mirror of
https://github.com/saymrwulf/uhd.git
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92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
//
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// Copyright 2014 Ettus Research LLC
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include "utils.hpp"
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#include <uhd/utils/msg.hpp>
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#include <uhd/rfnoc/sink_node_ctrl.hpp>
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#include <uhd/rfnoc/source_node_ctrl.hpp>
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using namespace uhd::rfnoc;
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size_t sink_node_ctrl::connect_upstream(
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node_ctrl_base::sptr upstream_node,
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size_t port,
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const uhd::device_addr_t &args
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) {
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boost::mutex::scoped_lock lock(_input_mutex);
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port = _request_input_port(port, args);
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_register_upstream_node(upstream_node, port);
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return port;
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}
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void sink_node_ctrl::set_tx_streamer(bool active, const size_t port)
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{
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UHD_RFNOC_BLOCK_TRACE() << "sink_node_ctrl::set_tx_streamer() " << active << " " << port << std::endl;
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/* Enable all downstream connections:
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BOOST_FOREACH(const node_ctrl_base::node_map_pair_t downstream_node, list_downstream_nodes()) {
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sptr curr_downstream_block_ctrl =
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boost::dynamic_pointer_cast<sink_node_ctrl>(downstream_node.second.lock());
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if (curr_downstream_block_ctrl) {
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curr_downstream_block_ctrl->set_tx_streamer(
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active,
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get_downstream_port(downstream_node.first)
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);
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}
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}
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*/
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// Only enable 1:1
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if (list_downstream_nodes().count(port)) {
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sink_node_ctrl::sptr this_downstream_block_ctrl =
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boost::dynamic_pointer_cast<sink_node_ctrl>(list_downstream_nodes().at(port).lock());
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if (this_downstream_block_ctrl) {
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this_downstream_block_ctrl->set_tx_streamer(
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active,
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get_downstream_port(port)
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);
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}
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}
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_tx_streamer_active[port] = active;
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}
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size_t sink_node_ctrl::_request_input_port(
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const size_t suggested_port,
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const uhd::device_addr_t &
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) const {
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return utils::node_map_find_first_free(_upstream_nodes, suggested_port);
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}
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void sink_node_ctrl::_register_upstream_node(
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node_ctrl_base::sptr upstream_node,
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size_t port
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) {
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// Do all the checks:
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if (port == ANY_PORT) {
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throw uhd::type_error("Invalid input port number.");
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}
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if (_upstream_nodes.count(port) and not _upstream_nodes[port].expired()) {
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throw uhd::runtime_error(str(boost::format("On node %s, input port %d is already connected.") % unique_id() % port));
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}
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if (not boost::dynamic_pointer_cast<source_node_ctrl>(upstream_node)) {
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throw uhd::type_error("Attempting to register a non-source block as upstream.");
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}
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// Alles klar, Herr Kommissar :)
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_upstream_nodes[port] = boost::weak_ptr<node_ctrl_base>(upstream_node);
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}
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