diff options
Diffstat (limited to 'host/include')
| -rw-r--r-- | host/include/uhd/rfnoc/node_ctrl_base.hpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/host/include/uhd/rfnoc/node_ctrl_base.hpp b/host/include/uhd/rfnoc/node_ctrl_base.hpp index c92dd3639..c94507173 100644 --- a/host/include/uhd/rfnoc/node_ctrl_base.hpp +++ b/host/include/uhd/rfnoc/node_ctrl_base.hpp @@ -1,6 +1,7 @@ // // Copyright 2014-2016 Ettus Research LLC // Copyright 2018 Ettus Research, a National Instruments Company +// Copyright 2019 Ettus Research, a National Instruments Brand // // SPDX-License-Identifier: GPL-3.0-or-later // @@ -20,6 +21,11 @@ #include <map> #include <set> +namespace uhd { namespace usrp { +// Forward declaration for friend clause +class device3_impl; +}} // namespace uhd::usrp + namespace uhd { namespace rfnoc { #define UHD_RFNOC_BLOCK_TRACE() UHD_LOGGER_TRACE("RFNOC") @@ -39,6 +45,7 @@ public: typedef boost::weak_ptr<node_ctrl_base> wptr; typedef std::map<size_t, wptr> node_map_t; typedef std::pair<size_t, wptr> node_map_pair_t; + typedef boost::function<void(void)> graph_update_cb_t; /*********************************************************************** * Node control @@ -238,7 +245,21 @@ protected: */ virtual void _register_upstream_node(node_ctrl_base::sptr upstream_node, size_t port); + /*! Initiate the update graph callback + * + * Call this from your block when you've changed one of these: + * - sampling rate + * - scaling + * - tick rate + */ + void update_graph() + { + _graph_update_cb(); + } + private: + friend class uhd::usrp::device3_impl; + /*! Implements the search algorithm for find_downstream_node() and * find_upstream_node(). * @@ -264,6 +285,11 @@ private: value_type NULL_VALUE, const std::set<boost::shared_ptr<T> >& exclude_nodes); + void set_graph_update_cb(graph_update_cb_t graph_update_cb) + { + _graph_update_cb = graph_update_cb; + } + /*! Stores the remote port number of a downstream connection. */ std::map<size_t, size_t> _upstream_ports; @@ -272,6 +298,8 @@ private: */ std::map<size_t, size_t> _downstream_ports; + graph_update_cb_t _graph_update_cb; + }; /* class node_ctrl_base */ }} /* namespace uhd::rfnoc */ |