diff options
Diffstat (limited to 'host/lib/usrp/n230')
24 files changed, 4469 insertions, 0 deletions
diff --git a/host/lib/usrp/n230/CMakeLists.txt b/host/lib/usrp/n230/CMakeLists.txt new file mode 100644 index 000000000..9eaccffba --- /dev/null +++ b/host/lib/usrp/n230/CMakeLists.txt @@ -0,0 +1,37 @@ +# +# Copyright 2013 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/>. +# + +######################################################################## +# This file included, use CMake directory variables +######################################################################## + +######################################################################## +# Conditionally configure the N230 support +######################################################################## +IF(ENABLE_N230) +    LIBUHD_APPEND_SOURCES( +        ${CMAKE_CURRENT_SOURCE_DIR}/n230_cores.cpp +        ${CMAKE_CURRENT_SOURCE_DIR}/n230_impl.cpp +        ${CMAKE_CURRENT_SOURCE_DIR}/n230_resource_manager.cpp +        ${CMAKE_CURRENT_SOURCE_DIR}/n230_eeprom_manager.cpp +        ${CMAKE_CURRENT_SOURCE_DIR}/n230_stream_manager.cpp +        ${CMAKE_CURRENT_SOURCE_DIR}/n230_clk_pps_ctrl.cpp +        ${CMAKE_CURRENT_SOURCE_DIR}/n230_frontend_ctrl.cpp +        ${CMAKE_CURRENT_SOURCE_DIR}/n230_uart.cpp +        ${CMAKE_CURRENT_SOURCE_DIR}/n230_image_loader.cpp +   ) +ENDIF(ENABLE_N230) diff --git a/host/lib/usrp/n230/n230_clk_pps_ctrl.cpp b/host/lib/usrp/n230/n230_clk_pps_ctrl.cpp new file mode 100644 index 000000000..9d704b702 --- /dev/null +++ b/host/lib/usrp/n230/n230_clk_pps_ctrl.cpp @@ -0,0 +1,158 @@ +// +// Copyright 2013-2014 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 "n230_clk_pps_ctrl.hpp" + +#include <uhd/utils/msg.hpp> +#include <uhd/utils/safe_call.hpp> +#include <boost/cstdint.hpp> +#include <boost/format.hpp> +#include <boost/foreach.hpp> +#include <stdexcept> +#include <cmath> +#include <cstdlib> + +namespace uhd { namespace usrp { namespace n230 { + +class n230_clk_pps_ctrl_impl : public n230_clk_pps_ctrl +{ +public: +    n230_clk_pps_ctrl_impl( +        ad9361_ctrl::sptr codec_ctrl, +        n230_ref_pll_ctrl::sptr ref_pll_ctrl, +        fpga::core_misc_reg_t& core_misc_reg, +        fpga::core_pps_sel_reg_t& core_pps_sel, +        fpga::core_status_reg_t& core_status_reg, +        const std::vector<time_core_3000::sptr>& time_cores +    ): _codec_ctrl(codec_ctrl), +       _ref_pll_ctrl(ref_pll_ctrl), +       _core_misc_reg(core_misc_reg), +       _core_pps_sel_reg(core_pps_sel), +       _core_status_reg(core_status_reg), +       _time_cores(time_cores), +       _tick_rate(0.0), +       _clock_source("<undefined>"), +       _time_source("<undefined>") +    { +    } + +    virtual ~n230_clk_pps_ctrl_impl() +    { +    } + +    double set_tick_rate(const double rate) +    { +        UHD_MSG(status) << "Configuring a tick rate of " << rate/1e6 << " MHz... "; +        _tick_rate = _codec_ctrl->set_clock_rate(rate); +        UHD_MSG(status) << "got " << _tick_rate/1e6 << " MHz\n"; + +        BOOST_FOREACH(time_core_3000::sptr& time_core, _time_cores) { +            time_core->set_tick_rate(_tick_rate); +            time_core->self_test(); +        } + +        return _tick_rate; +    } + +    double get_tick_rate() +    { +        return _tick_rate; +    } + +    void set_clock_source(const std::string &source) +    { +        if (_clock_source == source) return; + +        if (source == "internal") { +            _ref_pll_ctrl->set_lock_to_ext_ref(false); +        } else if (source == "external" || source == "gpsdo") { +            _ref_pll_ctrl->set_lock_to_ext_ref(true); +        } else { +            throw uhd::key_error("set_clock_source: unknown source: " + source); +        } +        _core_misc_reg.write(fpga::core_misc_reg_t::REF_SEL, (source == "gpsdo") ? 1 : 0); + +        _clock_source = source; +    } + +    const std::string& get_clock_source() +    { +        return _clock_source; +    } + +    uhd::sensor_value_t get_ref_locked() +    { +        bool locked = false; +        if (_clock_source == "external" || _clock_source == "gpsdo") { +            locked = (_core_status_reg.read(fpga::core_status_reg_t::REF_LOCKED) == 1); +        } else { +            //If the source is internal, the charge pump on the ADF4001 is tristated which +            //means that the 40MHz VCTXXO is free running i.e. always "locked" +            locked = true; +        } +        return sensor_value_t("Ref", locked, "locked", "unlocked"); +    } + +    void set_pps_source(const std::string &source) +    { +        if (_time_source == source) return; + +        if (source == "none" or source == "gpsdo") { +            _core_pps_sel_reg.write(fpga::core_pps_sel_reg_t::EXT_PPS_EN, 0); +        } else if (source == "external") { +            _core_pps_sel_reg.write(fpga::core_pps_sel_reg_t::EXT_PPS_EN, 1); +        } else { +            throw uhd::key_error("update_time_source: unknown source: " + source); +        } + +        _time_source = source; +    } + +    const std::string& get_pps_source() +    { +        return _time_source; +    } + +private: +    ad9361_ctrl::sptr                   _codec_ctrl; +    n230_ref_pll_ctrl::sptr             _ref_pll_ctrl; +    fpga::core_misc_reg_t&              _core_misc_reg; +    fpga::core_pps_sel_reg_t&           _core_pps_sel_reg; +    fpga::core_status_reg_t&            _core_status_reg; +    std::vector<time_core_3000::sptr>   _time_cores; +    double                              _tick_rate; +    std::string                         _clock_source; +    std::string                         _time_source; +}; + +}}} //namespace + +using namespace uhd::usrp::n230; +using namespace uhd::usrp; + +n230_clk_pps_ctrl::sptr n230_clk_pps_ctrl::make( +    ad9361_ctrl::sptr codec_ctrl, +    n230_ref_pll_ctrl::sptr ref_pll_ctrl, +    fpga::core_misc_reg_t& core_misc_reg, +    fpga::core_pps_sel_reg_t& core_pps_sel_reg, +    fpga::core_status_reg_t& core_status_reg, +    const std::vector<time_core_3000::sptr>& time_cores) +{ +    return sptr(new n230_clk_pps_ctrl_impl( +        codec_ctrl, ref_pll_ctrl, core_misc_reg, core_pps_sel_reg, core_status_reg, time_cores)); +} + diff --git a/host/lib/usrp/n230/n230_clk_pps_ctrl.hpp b/host/lib/usrp/n230/n230_clk_pps_ctrl.hpp new file mode 100644 index 000000000..3e0a21e04 --- /dev/null +++ b/host/lib/usrp/n230/n230_clk_pps_ctrl.hpp @@ -0,0 +1,89 @@ +// +// Copyright 2013-2014 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/>. +// + +#ifndef INCLUDED_N230_CLK_PPS_CTRL_HPP +#define INCLUDED_N230_CLK_PPS_CTRL_HPP + +#include "time_core_3000.hpp" +#include "ad9361_ctrl.hpp" +#include <uhd/types/sensors.hpp> +#include <boost/shared_ptr.hpp> +#include <boost/utility.hpp> +#include <vector> +#include "n230_cores.hpp" +#include "n230_fpga_defs.h" + +namespace uhd { namespace usrp { namespace n230 { + +class n230_clk_pps_ctrl : boost::noncopyable +{ +public: +    typedef boost::shared_ptr<n230_clk_pps_ctrl> sptr; + +    static sptr make( +        ad9361_ctrl::sptr codec_ctrl, +        n230_ref_pll_ctrl::sptr ref_pll_ctrl, +        fpga::core_misc_reg_t& core_misc_reg, +        fpga::core_pps_sel_reg_t& core_pps_sel_reg, +        fpga::core_status_reg_t& core_status_reg, +        const std::vector<time_core_3000::sptr>& time_cores); + +    virtual ~n230_clk_pps_ctrl() {} + +    /*********************************************************************** +     * Tick Rate +     **********************************************************************/ +    /*! Set the master clock rate of the device. +     * \return the clock frequency in Hz +     */ +    virtual double set_tick_rate(const double rate) = 0; + +    /*! Get the master clock rate of the device. +     * \return the clock frequency in Hz +     */ +    virtual double get_tick_rate() = 0; + +    /*********************************************************************** +     * Reference clock +     **********************************************************************/ +    /*! Set the reference clock source of the device. +     */ +    virtual void set_clock_source(const std::string &source) = 0; + +    /*! Get the reference clock source of the device. +     */ +    virtual const std::string& get_clock_source() = 0; + +    /*! Get the reference clock lock status. +     */ +    virtual uhd::sensor_value_t get_ref_locked() = 0; + +    /*********************************************************************** +     * Time source +     **********************************************************************/ +    /*! Set the time source of the device. +     */ +    virtual void set_pps_source(const std::string &source) = 0; + +    /*! Get the reference clock source of the device. +     */ +    virtual const std::string& get_pps_source() = 0; +}; + +}}} //namespace + +#endif /* INCLUDED_N230_CLK_PPS_CTRL_HPP */ diff --git a/host/lib/usrp/n230/n230_cores.cpp b/host/lib/usrp/n230/n230_cores.cpp new file mode 100644 index 000000000..58c702ec1 --- /dev/null +++ b/host/lib/usrp/n230/n230_cores.cpp @@ -0,0 +1,91 @@ +// +// Copyright 2013-2014 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 "n230_cores.hpp" +#include "n230_fpga_defs.h" +#include "n230_fw_defs.h" + +namespace uhd { namespace usrp { namespace n230 { + +n230_core_spi_core::n230_core_spi_core( +    uhd::wb_iface::sptr iface, +    perif_t default_perif) : +    _spi_core(spi_core_3000::make(iface, +                                  fpga::sr_addr(fpga::SR_CORE_SPI), +                                  fpga::rb_addr(fpga::RB_CORE_SPI))), +    _current_perif(default_perif), +    _last_perif(default_perif) +{ +    change_perif(default_perif); +} + +boost::uint32_t n230_core_spi_core::transact_spi( +    int which_slave, +    const spi_config_t &config, +    boost::uint32_t data, +    size_t num_bits, +    bool readback) +{ +    boost::mutex::scoped_lock lock(_mutex); +    return _spi_core->transact_spi(which_slave, config, data, num_bits, readback); +} + +void n230_core_spi_core::change_perif(perif_t perif) +{ +    boost::mutex::scoped_lock lock(_mutex); +    _last_perif = _current_perif; +    _current_perif = perif; + +    switch (_current_perif) { +        case CODEC: +            _spi_core->set_divider(fw::CPU_CLOCK_FREQ/fw::CODEC_SPI_CLOCK_FREQ); +            break; +        case PLL: +            _spi_core->set_divider(fw::CPU_CLOCK_FREQ/fw::ADF4001_SPI_CLOCK_FREQ); +            break; +    } +} + +void n230_core_spi_core::restore_perif() +{ +    change_perif(_last_perif); +} + +n230_ref_pll_ctrl::n230_ref_pll_ctrl(n230_core_spi_core::sptr spi) : +    adf4001_ctrl(spi, fpga::ADF4001_SPI_SLAVE_NUM), +    _spi(spi) +{ +} + +void n230_ref_pll_ctrl::set_lock_to_ext_ref(bool external) +{ +    _spi->change_perif(n230_core_spi_core::PLL); +    adf4001_ctrl::set_lock_to_ext_ref(external); +    _spi->restore_perif(); +} + +}}} //namespace + +using namespace uhd::usrp::n230; +using namespace uhd::usrp; + +n230_core_spi_core::sptr n230_core_spi_core::make( +    uhd::wb_iface::sptr iface, n230_core_spi_core::perif_t default_perif) +{ +    return sptr(new n230_core_spi_core(iface, default_perif)); +} + diff --git a/host/lib/usrp/n230/n230_cores.hpp b/host/lib/usrp/n230/n230_cores.hpp new file mode 100644 index 000000000..3f56c1889 --- /dev/null +++ b/host/lib/usrp/n230/n230_cores.hpp @@ -0,0 +1,71 @@ +// +// Copyright 2013-2014 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/>. +// + +#ifndef INCLUDED_N230_CORES_HPP +#define INCLUDED_N230_CORES_HPP + +#include "spi_core_3000.hpp" +#include "adf4001_ctrl.hpp" +#include <boost/thread/mutex.hpp> + +namespace uhd { namespace usrp { namespace n230 { + +class n230_core_spi_core : boost::noncopyable, public uhd::spi_iface { + +public: +    typedef boost::shared_ptr<n230_core_spi_core> sptr; + +    enum perif_t { +        CODEC, PLL +    }; + +    n230_core_spi_core(uhd::wb_iface::sptr iface, perif_t default_perif); + +    virtual boost::uint32_t transact_spi( +        int which_slave, +        const spi_config_t &config, +        boost::uint32_t data, +        size_t num_bits, +        bool readback); + +    void change_perif(perif_t perif); +    void restore_perif(); + +    static sptr make(uhd::wb_iface::sptr iface, perif_t default_perif = CODEC); + +private: +    spi_core_3000::sptr     _spi_core; +    perif_t                 _current_perif; +    perif_t                 _last_perif; +    boost::mutex            _mutex; +}; + +class n230_ref_pll_ctrl : public adf4001_ctrl { +public: +    typedef boost::shared_ptr<n230_ref_pll_ctrl> sptr; + +    n230_ref_pll_ctrl(n230_core_spi_core::sptr spi); +    void set_lock_to_ext_ref(bool external); + +private: +    n230_core_spi_core::sptr _spi; +}; + + +}}} //namespace + +#endif /* INCLUDED_N230_CORES_HPP */ diff --git a/host/lib/usrp/n230/n230_defaults.h b/host/lib/usrp/n230/n230_defaults.h new file mode 100644 index 000000000..a25978585 --- /dev/null +++ b/host/lib/usrp/n230/n230_defaults.h @@ -0,0 +1,65 @@ +// +// Copyright 2014 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/>. +// + +#ifndef INCLUDED_N230_DEFAULTS_H +#define INCLUDED_N230_DEFAULTS_H + +#include <stdint.h> +#ifndef __cplusplus +#include <stdbool.h> +#endif +#include <uhd/transport/udp_constants.hpp> + +namespace uhd { +namespace usrp { +namespace n230 { + +static const double DEFAULT_TICK_RATE       = 46.08e6; +static const double MAX_TICK_RATE           = 50e6; +static const double MIN_TICK_RATE           = 1e6; + +static const double DEFAULT_TX_SAMP_RATE    = 1.0e6; +static const double DEFAULT_RX_SAMP_RATE    = 1.0e6; +static const double DEFAULT_DDC_FREQ        = 0.0; +static const double DEFAULT_DUC_FREQ        = 0.0; + +static const double DEFAULT_FE_GAIN         = 0.0; +static const double DEFAULT_FE_FREQ         = 1.0e9; +static const double DEFAULT_FE_BW           = 56e6; + +static const std::string DEFAULT_TIME_SRC   = "none"; +static const std::string DEFAULT_CLOCK_SRC  = "internal"; + +static const size_t DEFAULT_FRAME_SIZE      = 1500 - 20 - 8; //default ipv4 mtu - ipv4 header - udp header +static const size_t MAX_FRAME_SIZE          = 8000; +static const size_t MIN_FRAME_SIZE          = IP_PROTOCOL_MIN_MTU_SIZE; + +static const size_t DEFAULT_NUM_FRAMES      = 32; + +//A 1MiB SRAM is shared between two radios so we allocate each +//radio 0.5MiB minus 8 packets worth of buffering to ensure +//that the FIFO does not overflow +static const size_t DEFAULT_SEND_BUFF_SIZE  = 500*1024; +#if defined(UHD_PLATFORM_MACOS) || defined(UHD_PLATFORM_BSD) +static const size_t DEFAULT_RECV_BUFF_SIZE  = 0x100000; //1Mib +#elif defined(UHD_PLATFORM_LINUX) || defined(UHD_PLATFORM_WIN32) +static const size_t DEFAULT_RECV_BUFF_SIZE  = 0x2000000;//32MiB +#endif + +}}}    //namespace + +#endif /* INCLUDED_N230_DEFAULTS_H */ diff --git a/host/lib/usrp/n230/n230_device_args.hpp b/host/lib/usrp/n230/n230_device_args.hpp new file mode 100644 index 000000000..014a6cd14 --- /dev/null +++ b/host/lib/usrp/n230/n230_device_args.hpp @@ -0,0 +1,128 @@ +// +// Copyright 2014 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/>. +// + +#ifndef INCLUDED_N230_DEV_ARGS_HPP +#define INCLUDED_N230_DEV_ARGS_HPP + +#include <uhd/types/wb_iface.hpp> +#include <uhd/transport/udp_simple.hpp> +#include <boost/thread/mutex.hpp> +#include "../common/constrained_device_args.hpp" +#include "n230_defaults.h" + +namespace uhd { namespace usrp { namespace n230 { + +class n230_device_args_t : public constrained_device_args_t +{ +public: +    enum loopback_mode_t { LOOPBACK_OFF=0, LOOPBACK_RADIO=1, LOOPBACK_CODEC=2 }; + +    n230_device_args_t(): +        _master_clock_rate("master_clock_rate", n230::DEFAULT_TICK_RATE), +        _send_frame_size("send_frame_size", n230::DEFAULT_FRAME_SIZE), +        _recv_frame_size("recv_frame_size", n230::DEFAULT_FRAME_SIZE), +        _num_send_frames("num_send_frames", n230::DEFAULT_NUM_FRAMES), +        _num_recv_frames("num_recv_frames", n230::DEFAULT_NUM_FRAMES), +        _send_buff_size("send_buff_size", n230::DEFAULT_SEND_BUFF_SIZE), +        _recv_buff_size("recv_buff_size", n230::DEFAULT_RECV_BUFF_SIZE), +        _safe_mode("safe_mode", false), +        _loopback_mode("loopback_mode", LOOPBACK_OFF, boost::assign::list_of("off")("radio")("codec")) +    {} + +    double get_master_clock_rate() const { +        return _master_clock_rate.get(); +    } +    size_t get_send_frame_size() const { +        return _send_frame_size.get(); +    } +    size_t get_recv_frame_size() const { +        return _recv_frame_size.get(); +    } +    size_t get_num_send_frames() const { +        return _num_send_frames.get(); +    } +    size_t get_num_recv_frames() const { +        return _num_recv_frames.get(); +    } +    size_t get_send_buff_size() const { +        return _send_buff_size.get(); +    } +    size_t get_recv_buff_size() const { +        return _recv_buff_size.get(); +    } +    bool get_safe_mode() const { +        return _safe_mode.get(); +    } +    loopback_mode_t get_loopback_mode() const { +        return _loopback_mode.get(); +    } + +    inline virtual std::string to_string() const { +        return  _master_clock_rate.to_string() + ", " + +                _send_frame_size.to_string() + ", " + +                _recv_frame_size.to_string() + ", " + +                _num_send_frames.to_string() + ", " + +                _num_recv_frames.to_string() + ", " + +                _send_buff_size.to_string() + ", " + +                _recv_buff_size.to_string() + ", " + +                _safe_mode.to_string() + ", " + +                _loopback_mode.to_string(); +    } +private: +    virtual void _parse(const device_addr_t& dev_args) { +        //Extract parameters from dev_args +        if (dev_args.has_key(_master_clock_rate.key())) +            _master_clock_rate.parse(dev_args[_master_clock_rate.key()]); +        if (dev_args.has_key(_send_frame_size.key())) +            _send_frame_size.parse(dev_args[_send_frame_size.key()]); +        if (dev_args.has_key(_recv_frame_size.key())) +            _recv_frame_size.parse(dev_args[_recv_frame_size.key()]); +        if (dev_args.has_key(_num_send_frames.key())) +            _num_send_frames.parse(dev_args[_num_send_frames.key()]); +        if (dev_args.has_key(_num_recv_frames.key())) +            _num_recv_frames.parse(dev_args[_num_recv_frames.key()]); +        if (dev_args.has_key(_send_buff_size.key())) +            _send_buff_size.parse(dev_args[_send_buff_size.key()]); +        if (dev_args.has_key(_recv_buff_size.key())) +            _recv_buff_size.parse(dev_args[_recv_buff_size.key()]); +        if (dev_args.has_key(_safe_mode.key())) +            _safe_mode.parse(dev_args[_safe_mode.key()]); +        if (dev_args.has_key(_loopback_mode.key())) +            _loopback_mode.parse(dev_args[_loopback_mode.key()], false /* assert invalid */); + +        //Sanity check params +        _enforce_range(_master_clock_rate, MIN_TICK_RATE, MAX_TICK_RATE); +        _enforce_range(_send_frame_size, MIN_FRAME_SIZE, MAX_FRAME_SIZE); +        _enforce_range(_recv_frame_size, MIN_FRAME_SIZE, MAX_FRAME_SIZE); +        _enforce_range(_num_send_frames, (size_t)2, (size_t)UINT_MAX); +        _enforce_range(_num_recv_frames, (size_t)2, (size_t)UINT_MAX); +    } + +    constrained_device_args_t::num_arg<double>           _master_clock_rate; +    constrained_device_args_t::num_arg<size_t>           _send_frame_size; +    constrained_device_args_t::num_arg<size_t>           _recv_frame_size; +    constrained_device_args_t::num_arg<size_t>           _num_send_frames; +    constrained_device_args_t::num_arg<size_t>           _num_recv_frames; +    constrained_device_args_t::num_arg<size_t>           _send_buff_size; +    constrained_device_args_t::num_arg<size_t>           _recv_buff_size; +    constrained_device_args_t::bool_arg                  _safe_mode; +    constrained_device_args_t::enum_arg<loopback_mode_t> _loopback_mode; +}; + +}}} //namespace + +#endif //INCLUDED_N230_DEV_ARGS_HPP diff --git a/host/lib/usrp/n230/n230_eeprom.h b/host/lib/usrp/n230/n230_eeprom.h new file mode 100644 index 000000000..b6c2a0c76 --- /dev/null +++ b/host/lib/usrp/n230/n230_eeprom.h @@ -0,0 +1,124 @@ +// +// Copyright 2014 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/>. +// + +#ifndef INCLUDED_N230_EEPROM_H +#define INCLUDED_N230_EEPROM_H + +#include <stdint.h> +#ifndef __cplusplus +#include <stdbool.h> +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#define N230_NUM_ETH_PORTS 2 +#define N230_MAX_NUM_ETH_PORTS 2 + +#if (N230_NUM_ETH_PORTS > N230_MAX_NUM_ETH_PORTS) +#error +#endif + +#define N230_EEPROM_VER_MAJOR     1 +#define N230_EEPROM_VER_MINOR     1 +#define N230_EEPROM_SERIAL_LEN    9 +#define N230_EEPROM_NAME_LEN      32 + +typedef struct +{ +    uint8_t  mac_addr[6]; +    uint8_t  _pad[2]; +    uint32_t subnet; +    uint32_t ip_addr; +} n230_eth_eeprom_map_t; + +typedef struct +{ +    //Data format version +    uint16_t data_version_major; +    uint16_t data_version_minor; + +    //HW identification info +    uint16_t hw_revision; +    uint16_t hw_product; +    uint8_t serial[N230_EEPROM_SERIAL_LEN]; +    uint8_t _pad_serial; +    uint16_t hw_revision_compat; +    uint8_t _pad0[18 - (N230_EEPROM_SERIAL_LEN + 1)]; + +    //Ethernet specific +    uint32_t gateway; +    n230_eth_eeprom_map_t eth_info[N230_MAX_NUM_ETH_PORTS]; + +    //User specific +    uint8_t user_name[N230_EEPROM_NAME_LEN]; +} n230_eeprom_map_t; + +#ifdef __cplusplus +} //extern "C" +#endif + +// The following definitions are only useful in firmware. Exclude in host code. +#ifndef __cplusplus + +/*! + * Read the eeprom and update caches. + * Returns true if read was successful. + * If the read was not successful then the cache is initialized with + * default values and marked as dirty. + */ +bool read_n230_eeprom(); + +/*! + * Write the contents of the cache to the eeprom. + * Returns true if write was successful. + */ +bool write_n230_eeprom(); + +/*! + * Returns the dirty state of the cache. + */ +bool is_n230_eeprom_cache_dirty(); + +/*! + * Returns a const pointer to the EEPROM map. + */ +const n230_eeprom_map_t* get_n230_const_eeprom_map(); + +/*! + * Returns the settings for the the 'iface'th ethernet interface + */ +const n230_eth_eeprom_map_t* get_n230_ethernet_info(uint32_t iface); + +/*! + * Returns a non-const pointer to the EEPROM map. Will mark the cache as dirty. + */ +n230_eeprom_map_t* get_n230_eeprom_map(); + +/*! + * FPGA Image operations + */ +inline void read_n230_fpga_image_page(uint32_t offset, void *buf, uint32_t num_bytes); + +inline bool write_n230_fpga_image_page(uint32_t offset, const void *buf, uint32_t num_bytes); + +inline bool erase_n230_fpga_image_sector(uint32_t offset); + +#endif  //ifdef __cplusplus + +#endif /* INCLUDED_N230_EEPROM_H */ diff --git a/host/lib/usrp/n230/n230_eeprom_manager.cpp b/host/lib/usrp/n230/n230_eeprom_manager.cpp new file mode 100644 index 000000000..b19deb23a --- /dev/null +++ b/host/lib/usrp/n230/n230_eeprom_manager.cpp @@ -0,0 +1,207 @@ +// +// Copyright 2013-2014,2016 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 "n230_eeprom.h" +#include <uhd/utils/byteswap.hpp> +#include <uhd/utils/msg.hpp> +#include <uhd/exception.hpp> +#include <uhd/types/mac_addr.hpp> +#include <boost/format.hpp> +#include <boost/asio.hpp> //used for htonl and ntohl +#include "n230_eeprom_manager.hpp" + +namespace uhd { namespace usrp { namespace n230 { + +const double n230_eeprom_manager::UDP_TIMEOUT_IN_SEC = 2.0; + +n230_eeprom_manager::n230_eeprom_manager(const std::string& addr): +    _seq_num(0) +{ +    _udp_xport = transport::udp_simple::make_connected( +        addr, BOOST_STRINGIZE(N230_FW_COMMS_FLASH_PROG_PORT)); +    read_mb_eeprom(); +} + +static const std::string _bytes_to_string(const uint8_t* bytes, size_t max_len) +{ +    std::string out; +    for (size_t i = 0; i < max_len; i++) { +        if (bytes[i] < 32 or bytes[i] > 127) return out; +        out += bytes[i]; +    } +    return out; +} + +static void _string_to_bytes(const std::string &string, size_t max_len, uint8_t* buffer) +{ +    byte_vector_t bytes; +    const size_t len = std::min(string.size(), max_len); +    for (size_t i = 0; i < len; i++){ +        buffer[i] = string[i]; +    } +    if (len < max_len - 1) buffer[len] = '\0'; +} + +const mboard_eeprom_t& n230_eeprom_manager::read_mb_eeprom() +{ +    boost::mutex::scoped_lock lock(_mutex); + +    //Read EEPROM from device +    _transact(N230_FLASH_COMM_CMD_READ_NV_DATA); +    const n230_eeprom_map_t* map_ptr = reinterpret_cast<const n230_eeprom_map_t*>(_response.data); +    const n230_eeprom_map_t& map = *map_ptr; + +    uint16_t ver_major = uhd::htonx<boost::uint16_t>(map.data_version_major); +    uint16_t ver_minor = uhd::htonx<boost::uint16_t>(map.data_version_minor); + +    _mb_eeprom["product"] = boost::lexical_cast<std::string>( +        uhd::htonx<boost::uint16_t>(map.hw_product)); +    _mb_eeprom["revision"] = boost::lexical_cast<std::string>( +        uhd::htonx<boost::uint16_t>(map.hw_revision)); +    //The revision_compat field does not exist in version 1.0 +    //EEPROM version 1.0 will only exist on HW revision 1 so it is safe to set +    //revision_compat = revision +    if (ver_major == 1 and ver_minor == 0) { +        _mb_eeprom["revision_compat"] = _mb_eeprom["revision"]; +    } else { +        _mb_eeprom["revision_compat"] = boost::lexical_cast<std::string>( +            uhd::htonx<boost::uint16_t>(map.hw_revision_compat)); +    } +    _mb_eeprom["serial"] = _bytes_to_string( +        map.serial, N230_EEPROM_SERIAL_LEN); + +    //Extract ethernet info +    _mb_eeprom["gateway"] = boost::asio::ip::address_v4( +        uhd::htonx<boost::uint32_t>(map.gateway)).to_string(); +    for (size_t i = 0; i < N230_MAX_NUM_ETH_PORTS; i++) { +        const std::string n(1, i+'0'); +        _mb_eeprom["ip-addr"+n] = boost::asio::ip::address_v4( +            uhd::htonx<boost::uint32_t>(map.eth_info[i].ip_addr)).to_string(); +        _mb_eeprom["subnet"+n] = boost::asio::ip::address_v4( +            uhd::htonx<boost::uint32_t>(map.eth_info[i].subnet)).to_string(); +        byte_vector_t mac_addr(map.eth_info[i].mac_addr, map.eth_info[i].mac_addr + 6); +        _mb_eeprom["mac-addr"+n] = mac_addr_t::from_bytes(mac_addr).to_string(); +    } + +    _mb_eeprom["name"] = _bytes_to_string( +        map.user_name, N230_EEPROM_NAME_LEN); + +    return _mb_eeprom; +} + +void n230_eeprom_manager::write_mb_eeprom(const mboard_eeprom_t& eeprom) +{ +    boost::mutex::scoped_lock lock(_mutex); + +    _mb_eeprom = eeprom; + +    n230_eeprom_map_t* map_ptr = reinterpret_cast<n230_eeprom_map_t*>(_request.data); +    memset(map_ptr, 0xff, sizeof(n230_eeprom_map_t)); //Initialize to erased state +    //Read EEPROM from device +    _transact(N230_FLASH_COMM_CMD_READ_NV_DATA); +    memcpy(map_ptr, _response.data, sizeof(n230_eeprom_map_t)); +    n230_eeprom_map_t& map = *map_ptr; + +    // Automatic version upgrade handling +    uint16_t old_ver_major = uhd::htonx<boost::uint16_t>(map.data_version_major); +    uint16_t old_ver_minor = uhd::htonx<boost::uint16_t>(map.data_version_minor); + +    //The revision_compat field does not exist for version 1.0 so force write it +    //EEPROM version 1.0 will only exist on HW revision 1 so it is safe to set +    //revision_compat = revision for the upgrade +    bool force_write_version_compat = (old_ver_major == 1 and old_ver_minor == 0); + +    map.data_version_major = uhd::htonx<boost::uint16_t>(N230_EEPROM_VER_MAJOR); +    map.data_version_minor = uhd::htonx<boost::uint16_t>(N230_EEPROM_VER_MINOR); + +    if (_mb_eeprom.has_key("product")) { +        map.hw_product = uhd::htonx<boost::uint16_t>( +            boost::lexical_cast<boost::uint16_t>(_mb_eeprom["product"])); +    } +    if (_mb_eeprom.has_key("revision")) { +        map.hw_revision = uhd::htonx<boost::uint16_t>( +            boost::lexical_cast<boost::uint16_t>(_mb_eeprom["revision"])); +    } +    if (_mb_eeprom.has_key("revision_compat")) { +        map.hw_revision_compat = uhd::htonx<boost::uint16_t>( +            boost::lexical_cast<boost::uint16_t>(_mb_eeprom["revision_compat"])); +    } else if (force_write_version_compat) { +        map.hw_revision_compat = map.hw_revision; +    } +    if (_mb_eeprom.has_key("serial")) { +        _string_to_bytes(_mb_eeprom["serial"], N230_EEPROM_SERIAL_LEN, map.serial); +    } + +    //Push ethernet info +    if (_mb_eeprom.has_key("gateway")){ +        map.gateway = uhd::htonx<boost::uint32_t>( +            boost::asio::ip::address_v4::from_string(_mb_eeprom["gateway"]).to_ulong()); +    } +    for (size_t i = 0; i < N230_MAX_NUM_ETH_PORTS; i++) { +        const std::string n(1, i+'0'); +        if (_mb_eeprom.has_key("ip-addr"+n)){ +            map.eth_info[i].ip_addr = uhd::htonx<boost::uint32_t>( +                boost::asio::ip::address_v4::from_string(_mb_eeprom["ip-addr"+n]).to_ulong()); +        } +        if (_mb_eeprom.has_key("subnet"+n)){ +            map.eth_info[i].subnet = uhd::htonx<boost::uint32_t>( +                boost::asio::ip::address_v4::from_string(_mb_eeprom["subnet"+n]).to_ulong()); +        } +        if (_mb_eeprom.has_key("mac-addr"+n)) { +            byte_vector_t mac_addr = mac_addr_t::from_string(_mb_eeprom["mac-addr"+n]).to_bytes(); +            std::copy(mac_addr.begin(), mac_addr.end(), map.eth_info[i].mac_addr); +        } +    } +    //store the name +    if (_mb_eeprom.has_key("name")) { +        _string_to_bytes(_mb_eeprom["name"], N230_EEPROM_NAME_LEN, map.user_name); +    } + +    //Write EEPROM to device +    _transact(N230_FLASH_COMM_CMD_WRITE_NV_DATA); +} + +void n230_eeprom_manager::_transact(const boost::uint32_t command) +{ +    //Load request struct +    _request.flags = uhd::htonx<boost::uint32_t>(N230_FLASH_COMM_FLAGS_ACK | command); +    _request.seq = uhd::htonx<boost::uint32_t>(_seq_num++); + +    //Send request +    _flush_xport(); +    _udp_xport->send(boost::asio::buffer(&_request, sizeof(_request))); + +    //Recv reply +    const size_t nbytes = _udp_xport->recv(boost::asio::buffer(&_response, sizeof(_response)), UDP_TIMEOUT_IN_SEC); +    if (nbytes == 0) throw uhd::io_error("n230_eeprom_manager::_transact failure"); + +    //Sanity checks +    const size_t flags = uhd::ntohx<boost::uint32_t>(_response.flags); +    UHD_ASSERT_THROW(nbytes == sizeof(_response)); +    UHD_ASSERT_THROW(_response.seq == _request.seq); +    UHD_ASSERT_THROW(flags & command); +} + +void n230_eeprom_manager::_flush_xport() +{ +    char buff[sizeof(n230_flash_prog_t)] = {}; +    while (_udp_xport->recv(boost::asio::buffer(buff), 0.0)) { +        /*NOP*/ +    } +} + +}}};    //namespace diff --git a/host/lib/usrp/n230/n230_eeprom_manager.hpp b/host/lib/usrp/n230/n230_eeprom_manager.hpp new file mode 100644 index 000000000..cc5aee9f3 --- /dev/null +++ b/host/lib/usrp/n230/n230_eeprom_manager.hpp @@ -0,0 +1,58 @@ +// +// Copyright 2013-2014 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/>. +// + +#ifndef INCLUDED_N230_EEPROM_MANAGER_HPP +#define INCLUDED_N230_EEPROM_MANAGER_HPP + +#include <boost/thread/mutex.hpp> +#include <uhd/transport/udp_simple.hpp> +#include <uhd/types/dict.hpp> +#include <uhd/usrp/mboard_eeprom.hpp> +#include "n230_fw_host_iface.h" + +namespace uhd { namespace usrp { namespace n230 { + +class n230_eeprom_manager : boost::noncopyable +{ +public: +    n230_eeprom_manager(const std::string& addr); + +    const mboard_eeprom_t& read_mb_eeprom(); +    void write_mb_eeprom(const mboard_eeprom_t& eeprom); + +    inline const mboard_eeprom_t& get_mb_eeprom() { +        return _mb_eeprom; +    } + +private:    //Functions +    void _transact(const boost::uint32_t command); +    void _flush_xport(); + +private:    //Members +    mboard_eeprom_t             _mb_eeprom; +    transport::udp_simple::sptr _udp_xport; +    n230_flash_prog_t           _request; +    n230_flash_prog_t           _response; +    boost::uint32_t             _seq_num; +    boost::mutex                _mutex; + +    static const double UDP_TIMEOUT_IN_SEC; +}; + +}}} //namespace + +#endif /* INCLUDED_N230_EEPROM_MANAGER_HPP */ diff --git a/host/lib/usrp/n230/n230_fpga_defs.h b/host/lib/usrp/n230/n230_fpga_defs.h new file mode 100644 index 000000000..3aa96643f --- /dev/null +++ b/host/lib/usrp/n230/n230_fpga_defs.h @@ -0,0 +1,207 @@ +// +// Copyright 2014 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/>. +// + +#ifndef INCLUDED_N230_FPGA_DEFS_H +#define INCLUDED_N230_FPGA_DEFS_H + +#include <stdint.h> +#ifndef __cplusplus +#include <stdbool.h> +#endif +#include <uhd/utils/soft_register.hpp> + +namespace uhd { +namespace usrp { +namespace n230 { +namespace fpga { + +static inline uint32_t sr_addr(uint32_t offset) { +    return (offset*4); +} + +static inline uint32_t rb_addr(uint32_t offset) { +    return (offset*8); +} + +static const size_t NUM_RADIOS = 2; +static const double BUS_CLK_RATE = 80e6; + +/******************************************************************* + * CVITA Routing + *******************************************************************/ +static const uint32_t CVITA_UDP_PORT    = 49153; +static const bool CVITA_BIG_ENDIAN      = true; + +enum xb_endpoint_t { +    N230_XB_DST_E0    = 0, +    N230_XB_DST_E1    = 1, +    N230_XB_DST_R0    = 2, +    N230_XB_DST_R1    = 3, +    N230_XB_DST_GCTRL = 4, +    N230_XB_DST_UART  = 5 +}; + +static const boost::uint8_t RADIO_CTRL_SUFFIX = 0x00; +static const boost::uint8_t RADIO_FC_SUFFIX   = 0x01; +static const boost::uint8_t RADIO_DATA_SUFFIX = 0x02; + +/******************************************************************* + * Seting Register Base addresses + *******************************************************************/ +static const uint32_t SR_CORE_RADIO_CONTROL = 3; +static const uint32_t SR_CORE_LOOPBACK      = 4; +static const uint32_t SR_CORE_BIST1         = 5; +static const uint32_t SR_CORE_BIST2         = 6; +static const uint32_t SR_CORE_SPI           = 8; +static const uint32_t SR_CORE_MISC          = 16; +static const uint32_t SR_CORE_DATA_DELAY    = 17; +static const uint32_t SR_CORE_CLK_DELAY     = 18; +static const uint32_t SR_CORE_COMPAT        = 24; +static const uint32_t SR_CORE_READBACK      = 32; +static const uint32_t SR_CORE_GPSDO_ST      = 40; +static const uint32_t SR_CORE_PPS_SEL       = 48; +static const uint32_t SR_CORE_MS0_GPIO      = 50; +static const uint32_t SR_CORE_MS1_GPIO      = 58; + +static const uint32_t RB_CORE_SIGNATUE      = 0; +static const uint32_t RB_CORE_SPI           = 1; +static const uint32_t RB_CORE_STATUS        = 2; +static const uint32_t RB_CORE_BIST          = 3; +static const uint32_t RB_CORE_VERSION_HASH  = 4; +static const uint32_t RB_CORE_MS0_GPIO      = 5; +static const uint32_t RB_CORE_MS1_GPIO      = 6; + +/******************************************************************* + * Seting Register Base addresses + *******************************************************************/ +static const uint32_t SR_RADIO_SPI          = 8; +static const uint32_t SR_RADIO_ATR          = 12; +static const uint32_t SR_RADIO_SW_RST       = 20; +static const uint32_t SR_RADIO_TEST         = 21; +static const uint32_t SR_RADIO_CODEC_IDLE   = 22; +static const uint32_t SR_RADIO_READBACK     = 32; +static const uint32_t SR_RADIO_TX_CTRL      = 64; +static const uint32_t SR_RADIO_RX_CTRL      = 96; +static const uint32_t SR_RADIO_RX_DSP       = 144; +static const uint32_t SR_RADIO_TX_DSP       = 184; +static const uint32_t SR_RADIO_TIME         = 128; +static const uint32_t SR_RADIO_RX_FMT       = 136; +static const uint32_t SR_RADIO_TX_FMT       = 138; +static const uint32_t SR_RADIO_USER_SR      = 253; + +static const uint32_t RB_RADIO_TEST         = 0; +static const uint32_t RB_RADIO_TIME_NOW     = 1; +static const uint32_t RB_RADIO_TIME_PPS     = 2; +static const uint32_t RB_RADIO_CODEC_DATA   = 3; +static const uint32_t RB_RADIO_DEBUG        = 4; +static const uint32_t RB_RADIO_FRAMER       = 5; +static const uint32_t SR_RADIO_USER_RB      = 7; + +static const uint32_t AD9361_SPI_SLAVE_NUM  = 0x1; +static const uint32_t ADF4001_SPI_SLAVE_NUM = 0x2; + +static const uint32_t RB_N230_PRODUCT_ID    = 1; +static const uint32_t RB_N230_COMPAT_MAJOR  = 0x20; +static const uint32_t RB_N230_COMPAT_SAFE   = 0xC0; + +/******************************************************************* + * Codec Interface Specific + *******************************************************************/ + +// Matches delay setting of 0x00 in AD9361 register 0x006 +static const uint32_t CODEC_DATA_DELAY      = 0; +static const uint32_t CODEC_CLK_DELAY       = 16; + +//This number must be < 46.08MHz to make sure we don't +//violate timing for radio_clk. It is only used during +//initialization so the exact value does not matter. +static const double CODEC_DEFAULT_CLK_RATE  = 40e6; + +/******************************************************************* + * Link Specific + *******************************************************************/ +static const double N230_LINK_RATE_BPS      = 1e9/8; + +/******************************************************************* + * GPSDO + *******************************************************************/ +static const uint32_t GPSDO_UART_BAUDRATE   = 115200; +static const uint32_t GPSDO_ST_ABSENT       = 0x83; +/******************************************************************* + * Register Objects + *******************************************************************/ +class core_radio_ctrl_reg_t : public soft_reg32_wo_t { +public: +    UHD_DEFINE_SOFT_REG_FIELD(MIMO,         /*width*/ 1, /*shift*/ 0);  //[0] +    UHD_DEFINE_SOFT_REG_FIELD(CODEC_ARST,   /*width*/ 1, /*shift*/ 1);  //[1] + +    core_radio_ctrl_reg_t(): +        soft_reg32_wo_t(fpga::sr_addr(fpga::SR_CORE_RADIO_CONTROL)) +    { +        //Initial values +        set(CODEC_ARST, 0); +        set(MIMO, 1);   //MIMO always ON for now +    } +}; + +class core_misc_reg_t : public soft_reg32_wo_t { +public: +    UHD_DEFINE_SOFT_REG_FIELD(REF_SEL,      /*width*/ 1, /*shift*/ 0);  //[0] +    UHD_DEFINE_SOFT_REG_FIELD(RX_BANDSEL_C, /*width*/ 1, /*shift*/ 1);  //[1] +    UHD_DEFINE_SOFT_REG_FIELD(RX_BANDSEL_B, /*width*/ 1, /*shift*/ 2);  //[2] +    UHD_DEFINE_SOFT_REG_FIELD(RX_BANDSEL_A, /*width*/ 1, /*shift*/ 3);  //[3] +    UHD_DEFINE_SOFT_REG_FIELD(TX_BANDSEL_B, /*width*/ 1, /*shift*/ 4);  //[4] +    UHD_DEFINE_SOFT_REG_FIELD(TX_BANDSEL_A, /*width*/ 1, /*shift*/ 5);  //[5] + +    core_misc_reg_t(): +        soft_reg32_wo_t(fpga::sr_addr(fpga::SR_CORE_MISC)) +    { +        //Initial values +        set(REF_SEL, 0); +        set(RX_BANDSEL_C, 0); +        set(RX_BANDSEL_B, 0); +        set(RX_BANDSEL_A, 0); +        set(TX_BANDSEL_B, 0); +        set(TX_BANDSEL_A, 0); +    } +}; + +class core_pps_sel_reg_t : public soft_reg32_wo_t { +public: +    UHD_DEFINE_SOFT_REG_FIELD(EXT_PPS_EN,   /*width*/ 1, /*shift*/ 0);  //[0] + +    core_pps_sel_reg_t(): +        soft_reg32_wo_t(fpga::sr_addr(fpga::SR_CORE_PPS_SEL)) +    { +        //Initial values +        set(EXT_PPS_EN, 0); +    } +}; + +class core_status_reg_t : public soft_reg64_ro_t { +public: +    UHD_DEFINE_SOFT_REG_FIELD(REF_LOCKED,     /*width*/ 1, /*shift*/ 0);    //[0] +    UHD_DEFINE_SOFT_REG_FIELD(GPSDO_STATUS,   /*width*/ 8, /*shift*/ 32);   //[32:39] + +    core_status_reg_t(): +        soft_reg64_ro_t(fpga::rb_addr(fpga::RB_CORE_STATUS)) +    { } +}; + +}}}}    //namespace + +#endif /* INCLUDED_N230_FPGA_DEFS_H */ diff --git a/host/lib/usrp/n230/n230_frontend_ctrl.cpp b/host/lib/usrp/n230/n230_frontend_ctrl.cpp new file mode 100644 index 000000000..e0820d9b2 --- /dev/null +++ b/host/lib/usrp/n230/n230_frontend_ctrl.cpp @@ -0,0 +1,243 @@ +// +// Copyright 2013-2014,2016 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 "n230_frontend_ctrl.hpp" + +#include <uhd/utils/msg.hpp> +#include <uhd/exception.hpp> +#include <uhd/types/dict.hpp> +#include <boost/format.hpp> +#include <boost/thread.hpp> +#include "n230_fpga_defs.h" + +namespace uhd { namespace usrp { namespace n230 { + +/* ATR Control Bits */ +static const boost::uint32_t TX_ENABLE      = (1 << 7); +static const boost::uint32_t SFDX_RX        = (1 << 6); +static const boost::uint32_t SFDX_TX        = (1 << 5); +static const boost::uint32_t SRX_RX         = (1 << 4); +static const boost::uint32_t SRX_TX         = (1 << 3); +static const boost::uint32_t LED_RX         = (1 << 2); +static const boost::uint32_t LED_TXRX_RX    = (1 << 1); +static const boost::uint32_t LED_TXRX_TX    = (1 << 0); + +/* ATR State Definitions. */ +static const boost::uint32_t STATE_OFF      = 0x00; +static const boost::uint32_t STATE_RX_RX2   = (SFDX_RX +                                                | SFDX_TX +                                                | LED_RX); +static const boost::uint32_t STATE_RX_TXRX  = (SRX_RX +                                                | SRX_TX +                                                | LED_TXRX_RX); +static const boost::uint32_t STATE_FDX_TXRX = (TX_ENABLE +                                                | SFDX_RX +                                                | SFDX_TX +                                                | LED_TXRX_TX +                                                | LED_RX); +static const boost::uint32_t STATE_TX_TXRX  = (TX_ENABLE +                                                | SFDX_RX +                                                | SFDX_TX +                                                | LED_TXRX_TX); + +using namespace uhd::usrp; + +class n230_frontend_ctrl_impl : public n230_frontend_ctrl +{ +public: +    n230_frontend_ctrl_impl( +        radio_ctrl_core_3000::sptr core_ctrl, +        fpga::core_misc_reg_t& core_misc_reg, +        ad9361_ctrl::sptr codec_ctrl, +        const std::vector<gpio_atr::gpio_atr_3000::sptr>& gpio_cores +    ): _core_ctrl(core_ctrl), +       _codec_ctrl(codec_ctrl), +       _gpio_cores(gpio_cores), +       _core_misc_reg(core_misc_reg) +    { +    } + +    virtual ~n230_frontend_ctrl_impl() +    { +    } + +    void set_antenna_sel(const size_t which, const std::string &ant) +    { +        if (ant != "TX/RX" and ant != "RX2") +            throw uhd::value_error("n230: unknown RX antenna option: " + ant); + +        _fe_states[which].rx_ant = ant; +        _flush_atr_state(); +    } + +    void set_stream_state(const fe_state_t fe0_state_, const fe_state_t fe1_state_) +    { +        //Update soft-state +        _fe_states[0].state = fe0_state_; +        _fe_states[1].state = fe1_state_; + +        const fe_state_t fe0_state = _fe_states[0].state; +        const fe_state_t fe1_state = (_gpio_cores.size() > 1) ? _fe_states[1].state : NONE_STREAMING; + +        const size_t num_tx = (_is_tx(fe0_state) ? 