From: Rafal Garbat <rafal.garbat@xxxxxxxxx>
This patch adds support to read and store Body Sensor Location characteristic
value.
---
profiles/heartrate/heartrate.c | 35 ++++++++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/profiles/heartrate/heartrate.c b/profiles/heartrate/heartrate.c
index d3d6d43..8c12101 100644
--- a/profiles/heartrate/heartrate.c
+++ b/profiles/heartrate/heartrate.c
@@ -54,6 +54,9 @@ struct heartrate {
uint16_t measurement_val_handle;
uint16_t measurement_ccc_handle;
uint16_t hrcp_val_handle;
+
+ gboolean has_location;
+ uint8_t location;
};
static GSList *heartrate_adapters = NULL;
@@ -113,6 +116,34 @@ static void destroy_heartrate_adapter(gpointer user_data)
g_free(hradapter);
}
+static void read_sensor_location_cb(guint8 status, const guint8 *pdu,
+ guint16 len, gpointer user_data)
+{
+ struct heartrate *hr = user_data;
+ uint8_t value;
+ ssize_t vlen;
+
+ if (status != 0) {
+ error("Body Sensor Location 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;
+}
+
static void discover_ccc_cb(guint8 status, const guint8 *pdu,
guint16 len, gpointer user_data)
{
@@ -194,7 +225,9 @@ static void discover_char_cb(GSList *chars, guint8 status, gpointer user_data)
discover_measurement_ccc(hr, c, c_next);
} else if (g_strcmp0(c->uuid, BODY_SENSOR_LOCATION_UUID) == 0) {
DBG("Body Sensor Location supported");
- /* TODO: read characterictic value */
+
+ gatt_read_char(hr->attrib, c->value_handle, 0,
+ read_sensor_location_cb, hr);
} else if (g_strcmp0(c->uuid,
HEART_RATE_CONTROL_POINT_UUID) == 0) {
DBG("Heart Rate Control Point supported");
--
1.7.11.3
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