plugins: Add support for sim900 by SIMCOM

This patch add support for SIM900 GSM module
http://wm.sim.com/Sim/FrontShow_en/wireless/detail.aspx?cid=6&nid=770

diff --git a/Makefile.am b/Makefile.am
index b4adb6f..0472dfa 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -347,6 +347,9 @@ builtin_sources += plugins/speedupcdma.c
 builtin_modules += samsung
 builtin_sources += plugins/samsung.c
 
+builtin_modules += sim900
+builtin_sources += plugins/sim900.c
+
 if BLUETOOTH
 builtin_modules += bluetooth
 builtin_sources += plugins/bluetooth.c plugins/bluetooth.h

diff --git a/plugins/sim900.c b/plugins/sim900.c
new file mode 100644 (file)
index 0000000..bc5f9c5
--- /dev/null
+++ b/plugins/sim900.c
@@ -0,0 +1,260 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2011  Intel Corporation. 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/sms.h>
+#include <ofono/ussd.h>
+#include <ofono/gprs.h>
+#include <ofono/gprs-context.h>
+#include <ofono/phonebook.h>
+#include <ofono/history.h>
+#include <ofono/log.h>
+
+#include <drivers/atmodem/vendor.h>
+
+static const char *none_prefix[] = { NULL };
+
+struct sim900_data {
+       GAtChat *modem;
+};
+
+static int sim900_probe(struct ofono_modem *modem)
+{
+       struct sim900_data *data;
+
+       DBG("%p", modem);
+
+       data = g_try_new0(struct sim900_data, 1);
+       if (data == NULL)
+               return -ENOMEM;
+
+       ofono_modem_set_data(modem, data);
+
+       return 0;
+}
+
+static void sim900_remove(struct ofono_modem *modem)
+{
+       struct sim900_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 void sim900_debug(const char *str, void *user_data)
+{
+       const char *prefix = user_data;
+
+       ofono_info("%s%s", prefix, str);
+}
+
+static GAtChat *open_device(struct ofono_modem *modem,
+                               const char *key, char *debug)
+{
+       const char *device;
+       GAtSyntax *syntax;
+       GIOChannel *channel;
+       GAtChat *chat;
+       GHashTable *options;
+
+       device = ofono_modem_get_string(modem, key);
+       if (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", "off");
+       g_hash_table_insert(options, "Local", "off");
+       g_hash_table_insert(options, "RtsCts", "off");
+
+       channel = g_at_tty_open(device, options);
+       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, sim900_debug, debug);
+
+       return chat;
+}
+
+static void cfun_enable(gboolean ok, GAtResult *result, gpointer user_data)
+{
+       struct ofono_modem *modem = user_data;
+       struct sim900_data *data = ofono_modem_get_data(modem);
+
+       DBG("");
+
+       if (!ok) {
+               g_at_chat_unref(data->modem);
+               data->modem = NULL;
+       }
+
+       ofono_modem_set_powered(modem, ok);
+}
+
+static int sim900_enable(struct ofono_modem *modem)
+{
+       struct sim900_data *data = ofono_modem_get_data(modem);
+
+       DBG("%p", modem);
+
+       data->modem = open_device(modem, "Device", "Device: ");
+       if (data->modem == NULL) {
+               DBG("return -EINVAL");
+               return -EINVAL;
+       }
+
+       g_at_chat_send(data->modem, "ATE0", NULL, NULL, NULL, NULL);
+
+       /* For obtain correct sms service number */
+       g_at_chat_send(data->modem, "AT+CSCS=\"GSM\"", NULL,
+                                       NULL, NULL, NULL);
+
+       g_at_chat_send(data->modem, "AT+CFUN=1", 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 sim900_data *data = ofono_modem_get_data(modem);
+
+       DBG("");
+
+       g_at_chat_unref(data->modem);
+       data->modem = NULL;
+
+       if (ok)
+               ofono_modem_set_powered(modem, FALSE);
+}
+
+static int sim900_disable(struct ofono_modem *modem)
+{
+       struct sim900_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_send(data->modem, "AT+CFUN=4", none_prefix,
+                                       cfun_disable, modem, NULL);
+
+       return -EINPROGRESS;
+}
+
+static void sim900_pre_sim(struct ofono_modem *modem)
+{
+       struct sim900_data *data = ofono_modem_get_data(modem);
+       struct ofono_sim *sim;
+
+       DBG("%p", modem);
+
+       ofono_devinfo_create(modem, 0, "atmodem", data->modem);
+       sim = ofono_sim_create(modem, 0, "atmodem", data->modem);
+
+       if (sim)
+               ofono_sim_inserted_notify(sim, TRUE);
+}
+
+static void sim900_post_sim(struct ofono_modem *modem)
+{
+       struct sim900_data *data = ofono_modem_get_data(modem);
+
+       DBG("%p", modem);
+
+       ofono_phonebook_create(modem, 0, "atmodem", data->modem);
+       ofono_sms_create(modem, 0, "atmodem", data->modem);
+}
+
+static void sim900_post_online(struct ofono_modem *modem)
+{
+       struct sim900_data *data = ofono_modem_get_data(modem);
+
+       DBG("%p", modem);
+
+       ofono_netreg_create(modem, OFONO_VENDOR_SIMCOM, "atmodem", data->modem);
+}
+
+static struct ofono_modem_driver sim900_driver = {
+       .name           = "sim900",
+       .probe          = sim900_probe,
+       .remove         = sim900_remove,
+       .enable         = sim900_enable,
+       .disable        = sim900_disable,
+       .pre_sim        = sim900_pre_sim,
+       .post_sim       = sim900_post_sim,
+       .post_online    = sim900_post_online,
+};
+
+static int sim900_init(void)
+{
+       return ofono_modem_driver_register(&sim900_driver);
+}
+
+static void sim900_exit(void)
+{
+       ofono_modem_driver_unregister(&sim900_driver);
+}
+
+OFONO_PLUGIN_DEFINE(sim900, "SIM900 modem driver", VERSION,
+               OFONO_PLUGIN_PRIORITY_DEFAULT, sim900_init, sim900_exit)