diff options
Diffstat (limited to 'host/lib/usrp/usrp2/mboard_impl.cpp')
| -rw-r--r-- | host/lib/usrp/usrp2/mboard_impl.cpp | 490 |
1 files changed, 0 insertions, 490 deletions
diff --git a/host/lib/usrp/usrp2/mboard_impl.cpp b/host/lib/usrp/usrp2/mboard_impl.cpp deleted file mode 100644 index 61ceb95ca..000000000 --- a/host/lib/usrp/usrp2/mboard_impl.cpp +++ /dev/null @@ -1,490 +0,0 @@ -// -// Copyright 2010-2011 Ettus Research LLC -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. -// - -#include "usrp2_impl.hpp" -#include "usrp2_regs.hpp" -#include "fw_common.h" -#include <uhd/utils/log.hpp> -#include <uhd/utils/msg.hpp> -#include <uhd/utils/safe_call.hpp> -#include <uhd/exception.hpp> -#include <uhd/usrp/gps_ctrl.hpp> -#include <uhd/usrp/misc_utils.hpp> -#include <uhd/usrp/dsp_utils.hpp> -#include <uhd/usrp/mboard_props.hpp> -#include <uhd/utils/byteswap.hpp> -#include <uhd/utils/algorithm.hpp> -#include <uhd/types/sensors.hpp> -#include <boost/assign/list_of.hpp> -#include <boost/bind.hpp> - -static const double mimo_clock_delay_usrp2_rev4 = 4.18e-9; -static const double mimo_clock_delay_usrp_n2xx = 3.55e-9; -static const size_t mimo_clock_sync_delay_cycles = 137; - -using namespace uhd; -using namespace uhd::usrp; -using namespace uhd::transport; - -/*********************************************************************** - * Helpers - **********************************************************************/ -static void init_xport(zero_copy_if::sptr xport){ - //Send a small data packet so the usrp2 knows the udp source port. - //This setup must happen before further initialization occurs - //or the async update packets will cause ICMP destination unreachable. - static const boost::uint32_t data[2] = { - uhd::htonx(boost::uint32_t(0 /* don't care seq num */)), - uhd::htonx(boost::uint32_t(USRP2_INVALID_VRT_HEADER)) - }; - - transport::managed_send_buffer::sptr send_buff = xport->get_send_buff(); - std::memcpy(send_buff->cast<void*>(), &data, sizeof(data)); - send_buff->commit(sizeof(data)); -} - -/*********************************************************************** - * Structors - **********************************************************************/ -usrp2_mboard_impl::usrp2_mboard_impl( - const device_addr_t &device_addr, - size_t index, usrp2_impl &device -): - _index(index), _device(device), - _iface(usrp2_iface::make(udp_simple::make_connected( - device_addr["addr"], BOOST_STRINGIZE(USRP2_UDP_CTRL_PORT) - ))) -{ - - //check the fpga compatibility number - const boost::uint32_t fpga_compat_num = _iface->peek32(U2_REG_COMPAT_NUM_RB); - if (fpga_compat_num != USRP2_FPGA_COMPAT_NUM){ - throw uhd::runtime_error(str(boost::format( - "\nPlease update the firmware and FPGA images for your device.\n" - "See the application notes for USRP2/N-Series for instructions.