Register GAP service with device name characteristic,
appearance and peripheral privacy flag
---
android/gatt.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 96 insertions(+)
diff --git a/android/gatt.c b/android/gatt.c
index 5ca22e2..d2b1684 100644
--- a/android/gatt.c
+++ b/android/gatt.c
@@ -161,6 +161,8 @@ static struct gatt_db *gatt_db = NULL;
static GIOChannel *listening_sk = NULL;
+static char device_name[249] = "BlueZ for Android";
+
static void bt_le_discovery_stop_cb(void);
static void android2uuid(const uint8_t *uuid, bt_uuid_t *dst)
@@ -3717,6 +3719,98 @@ static void connect_event(GIOChannel *io, GError *gerr, void *user_data)
error("gatt: Could not attache to server");
}
+struct gap_srvc_handles {
+ uint16_t srvc;
+
+ /*Characteristics */
+ uint16_t dev_name;
+ uint16_t appear;
+ uint16_t priv;
+};
+
+static struct gap_srvc_handles gap_srvc_data;
+
+#define APPEARANCE_GENERIC_PHONE 0x0040
+#define PERIPHERAL_PRIVACY_DISABLE 0x00
+
+struct req_data {
+ struct gatt_device *dev;
+ uint8_t opcode;
+};
+
+static void gap_read_cb(uint16_t handle, uint16_t offset, void *req_data,
+ void *user_data)
+{
+ uint8_t pdu[ATT_DEFAULT_LE_MTU];
+ struct req_data *data = req_data;
+ uint16_t len;
+
+ DBG("");
+
+ if (handle == gap_srvc_data.dev_name) {
+ len = enc_read_resp((uint8_t *)&device_name[0],
+ strlen(device_name), pdu, sizeof(pdu));
+ goto done;
+ }
+
+ if (handle == gap_srvc_data.appear) {
+ uint8_t val[2];
+ put_le16(APPEARANCE_GENERIC_PHONE, val);
+ len = enc_read_resp(val, sizeof(val), pdu, sizeof(pdu));
+ goto done;
+ }
+
+ if (handle == gap_srvc_data.priv) {
+ uint8_t val = PERIPHERAL_PRIVACY_DISABLE;
+ len = enc_read_resp(&val, sizeof(val), pdu, sizeof(pdu));
+ goto done;
+ }
+
+ error("gatt: Unknown handle 0x%02x", handle);
+ len = enc_error_resp(ATT_OP_READ_REQ, handle,
+ ATT_ECODE_UNLIKELY, pdu, sizeof(pdu));
+
+done:
+ g_attrib_send(data->dev->attrib, 0, pdu, len, NULL, NULL, NULL);
+}
+
+static void register_gap_service(void)
+{
+ bt_uuid_t uuid;
+
+ /*GAP UUID */
+ bt_uuid16_create(&uuid, 0x1800);
+ gap_srvc_data.srvc = gatt_db_add_service(gatt_db, &uuid, true, 7);
+
+ /* Device name characteristic */
+ bt_uuid16_create(&uuid, GATT_CHARAC_DEVICE_NAME);
+ gap_srvc_data.dev_name =
+ gatt_db_add_characteristic(gatt_db, gap_srvc_data.srvc,
+ &uuid, 0,
+ GATT_CHR_PROP_READ,
+ gap_read_cb, NULL,
+ NULL);
+
+ /* Appearance */
+ bt_uuid16_create(&uuid, GATT_CHARAC_APPEARANCE);
+ gap_srvc_data.appear =
+ gatt_db_add_characteristic(gatt_db, gap_srvc_data.srvc,
+ &uuid, 0,
+ GATT_CHR_PROP_READ,
+ gap_read_cb, NULL,
+ NULL);
+
+ /* Pripheral privacy flag */
+ bt_uuid16_create(&uuid, GATT_CHARAC_PERIPHERAL_PRIV_FLAG);
+ gap_srvc_data.priv =
+ gatt_db_add_characteristic(gatt_db, gap_srvc_data.srvc,
+ &uuid, 0,
+ GATT_CHR_PROP_READ,
+ gap_read_cb, NULL,
+ NULL);
+
+ gatt_db_service_set_active(gatt_db, gap_srvc_data.srvc , true);
+}
static int start_listen_socket(void)
{
GError *gerr = NULL;
@@ -3783,6 +3877,8 @@ bool bt_gatt_register(struct ipc *ipc, const bdaddr_t *addr)
if (start_listen_socket() < 0)
error("Could not start GATT listening");
+ register_gap_service();
+
return true;
}
--
1.8.4
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