1 : 0) + (_is_tx(fe1_state) ? 1 : 0); +        const size_t num_rx = (_is_rx(fe0_state) ? 1 : 0) + (_is_rx(fe1_state) ? 1 : 0); + +        //setup the active chains in the codec +        if ((num_rx + num_tx) == 0) { +            _codec_ctrl->set_active_chains( +                true, false, +                true, false); //enable something +        } else { +            _codec_ctrl->set_active_chains( +                _is_tx(fe0_state), _is_tx(fe1_state), +                _is_rx(fe0_state), _is_rx(fe1_state)); +        } + +        _core_misc_reg.flush(); +        //atrs change based on enables +        _flush_atr_state(); +    } + + +    void set_stream_state(const size_t which, const fe_state_t state) +    { +        if (which == 0) { +            set_stream_state(state, _fe_states[1].state); +        } else if (which == 1) { +            set_stream_state(_fe_states[0].state, state); +        } else { +            throw uhd::value_error( +                str(boost::format("n230: unknown stream index option: %d") % which) +            ); +        } +    } + +    void set_bandsel(const std::string& which, double freq) +    { +        using namespace n230::fpga; + +        if(which[0] == 'R') { +            if(freq < 2.2e9) { +                _core_misc_reg.set(core_misc_reg_t::RX_BANDSEL_A, 0); +                _core_misc_reg.set(core_misc_reg_t::RX_BANDSEL_B, 0); +                _core_misc_reg.set(core_misc_reg_t::RX_BANDSEL_C, 1); +            } else if((freq >= 2.2e9) && (freq < 4e9)) { +                _core_misc_reg.set(core_misc_reg_t::RX_BANDSEL_A, 0); +                _core_misc_reg.set(core_misc_reg_t::RX_BANDSEL_B, 1); +                _core_misc_reg.set(core_misc_reg_t::RX_BANDSEL_C, 0); +            } else if((freq >= 4e9) && (freq <= 6e9)) { +                _core_misc_reg.set(core_misc_reg_t::RX_BANDSEL_A, 1); +                _core_misc_reg.set(core_misc_reg_t::RX_BANDSEL_B, 0); +                _core_misc_reg.set(core_misc_reg_t::RX_BANDSEL_C, 0); +            } else { +                UHD_THROW_INVALID_CODE_PATH(); +            } +        } else if(which[0] == 'T') { +            if(freq < 2.5e9) { +                _core_misc_reg.set(core_misc_reg_t::TX_BANDSEL_A, 0); +                _core_misc_reg.set(core_misc_reg_t::TX_BANDSEL_B, 1); +            } else if((freq >= 2.5e9) && (freq <= 6e9)) { +                _core_misc_reg.set(core_misc_reg_t::TX_BANDSEL_A, 1); +                _core_misc_reg.set(core_misc_reg_t::TX_BANDSEL_B, 0); +            } else { +                UHD_THROW_INVALID_CODE_PATH(); +            } +        } else { +            UHD_THROW_INVALID_CODE_PATH(); +        } + +        _core_misc_reg.flush(); +    } + +    void set_self_test_mode(self_test_mode_t mode) +    { +        switch (mode) { +            case LOOPBACK_RADIO: { +                _core_ctrl->poke32(fpga::sr_addr(fpga::SR_CORE_LOOPBACK), 0x1); +            } break; +            case LOOPBACK_CODEC: { +                _core_ctrl->poke32(fpga::sr_addr(fpga::SR_CORE_LOOPBACK), 0x0); +                _codec_ctrl->data_port_loopback(true); +            } break; +            //Default = disable +            default: +            case LOOPBACK_DISABLED: { +                _core_ctrl->poke32(fpga::sr_addr(fpga::SR_CORE_LOOPBACK), 0x0); +                _codec_ctrl->data_port_loopback(false); +            } break; +        } +    } + +private: +    void _flush_atr_state() +    { +        for (size_t i = 0; i < _gpio_cores.size(); i++) { +            const fe_state_cache_t& fe_state_cache = _fe_states[i]; +            const bool enb_rx = _is_rx(fe_state_cache.state); +            const bool enb_tx = _is_tx(fe_state_cache.state); +            const bool is_rx2 = (fe_state_cache.rx_ant == "RX2"); +            const size_t rxonly = (enb_rx)? ((is_rx2)? STATE_RX_RX2 : STATE_RX_TXRX) : STATE_OFF; +            const size_t txonly = (enb_tx)? (STATE_TX_TXRX) : STATE_OFF; +            size_t fd = STATE_OFF; +            if (enb_rx and enb_tx) fd = STATE_FDX_TXRX; +            if (enb_rx and not enb_tx) fd = rxonly; +            if (not enb_rx and enb_tx) fd = txonly; +            _gpio_cores[i]->set_atr_reg(gpio_atr::ATR_REG_IDLE, STATE_OFF); +            _gpio_cores[i]->set_atr_reg(gpio_atr::ATR_REG_RX_ONLY, rxonly); +            _gpio_cores[i]->set_atr_reg(gpio_atr::ATR_REG_TX_ONLY, txonly); +            _gpio_cores[i]->set_atr_reg(gpio_atr::ATR_REG_FULL_DUPLEX, fd); +        } +    } + +    inline static bool _is_tx(const fe_state_t state) +    { +        return state == TX_STREAMING || state == TXRX_STREAMING; +    } + +    inline static bool _is_rx(const fe_state_t state) +    { +        return state == RX_STREAMING || state == TXRX_STREAMING; +    } + +private: +    struct fe_state_cache_t { +        fe_state_cache_t() : state(NONE_STREAMING), rx_ant("RX2") +        {} +        fe_state_t state; +        std::string rx_ant; +    }; + +    radio_ctrl_core_3000::sptr              _core_ctrl; +    ad9361_ctrl::sptr                       _codec_ctrl; +    std::vector<gpio_atr::gpio_atr_3000::sptr>   _gpio_cores; +    fpga::core_misc_reg_t&                  _core_misc_reg; +    uhd::dict<size_t, fe_state_cache_t>     _fe_states; +}; + +}}} //namespace + +using namespace uhd::usrp::n230; + +n230_frontend_ctrl::sptr n230_frontend_ctrl::make( +        radio_ctrl_core_3000::sptr core_ctrl, +        fpga::core_misc_reg_t& core_misc_reg, +        ad9361_ctrl::sptr codec_ctrl, +        const std::vector<gpio_atr::gpio_atr_3000::sptr>& gpio_cores) +{ +    return sptr(new n230_frontend_ctrl_impl(core_ctrl, core_misc_reg, codec_ctrl, gpio_cores)); +} + diff --git a/host/lib/usrp/n230/n230_frontend_ctrl.hpp b/host/lib/usrp/n230/n230_frontend_ctrl.hpp new file mode 100644 index 000000000..377d23ba8 --- /dev/null +++ b/host/lib/usrp/n230/n230_frontend_ctrl.hpp @@ -0,0 +1,76 @@ +// +// Copyright 2013-2014 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/>. +// + +#ifndef INCLUDED_N230_FRONTEND_CTRL_HPP +#define INCLUDED_N230_FRONTEND_CTRL_HPP + +#include "radio_ctrl_core_3000.hpp" +#include "ad9361_ctrl.hpp" +#include "gpio_atr_3000.hpp" +#include <uhd/types/sensors.hpp> +#include <boost/shared_ptr.hpp> +#include <boost/utility.hpp> +#include <vector> +#include "n230_fpga_defs.h" + +namespace uhd { namespace usrp { namespace n230 { + +enum fe_state_t { +    NONE_STREAMING, TX_STREAMING, RX_STREAMING, TXRX_STREAMING +}; + +enum self_test_mode_t { +    LOOPBACK_DISABLED, LOOPBACK_RADIO, LOOPBACK_CODEC +}; + + +class n230_frontend_ctrl : boost::noncopyable +{ +public: +    typedef boost::shared_ptr<n230_frontend_ctrl> sptr; + +    static sptr make( +        radio_ctrl_core_3000::sptr core_ctrl, +        fpga::core_misc_reg_t& core_misc_reg, +        ad9361_ctrl::sptr codec_ctrl, +        const std::vector<gpio_atr::gpio_atr_3000::sptr>& gpio_cores); + +    virtual ~n230_frontend_ctrl() {} + +    virtual void set_antenna_sel( +        const size_t which, +        const std::string &ant) = 0; + +    virtual void set_stream_state( +        const size_t which, +        const fe_state_t state) = 0; + +    virtual void set_stream_state( +        const fe_state_t fe0_state, +        const fe_state_t fe1_state) = 0; + +    virtual void set_bandsel( +        const std::string& which, +        double freq) = 0; + +    virtual void set_self_test_mode( +        self_test_mode_t mode) = 0; +}; + +}}} //namespace + +#endif /* INCLUDED_N230_FRONTEND_CTRL_HPP */ diff --git a/host/lib/usrp/n230/n230_fw_defs.h b/host/lib/usrp/n230/n230_fw_defs.h new file mode 100644 index 000000000..fbdc67ebb --- /dev/null +++ b/host/lib/usrp/n230/n230_fw_defs.h @@ -0,0 +1,137 @@ +// +// Copyright 2014 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/>. +// + +#ifndef INCLUDED_N230_FW_DEFS_H +#define INCLUDED_N230_FW_DEFS_H + +#include <stdint.h> + +/*! + * Constants specific to N230 firmware. + * This header is shared by the firmware and host code. + * Therefore, this header may only contain valid C code. + * However, if it is included from within the host code, + * it will be namespaced appropriately + */ +#ifdef __cplusplus +namespace uhd { +namespace usrp { +namespace n230 { +namespace fw { +#endif + +static inline uint32_t reg_addr(uint32_t base, uint32_t offset) { +    return ((base) + (offset)*4); +} + +/******************************************************************* + * Global + *******************************************************************/ +static const uint32_t CPU_CLOCK_FREQ            = 80000000; +static const uint32_t PER_MILLISEC_CRON_JOBID   = 0; +static const uint32_t PER_SECOND_CRON_JOBID     = 1; + +/******************************************************************* + * Wishbone slave addresses + *******************************************************************/ +static const uint32_t WB_MAIN_RAM_BASE  = 0x0000; +static const uint32_t WB_PKT_RAM_BASE   = 0x8000; +static const uint32_t WB_SBRB_BASE      = 0xa000; +static const uint32_t WB_SPI_FLASH_BASE = 0xb000; +static const uint32_t WB_ETH0_MAC_BASE  = 0xc000; +static const uint32_t WB_ETH1_MAC_BASE  = 0xd000; +static const uint32_t WB_XB_SBRB_BASE   = 0xe000; +static const uint32_t WB_ETH0_I2C_BASE  = 0xf600; +static const uint32_t WB_ETH1_I2C_BASE  = 0xf700; +static const uint32_t WB_DBG_UART_BASE  = 0xf900; + +/******************************************************************* + * Seting Register Base addresses + *******************************************************************/ +static const uint32_t SR_ZPU_SW_RST     = 0; +static const uint32_t SR_ZPU_BOOT_DONE  = 1; +static const uint32_t SR_ZPU_LEDS       = 2; +static const uint32_t SR_ZPU_XB_LOCAL   = 4; +static const uint32_t SR_ZPU_SFP_CTRL0  = 16; +static const uint32_t SR_ZPU_SFP_CTRL1  = 17; +static const uint32_t SR_ZPU_ETHINT0    = 64; +static const uint32_t SR_ZPU_ETHINT1    = 80; + +static const uint32_t SR_ZPU_SW_RST_NONE    = 0x0; +static const uint32_t SR_ZPU_SW_RST_PHY     = 0x1; +static const uint32_t SR_ZPU_SW_RST_RADIO   = 0x2; + +/******************************************************************* + * Readback addresses + *******************************************************************/ +static const uint32_t RB_ZPU_COMPAT         = 0; +static const uint32_t RB_ZPU_COUNTER        = 1; +static const uint32_t RB_ZPU_SFP_STATUS0    = 2; +static const uint32_t RB_ZPU_SFP_STATUS1    = 3; +static const uint32_t RB_ZPU_ETH0_PKT_CNT   = 6; +static const uint32_t RB_ZPU_ETH1_PKT_CNT   = 7; + +/******************************************************************* + * Ethernet + *******************************************************************/ +static const uint32_t WB_PKT_RAM_CTRL_OFFSET    = 0x1FFC; + +static const uint32_t SR_ZPU_ETHINT_FRAMER_BASE     = 0; +static const uint32_t SR_ZPU_ETHINT_DISPATCHER_BASE = 8; + +//Eth framer constants +static const uint32_t ETH_FRAMER_SRC_MAC_HI     = 0; +static const uint32_t ETH_FRAMER_SRC_MAC_LO     = 1; +static const uint32_t ETH_FRAMER_SRC_IP_ADDR    = 2; +static const uint32_t ETH_FRAMER_SRC_UDP_PORT   = 3; +static const uint32_t ETH_FRAMER_DST_RAM_ADDR   = 4; +static const uint32_t ETH_FRAMER_DST_IP_ADDR    = 5; +static const uint32_t ETH_FRAMER_DST_UDP_MAC    = 6; +static const uint32_t ETH_FRAMER_DST_MAC_LO     = 7; + +/******************************************************************* + * CODEC + *******************************************************************/ +static const uint32_t CODEC_SPI_CLOCK_FREQ      = 4000000;  //4MHz +static const uint32_t ADF4001_SPI_CLOCK_FREQ    = 200000;   //200kHz + +/******************************************************************* + * UART + *******************************************************************/ +static const uint32_t DBG_UART_BAUD     = 115200; + +/******************************************************************* + * Build Compatability Numbers + *******************************************************************/ +static const uint8_t PRODUCT_NUM = 0x01; +static const uint8_t COMPAT_MAJOR = 0x00; +static const uint16_t COMPAT_MINOR = 0x0000; + +static inline uint8_t get_prod_num(uint32_t compat_reg) { +    return (compat_reg >> 24) & 0xFF; +} +static inline uint8_t get_compat_major(uint32_t compat_reg) { +    return (compat_reg >> 16) & 0xFF; +} +static inline uint8_t get_compat_minor(uint32_t compat_reg) { +    return compat_reg & 0xFFFF; +} + +#ifdef __cplusplus +}}}} //namespace +#endif +#endif /* INCLUDED_N230_FW_DEFS_H */ diff --git a/host/lib/usrp/n230/n230_fw_host_iface.h b/host/lib/usrp/n230/n230_fw_host_iface.h new file mode 100644 index 000000000..0391af0d9 --- /dev/null +++ b/host/lib/usrp/n230/n230_fw_host_iface.h @@ -0,0 +1,128 @@ +// +// Copyright 2014 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/>. +// + +#ifndef INCLUDED_N230_FW_HOST_IFACE_H +#define INCLUDED_N230_FW_HOST_IFACE_H + +#include <stdint.h> + +/*! + * Structs and constants for N230 communication between firmware and host. + * This header is shared by the firmware and host code. + * Therefore, this header may only contain valid C code. + */ +#ifdef __cplusplus +extern "C" { +#endif + +//-------------------------------------------------- +// Ethernet related +// +#define N230_DEFAULT_ETH0_MAC    {0x00, 0x50, 0xC2, 0x85, 0x3f, 0xff} +#define N230_DEFAULT_ETH1_MAC    {0x00, 0x50, 0xC2, 0x85, 0x3f, 0x33} +#define N230_DEFAULT_ETH0_IP     (192 << 24 | 168 << 16 | 10  << 8  | 2 << 0) +#define N230_DEFAULT_ETH1_IP     (192 << 24 | 168 << 16 | 20  << 8  | 2 << 0) +#define N230_DEFAULT_ETH0_MASK   (255 << 24 | 255 << 16 | 255 << 8  | 0 << 0) +#define N230_DEFAULT_ETH1_MASK   (255 << 24 | 255 << 16 | 255 << 8  | 0 << 0) +#define N230_DEFAULT_GATEWAY     (192 << 24 | 168 << 16 | 10  << 8  | 1 << 0) + +#define N230_FW_COMMS_UDP_PORT        49152 +#define N230_FW_COMMS_CVITA_PORT      49153 +#define N230_FW_COMMS_FLASH_PROG_PORT 49154 +// +//-------------------------------------------------- + +//-------------------------------------------------- +// Memory shared with host +// +#define N230_FW_HOST_SHMEM_BASE_ADDR      0x10000 +#define N230_FW_HOST_SHMEM_RW_BASE_ADDR   0x1000C +#define N230_FW_HOST_SHMEM_NUM_WORDS      (sizeof(n230_host_shared_mem_data_t)/sizeof(uint32_t)) + +#define N230_FW_HOST_SHMEM_MAX_ADDR  \ +    (N230_FW_HOST_SHMEM_BASE_ADDR + ((N230_FW_HOST_SHMEM_NUM_WORDS - 1) * sizeof(uint32_t))) + +#define N230_FW_HOST_SHMEM_OFFSET(member) \ +    (N230_FW_HOST_SHMEM_BASE_ADDR + ((uint32_t)offsetof(n230_host_shared_mem_data_t, member))) + +//The shared memory block can only be accessed on 32-bit boundaries +typedef struct {    //All fields must be 32-bit wide to avoid packing directives +    //Read-Only fields (N230_FW_HOST_SHMEM_BASE_ADDR) +    uint32_t fw_compat_num;     //Compat number must be at offset 0 +    uint32_t fw_version_hash; +    uint32_t claim_status; + +    //Read-Write fields (N230_FW_HOST_SHMEM_RW_BASE_ADDR) +    uint32_t scratch; +    uint32_t claim_time; +    uint32_t claim_src; +} n230_host_shared_mem_data_t; + +typedef union +{ +    uint32_t                    buff[N230_FW_HOST_SHMEM_NUM_WORDS]; +    n230_host_shared_mem_data_t   data; +} n230_host_shared_mem_t; + +#define N230_FW_PRODUCT_ID        1 +#define N230_FW_COMPAT_NUM_MAJOR  32 +#define N230_FW_COMPAT_NUM_MINOR  0 +#define N230_FW_COMPAT_NUM        (((N230_FW_COMPAT_NUM_MAJOR & 0xFF) << 16) | (N230_FW_COMPAT_NUM_MINOR & 0xFFFF)) +// +//-------------------------------------------------- + +//-------------------------------------------------- +// Flash read-write interface for host +// +#define N230_FLASH_COMM_FLAGS_ACK           0x00000001 +#define N230_FLASH_COMM_FLAGS_CMD_MASK      0x00000FF0 +#define N230_FLASH_COMM_FLAGS_ERROR_MASK    0xFF000000 + +#define N230_FLASH_COMM_CMD_READ_NV_DATA    0x00000010 +#define N230_FLASH_COMM_CMD_WRITE_NV_DATA   0x00000020 +#define N230_FLASH_COMM_CMD_READ_FPGA       0x00000030 +#define N230_FLASH_COMM_CMD_WRITE_FPGA      0x00000040 +#define N230_FLASH_COMM_CMD_ERASE_FPGA      0x00000050 + +#define N230_FLASH_COMM_ERR_PKT_ERROR       0x80000000 +#define N230_FLASH_COMM_ERR_CMD_ERROR       0x40000000 +#define N230_FLASH_COMM_ERR_SIZE_ERROR      0x20000000 + +#define N230_FLASH_COMM_MAX_PAYLOAD_SIZE    128 + +typedef struct +{ +    uint32_t flags; +    uint32_t seq; +    uint32_t offset; +    uint32_t size; +    uint8_t data[N230_FLASH_COMM_MAX_PAYLOAD_SIZE]; +} n230_flash_prog_t; +// +//-------------------------------------------------- + +#define N230_HW_REVISION_COMPAT 1 +#define N230_HW_REVISION_MIN    1 + + +#define N230_CLAIMER_TIMEOUT_IN_MS        2000 + +#ifdef __cplusplus +} +#endif + +#endif /* INCLUDED_N230_FW_HOST_IFACE_H */ diff --git a/host/lib/usrp/n230/n230_image_loader.cpp b/host/lib/usrp/n230/n230_image_loader.cpp new file mode 100644 index 000000000..9dd4a252d --- /dev/null +++ b/host/lib/usrp/n230/n230_image_loader.cpp @@ -0,0 +1,209 @@ +// +// Copyright 2016 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 <fstream> +#include <algorithm> +#include <uhd/image_loader.hpp> +#include <uhd/exception.hpp> +#include <uhd/utils/static.hpp> +#include <uhd/utils/byteswap.hpp> +#include <uhd/utils/paths.hpp> +#include <uhd/transport/udp_simple.hpp> +#include <boost/algorithm/string.hpp> +#include <boost/filesystem.hpp> +#include <boost/format.hpp> +#include "n230_fw_host_iface.h" +#include "n230_impl.hpp" + +using namespace uhd; +using namespace uhd::usrp; +using namespace uhd::transport; + +struct xil_bitfile_hdr_t { +    xil_bitfile_hdr_t(): +        valid(false), userid(0), product(""), +        fpga(""), timestamp(""), filesize(0) +    {} + +    bool            valid; +    boost::uint32_t userid; +    std::string     product; +    std::string     fpga; +    std::string     timestamp; +    boost::uint32_t filesize; +}; + +static inline boost::uint16_t _to_uint16(boost::uint8_t* buf) { +    return (static_cast<boost::uint16_t>(buf[0]) << 8) | +           (static_cast<boost::uint16_t>(buf[1]) << 0); +} + +static inline boost::uint32_t _to_uint32(boost::uint8_t* buf) { +    return (static_cast<boost::uint32_t>(buf[0]) << 24) | +           (static_cast<boost::uint32_t>(buf[1]) << 16) | +           (static_cast<boost::uint32_t>(buf[2]) << 8)  | +           (static_cast<boost::uint32_t>(buf[3]) << 0); +} + +static void _parse_bitfile_header(const std::string& filepath, xil_bitfile_hdr_t& hdr) { +    // Read header into memory +    std::ifstream img_file(filepath.c_str(), std::ios::binary); +    static const size_t MAX_HDR_SIZE = 1024; +    boost::scoped_array<char> hdr_buf(new char[MAX_HDR_SIZE]); +    img_file.seekg(0, std::ios::beg); +    img_file.read(hdr_buf.get(), MAX_HDR_SIZE); +    img_file.close(); + +    //Parse header +    size_t ptr = 0; +    boost::uint8_t* buf = reinterpret_cast<boost::uint8_t*>(hdr_buf.get());  //Shortcut + +    boost::uint8_t signature[10] = {0x00, 0x09, 0x0f, 0xf0, 0x0f, 0xf0, 0x0f, 0xf0, 0x0f, 0xf0}; +    if (memcmp(buf, signature, 10) == 0) {  //Validate signature +        ptr += _to_uint16(buf + ptr) + 2; +        ptr += _to_uint16(buf + ptr) + 1; + +        std::string fields[4]; +        for (size_t i = 0; i < 4; i++) { +            size_t key = buf[ptr++] - 'a'; +            boost::uint16_t len = _to_uint16(buf + ptr); ptr += 2; +            fields[key] = std::string(reinterpret_cast<char*>(buf + ptr), size_t(len)); ptr += len; +        } + +        hdr.filesize = _to_uint32(buf + ++ptr); ptr += 4; +        hdr.fpga = fields[1]; +        hdr.timestamp = fields[2] + std::string(" ") + fields[3]; + +        std::vector<std::string> tokens; +        boost::split(tokens, fields[0], boost::is_any_of(";")); +        if (tokens.size() == 3) { +            hdr.product = tokens[0]; +            std::vector<std::string> uidtokens; +            boost::split(uidtokens, tokens[1], boost::is_any_of("=")); +            if (uidtokens.size() == 2 and uidtokens[0] == "UserID") { +                std::stringstream stream; +                stream << uidtokens[1]; +                stream >> std::hex >> hdr.userid; +                hdr.valid = true; +            } +        } +    } +} + +static size_t _send_and_recv( +    udp_simple::sptr xport, +    n230_flash_prog_t& out, n230_flash_prog_t& in) +{ +    static boost::uint32_t seqno = 0; +    out.seq = htonx<boost::uint32_t>(++seqno); +    xport->send(boost::asio::buffer(&out, sizeof(n230_flash_prog_t))); +    size_t len = xport->recv(boost::asio::buffer(&in, udp_simple::mtu), 0.5); +    if (len != sizeof(n230_flash_prog_t) or ntohx<boost::uint32_t>(in.seq) != seqno) { +        throw uhd::io_error("Error communicating with the device."); +    } +    return len; +} + + +static bool n230_image_loader(const image_loader::image_loader_args_t &loader_args){ +    // Run discovery routine and ensure that exactly one N230 is specified +    device_addrs_t devs = usrp::n230::n230_impl::n230_find(loader_args.args); +    if (devs.size() == 0 or !loader_args.load_fpga) return false; +    if (devs.size() > 1) { +        throw uhd::runtime_error("Multiple devices match the specified args. To avoid accidentally updating the " +                                 "wrong device, please narrow the search by specifying a unique \"addr\" argument."); +    } +    device_addr_t dev = devs[0]; + +    // Sanity check the specified bitfile +    std::string fpga_img_path = loader_args.fpga_path; +    bool fpga_path_specified = !loader_args.fpga_path.empty(); +    if (not fpga_path_specified) { +        fpga_img_path = ( +            fs::path(uhd::get_pkg_path()) / "share" / "uhd" / "images" / "usrp_n230_fpga.bit" +        ).string(); +    } + +    if (not boost::filesystem::exists(fpga_img_path)) { +        if (fpga_path_specified) { +            throw uhd::runtime_error(str(boost::format("The file \"%s\" does not exist.") % fpga_img_path)); +        } else { +            throw uhd::runtime_error(str(boost::format( +                "Could not find the default FPGA image: %s.