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//
// Copyright 2019 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include <uhd/convert.hpp>
#include <uhd/exception.hpp>
#include <uhd/rfnoc/addsub_block_control.hpp>
#include <uhd/rfnoc/defaults.hpp>
#include <uhd/rfnoc/property.hpp>
#include <uhd/rfnoc/registry.hpp>
#include <string>
using namespace uhd::rfnoc;
class addsub_block_control_impl : public addsub_block_control
{
public:
constexpr static size_t ARG_A_INPUT_PORT = 0;
constexpr static size_t ARG_B_INPUT_PORT = 1;
constexpr static size_t SUM_OUTPUT_PORT = 0;
constexpr static size_t DIFF_OUTPUT_PORT = 1;
RFNOC_BLOCK_CONSTRUCTOR(addsub_block_control)
{
// Ensure that the block is configured correctly, i.e., that there
// are exactly two input ports for the input data and two output
// ports, one for the sum and one for the difference data.
const size_t num_input_ports = get_num_input_ports();
const size_t num_output_ports = get_num_output_ports();
UHD_ASSERT_THROW(num_input_ports == 2);
UHD_ASSERT_THROW(num_output_ports == 2);
// Actions and properties are fanned out to all ports on the
// opposite side from which they are received.
set_prop_forwarding_policy(forwarding_policy_t::ONE_TO_FAN);
set_action_forwarding_policy(forwarding_policy_t::ONE_TO_FAN);
// Register the block's edge type properties.
register_property(&_prop_type_in_a);
register_property(&_prop_type_in_b);
register_property(&_prop_type_out_sum);
register_property(&_prop_type_out_diff);
// Add resolvers for edge port types to keep them at sc16, which is
// the only data type that this add/sub block can handle.
add_property_resolver({&_prop_type_in_a}, {&_prop_type_in_a}, [this]() {
_prop_type_in_a.set(IO_TYPE_SC16);
});
add_property_resolver({&_prop_type_in_b}, {&_prop_type_in_b}, [this]() {
_prop_type_in_b.set(IO_TYPE_SC16);
});
add_property_resolver({&_prop_type_out_sum}, {&_prop_type_out_sum}, [this]() {
_prop_type_out_sum.set(IO_TYPE_SC16);
});
add_property_resolver({&_prop_type_out_diff}, {&_prop_type_out_diff}, [this]() {
_prop_type_out_diff.set(IO_TYPE_SC16);
});
}
private:
/**************************************************************************
* Attributes
*************************************************************************/
property_t<std::string> _prop_type_in_a = property_t<std::string>{
PROP_KEY_TYPE, IO_TYPE_SC16, {res_source_info::INPUT_EDGE, ARG_A_INPUT_PORT}};
property_t<std::string> _prop_type_in_b = property_t<std::string>{
PROP_KEY_TYPE, IO_TYPE_SC16, {res_source_info::INPUT_EDGE, ARG_B_INPUT_PORT}};
property_t<std::string> _prop_type_out_sum = property_t<std::string>{
PROP_KEY_TYPE, IO_TYPE_SC16, {res_source_info::OUTPUT_EDGE, SUM_OUTPUT_PORT}};
property_t<std::string> _prop_type_out_diff = property_t<std::string>{
PROP_KEY_TYPE, IO_TYPE_SC16, {res_source_info::OUTPUT_EDGE, DIFF_OUTPUT_PORT}};
};
UHD_RFNOC_BLOCK_REGISTER_DIRECT(
addsub_block_control, ADDSUB_BLOCK, "AddSub", CLOCK_KEY_GRAPH, "bus_clk")
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