uhd: Removed drivers for E100/E110

The E1x0 series is still supported on the 3.9 LTS branch.

1 files changed, 0 insertions, 565 deletions

diff --git a/host/lib/usrp/e100/e100_impl.cpp b/host/lib/usrp/e100/e100_impl.cpp
deleted file mode 100644
index 7ee9dccbd..000000000
--- a/host/lib/usrp/e100/e100_impl.cpp
+++ /dev/null
@@ -1,565 +0,0 @@
-//
-// Copyright 2010-2012,2014-2015 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 "apply_corrections.hpp"
-#include "e100_impl.hpp"
-#include "e100_regs.hpp"
-#include <uhd/utils/log.hpp>
-#include <uhd/exception.hpp>
-#include <uhd/utils/static.hpp>
-#include <uhd/utils/paths.hpp>
-#include <boost/bind.hpp>
-#include <boost/format.hpp>
-#include <boost/filesystem.hpp>
-#include <boost/functional/hash.hpp>
-#include <boost/assign/list_of.hpp>
-#include <fstream>
-#include <iostream>
-#include <ctime>
-
-using namespace uhd;
-using namespace uhd::usrp;
-namespace fs = boost::filesystem;
-
-////////////////////////////////////////////////////////////////////////
-// I2C addresses
-////////////////////////////////////////////////////////////////////////
-#define I2C_DEV_EEPROM  0x50 // 24LC02[45]:  7-bits 1010xxx
-#define	I2C_ADDR_MBOARD (I2C_DEV_EEPROM | 0x0)
-#define	I2C_ADDR_TX_DB  (I2C_DEV_EEPROM | 0x4)
-#define	I2C_ADDR_RX_DB  (I2C_DEV_EEPROM | 0x5)
-
-/***********************************************************************
- * Discovery
- **********************************************************************/
-device_addrs_t e100_find(const device_addr_t &hint){
-    device_addrs_t e100_addrs;
-
-    //return an empty list of addresses when type is set to non-usrp-e
-    if (hint.has_key("type") and hint["type"] != "e100") return e100_addrs;
-
-    //Return an empty list of addresses when a resource is specified,
-    //since a resource is intended for a different, non-USB, device.
-    if (hint.has_key("resource")) return e100_addrs;
-
-    //device node not provided, assume its 0
-    if (not hint.has_key("node")){
-        device_addr_t new_addr = hint;
-        new_addr["node"] = "/dev/usrp_e0";
-        return e100_find(new_addr);
-    }
-
-    //use the given device node name
-    if (fs::exists(hint["node"])){
-        device_addr_t new_addr;
-        new_addr["type"] = "e100";
-        new_addr["node"] = fs::system_complete(fs::path(hint["node"])).string();
-        try{
-            i2c_iface::sptr i2c_iface = e100_ctrl::make_dev_i2c_iface(E100_I2C_DEV_NODE);
-            const mboard_eeprom_t mb_eeprom = get_mb_eeprom(i2c_iface);
-
-            new_addr["name"] = mb_eeprom["name"];
-            new_addr["serial"] = mb_eeprom["serial"];
-        }
-        catch(const std::exception &e){
-            new_addr["name"] = "";
-            new_addr["serial"] = "";
-        }
-        if (
-            (not hint.has_key("name")   or hint["name"]   == new_addr["name"]) and
-            (not hint.has_key("serial") or hint["serial"] == new_addr["serial"])
-        ){
-            e100_addrs.push_back(new_addr);
-        }
-    }
-
-    return e100_addrs;
-}
-
-/***********************************************************************
- * Make
- **********************************************************************/
-static device::sptr e100_make(const device_addr_t &device_addr){
-    return device::sptr(new e100_impl(device_addr));
-}
-
-UHD_STATIC_BLOCK(register_e100_device){
-    device::register_device(&e100_find, &e100_make, device::USRP);
-}
-
-static const uhd::dict<std::string, std::string> model_to_fpga_file_name = boost::assign::map_list_of
-    ("E100", "usrp_e100_fpga_v2.bin")
-    ("E110", "usrp_e110_fpga.bin")
-;
-
-std::string get_default_e1x0_fpga_image(const uhd::device_addr_t &device_addr){
-    //read the eeprom so we can determine the hardware
-    uhd::i2c_iface::sptr dev_i2c_iface = e100_ctrl::make_dev_i2c_iface(E100_I2C_DEV_NODE);
-    const mboard_eeprom_t mb_eeprom = e100_impl::get_mb_eeprom(dev_i2c_iface);
-
-    //determine the model string for this device
