---
thermometer/thermometer.c | 110 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 110 insertions(+), 0 deletions(-)
diff --git a/thermometer/thermometer.c b/thermometer/thermometer.c
index f8c17c6..f0b977e 100644
--- a/thermometer/thermometer.c
+++ b/thermometer/thermometer.c
@@ -30,10 +30,15 @@
#include "gattrib.h"
#include "attio.h"
#include "att.h"
+#include "gatt.h"
#include "thermometer.h"
#define THERMOMETER_INTERFACE "org.bluez.Thermometer"
+#define TEMPERATURE_TYPE_UUID "00002a1d-0000-1000-8000-00805f9b34fb"
+#define INTERMEDIATE_TEMPERATURE_UUID "00002a1e-0000-1000-8000-00805f9b34fb"
+#define MEASUREMENT_INTERVAL_UUID "00002a21-0000-1000-8000-00805f9b34fb"
+
struct thermometer {
DBusConnection *conn; /* The connection to the bus */
struct btd_device *dev; /* Device reference */
@@ -41,10 +46,31 @@ struct thermometer {
struct att_range *svc_range; /* Thermometer range */
gint attioid; /* Att watcher id */
gint attindid; /* Att incications id */
+ GSList *chars; /* Characteristics */
+};
+
+struct characteristic {
+ struct att_char attr; /* Characteristic */
+ GSList *desc; /* Descriptors */
+ struct thermometer *t; /* Thermometer where the char belongs */
+};
+
+struct descriptor {
+ struct characteristic *ch;
+ uint16_t handle;
+ bt_uuid_t uuid;
};
static GSList *thermometers = NULL;
+static void destroy_char(gpointer user_data)
+{
+ struct characteristic *c = user_data;
+
+ g_slist_free_full(c->desc, g_free);
+ g_free(c);
+}
+
static void destroy_thermometer(gpointer user_data)
{
struct thermometer *t = user_data;
@@ -58,6 +84,9 @@ static void destroy_thermometer(gpointer user_data)
if (t->attrib)
g_attrib_unref(t->attrib);
+ if (t->chars)
+ g_slist_free_full(t->chars, destroy_char);
+
dbus_connection_unref(t->conn);
btd_device_unref(t->dev);
g_free(t->svc_range);
@@ -75,6 +104,85 @@ static gint cmp_device(gconstpointer a, gconstpointer b)
return -1;
}
+static void discover_desc_cb(guint8 status, const guint8 *pdu, guint16 len,
+ gpointer user_data)
+{
+ /* TODO */
+}
+
+static void read_temp_type_cb(guint8 status, const guint8 *pdu, guint16 len,
+ gpointer user_data)
+{
+ /* TODO */
+}
+
+static void read_interval_cb(guint8 status, const guint8 *pdu, guint16 len,
+ gpointer user_data)
+{
+ /* TODO */
+}
+
+static void process_thermometer_char(struct characteristic *ch)
+{
+ GAttribResultFunc func;
+
+ if (g_strcmp0(ch->attr.uuid, INTERMEDIATE_TEMPERATURE_UUID) == 0) {
+ /* TODO: Change intermediate property and emit signal */
+ return;
+ } else if (g_strcmp0(ch->attr.uuid, TEMPERATURE_TYPE_UUID) == 0)
+ func = read_temp_type_cb;
+ else if (g_strcmp0(ch->attr.uuid, MEASUREMENT_INTERVAL_UUID) == 0)
+ func = read_interval_cb;
+ else
+ return;
+
+ gatt_read_char(ch->t->attrib, ch->attr.value_handle, 0, func, ch);
+}
+
+static void configure_thermometer_cb(GSList *characteristics, guint8 status,
+ gpointer user_data)
+{
+ struct thermometer *t = user_data;
+ GSList *l;
+
+ if (status) {
+ error("Discover thermometer characteristics: %s",
+ att_ecode2str(status));
+ return;
+ }
+
+ for (l = characteristics; l; l = l->next) {
+ struct att_char *c = l->data;
+ struct characteristic *ch;
+ uint16_t start, end;
+
+ 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->t = t;
+
+ t->chars = g_slist_append(t->chars, ch);
+
+ process_thermometer_char(ch);
+
+ start = c->value_handle + 1;
+
+ if (l->next) {
+ struct att_char *c = l->next->data;
+ if (start == c->handle)
+ continue;
+ end = c->handle - 1;
+ } else if (c->value_handle != t->svc_range->end)
+ end = t->svc_range->end;
+ else
+ continue;
+
+ gatt_find_info(t->attrib, start, end, discover_desc_cb, ch);
+ }
+}
+
static DBusMessage *get_properties(DBusConnection *conn, DBusMessage *msg,
void *data)
{
@@ -152,6 +260,8 @@ static void attio_connected_cb(GAttrib *attrib, gpointer user_data)
t->attindid = g_attrib_register(t->attrib, ATT_OP_HANDLE_IND,
ind_handler, t, NULL);
+ gatt_discover_char(t->attrib, t->svc_range->start, t->svc_range->end,
+ NULL, configure_thermometer_cb, t);
}
static void attio_disconnected_cb(gpointer user_data)
--
1.7.6.1
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