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//
// Copyright 2017 Ettus Research (National Instruments Corp.)
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "b200_impl.hpp"
#include <uhdlib/utils/eeprom_utils.hpp>
#include <uhd/usrp/mboard_eeprom.hpp>
namespace {
/* On the B200, this field indicates the slave address. From the FX3, this
* address is always 0. */
static const uint8_t B200_EEPROM_SLAVE_ADDR = 0x04;
//use char array so we dont need to attribute packed
struct b200_eeprom_map{
unsigned char _r[220];
unsigned char revision[2];
unsigned char product[2];
unsigned char name[NAME_MAX_LEN];
unsigned char serial[SERIAL_LEN];
};
}
using namespace uhd;
using uhd::usrp::mboard_eeprom_t;
mboard_eeprom_t b200_impl::get_mb_eeprom(uhd::i2c_iface::sptr iface)
{
mboard_eeprom_t mb_eeprom;
//extract the revision number
mb_eeprom["revision"] = uint16_bytes_to_string(
iface->read_eeprom(B200_EEPROM_SLAVE_ADDR, offsetof(b200_eeprom_map, revision), 2)
);
//extract the product code
mb_eeprom["product"] = uint16_bytes_to_string(
iface->read_eeprom(B200_EEPROM_SLAVE_ADDR, offsetof(b200_eeprom_map, product), 2)
);
//extract the serial
mb_eeprom["serial"] = bytes_to_string(iface->read_eeprom(
B200_EEPROM_SLAVE_ADDR, offsetof(b200_eeprom_map, serial), SERIAL_LEN
));
//extract the name
mb_eeprom["name"] = bytes_to_string(iface->read_eeprom(
B200_EEPROM_SLAVE_ADDR, offsetof(b200_eeprom_map, name), NAME_MAX_LEN
));
return mb_eeprom;
}
void b200_impl::set_mb_eeprom(const mboard_eeprom_t &mb_eeprom)
{
//parse the revision number
if (mb_eeprom.has_key("revision")) _iface->write_eeprom(
B200_EEPROM_SLAVE_ADDR, offsetof(b200_eeprom_map, revision),
string_to_uint16_bytes(mb_eeprom["revision"])
);
//parse the product code
if (mb_eeprom.has_key("product")) _iface->write_eeprom(
B200_EEPROM_SLAVE_ADDR, offsetof(b200_eeprom_map, product),
string_to_uint16_bytes(mb_eeprom["product"])
);
//store the serial
if (mb_eeprom.has_key("serial")) _iface->write_eeprom(
B200_EEPROM_SLAVE_ADDR, offsetof(b200_eeprom_map, serial),
string_to_bytes(mb_eeprom["serial"], SERIAL_LEN)
);
//store the name
if (mb_eeprom.has_key("name")) _iface->write_eeprom(
B200_EEPROM_SLAVE_ADDR, offsetof(b200_eeprom_map, name),
string_to_bytes(mb_eeprom["name"], NAME_MAX_LEN)
);
}
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