-    const std::string model = device_addr.get("model", mb_eeprom.get("model", ""));
-    if (not model_to_fpga_file_name.has_key(model)) throw uhd::runtime_error(str(boost::format(
-        "\n"
-        "  The specified model string \"%s\" is not recognized.\n"
-        "  Perhaps the EEPROM is uninitialized, missing, or damaged.\n"
-        "  Or, a monitor is pirating the I2C address of the EEPROM.\n"
-    ) % model));
-
-    //extract the fpga path and compute hash
-    return model_to_fpga_file_name[model];
-}
-
-/***********************************************************************
- * Structors
- **********************************************************************/
-e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
-    _tree = property_tree::make();
-    _type = device::USRP;
-    _ignore_cal_file = device_addr.has_key("ignore-cal-file");
-
-    _dev_i2c_iface = e100_ctrl::make_dev_i2c_iface(E100_I2C_DEV_NODE);
-    const mboard_eeprom_t mb_eeprom = get_mb_eeprom(_dev_i2c_iface);
-    const std::string default_fpga_file_name =
-        get_default_e1x0_fpga_image(device_addr);
-    const std::string model = device_addr["model"];
-    std::string e100_fpga_image;
-    try{
-        e100_fpga_image = find_image_path(device_addr.get("fpga", default_fpga_file_name));
-    }
-    catch(...){
-        UHD_LOGGER_ERROR("E100") << boost::format("Could not find FPGA image. %s") % print_utility_error("uhd_images_downloader.py");
-        throw;
-    }
-    e100_load_fpga(e100_fpga_image);
-
-    ////////////////////////////////////////////////////////////////////
-    // Setup the FPGA clock over AUX SPI
-    ////////////////////////////////////////////////////////////////////
-    bool dboard_clocks_diff = true;
-    if      (mb_eeprom.get("revision", "0") == "3") dboard_clocks_diff = false;
-    else if (mb_eeprom.get("revision", "0") == "4") dboard_clocks_diff = true;
-    else UHD_LOGGER_WARNING("E100")
-        << "Unknown E1XX revision number!\n"
-        << "defaulting to differential dboard clocks to be safe.\n"
-        ;
-    const double master_clock_rate = device_addr.cast<double>("master_clock_rate", E100_DEFAULT_CLOCK_RATE);
-    _aux_spi_iface = e100_ctrl::make_aux_spi_iface();
-    _clock_ctrl = e100_clock_ctrl::make(_aux_spi_iface, master_clock_rate, dboard_clocks_diff);
-
-    ////////////////////////////////////////////////////////////////////
-    // setup the main interface into fpga
-    //  - do this after aux spi, because we share gpio147
-    ////////////////////////////////////////////////////////////////////
-    const std::string node = device_addr["node"];
-    _fpga_ctrl = e100_ctrl::make(node);
-
-    ////////////////////////////////////////////////////////////////////
-    // Initialize FPGA control communication
-    ////////////////////////////////////////////////////////////////////
-    fifo_ctrl_excelsior_config fifo_ctrl_config;
-    fifo_ctrl_config.async_sid_base = E100_TX_ASYNC_SID;
-    fifo_ctrl_config.num_async_chan = 1;
-    fifo_ctrl_config.ctrl_sid_base = E100_CTRL_MSG_SID;
-    fifo_ctrl_config.spi_base = TOREG(SR_SPI);
-    fifo_ctrl_config.spi_rb = REG_RB_SPI;
-    _fifo_ctrl = fifo_ctrl_excelsior::make(_fpga_ctrl, fifo_ctrl_config);
-
-    //Perform wishbone readback tests, these tests also write the hash
-    bool test_fail = false;
-    UHD_LOGGER_INFO("E100") << "Performing control readback test... ";
-    size_t hash = time(NULL);
-    for (size_t i = 0; i < 100; i++){
-        boost::hash_combine(hash, i);
-        _fifo_ctrl->poke32(TOREG(SR_MISC+0), uint32_t(hash));
-        test_fail = _fifo_ctrl->peek32(REG_RB_CONFIG0) != uint32_t(hash);
-        if (test_fail) break; //exit loop on any failure
-    }
-    UHD_LOGGER_INFO("E100") << "Control readback test " << ((test_fail)? "failed" : "passed");
-
-    if (test_fail) UHD_LOGGER_ERROR("E100") << boost::format(
-        "The FPGA is either clocked improperly "
-        "or the FPGA build is not compatible. "
-        "Subsequent errors may follow..."