\n" +                "Either specify the --fpga-path argument or download the latest prebuilt images:\n" +                "%s\n") +            % fpga_img_path % print_utility_error("uhd_images_downloader.py"))); +        } +    } +    xil_bitfile_hdr_t hdr; +    _parse_bitfile_header(fpga_img_path, hdr); + +    // Create a UDP communication link +    udp_simple::sptr udp_xport = +        udp_simple::make_connected(dev["addr"],BOOST_STRINGIZE(N230_FW_COMMS_FLASH_PROG_PORT)); + +    if (hdr.valid and hdr.product == "n230") { +        if (hdr.userid != 0x5AFE0000) { +            std::cout << boost::format("Unit: USRP N230 (%s, %s)\n-- FPGA Image: %s\n") +                         % dev["addr"] % dev["serial"] % fpga_img_path; + +            // Write image +            std::ifstream image(fpga_img_path.c_str(), std::ios::binary); +            size_t image_size = boost::filesystem::file_size(fpga_img_path); + +            static const size_t SECTOR_SIZE = 65536; +            static const size_t IMAGE_BASE  = 0x400000; + +            n230_flash_prog_t out, in; +            size_t bytes_written = 0; +            while (bytes_written < image_size) { +                size_t payload_size = std::min<size_t>(image_size - bytes_written, N230_FLASH_COMM_MAX_PAYLOAD_SIZE); +                if (bytes_written % SECTOR_SIZE == 0) { +                    out.flags = htonx<boost::uint32_t>(N230_FLASH_COMM_FLAGS_ACK|N230_FLASH_COMM_CMD_ERASE_FPGA); +                    out.offset = htonx<boost::uint32_t>(bytes_written + IMAGE_BASE); +                    out.size = htonx<boost::uint32_t>(payload_size); +                    _send_and_recv(udp_xport, out, in); +                } +                out.flags = htonx<boost::uint32_t>(N230_FLASH_COMM_FLAGS_ACK|N230_FLASH_COMM_CMD_WRITE_FPGA); +                out.offset = htonx<boost::uint32_t>(bytes_written + IMAGE_BASE); +                out.size = htonx<boost::uint32_t>(payload_size); +                image.read((char*)out.data, payload_size); +                _send_and_recv(udp_xport, out, in); +                bytes_written += ntohx<boost::uint32_t>(in.size); +                std::cout << boost::format("\r-- Loading FPGA image: %d%%") +                             % (int(double(bytes_written) / double(image_size) * 100.0)) +                         << std::flush; +            } +            std::cout << std::endl << "FPGA image loaded successfully." << std::endl; +            std::cout << std::endl << "Power-cycle the device to run the image." << std::endl; +            return true; +        } else { +            throw uhd::runtime_error("This utility cannot burn a failsafe image!"); +        } +    } else { +        throw uhd::runtime_error(str(boost::format("The file at path \"%s\" is not a valid USRP N230 FPGA image.") +                                     % fpga_img_path)); +    } +} + +UHD_STATIC_BLOCK(register_n230_image_loader){ +    std::string recovery_instructions = "Aborting. Your USRP N230 device will likely boot in safe mode.\n" +                                        "Please re-run this command with the additional \"safe_mode\" device argument\n" +                                        "to recover your device."; + +    image_loader::register_image_loader("n230", n230_image_loader, recovery_instructions); +} diff --git a/host/lib/usrp/n230/n230_impl.cpp b/host/lib/usrp/n230/n230_impl.cpp new file mode 100644 index 000000000..5e8aa37b7 --- /dev/null +++ b/host/lib/usrp/n230/n230_impl.cpp @@ -0,0 +1,591 @@ +// +// Copyright 2014 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 "n230_impl.hpp" + +#include "usrp3_fw_ctrl_iface.hpp" +#include "validate_subdev_spec.hpp" +#include <uhd/utils/static.hpp> +#include <uhd/transport/if_addrs.hpp> +#include <uhd/transport/udp_zero_copy.hpp> +#include <uhd/usrp/subdev_spec.hpp> +#include <uhd/utils/byteswap.hpp> +#include <uhd/utils/log.hpp> +#include <uhd/utils/msg.hpp> +#include <uhd/types/sensors.hpp> +#include <uhd/types/ranges.hpp> +#include <uhd/types/direction.hpp> +#include <uhd/usrp/mboard_eeprom.hpp> +#include <uhd/usrp/dboard_eeprom.hpp> +#include <uhd/usrp/gps_ctrl.hpp> +#include <boost/format.hpp> +#include <boost/foreach.hpp> +#include <boost/lexical_cast.hpp> +#include <boost/bind.hpp> +#include <boost/algorithm/string.hpp> +#include <boost/assign/list_of.hpp> +#include <boost/asio/ip/address_v4.hpp> +#include <boost/asio.hpp> //used for htonl and ntohl +#include <boost/make_shared.hpp> + +#include "../common/fw_comm_protocol.h" +#include "n230_defaults.h" +#include "n230_fpga_defs.h" +#include "n230_fw_defs.h" +#include "n230_fw_host_iface.h" + +namespace uhd { namespace usrp { namespace n230 { + +using namespace uhd::transport; +namespace asio = boost::asio; + +//---------------------------------------------------------- +// Static device registration with framework +//---------------------------------------------------------- +UHD_STATIC_BLOCK(register_n230_device) +{ +    device::register_device(&n230_impl::n230_find, &n230_impl::n230_make, device::USRP); +} + +//---------------------------------------------------------- +// Device discovery +//---------------------------------------------------------- +uhd::device_addrs_t n230_impl::n230_find(const uhd::device_addr_t &multi_dev_hint) +{ +    //handle the multi-device discovery +    device_addrs_t hints = separate_device_addr(multi_dev_hint); +    if (hints.size() > 1){ +        device_addrs_t found_devices; +        std::string error_msg; +        BOOST_FOREACH(const device_addr_t &hint_i, hints){ +            device_addrs_t found_devices_i = n230_find(hint_i); +            if (found_devices_i.size() != 1) error_msg += str(boost::format( +                "Could not resolve device hint \"%s\" to a single device." +            ) % hint_i.to_string()); +            else found_devices.push_back(found_devices_i[0]); +        } +        if (found_devices.empty()) return device_addrs_t(); +        if (not error_msg.empty()) throw uhd::value_error(error_msg); +        return device_addrs_t(1, combine_device_addrs(found_devices)); +    } + +    //initialize the hint for a single device case +    UHD_ASSERT_THROW(hints.size() <= 1); +    hints.resize(1); //in case it was empty +    device_addr_t hint = hints[0]; +    device_addrs_t n230_addrs; + +    //return an empty list of addresses when type is set to non-n230 +    if (hint.has_key("type") and hint["type"] != "n230") return n230_addrs; + +    //Return an empty list of addresses when a resource is specified, +    //since a resource is intended for a different, non-networked, device. +    if (hint.has_key("resource")) return n230_addrs; + +    //if no address was specified, send a broadcast on each interface +    if (not hint.has_key("addr")) { +        BOOST_FOREACH(const if_addrs_t &if_addrs, get_if_addrs()) { +            //avoid the loopback device +            if (if_addrs.inet == asio::ip::address_v4::loopback().to_string()) continue; + +            //create a new hint with this broadcast address +            device_addr_t new_hint = hint; +            new_hint["addr"] = if_addrs.bcast; + +            //call discover with the new hint and append results +            device_addrs_t new_n230_addrs = n230_find(new_hint); +            n230_addrs.insert(n230_addrs.begin(), +                new_n230_addrs.begin(), new_n230_addrs.end() +            ); +        } +        return n230_addrs; +    } + +    std::vector<std::string> discovered_addrs = +        usrp3::usrp3_fw_ctrl_iface::discover_devices( +            hint["addr"], BOOST_STRINGIZE(N230_FW_COMMS_UDP_PORT), N230_FW_PRODUCT_ID); + +    BOOST_FOREACH(const std::string& addr, discovered_addrs) +    { +        device_addr_t new_addr; +        new_addr["type"] = "n230"; +        new_addr["addr"] = addr; + +        //Attempt a simple 2-way communication with a connected socket. +        //Reason: Although the USRP will respond the broadcast above, +        //we may not be able to communicate directly (non-broadcast). +        udp_simple::sptr ctrl_xport = udp_simple::make_connected(new_addr["addr"], BOOST_STRINGIZE(N230_FW_COMMS_UDP_PORT)); + +        //Corner case: If two devices have the same IP but different MAC +        //addresses and are used back-to-back it takes a while for ARP tables +        //on the host to update in which period brodcasts will respond but +        //connected communication can fail. Retry the following call to allow +        //the stack to update +        size_t first_conn_retries = 10; +        usrp3::usrp3_fw_ctrl_iface::sptr fw_ctrl; +        while (first_conn_retries > 0) { +            try { +                fw_ctrl = usrp3::usrp3_fw_ctrl_iface::make(ctrl_xport, N230_FW_PRODUCT_ID, false /*verbose*/); +                break; +            } catch (uhd::io_error& ex) { +                boost::this_thread::sleep(boost::posix_time::milliseconds(500)); +                first_conn_retries--; +            } +        } +        if (first_conn_retries > 0) { +            uint32_t compat_reg = fw_ctrl->peek32(fw::reg_addr(fw::WB_SBRB_BASE, fw::RB_ZPU_COMPAT)); +            if (fw::get_prod_num(compat_reg) == fw::PRODUCT_NUM) { +                if (!n230_resource_manager::is_device_claimed(fw_ctrl)) { +                    //Not claimed by another process or host +                    try { +                        //Try to read the EEPROM to get the name and serial +                        n230_eeprom_manager eeprom_mgr(new_addr["addr"]); +                        const mboard_eeprom_t& eeprom = eeprom_mgr.get_mb_eeprom(); +                        new_addr["name"] = eeprom["name"]; +                        new_addr["serial"] = eeprom["serial"]; +                    } +                    catch(const std::exception &) +                    { +                        //set these values as empty string so the device may still be found +                        //and the filter's below can still operate on the discovered device +                        new_addr["name"] = ""; +                        new_addr["serial"] = ""; +                    } +                    //filter the discovered device below by matching optional keys +                    if ((not hint.has_key("name")    or hint["name"]    == new_addr["name"]) and +                        (not hint.has_key("serial")  or hint["serial"]  == new_addr["serial"])) +                    { +                        n230_addrs.push_back(new_addr); +                    } +                } +            } +        } +    } + +    return n230_addrs; +} + +/*********************************************************************** + * Make + **********************************************************************/ +device::sptr n230_impl::n230_make(const device_addr_t &device_addr) +{ +    return device::sptr(new n230_impl(device_addr)); +} + +/*********************************************************************** + * n230_impl::ctor + **********************************************************************/ +n230_impl::n230_impl(const uhd::device_addr_t& dev_addr) +{ +    UHD_MSG(status) << "N230 initialization sequence..." << std::endl; +    _dev_args.parse(dev_addr); +    _tree = uhd::property_tree::make(); + +    //TODO: Only supports one motherboard per device class. +    const fs_path mb_path = "/mboards/0"; + +    //Initialize addresses +    std::vector<std::string> ip_addrs(1, dev_addr["addr"]); +    if (dev_addr.has_key("secondary-addr")) { +        ip_addrs.push_back(dev_addr["secondary-addr"]); +    } + +    //Read EEPROM and perform version checks before talking to HW +    _eeprom_mgr = boost::make_shared<n230_eeprom_manager>(ip_addrs[0]); +    const mboard_eeprom_t& mb_eeprom = _eeprom_mgr->get_mb_eeprom(); +    bool recover_mb_eeprom = dev_addr.has_key("recover_mb_eeprom"); +    if (recover_mb_eeprom) { +        UHD_MSG(warning) << "UHD is operating in EEPROM Recovery Mode which disables hardware version " +                            "checks.\nOperating in this mode may cause hardware damage and unstable " +                            "radio performance!"<< std::endl; +    } +    boost::uint16_t hw_rev = boost::lexical_cast<boost::uint16_t>(mb_eeprom["revision"]); +    boost::uint16_t hw_rev_compat = boost::lexical_cast<boost::uint16_t>(mb_eeprom["revision_compat"]); +    if (not recover_mb_eeprom) { +        if (hw_rev_compat > N230_HW_REVISION_COMPAT) { +            throw uhd::runtime_error(str(boost::format( +                "Hardware is too new for this software. Please upgrade to a driver that supports hardware revision %d.") +                % hw_rev)); +        } +    } + +    //Initialize all subsystems +    _resource_mgr = boost::make_shared<n230_resource_manager>(ip_addrs, _dev_args.get_safe_mode()); +    _stream_mgr = boost::make_shared<n230_stream_manager>(_dev_args, _resource_mgr, _tree); + +    //Build property tree +    _initialize_property_tree(mb_path); + +    //Debug loopback mode +    switch(_dev_args.get_loopback_mode()) { +    case n230_device_args_t::LOOPBACK_RADIO: +        UHD_MSG(status) << "DEBUG: Running in TX->RX Radio loopback mode.\n"; +        _resource_mgr->get_frontend_ctrl().set_self_test_mode(LOOPBACK_RADIO); +        break; +    case n230_device_args_t::LOOPBACK_CODEC: +        UHD_MSG(status) << "DEBUG: Running in TX->RX CODEC loopback mode.\n"; +        _resource_mgr->get_frontend_ctrl().set_self_test_mode(LOOPBACK_CODEC); +        break; +    default: +        _resource_mgr->get_frontend_ctrl().set_self_test_mode(LOOPBACK_DISABLED); +        break; +    } +} + +/*********************************************************************** + * n230_impl::dtor + **********************************************************************/ +n230_impl::~n230_impl() +{ +    _stream_mgr.reset(); +    _eeprom_mgr.reset(); +    _resource_mgr.reset(); +    _tree.reset(); +} + +/*********************************************************************** + * n230_impl::get_rx_stream + **********************************************************************/ +rx_streamer::sptr n230_impl::get_rx_stream(const uhd::stream_args_t &args) +{ +    return _stream_mgr->get_rx_stream(args); +} + +/*********************************************************************** + * n230_impl::get_tx_stream + **********************************************************************/ +tx_streamer::sptr n230_impl::get_tx_stream(const uhd::stream_args_t &args) +{ +    return _stream_mgr->get_tx_stream(args); +} + +/*********************************************************************** + * n230_impl::recv_async_msg + **********************************************************************/ +bool n230_impl::recv_async_msg(uhd::async_metadata_t &async_metadata, double timeout) +{ +    return _stream_mgr->recv_async_msg(async_metadata, timeout); +} + +/*********************************************************************** + * _initialize_property_tree + **********************************************************************/ +void n230_impl::_initialize_property_tree(const fs_path& mb_path) +{ +    //------------------------------------------------------------------ +    // General info +    //------------------------------------------------------------------ +    _tree->create<std::string>("/name").set("N230 Device"); + +    _tree->create<std::string>(mb_path / "name").set("N230"); +    _tree->create<std::string>(mb_path / "codename").set("N230"); +    _tree->create<std::string>(mb_path / "dboards").set("none");    //No dboards. + +    _tree->create<std::string>(mb_path / "fw_version").set(str(boost::format("%u.%u") +        % _resource_mgr->get_version(FIRMWARE, COMPAT_MAJOR) +        % _resource_mgr->get_version(FIRMWARE, COMPAT_MINOR))); +    _tree->create<std::string>(mb_path / "fw_version_hash").set(str(boost::format("%s") +        % _resource_mgr->get_version_hash(FIRMWARE))); +    _tree->create<std::string>(mb_path / "fpga_version").set(str(boost::format("%u.