VILLASnode/fpga/include/villas/fpga/ips/fifo.hpp

/* Timer related helper functions
 *
 * These functions present a simpler interface to Xilinx' Timer Counter driver (XTmrCtr_*)
 *
 * Author: Steffen Vogel <post@steffenvogel.de>
 * Author: Daniel Krebs <github@daniel-krebs.net>
 * SPDX-FileCopyrightText: 2017 Steffen Vogel <post@steffenvogel.de>
 * SPDX-License-Identifier: Apache-2.0
 */

#pragma once

#include <xilinx/xllfifo.h>

#include <villas/fpga/node.hpp>

namespace villas {
namespace fpga {
namespace ip {

class Fifo : public Node {
public:
  friend class FifoFactory;

  virtual bool init() override;

  virtual bool stop() override;

  size_t write(const void *buf, size_t len);
  size_t read(void *buf, size_t len);

private:
  static constexpr char registerMemory[] = "Mem0";
  static constexpr char axi4Memory[] = "Mem1";
  static constexpr char irqName[] = "interrupt";

  std::list<MemoryBlockName> getMemoryBlocks() const {
    return {registerMemory, axi4Memory};
  }

  XLlFifo xFifo;
};

class FifoData : public Node {
  friend class FifoDataFactory;
};

} // namespace ip
} // namespace fpga
} // namespace villas