-    );
-
-    //check that the compatibility is correct
-    this->check_fpga_compat();
-
-    ////////////////////////////////////////////////////////////////////
-    // Create controller objects
-    ////////////////////////////////////////////////////////////////////
-    _fpga_i2c_ctrl = i2c_core_200::make(_fifo_ctrl, TOREG(SR_I2C), REG_RB_I2C);
-    _data_transport = e100_make_mmap_zero_copy(_fpga_ctrl);
-
-    ////////////////////////////////////////////////////////////////////
-    // Initialize the properties tree
-    ////////////////////////////////////////////////////////////////////
-    _tree->create<std::string>("/name").set("E-Series Device");
-    const fs_path mb_path = "/mboards/0";
-    _tree->create<std::string>(mb_path / "name").set(model);
-    _tree->create<std::string>(mb_path / "codename").set("Euwanee");
-
-    ////////////////////////////////////////////////////////////////////
-    // setup the mboard eeprom
-    ////////////////////////////////////////////////////////////////////
-    _tree->create<mboard_eeprom_t>(mb_path / "eeprom")
-        .set(mb_eeprom)
-        .add_coerced_subscriber(boost::bind(&e100_impl::set_mb_eeprom, this, _1));
-
-    ////////////////////////////////////////////////////////////////////
-    // create clock control objects
-    ////////////////////////////////////////////////////////////////////
-    //^^^ clock created up top, just reg props here... ^^^
-    _tree->create<double>(mb_path / "tick_rate")
-        .set_publisher(boost::bind(&e100_clock_ctrl::get_fpga_clock_rate, _clock_ctrl))
-        .add_coerced_subscriber(boost::bind(&fifo_ctrl_excelsior::set_tick_rate, _fifo_ctrl, _1))
-        .add_coerced_subscriber(boost::bind(&e100_impl::update_tick_rate, this, _1));
-
-    //add_coerced_subscriber the command time while we are at it
-    _tree->create<time_spec_t>(mb_path / "time/cmd")
-        .add_coerced_subscriber(boost::bind(&fifo_ctrl_excelsior::set_time, _fifo_ctrl, _1));
-
-    ////////////////////////////////////////////////////////////////////
-    // create codec control objects
-    ////////////////////////////////////////////////////////////////////
-    _codec_ctrl = e100_codec_ctrl::make(_fifo_ctrl/*spi*/);
-    const fs_path rx_codec_path = mb_path / "rx_codecs/A";
-    const fs_path tx_codec_path = mb_path / "tx_codecs/A";
-    _tree->create<std::string>(rx_codec_path / "name").set("ad9522");
-    _tree->create<meta_range_t>(rx_codec_path / "gains/pga/range").set(e100_codec_ctrl::rx_pga_gain_range);
-    _tree->create<double>(rx_codec_path / "gains/pga/value")
-        .set_coercer(boost::bind(&e100_impl::update_rx_codec_gain, this, _1));
-    _tree->create<std::string>(tx_codec_path / "name").set("ad9522");
-    _tree->create<meta_range_t>(tx_codec_path / "gains/pga/range").set(e100_codec_ctrl::tx_pga_gain_range);
-    _tree->create<double>(tx_codec_path / "gains/pga/value")
-        .add_coerced_subscriber(boost::bind(&e100_codec_ctrl::set_tx_pga_gain, _codec_ctrl, _1))
-        .set_publisher(boost::bind(&e100_codec_ctrl::get_tx_pga_gain, _codec_ctrl));
-
-    ////////////////////////////////////////////////////////////////////
-    // and do the misc mboard sensors
