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|
//
// Copyright 2013-2015 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "e300_impl.hpp"
#include "e300_defaults.hpp"
#include "e300_fpga_defs.hpp"
#include "e300_spi.hpp"
#include "e300_regs.hpp"
#include "e300_eeprom_manager.hpp"
#include "e300_sensor_manager.hpp"
#include "e300_common.hpp"
#include "e300_remote_codec_ctrl.hpp"
#include "e3xx_radio_ctrl_impl.hpp"
#include <uhd/utils/log.hpp>
#include <uhd/utils/static.hpp>
#include <uhd/utils/paths.hpp>
#include <uhd/usrp/dboard_eeprom.hpp>
#include <uhd/transport/if_addrs.hpp>
#include <uhd/transport/udp_zero_copy.hpp>
#include <uhd/transport/udp_simple.hpp>
#include <uhd/types/sensors.hpp>
#include <boost/make_shared.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/format.hpp>
#include <boost/filesystem.hpp>
#include <boost/functional/hash.hpp>
#include <boost/bind.hpp>
#include <boost/make_shared.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/thread/thread.hpp> //sleep
#include <boost/asio.hpp>
#include <fstream>
using namespace uhd;
using namespace uhd::usrp;
using namespace uhd::usrp::gpio_atr;
using namespace uhd::transport;
namespace fs = boost::filesystem;
namespace asio = boost::asio;
namespace uhd { namespace usrp { namespace e300 {
/***********************************************************************
* Discovery
**********************************************************************/
static std::vector<std::string> discover_ip_addrs(
const std::string& addr_hint, const std::string& port)
{
std::vector<std::string> addrs;
// Create a UDP transport to communicate:
// Some devices will cause a throw when opened for a broadcast address.
// We print and recover so the caller can loop through all bcast addrs.
uhd::transport::udp_simple::sptr udp_bcast_xport;
try {
udp_bcast_xport = uhd::transport::udp_simple::make_broadcast(addr_hint, port);
} catch(const std::exception &e) {
UHD_LOGGER_ERROR("E300") << boost::format("Cannot open UDP transport on %s for discovery%s")
% addr_hint % e.what() ;
return addrs;
} catch(...) {
UHD_LOGGER_ERROR("E300") << "E300 Network discovery unknown error";
return addrs;
}
// TODO: Do not abuse the I2C transport here ...
// we send a read request to i2c address 0x51,
// to read register 0
i2c_transaction_t req;
req.type = i2c::READ | i2c::ONEBYTE;
req.addr = 0x51; // mboard's eeprom address, we don't really care
req.reg = 4;
// send dummy request
try {
udp_bcast_xport->send(boost::asio::buffer(&req, sizeof(req)));
} catch (const std::exception &ex) {
UHD_LOGGER_ERROR("E300") << "E300 Network discovery error " << ex.what();
return addrs;
} catch(...) {
UHD_LOGGER_ERROR("E300") << "E300 Network discovery unknown error";
return addrs;
}
// loop for replies until timeout
while (true) {
uint8_t buff[sizeof(i2c_transaction_t)] = {};
const size_t nbytes = udp_bcast_xport->recv(boost::asio::buffer(buff), 0.050);
if (nbytes == 0)
break; //No more responses
const i2c_transaction_t *reply = reinterpret_cast<const i2c_transaction_t*>(buff);
if (req.addr == reply->addr)
addrs.push_back(udp_bcast_xport->get_recv_addr());
}
return addrs;
}
static bool is_loopback(const if_addrs_t &if_addrs)
{
return if_addrs.inet == asio::ip::address_v4::loopback().to_string();
}
device_addrs_t e300_find(const device_addr_t &multi_dev_hint)
{
// handle multi device discovery
device_addrs_t hints = separate_device_addr(multi_dev_hint);
if (hints.size() > 1) {
device_addrs_t found_devices;
std::string err_msg;
BOOST_FOREACH(const device_addr_t &hint_i, hints)
{
device_addrs_t found_devices_i = e300_find(hint_i);
if(found_devices_i.size() != 1)
err_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 err_msg.empty())
throw uhd::value_error(err_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 e300_addrs;
// return an empty list of addresses when type is set to non-e300
