本文整理汇总了C++中i2c_iface::read_eeprom方法的典型用法代码示例。如果您正苦于以下问题：C++ i2c_iface::read_eeprom方法的具体用法？C++ i2c_iface::read_eeprom怎么用？C++ i2c_iface::read_eeprom使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类i2c_iface的用法示例。
在下文中一共展示了i2c_iface::read_eeprom方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: offsetof
static void load_b000(mboard_eeprom_t &mb_eeprom, i2c_iface &iface){
//extract the serial
mb_eeprom["serial"] = bytes_to_string(iface.read_eeprom(
B000_EEPROM_ADDR, offsetof(b000_eeprom_map, serial), B000_SERIAL_LEN
));
//extract the name
mb_eeprom["name"] = bytes_to_string(iface.read_eeprom(
B000_EEPROM_ADDR, offsetof(b000_eeprom_map, name), NAME_MAX_LEN
));
//extract master clock rate as a 32-bit uint in Hz
boost::uint32_t master_clock_rate;
const byte_vector_t rate_bytes = iface.read_eeprom(
B000_EEPROM_ADDR, offsetof(b000_eeprom_map, mcr), sizeof(master_clock_rate)
);
std::copy(
rate_bytes.begin(), rate_bytes.end(), //input
reinterpret_cast<boost::uint8_t *>(&master_clock_rate) //output
);
master_clock_rate = ntohl(master_clock_rate);
if (master_clock_rate > 1e6 and master_clock_rate < 1e9){
mb_eeprom["mcr"] = boost::lexical_cast<std::string>(master_clock_rate);
}
else mb_eeprom["mcr"] = "";
}示例2: load
void dboard_eeprom_t::load(i2c_iface &iface, uint8_t addr){
byte_vector_t bytes = iface.read_eeprom(addr, 0, DB_EEPROM_CLEN);
std::ostringstream ss;
for (size_t i = 0; i < bytes.size(); i++){
UHD_LOG_TRACE("DB_EEPROM",
boost::format("eeprom byte[0x%02x] = 0x%02x")
% i
% int(bytes.at(i))
);
}
try{
UHD_ASSERT_THROW(bytes.size() >= DB_EEPROM_CLEN);
UHD_ASSERT_THROW(bytes[DB_EEPROM_MAGIC] == DB_EEPROM_MAGIC_VALUE);
UHD_ASSERT_THROW(bytes[DB_EEPROM_CHKSUM] == checksum(bytes));
//parse the ids
id = dboard_id_t::from_uint16(0
| (uint16_t(bytes[DB_EEPROM_ID_LSB]) << 0)
| (uint16_t(bytes[DB_EEPROM_ID_MSB]) << 8)
);
//parse the serial
serial = bytes_to_string(
byte_vector_t(&bytes.at(DB_EEPROM_SERIAL),
&bytes.at(DB_EEPROM_SERIAL+DB_EEPROM_SERIAL_LEN))
);
//parse the revision
const uint16_t rev_num = 0
| (uint16_t(bytes[DB_EEPROM_REV_LSB]) << 0)
| (uint16_t(bytes[DB_EEPROM_REV_MSB]) << 8)
;
if (rev_num != 0 and rev_num != 0xffff){
revision = std::to_string(rev_num);
}
}catch(const uhd::assertion_error &){
id = dboard_id_t::none();
serial = "";
}
}