULL);
+
+ DBG("Return in progress");
+ 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->dlc);
+ data->dlc = 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->dlc);
+ g_at_chat_unregister_all(data->dlc);
+
+ g_at_chat_send(data->dlc, "AT+CFUN=4", none_prefix,
+ cfun_disable, modem, NULL);
+
+ g_at_chat_unref(data->modem);
+ data->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);
+ DBG("online!?");
+}
+
+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->dlc, 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, 0, "atmodem", data->dlc);
+ DBG("%p devinfo created", modem);
+ sim = ofono_sim_create(modem, data->vendor_family, "atmodem",
+ data->dlc);
+
+ DBG("%p sim created", modem);
+
+ if (sim)
+ {
+ DBG("%p sim notification", modem);
+ 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;
+ GAtChat *chat = data->dlc;
+ const char *driver = "atmodem";
+
+ DBG("%p", modem);
+
+ gprs = ofono_gprs_create(modem, data->vendor_family, "atmodem",
+ data->dlc);
+
+ gc = ofono_gprs_context_create(modem, data->vendor_family,
+ driver, chat);
+
+ if (gprs && gc)
+ ofono_gprs_add_context(gprs, gc);
+
+ ofono_lte_create(modem, 0, "atmodem", data->dlc);
+}
+
+static void ublox_post_online(struct ofono_modem *modem)
+{
+ struct ublox_data *data = ofono_modem_get_data(modem);
+
+ ofono_netreg_create(modem, data->vendor_family, "atmodem", data->dlc);
+
+ ofono_netmon_create(modem, data->vendor_family, "ubloxserial",
data->modem);
+}
+
+static struct ofono_modem_driver ublox_driver = {
+ .name = "ubloxserial",
+ .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(ubloxserial, "u-blox serial modem driver", VERSION,
+ OFONO_PLUGIN_PRIORITY_DEFAULT, ublox_init, ublox_exit)
diff --git a/plugins/udevng.c b/plugins/udevng.c
index ce8cdee1..d95fc527 100644
--- a/plugins/udevng.c
+++ b/plugins/udevng.c
@@ -1322,6 +1322,7 @@ static struct {
{ "cinterion", setup_serial_modem },
{ "nokiacdma", setup_serial_modem },
{ "sim900", setup_serial_modem },
+ { "ubloxserial",setup_serial_modem },
{ "wavecom", setup_wavecom },
{ "tc65", setup_tc65 },
{ "ehs6", setup_ehs6 },
--
2.20.1
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