if (hint.has_key("type") and hint["type"] != "e3x0")
return e300_addrs;
const bool loopback_only =
get_if_addrs().size() == 1 and is_loopback(get_if_addrs().at(0));
// if we don't have connectivity, we might as well skip the network part
if (not loopback_only) {
// if no address or node has been specified, send a broadcast
if ((not hint.has_key("addr")) and (not hint.has_key("node"))) {
BOOST_FOREACH(const if_addrs_t &if_addrs, get_if_addrs())
{
// avoid the loopback device
if (is_loopback(if_addrs))
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_e300_addrs = e300_find(new_hint);
e300_addrs.insert(e300_addrs.begin(),
new_e300_addrs.begin(), new_e300_addrs.end());
}
return e300_addrs;
}
std::vector<std::string> ip_addrs = discover_ip_addrs(
hint["addr"], E300_SERVER_I2C_PORT);
BOOST_FOREACH(const std::string &ip_addr, ip_addrs)
{
device_addr_t new_addr;
new_addr["type"] = "e3x0";
new_addr["addr"] = ip_addr;
// see if we can read the eeprom
try {
e300_eeprom_manager eeprom_manager(
i2c::make_simple_udp(new_addr["addr"], E300_SERVER_I2C_PORT));
const mboard_eeprom_t eeprom = eeprom_manager.get_mb_eeprom();
new_addr["name"] = eeprom["name"];
new_addr["serial"] = eeprom["serial"];
new_addr["product"] = eeprom_manager.get_mb_type_string();
} catch (...) {
// set these values as empty string, so the device may still be found
// and the filters 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"]))
{
e300_addrs.push_back(new_addr);
}
}
}
// finally search locally
// if device node is not provided,
// use the default one
if (not hint.has_key("node")) {
device_addr_t new_addr = hint;
new_addr["node"] = "/dev/axi_fpga";
return e300_find(new_addr);
}
// use the given node
if (fs::exists(hint["node"])) {
device_addr_t new_addr;
new_addr["type"] = "e3x0";
new_addr["node"] = fs::system_complete(fs::path(hint["node"])).string();
try {
e300_eeprom_manager eeprom_manager(i2c::make_i2cdev(E300_I2CDEV_DEVICE));
const mboard_eeprom_t eeprom = eeprom_manager.get_mb_eeprom();
new_addr["name"] = eeprom["name"];
new_addr["serial"] = eeprom["serial"];
new_addr["product"] = eeprom_manager.get_mb_type_string();
} catch (...) {
// set these values as empty string, so the device may still be found
// and the filters 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"]))
{
e300_addrs.push_back(new_addr);
}
}
return e300_addrs;
}
/***********************************************************************
* Make
**********************************************************************/
static device::sptr e300_make(const device_addr_t &device_addr)
{
UHD_LOGGER_DEBUG("E300")<< "e300_make with args " << device_addr.to_pp_string() ;
if(device_addr.has_key("server"))
throw uhd::runtime_error(
str(boost::format("Please run the server executable \"%s\"")
% "usrp_e3x0_network_mode"));
else
return device::sptr(new e300_impl(device_addr));
}
// Common code used by e300_impl and e300_image_loader
void get_e3x0_fpga_images(const uhd::device_addr_t &device_addr,
std::string &fpga_image,
std::string &idle_image){
const uint16_t pid = boost::lexical_cast<uint16_t>(
device_addr["product"]);
//extract the FPGA path for the e300
switch(e300_eeprom_manager::get_mb_type(pid)) {
case e300_eeprom_manager::USRP_E310_SG1_MB:
fpga_image = device_addr.cast<std::string>("fpga",
find_image_path(E310_SG1_FPGA_FILE_NAME));
idle_image = find_image_path(E3XX_SG1_FPGA_IDLE_FILE_NAME);
break;
case e300_eeprom_manager::USRP_E310_SG3_MB:
fpga_image = device_addr.cast<std::string>("fpga",
find_image_path(E310_SG3_FPGA_FILE_NAME));
idle_image = find_image_path(E3XX_SG3_FPGA_IDLE_FILE_NAME);
break;
case e300_eeprom_manager::USRP_E300_MB:
fpga_image = device_addr.cast<std::string>("fpga",
find_image_path(E300_FPGA_FILE_NAME));
idle_image = find_image_path(E3XX_SG1_FPGA_IDLE_FILE_NAME);
break;
case e300_eeprom_manager::UNKNOWN:
default:
UHD_LOGGER_WARNING("E300") << "Unknown motherboard type, loading e300 image."
