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//
// Copyright 2017-18 Ettus Research (National Instruments Corp.)
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "x300_impl.hpp"
#include <uhdlib/utils/eeprom_utils.hpp>
#include <uhd/usrp/mboard_eeprom.hpp>
#include <uhd/types/serial.hpp>
namespace {
const uint8_t X300_EEPROM_ADDR = 0x50;
struct x300_eeprom_map
{
//identifying numbers
unsigned char revision[2];
unsigned char product[2];
unsigned char revision_compat[2];
uint8_t _pad0[2];
//all the mac addrs
uint8_t mac_addr0[6];
uint8_t _pad1[2];
uint8_t mac_addr1[6];
uint8_t _pad2[2];
//all the IP addrs
uint32_t gateway;
uint32_t subnet[4];
uint32_t ip_addr[4];
uint8_t _pad3[16];
//names and serials
unsigned char name[NAME_MAX_LEN];
unsigned char serial[SERIAL_LEN];
};
}
using namespace uhd;
using uhd::usrp::mboard_eeprom_t;
mboard_eeprom_t x300_impl::get_mb_eeprom(uhd::i2c_iface::sptr iface)
{
byte_vector_t bytes =
iface->read_eeprom(X300_EEPROM_ADDR, 0, sizeof(struct x300_eeprom_map));
mboard_eeprom_t mb_eeprom;
if (bytes.empty()) {
return mb_eeprom;
}
//extract the revision number
mb_eeprom["revision"] = uint16_bytes_to_string(
byte_vector_t(
bytes.begin() + offsetof(x300_eeprom_map, revision),
bytes.begin() + (offsetof(x300_eeprom_map, revision)+2))
);
//extract the revision compat number
mb_eeprom["revision_compat"] = uint16_bytes_to_string(
byte_vector_t(
bytes.begin() + offsetof(x300_eeprom_map, revision_compat),
bytes.begin() + (offsetof(x300_eeprom_map, revision_compat)+2))
);
//extract the product code
mb_eeprom["product"] = uint16_bytes_to_string(
byte_vector_t(
bytes.begin() + offsetof(x300_eeprom_map, product),
bytes.begin() + (offsetof(x300_eeprom_map, product)+2))
);
//extract the mac addresses
mb_eeprom["mac-addr0"] = mac_addr_t::from_bytes(
byte_vector_t(
bytes.begin() + offsetof(x300_eeprom_map, mac_addr0),
bytes.begin() + (offsetof(x300_eeprom_map, mac_addr0)+6))
).to_string();
mb_eeprom["mac-addr1"] = mac_addr_t::from_bytes(
byte_vector_t(
bytes.begin() + offsetof(x300_eeprom_map, mac_addr1),
bytes.begin() + (offsetof(x300_eeprom_map, mac_addr1)+6))
).to_string();
//extract the ip addresses
boost::asio::ip::address_v4::bytes_type ip_addr_bytes;
byte_copy(
byte_vector_t(
bytes.begin() + offsetof(x300_eeprom_map, gateway),
bytes.begin() + (offsetof(x300_eeprom_map, gateway)+4)),
ip_addr_bytes
);
mb_eeprom["gateway"] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
for (size_t i = 0; i < 4; i++)
{
const std::string n(1, char(i)+'0');
byte_copy(
byte_vector_t(
bytes.begin() + (offsetof(x300_eeprom_map, ip_addr)+(i*4)),
bytes.begin() + (offsetof(x300_eeprom_map, ip_addr)+(i*4)+4)),
ip_addr_bytes
);
mb_eeprom["ip-addr"+n] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
byte_copy(
byte_vector_t(
bytes.begin() + (offsetof(x300_eeprom_map, subnet)+(i*4)),
bytes.begin() + (offsetof(x300_eeprom_map, subnet)+(i*4)+4)),
ip_addr_bytes
);
mb_eeprom["subnet"+n] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
}
//extract the serial
mb_eeprom["serial"] = bytes_to_string(
byte_vector_t(
bytes.begin() + offsetof(x300_eeprom_map, serial),