-    ////////////////////////////////////////////////////////////////////
-    _tree->create<sensor_value_t>(mb_path / "sensors/ref_locked")
-        .set_publisher(boost::bind(&e100_impl::get_ref_locked, this));
-
-    ////////////////////////////////////////////////////////////////////
-    // Create the GPSDO control
-    ////////////////////////////////////////////////////////////////////
-    static const fs::path GPSDO_VOLATILE_PATH("/media/ram/e100_internal_gpsdo.cache");
-    if (not fs::exists(GPSDO_VOLATILE_PATH))
-    {
-        UHD_LOGGER_INFO("E100") << "Detecting internal GPSDO.... ";
-        try{
-            _gps = gps_ctrl::make(e100_ctrl::make_gps_uart_iface(E100_UART_DEV_NODE));
-        }
-        catch(std::exception &e){
-            UHD_LOGGER_ERROR("E100") << "An error occurred making GPSDO control: " << e.what();
-        }
-        if (_gps and _gps->gps_detected())
-        {
-            for(const std::string &name:  _gps->get_sensors())
-            {
-                _tree->create<sensor_value_t>(mb_path / "sensors" / name)
-                    .set_publisher(boost::bind(&gps_ctrl::get_sensor, _gps, name));
-            }
-        }
-        else
-        {
-            std::ofstream(GPSDO_VOLATILE_PATH.string().c_str(), std::ofstream::binary) << "42" << std::endl;
-        }
-    }
-
-    ////////////////////////////////////////////////////////////////////
-    // create frontend control objects
-    ////////////////////////////////////////////////////////////////////
-    _rx_fe = rx_frontend_core_200::make(_fifo_ctrl, TOREG(SR_RX_FE));
-    _tx_fe = tx_frontend_core_200::make(_fifo_ctrl, TOREG(SR_TX_FE));
-
-    _tree->create<subdev_spec_t>(mb_path / "rx_subdev_spec")
-        .add_coerced_subscriber(boost::bind(&e100_impl::update_rx_subdev_spec, this, _1));
-    _tree->create<subdev_spec_t>(mb_path / "tx_subdev_spec")
-        .add_coerced_subscriber(boost::bind(&e100_impl::update_tx_subdev_spec, this, _1));
-
-    const fs_path rx_fe_path = mb_path / "rx_frontends" / "A";
-    const fs_path tx_fe_path = mb_path / "tx_frontends" / "A";
-
-    _tree->create<std::complex<double> >(rx_fe_path / "dc_offset" / "value")
-        .set_coercer(boost::bind(&rx_frontend_core_200::set_dc_offset, _rx_fe, _1))
-        .set(std::complex<double>(0.0, 0.0));
-    _tree->create<bool>(rx_fe_path / "dc_offset" / "enable")
-        .add_coerced_subscriber(boost::bind(&rx_frontend_core_200::set_dc_offset_auto, _rx_fe, _1))
-        .set(true);
-    _tree->create<std::complex<double> >(rx_fe_path / "iq_balance" / "value")
-        .add_coerced_subscriber(boost::bind(&rx_frontend_core_200::set_iq_balance, _rx_fe, _1))
-        .set(std::complex<double>(0.0, 0.0));
-    _tree->create<std::complex<double> >(tx_fe_path / "dc_offset" / "value")
-        .set_coercer(boost::bind(&tx_frontend_core_200::set_dc_offset, _tx_fe, _1))
-        .set(std::complex<double>(0.0, 0.0));
-    _tree->create<std::complex<double> >(tx_fe_path / "iq_balance" / "value")
-        .add_coerced_subscriber(boost::bind(&tx_frontend_core_200::set_iq_balance, _tx_fe, _1))
-        .set(std::complex<double>(0.0, 0.0));
-