;
fpga_image = device_addr.cast<std::string>("fpga",
find_image_path(E300_FPGA_FILE_NAME));
idle_image = find_image_path(E3XX_SG1_FPGA_IDLE_FILE_NAME);
break;
}
}
/***********************************************************************
* Structors
**********************************************************************/
e300_impl::e300_impl(const uhd::device_addr_t &device_addr)
: _device_addr(device_addr)
, _xport_path(device_addr.has_key("addr") ? ETH : AXI)
, _dma_chans_available(MAX_DMA_CHANNEL_PAIRS, ~size_t(0) /* all available at the beginning */)
{
stream_options.rx_fc_request_freq = E300_RX_FC_REQUEST_FREQ;
////////////////////////////////////////////////////////////////////
// load the fpga image
////////////////////////////////////////////////////////////////////
if (_xport_path == AXI) {
_do_not_reload = device_addr.has_key("no_reload_fpga");
if (not _do_not_reload) {
std::string fpga_image;
// need to re-read product ID code because of conversion into string in find function
e300_eeprom_manager eeprom_manager(i2c::make_i2cdev(E300_I2CDEV_DEVICE));
const mboard_eeprom_t eeprom = eeprom_manager.get_mb_eeprom();
device_addr_t device_addr_cp(device_addr.to_string());
device_addr_cp["product"] = eeprom["product"];
get_e3x0_fpga_images(device_addr_cp,
fpga_image,
_idle_image);
common::load_fpga_image(fpga_image);
}
}
////////////////////////////////////////////////////////////////////
// setup fifo xports
////////////////////////////////////////////////////////////////////
_ctrl_xport_params.recv_frame_size = e300::DEFAULT_CTRL_FRAME_SIZE;
_ctrl_xport_params.num_recv_frames = e300::DEFAULT_CTRL_NUM_FRAMES;
_ctrl_xport_params.send_frame_size = e300::DEFAULT_CTRL_FRAME_SIZE;
_ctrl_xport_params.num_send_frames = e300::DEFAULT_CTRL_NUM_FRAMES;
_data_xport_params.recv_frame_size = device_addr.cast<size_t>("recv_frame_size",
e300::DEFAULT_RX_DATA_FRAME_SIZE);
_data_xport_params.num_recv_frames = device_addr.cast<size_t>("num_recv_frames",
e300::DEFAULT_RX_DATA_NUM_FRAMES);
_data_xport_params.send_frame_size = device_addr.cast<size_t>("send_frame_size",
e300::DEFAULT_TX_DATA_FRAME_SIZE);
_data_xport_params.num_send_frames = device_addr.cast<size_t>("num_send_frames",
e300::DEFAULT_TX_DATA_NUM_FRAMES);
// until we figure out why this goes wrong we'll keep this hack around for
// the ethernet case, in the AXI case we cannot go above one page
if (_xport_path == ETH) {
_data_xport_params.recv_frame_size =
std::min(e300::MAX_NET_RX_DATA_FRAME_SIZE, _data_xport_params.recv_frame_size);
_data_xport_params.send_frame_size =
std::min(e300::MAX_NET_TX_DATA_FRAME_SIZE, _data_xport_params.send_frame_size);
} else {
_data_xport_params.recv_frame_size =
std::min(e300::MAX_AXI_RX_DATA_FRAME_SIZE, _data_xport_params.recv_frame_size);
