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//
// Copyright 2019 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#pragma once
#include <uhd/rfnoc/chdr_types.hpp>
#include <uhd/rfnoc/register_iface.hpp>
#include <uhdlib/rfnoc/clock_iface.hpp>
#include <memory>
namespace uhd { namespace rfnoc {
/*! A software interface that represents a ControlPort endpoint
*
* This interface supports the following:
* - All capabilities of register_iface
* - A function to handle received packets
* - A static factory class to create these endpoints
*/
class ctrlport_endpoint : public register_iface
{
public:
using sptr = std::shared_ptr<ctrlport_endpoint>;
//! The function to call when sending a packet to a remote device
using send_fn_t = std::function<void(const chdr::ctrl_payload&, double)>;
virtual ~ctrlport_endpoint() = 0;
//! Handles an incoming control packet (request and response)
//
// \param rx_ctrl The control payload of the received packet
//
virtual void handle_recv(const chdr::ctrl_payload& rx_ctrl) = 0;
//! Creates a new register interface (ctrl_portendpoint)
//
// \param handle_send The function to call to send a control packet
// \param my_epid The endpoint ID of the SW control stream endpoint
// \param port The port number on the control crossbar
// \param buff_capacity The buffer capacity of the downstream buff in 32-bit words
// \param max_outstanding_async_msgs Max outstanding async messages allowed
// \param ctrl_clk_freq Frequency of the clock driving the ctrlport logic
// \param timebase_freq Frequency of the timebase (for timed commands)
//
static sptr make(const send_fn_t& handle_send,
sep_id_t my_epid,
uint16_t local_port,
size_t buff_capacity,
size_t max_outstanding_async_msgs,
const clock_iface& client_clk,
const clock_iface& timebase_clk);
}; // class ctrlport_endpoint
}} /* namespace uhd::rfnoc */
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