-    ////////////////////////////////////////////////////////////////////
-    // create rx dsp control objects
-    ////////////////////////////////////////////////////////////////////
-    const size_t num_rx_dsps = _fifo_ctrl->peek32(REG_RB_NUM_RX_DSP);
-    for (size_t dspno = 0; dspno < num_rx_dsps; dspno++)
-    {
-        const size_t sr_off = dspno*32;
-        _rx_dsps.push_back(rx_dsp_core_200::make(
-            _fifo_ctrl,
-            TOREG(SR_RX_DSP0+sr_off),
-            TOREG(SR_RX_CTRL0+sr_off),
-            E100_RX_SID_BASE + dspno
-        ));
-
-        _rx_dsps[dspno]->set_link_rate(E100_RX_LINK_RATE_BPS);
-        _tree->access<double>(mb_path / "tick_rate")
-            .add_coerced_subscriber(boost::bind(&rx_dsp_core_200::set_tick_rate, _rx_dsps[dspno], _1));
-        fs_path rx_dsp_path = mb_path / str(boost::format("rx_dsps/%u") % dspno);
-        _tree->create<meta_range_t>(rx_dsp_path / "rate/range")
-            .set_publisher(boost::bind(&rx_dsp_core_200::get_host_rates, _rx_dsps[dspno]));
-        _tree->create<double>(rx_dsp_path / "rate/value")
-            .set(1e6) //some default
-            .set_coercer(boost::bind(&rx_dsp_core_200::set_host_rate, _rx_dsps[dspno], _1))
-            .add_coerced_subscriber(boost::bind(&e100_impl::update_rx_samp_rate, this, dspno, _1));
-        _tree->create<double>(rx_dsp_path / "freq/value")
-            .set_coercer(boost::bind(&rx_dsp_core_200::set_freq, _rx_dsps[dspno], _1));
-        _tree->create<meta_range_t>(rx_dsp_path / "freq/range")
-            .set_publisher(boost::bind(&rx_dsp_core_200::get_freq_range, _rx_dsps[dspno]));
-        _tree->create<stream_cmd_t>(rx_dsp_path / "stream_cmd")
-            .add_coerced_subscriber(boost::bind(&rx_dsp_core_200::issue_stream_command, _rx_dsps[dspno], _1));
-    }
-
-    ////////////////////////////////////////////////////////////////////
-    // create tx dsp control objects
-    ////////////////////////////////////////////////////////////////////
-    _tx_dsp = tx_dsp_core_200::make(
-        _fifo_ctrl, TOREG(SR_TX_DSP), TOREG(SR_TX_CTRL), E100_TX_ASYNC_SID
-    );
-    _tx_dsp->set_link_rate(E100_TX_LINK_RATE_BPS);
-    _tree->access<double>(mb_path / "tick_rate")
-        .add_coerced_subscriber(boost::bind(&tx_dsp_core_200::set_tick_rate, _tx_dsp, _1));
-    _tree->create<meta_range_t>(mb_path / "tx_dsps/0/rate/range")
-        .set_publisher(boost::bind(&tx_dsp_core_200::get_host_rates, _tx_dsp));
-    _tree->create<double>(mb_path / "tx_dsps/0/rate/value")
-        .set(1e6) //some default
-        .set_coercer(boost::bind(&tx_dsp_core_200::set_host_rate, _tx_dsp, _1))
-        .add_coerced_subscriber(boost::bind(&e100_impl::update_tx_samp_rate, this, 0, _1));
-    _tree->create<double>(mb_path / "tx_dsps/0/freq/value")
-        .set_coercer(boost::bind(&tx_dsp_core_200::set_freq, _tx_dsp, _1));
-    _tree->create<meta_range_t>(mb_path / "tx_dsps/0/freq/range")
-        .set_publisher(boost::bind(&tx_dsp_core_200::get_freq_range, _tx_dsp));
-
-    ////////////////////////////////////////////////////////////////////
-    // create time control objects
-    ////////////////////////////////////////////////////////////////////
-    time64_core_200::readback_bases_type time64_rb_bases;
