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//
// Copyright 2019 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_LIBUHD_TESTS_MOCK_NODES_HPP
#define INCLUDED_LIBUHD_TESTS_MOCK_NODES_HPP
#include <uhd/rfnoc/node.hpp>
using namespace uhd::rfnoc;
constexpr int MAX_DECIM = 512;
constexpr double DEFAULT_RATE = 1e9;
constexpr int DEFAULT_DECIM = 1;
/*! Mock Radio node
*
* - "Full Duplex"
* - Has two master clock rates: 100e6 and 200e6
* - RSSI is a read-only prop that always needs updating
*/
class mock_radio_node_t : public node_t
{
public:
mock_radio_node_t(const size_t radio_idx) : _radio_idx(radio_idx)
{
register_property(&_samp_rate_in);
register_property(&_samp_rate_out);
register_property(&_master_clock_rate);
register_property(&_rssi);
// Resolver for the input rate: We don't actually try and be clever, we
// always reset the rate back to the TX rate.
add_property_resolver({&_samp_rate_in},
{&_samp_rate_in},
[& samp_rate_in = _samp_rate_in,
&master_clock_rate = _master_clock_rate,
this]() {
UHD_LOG_INFO(get_unique_id(), " Calling resolver for `samp_rate_in'...");
samp_rate_in = master_clock_rate.get();
});
add_property_resolver({&_samp_rate_out},
{&_samp_rate_out},
[this]() {
UHD_LOG_INFO(get_unique_id(), " Calling resolver for `samp_rate_out'...");
if (this->disable_samp_out_resolver) {
_samp_rate_out = this->force_samp_out_value;
UHD_LOG_DEBUG(get_unique_id(),
"Forcing samp_rate_out to " << _samp_rate_out.get());
return;
}
this->_samp_rate_out = this->_master_clock_rate.get();
});
add_property_resolver({&_master_clock_rate},
{&_master_clock_rate, &_samp_rate_in, &_samp_rate_out},
[& samp_rate_out = _samp_rate_out,
&samp_rate_in = _samp_rate_in,
&master_clock_rate = _master_clock_rate,
this]() {
UHD_LOG_INFO(get_unique_id(), " Calling resolver for `master_clock_rate'...");
if (_master_clock_rate.get() > 150e6) {
_master_clock_rate = 200e6;
} else {
_master_clock_rate = 100e6;
}
_samp_rate_in = _master_clock_rate.get();
if (!this->disable_samp_out_resolver) {
_samp_rate_out = _master_clock_rate.get();
} else {
_samp_rate_out = this->force_samp_out_value;
UHD_LOG_DEBUG(get_unique_id(),
"Forcing samp_rate_out to " << _samp_rate_out.get());
}
});
// By depending on ALWAYS_DIRTY, this property is always updated:
add_property_resolver({&ALWAYS_DIRTY},
{&_rssi},
[this]() {
UHD_LOG_INFO(get_unique_id(), " Calling resolver for `rssi'...");
rssi_resolver_count++;
_rssi = static_cast<double>(rssi_resolver_count);
});
}
std::string get_unique_id() const { return "MOCK_RADIO" + std::to_string(_radio_idx); }
size_t get_num_input_ports() const
{
return 1;
}
size_t get_num_output_ports() const
{
return 1;
}
// Some public attributes that help debugging
size_t rssi_resolver_count = 0;
bool disable_samp_out_resolver = false;
double force_samp_out_value = 23e6;
private:
const size_t _radio_idx;
property_t<double> _samp_rate_in{
"samp_rate", 200e6, {res_source_info::INPUT_EDGE}};
property_t<double> _samp_rate_out{
"samp_rate", 200e6, {res_source_info::OUTPUT_EDGE}};
property_t<double> _master_clock_rate{
"master_clock_rate", 200e6, {res_source_info::USER}};
property_t<double> _rssi{"rssi", 0, {res_source_info::USER}};
};
/*! Mock DDC node
*
* - Single channel
* - Does simple coercion of decimation
* - Keeps output and input rates consistent with decimation
*/
class mock_ddc_node_t : public node_t
{
public:
mock_ddc_node_t()
{
register_property(&_samp_rate_in);
register_property(&_samp_rate_out);
register_property(&_decim);
// Resolver for _decim: This gets executed when the user directly
// modifies _decim. The desired behaviour is to coerce it first, then
// keep the input rate constant, and re-calculate the output rate.
add_property_resolver({&_decim},
{&_decim, &_samp_rate_out},
[& decim = _decim,
&samp_rate_out = _samp_rate_out,
&samp_rate_in = _samp_rate_in]() {
UHD_LOG_INFO("MOCK DDC", "Calling resolver for `decim'...");
decim = coerce_decim(decim.get());
samp_rate_out = samp_rate_in.get() / decim.get();
});
// Resolver for the input rate: We try and match decim so that the output
// rate is not modified. If decim needs to be coerced, only then the
// output rate is modified.
add_property_resolver({&_samp_rate_in},
{&_decim, &_samp_rate_out},
[& decim = _decim,
&samp_rate_out = _samp_rate_out,
&samp_rate_in = _samp_rate_in]() {
UHD_LOG_INFO("MOCK DDC", "Calling resolver for `samp_rate_in'...");
decim = coerce_decim(int(samp_rate_in.get() / samp_rate_out.get()));
samp_rate_out = samp_rate_in.get() / decim.get();
});
// Resolver for the output rate: Like the previous one, but flipped.
add_property_resolver({&_samp_rate_out},
{&_decim, &_samp_rate_in},
[& decim = _decim,
&samp_rate_out = _samp_rate_out,
&samp_rate_in = _samp_rate_in]() {
UHD_LOG_INFO("MOCK DDC", "Calling resolver for `samp_rate_out'...");
decim = coerce_decim(int(samp_rate_in.get() / samp_rate_out.get()));
samp_rate_in = samp_rate_out.get() * decim.get();
});
}
std::string get_unique_id() const { return "MOCK_DDC"; }
size_t get_num_input_ports() const
{
return 1;
}
size_t get_num_output_ports() const
{
return 1;
}
// Simplified coercer: Let's pretend like we can hit all even rates or 1
// for all rates <= MAX_DECIM
static int coerce_decim(const int requested_decim)
{
if (requested_decim <= 1) {
return 1;
}
return std::min(requested_decim - (requested_decim % 2), MAX_DECIM);
}
// We make the properties global so we can inspect them, but that's not what
// your supposed to do. However, we do keep the underscore notation, since that's
// what they be called if they were in the class like they're supposed to.
property_t<double> _samp_rate_in{
"samp_rate", DEFAULT_RATE, {res_source_info::INPUT_EDGE}};
property_t<double> _samp_rate_out{
"samp_rate", DEFAULT_RATE, {res_source_info::OUTPUT_EDGE}};
property_t<int> _decim{"decim", DEFAULT_DECIM, {res_source_info::USER}};
private:
// This is where you normally put the properties
};
/*! FIFO
*
* Not much here -- we use it to test dynamic prop forwarding.
*/
class mock_fifo_t : public node_t
{
public:
mock_fifo_t(const size_t num_ports) : _num_ports(num_ports)
{
set_prop_forwarding_policy(forwarding_policy_t::ONE_TO_ONE);
}
std::string get_unique_id() const { return "MOCK_FIFO"; }
size_t get_num_input_ports() const
{
return _num_ports;
}
size_t get_num_output_ports() const
{
return _num_ports;
}
private:
const size_t _num_ports;
};
#endif /* INCLUDED_LIBUHD_TESTS_MOCK_NODES_HPP */
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