\n" - "Expected FPGA compatibility number %d, but got %d:\n" - "The FPGA build is not compatible with the host code build." - ) % int(USRP2_FPGA_COMPAT_NUM) % fpga_compat_num)); - } - - //lock the device/motherboard to this process - _iface->lock_device(true); - - //construct transports for dsp and async errors - UHD_LOG << "Making transport for DSP0..." << std::endl; - device.dsp_xports.push_back(udp_zero_copy::make( - device_addr["addr"], BOOST_STRINGIZE(USRP2_UDP_DSP0_PORT), device_addr - )); - init_xport(device.dsp_xports.back()); - - UHD_LOG << "Making transport for DSP1..." << std::endl; - device.dsp_xports.push_back(udp_zero_copy::make( - device_addr["addr"], BOOST_STRINGIZE(USRP2_UDP_DSP1_PORT), device_addr - )); - init_xport(device.dsp_xports.back()); - - UHD_LOG << "Making transport for ERR0..." << std::endl; - device.err_xports.push_back(udp_zero_copy::make( - device_addr["addr"], BOOST_STRINGIZE(USRP2_UDP_ERR0_PORT), device_addr_t() - )); - init_xport(device.err_xports.back()); - - //contruct the interfaces to mboard perifs - _clock_ctrl = usrp2_clock_ctrl::make(_iface); - _codec_ctrl = usrp2_codec_ctrl::make(_iface); - if (_iface->mb_eeprom["gpsdo"] == "internal"){ - _gps_ctrl = gps_ctrl::make( - _iface->get_gps_write_fn(), - _iface->get_gps_read_fn()); - } - - //init the dsp stuff (before setting update packets) - dsp_init(); - - //setting the cycles per update (disabled by default) - const double ups_per_sec = device_addr.cast<double>("ups_per_sec", 20); - if (ups_per_sec > 0.0){ - const size_t cycles_per_up = size_t(_clock_ctrl->get_master_clock_rate()/ups_per_sec); - _iface->poke32(U2_REG_TX_CTRL_CYCLES_PER_UP, U2_FLAG_TX_CTRL_UP_ENB | cycles_per_up); - } - - //setting the packets per update (enabled by default) - size_t send_frame_size = device.dsp_xports[0]->get_send_frame_size(); - const double ups_per_fifo = device_addr.cast<double>("ups_per_fifo", 8.0); - if (ups_per_fifo > 0.0){ - const size_t packets_per_up = size_t(usrp2_impl::sram_bytes/ups_per_fifo/send_frame_size); - _iface->poke32(U2_REG_TX_CTRL_PACKETS_PER_UP, U2_FLAG_TX_CTRL_UP_ENB | packets_per_up); - } - - //initialize the clock configuration - if (device_addr.has_key("mimo_mode")){ - if (device_addr["mimo_mode"] == "master"){ - _mimo_clocking_mode_is_master = true; - } - else if (device_addr["mimo_mode"] == "slave"){ - _mimo_clocking_mode_is_master = false; - } - else throw uhd::value_error( - "mimo_mode must be set to master or slave" - ); - } - else { - _mimo_clocking_mode_is_master = (_iface->peek32(U2_REG_STATUS) & (1 << 8)) != 0; - } - UHD_MSG(status) << boost::format("mboard%d is MIMO %s") % _index % - (_mimo_clocking_mode_is_master?"master":"slave") << std::endl; - - //init the clock config - if(_iface->mb_eeprom["gpsdo"] == "internal" or - _iface->mb_eeprom["gpsdo"] == "external") { - _clock_config = clock_config_t::external(); - } - else { - _clock_config = clock_config_t::internal(); - } - update_clock_config(); - - //init the codec before the dboard - codec_init(); - - //init the tx and rx dboards (do last) - dboard_init(); - - //set default subdev specs - (*this)[MBOARD_PROP_RX_SUBDEV_SPEC] = subdev_spec_t(); - (*this)[MBOARD_PROP_TX_SUBDEV_SPEC] = subdev_spec_t(); - - //------------------------------------------------------------------ - //This is a hack/fix for the lingering packet problem. - stream_cmd_t stream_cmd(stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE); - for (size_t i = 0; i < NUM_RX_DSPS; i++){ - size_t index = device.dsp_xports.size() - NUM_RX_DSPS + i; - stream_cmd.num_samps = 1; - this->issue_ddc_stream_cmd(stream_cmd, i); - device.dsp_xports.at(index)->get_recv_buff(0.01).get(); //recv with timeout for lingering - device.dsp_xports.at(index)->get_recv_buff(0.01).get(); //recv with timeout for expected - _iface->poke32(U2_REG_RX_CTRL_CLEAR(i), 1); //resets sequence - } - //------------------------------------------------------------------ - - //initialize VITA time to GPS time - if( _gps_ctrl.get() - and _gps_ctrl->gps_detected()) { - UHD_MSG(status) << "Setting device time to GPS time...