-    time64_rb_bases.rb_hi_now = REG_RB_TIME_NOW_HI;
-    time64_rb_bases.rb_lo_now = REG_RB_TIME_NOW_LO;
-    time64_rb_bases.rb_hi_pps = REG_RB_TIME_PPS_HI;
-    time64_rb_bases.rb_lo_pps = REG_RB_TIME_PPS_LO;
-    _time64 = time64_core_200::make(
-        _fifo_ctrl, TOREG(SR_TIME64), time64_rb_bases
-    );
-    _tree->access<double>(mb_path / "tick_rate")
-        .add_coerced_subscriber(boost::bind(&time64_core_200::set_tick_rate, _time64, _1));
-    _tree->create<time_spec_t>(mb_path / "time/now")
-        .set_publisher(boost::bind(&time64_core_200::get_time_now, _time64))
-        .add_coerced_subscriber(boost::bind(&time64_core_200::set_time_now, _time64, _1));
-    _tree->create<time_spec_t>(mb_path / "time/pps")
-        .set_publisher(boost::bind(&time64_core_200::get_time_last_pps, _time64))
-        .add_coerced_subscriber(boost::bind(&time64_core_200::set_time_next_pps, _time64, _1));
-    //setup time source props
-    _tree->create<std::string>(mb_path / "time_source/value")
-        .add_coerced_subscriber(boost::bind(&time64_core_200::set_time_source, _time64, _1));
-    _tree->create<std::vector<std::string> >(mb_path / "time_source/options")
-        .set_publisher(boost::bind(&time64_core_200::get_time_sources, _time64));
-    //setup reference source props
-    _tree->create<std::string>(mb_path / "clock_source/value")
-        .add_coerced_subscriber(boost::bind(&e100_impl::update_clock_source, this, _1));
-    std::vector<std::string> clock_sources = boost::assign::list_of("internal")("external")("auto");
-    if (_gps and _gps->gps_detected()) clock_sources.push_back("gpsdo");
-    _tree->create<std::vector<std::string> >(mb_path / "clock_source/options").set(clock_sources);
-
-    ////////////////////////////////////////////////////////////////////
-    // create user-defined control objects
-    ////////////////////////////////////////////////////////////////////
-    _user = user_settings_core_200::make(_fifo_ctrl, TOREG(SR_USER_REGS));
-    _tree->create<user_settings_core_200::user_reg_t>(mb_path / "user/regs")
-        .add_coerced_subscriber(boost::bind(&user_settings_core_200::set_reg, _user, _1));
-
-    ////////////////////////////////////////////////////////////////////
-    // create dboard control objects
-    ////////////////////////////////////////////////////////////////////
-
-    //read the dboard eeprom to extract the dboard ids
-    dboard_eeprom_t rx_db_eeprom, tx_db_eeprom, gdb_eeprom;
-    rx_db_eeprom.load(*_fpga_i2c_ctrl, I2C_ADDR_RX_DB);
-    tx_db_eeprom.load(*_fpga_i2c_ctrl, I2C_ADDR_TX_DB);
-    gdb_eeprom.load(*_fpga_i2c_ctrl, I2C_ADDR_TX_DB ^ 5);
-
-    //disable rx dc offset if LFRX
-    if (rx_db_eeprom.id == 0x000f) _tree->access<bool>(rx_fe_path / "dc_offset" / "enable").set(false);
-
-    //create the properties and register subscribers
-    _tree->create<dboard_eeprom_t>(mb_path / "dboards/A/rx_eeprom")
-        .set(rx_db_eeprom)
-        .add_coerced_subscriber(boost::bind(&e100_impl::set_db_eeprom, this, "rx", _1));
-    _tree->create<dboard_eeprom_t>(mb_path / "dboards/A/tx_eeprom")
-        .set(tx_db_eeprom)
