1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/atmodem/ussd.c b/drivers/atmodem/ussd.c
new file mode 100644
index 00000000..992fbe53
--- /dev/null
+++ b/drivers/atmodem/ussd.c
@@ -0,0 +1,151 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2009  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
+
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include "driver.h"
+#include "util.h"
+
+#include "gatchat.h"
+#include "gatresult.h"
+
+#include "at.h"
+
+static const char *none_prefix[] = { NULL };
+
+static void cusd_request_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_generic_cb_t cb = cbd->cb;
+	struct ofono_error error;
+
+	dump_response("cusd_request_cb", ok, result);
+	decode_at_error(&error, g_at_result_final_response(result));
+
+	cb(&error, cbd->data);
+}
+
+static void at_ussd_request(struct ofono_modem *modem, const char *str,
+				ofono_generic_cb_t cb, void *data)
+{
+	struct at_data *at = ofono_modem_userdata(modem);
+	struct cb_data *cbd = cb_data_new(modem, cb, data);
+	unsigned char *converted;
+	//struct ofono_error error;
+	int dcs;
+	int max_len;
+	long written;
+	char buf[256];
+
+	if (!cbd)
+		goto error;
+
+	converted = convert_utf8_to_gsm(str, strlen(str), NULL, &written, 0);
+
+	/* TODO: Be able to convert to UCS2, although the standard does not
+	 * indicate that this is actually possible
+	 */
+	if (!converted)
+		goto error;
+	else {
+		dcs = 15;
+		max_len = 182;
+	}
+
+	if (written > max_len)
+		goto error;
+
+	sprintf(buf, "AT+CUSD=1,\"%s\",%d", converted, dcs);
+
+	if (g_at_chat_send(at->parser, buf, none_prefix,
+				cusd_request_cb, cbd, g_free) > 0)
+		return;
+
+error:
+	if (cbd)
+		g_free(cbd);
+
+	{
+		DECLARE_FAILURE(error);
+		cb(&error, data);
+	}
+}
+
+static void cusd_cancel_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_generic_cb_t cb = cbd->cb;
+	struct ofono_error error;
+
+	dump_response("cusd_cancel_cb", ok, result);
+	decode_at_error(&error, g_at_result_final_response(result));
+
+	cb(&error, cbd->data);
+}
+
+static void at_ussd_cancel(struct ofono_modem *modem,
+				ofono_generic_cb_t cb, void *data)
+{
+	struct at_data *at = ofono_modem_userdata(modem);
+	struct cb_data *cbd = cb_data_new(modem, cb, data);
+
+	if (!cbd)
+		goto error;
+
+	if (g_at_chat_send(at->parser, "AT+CUSD=2", none_prefix,
+				cusd_cancel_cb, cbd, g_free) > 0)
+		return;
+
+error:
+	if (cbd)
+		g_free(cbd);
+
+	{
+		DECLARE_FAILURE(error);
+		cb(&error, data);
+	}
+}
+
+static struct ofono_ussd_ops ops = {
+	.request = at_ussd_request,
+	.cancel = at_ussd_cancel
+};
+
+void at_ussd_init(struct ofono_modem *modem)
+{
+	/* TODO: Register for USSD Notifications */
+	ofono_ussd_register(modem, &ops);
+}
+
+void at_ussd_exit(struct ofono_modem *modem)
+{
+	ofono_ussd_unregister(modem);
+}