\n"; - set_time_spec(time_spec_t(double(_gps_ctrl->get_sensor("gps_time").to_int()+1)), false); - } -} - -usrp2_mboard_impl::~usrp2_mboard_impl(void){UHD_SAFE_CALL( - _iface->poke32(U2_REG_TX_CTRL_CYCLES_PER_UP, 0); - _iface->poke32(U2_REG_TX_CTRL_PACKETS_PER_UP, 0); -)} - -/*********************************************************************** - * Helper Methods - **********************************************************************/ -void usrp2_mboard_impl::update_clock_config(void){ - boost::uint32_t pps_flags = 0; - - //slave mode overrides clock config settings - if (not _mimo_clocking_mode_is_master){ - _clock_config.ref_source = clock_config_t::REF_MIMO; - _clock_config.pps_source = clock_config_t::PPS_MIMO; - } - - //translate pps source enums - switch(_clock_config.pps_source){ - case clock_config_t::PPS_MIMO: - _iface->poke32(U2_REG_TIME64_MIMO_SYNC, - (1 << 8) | (mimo_clock_sync_delay_cycles & 0xff) - ); - break; - - case clock_config_t::PPS_SMA: - _iface->poke32(U2_REG_TIME64_MIMO_SYNC, 0); - pps_flags |= U2_FLAG_TIME64_PPS_SMA; - break; - - default: throw uhd::value_error("unhandled clock configuration pps source"); - } - - //translate pps polarity enums - switch(_clock_config.pps_polarity){ - case clock_config_t::PPS_POS: pps_flags |= U2_FLAG_TIME64_PPS_POSEDGE; break; - case clock_config_t::PPS_NEG: pps_flags |= U2_FLAG_TIME64_PPS_NEGEDGE; break; - default: throw uhd::value_error("unhandled clock configuration pps polarity"); - } - - //set the pps flags - _iface->poke32(U2_REG_TIME64_FLAGS, pps_flags); - - //clock source ref 10mhz - switch(_iface->get_rev()){ - case usrp2_iface::USRP_N200: - case usrp2_iface::USRP_N210: - case usrp2_iface::USRP_N200_R4: - case usrp2_iface::USRP_N210_R4: - switch(_clock_config.ref_source){ - case clock_config_t::REF_INT : _iface->poke32(U2_REG_MISC_CTRL_CLOCK, 0x12); break; - case clock_config_t::REF_SMA : _iface->poke32(U2_REG_MISC_CTRL_CLOCK, 0x1C); break; - case clock_config_t::REF_MIMO: _iface->poke32(U2_REG_MISC_CTRL_CLOCK, 0x15); break; - default: throw uhd::value_error("unhandled clock configuration reference source"); - } - _clock_ctrl->enable_external_ref(true); //USRP2P has an internal 10MHz TCXO - break; - - case usrp2_iface::USRP2_REV3: - case usrp2_iface::USRP2_REV4: - switch(_clock_config.ref_source){ - case clock_config_t::REF_INT : _iface->poke32(U2_REG_MISC_CTRL_CLOCK, 0x10); break; - case clock_config_t::REF_SMA : _iface->poke32(U2_REG_MISC_CTRL_CLOCK, 0x1C); break; - case clock_config_t::REF_MIMO: _iface->poke32(U2_REG_MISC_CTRL_CLOCK, 0x15); break; - default: throw uhd::value_error("unhandled clock configuration reference source"); - } - _clock_ctrl->enable_external_ref(_clock_config.ref_source != clock_config_t::REF_INT); - break; - - case usrp2_iface::USRP_NXXX: break; - } - - //masters always drive the clock over serdes - _clock_ctrl->enable_mimo_clock_out(_mimo_clocking_mode_is_master); - - //set the mimo clock