From: Chen Ganir <chen.ganir@xxxxxx>
Add support for the Battery Service Gatt Client side. Implement
the basic skeleton.
---
Makefile.plugins | 3 +
lib/uuid.h | 2 +
profiles/battery/battery.c | 214 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 219 insertions(+)
create mode 100644 profiles/battery/battery.c
diff --git a/Makefile.plugins b/Makefile.plugins
index faab011..33694b1 100644
--- a/Makefile.plugins
+++ b/Makefile.plugins
@@ -79,6 +79,9 @@ builtin_sources += profiles/scanparam/scan.c
builtin_modules += deviceinfo
builtin_sources += profiles/deviceinfo/deviceinfo.c
+builtin_modules += battery
+builtin_sources += profiles/battery/battery.c
+
if EXPERIMENTAL
builtin_modules += alert
builtin_sources += profiles/alert/server.c
diff --git a/lib/uuid.h b/lib/uuid.h
index 1e8188a..8736749 100644
--- a/lib/uuid.h
+++ b/lib/uuid.h
@@ -56,6 +56,8 @@ extern "C" {
#define PNPID_UUID "00002a50-0000-1000-8000-00805f9b34fb"
#define DEVICE_INFORMATION_UUID "0000180a-0000-1000-8000-00805f9b34fb"
+#define BATTERY_SERVICE_UUID "0000180f-0000-1000-8000-00805f9b34fb"
+
#define GATT_UUID "00001801-0000-1000-8000-00805f9b34fb"
#define IMMEDIATE_ALERT_UUID "00001802-0000-1000-8000-00805f9b34fb"
#define LINK_LOSS_UUID "00001803-0000-1000-8000-00805f9b34fb"
diff --git a/profiles/battery/battery.c b/profiles/battery/battery.c
new file mode 100644
index 0000000..73c06ff
--- /dev/null
+++ b/profiles/battery/battery.c
@@ -0,0 +1,214 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <glib.h>
+#include <bluetooth/uuid.h>
+#include <stdbool.h>
+
+#include "adapter.h"
+#include "device.h"
+#include "profile.h"
+#include "plugin.h"
+#include "attrib/att.h"
+#include "attrib/gattrib.h"
+#include "attrib/gatt.h"
+#include "attio.h"
+#include "log.h"
+
+struct battery {
+ struct btd_device *dev; /* Device reference */
+ GAttrib *attrib; /* GATT connection */
+ guint attioid; /* Att watcher id */
+ struct att_range *svc_range; /* Battery range */
+ GSList *chars; /* Characteristics */
+};
+
+struct characteristic {
+ struct gatt_char attr; /* Characteristic */
+ struct battery *batt; /* Parent Battery Service */
+};
+
+static GSList *servers;
+
+static gint cmp_device(gconstpointer a, gconstpointer b)
+{
+ const struct battery *batt = a;
+ const struct btd_device *dev = b;
+
+ if (dev == batt->dev)
+ return 0;
+
+ return -1;
+}
+
+static void battery_free(gpointer user_data)
+{
+ struct battery *batt = user_data;
+
+ if (batt->chars != NULL)
+ g_slist_free_full(batt->chars, g_free);
+
+ if (batt->attioid > 0)
+ btd_device_remove_attio_callback(batt->dev, batt->attioid);
+
+ if (batt->attrib != NULL)
+ g_attrib_unref(batt->attrib);
+
+ btd_device_unref(batt->dev);
+ g_free(batt);
+}
+
+static void configure_battery_cb(GSList *characteristics, guint8 status,
+ gpointer user_data)
+{
+ struct battery *batt = user_data;
+ GSList *l;
+
+ if (status != 0) {
+ error("Discover Battery characteristics: %s",
+ att_ecode2str(status));
+ return;
+ }
+
+ for (l = characteristics; l; l = l->next) {
+ struct gatt_char *c = l->data;
+ struct characteristic *ch;
+
+ ch = g_new0(struct characteristic, 1);
+ ch->attr.handle = c->handle;
+ ch->attr.properties = c->properties;
+ ch->attr.value_handle = c->value_handle;
+ memcpy(ch->attr.uuid, c->uuid, MAX_LEN_UUID_STR + 1);
+ ch->batt = batt;
+
+ batt->chars = g_slist_append(batt->chars, ch);
+ }
+}
+
+static void attio_connected_cb(GAttrib *attrib, gpointer user_data)
+{
+ struct battery *batt = user_data;
+
+ batt->attrib = g_attrib_ref(attrib);
+
+ if (batt->chars == NULL) {
+ gatt_discover_char(batt->attrib, batt->svc_range->start,
+ batt->svc_range->end, NULL,
+ configure_battery_cb, batt);
+ }
+}
+
+static void attio_disconnected_cb(gpointer user_data)
+{
+ struct battery *batt = user_data;
+
+ g_attrib_unref(batt->attrib);
+ batt->attrib = NULL;
+}
+
+static gint primary_uuid_cmp(gconstpointer a, gconstpointer b)
+{
+ const struct gatt_primary *prim = a;
+ const char *uuid = b;
+
+ return g_strcmp0(prim->uuid, uuid);
+}
+
+static int battery_register(struct btd_device *device)
+{
+ struct battery *batt;
+ struct gatt_primary *prim;
+ GSList *primaries, *l;
+
+ primaries = btd_device_get_primaries(device);
+
+ while ((l = g_slist_find_custom(primaries, BATTERY_SERVICE_UUID,
+ primary_uuid_cmp))) {
+ prim = l->data;
+
+ batt = g_new0(struct battery, 1);
+ batt->dev = btd_device_ref(device);
+
+ batt->svc_range = g_new0(struct att_range, 1);
+ batt->svc_range->start = prim->range.start;
+ batt->svc_range->end = prim->range.end;
+
+ servers = g_slist_prepend(servers, batt);
+
+ batt->attioid = btd_device_add_attio_callback(device,
+ attio_connected_cb, attio_disconnected_cb, batt);
+
+ primaries = g_slist_remove(primaries, prim);
+ }
+
+ return 0;
+}
+
+static void battery_unregister(struct btd_device *device)
+{
+ struct battery *batt;
+ GSList *l;
+
+ while ((l = g_slist_find_custom(servers, device, cmp_device))) {
+ batt = l->data;
+ servers = g_slist_remove(servers, batt);
+
+ battery_free(batt);
+ }
+}
+
+static int battery_driver_probe(struct btd_profile *p,
+ struct btd_device *device,
+ GSList *uuids)
+{
+ return battery_register(device);
+}
+
+static void battery_driver_remove(struct btd_profile *p,
+ struct btd_device *device)
+{
+ battery_unregister(device);
+}
+
+static struct btd_profile battery_profile = {
+ .name = "battery",
+ .remote_uuids = BTD_UUIDS(BATTERY_SERVICE_UUID),
+ .device_probe = battery_driver_probe,
+ .device_remove = battery_driver_remove
+};
+
+static int battery_manager_init(void)
+{
+ return btd_profile_register(&battery_profile);
+}
+
+static void battery_manager_exit(void)
+{
+ btd_profile_unregister(&battery_profile);
+}
+
+BLUETOOTH_PLUGIN_DEFINE(battery, VERSION, BLUETOOTH_PLUGIN_PRIORITY_DEFAULT,
+ battery_manager_init, battery_manager_exit)
--
1.7.9.5
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