Exemplo n.º 1
0
/***********************************************************************
 * 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");

    //read the eeprom so we can determine the hardware
    _dev_i2c_iface = e100_ctrl::make_dev_i2c_iface(E100_I2C_DEV_NODE);
    const mboard_eeprom_t mb_eeprom(*_dev_i2c_iface, E100_EEPROM_MAP_KEY);

    //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
    const std::string default_fpga_file_name = model_to_fpga_file_name[model];
    std::string e100_fpga_image;
    try{
        e100_fpga_image = find_image_path(device_addr.get("fpga", default_fpga_file_name));
    }
    catch(...){
        UHD_MSG(error) << boost::format("Could not find FPGA image. %s\n") % 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_MSG(warning)
        << "Unknown E1XX revision number!\n"
        << "defaulting to differential dboard clocks to be safe.\n"
        << std::endl;
    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_MSG(status) << "Performing control readback test... " << std::flush;
    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), boost::uint32_t(hash));
        test_fail = _fifo_ctrl->peek32(REG_RB_CONFIG0) != boost::uint32_t(hash);
        if (test_fail) break; //exit loop on any failure
    }
    UHD_MSG(status) << ((test_fail)? " fail" : "pass") << std::endl;

    if (test_fail) UHD_MSG(error) << boost::format(
        "The FPGA is either clocked improperly\n"
        "or the FPGA build is not compatible.\n"
        "Subsequent errors may follow...\n"
    );

    //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)
        .subscribe(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")
        .publish(boost::bind(&e100_clock_ctrl::get_fpga_clock_rate, _clock_ctrl))
        .subscribe(boost::bind(&fifo_ctrl_excelsior::set_tick_rate, _fifo_ctrl, _1))
        .subscribe(boost::bind(&e100_impl::update_tick_rate, this, _1));

    //subscribe the command time while we are at it
    _tree->create<time_spec_t>(mb_path / "time/cmd")
        .subscribe(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")
        .coerce(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")
        .subscribe(boost::bind(&e100_codec_ctrl::set_tx_pga_gain, _codec_ctrl, _1))
        .publish(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")
        .publish(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_MSG(status) << "Detecting internal GPSDO.... " << std::flush;
        try{
            _gps = gps_ctrl::make(e100_ctrl::make_gps_uart_iface(E100_UART_DEV_NODE));
        }
        catch(std::exception &e){
            UHD_MSG(error) << "An error occurred making GPSDO control: " << e.what() << std::endl;
        }
        if (_gps and _gps->gps_detected())
        {
            BOOST_FOREACH(const std::string &name, _gps->get_sensors())
            {
                _tree->create<sensor_value_t>(mb_path / "sensors" / name)
                    .publish(boost::bind(&gps_ctrl::get_sensor, _gps, name));
            }
        }
Exemplo n.º 2
0
void rhodium_radio_ctrl_impl::set_rpc_client(
    uhd::rpc_client::sptr rpcc,
    const uhd::device_addr_t &block_args
) {
    _rpcc = rpcc;
    _block_args = block_args;

    // Get and verify the MCR before _init_peripherals, which will use this value
    // Note: MCR gets set during the init() call (prior to this), which takes
    // in arguments from the device args. So if block_args contains a
    // master_clock_rate key, then it should better be whatever the device is
    // configured to do.
    _master_clock_rate = _rpcc->request_with_token<double>(_rpc_prefix + "get_master_clock_rate");
    if (block_args.cast<double>("master_clock_rate", _master_clock_rate)
        != _master_clock_rate) {
        throw uhd::runtime_error(str(
            boost::format("Master clock rate mismatch. Device returns %f MHz, "
                "but should have been %f MHz.")
            % (_master_clock_rate / 1e6)
            % (block_args.cast<double>(
                "master_clock_rate", _master_clock_rate) / 1e6)
        ));
    }
    UHD_LOG_DEBUG(unique_id(),
        "Master Clock Rate is: " << (_master_clock_rate / 1e6) << " MHz.");
    radio_ctrl_impl::set_rate(_master_clock_rate);

    UHD_LOG_TRACE(unique_id(), "Checking for existence of Rhodium DB in slot " << _radio_slot);
    const auto dboard_info = _rpcc->request<std::vector<std::map<std::string, std::string>>>("get_dboard_info");

    // There is a bug that if only one DB is plugged into slot B the vector
    // will only have 1 element but not be correlated to slot B at all.
    // For now, we assume a 1 element array means the DB is in slot A.
    if (dboard_info.size() <= get_block_id().get_block_count())
    {
        UHD_LOG_DEBUG(unique_id(), "No DB detected in slot " << _radio_slot);
        // Name and master clock rate are needed for RFNoC init, so set the
        // name now and let this function continue to set the MCR
        _tree->subtree(fs_path("dboards") / _radio_slot / "tx_frontends" / "0")
            ->create<std::string>("name").set("Unknown");
        _tree->subtree(fs_path("dboards") / _radio_slot / "rx_frontends" / "0")
            ->create<std::string>("name").set("Unknown");
    }
    else {
        UHD_LOG_DEBUG(unique_id(),
            "Rhodium DB detected in slot " <<
            _radio_slot <<
            ". Serial: " <<
            dboard_info.at(get_block_id().get_block_count()).at("serial"));
        _init_defaults();
        _init_peripherals();
        _init_prop_tree();
    }

    if (block_args.has_key("identify")) {
        const std::string identify_val = block_args.get("identify");
        int identify_duration = std::atoi(identify_val.c_str());
        if (identify_duration == 0) {
            identify_duration = DEFAULT_IDENTIFY_DURATION;
        }
        // TODO: Update this when LED control is added
        //UHD_LOG_INFO(unique_id(),
        //    "Running LED identification process for " << identify_duration
        //    << " seconds.");
        //_identify_with_leds(identify_duration);
    }
}