Read and store Sensor Location characteristic.
---
lib/uuid.h | 2 ++
profiles/heartrate/heartrate.c | 46 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 48 insertions(+)
diff --git a/lib/uuid.h b/lib/uuid.h
index 5d81856..5d1e091 100644
--- a/lib/uuid.h
+++ b/lib/uuid.h
@@ -65,6 +65,8 @@ extern "C" {
#define HEART_RATE_UUID "0000180d-0000-1000-8000-00805f9b34fb"
#define HEART_RATE_MEASUREMENT_UUID "00002a37-0000-1000-8000-00805f9b34fb"
+#define HEART_RATE_CONTROL_POINT_UUID "00002a39-0000-1000-8000-00805f9b34fb"
+#define BODY_SENSOR_LOCATION_UUID "00002a38-0000-1000-8000-00805f9b34fb"
#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 b11f132..2521b6a 100644
--- a/profiles/heartrate/heartrate.c
+++ b/profiles/heartrate/heartrate.c
@@ -42,6 +42,8 @@
#define HEART_RATE_INTERFACE "org.bluez.HeartRate"
+#define SENSOR_LOCATION_SIZE 1
+
struct heartrate {
struct btd_device *dev; /*Device reference*/
DBusConnection *conn; /*DBus conn*/
@@ -50,6 +52,8 @@ struct heartrate {
struct att_range *svc_range; /*Heart Rate range*/
GSList *chars; /*Characteristics*/
GSList *watchers; /*Watchers*/
+ gboolean has_location;
+ uint8_t location; /*Body Sensor location*/
};
struct characteristic {
@@ -238,6 +242,46 @@ static const GDBusMethodTable heartrate_methods[] = {
{ }
};
+static void read_sensor_location_cb(guint8 status, const guint8 *pdu,
+ guint16 len, gpointer user_data)
+{
+ struct characteristic *ch = user_data;
+ struct heartrate *hr = ch->hr;
+ uint8_t value[SENSOR_LOCATION_SIZE];
+ ssize_t vlen;
+
+ if (status != 0) {
+ error("Body Sensor Location value read failed: %s",
+ att_ecode2str(status));
+ return;
+ }
+
+ vlen = dec_read_resp(pdu, len, value, sizeof(value));
+ if (vlen < 0) {
+ error("Protocol error.");
+ return;
+ }
+
+ if (vlen != 1) {
+ error("Invalid length for Body Sensor Location");
+ return;
+ }
+
+ hr->has_location = TRUE;
+ hr->location = value[0];
+}
+
+static void process_heartrate_char(struct characteristic *ch)
+{
+ if (g_strcmp0(ch->attr.uuid,
+ HEART_RATE_CONTROL_POINT_UUID) == 0)
+ DBG("Heart Rate Control Point reset not supported by client");
+ else if (g_strcmp0(ch->attr.uuid,
+ BODY_SENSOR_LOCATION_UUID) == 0)
+ gatt_read_char(ch->hr->attrib, ch->attr.value_handle, 0,
+ read_sensor_location_cb, ch);
+}
+
static void measurement_cb(guint8 status, const guint8 *pdu,
guint16 len, gpointer user_data)
{
@@ -344,6 +388,8 @@ static void configure_heartrate_cb(GSList *characteristics, guint8 status,
hr->chars = g_slist_append(hr->chars, ch);
+ process_heartrate_char(ch);
+
start = c->value_handle + 1;
if (l->next != NULL) {
--
1.7.9.5
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