delay over the serdes - if (_mimo_clocking_mode_is_master){ - switch(_iface->get_rev()){ - case usrp2_iface::USRP_N200: - case usrp2_iface::USRP_N210: - case usrp2_iface::USRP_N200_R4: - case usrp2_iface::USRP_N210_R4: - _clock_ctrl->set_mimo_clock_delay(mimo_clock_delay_usrp_n2xx); - break; - - case usrp2_iface::USRP2_REV4: - _clock_ctrl->set_mimo_clock_delay(mimo_clock_delay_usrp2_rev4); - break; - - default: break; //not handled - } - } - -} - -void usrp2_mboard_impl::set_time_spec(const time_spec_t &time_spec, bool now){ - //dont set the time for slave devices, they always take from mimo cable - if (not _mimo_clocking_mode_is_master) return; - - //set the ticks - _iface->poke32(U2_REG_TIME64_TICKS, time_spec.get_tick_count(get_master_clock_freq())); - - //set the flags register - boost::uint32_t imm_flags = (now)? U2_FLAG_TIME64_LATCH_NOW : U2_FLAG_TIME64_LATCH_NEXT_PPS; - _iface->poke32(U2_REG_TIME64_IMM, imm_flags); - - //set the seconds (latches in all 3 registers) - _iface->poke32(U2_REG_TIME64_SECS, boost::uint32_t(time_spec.get_full_secs())); -} - -/*********************************************************************** - * MBoard Get Properties - **********************************************************************/ -static const std::string dboard_name = "0"; - -void usrp2_mboard_impl::get(const wax::obj &key_, wax::obj &val){ - named_prop_t key = named_prop_t::extract(key_); - //handle the get request conditioned on the key - switch(key.as<mboard_prop_t>()){ - case MBOARD_PROP_NAME: - val = _iface->get_cname() + " mboard"; - return; - - case MBOARD_PROP_OTHERS: - val = prop_names_t(); - return; - - case MBOARD_PROP_RX_DBOARD: - UHD_ASSERT_THROW(key.name == dboard_name); - val = _rx_dboard_proxy->get_link(); - return; - - case MBOARD_PROP_RX_DBOARD_NAMES: - val = prop_names_t(1, dboard_name); - return; - - case MBOARD_PROP_TX_DBOARD: - UHD_ASSERT_THROW(key.name == dboard_name); - val = _tx_dboard_proxy->get_link(); - return; - - case MBOARD_PROP_TX_DBOARD_NAMES: - val = prop_names_t(1, dboard_name); - return; - - case MBOARD_PROP_RX_DSP: - val = _rx_dsp_proxies[key.name]->get_link(); - return; - - case MBOARD_PROP_RX_DSP_NAMES: - val = _rx_dsp_proxies.keys(); - return; - - case MBOARD_PROP_TX_DSP: - val = _tx_dsp_proxies[key.name]->get_link(); - return; - - case MBOARD_PROP_TX_DSP_NAMES: - val = _tx_dsp_proxies.keys(); - return; - - case MBOARD_PROP_CLOCK_CONFIG: - val = _clock_config; - return; - - case MBOARD_PROP_TIME_NOW: while(true){ - uint32_t secs = _iface->peek32(U2_REG_TIME64_SECS_RB_IMM); - uint32_t ticks = _iface->peek32(U2_REG_TIME64_TICKS_RB_IMM); - if (secs != _iface->peek32(U2_REG_TIME64_SECS_RB_IMM)) continue; - val = time_spec_t(secs, ticks, get_master_clock_freq()); - return; - } - - case MBOARD_PROP_TIME_PPS: while(true){ - uint32_t secs = _iface->peek32(U2_REG_TIME64_SECS_RB_PPS); - uint32_t ticks = _iface->peek32(U2_REG_TIME64_TICKS_RB_PPS); - if (secs != _iface->peek32(U2_REG_TIME64_SECS_RB_PPS)) continue; - val = time_spec_t(secs, ticks, get_master_clock_freq()); - return; - } - - case MBOARD_PROP_RX_SUBDEV_SPEC: - val = _rx_subdev_spec; - return; - - case MBOARD_PROP_TX_SUBDEV_SPEC: - val = _tx_subdev_spec; - return; - - case MBOARD_PROP_EEPROM_MAP: - val = _iface->mb_eeprom; - return; - - case