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//
// Copyright 2010-2011 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

#include "e100_ctrl.hpp"
#include "clock_ctrl.hpp"
#include "codec_ctrl.hpp"
#include "spi_core_100.hpp"
#include "i2c_core_100.hpp"
#include "rx_frontend_core_200.hpp"
#include "tx_frontend_core_200.hpp"
#include "rx_dsp_core_200.hpp"
#include "tx_dsp_core_200.hpp"
#include "time64_core_200.hpp"
#include <uhd/device.hpp>
#include <uhd/property_tree.hpp>
#include <uhd/utils/pimpl.hpp>
#include <uhd/usrp/subdev_spec.hpp>
#include <uhd/usrp/dboard_eeprom.hpp>
#include <uhd/usrp/mboard_eeprom.hpp>
#include <uhd/types/otw_type.hpp>
#include <uhd/types/clock_config.hpp>
#include <uhd/types/stream_cmd.hpp>
#include <uhd/usrp/dboard_manager.hpp>
#include <uhd/transport/zero_copy.hpp>

#ifndef INCLUDED_E100_IMPL_HPP
#define INCLUDED_E100_IMPL_HPP

uhd::transport::zero_copy_if::sptr e100_make_mmap_zero_copy(e100_ctrl::sptr iface);

static const std::string     E100_I2C_DEV_NODE = "/dev/i2c-3";
static const std::string     E100_FPGA_FILE_NAME = "usrp_e100_fpga_v2.bin";
static const boost::uint16_t E100_FPGA_COMPAT_NUM = 0x05;
static const boost::uint32_t E100_RX_SID_BASE = 2;
static const boost::uint32_t E100_TX_ASYNC_SID = 1;
static const double          E100_DEFAULT_CLOCK_RATE = 64e6;

//! load an fpga image from a bin file into the usrp-e fpga
extern void e100_load_fpga(const std::string &bin_file);

//! Make an e100 dboard interface
uhd::usrp::dboard_iface::sptr make_e100_dboard_iface(
    wb_iface::sptr wb_iface,
    uhd::i2c_iface::sptr i2c_iface,
    uhd::spi_iface::sptr spi_iface,
    e100_clock_ctrl::sptr clock,
    e100_codec_ctrl::sptr codec
);

/*!
 * USRP-E100 implementation guts:
 * The implementation details are encapsulated here.
 * Handles properties on the mboard, dboard, dsps...
 */
class e100_impl : public uhd::device{
public:
    //structors
    e100_impl(const uhd::device_addr_t &);
    ~e100_impl(void);

    //the io interface
    size_t send(const send_buffs_type &, size_t, const uhd::tx_metadata_t &, const uhd::io_type_t &, send_mode_t, double);
    size_t recv(const recv_buffs_type &, size_t, uhd::rx_metadata_t &, const uhd::io_type_t &, recv_mode_t, double);
    bool recv_async_msg(uhd::async_metadata_t &, double);
    size_t get_max_send_samps_per_packet(void) const;
    size_t get_max_recv_samps_per_packet(void) const;

private:
    uhd::property_tree::sptr _tree;

    //controllers
    spi_core_100::sptr _fpga_spi_ctrl;
    i2c_core_100::sptr _fpga_i2c_ctrl;
    rx_frontend_core_200::sptr _rx_fe;
    tx_frontend_core_200::sptr _tx_fe;
    std::vector<rx_dsp_core_200::sptr> _rx_dsps;
    tx_dsp_core_200::sptr _tx_dsp;
    time64_core_200::sptr _time64;
    e100_clock_ctrl::sptr _clock_ctrl;
    e100_codec_ctrl::sptr _codec_ctrl;
    e100_ctrl::sptr _fpga_ctrl;
    uhd::i2c_iface::sptr _dev_i2c_iface;
    uhd::spi_iface::sptr _aux_spi_iface;

    //transports
    uhd::transport::zero_copy_if::sptr _data_transport;

    //dboard stuff
    uhd::usrp::dboard_manager::sptr _dboard_manager;
    uhd::usrp::dboard_iface::sptr _dboard_iface;

    //handle io stuff
    uhd::otw_type_t _rx_otw_type, _tx_otw_type;
    UHD_PIMPL_DECL(io_impl) _io_impl;
    void io_init(void);

    //device properties interface
    void get(const wax::obj &, wax::obj &val){
        val = _tree; //entry point into property tree
    }

    double update_rx_codec_gain(const double); //sets A and B at once
    void set_mb_eeprom(const uhd::usrp::mboard_eeprom_t &);
    void set_db_eeprom(const std::string &, const uhd::usrp::dboard_eeprom_t &);
    void update_tick_rate(const double rate);
    void update_rx_samp_rate(const double rate);
    void update_tx_samp_rate(const double rate);
    void update_rx_subdev_spec(const uhd::usrp::subdev_spec_t &);
    void update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &);
    void update_clock_source(const std::string &);

};

#endif /* INCLUDED_E100_IMPL_HPP */