%u") +        % _resource_mgr->get_version(FPGA, COMPAT_MAJOR) +        % _resource_mgr->get_version(FPGA, COMPAT_MINOR))); +    _tree->create<std::string>(mb_path / "fpga_version_hash").set(str(boost::format("%s") +        % _resource_mgr->get_version_hash(FPGA))); + +    _tree->create<double>(mb_path / "link_max_rate").set(_resource_mgr->get_max_link_rate()); + +    //------------------------------------------------------------------ +    // EEPROM +    //------------------------------------------------------------------ +    _tree->create<mboard_eeprom_t>(mb_path / "eeprom") +        .set(_eeprom_mgr->get_mb_eeprom())  //Set first... +        .add_coerced_subscriber(boost::bind(&n230_eeprom_manager::write_mb_eeprom, _eeprom_mgr, _1));  //..then enable writer + +    //------------------------------------------------------------------ +    // Create codec nodes +    //------------------------------------------------------------------ +    const fs_path rx_codec_path = mb_path / ("rx_codecs") / "A"; +    _tree->create<std::string>(rx_codec_path / "name") +        .set("N230 RX dual ADC"); +    _tree->create<int>(rx_codec_path / "gains");    //Empty because gains are in frontend + +    const fs_path tx_codec_path = mb_path / ("tx_codecs") / "A"; +    _tree->create<std::string>(tx_codec_path / "name") +        .set("N230 TX dual DAC"); +    _tree->create<int>(tx_codec_path / "gains");    //Empty because gains are in frontend + +    //------------------------------------------------------------------ +    // Create clock and time control nodes +    //------------------------------------------------------------------ +    _tree->create<double>(mb_path / "tick_rate") +        .set_coercer(boost::bind(&n230_clk_pps_ctrl::set_tick_rate, _resource_mgr->get_clk_pps_ctrl_sptr(), _1)) +        .set_publisher(boost::bind(&n230_clk_pps_ctrl::get_tick_rate, _resource_mgr->get_clk_pps_ctrl_sptr())) +        .add_coerced_subscriber(boost::bind(&n230_stream_manager::update_tick_rate, _stream_mgr, _1)); + +    //Register time now and pps onto available radio cores +    //radio0 is the master +    _tree->create<time_spec_t>(mb_path / "time" / "cmd"); +    _tree->create<time_spec_t>(mb_path / "time" / "now") +        .set_publisher(boost::bind(&time_core_3000::get_time_now, _resource_mgr->get_radio(0).time)); +    _tree->create<time_spec_t>(mb_path / "time" / "pps") +        .set_publisher(boost::bind(&time_core_3000::get_time_last_pps, _resource_mgr->get_radio(0).time)); + +    //Setup time source props +    _tree->create<std::string>(mb_path / "time_source" / "value") +        .add_coerced_subscriber(boost::bind(&n230_impl::_check_time_source, this, _1)) +        .add_coerced_subscriber(boost::bind(&n230_clk_pps_ctrl::set_pps_source, _resource_mgr->get_clk_pps_ctrl_sptr(), _1)) +        .set(n230::DEFAULT_TIME_SRC); +    static const std::vector<std::string> time_sources = boost::assign::list_of("none")("external")("gpsdo"); +    _tree->create<std::vector<std::string> >(mb_path / "time_source" / "options") +        .set(time_sources); + +    //Setup reference source props +    _tree->create<std::string>(mb_path / "clock_source" / "value") +        .add_coerced_subscriber(boost::bind(&n230_impl::_check_clock_source, this, _1)) +        .add_coerced_subscriber(boost::bind(&n230_clk_pps_ctrl::set_clock_source, _resource_mgr->get_clk_pps_ctrl_sptr(), _1)) +        .set(n230::DEFAULT_CLOCK_SRC); +    static const std::vector<std::string> clock_sources = boost::assign::list_of("internal")("external")("gpsdo"); +    _tree->create<std::vector<std::string> >(mb_path / "clock_source" / "options") +        .set(clock_sources); +    _tree->create<sensor_value_t>(mb_path / "sensors" / "ref_locked") +        .set_publisher(boost::bind(&n230_clk_pps_ctrl::get_ref_locked, _resource_mgr->get_clk_pps_ctrl_sptr())); + +    //------------------------------------------------------------------ +    // Create frontend mapping +    //------------------------------------------------------------------ +    _tree->create<subdev_spec_t>(mb_path / "rx_subdev_spec") +        .set(subdev_spec_t()) +        .add_coerced_subscriber(boost::bind(&n230_impl::_update_rx_subdev_spec, this, _1)); +    _tree->create<subdev_spec_t>(mb_path / "tx_subdev_spec") +        .set(subdev_spec_t()) +        .add_coerced_subscriber(boost::bind(&n230_impl::_update_tx_subdev_spec, this, _1)); + +    //------------------------------------------------------------------ +    // Create a fake dboard to put frontends in +    //------------------------------------------------------------------ +    //For completeness we give it a fake EEPROM as well +    dboard_eeprom_t db_eeprom;  //Default state: ID is 0xffff, Version and serial empty +    _tree->create<dboard_eeprom_t>(mb_path / "dboards" / "A" / "rx_eeprom").set(db_eeprom); +    _tree->create<dboard_eeprom_t>(mb_path / "dboards" / "A" / "tx_eeprom").set(db_eeprom); +    _tree->create<dboard_eeprom_t>(mb_path / "dboards" / "A" / "gdb_eeprom").set(db_eeprom); + +    //------------------------------------------------------------------ +    // Create radio specific nodes +    //------------------------------------------------------------------ +    for (size_t radio_instance = 0; radio_instance < fpga::NUM_RADIOS; radio_instance++) { +        _initialize_radio_properties(mb_path, radio_instance); +    } +    //Update tick rate on newly created radio objects +    _tree->access<double>(mb_path / "tick_rate").set(_dev_args.get_master_clock_rate()); + +    //------------------------------------------------------------------ +    // Initialize subdev specs +    //------------------------------------------------------------------ +    subdev_spec_t rx_spec, tx_spec; +    BOOST_FOREACH(const std::string &fe, _tree->list(mb_path / "dboards" / "A" / "rx_frontends")) +    { +        rx_spec.push_back(subdev_spec_pair_t("A", fe)); +    } +    BOOST_FOREACH(const std::string &fe, _tree->list(mb_path / "dboards" / "A" / "tx_frontends")) +    { +        tx_spec.push_back(subdev_spec_pair_t("A", fe)); +    } +    _tree->access<subdev_spec_t>(mb_path / "rx_subdev_spec").set(rx_spec); +    _tree->access<subdev_spec_t>(mb_path / "tx_subdev_spec").set(tx_spec); + +    //------------------------------------------------------------------ +    // MiniSAS GPIO +    //------------------------------------------------------------------ +    _tree->create<boost::uint32_t>(mb_path / "gpio" / "FP0" / "DDR") +        .set(0) +        .add_coerced_subscriber(boost::bind(&gpio_atr::gpio_atr_3000::set_gpio_attr, +            _resource_mgr->get_minisas_gpio_ctrl_sptr(0), gpio_atr::GPIO_DDR, _1)); +    _tree->create<boost::uint32_t>(mb_path / "gpio" / "FP1" / "DDR") +        .set(0) +        .add_coerced_subscriber(boost::bind(&gpio_atr::gpio_atr_3000::set_gpio_attr, +            _resource_mgr->get_minisas_gpio_ctrl_sptr(1), gpio_atr::GPIO_DDR, _1)); +    _tree->create<boost::uint32_t>(mb_path / "gpio" / "FP0" / "OUT") +        .set(0) +        .add_coerced_subscriber(boost::bind(&gpio_atr::gpio_atr_3000::set_gpio_attr, +            _resource_mgr->get_minisas_gpio_ctrl_sptr(0), gpio_atr::GPIO_OUT, _1)); +    _tree->create<boost::uint32_t>(mb_path / "gpio" / "FP1" / "OUT") +        .set(0) +        .add_coerced_subscriber(boost::bind(&gpio_atr::gpio_atr_3000::set_gpio_attr, +            _resource_mgr->get_minisas_gpio_ctrl_sptr(1), gpio_atr::GPIO_OUT, _1)); +    _tree->create<boost::uint32_t>(mb_path / "gpio" / "FP0" / "READBACK") +        .set_publisher(boost::bind(&gpio_atr::gpio_atr_3000::read_gpio, _resource_mgr->get_minisas_gpio_ctrl_sptr(0))); +    _tree->create<boost::uint32_t>(mb_path / "gpio" / "FP1" / "READBACK") +        .set_publisher(boost::bind(&gpio_atr::gpio_atr_3000::read_gpio, _resource_mgr->get_minisas_gpio_ctrl_sptr(1))); + +    //------------------------------------------------------------------ +    // GPSDO sensors +    //------------------------------------------------------------------ +    if (_resource_mgr->is_gpsdo_present()) { +        uhd::gps_ctrl::sptr gps_ctrl = _resource_mgr->get_gps_ctrl(); +        BOOST_FOREACH(const std::string &name, gps_ctrl->get_sensors()) +        { +            _tree->create<sensor_value_t>(mb_path / "sensors" / name) +                .set_publisher(boost::bind(&gps_ctrl::get_sensor, gps_ctrl, name)); +        } +    } +} + +/*********************************************************************** + * _initialize_radio_properties + **********************************************************************/ +void n230_impl::_initialize_radio_properties(const fs_path& mb_path, size_t instance) +{ +    radio_resource_t& perif = _resource_mgr->get_radio(instance); + +    //Time +    _tree->access<time_spec_t>(mb_path / "time" / "cmd") +        .add_coerced_subscriber(boost::bind(&radio_ctrl_core_3000::set_time, perif.ctrl, _1)); +    _tree->access<double>(mb_path / "tick_rate") +        .add_coerced_subscriber(boost::bind(&radio_ctrl_core_3000::set_tick_rate, perif.ctrl, _1)); +    _tree->access<time_spec_t>(mb_path / "time" / "now") +        .add_coerced_subscriber(boost::bind(&time_core_3000::set_time_now, perif.time, _1)); +    _tree->access<time_spec_t>(mb_path / "time" / "pps") +        .add_coerced_subscriber(boost::bind(&time_core_3000::set_time_next_pps, perif.time, _1)); + +    //RX DSP +    _tree->access<double>(mb_path / "tick_rate") +        .add_coerced_subscriber(boost::bind(&rx_vita_core_3000::set_tick_rate, perif.framer, _1)) +        .add_coerced_subscriber(boost::bind(&rx_dsp_core_3000::set_tick_rate, perif.ddc, _1)); +    const fs_path rx_dsp_path = mb_path / "rx_dsps" / str(boost::format("%u") % instance); +    _tree->create<meta_range_t>(rx_dsp_path / "rate" / "range") +        .set_publisher(boost::bind(&rx_dsp_core_3000::get_host_rates, perif.ddc)); +    _tree->create<double>(rx_dsp_path / "rate" / "value") +        .set_coercer(boost::bind(&rx_dsp_core_3000::set_host_rate, perif.ddc, _1)) +        .add_coerced_subscriber(boost::bind(&n230_stream_manager::update_rx_samp_rate, _stream_mgr, instance, _1)) +        .set(n230::DEFAULT_RX_SAMP_RATE); +    _tree->create<double>(rx_dsp_path / "freq" / "value") +        .set_coercer(boost::bind(&rx_dsp_core_3000::set_freq, perif.ddc, _1)) +        .set(n230::DEFAULT_DDC_FREQ); +    _tree->create<meta_range_t>(rx_dsp_path / "freq" / "range") +        .set_publisher(boost::bind(&rx_dsp_core_3000::get_freq_range, perif.ddc)); +    _tree->create<stream_cmd_t>(rx_dsp_path / "stream_cmd") +        .add_coerced_subscriber(boost::bind(&rx_vita_core_3000::issue_stream_command, perif.framer, _1)); + +    //TX DSP +    _tree->access<double>(mb_path / "tick_rate") +        .add_coerced_subscriber(boost::bind(&tx_dsp_core_3000::set_tick_rate, perif.duc, _1)); +    const fs_path tx_dsp_path = mb_path / "tx_dsps" / str(boost::format("%u") % instance); +    _tree->create<meta_range_t>(tx_dsp_path / "rate" / "range") +        .set_publisher(boost::bind(&tx_dsp_core_3000::get_host_rates, perif.duc)); +    _tree->create<double>(tx_dsp_path / "rate" / "value") +        .set_coercer(boost::bind(&tx_dsp_core_3000::set_host_rate, perif.duc, _1)) +        .add_coerced_subscriber(boost::bind(&n230_stream_manager::update_tx_samp_rate, _stream_mgr, instance, _1)) +        .set(n230::DEFAULT_TX_SAMP_RATE); +    _tree->create<double>(tx_dsp_path / "freq" / "value") +        .set_coercer(boost::bind(&tx_dsp_core_3000::set_freq, perif.duc, _1)) +        .set(n230::DEFAULT_DUC_FREQ); +    _tree->create<meta_range_t>(tx_dsp_path / "freq" / "range") +        .set_publisher(boost::bind(&tx_dsp_core_3000::get_freq_range, perif.duc)); + +    //RF Frontend Interfacing +    static const std::vector<direction_t> data_directions = boost::assign::list_of(RX_DIRECTION)(TX_DIRECTION); +    BOOST_FOREACH(direction_t direction, data_directions) { +        const std::string dir_str = (direction == RX_DIRECTION) ? "rx" : "tx"; +        const std::string key = boost::to_upper_copy(dir_str) + str(boost::format("%u") % (instance + 1)); +        const fs_path rf_fe_path = mb_path / "dboards" / "A" / (dir_str + "_frontends") / ((instance==0)?"A":"B"); + +        //CODEC subtree +        _resource_mgr->get_codec_mgr().populate_frontend_subtree(_tree->subtree(rf_fe_path), key, direction); + +        //User settings +        _tree->create<uhd::wb_iface::sptr>(rf_fe_path / "user_settings" / "iface") +            .set(perif.user_settings); + +        //Setup antenna stuff +        if (key[0] == 'R') { +            static const std::vector<std::string> ants = boost::assign::list_of("TX/RX")("RX2"); +            _tree->create<std::vector<std::string> >(rf_fe_path / "antenna" / "options") +                .set(ants); +            _tree->create<std::string>(rf_fe_path / "antenna" / "value") +                .add_coerced_subscriber(boost::bind(&n230_frontend_ctrl::set_antenna_sel, _resource_mgr->get_frontend_ctrl_sptr(), instance, _1)) +                .set("RX2"); +        } +        if (key[0] == 'T') { +            static const std::vector<std::string> ants(1, "TX/RX"); +            _tree->create<std::vector<std::string> >(rf_fe_path / "antenna" / "options") +                .set(ants); +            _tree->create<std::string>(rf_fe_path / "antenna" / "value") +                .set("TX/RX"); +        } +    } +} + +void n230_impl::_update_rx_subdev_spec(const uhd::usrp::subdev_spec_t &spec) +{ +    //sanity checking +    if (spec.size()) validate_subdev_spec(_tree, spec, "rx"); +    UHD_ASSERT_THROW(spec.size() <= fpga::NUM_RADIOS); + +    if (spec.size() > 0) { +        UHD_ASSERT_THROW(spec[0].db_name == "A"); +        UHD_ASSERT_THROW(spec[0].sd_name == "A"); +    } +    if (spec.size() > 1) { +        //TODO we can support swapping at a later date, only this combo is supported +        UHD_ASSERT_THROW(spec[1].db_name == "A"); +        UHD_ASSERT_THROW(spec[1].sd_name == "B"); +    } + +    _stream_mgr->update_stream_states(); +} + +void n230_impl::_update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &spec) +{ +    //sanity checking +    if (spec.size()) validate_subdev_spec(_tree, spec, "tx"); +    UHD_ASSERT_THROW(spec.size() <= fpga::NUM_RADIOS); + +    if (spec.size() > 0) { +        UHD_ASSERT_THROW(spec[0].db_name == "A"); +        UHD_ASSERT_THROW(spec[0].sd_name == "A"); +    } +    if (spec.size() > 1) { +        //TODO we can support swapping at a later date, only this combo is supported +        UHD_ASSERT_THROW(spec[1].db_name == "A"); +        UHD_ASSERT_THROW(spec[1].sd_name == "B"); +    } + +    _stream_mgr->update_stream_states(); +} + +void n230_impl::_check_time_source(std::string source) +{ +    if (source == "gpsdo") +    { +        uhd::gps_ctrl::sptr gps_ctrl = _resource_mgr->get_gps_ctrl(); +        if (not (gps_ctrl and gps_ctrl->gps_detected())) +            throw uhd::runtime_error("GPSDO time source not available"); +    } +} + +void n230_impl::_check_clock_source(std::string source) +{ +    if (source == "gpsdo") +    { +        uhd::gps_ctrl::sptr gps_ctrl = _resource_mgr->get_gps_ctrl(); +        if (not (gps_ctrl and gps_ctrl->gps_detected())) +            throw uhd::runtime_error("GPSDO clock source not available"); +    } +} + +}}} //namespace diff --git a/host/lib/usrp/n230/n230_impl.hpp b/host/lib/usrp/n230/n230_impl.hpp new file mode 100644 index 000000000..b644dd8a3 --- /dev/null +++ b/host/lib/usrp/n230/n230_impl.hpp @@ -0,0 +1,81 @@ +// +// Copyright 2014 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/>. +// + +#ifndef INCLUDED_N230_IMPL_HPP +#define INCLUDED_N230_IMPL_HPP + +#include <uhd/property_tree.hpp> +#include <uhd/device.hpp> +#include <uhd/usrp/subdev_spec.hpp> + +#include "n230_device_args.hpp" +#include "n230_eeprom_manager.hpp" +#include "n230_resource_manager.hpp" +#include "n230_stream_manager.hpp" +#include "recv_packet_demuxer_3000.hpp" + +namespace uhd { namespace usrp { namespace n230 { + +class n230_impl : public uhd::device +{ +public: //Functions +    // ctor and dtor +    n230_impl(const uhd::device_addr_t& device_addr); +    virtual ~n230_impl(void); + +    //--------------------------------------------------------------------- +    // uhd::device interface +    // +    static sptr make(const uhd::device_addr_t &hint, size_t which = 0); + +    //! Make a new receive streamer from the streamer arguments +    virtual uhd::rx_streamer::sptr get_rx_stream(const uhd::stream_args_t &args); + +    //! Make a new transmit streamer from the streamer arguments +    virtual uhd::tx_streamer::sptr get_tx_stream(const uhd::stream_args_t &args); + +    //!Receive and asynchronous message from the device. +    virtual bool recv_async_msg(uhd::async_metadata_t &async_metadata, double timeout = 0.1); + +    //!Registration methods the discovery and factory system. +    //[static void register_device(const find_t &find, const make_t &make)] +    static uhd::device_addrs_t n230_find(const uhd::device_addr_t &hint); +    static uhd::device::sptr n230_make(const uhd::device_addr_t &device_addr); +    // +    //--------------------------------------------------------------------- + +    typedef uhd::transport::bounded_buffer<uhd::async_metadata_t> async_md_type; + +private:    //Functions +    void _initialize_property_tree(const fs_path& mb_path); +    void _initialize_radio_properties(const fs_path& mb_path, size_t instance); + +    void _update_rx_subdev_spec(const uhd::usrp::subdev_spec_t &); +    void _update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &); +    void _check_time_source(std::string); +    void _check_clock_source(std::string); + +private:    //Classes and Members +    n230_device_args_t                        _dev_args; +    boost::shared_ptr<n230_resource_manager>  _resource_mgr; +    boost::shared_ptr<n230_eeprom_manager>    _eeprom_mgr; +    boost::shared_ptr<n230_stream_manager>    _stream_mgr; +}; + +}}} //namespace + +#endif /* INCLUDED_N230_IMPL_HPP */ diff --git a/host/lib/usrp/n230/n230_resource_manager.cpp b/host/lib/usrp/n230/n230_resource_manager.cpp new file mode 100644 index 000000000..f13dd0b33 --- /dev/null +++ b/host/lib/usrp/n230/n230_resource_manager.cpp @@ -0,0 +1,569 @@ +// +// Copyright 2013 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 "n230_resource_manager.hpp" + +#include "usrp3_fw_ctrl_iface.hpp" +#include <uhd/transport/if_addrs.hpp> +#include <uhd/transport/udp_zero_copy.hpp> +#include <uhd/utils/byteswap.hpp> +#include <uhd/utils/msg.hpp> +#include <uhd/utils/platform.hpp> +#include <uhd/utils/paths.hpp> +#include <boost/format.hpp> +#include <boost/thread.hpp> +#include <boost/lexical_cast.hpp> +#include <boost/functional/hash.hpp> +#include <boost/lexical_cast.hpp> +#include <boost/make_shared.hpp> +#include "n230_fw_defs.h" +#include "n230_fw_host_iface.h" + +#define IF_DATA_I_MASK  0xFFF00000 +#define IF_DATA_Q_MASK  0x0000FFF0 + +namespace uhd { namespace usrp { namespace n230 { + +//Constants +static const uint8_t N230_HOST_SRC_ADDR_ETH0 = 0; +static const uint8_t N230_HOST_SRC_ADDR_ETH1 = 1; +static const uint8_t N230_HOST_DEST_ADDR     = 2; + +static const uint8_t N230_ETH0_IFACE_ID  = 0; +static const uint8_t N230_ETH1_IFACE_ID  = 1; + +class n230_ad9361_client_t : public ad9361_params { +public: +    ~n230_ad9361_client_t() {} +    double get_band_edge(frequency_band_t band) { +        switch (band) { +            case AD9361_RX_BAND0:   return 2.2e9; +            case AD9361_RX_BAND1:   return 4.0e9; +            case AD9361_TX_BAND0:   return 2.5e9; +            default:                return 0; +        } +    } +    clocking_mode_t get_clocking_mode() { +        return AD9361_XTAL_N_CLK_PATH; +    } +    digital_interface_mode_t get_digital_interface_mode() { +        return AD9361_DDR_FDD_LVDS; +    } +    digital_interface_delays_t get_digital_interface_timing() { +        digital_interface_delays_t delays; +        delays.rx_clk_delay = 0; +        delays.rx_data_delay = 0; +        delays.tx_clk_delay = 0; +        delays.tx_data_delay = 2; +        return delays; +    } +}; + +n230_resource_manager::n230_resource_manager( +    const std::vector<std::string> ip_addrs, +    const bool safe_mode +) : +    _safe_mode(safe_mode), +    _last_host_enpoint(0) +{ +    if (_safe_mode) UHD_MSG(warning) << "Initializing device in safe mode\n"; +    UHD_MSG(status) << "Setup basic communication...\n"; + +    //Discover ethernet interfaces +    bool dual_eth_expected = (ip_addrs.size() > 1); +    BOOST_FOREACH(const std::string& addr, ip_addrs) { +        n230_eth_conn_t conn_iface; +        conn_iface.ip_addr = addr; + +        boost::uint32_t iface_id = 0xFFFFFFFF; +        try { +            iface_id = usrp3::usrp3_fw_ctrl_iface::get_iface_id( +                conn_iface.ip_addr, BOOST_STRINGIZE(N230_FW_COMMS_UDP_PORT), N230_FW_PRODUCT_ID); +        } catch (uhd::io_error&) { +            throw uhd::io_error(str(boost::format( +                "Could not communicate with the device over address %s") % +                conn_iface.ip_addr)); +        } +        switch (iface_id) { +            case N230_ETH0_IFACE_ID: conn_iface.type = ETH0; break; +            case N230_ETH1_IFACE_ID: conn_iface.type = ETH1; break; +            default: { +                if (dual_eth_expected) { +                    throw uhd::runtime_error("N230 Initialization Error: Could not detect ethernet port number."); +                } else { +                    //For backwards compatibility, if only one port is specified, assume that a detection +                    //failure means that the device does not support dual-ethernet behavior. +                    conn_iface.type = ETH0; break; +                } +            } +        } +        _eth_conns.push_back(conn_iface); +    } +    if (_eth_conns.size() < 1) { +        throw uhd::runtime_error("N230 Initialization Error: No eth interfaces specified.)"); +    } + +    //Create firmware communication interface +    _fw_ctrl = usrp3::usrp3_fw_ctrl_iface::make( +        transport::udp_simple::make_connected( +            _get_conn(PRI_ETH).ip_addr, BOOST_STRINGIZE(N230_FW_COMMS_UDP_PORT)), N230_FW_PRODUCT_ID); +    if (_fw_ctrl.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create n230_ctrl_iface.)"); +    } +    _check_fw_compat(); + +    //Start the device claimer +    _claimer_task = uhd::task::make(boost::bind(&n230_resource_manager::_claimer_loop, this)); + +    //Create common settings interface +    const sid_t core_sid = _generate_sid(CORE, _get_conn(PRI_ETH).type); + +    transport::udp_zero_copy::buff_params dummy_out_params; +    transport::zero_copy_if::sptr core_xport = +        _create_transport(_get_conn(PRI_ETH), core_sid, device_addr_t(), dummy_out_params); +    if (core_xport.