_data_xport_params.send_frame_size =
std::min(e300::MAX_AXI_TX_DATA_FRAME_SIZE, _data_xport_params.send_frame_size);
}
udp_zero_copy::buff_params dummy_buff_params_out;
ad9361_ctrl::sptr codec_ctrl;
if (_xport_path == ETH) {
zero_copy_if::sptr codec_xport =
udp_zero_copy::make(device_addr["addr"], E300_SERVER_CODEC_PORT, _ctrl_xport_params, dummy_buff_params_out, device_addr);
codec_ctrl = e300_remote_codec_ctrl::make(codec_xport);
zero_copy_if::sptr gregs_xport =
udp_zero_copy::make(device_addr["addr"], E300_SERVER_GREGS_PORT, _ctrl_xport_params, dummy_buff_params_out, device_addr);
_global_regs = global_regs::make(gregs_xport);
zero_copy_if::sptr i2c_xport;
i2c_xport = udp_zero_copy::make(device_addr["addr"], E300_SERVER_I2C_PORT, _ctrl_xport_params, dummy_buff_params_out, device_addr);
_eeprom_manager = boost::make_shared<e300_eeprom_manager>(i2c::make_zc(i2c_xport));
uhd::transport::zero_copy_xport_params sensor_xport_params;
sensor_xport_params.recv_frame_size = 128;
sensor_xport_params.num_recv_frames = 10;
sensor_xport_params.send_frame_size = 128;
sensor_xport_params.num_send_frames = 10;
zero_copy_if::sptr sensors_xport;
sensors_xport = udp_zero_copy::make(device_addr["addr"], E300_SERVER_SENSOR_PORT, sensor_xport_params, dummy_buff_params_out, device_addr);
_sensor_manager = e300_sensor_manager::make_proxy(sensors_xport);
} else {
e300_fifo_config_t fifo_cfg;
try {
fifo_cfg = e300_read_sysfs();
} catch (...) {
throw uhd::runtime_error("Failed to get driver parameters from sysfs.");
}
_fifo_iface = e300_fifo_interface::make(fifo_cfg);
_global_regs = global_regs::make(_fifo_iface->get_global_regs_base());
ad9361_params::sptr client_settings = boost::make_shared<e300_ad9361_client_t>();
codec_ctrl = ad9361_ctrl::make_spi(client_settings, spi::make(E300_SPIDEV_DEVICE), 1);
// This is horrible ... why do I have to sleep here?
boost::this_thread::sleep(boost::posix_time::milliseconds(100));
_eeprom_manager = boost::make_shared<e300_eeprom_manager>(i2c::make_i2cdev(E300_I2CDEV_DEVICE));
_sensor_manager = e300_sensor_manager::make_local(_global_regs);
}
#ifdef E300_GPSD
UHD_LOGGER_INFO("E300") << "Detecting internal GPS ";
try {
if (_xport_path == AXI)
_gps = gpsd_iface::make("localhost", 2947);
else
_gps = gpsd_iface::make(device_addr["addr"], 2947);
} catch (std::exception &e) {
UHD_LOGGER_ERROR("E300") << "An error occured making GPSDd interface: " << e.what();
}
if (_gps) {
for (size_t i = 0; i < _GPS_TIMEOUT; i++)
{
boost::this_thread::sleep(boost::posix_time::seconds(1));
if (!_gps->gps_detected())
std::cout << "." << std::flush;
else {
std::cout << ".... " << std::flush;
break;
}
}
UHD_LOGGER_INFO("E300") << "GPSDO " << (_gps->gps_detected() ? "found" : "not found");
}
#endif
// Verify we can talk to the e300 core control registers ...