MBOARD_PROP_CLOCK_RATE: - val = this->get_master_clock_freq(); - return; - - case SUBDEV_PROP_SENSOR_NAMES:{ - prop_names_t names = boost::assign::list_of("mimo_locked")("ref_locked"); - if (_gps_ctrl.get()) { - std::vector<std::string> gs = _gps_ctrl->get_sensors(); - names.insert(names.end(), gs.begin(), gs.end()); - } - val = names; - } - return; - - case MBOARD_PROP_SENSOR: - if(key.name == "mimo_locked") { - val = sensor_value_t("MIMO", this->get_mimo_locked(), "locked", "unlocked"); - return; - } - else if(key.name == "ref_locked") { - val = sensor_value_t("Ref", this->get_ref_locked(), "locked", "unlocked"); - return; - } - else if(uhd::has(_gps_ctrl->get_sensors(), key.name) and _gps_ctrl.get()) { - val = _gps_ctrl->get_sensor(key.name); - } - else { - UHD_THROW_PROP_GET_ERROR(); - } - break; - - default: UHD_THROW_PROP_GET_ERROR(); - } -} - -bool usrp2_mboard_impl::get_mimo_locked(void) { - return bool((_iface->peek32(U2_REG_IRQ_RB) & (1<<10)) > 0); -} - -bool usrp2_mboard_impl::get_ref_locked(void) { - return bool((_iface->peek32(U2_REG_IRQ_RB) & (1<<11)) > 0); -} - -/*********************************************************************** - * MBoard Set Properties - **********************************************************************/ -void usrp2_mboard_impl::set(const wax::obj &key, const wax::obj &val){ - //handle the set request conditioned on the key - switch(key.as<mboard_prop_t>()){ - - case MBOARD_PROP_CLOCK_CONFIG: - _clock_config = val.as<clock_config_t>(); - update_clock_config(); - return; - - case MBOARD_PROP_TIME_NOW: - set_time_spec(val.as<time_spec_t>(), true); - return; - - case MBOARD_PROP_TIME_PPS: - set_time_spec(val.as<time_spec_t>(), false); - return; - - case MBOARD_PROP_RX_SUBDEV_SPEC: - _rx_subdev_spec = val.as<subdev_spec_t>(); - verify_rx_subdev_spec(_rx_subdev_spec, this->get_link()); - //sanity check - UHD_ASSERT_THROW(_rx_subdev_spec.size() <= NUM_RX_DSPS); - //set the mux - for (size_t i = 0; i < _rx_subdev_spec.size(); i++){ - _iface->poke32(U2_REG_DSP_RX_MUX(i), dsp_type1::calc_rx_mux_word( - _dboard_manager->get_rx_subdev(_rx_subdev_spec[i].sd_name)[SUBDEV_PROP_CONNECTION].as<subdev_conn_t>() - )); - } - _device.update_xport_channel_mapping(); - return; - - case MBOARD_PROP_TX_SUBDEV_SPEC: - _tx_subdev_spec = val.as<subdev_spec_t>(); - verify_tx_subdev_spec(_tx_subdev_spec, this->get_link()); - //sanity check - UHD_ASSERT_THROW(_tx_subdev_spec.size() <= NUM_TX_DSPS); - //set the mux - for (size_t i = 0; i < _rx_subdev_spec.size(); i++){ - _iface->poke32(U2_REG_DSP_TX_MUX, dsp_type1::calc_tx_mux_word( - _dboard_manager->get_tx_subdev(_tx_subdev_spec[i].sd_name)[SUBDEV_PROP_CONNECTION].as<subdev_conn_t>() - )); - } - _device.update_xport_channel_mapping(); - return; - - case MBOARD_PROP_EEPROM_MAP: - // Step1: commit the map, writing only those values set. - // Step2: readback the entire eeprom map into the iface. - val.as<mboard_eeprom_t>().commit(*_iface, mboard_eeprom_t::MAP_N100); - _iface->mb_eeprom = mboard_eeprom_t(*_iface, mboard_eeprom_t::MAP_N100); - return; - - case MBOARD_PROP_CLOCK_RATE: - UHD_ASSERT_THROW(val.as<double>() == this->get_master_clock_freq()); - _device.update_xport_channel_mapping(); - return; - - default: UHD_THROW_PROP_SET_ERROR(); - } -} |