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create settings transport.)"); +    } +    _core_ctrl = radio_ctrl_core_3000::make( +        fpga::CVITA_BIG_ENDIAN, core_xport, core_xport, core_sid.get()); +    if (_core_ctrl.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create settings ctrl.)"); +    } +    _check_fpga_compat(); + +    UHD_MSG(status) << boost::format("Version signatures... Firmware:%s FPGA:%s...\n") +        % _fw_version.get_hash_str() % _fpga_version.get_hash_str(); + +    _core_radio_ctrl_reg.initialize(*_core_ctrl, true /*flush*/); +    _core_misc_reg.initialize(*_core_ctrl, true /*flush*/); +    _core_pps_sel_reg.initialize(*_core_ctrl, true /*flush*/); +    _core_status_reg.initialize(*_core_ctrl); + +    //Create common SPI interface +    _core_spi_ctrl = n230_core_spi_core::make(_core_ctrl); +    if (_core_spi_ctrl.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create SPI ctrl.)"); +    } + +    //Create AD9361 interface +    UHD_MSG(status) << "Initializing CODEC...\n"; +    _codec_ctrl = ad9361_ctrl::make_spi( +        boost::make_shared<n230_ad9361_client_t>(), _core_spi_ctrl, fpga::AD9361_SPI_SLAVE_NUM); +    if (_codec_ctrl.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create Catalina ctrl.)"); +    } +    _codec_ctrl->set_clock_rate(fpga::CODEC_DEFAULT_CLK_RATE); +    _codec_mgr = ad936x_manager::make(_codec_ctrl, fpga::NUM_RADIOS); +    _codec_mgr->init_codec(); + +    //Create AD4001 interface +    _ref_pll_ctrl = boost::make_shared<n230_ref_pll_ctrl>(_core_spi_ctrl); +    if (_ref_pll_ctrl.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create ADF4001 ctrl.)"); +    } + +    //Reset SERDES interface and synchronize to frame sync from AD9361 +    _reset_codec_digital_interface(); + +    std::vector<time_core_3000::sptr> time_cores; +    std::vector<gpio_atr::gpio_atr_3000::sptr> gpio_cores; +    for (size_t i = 0; i < fpga::NUM_RADIOS; i++) { +        _initialize_radio(i); +        time_cores.push_back(_radios[i].time); +        gpio_cores.push_back(_radios[i].gpio_atr); +    } + +    //Create clock and PPS control interface +    _clk_pps_ctrl = n230_clk_pps_ctrl::make( +        _codec_ctrl, _ref_pll_ctrl, _core_misc_reg, _core_pps_sel_reg, _core_status_reg, time_cores); +    if (_clk_pps_ctrl.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create clock and PPS ctrl.)"); +    } + +    //Create front-end control interface +    _frontend_ctrl = n230_frontend_ctrl::make(_core_ctrl, _core_misc_reg, _codec_ctrl, gpio_cores); +    if (_frontend_ctrl.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create front-end ctrl.)"); +    } + +    //Create miniSAS GPIO interfaces +    _ms0_gpio = gpio_atr::gpio_atr_3000::make( +        _core_ctrl, fpga::sr_addr(fpga::SR_CORE_MS0_GPIO), fpga::rb_addr(fpga::RB_CORE_MS0_GPIO)); +    _ms0_gpio->set_atr_mode(gpio_atr::MODE_GPIO,gpio_atr::gpio_atr_3000::MASK_SET_ALL); +    _ms1_gpio = gpio_atr::gpio_atr_3000::make( +        _core_ctrl, fpga::sr_addr(fpga::SR_CORE_MS1_GPIO), fpga::rb_addr(fpga::RB_CORE_MS1_GPIO)); +    _ms1_gpio->set_atr_mode(gpio_atr::MODE_GPIO,gpio_atr::gpio_atr_3000::MASK_SET_ALL); + +    //Create GPSDO interface +    if (_core_status_reg.read(fpga::core_status_reg_t::GPSDO_STATUS) != fpga::GPSDO_ST_ABSENT) { +        UHD_MSG(status) << "Detecting GPSDO.... " << std::flush; +        try { +            const sid_t gps_uart_sid = _generate_sid(GPS_UART, _get_conn(PRI_ETH).type); +            transport::zero_copy_if::sptr gps_uart_xport = +                _create_transport(_get_conn(PRI_ETH), gps_uart_sid, device_addr_t(), dummy_out_params); +            _gps_uart = n230_uart::make(gps_uart_xport, uhd::htonx(gps_uart_sid.get())); +            _gps_uart->set_baud_divider(fpga::BUS_CLK_RATE/fpga::GPSDO_UART_BAUDRATE); +            _gps_uart->write_uart("\n"); //cause the baud and response to be setup +            boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for a little propagation +            _gps_ctrl = gps_ctrl::make(_gps_uart); +        } catch(std::exception &e) { +            UHD_MSG(error) << "An error occurred making GPSDO control: " << e.what() << std::endl; +        } +        if (not is_gpsdo_present()) { +            _core_ctrl->poke32(fpga::sr_addr(fpga::SR_CORE_GPSDO_ST), fpga::GPSDO_ST_ABSENT); +        } +    } + +    //Perform data self-tests +    _frontend_ctrl->set_stream_state(TXRX_STREAMING, TXRX_STREAMING); +    for (size_t i = 0; i < fpga::NUM_RADIOS; i++) { +        _frontend_ctrl->set_self_test_mode(LOOPBACK_RADIO); +        bool radio_selftest_pass = _radio_data_loopback_self_test(_radios[i].ctrl); +        if (!radio_selftest_pass) { +            throw uhd::runtime_error("N230 Initialization Error: Data loopback test failed.)"); +        } + +        _frontend_ctrl->set_self_test_mode(LOOPBACK_CODEC); +        bool codec_selftest_pass = _radio_data_loopback_self_test(_radios[i].ctrl); +        if (!codec_selftest_pass) { +            throw uhd::runtime_error("N230 Initialization Error: Codec loopback test failed.)"); +        } +    } +    _frontend_ctrl->set_self_test_mode(LOOPBACK_DISABLED); +    _frontend_ctrl->set_stream_state(NONE_STREAMING, NONE_STREAMING); +} + +n230_resource_manager::~n230_resource_manager() +{ +    _claimer_task.reset(); +    {   //Critical section +        boost::mutex::scoped_lock(_claimer_mutex); +        _fw_ctrl->poke32(N230_FW_HOST_SHMEM_OFFSET(claim_time), 0); +        _fw_ctrl->poke32(N230_FW_HOST_SHMEM_OFFSET(claim_src), 0); +    } +} + +transport::zero_copy_if::sptr n230_resource_manager::create_transport( +    n230_data_dir_t direction, +    size_t radio_instance, +    const device_addr_t ¶ms, +    sid_t& sid_pair, +    transport::udp_zero_copy::buff_params& buff_out_params) +{ +    const n230_eth_conn_t& conn = _get_conn((radio_instance==1)?SEC_ETH:PRI_ETH); +    const sid_t temp_sid_pair = +        _generate_sid(direction==RX_DATA?RADIO_RX_DATA:RADIO_TX_DATA, conn.type, radio_instance); +    transport::zero_copy_if::sptr xport = _create_transport(conn, temp_sid_pair, params, buff_out_params); +    if (xport.get() == NULL) { +        throw uhd::runtime_error("N230 Create Data Transport: Could not create data transport.)"); +    } else { +        sid_pair = temp_sid_pair; +    } +    return xport; +} + +bool n230_resource_manager::is_device_claimed(uhd::usrp::usrp3::usrp3_fw_ctrl_iface::sptr fw_ctrl) +{ +    boost::mutex::scoped_lock(_claimer_mutex); + +    //If timed out then device is definitely unclaimed +    if (fw_ctrl->peek32(N230_FW_HOST_SHMEM_OFFSET(claim_status)) == 0) +        return false; + +    //otherwise check claim src to determine if another thread with the same src has claimed the device +    return fw_ctrl->peek32(N230_FW_HOST_SHMEM_OFFSET(claim_src)) != get_process_hash(); +} + +void n230_resource_manager::_claimer_loop() +{ +    {   //Critical section +        boost::mutex::scoped_lock(_claimer_mutex); +        _fw_ctrl->poke32(N230_FW_HOST_SHMEM_OFFSET(claim_time), time(NULL)); +        _fw_ctrl->poke32(N230_FW_HOST_SHMEM_OFFSET(claim_src), get_process_hash()); +    } +    boost::this_thread::sleep(boost::posix_time::milliseconds(N230_CLAIMER_TIMEOUT_IN_MS / 2)); +} + +void n230_resource_manager::_initialize_radio(size_t instance) +{ +    radio_resource_t& radio = _radios[instance]; + +    //Create common settings interface +    const sid_t ctrl_sid = _generate_sid(RADIO_CONTROL, _get_conn(PRI_ETH).type, instance); +    transport::udp_zero_copy::buff_params buff_out_params; +    transport::zero_copy_if::sptr ctrl_xport = +        _create_transport(_get_conn(PRI_ETH), ctrl_sid, device_addr_t(), buff_out_params); +    if (ctrl_xport.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create radio transport.)"); +    } +    radio.ctrl = radio_ctrl_core_3000::make( +        fpga::CVITA_BIG_ENDIAN, ctrl_xport, ctrl_xport, ctrl_sid.get()); +    if (radio.ctrl.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create radio ctrl.)"); +    } + +    //Perform register loopback test to verify the radio clock +    bool reg_selftest_pass = _radio_register_loopback_self_test(radio.ctrl); +    if (!reg_selftest_pass) { +        throw uhd::runtime_error("N230 Initialization Error: Register loopback test failed.)"); +    } + +    //Write-only ATR interface +    radio.gpio_atr = gpio_atr::gpio_atr_3000::make_write_only(radio.ctrl, fpga::sr_addr(fpga::SR_RADIO_ATR)); +    radio.gpio_atr->set_atr_mode(gpio_atr::MODE_ATR,gpio_atr::gpio_atr_3000::MASK_SET_ALL); + +    //Core VITA time interface +    time_core_3000::readback_bases_type time_bases; +    time_bases.rb_now = fpga::rb_addr(fpga::RB_RADIO_TIME_NOW); +    time_bases.rb_pps = fpga::rb_addr(fpga::RB_RADIO_TIME_PPS); +    radio.time = time_core_3000::make(radio.ctrl, fpga::sr_addr(fpga::SR_RADIO_TIME), time_bases); +    if (radio.time.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create time core.)"); +    } + +    //RX DSP +    radio.framer = rx_vita_core_3000::make( +        radio.ctrl, fpga::sr_addr(fpga::SR_RADIO_RX_CTRL)); +    radio.ddc = rx_dsp_core_3000::make(radio.ctrl, fpga::sr_addr(fpga::SR_RADIO_RX_DSP), true /*old DDC?*/); +    if (radio.framer.get() == NULL || radio.ddc.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create RX DSP interface.)"); +    } +    radio.ddc->set_link_rate(fpga::N230_LINK_RATE_BPS); + +    //TX DSP +    radio.deframer = tx_vita_core_3000::make(radio.ctrl, fpga::sr_addr(fpga::SR_RADIO_TX_CTRL)); +    radio.duc = tx_dsp_core_3000::make(radio.ctrl, fpga::sr_addr(fpga::SR_RADIO_TX_DSP)); +    if (radio.deframer.get() == NULL || radio.duc.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create RX DSP interface.)"); +    } +    radio.duc->set_link_rate(fpga::N230_LINK_RATE_BPS); + +    //User settings +    radio.user_settings = user_settings_core_3000::make(radio.ctrl, +        fpga::sr_addr(fpga::SR_RADIO_USER_SR), fpga::rb_addr(fpga::SR_RADIO_USER_RB)); +    if (radio.user_settings.get() == NULL) { +        throw uhd::runtime_error("N230 Initialization Error: Could not create user settings bus.)"); +    } +} + +boost::uint8_t xb_ep_to_sid(fpga::xb_endpoint_t ep) { +    return static_cast<boost::uint8_t>(ep) << 4; +} + +const sid_t n230_resource_manager::_generate_sid(const n230_endpoint_t type, const n230_eth_port_t xport, size_t instance) +{ +    fpga::xb_endpoint_t xb_dest_ep; +    boost::uint8_t sid_dest_ep = 0; +    fpga::xb_endpoint_t xb_ret_ep = (xport == ETH1) ? fpga::N230_XB_DST_E1 : fpga::N230_XB_DST_E0; +    boost::uint8_t sid_ret_addr = (xport == ETH1) ? N230_HOST_SRC_ADDR_ETH1 : N230_HOST_SRC_ADDR_ETH0; + +    if (type == CORE or type == GPS_UART) { +        //Non-radio endpoints +        xb_dest_ep = (type == CORE) ? fpga::N230_XB_DST_GCTRL : fpga::N230_XB_DST_UART; +        sid_dest_ep = xb_ep_to_sid(xb_dest_ep); +    } else { +        //Radio endpoints +        xb_dest_ep = (instance == 1) ? fpga::N230_XB_DST_R1 : fpga::N230_XB_DST_R0; +        sid_dest_ep = xb_ep_to_sid(xb_dest_ep); +        switch (type) { +        case RADIO_TX_DATA: +            sid_dest_ep |= fpga::RADIO_DATA_SUFFIX; +            break; +        case RADIO_RX_DATA: +            sid_dest_ep |= fpga::RADIO_FC_SUFFIX; +            break; +        default: +            sid_dest_ep |= fpga::RADIO_CTRL_SUFFIX; +            break; +        } +    } + +    //Increment last host logical endpoint +    sid_t sid(sid_ret_addr, ++_last_host_enpoint, N230_HOST_DEST_ADDR, sid_dest_ep); + +    //Program the crossbar addr +    _fw_ctrl->poke32(fw::reg_addr(fw::WB_SBRB_BASE, fw::SR_ZPU_XB_LOCAL), sid.get_dst_addr()); +    // Program CAM entry for returning packets to us +    // This type of packet does not match the XB_LOCAL address and is looked up in the lower half of the CAM +    _fw_ctrl->poke32(fw::reg_addr(fw::WB_XB_SBRB_BASE, sid.get_src_addr()), static_cast<boost::uint32_t>(xb_ret_ep)); +    // Program CAM entry for outgoing packets matching a N230 resource (for example a Radio) +    // This type of packet does matches the XB_LOCAL address and is looked up in the upper half of the CAM +    _fw_ctrl->poke32(fw::reg_addr(fw::WB_XB_SBRB_BASE, 256 + sid.get_dst_endpoint()), static_cast<boost::uint32_t>(xb_dest_ep)); + +    return sid; +} + +transport::zero_copy_if::sptr n230_resource_manager::_create_transport( +    const n230_eth_conn_t& eth_conn, +    const sid_t& sid, const device_addr_t &buff_params, +    transport::udp_zero_copy::buff_params& buff_params_out) +{ +    transport::zero_copy_xport_params default_buff_args; +    default_buff_args.recv_frame_size = transport::udp_simple::mtu; +    default_buff_args.send_frame_size = transport::udp_simple::mtu; +    default_buff_args.num_recv_frames = 32; +    default_buff_args.num_send_frames = 32; + +    transport::zero_copy_if::sptr xport = transport::udp_zero_copy::make( +        eth_conn.ip_addr, boost::lexical_cast<std::string>(fpga::CVITA_UDP_PORT), +        default_buff_args, buff_params_out, buff_params); + +    if (xport.get()) { +        _program_dispatcher(*xport, eth_conn.type, sid); +    } +    return xport; +} + +void n230_resource_manager::_program_dispatcher( +    transport::zero_copy_if& xport, const n230_eth_port_t port, const sid_t& sid) +{ +    //Send a mini packet with SID into the ZPU +    //ZPU will reprogram the ethernet framer +    transport::managed_send_buffer::sptr buff = xport.get_send_buff(); +    buff->cast<boost::uint32_t *>()[0] = 0; //eth dispatch looks for != 0 +    buff->cast<boost::uint32_t *>()[1] = uhd::htonx(sid.get()); +    buff->commit(8); +    buff.reset(); + +    //reprogram the ethernet dispatcher's udp port (should be safe to always set) +    uint32_t disp_base_offset = +        ((port == ETH1) ? fw::SR_ZPU_ETHINT1 : fw::SR_ZPU_ETHINT0) + fw::SR_ZPU_ETHINT_DISPATCHER_BASE; +    _fw_ctrl->poke32(fw::reg_addr(fw::WB_SBRB_BASE, disp_base_offset + fw::ETH_FRAMER_SRC_UDP_PORT), fpga::CVITA_UDP_PORT); + +    //Do a peek to an arbitrary address to guarantee that the +    //ethernet framer has been programmed before we return. +    _fw_ctrl->peek32(0); +} + +void n230_resource_manager::_reset_codec_digital_interface() +{ +    //Set timing registers +    _core_ctrl->poke32(fpga::sr_addr(fpga::SR_CORE_DATA_DELAY), fpga::CODEC_DATA_DELAY); +    _core_ctrl->poke32(fpga::sr_addr(fpga::SR_CORE_CLK_DELAY), fpga::CODEC_CLK_DELAY); + +    _core_radio_ctrl_reg.write(fpga::core_radio_ctrl_reg_t::CODEC_ARST, 1); +    boost::this_thread::sleep(boost::posix_time::milliseconds(10)); +    _core_radio_ctrl_reg.write(fpga::core_radio_ctrl_reg_t::CODEC_ARST, 0); +} + +bool n230_resource_manager::_radio_register_loopback_self_test(wb_iface::sptr iface) +{ +    bool test_fail = false; +    size_t hash = static_cast<size_t>(time(NULL)); +    for (size_t i = 0; i < 100; i++) { +        boost::hash_combine(hash, i); +        iface->poke32(fpga::sr_addr(fpga::SR_RADIO_TEST), boost::uint32_t(hash)); +        test_fail = iface->peek32(fpga::rb_addr(fpga::RB_RADIO_TEST)) != boost::uint32_t(hash); +        if (test_fail) break; //exit loop on any failure +    } +    return !test_fail; +} + +bool n230_resource_manager::_radio_data_loopback_self_test(wb_iface::sptr iface) +{ +   bool test_fail = false; +    size_t hash = size_t(time(NULL)); +    for (size_t i = 0; i < 100; i++) { +        boost::hash_combine(hash, i); +        const boost::uint32_t word32 = boost::uint32_t(hash) & (IF_DATA_I_MASK | IF_DATA_Q_MASK); +        iface->poke32(fpga::sr_addr(fpga::SR_RADIO_CODEC_IDLE), word32); +        iface->peek64(fpga::rb_addr(fpga::RB_RADIO_CODEC_DATA)); //block until request completes +        boost::this_thread::sleep(boost::posix_time::microseconds(100)); //wait for loopback to propagate through codec +        const boost::uint64_t rb_word64 = iface->peek64(fpga::rb_addr(fpga::RB_RADIO_CODEC_DATA)); +        const boost::uint32_t rb_tx = boost::uint32_t(rb_word64 >> 32); +        const boost::uint32_t rb_rx = boost::uint32_t(rb_word64 & 0xffffffff); +        test_fail = word32 != rb_tx or word32 != rb_rx; +        if (test_fail) +            UHD_MSG(fastpath) << boost::format("mismatch (exp:%x, got:%x and %x)... ") % word32 % rb_tx % rb_rx; +            break; //exit loop on any failure +        } + +    /* Zero out the idle data. */ +    iface->poke32(fpga::sr_addr(fpga::SR_RADIO_CODEC_IDLE), 0); +    return !test_fail; +} + +std::string n230_resource_manager::_get_fpga_upgrade_msg() { +    std::string img_loader_path = +        (fs::path(uhd::get_pkg_path()) / "bin" / "uhd_image_loader").string(); + +    return str(boost::format( +            "\nDownload the appropriate FPGA images for this version of UHD.\n" +            "%s\n\n" +            "Then burn a new image to the on-board flash storage of your\n" +            "USRP N230 device using the image loader utility. Use this command:\n" +            "\n \"%s\" --args=\"type=n230,addr=%s\"\n") +        % print_utility_error("uhd_images_downloader.py") +        % img_loader_path % _get_conn(PRI_ETH).ip_addr); + +} + +void n230_resource_manager::_check_fw_compat() +{ +    boost::uint32_t compat_num = _fw_ctrl->peek32(N230_FW_HOST_SHMEM_OFFSET(fw_compat_num)); +    _fw_version.compat_major = compat_num >> 16; +    _fw_version.compat_minor = compat_num; +    _fw_version.version_hash = _fw_ctrl->peek32(N230_FW_HOST_SHMEM_OFFSET(fw_version_hash)); + +    if (_fw_version.compat_major != N230_FW_COMPAT_NUM_MAJOR){ +        throw uhd::runtime_error(str(boost::format( +            "Expected firmware compatibility number %d.x, but got %d.%d\n" +            "The firmware build is not compatible with the host code build.\n" +            "%s" +            ) % static_cast<boost::uint32_t>(N230_FW_COMPAT_NUM_MAJOR) +              % static_cast<boost::uint32_t>(_fw_version.compat_major) +              % static_cast<boost::uint32_t>(_fw_version.compat_minor) +              % _get_fpga_upgrade_msg())); +    } +} + +void n230_resource_manager::_check_fpga_compat() +{ +    const boost::uint64_t compat = _core_ctrl->peek64(fpga::rb_addr(fpga::RB_CORE_SIGNATUE)); +    const boost::uint32_t signature = boost::uint32_t(compat >> 32); +    const boost::uint16_t product_id = boost::uint8_t(compat >> 24); +    _fpga_version.compat_major = static_cast<boost::uint8_t>(compat >> 16); +    _fpga_version.compat_minor = static_cast<boost::uint16_t>(compat); + +    const boost::uint64_t version_hash = _core_ctrl->peek64(fpga::rb_addr(fpga::RB_CORE_VERSION_HASH)); +    _fpga_version.version_hash = boost::uint32_t(version_hash); + +    if (signature != 0x0ACE0BA5E || product_id != fpga::RB_N230_PRODUCT_ID) +        throw uhd::runtime_error("Signature check failed. Please contact support."); + +    bool is_safe_image = (_fpga_version.compat_major > fpga::RB_N230_COMPAT_SAFE); + +    if (is_safe_image && !_safe_mode) { +        throw uhd::runtime_error( +            "The device appears to have the failsafe FPGA image loaded\n" +            "This could have happened because the production FPGA image in the flash was either corrupt or non-existent\n" +            "To remedy this error, please burn a valid FPGA image to the flash.\n" +            "To continue using the failsafe image with UHD, create the UHD device with the \"safe_mode\" device arg.\n" +            "Radio functionality/performance not guaranteed when operating in safe mode.\n"); +    } else if (_fpga_version.compat_major != fpga::RB_N230_COMPAT_MAJOR && !is_safe_image) { +        throw uhd::runtime_error(str(boost::format( +            "Expected FPGA compatibility number %d.x, but got %d.%d:\n" +            "The FPGA build is not compatible with the host code build.