UHD_LOGGER_INFO("E300") << "Initializing core control (global registers)..." << std::endl;
this->_register_loopback_self_test(
_global_regs,
global_regs::SR_CORE_TEST,
global_regs::RB32_CORE_TEST
);
// Verify fpga compatibility version matches at least for the major
if (_get_version(FPGA_MAJOR) != fpga::COMPAT_MAJOR) {
throw uhd::runtime_error(str(boost::format(
"Expected FPGA compatibility number %lu.x, but got %lu.%lu:\n"
"The FPGA build is not compatible with the host code build.\n"
"%s"
) % fpga::COMPAT_MAJOR
% _get_version(FPGA_MAJOR) % _get_version(FPGA_MINOR)
% print_utility_error("uhd_images_downloader.py")));
}
////////////////////////////////////////////////////////////////////
// Initialize the properties tree
////////////////////////////////////////////////////////////////////
_tree->create<std::string>("/name").set("E-Series Device");
const fs_path mb_path = "/mboards/0";
_tree->create<std::string>(mb_path / "name")
.set(_eeprom_manager->get_mb_type_string());
_tree->create<std::string>(mb_path / "codename").set("Troll");
_tree->create<std::string>(mb_path / "fpga_version").set(
str(boost::format("%u.%u")
% _get_version(FPGA_MAJOR)
% _get_version(FPGA_MINOR)));
_tree->create<std::string>(mb_path / "fpga_version_hash").set(
_get_version_hash());
// Clock reference source
_tree->create<std::string>(mb_path / "clock_source" / "value")
.add_coerced_subscriber(boost::bind(&e300_impl::_update_clock_source, this, _1))
.set(e300::DEFAULT_CLOCK_SRC);
static const std::vector<std::string> clock_sources =
boost::assign::list_of("internal"); //external,gpsdo not supported
_tree->create<std::vector<std::string> >(mb_path / "clock_source" / "options").set(clock_sources);
////////////////////////////////////////////////////////////////////
// and do the misc mboard sensors
////////////////////////////////////////////////////////////////////
_tree->create<int>(mb_path / "sensors");
BOOST_FOREACH(const std::string &name, _sensor_manager->get_sensors())
{
_tree->create<sensor_value_t>(mb_path / "sensors" / name)
.set_publisher(boost::bind(&e300_sensor_manager::get_sensor, _sensor_manager, name));
}
#ifdef E300_GPSD
if (_gps) {
BOOST_FOREACH(const std::string &name, _gps->get_sensors())
{
_tree->create<sensor_value_t>(mb_path / "sensors" / name)
.set_publisher(boost::bind(&gpsd_iface::get_sensor, _gps, name));
}
}
#endif
////////////////////////////////////////////////////////////////////
// setup the mboard eeprom
////////////////////////////////////////////////////////////////////
_tree->create<mboard_eeprom_t>(mb_path / "eeprom")
.set(_eeprom_manager->get_mb_eeprom()) // set first...
.add_coerced_subscriber(boost::bind(
&e300_eeprom_manager::write_mb_eeprom,
_eeprom_manager, _1));
////////////////////////////////////////////////////////////////////
// dboard eeproms but not really
////////////////////////////////////////////////////////////////////
dboard_eeprom_t db_eeprom;
_tree->create<dboard_eeprom_t>(mb_path / "dboards" / "A" / "rx_eeprom")
.set(_eeprom_manager->get_db_eeprom())
.add_coerced_subscriber(boost::bind(
&e300_eeprom_manager::write_db_eeprom,
_eeprom_manager, _1));
_tree->create<dboard_eeprom_t>(mb_path / "dboards" / "A" / "tx_eeprom")
.set(_eeprom_manager->get_db_eeprom())
.add_coerced_subscriber(boost::bind(
&e300_eeprom_manager::write_db_eeprom,
_eeprom_manager, _1));
_tree->create<dboard_eeprom_t>(mb_path / "dboards" / "A" / "gdb_eeprom").set(db_eeprom);
////////////////////////////////////////////////////////////////////
// Access to global regs
////////////////////////////////////////////////////////////////////
_tree->create<uint32_t>(mb_path / "global_regs" / "misc")
.add_coerced_subscriber(boost::bind(&global_regs::poke32, _global_regs, global_regs::SR_CORE_MISC, _1))
;
_tree->create<uint32_t>(mb_path / "global_regs" / "pll")
.set_publisher(boost::bind(&global_regs::peek32, _global_regs, global_regs::RB32_CORE_PLL))
