C++ (Cpp) bt_conn_le_conn_updateの例

コード例 #1

ファイル: conn.c プロジェクト: 32bitmicro/zephyr

int bt_conn_le_param_update(struct bt_conn *conn,
			    const struct bt_le_conn_param *param)
{
	BT_DBG("conn %p features 0x%x params (%d-%d %d %d)", conn,
	       conn->le.features[0], param->interval_min, param->interval_max,
	       param->latency, param->timeout);

	/* Check if there's a need to update conn params */
	if (conn->le.interval >= param->interval_min &&
	    conn->le.interval <= param->interval_max) {
		return -EALREADY;
	}

	if ((conn->role == BT_HCI_ROLE_SLAVE) &&
	    !(bt_dev.le.features[0] & BT_HCI_LE_CONN_PARAM_REQ_PROC)) {
		return bt_l2cap_update_conn_param(conn, param);
	}

	if ((conn->le.features[0] & BT_HCI_LE_CONN_PARAM_REQ_PROC) &&
	    (bt_dev.le.features[0] & BT_HCI_LE_CONN_PARAM_REQ_PROC)) {
		return bt_conn_le_conn_update(conn, param);
	}

	return -EBUSY;
}

コード例 #2

ファイル: l2cap.c プロジェクト: hudkmr/zephyr

static void le_conn_param_update_req(struct bt_l2cap *l2cap, uint8_t ident,
				     struct net_buf *buf)
{
	struct bt_conn *conn = l2cap->chan.chan.conn;
	const struct bt_le_conn_param *param;
	uint16_t min, max, latency, timeout;
	bool params_valid;
	struct bt_l2cap_sig_hdr *hdr;
	struct bt_l2cap_conn_param_rsp *rsp;
	struct bt_l2cap_conn_param_req *req = (void *)buf->data;

	if (buf->len < sizeof(*req)) {
		BT_ERR("Too small LE conn update param req");
		return;
	}

	if (conn->role != BT_HCI_ROLE_MASTER) {
		l2cap_send_reject(conn, ident, BT_L2CAP_REJ_NOT_UNDERSTOOD,
				  NULL, 0);
		return;
	}

	min = sys_le16_to_cpu(req->min_interval);
	max = sys_le16_to_cpu(req->max_interval);
	latency = sys_le16_to_cpu(req->latency);
	timeout = sys_le16_to_cpu(req->timeout);
	param = BT_LE_CONN_PARAM(min, max, latency, timeout);

	BT_DBG("min 0x%4.4x max 0x%4.4x latency: 0x%4.4x timeout: 0x%4.4x",
	       min, max, latency, timeout);

	buf = bt_l2cap_create_pdu(&le_sig);
	if (!buf) {
		return;
	}

	params_valid = bt_le_conn_params_valid(min, max, latency, timeout);

	hdr = net_buf_add(buf, sizeof(*hdr));
	hdr->code = BT_L2CAP_CONN_PARAM_RSP;
	hdr->ident = ident;
	hdr->len = sys_cpu_to_le16(sizeof(*rsp));

	rsp = net_buf_add(buf, sizeof(*rsp));
	if (params_valid) {
		rsp->result = sys_cpu_to_le16(BT_L2CAP_CONN_PARAM_ACCEPTED);
	} else {
		rsp->result = sys_cpu_to_le16(BT_L2CAP_CONN_PARAM_REJECTED);
	}

	bt_l2cap_send(l2cap->chan.chan.conn, BT_L2CAP_CID_LE_SIG, buf);

	if (params_valid) {
		bt_conn_le_conn_update(conn, param);
	}
}

コード例 #3

ファイル: l2cap.c プロジェクト: cyysu/AliOS-Things

static void le_conn_param_update_req(struct bt_l2cap *l2cap, uint8_t ident,
				     struct net_buf *buf)
{
	struct bt_conn *conn = l2cap->chan.chan.conn;
	struct bt_le_conn_param param;
	struct bt_l2cap_conn_param_rsp *rsp;
	struct bt_l2cap_conn_param_req *req = (void *)buf->data;
	bool accepted;

	if (buf->len < sizeof(*req)) {
		BT_ERR("Too small LE conn update param req");
		return;
	}

	if (conn->role != BT_HCI_ROLE_MASTER) {
		l2cap_send_reject(conn, ident, BT_L2CAP_REJ_NOT_UNDERSTOOD,
				  NULL, 0);
		return;
	}

	param.interval_min = sys_le16_to_cpu(req->min_interval);
	param.interval_max = sys_le16_to_cpu(req->max_interval);
	param.latency = sys_le16_to_cpu(req->latency);
	param.timeout = sys_le16_to_cpu(req->timeout);

	BT_DBG("min 0x%04x max 0x%04x latency: 0x%04x timeout: 0x%04x",
	       param.interval_min, param.interval_max, param.latency,
	       param.timeout);

	buf = l2cap_create_le_sig_pdu(BT_L2CAP_CONN_PARAM_RSP, ident,
				      sizeof(*rsp));

	accepted = le_param_req(conn, &param);

	rsp = net_buf_add(buf, sizeof(*rsp));
	if (accepted) {
		rsp->result = sys_cpu_to_le16(BT_L2CAP_CONN_PARAM_ACCEPTED);
	} else {
		rsp->result = sys_cpu_to_le16(BT_L2CAP_CONN_PARAM_REJECTED);
	}

	bt_l2cap_send(conn, BT_L2CAP_CID_LE_SIG, buf);

	if (accepted) {
		bt_conn_le_conn_update(conn, &param);
	}
}