bytes.begin() + (offsetof(x300_eeprom_map, serial)+SERIAL_LEN))
);
//extract the name
mb_eeprom["name"] = bytes_to_string(
byte_vector_t(
bytes.begin() + offsetof(x300_eeprom_map, name),
bytes.begin() + (offsetof(x300_eeprom_map, name)+NAME_MAX_LEN))
);
return mb_eeprom;
}
void x300_impl::set_mb_eeprom(
i2c_iface::sptr iface,
const mboard_eeprom_t &mb_eeprom
) {
const mboard_eeprom_t curr_eeprom = get_mb_eeprom(iface);
// Check for duplicate MAC and IP addresses
const std::vector<std::string> mac_keys{
"mac-addr0",
"mac-addr1"
};
const std::vector<std::string> ip_keys{
"ip-addr0",
"ip-addr1",
"ip-addr2",
"ip-addr3"
};
//make sure there are no duplicate values
if (check_for_duplicates<uhd::mac_addr_t>(
"X300", mb_eeprom, curr_eeprom,"MAC address", mac_keys) or
check_for_duplicates<boost::asio::ip::address_v4>(
"X300", mb_eeprom, curr_eeprom, "IP address", ip_keys))
{
throw uhd::value_error(
"Duplicate values not permitted - write to EEPROM aborted");
}
//parse the revision number
if (mb_eeprom.has_key("revision")) iface->write_eeprom(
X300_EEPROM_ADDR, offsetof(x300_eeprom_map, revision),
string_to_uint16_bytes(mb_eeprom["revision"])
);
//parse the revision compat number
if (mb_eeprom.has_key("revision_compat")) iface->write_eeprom(
X300_EEPROM_ADDR, offsetof(x300_eeprom_map, revision_compat),
string_to_uint16_bytes(mb_eeprom["revision_compat"])
);
//parse the product code
if (mb_eeprom.has_key("product")) iface->write_eeprom(
X300_EEPROM_ADDR, offsetof(x300_eeprom_map, product),
string_to_uint16_bytes(mb_eeprom["product"])
);
//store the mac addresses
if (mb_eeprom.has_key("mac-addr0")) iface->write_eeprom(
X300_EEPROM_ADDR, offsetof(x300_eeprom_map, mac_addr0),
mac_addr_t::from_string(mb_eeprom["mac-addr0"]).to_bytes()
);
if (mb_eeprom.has_key("mac-addr1")) iface->write_eeprom(
X300_EEPROM_ADDR, offsetof(x300_eeprom_map, mac_addr1),
mac_addr_t::from_string(mb_eeprom["mac-addr1"]).to_bytes()
);
//store the ip addresses
byte_vector_t ip_addr_bytes(4);
if (mb_eeprom.has_key("gateway")){
byte_copy(boost::asio::ip::address_v4::from_string(mb_eeprom["gateway"]).to_bytes(), ip_addr_bytes);
iface->write_eeprom(X300_EEPROM_ADDR, offsetof(x300_eeprom_map, gateway), ip_addr_bytes);
}
for (size_t i = 0; i < 4; i++)
{
const std::string n(1, char(i)+'0');
if (mb_eeprom.has_key("ip-addr"+n)){
byte_copy(boost::asio::ip::address_v4::from_string(mb_eeprom["ip-addr"+n]).to_bytes(), ip_addr_bytes);
iface->write_eeprom(X300_EEPROM_ADDR, offsetof(x300_eeprom_map, ip_addr)+(i*4), ip_addr_bytes);
}
if (mb_eeprom.has_key("subnet"+n)){
byte_copy(boost::asio::ip::address_v4::from_string(mb_eeprom["subnet"+n]).to_bytes(), ip_addr_bytes);
iface->write_eeprom(X300_EEPROM_ADDR, offsetof(x300_eeprom_map, subnet)+(i*4), ip_addr_bytes);
}
}
//store the serial
if (mb_eeprom.has_key("serial")) iface->write_eeprom(
X300_EEPROM_ADDR, offsetof(x300_eeprom_map, serial),
string_to_bytes(mb_eeprom["serial"], SERIAL_LEN)
);
//store the name
if (mb_eeprom.has_key("name")) iface->write_eeprom(
X300_EEPROM_ADDR, offsetof(x300_eeprom_map, name),
string_to_bytes(mb_eeprom["name"], NAME_MAX_LEN)
);
}
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