;
////////////////////////////////////////////////////////////////////
// clocking
////////////////////////////////////////////////////////////////////
_tree->create<double>(mb_path / "tick_rate")
.add_coerced_subscriber(boost::bind(&device3_impl::update_tx_streamers, this, _1))
.add_coerced_subscriber(boost::bind(&device3_impl::update_rx_streamers, this, _1))
;
//default some chains on -- needed for setup purposes
UHD_LOGGER_DEBUG("E300") << "Initializing AD9361 using hard SPI core..." << std::flush;
codec_ctrl->set_active_chains(true, false, true, false);
codec_ctrl->set_clock_rate(50e6);
UHD_LOGGER_DEBUG("E300") << "OK" << std::endl;
////////////////////////////////////////////////////////////////////
// Set up RFNoC blocks
////////////////////////////////////////////////////////////////////
const size_t n_rfnoc_blocks = _global_regs->peek32(global_regs::RB32_CORE_NUM_CE);
enumerate_rfnoc_blocks(
0, /* mboard index */
n_rfnoc_blocks,
E300_XB_DST_AXI + 1, /* base port, rfnoc blocks come after the AXI connect */
uhd::sid_t(E300_DEVICE_HERE, 0, E300_DEVICE_THERE, 0),
device_addr_t()
);
// If we have a radio, we must configure its codec control:
std::vector<rfnoc::block_id_t> radio_ids = find_blocks<rfnoc::e3xx_radio_ctrl_impl>("Radio");
if (radio_ids.size() > 0) {
UHD_LOGGER_DEBUG("E300") << "Initializing Radio Block..." << std::endl;
get_block_ctrl<rfnoc::e3xx_radio_ctrl_impl>(radio_ids[0])->setup_radio(codec_ctrl);
if (radio_ids.size() != 1) {
UHD_LOGGER_WARNING("E300") << "Too many Radio Blocks found. Using only " << radio_ids[0] << std::endl;
}
} else {
UHD_LOGGER_DEBUG("E300") << "No Radio Block found. Assuming radio-less operation." << std::endl;
}
////////////////////////////////////////////////////////////////////
// do some post-init tasks
////////////////////////////////////////////////////////////////////
// init the clock rate to something reasonable
_tree->access<double>(mb_path / "tick_rate")
.set(device_addr.cast<double>("master_clock_rate", ad936x_manager::DEFAULT_TICK_RATE));
// subdev spec contains full width of selections
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->create<subdev_spec_t>(mb_path / "rx_subdev_spec").set(rx_spec);
_tree->create<subdev_spec_t>(mb_path / "tx_subdev_spec").set(tx_spec);
UHD_LOGGER_DEBUG("E300") << "end of e300_impl()" << std::endl;
}
e300_impl::~e300_impl(void)
{
// Force RFNoC destructors to fire before loading the idle image
_rfnoc_block_ctrl.clear();
if (_xport_path == AXI and not _do_not_reload)
common::load_fpga_image(_idle_image);
}
void e300_impl::_register_loopback_self_test(wb_iface::sptr iface, uint32_t w_addr, uint32_t r_addr)
{
bool test_fail = false;
UHD_LOGGER_INFO("E300") << "Performing register loopback test... ";
size_t hash = size_t(time(NULL));
for (size_t i = 0; i < 100; i++)
{
boost::hash_combine(hash, i);
iface->poke32(w_addr, uint32_t(hash));
test_fail = iface->peek32(r_addr) != uint32_t(hash);
if (test_fail) break; //exit loop on any failure
}
UHD_LOGGER_INFO("E300") << "Register loopback test " << ((test_fail)? " failed" : "passed");
}
uint32_t e300_impl::_get_version(compat_t which)
{
const uint16_t compat_num
= _global_regs->peek32(global_regs::RB32_CORE_COMPAT);
switch(which) {
case FPGA_MINOR:
return compat_num & 0xff;
case FPGA_MAJOR:
return (compat_num & 0xff00) >> 8;
default:
throw uhd::value_error("Requested unknown version.");
};
}
std::string e300_impl::_get_version_hash(void)
{
const uint32_t git_hash
= _global_regs->peek32(global_regs::RB32_CORE_GITHASH);
return str(boost::format("%7x%s")
% (git_hash & 0x0FFFFFFF)
% ((git_hash & 0xF0000000) ? "-dirty" : ""));
}
void e300_impl::_setup_dest_mapping(
const uhd::sid_t &sid,
const size_t which_stream)
{
UHD_LOGGER_DEBUG("E300") << boost::format("[E300] Setting up dest map for host ep %lu to be stream %d")
% sid.get_src_endpoint() % which_stream << std::endl;