\n" +            "%s" +            ) % static_cast<boost::uint32_t>(fpga::RB_N230_COMPAT_MAJOR) +              % static_cast<boost::uint32_t>(_fpga_version.compat_major) +              % static_cast<boost::uint32_t>(_fpga_version.compat_minor) +              % _get_fpga_upgrade_msg())); +    } +} + +}}} //namespace diff --git a/host/lib/usrp/n230/n230_resource_manager.hpp b/host/lib/usrp/n230/n230_resource_manager.hpp new file mode 100644 index 000000000..0a1178bd2 --- /dev/null +++ b/host/lib/usrp/n230/n230_resource_manager.hpp @@ -0,0 +1,318 @@ +// +// Copyright 2014 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/>. +// + +#ifndef INCLUDED_N230_RESOURCE_MANAGER_HPP +#define INCLUDED_N230_RESOURCE_MANAGER_HPP + +#include "radio_ctrl_core_3000.hpp" +#include "spi_core_3000.hpp" +#include "gpio_atr_3000.hpp" +#include "rx_vita_core_3000.hpp" +#include "tx_vita_core_3000.hpp" +#include "time_core_3000.hpp" +#include "rx_dsp_core_3000.hpp" +#include "tx_dsp_core_3000.hpp" +#include "user_settings_core_3000.hpp" +#include "ad9361_ctrl.hpp" +#include "ad936x_manager.hpp" +#include <uhd/utils/tasks.hpp> +#include <uhd/types/sid.hpp> +#include <uhd/types/device_addr.hpp> +#include <uhd/utils/soft_register.hpp> +#include <uhd/transport/udp_zero_copy.hpp> +#include <uhd/transport/bounded_buffer.hpp> +#include <uhd/usrp/gps_ctrl.hpp> + +#include "usrp3_fw_ctrl_iface.hpp" +#include "n230_clk_pps_ctrl.hpp" +#include "n230_cores.hpp" +#include "n230_fpga_defs.h" +#include "n230_frontend_ctrl.hpp" +#include "n230_uart.hpp" + +namespace uhd { namespace usrp { namespace n230 { + +enum n230_eth_port_t { +    ETH0, +    ETH1 +}; + +enum n230_eth_pref_t { +    PRI_ETH, +    SEC_ETH +}; + +enum n230_endpoint_t { +    RADIO_TX_DATA, +    RADIO_RX_DATA, +    RADIO_CONTROL, +    CORE, +    GPS_UART +}; + +enum n230_ver_src_t { +    SOFTWARE, +    FIRMWARE, +    FPGA +}; + +enum n230_version_t { +    COMPAT_MAJOR, +    COMPAT_MINOR +}; + +enum n230_data_dir_t { +    RX_DATA, TX_DATA +}; + +//Radio resources +class radio_resource_t : public boost::noncopyable { +public: +    radio_ctrl_core_3000::sptr      ctrl; +    gpio_atr::gpio_atr_3000::sptr   gpio_atr; +    time_core_3000::sptr            time; +    rx_vita_core_3000::sptr         framer; +    rx_dsp_core_3000::sptr          ddc; +    tx_vita_core_3000::sptr         deframer; +    tx_dsp_core_3000::sptr          duc; +    user_settings_core_3000::sptr   user_settings; +}; + +class n230_resource_manager : public boost::noncopyable +{ +public:     //Methods +    n230_resource_manager(const std::vector<std::string> ip_addrs, const bool safe_mode); +    virtual ~n230_resource_manager(); + +    static bool is_device_claimed(uhd::usrp::usrp3::usrp3_fw_ctrl_iface::sptr fw_ctrl); + +    inline bool is_device_claimed() { +        if (_fw_ctrl.get()) { +            return is_device_claimed(_fw_ctrl); +        } else { +            return false; +        } +    } + +    inline boost::uint32_t get_version(n230_ver_src_t src, n230_version_t type) { +        switch (src) { +            case FPGA:      return _fpga_version.get(type); +            case FIRMWARE:  return _fw_version.get(type); +            default:        return 0; +        } +    } + +    inline const std::string get_version_hash(n230_ver_src_t src) { +        switch (src) { +            case FPGA:      return _fpga_version.get_hash_str(); +            case FIRMWARE:  return _fw_version.get_hash_str(); +            default:        return ""; +        } +    } + +    //Firmware control interface +    inline wb_iface& get_fw_ctrl() const { +        return *_fw_ctrl; +    } +    inline wb_iface::sptr get_fw_ctrl_sptr() { +        return _fw_ctrl; +    } + +    //Core settings control interface +    inline radio_ctrl_core_3000& get_core_ctrl() const { +        return *_core_ctrl; +    } +    inline radio_ctrl_core_3000::sptr get_core_ctrl_sptr() { +        return _core_ctrl; +    } + +    //AD931 control interface +    inline ad9361_ctrl& get_codec_ctrl() const { +        return *_codec_ctrl; +    } +    inline ad9361_ctrl::sptr get_codec_ctrl_sptr() { +        return _codec_ctrl; +    } +    inline uhd::usrp::ad936x_manager& get_codec_mgr() const { +        return *_codec_mgr; +    } + +    //Clock PPS controls +    inline n230_ref_pll_ctrl& get_ref_pll_ctrl() const { +        return *_ref_pll_ctrl; +    } +    inline n230_ref_pll_ctrl::sptr get_ref_pll_ctrl_sptr() { +        return _ref_pll_ctrl; +    } + +    //Clock PPS controls +    inline n230_clk_pps_ctrl& get_clk_pps_ctrl() const { +        return *_clk_pps_ctrl; +    } +    inline n230_clk_pps_ctrl::sptr get_clk_pps_ctrl_sptr() { +        return _clk_pps_ctrl; +    } + +    //Front-end control +    inline n230_frontend_ctrl& get_frontend_ctrl() const { +        return *_frontend_ctrl; +    } +    inline n230_frontend_ctrl::sptr get_frontend_ctrl_sptr() { +        return _frontend_ctrl; +    } + +    //MiniSAS GPIO control +    inline gpio_atr::gpio_atr_3000::sptr get_minisas_gpio_ctrl_sptr(size_t idx) { +        return idx == 0 ? _ms0_gpio : _ms1_gpio; +    } + +    inline gpio_atr::gpio_atr_3000& get_minisas_gpio_ctrl(size_t idx) { +        return *get_minisas_gpio_ctrl_sptr(idx); +    } + +    //GPSDO control +    inline bool is_gpsdo_present() { +        return _gps_ctrl.get() and _gps_ctrl->gps_detected(); +    } + +    inline uhd::gps_ctrl::sptr get_gps_ctrl(void) { +        return _gps_ctrl; +    } + +    inline radio_resource_t& get_radio(size_t instance) { +        return _radios[instance]; +    } + +    //Transport to stream data +    transport::zero_copy_if::sptr create_transport( +        n230_data_dir_t direction, size_t radio_instance, +        const device_addr_t ¶ms, sid_t& sid, +        transport::udp_zero_copy::buff_params& buff_out_params); + +    //Misc +    inline double get_max_link_rate() { +        return fpga::N230_LINK_RATE_BPS * _eth_conns.size(); +    } + +private: +    struct ver_info_t { +        boost::uint8_t  compat_major; +        boost::uint16_t compat_minor; +        boost::uint32_t version_hash; + +        boost::uint32_t get(n230_version_t type) { +            switch (type) { +                case COMPAT_MAJOR: return compat_major; +                case COMPAT_MINOR: return compat_minor; +                default:           return 0; +            } +        } + +        const std::string get_hash_str() { +            return (str(boost::format("%07x%s") +                % (version_hash & 0x0FFFFFFF) +                % ((version_hash & 0xF0000000) ? "(modified)" : ""))); +        } +    }; + +    struct n230_eth_conn_t { +        std::string ip_addr; +        n230_eth_port_t type; +    }; + +    //-- Functions -- + +    void _claimer_loop(); + +    void _initialize_radio(size_t instance); + +    std::string _get_fpga_upgrade_msg(); +    void _check_fw_compat(); +    void _check_fpga_compat(); + +    const sid_t _generate_sid( +        const n230_endpoint_t type, const n230_eth_port_t xport, size_t instance = 0); + +    transport::zero_copy_if::sptr _create_transport( +        const n230_eth_conn_t& eth_conn, +        const sid_t& sid, const device_addr_t &buff_params, +        transport::udp_zero_copy::buff_params& buff_params_out); + +    void _program_dispatcher( +        transport::zero_copy_if& xport, const n230_eth_port_t port, const sid_t& sid); + +    void _reset_codec_digital_interface(); + +    bool _radio_register_loopback_self_test(wb_iface::sptr iface); + +    bool _radio_data_loopback_self_test(wb_iface::sptr iface); + +    inline const n230_eth_conn_t& _get_conn(const n230_eth_pref_t pref) { +        if (_eth_conns.size() == 1) +            return _eth_conns[0]; +        else +            return _eth_conns[(pref==PRI_ETH)?0:1]; +    } + +    //-- Members -- + +    std::vector<n230_eth_conn_t>    _eth_conns; +    const bool                      _safe_mode; +    ver_info_t                      _fw_version; +    ver_info_t                      _fpga_version; + +    //Firmware register interface +    uhd::usrp::usrp3::usrp3_fw_ctrl_iface::sptr   _fw_ctrl; +    uhd::task::sptr                 _claimer_task; +    static boost::mutex             _claimer_mutex;  //All claims and checks in this process are serialized + +    //Transport +    boost::uint8_t                  _last_host_enpoint; + +    //Radio settings interface +    radio_ctrl_core_3000::sptr      _core_ctrl; +    n230_core_spi_core::sptr        _core_spi_ctrl; +    ad9361_ctrl::sptr               _codec_ctrl; +    uhd::usrp::ad936x_manager::sptr _codec_mgr; + +    //Core Registers +    fpga::core_radio_ctrl_reg_t     _core_radio_ctrl_reg; +    fpga::core_misc_reg_t           _core_misc_reg; +    fpga::core_pps_sel_reg_t        _core_pps_sel_reg; +    fpga::core_status_reg_t         _core_status_reg; + +    //Radio peripherals +    radio_resource_t                _radios[fpga::NUM_RADIOS]; + +    //Misc IO peripherals +    n230_ref_pll_ctrl::sptr         _ref_pll_ctrl; +    n230_clk_pps_ctrl::sptr         _clk_pps_ctrl; +    n230_frontend_ctrl::sptr        _frontend_ctrl; + +    //miniSAS GPIO +    gpio_atr::gpio_atr_3000::sptr   _ms0_gpio; +    gpio_atr::gpio_atr_3000::sptr   _ms1_gpio; + +    //GPSDO +    n230_uart::sptr                 _gps_uart; +    uhd::gps_ctrl::sptr             _gps_ctrl; + +}; + +}}} //namespace + +#endif //INCLUDED_N230_RESOURCE_MANAGER_HPP diff --git a/host/lib/usrp/n230/n230_stream_manager.cpp b/host/lib/usrp/n230/n230_stream_manager.cpp new file mode 100644 index 000000000..e7624ecd6 --- /dev/null +++ b/host/lib/usrp/n230/n230_stream_manager.cpp @@ -0,0 +1,562 @@ +// +// Copyright 2013 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 "n230_stream_manager.hpp" + +#include "../../transport/super_recv_packet_handler.hpp" +#include "../../transport/super_send_packet_handler.hpp" +#include "async_packet_handler.hpp" +#include <uhd/transport/bounded_buffer.hpp> +#include <boost/bind.hpp> +#include <uhd/utils/tasks.hpp> +#include <uhd/utils/log.hpp> +#include <boost/foreach.hpp> +#include <boost/make_shared.hpp> + +static const double N230_RX_SW_BUFF_FULL_FACTOR   = 0.90;     //Buffer should ideally be 90% full. +static const size_t N230_RX_FC_REQUEST_FREQ       = 32;       //per flow-control window +static const size_t N230_TX_MAX_ASYNC_MESSAGES    = 1000; +static const size_t N230_TX_MAX_SPP               = 4092; +static const size_t N230_TX_FC_RESPONSE_FREQ      = 10;       //per flow-control window + +static const boost::uint32_t N230_EVENT_CODE_FLOW_CTRL = 0; + +namespace uhd { namespace usrp { namespace n230 { + +using namespace uhd::transport; + +n230_stream_manager::~n230_stream_manager() +{ +} + +/*********************************************************************** + * Receive streamer + **********************************************************************/ +n230_stream_manager::n230_stream_manager( +    const n230_device_args_t& dev_args, +    boost::shared_ptr<n230_resource_manager> resource_mgr, +    boost::weak_ptr<property_tree> prop_tree +) : +    _dev_args(dev_args), +    _resource_mgr(resource_mgr), +    _tree(prop_tree) +{ +    _async_md_queue.reset(new async_md_queue_t(N230_TX_MAX_ASYNC_MESSAGES)); +} + +/*********************************************************************** + * Receive streamer + **********************************************************************/ +rx_streamer::sptr n230_stream_manager::get_rx_stream(const uhd::stream_args_t &args_) +{ +    boost::mutex::scoped_lock lock(_stream_setup_mutex); + +    stream_args_t args = args_; + +    //setup defaults for unspecified values +    if (args.otw_format.empty()) args.otw_format = "sc16"; +    args.channels = args.channels.empty()? std::vector<size_t>(1, 0) : args.channels; + +    boost::shared_ptr<sph::recv_packet_streamer> my_streamer; +    for (size_t stream_i = 0; stream_i < args.channels.size(); stream_i++) +    { +        const size_t chan = args.channels[stream_i]; +        radio_resource_t& perif = _resource_mgr->get_radio(chan); + +        //setup transport hints (default to a large recv buff) +        //TODO: Propagate the device_args class into streamer in the future +        device_addr_t device_addr = args.args; +        if (not device_addr.has_key("recv_buff_size")) { +            device_addr["recv_buff_size"] = boost::lexical_cast<std::string>(_dev_args.get_recv_buff_size()); +        } +        if (not device_addr.has_key("recv_frame_size")) { +            device_addr["recv_frame_size"] = boost::lexical_cast<std::string>(_dev_args.get_recv_frame_size()); +        } +        if (not device_addr.has_key("num_recv_frames")) { +            device_addr["num_recv_frames"] = boost::lexical_cast<std::string>(_dev_args.get_num_recv_frames()); +        } + +        transport::udp_zero_copy::buff_params buff_params_out; +        sid_t sid; +        zero_copy_if::sptr xport = _resource_mgr->create_transport( +            RX_DATA, chan, device_addr, sid, buff_params_out); + +        //calculate packet size +        static const size_t hdr_size = 0 +            + vrt::max_if_hdr_words32*sizeof(boost::uint32_t) +            //+ sizeof(vrt::if_packet_info_t().tlr) //no longer using trailer +            - sizeof(vrt::if_packet_info_t().cid) //no class id ever used +            - sizeof(vrt::if_packet_info_t().tsi) //no int time ever used +        ; +        const size_t bpp = xport->get_recv_frame_size() - hdr_size; +        const size_t bpi = convert::get_bytes_per_item(args.otw_format); +        size_t spp = unsigned(args.args.cast<double>("spp", bpp/bpi)); +        spp = std::min<size_t>(N230_TX_MAX_SPP, spp); //FPGA FIFO maximum for framing at full rate + +        //make the new streamer given the samples per packet +        if (not my_streamer) my_streamer = boost::make_shared<sph::recv_packet_streamer>(spp); +        my_streamer->resize(args.channels.size()); + +        //init some streamer stuff +        my_streamer->set_vrt_unpacker(&n230_stream_manager::_cvita_hdr_unpack); + +        //set the converter +        uhd::convert::id_type id; +        id.input_format = args.otw_format + "_item32_be"; +        id.num_inputs = 1; +        id.output_format = args.cpu_format; +        id.num_outputs = 1; +        my_streamer->set_converter(id); + +        perif.framer->clear(); +        perif.framer->set_nsamps_per_packet(spp); +        perif.framer->set_sid(sid.reversed().get()); +        perif.framer->setup(args); +        perif.ddc->setup(args); + +        //Give the streamer a functor to get the recv_buffer +        //bind requires a zero_copy_if::sptr to add a streamer->xport lifetime dependency +        my_streamer->set_xport_chan_get_buff( +            stream_i, +            boost::bind(&zero_copy_if::get_recv_buff, xport, _1), +            true /*flush*/ +        ); + +        my_streamer->set_overflow_handler(stream_i, boost::bind( +            &n230_stream_manager::_handle_overflow, this, chan +        )); + +        my_streamer->set_issue_stream_cmd(stream_i, boost::bind( +            &rx_vita_core_3000::issue_stream_command, perif.framer, _1 +        )); + +        const size_t fc_window = _get_rx_flow_control_window( +            xport->get_recv_frame_size(), buff_params_out.recv_buff_size); +        const size_t fc_handle_window = std::max<size_t>(1, fc_window / N230_RX_FC_REQUEST_FREQ); + +        perif.framer->configure_flow_control(fc_window); + +        //Give the streamer a functor to send flow control messages +        //handle_rx_flowctrl is static and has no lifetime issues +        boost::shared_ptr<rx_fc_cache_t> fc_cache(new rx_fc_cache_t()); +        my_streamer->set_xport_handle_flowctrl( +            stream_i, boost::bind(&n230_stream_manager::_handle_rx_flowctrl, sid.get(), xport, fc_cache, _1), +            fc_handle_window, +            true/*init*/ +        ); + +        //Store a weak pointer to prevent a streamer->manager->streamer circular dependency +        _rx_streamers[chan] = my_streamer; //store weak pointer +        _rx_stream_cached_args[chan] = args; + +        //Sets tick and samp rates on all streamer +        update_tick_rate(_get_tick_rate()); + +        //TODO: Find a way to remove this dependency +        property_tree::sptr prop_tree = _tree.lock(); +        if (prop_tree) { +            //TODO: Update this to support multiple motherboards +            const fs_path mb_path = "/mboards/0"; +            prop_tree->access<double>(mb_path / "rx_dsps" / boost::lexical_cast<std::string>(chan) / "rate" / "value").update(); +        } +    } +    update_stream_states(); + +    return my_streamer; +} + +/*********************************************************************** + * Transmit streamer + **********************************************************************/ +tx_streamer::sptr n230_stream_manager::get_tx_stream(const uhd::stream_args_t &args_) +{ +    boost::mutex::scoped_lock lock(_stream_setup_mutex); + +    uhd::stream_args_t args = args_; + +    //setup defaults for unspecified values +    if (not args.otw_format.empty() and args.otw_format != "sc16") { +        throw uhd::value_error("n230_impl::get_tx_stream only supports otw_format sc16"); +    } +    args.otw_format = "sc16"; +    args.channels = args.channels.empty()? std::vector<size_t>(1, 0) : args.channels; + +    //shared async queue for all channels in streamer +    boost::shared_ptr<async_md_queue_t> async_md(new async_md_queue_t(N230_TX_MAX_ASYNC_MESSAGES)); + +    boost::shared_ptr<sph::send_packet_streamer> my_streamer; +    for (size_t stream_i = 0; stream_i < args.channels.size(); stream_i++) +    { +        const size_t chan = args.channels[stream_i]; +        radio_resource_t& perif = _resource_mgr->get_radio(chan); + +        //setup transport hints (default to a large recv buff) +        //TODO: Propagate the device_args class into streamer in the future +        device_addr_t device_addr = args.args; +        if (not device_addr.has_key("send_buff_size")) { +            device_addr["send_buff_size"] = boost::lexical_cast<std::string>(_dev_args.get_send_buff_size()); +        } +        if (not device_addr.has_key("send_frame_size")) { +            device_addr["send_frame_size"] = boost::lexical_cast<std::string>(_dev_args.get_send_frame_size()); +        } +        if (not device_addr.has_key("num_send_frames")) { +            device_addr["num_send_frames"] = boost::lexical_cast<std::string>(_dev_args.get_num_send_frames()); +        } + +        transport::udp_zero_copy::buff_params buff_params_out; +        sid_t sid; +        zero_copy_if::sptr xport = _resource_mgr->create_transport( +            TX_DATA, chan, device_addr, sid, buff_params_out); + +        //calculate packet size +        static const size_t hdr_size = 0 +            + vrt::num_vrl_words32*sizeof(boost::uint32_t) +            + vrt::max_if_hdr_words32*sizeof(boost::uint32_t) +            //+ sizeof(vrt::if_packet_info_t().tlr) //forced to have trailer +            - sizeof(vrt::if_packet_info_t().cid) //no class id ever used +            - sizeof(vrt::if_packet_info_t().tsi) //no int time ever used +        ; +        const size_t bpp = xport->get_send_frame_size() - hdr_size; +        const size_t bpi = convert::get_bytes_per_item(args.otw_format); +        const size_t spp = unsigned(args.args.cast<double>("spp", bpp/bpi)); + +        //make the new streamer given the samples per packet +        if (not my_streamer) my_streamer = boost::make_shared<sph::send_packet_streamer>(spp); +        my_streamer->resize(args.channels.size()); +        my_streamer->set_vrt_packer(&n230_stream_manager::_cvita_hdr_pack); + +        //set the converter +        uhd::convert::id_type id; +        id.input_format = args.cpu_format; +        id.num_inputs = 1; +        id.output_format = args.otw_format + "_item32_be"; +        id.num_outputs = 1; +        my_streamer->set_converter(id); + +        perif.deframer->clear(); +        perif.deframer->setup(args); +        perif.duc->setup(args); + +        //flow control setup +        size_t fc_window = _get_tx_flow_control_window( +            bpp, device_addr.cast<size_t>("send_buff_size", _dev_args.get_send_buff_size())); +        //In packets +        const size_t fc_handle_window = (fc_window / N230_TX_FC_RESPONSE_FREQ); + +        perif.deframer->configure_flow_control(0/*cycs off*/, fc_handle_window); +        boost::shared_ptr<tx_fc_cache_t> fc_cache(new tx_fc_cache_t()); +        fc_cache->stream_channel = stream_i; +        fc_cache->device_channel = chan; +        fc_cache->async_queue = async_md; +        fc_cache->old_async_queue = _async_md_queue; + +        tick_rate_retriever_t get_tick_rate_fn = boost::bind(&n230_stream_manager::_get_tick_rate, this); +        task::sptr task = task::make( +            boost::bind(&n230_stream_manager::_handle_tx_async_msgs, +                fc_cache, xport, get_tick_rate_fn)); + +        //Give the streamer a functor to get the send buffer +        //get_tx_buff_with_flowctrl is static so bind has no lifetime issues +        //xport.send (sptr) is required to add streamer->data-transport lifetime dependency +        //task (sptr) is required to add  a streamer->async-handler lifetime dependency +        my_streamer->set_xport_chan_get_buff( +            stream_i, +            boost::bind(&n230_stream_manager::_get_tx_buff_with_flowctrl, task, fc_cache, xport, fc_window, _1) +        ); +        //Give the streamer a functor handled received async messages +        my_streamer->set_async_receiver( +            boost::bind(&async_md_queue_t::pop_with_timed_wait, async_md, _1, _2) +        ); +        my_streamer->set_xport_chan_sid(stream_i, true, sid.get()); +        my_streamer->set_enable_trailer(false); //TODO not implemented trailer support yet + +        //Store a weak pointer to