-        .add_coerced_subscriber(boost::bind(&e100_impl::set_db_eeprom, this, "tx", _1));
-    _tree->create<dboard_eeprom_t>(mb_path / "dboards/A/gdb_eeprom")
-        .set(gdb_eeprom)
-        .add_coerced_subscriber(boost::bind(&e100_impl::set_db_eeprom, this, "gdb", _1));
-
-    //create a new dboard interface and manager
-    _dboard_manager = dboard_manager::make(
-        rx_db_eeprom.id, tx_db_eeprom.id, gdb_eeprom.id,
-        make_e100_dboard_iface(_fifo_ctrl, _fpga_i2c_ctrl, _fifo_ctrl/*spi*/, _clock_ctrl, _codec_ctrl),
-        _tree->subtree(mb_path / "dboards/A")
-    );
-
-    //bind frontend corrections to the dboard freq props
-    const fs_path db_tx_fe_path = mb_path / "dboards" / "A" / "tx_frontends";
-    for(const std::string &name:  _tree->list(db_tx_fe_path)){
-        _tree->access<double>(db_tx_fe_path / name / "freq" / "value")
-            .add_coerced_subscriber(boost::bind(&e100_impl::set_tx_fe_corrections, this, _1));
-    }
-    const fs_path db_rx_fe_path = mb_path / "dboards" / "A" / "rx_frontends";
-    for(const std::string &name:  _tree->list(db_rx_fe_path)){
-        _tree->access<double>(db_rx_fe_path / name / "freq" / "value")
-            .add_coerced_subscriber(boost::bind(&e100_impl::set_rx_fe_corrections, this, _1));
-    }
-
-    //initialize io handling
-    _recv_demuxer = recv_packet_demuxer::make(_data_transport, _rx_dsps.size(), E100_RX_SID_BASE);
-
-    //allocate streamer weak ptrs containers
-    _rx_streamers.resize(_rx_dsps.size());
-    _tx_streamers.resize(1/*known to be 1 dsp*/);
-
-    ////////////////////////////////////////////////////////////////////
-    // do some post-init tasks
-    ////////////////////////////////////////////////////////////////////
-    this->update_rates();
-
-    _tree->access<double>(mb_path / "tick_rate") //now add_coerced_subscriber the clock rate setter
-        .add_coerced_subscriber(boost::bind(&e100_clock_ctrl::set_fpga_clock_rate, _clock_ctrl, _1));
-
-    //reset cordic rates and their properties to zero
-    for(const std::string &name:  _tree->list(mb_path / "rx_dsps")){
-        _tree->access<double>(mb_path / "rx_dsps" / name / "freq" / "value").set(0.0);
-    }
-    for(const std::string &name:  _tree->list(mb_path / "tx_dsps")){
-        _tree->access<double>(mb_path / "tx_dsps" / name / "freq" / "value").set(0.0);
-    }
-
-    _tree->access<subdev_spec_t>(mb_path / "rx_subdev_spec").set(subdev_spec_t("A:" + _tree->list(mb_path / "dboards/A/rx_frontends").at(0)));
-    _tree->access<subdev_spec_t>(mb_path / "tx_subdev_spec").set(subdev_spec_t("A:" + _tree->list(mb_path / "dboards/A/tx_frontends").at(0)));
-    _tree->access<std::string>(mb_path / "clock_source/value").set("internal");
-    _tree->access<std::string>(mb_path / "time_source/value").set("none");
-
-    //GPS installed: use external ref, time, and init time spec
-    if (_gps and _gps->gps_detected()){
-        _time64->enable_gpsdo();
-        UHD_LOGGER_INFO("E100") << "Setting references to the internal GPSDO";
-        _tree->access<std::string>(mb_path / "time_source/value").set("gpsdo");
-        _tree->access<std::string>(mb_path / "clock_source/value").set("gpsdo");
-        UHD_LOGGER_INFO("E100") << "Initializing time to the internal GPSDO";
