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//
// Copyright 2017 Ettus Research (National Instruments Corp.)
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "usrp2_impl.hpp"
#include <uhd/types/byte_vector.hpp>
#include <uhd/types/mac_addr.hpp>
#include <uhd/usrp/mboard_eeprom.hpp>
#include <uhdlib/utils/eeprom_utils.hpp>
#include <boost/asio/ip/address_v4.hpp>
namespace {
const uint8_t N200_EEPROM_ADDR = 0x50;
struct n200_eeprom_map
{
uint16_t hardware;
uint8_t mac_addr[6];
uint32_t subnet;
uint32_t ip_addr;
uint16_t _pad0;
uint16_t revision;
uint16_t product;
unsigned char _pad1;
unsigned char gpsdo;
unsigned char serial[SERIAL_LEN];
unsigned char name[NAME_MAX_LEN];
uint32_t gateway;
};
enum n200_gpsdo_type {
N200_GPSDO_NONE = 0,
N200_GPSDO_INTERNAL = 1,
N200_GPSDO_ONBOARD = 2
};
} // namespace
using namespace uhd;
using uhd::usrp::mboard_eeprom_t;
mboard_eeprom_t usrp2_impl::get_mb_eeprom(usrp2_iface& iface)
{
uhd::usrp::mboard_eeprom_t mb_eeprom;
// extract the hardware number
mb_eeprom["hardware"] = uint16_bytes_to_string(
iface.read_eeprom(N200_EEPROM_ADDR, offsetof(n200_eeprom_map, hardware), 2));
// extract the revision number
mb_eeprom["revision"] = uint16_bytes_to_string(
iface.read_eeprom(N200_EEPROM_ADDR, offsetof(n200_eeprom_map, revision), 2));
// extract the product code
mb_eeprom["product"] = uint16_bytes_to_string(
iface.read_eeprom(N200_EEPROM_ADDR, offsetof(n200_eeprom_map, product), 2));
// extract the addresses
mb_eeprom["mac-addr"] = mac_addr_t::from_bytes(
iface.read_eeprom(N200_EEPROM_ADDR, offsetof(n200_eeprom_map, mac_addr), 6))
.to_string();
boost::asio::ip::address_v4::bytes_type ip_addr_bytes;
byte_copy(iface.read_eeprom(N200_EEPROM_ADDR, offsetof(n200_eeprom_map, ip_addr), 4),
ip_addr_bytes);
mb_eeprom["ip-addr"] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
byte_copy(iface.read_eeprom(N200_EEPROM_ADDR, offsetof(n200_eeprom_map, subnet), 4),
ip_addr_bytes);
mb_eeprom["subnet"] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
byte_copy(iface.read_eeprom(N200_EEPROM_ADDR, offsetof(n200_eeprom_map, gateway), 4),
ip_addr_bytes);
mb_eeprom["gateway"] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
// gpsdo capabilities
uint8_t gpsdo_byte =
iface.read_eeprom(N200_EEPROM_ADDR, offsetof(n200_eeprom_map, gpsdo), 1).at(0);
switch (n200_gpsdo_type(gpsdo_byte)) {
case N200_GPSDO_INTERNAL:
mb_eeprom["gpsdo"] = "internal";
break;
case N200_GPSDO_ONBOARD:
mb_eeprom["gpsdo"] = "onboard";
break;
default:
mb_eeprom["gpsdo"] = "none";
}
// extract the serial
mb_eeprom["serial"] = bytes_to_string(iface.read_eeprom(
N200_EEPROM_ADDR, offsetof(n200_eeprom_map, serial), SERIAL_LEN));
// extract the name
mb_eeprom["name"] = bytes_to_string(iface.read_eeprom(
N200_EEPROM_ADDR, offsetof(n200_eeprom_map, name), NAME_MAX_LEN));
// Empty serial correction: use the mac address to determine serial.
// Older usrp2 models don't have a serial burned into EEPROM.