_global_regs->poke32(DST_ADDR(sid.get_src_endpoint()), which_stream);
}
size_t e300_impl::_get_axi_dma_channel_pair()
{
if (_dma_chans_available.none()) {
throw uhd::runtime_error("No more free DMA channels available.");
}
size_t first_free_pair = _dma_chans_available.find_first();
_dma_chans_available.reset(first_free_pair);
return first_free_pair;
}
uint16_t e300_impl::_get_udp_port(
uint8_t destination,
uint8_t prefix)
{
if (destination == E300_XB_DST_RADIO) {
if (prefix == E300_RADIO_DEST_PREFIX_CTRL)
return boost::lexical_cast<uint16_t>(E300_SERVER_CTRL_PORT0);
else if (prefix == E300_RADIO_DEST_PREFIX_TX)
return boost::lexical_cast<uint16_t>(E300_SERVER_TX_PORT0);
else if (prefix == E300_RADIO_DEST_PREFIX_RX)
return boost::lexical_cast<uint16_t>(E300_SERVER_RX_PORT0);
} else if (destination == E300_XB_DST_R1) {
if (prefix == E300_RADIO_DEST_PREFIX_CTRL)
return boost::lexical_cast<uint16_t>(E300_SERVER_CTRL_PORT1);
else if (prefix == E300_RADIO_DEST_PREFIX_TX)
return boost::lexical_cast<uint16_t>(E300_SERVER_TX_PORT1);
else if (prefix == E300_RADIO_DEST_PREFIX_RX)
return boost::lexical_cast<uint16_t>(E300_SERVER_RX_PORT1);
}
throw uhd::value_error(str(boost::format("No UDP port defined for combination: %u %u") % destination % prefix));
}
uhd::sid_t e300_impl::_allocate_sid(
const uhd::sid_t &address)
{
uhd::sid_t sid = address;
sid.set_src_addr(E300_DEVICE_HERE);
sid.set_src_endpoint(_sid_framer);
// TODO: We don't have to do this everytime ...
// Program the E300 to recognize it's own local address.
_global_regs->poke32(global_regs::SR_CORE_XB_LOCAL, address.get_dst_addr());
// Program CAM entry for outgoing packets matching a E300 resource
// (e.g. Radio).
// This type of packet matches the XB_LOCAL address and is looked up in
// the upper half of the CAM
_global_regs->poke32(XB_ADDR(256 + address.get_dst_endpoint()), address.get_dst_xbarport());
// TODO: We don't have to do this everytime ...
// Program CAM entry for returning packets to us
// (for example host via zynq_fifo)
// This type of packet does not match the XB_LOCAL address and is
// looked up in the lower half of the CAM
_global_regs->poke32(XB_ADDR(E300_DEVICE_HERE), E300_XB_DST_AXI);
// increment for next setup
_sid_framer++;
return sid;
}
uhd::both_xports_t e300_impl::make_transport(
const uhd::sid_t &address,
const xport_type_t type,
const uhd::device_addr_t &)
{
uhd::both_xports_t xports;
xports.endianness = ENDIANNESS_LITTLE;
const uhd::transport::zero_copy_xport_params params =
(type == CTRL) ? _ctrl_xport_params : _data_xport_params;
xports.send_sid = _allocate_sid(address);
xports.recv_sid = xports.send_sid.reversed();
xports.recv_buff_size = params.recv_frame_size * params.num_recv_frames;
xports.send_buff_size = params.send_frame_size * params.num_send_frames;
if (_xport_path != AXI) {
throw uhd::runtime_error("[E300] Currently only AXI transport supported with RFNOC");
}
const size_t chan_pair = _get_axi_dma_channel_pair();
xports.send = _fifo_iface->make_send_xport(chan_pair, params);
xports.recv = _fifo_iface->make_recv_xport(chan_pair, params);
_setup_dest_mapping(xports.send_sid, chan_pair);
return xports;
}
size_t e300_impl::get_mtu(const size_t /*mb_index*/, const uhd::direction_t dir) {
return (dir == RX_DIRECTION) ? _data_xport_params.recv_frame_size :
_data_xport_params.send_frame_size;
}
void e300_impl::_update_clock_source(const std::string &source)
{
if (source != "internal") {
throw uhd::value_error(boost::str(
boost::format("Clock source option not supported: %s. The only value supported is \"internal\". " \
"To discipline the internal oscillator, set the appropriate time source.") % source
));
}
}
}}} // namespace
UHD_STATIC_BLOCK(register_e300_device)
{
device::register_device(&uhd::usrp::e300::e300_find, &uhd::usrp::e300::e300_make, uhd::device::USRP);
}
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