-        _time64->set_time_next_pps(time_spec_t(time_t(_gps->get_sensor("gps_time").to_int()+1)));
-    }
-
-}
-
-e100_impl::~e100_impl(void){
-    /* NOP */
-}
-
-double e100_impl::update_rx_codec_gain(const double gain){
-    //set gain on both I and Q, readback on one
-    //TODO in the future, gains should have individual control
-    _codec_ctrl->set_rx_pga_gain(gain, 'A');
-    _codec_ctrl->set_rx_pga_gain(gain, 'B');
-    return _codec_ctrl->get_rx_pga_gain('A');
-}
-
-void e100_impl::set_db_eeprom(const std::string &type, const uhd::usrp::dboard_eeprom_t &db_eeprom){
-    if (type == "rx") db_eeprom.store(*_fpga_i2c_ctrl, I2C_ADDR_RX_DB);
-    if (type == "tx") db_eeprom.store(*_fpga_i2c_ctrl, I2C_ADDR_TX_DB);
-    if (type == "gdb") db_eeprom.store(*_fpga_i2c_ctrl, I2C_ADDR_TX_DB ^ 5);
-}
-
-void e100_impl::update_clock_source(const std::string &source){
-
-    if (source == "pps_sync"){
-        _clock_ctrl->use_external_ref();
-        _fifo_ctrl->poke32(TOREG(SR_MISC+2), 1);
-        return;
-    }
-    if (source == "_pps_sync_"){
-        _clock_ctrl->use_external_ref();
-        _fifo_ctrl->poke32(TOREG(SR_MISC+2), 3);
-        return;
-    }
-    _fifo_ctrl->poke32(TOREG(SR_MISC+2), 0);
-
-    if      (source == "auto")     _clock_ctrl->use_auto_ref();
-    else if (source == "internal") _clock_ctrl->use_internal_ref();
-    else if (source == "external") _clock_ctrl->use_external_ref();
-    else if (source == "gpsdo")    _clock_ctrl->use_external_ref();
-    else throw uhd::runtime_error("unhandled clock configuration reference source: " + source);
-}
-
-sensor_value_t e100_impl::get_ref_locked(void){
-    const bool lock = _clock_ctrl->get_locked();
-    return sensor_value_t("Ref", lock, "locked", "unlocked");
-}
-
-void e100_impl::check_fpga_compat(void){
-    const uint32_t fpga_compat_num = _fifo_ctrl->peek32(REG_RB_COMPAT);
-    uint16_t fpga_major = fpga_compat_num >> 16, fpga_minor = fpga_compat_num & 0xffff;
-    if (fpga_major == 0){ //old version scheme
-        fpga_major = fpga_minor;
-        fpga_minor = 0;
-    }
-    if (fpga_major != E100_FPGA_COMPAT_NUM){
-        throw uhd::runtime_error(str(boost::format(
-            "Expected FPGA compatibility number %d, but got %d:\n"
-            "The FPGA build is not compatible with the host code build."
-        ) % int(E100_FPGA_COMPAT_NUM) % fpga_major));
-    }
-    if (fpga_minor < 2){
-        throw uhd::runtime_error(str(boost::format(
-            "Expected FPGA compatibility minor number at least %d, but got %d:\n"
-            "The FPGA build is not compatible with the host code build."
-        ) % int(2) % fpga_minor));
-    }
-    _tree->create<std::string>("/mboards/0/fpga_version").set(str(boost::format("%u.%u") % fpga_major % fpga_minor));
-}
-
-void e100_impl::set_rx_fe_corrections(const double lo_freq){
-    if(not _ignore_cal_file){
-        apply_rx_fe_corrections(this->get_tree()->subtree("/mboards/0"), "A", lo_freq);
-    }
-}
-
-void e100_impl::set_tx_fe_corrections(const double lo_freq){
-    if(not _ignore_cal_file){
-        apply_tx_fe_corrections(this->get_tree()->subtree("/mboards/0"), "A", lo_freq);
-    }
-}