// The lower mac address bits will function as the serial number.
if (mb_eeprom["serial"].empty()) {
byte_vector_t mac_addr_bytes =
mac_addr_t::from_string(mb_eeprom["mac-addr"]).to_bytes();
unsigned serial = mac_addr_bytes.at(5)
| (unsigned(mac_addr_bytes.at(4) & 0x0f) << 8);
mb_eeprom["serial"] = std::to_string(serial);
}
return mb_eeprom;
}
void usrp2_impl::set_mb_eeprom(const std::string& mb, const mboard_eeprom_t& mb_eeprom)
{
auto& iface = _mbc[mb].iface;
// parse the revision number
if (mb_eeprom.has_key("hardware"))
iface->write_eeprom(N200_EEPROM_ADDR,
offsetof(n200_eeprom_map, hardware),
string_to_uint16_bytes(mb_eeprom["hardware"]));
// parse the revision number
if (mb_eeprom.has_key("revision"))
iface->write_eeprom(N200_EEPROM_ADDR,
offsetof(n200_eeprom_map, revision),
string_to_uint16_bytes(mb_eeprom["revision"]));
// parse the product code
if (mb_eeprom.has_key("product"))
iface->write_eeprom(N200_EEPROM_ADDR,
offsetof(n200_eeprom_map, product),
string_to_uint16_bytes(mb_eeprom["product"]));
// store the addresses
if (mb_eeprom.has_key("mac-addr"))
iface->write_eeprom(N200_EEPROM_ADDR,
offsetof(n200_eeprom_map, mac_addr),
mac_addr_t::from_string(mb_eeprom["mac-addr"]).to_bytes());
if (mb_eeprom.has_key("ip-addr")) {
byte_vector_t ip_addr_bytes(4);
byte_copy(
boost::asio::ip::address_v4::from_string(mb_eeprom["ip-addr"]).to_bytes(),
ip_addr_bytes);
iface->write_eeprom(
N200_EEPROM_ADDR, offsetof(n200_eeprom_map, ip_addr), ip_addr_bytes);
}
if (mb_eeprom.has_key("subnet")) {
byte_vector_t ip_addr_bytes(4);
byte_copy(
boost::asio::ip::address_v4::from_string(mb_eeprom["subnet"]).to_bytes(),
ip_addr_bytes);
iface->write_eeprom(
N200_EEPROM_ADDR, offsetof(n200_eeprom_map, subnet), ip_addr_bytes);
}
if (mb_eeprom.has_key("gateway")) {
byte_vector_t ip_addr_bytes(4);
byte_copy(
boost::asio::ip::address_v4::from_string(mb_eeprom["gateway"]).to_bytes(),
ip_addr_bytes);
iface->write_eeprom(
N200_EEPROM_ADDR, offsetof(n200_eeprom_map, gateway), ip_addr_bytes);
}
// gpsdo capabilities
if (mb_eeprom.has_key("gpsdo")) {
uint8_t gpsdo_byte = N200_GPSDO_NONE;
if (mb_eeprom["gpsdo"] == "internal")
gpsdo_byte = N200_GPSDO_INTERNAL;
if (mb_eeprom["gpsdo"] == "onboard")
gpsdo_byte = N200_GPSDO_ONBOARD;
iface->write_eeprom(N200_EEPROM_ADDR,
offsetof(n200_eeprom_map, gpsdo),
byte_vector_t(1, gpsdo_byte));
}
// store the serial
if (mb_eeprom.has_key("serial"))
iface->write_eeprom(N200_EEPROM_ADDR,
offsetof(n200_eeprom_map, serial),
string_to_bytes(mb_eeprom["serial"], SERIAL_LEN));
// store the name
if (mb_eeprom.has_key("name"))
iface->write_eeprom(N200_EEPROM_ADDR,
offsetof(n200_eeprom_map, name),
string_to_bytes(mb_eeprom["name"], NAME_MAX_LEN));
}
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