prevent a streamer->manager->streamer circular dependency +        _tx_streamers[chan] = boost::weak_ptr<sph::send_packet_streamer>(my_streamer); +        _tx_stream_cached_args[chan] = args; + +        //Sets tick and samp rates on all streamer +        update_tick_rate(_get_tick_rate()); + +        //TODO: Find a way to remove this dependency +        property_tree::sptr prop_tree = _tree.lock(); +        if (prop_tree) { +            //TODO: Update this to support multiple motherboards +            const fs_path mb_path = "/mboards/0"; +            prop_tree->access<double>(mb_path / "tx_dsps" / boost::lexical_cast<std::string>(chan) / "rate" / "value").update(); +        } +    } +    update_stream_states(); + +    return my_streamer; +} + +/*********************************************************************** + * Async Message Receiver + **********************************************************************/ +bool n230_stream_manager::recv_async_msg(async_metadata_t &async_metadata, double timeout) +{ +    return _async_md_queue->pop_with_timed_wait(async_metadata, timeout); +} + +/*********************************************************************** + * Sample Rate Updaters + **********************************************************************/ +void n230_stream_manager::update_rx_samp_rate(const size_t dspno, const double rate) +{ +    boost::shared_ptr<sph::recv_packet_streamer> my_streamer = +        boost::dynamic_pointer_cast<sph::recv_packet_streamer>(_rx_streamers[dspno].lock()); +    if (not my_streamer) return; +    my_streamer->set_samp_rate(rate); +    const double adj = _resource_mgr->get_radio(dspno).ddc->get_scaling_adjustment(); +    my_streamer->set_scale_factor(adj); +} + +void n230_stream_manager::update_tx_samp_rate(const size_t dspno, const double rate) +{ +    boost::shared_ptr<sph::send_packet_streamer> my_streamer = +        boost::dynamic_pointer_cast<sph::send_packet_streamer>(_tx_streamers[dspno].lock()); +    if (not my_streamer) return; +    my_streamer->set_samp_rate(rate); +    const double adj = _resource_mgr->get_radio(dspno).duc->get_scaling_adjustment(); +    my_streamer->set_scale_factor(adj); +} + +/*********************************************************************** + * Tick Rate Updater + **********************************************************************/ +void n230_stream_manager::update_tick_rate(const double rate) +{ +    for (size_t i = 0; i < fpga::NUM_RADIOS; i++) { +        radio_resource_t& perif = _resource_mgr->get_radio(i); + +        boost::shared_ptr<sph::recv_packet_streamer> my_rx_streamer = +            boost::dynamic_pointer_cast<sph::recv_packet_streamer>(_rx_streamers[i].lock()); +        if (my_rx_streamer) my_rx_streamer->set_tick_rate(rate); +        perif.framer->set_tick_rate(rate); + +        boost::shared_ptr<sph::send_packet_streamer> my_tx_streamer = +            boost::dynamic_pointer_cast<sph::send_packet_streamer>(_tx_streamers[i].lock()); +        if (my_tx_streamer) my_tx_streamer->set_tick_rate(rate); +    } +} + +/*********************************************************************** + * Stream State Updater + **********************************************************************/ +void n230_stream_manager::update_stream_states() +{ +    //extract settings from state variables +    const bool enb_tx0 = bool(_tx_streamers[0].lock()); +    const bool enb_rx0 = bool(_rx_streamers[0].lock()); +    const bool enb_tx1 = bool(_tx_streamers[1].lock()); +    const bool enb_rx1 = bool(_rx_streamers[1].lock()); + +    fe_state_t fe0_state = NONE_STREAMING; +    if (enb_tx0 && enb_rx0) fe0_state = TXRX_STREAMING; +    else if (enb_tx0)       fe0_state = TX_STREAMING; +    else if (enb_rx0)       fe0_state = RX_STREAMING; + +    fe_state_t fe1_state = NONE_STREAMING; +    if (enb_tx1 && enb_rx1) fe1_state = TXRX_STREAMING; +    else if (enb_tx1)       fe1_state = TX_STREAMING; +    else if (enb_rx1)       fe1_state = RX_STREAMING; + +    _resource_mgr->get_frontend_ctrl().set_stream_state(fe0_state, fe1_state); +} + +size_t n230_stream_manager::_get_rx_flow_control_window(size_t frame_size, size_t sw_buff_size) +{ +    double sw_buff_max = sw_buff_size * N230_RX_SW_BUFF_FULL_FACTOR; +    size_t window_in_pkts = (static_cast<size_t>(sw_buff_max) / frame_size); +    if (window_in_pkts == 0) { +        throw uhd::value_error("recv_buff_size must be larger than the recv_frame_size."); +    } +    return window_in_pkts; +} + +void n230_stream_manager::_handle_overflow(const size_t i) +{ +    boost::shared_ptr<sph::recv_packet_streamer> my_streamer = +            boost::dynamic_pointer_cast<sph::recv_packet_streamer>(_rx_streamers[i].lock()); +    if (my_streamer->get_num_channels() == 2) { +        //MIMO +        //find out if we were in continuous mode before stopping +        const bool in_continuous_streaming_mode = _resource_mgr->get_radio(i).framer->in_continuous_streaming_mode(); +        //stop streaming +        my_streamer->issue_stream_cmd(stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS); +        //restart streaming +        if (in_continuous_streaming_mode) { +            stream_cmd_t stream_cmd(stream_cmd_t::STREAM_MODE_START_CONTINUOUS); +            stream_cmd.stream_now = false; +            stream_cmd.time_spec = _resource_mgr->get_radio(i).time->get_time_now() + time_spec_t(0.01); +            my_streamer->issue_stream_cmd(stream_cmd); +        } +    } else { +        _resource_mgr->get_radio(i).framer->handle_overflow(); +    } +} + +void n230_stream_manager::_handle_rx_flowctrl( +    const sid_t& sid, +    zero_copy_if::sptr xport, +    boost::shared_ptr<rx_fc_cache_t> fc_cache, +    const size_t last_seq) +{ +    static const size_t RXFC_PACKET_LEN_IN_WORDS    = 2; +    static const size_t RXFC_CMD_CODE_OFFSET        = 0; +    static const size_t RXFC_SEQ_NUM_OFFSET         = 1; + +    managed_send_buffer::sptr buff = xport->get_send_buff(0.0); +    if (not buff) { +        throw uhd::runtime_error("handle_rx_flowctrl timed out getting a send buffer"); +    } +    boost::uint32_t *pkt = buff->cast<boost::uint32_t *>(); + +    //recover seq32 +    size_t& seq_sw = fc_cache->last_seq_in; +    const size_t seq_hw = seq_sw & HW_SEQ_NUM_MASK; +    if (last_seq < seq_hw) seq_sw += (HW_SEQ_NUM_MASK + 1); +    seq_sw &= ~HW_SEQ_NUM_MASK; +    seq_sw |= last_seq; + +    //load packet info +    vrt::if_packet_info_t packet_info; +    packet_info.packet_type = vrt::if_packet_info_t::PACKET_TYPE_CONTEXT; +    packet_info.num_payload_words32 = RXFC_PACKET_LEN_IN_WORDS; +    packet_info.num_payload_bytes = packet_info.num_payload_words32*sizeof(boost::uint32_t); +    packet_info.packet_count = seq_sw; +    packet_info.sob = false; +    packet_info.eob = false; +    packet_info.sid = sid.get(); +    packet_info.has_sid = true; +    packet_info.has_cid = false; +    packet_info.has_tsi = false; +    packet_info.has_tsf = false; +    packet_info.has_tlr = false; + +    //load header +    _cvita_hdr_pack(pkt, packet_info); + +    //load payload +    pkt[packet_info.num_header_words32 + RXFC_CMD_CODE_OFFSET] = uhd::htonx<boost::uint32_t>(N230_EVENT_CODE_FLOW_CTRL); +    pkt[packet_info.num_header_words32 + RXFC_SEQ_NUM_OFFSET] = uhd::htonx<boost::uint32_t>(seq_sw); + +    //send the buffer over the interface +    buff->commit(sizeof(boost::uint32_t)*(packet_info.num_packet_words32)); +} + +void n230_stream_manager::_handle_tx_async_msgs( +    boost::shared_ptr<tx_fc_cache_t> fc_cache, +    zero_copy_if::sptr xport, +    tick_rate_retriever_t get_tick_rate) +{ +    managed_recv_buffer::sptr buff = xport->get_recv_buff(); +    if (not buff) return; + +    //extract packet info +    vrt::if_packet_info_t if_packet_info; +    if_packet_info.num_packet_words32 = buff->size()/sizeof(boost::uint32_t); +    const boost::uint32_t *packet_buff = buff->cast<const boost::uint32_t *>(); + +    //unpacking can fail +    uint32_t (*endian_conv)(uint32_t) = uhd::ntohx; +    try { +        _cvita_hdr_unpack(packet_buff, if_packet_info); +        endian_conv = uhd::ntohx; +    } catch(const std::exception &ex) { +        UHD_MSG(error) << "Error parsing async message packet: " << ex.what() << std::endl; +        return; +    } + +    //fill in the async metadata +    async_metadata_t metadata; +    load_metadata_from_buff( +        endian_conv, metadata, if_packet_info, packet_buff, +        get_tick_rate(), fc_cache->stream_channel); + +    //The FC response and the burst ack are two indicators that the radio +    //consumed packets. Use them to update the FC metadata +    if (metadata.event_code == N230_EVENT_CODE_FLOW_CTRL or +        metadata.event_code == async_metadata_t::EVENT_CODE_BURST_ACK +    ) { +        const size_t seq = metadata.user_payload[0]; +        fc_cache->seq_queue.push_with_pop_on_full(seq); +    } + +    //FC responses don't propagate up to the user so filter them here +    if (metadata.event_code != N230_EVENT_CODE_FLOW_CTRL) { +        fc_cache->async_queue->push_with_pop_on_full(metadata); +        metadata.channel = fc_cache->device_channel; +        fc_cache->old_async_queue->push_with_pop_on_full(metadata); +        standard_async_msg_prints(metadata); +    } +} + +managed_send_buffer::sptr n230_stream_manager::_get_tx_buff_with_flowctrl( +    task::sptr /*holds ref*/, +    boost::shared_ptr<tx_fc_cache_t> fc_cache, +    zero_copy_if::sptr xport, +    size_t fc_pkt_window, +    const double timeout) +{ +    while (true) +    { +        const size_t delta = (fc_cache->last_seq_out & HW_SEQ_NUM_MASK) - (fc_cache->last_seq_ack & HW_SEQ_NUM_MASK); +        if ((delta & HW_SEQ_NUM_MASK) <= fc_pkt_window) break; + +        const bool ok = fc_cache->seq_queue.pop_with_timed_wait(fc_cache->last_seq_ack, timeout); +        if (not ok) return managed_send_buffer::sptr(); //timeout waiting for flow control +    } + +    managed_send_buffer::sptr buff = xport->get_send_buff(timeout); +    if (buff) fc_cache->last_seq_out++; //update seq, this will actually be a send +    return buff; +} + +size_t n230_stream_manager::_get_tx_flow_control_window( +    size_t payload_size, +    size_t hw_buff_size) +{ +    size_t window_in_pkts = hw_buff_size / payload_size; +    if (window_in_pkts == 0) { +        throw uhd::value_error("send_buff_size must be larger than the send_frame_size."); +    } +    return window_in_pkts; +} + +double n230_stream_manager::_get_tick_rate() +{ +    return _resource_mgr->get_clk_pps_ctrl().get_tick_rate(); +} + +void n230_stream_manager::_cvita_hdr_unpack( +    const boost::uint32_t *packet_buff, +    vrt::if_packet_info_t &if_packet_info) +{ +    if_packet_info.link_type = vrt::if_packet_info_t::LINK_TYPE_CHDR; +    return vrt::if_hdr_unpack_be(packet_buff, if_packet_info); +} + +void n230_stream_manager::_cvita_hdr_pack( +    boost::uint32_t *packet_buff, +    vrt::if_packet_info_t &if_packet_info) +{ +    if_packet_info.link_type = vrt::if_packet_info_t::LINK_TYPE_CHDR; +    return vrt::if_hdr_pack_be(packet_buff, if_packet_info); +} + +}}} //namespace diff --git a/host/lib/usrp/n230/n230_stream_manager.hpp b/host/lib/usrp/n230/n230_stream_manager.hpp new file mode 100644 index 000000000..7a496c4e9 --- /dev/null +++ b/host/lib/usrp/n230/n230_stream_manager.hpp @@ -0,0 +1,151 @@ +// +// Copyright 2014 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/>. +// + +#ifndef INCLUDED_N230_STREAM_MANAGER_HPP +#define INCLUDED_N230_STREAM_MANAGER_HPP + +#include "time_core_3000.hpp" +#include "rx_vita_core_3000.hpp" +#include <uhd/types/sid.hpp> +#include <uhd/types/device_addr.hpp> +#include <uhd/types/metadata.hpp> +#include <uhd/transport/zero_copy.hpp> +#include <uhd/transport/bounded_buffer.hpp> +#include <uhd/transport/vrt_if_packet.hpp> +#include <uhd/property_tree.hpp> +#include <uhd/utils/tasks.hpp> +#include <boost/smart_ptr.hpp> +#include "n230_device_args.hpp" +#include "n230_resource_manager.hpp" + +namespace uhd { namespace usrp { namespace n230 { + +class n230_stream_manager : public boost::noncopyable +{ +public:     //Methods +    n230_stream_manager( +        const n230_device_args_t& dev_args, +        boost::shared_ptr<n230_resource_manager> resource_mgr, +        boost::weak_ptr<property_tree> prop_tree); +    virtual ~n230_stream_manager(); + +    rx_streamer::sptr get_rx_stream( +        const uhd::stream_args_t &args); + +    tx_streamer::sptr get_tx_stream( +        const uhd::stream_args_t &args_); + +    bool recv_async_msg( +        async_metadata_t &async_metadata, +        double timeout); + +    void update_stream_states(); + +    void update_rx_samp_rate( +        const size_t dspno, const double rate); + +    void update_tx_samp_rate( +        const size_t dspno, const double rate); + +    void update_tick_rate( +        const double rate); + +private: +    typedef transport::bounded_buffer<async_metadata_t> async_md_queue_t; + +    struct rx_fc_cache_t +    { +        rx_fc_cache_t(): +            last_seq_in(0){} +        size_t last_seq_in; +    }; + +    struct tx_fc_cache_t +    { +        tx_fc_cache_t(): +            stream_channel(0), +            device_channel(0), +            last_seq_out(0), +            last_seq_ack(0), +            seq_queue(1){} +        size_t stream_channel; +        size_t device_channel; +        size_t last_seq_out; +        size_t last_seq_ack; +        transport::bounded_buffer<size_t> seq_queue; +        boost::shared_ptr<async_md_queue_t> async_queue; +        boost::shared_ptr<async_md_queue_t> old_async_queue; +    }; + +    typedef boost::function<double(void)> tick_rate_retriever_t; + +    void _handle_overflow(const size_t i); + +    double _get_tick_rate(); + +    static size_t _get_rx_flow_control_window( +        size_t frame_size, size_t sw_buff_size); + +    static void _handle_rx_flowctrl( +        const sid_t& sid, +        transport::zero_copy_if::sptr xport, +        boost::shared_ptr<rx_fc_cache_t> fc_cache, +        const size_t last_seq); + +    static void _handle_tx_async_msgs( +        boost::shared_ptr<tx_fc_cache_t> guts, +        transport::zero_copy_if::sptr xport, +        tick_rate_retriever_t get_tick_rate); + +    static transport::managed_send_buffer::sptr _get_tx_buff_with_flowctrl( +        task::sptr /*holds ref*/, +        boost::shared_ptr<tx_fc_cache_t> guts, +        transport::zero_copy_if::sptr xport, +        size_t fc_pkt_window, +        const double timeout); + +    static size_t _get_tx_flow_control_window( +        size_t payload_size, +        size_t hw_buff_size); + +    static void _cvita_hdr_unpack( +        const boost::uint32_t *packet_buff, +        transport::vrt::if_packet_info_t &if_packet_info); + +    static void _cvita_hdr_pack( +        boost::uint32_t *packet_buff, +        transport::vrt::if_packet_info_t &if_packet_info); + +    const n230_device_args_t                  _dev_args; +    boost::shared_ptr<n230_resource_manager>  _resource_mgr; +    //TODO: Find a way to remove this dependency +    boost::weak_ptr<property_tree>          _tree; + +    boost::mutex                            _stream_setup_mutex; +    uhd::msg_task::sptr                     _async_task; +    boost::shared_ptr<async_md_queue_t>     _async_md_queue; +    boost::weak_ptr<uhd::tx_streamer>       _tx_streamers[fpga::NUM_RADIOS]; +    boost::weak_ptr<uhd::rx_streamer>       _rx_streamers[fpga::NUM_RADIOS]; +    stream_args_t                           _tx_stream_cached_args[fpga::NUM_RADIOS]; +    stream_args_t                           _rx_stream_cached_args[fpga::NUM_RADIOS]; + +    static const boost::uint32_t HW_SEQ_NUM_MASK    = 0xFFF; +}; + +}}} //namespace + +#endif //INCLUDED_N230_STREAM_MANAGER_HPP diff --git a/host/lib/usrp/n230/n230_uart.cpp b/host/lib/usrp/n230/n230_uart.cpp new file mode 100644 index 000000000..20936c303 --- /dev/null +++ b/host/lib/usrp/n230/n230_uart.cpp @@ -0,0 +1,131 @@ +// +// Copyright 2013 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 "n230_uart.hpp" + +#include <uhd/transport/bounded_buffer.hpp> +#include <uhd/transport/vrt_if_packet.hpp> +#include <uhd/utils/byteswap.hpp> +#include <uhd/utils/msg.hpp> +#include <uhd/types/time_spec.hpp> +#include <uhd/exception.hpp> + +using namespace uhd; +using namespace uhd::transport; + +namespace uhd { namespace usrp { namespace n230 { + +struct n230_uart_impl : n230_uart +{ +    n230_uart_impl(zero_copy_if::sptr xport, const boost::uint32_t sid): +        _xport(xport), +        _sid(sid), +        _count(0), +        _char_queue(4096) +    { +        //this default baud divider is over 9000 +        this->set_baud_divider(9001); + +        //create a task to handle incoming packets +        _recv_task = uhd::task::make(boost::bind(&n230_uart_impl::handle_recv, this)); +    } + +    void send_char(const char ch) +    { +        managed_send_buffer::sptr buff = _xport->get_send_buff(); +        UHD_ASSERT_THROW(bool(buff)); + +        vrt::if_packet_info_t packet_info; +        packet_info.link_type = vrt::if_packet_info_t::LINK_TYPE_CHDR; +        packet_info.packet_type = vrt::if_packet_info_t::PACKET_TYPE_CONTEXT; +        packet_info.num_payload_words32 = 2; +        packet_info.num_payload_bytes = packet_info.num_payload_words32*sizeof(boost::uint32_t); +        packet_info.packet_count = _count++; +        packet_info.sob = false; +        packet_info.eob = false; +        packet_info.sid = _sid; +        packet_info.has_sid = true; +        packet_info.has_cid = false; +        packet_info.has_tsi = false; +        packet_info.has_tsf = false; +        packet_info.has_tlr = false; + +        boost::uint32_t *packet_buff = buff->cast<boost::uint32_t *>(); +        vrt::if_hdr_pack_le(packet_buff, packet_info); +        packet_buff[packet_info.num_header_words32+0] = uhd::htonx(boost::uint32_t(_baud_div)); +        packet_buff[packet_info.num_header_words32+1] = uhd::htonx(boost::uint32_t(ch)); +        buff->commit(packet_info.num_packet_words32*sizeof(boost::uint32_t)); +    } + +    void write_uart(const std::string &buff) +    { +        static bool r_sent = false; +        for (size_t i = 0; i < buff.size(); i++) +        { +            if (buff[i] == '\n' and not r_sent) this->send_char('\r'); +            this->send_char(buff[i]); +            r_sent = (buff[i] == '\r'); +        } +    } + +    std::string read_uart(double timeout) +    { +        std::string line; +        char ch = '\0'; +        while (_char_queue.pop_with_timed_wait(ch, timeout)) +        { +            if (ch == '\r') continue; +            line += std::string(&ch, 1); +            if (ch == '\n') return line; +        } +        return line; +    } + +    void handle_recv(void) +    { +        managed_recv_buffer::sptr buff = _xport->get_recv_buff(); +        if (not buff) +            return; +        const boost::uint32_t *packet_buff = buff->cast<const boost::uint32_t *>(); +        vrt::if_packet_info_t packet_info; +        packet_info.link_type = vrt::if_packet_info_t::LINK_TYPE_CHDR; +        packet_info.num_packet_words32 = buff->size()/sizeof(boost::uint32_t); +        vrt::if_hdr_unpack_be(packet_buff, packet_info); +        const char ch = char(uhd::ntohx(packet_buff[packet_info.num_header_words32+1])); +        _char_queue.push_with_pop_on_full(ch); +    } + +    void set_baud_divider(const double baud_div) +    { +        _baud_div = size_t(baud_div + 0.5); +    } + +    const zero_copy_if::sptr _xport; +    const boost::uint32_t _sid; +    size_t _count; +    size_t _baud_div; +    bounded_buffer<char> _char_queue; +    uhd::task::sptr _recv_task; +}; + + +n230_uart::sptr n230_uart::make(zero_copy_if::sptr xport, const boost::uint32_t sid) +{ +    return n230_uart::sptr(new n230_uart_impl(xport, sid)); +} + +}}} //namespace diff --git a/host/lib/usrp/n230/n230_uart.hpp b/host/lib/usrp/n230/n230_uart.hpp new file mode 100644 index 000000000..0bde12ab2 --- /dev/null +++ b/host/lib/usrp/n230/n230_uart.hpp @@ -0,0 +1,38 @@ +// +// Copyright 2013 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/>. +// + +#ifndef INCLUDED_N230_UART_HPP +#define INCLUDED_N230_UART_HPP + +#include <uhd/transport/zero_copy.hpp> +#include <uhd/types/serial.hpp> //uart iface +#include <uhd/utils/tasks.hpp> +#include <boost/shared_ptr.hpp> +#include <boost/utility.hpp> +namespace uhd { namespace usrp { namespace n230 { + +class n230_uart: boost::noncopyable, public uhd::uart_iface +{ +public: +    typedef boost::shared_ptr<n230_uart> sptr; +    static sptr make(uhd::transport::zero_copy_if::sptr, const boost::uint32_t sid); +    virtual void set_baud_divider(const double baud_div) = 0; +}; + +}}} //namespace + +#endif /* INCLUDED_N230_UART_HPP */  | 
