Process Heart Rate service descriptors and write
client specific characteristic configuration.
---
lib/uuid.h | 1 +
profiles/heartrate/heartrate.c | 34 +++++++++++++++++++++++++++++++++-
2 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/lib/uuid.h b/lib/uuid.h
index 99b88cc..5d81856 100644
--- a/lib/uuid.h
+++ b/lib/uuid.h
@@ -64,6 +64,7 @@ extern "C" {
#define SAP_UUID "0000112D-0000-1000-8000-00805f9b34fb"
#define HEART_RATE_UUID "0000180d-0000-1000-8000-00805f9b34fb"
+#define HEART_RATE_MEASUREMENT_UUID "00002a37-0000-1000-8000-00805f9b34fb"
#define HEALTH_THERMOMETER_UUID "00001809-0000-1000-8000-00805f9b34fb"
#define TEMPERATURE_MEASUREMENT_UUID "00002a1c-0000-1000-8000-00805f9b34fb"
diff --git a/profiles/heartrate/heartrate.c b/profiles/heartrate/heartrate.c
index e917f27..4c313b2 100644
--- a/profiles/heartrate/heartrate.c
+++ b/profiles/heartrate/heartrate.c
@@ -70,12 +70,21 @@ static gint cmp_device(gconstpointer a, gconstpointer b)
return -1;
}
+static void char_destroy(gpointer user_data)
+{
+ struct characteristic *c = user_data;
+
+ g_slist_free_full(c->desc, g_free);
+
+ g_free(c);
+}
+
static void heartrate_destroy(gpointer user_data)
{
struct heartrate *hr = user_data;
if (hr->chars != NULL)
- g_slist_free_full(hr->chars, g_free);
+ g_slist_free_full(hr->chars, char_destroy);
if (hr->attioid > 0)
btd_device_remove_attio_callback(hr->dev, hr->attioid);
@@ -89,6 +98,28 @@ static void heartrate_destroy(gpointer user_data)
}
+static void process_heartrate_desc(struct descriptor *desc)
+{
+ struct characteristic *ch = desc->ch;
+ char uuidstr[MAX_LEN_UUID_STR];
+ bt_uuid_t btuuid;
+
+ bt_uuid16_create(&btuuid, GATT_CLIENT_CHARAC_CFG_UUID);
+
+ if (bt_uuid_cmp(&desc->uuid, &btuuid) == 0 &&
+ g_strcmp0(ch->attr.uuid,
+ HEART_RATE_MEASUREMENT_UUID) == 0) {
+
+ DBG("Heart Rate Measurement notification" \
+ " supported");
+ return;
+ }
+
+ bt_uuid_to_string(&desc->uuid, uuidstr, MAX_LEN_UUID_STR);
+ DBG("Ignored descriptor %s in characteristic %s", uuidstr,
+ ch->attr.uuid);
+}
+
static void discover_desc_cb(guint8 status, const guint8 *pdu,
guint16 len, gpointer user_data)
{
@@ -122,6 +153,7 @@ static void discover_desc_cb(guint8 status, const guint8 *pdu,
desc->uuid = att_get_uuid128(&value[2]);
ch->desc = g_slist_append(ch->desc, desc);
+ process_heartrate_desc(desc);
}
att_data_list_free(list);
--
1.7.9.5
--
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