diff options
Diffstat (limited to 'host/lib/usrp/dboard_eeprom.cpp')
| -rw-r--r-- | host/lib/usrp/dboard_eeprom.cpp | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/host/lib/usrp/dboard_eeprom.cpp b/host/lib/usrp/dboard_eeprom.cpp index b3cb54c1c..f2bee47a9 100644 --- a/host/lib/usrp/dboard_eeprom.cpp +++ b/host/lib/usrp/dboard_eeprom.cpp @@ -20,6 +20,7 @@ #include <uhd/utils/log.hpp> #include <boost/foreach.hpp> #include <boost/format.hpp> +#include <boost/lexical_cast.hpp> #include <algorithm> #include <sstream> @@ -68,8 +69,8 @@ static const byte_vector_t string_to_bytes(const std::string &string, size_t max #define DB_EEPROM_MAGIC_VALUE 0xDB #define DB_EEPROM_ID_LSB 0x01 #define DB_EEPROM_ID_MSB 0x02 -#define DB_EEPROM_OE_LSB 0x03 -#define DB_EEPROM_OE_MSB 0x04 +#define DB_EEPROM_REV_LSB 0x03 +#define DB_EEPROM_REV_MSB 0x04 #define DB_EEPROM_OFFSET_0_LSB 0x05 // offset correction for ADC or DAC 0 #define DB_EEPROM_OFFSET_0_MSB 0x06 #define DB_EEPROM_OFFSET_1_LSB 0x07 // offset correction for ADC or DAC 1 @@ -127,6 +128,15 @@ void dboard_eeprom_t::load(i2c_iface &iface, boost::uint8_t addr){ &bytes.at(DB_EEPROM_SERIAL+DB_EEPROM_SERIAL_LEN)) ); + //parse the revision + const boost::uint16_t rev_num = 0 + | (boost::uint16_t(bytes[DB_EEPROM_REV_LSB]) << 0) + | (boost::uint16_t(bytes[DB_EEPROM_REV_MSB]) << 8) + ; + if (rev_num != 0 and rev_num != 0xffff){ + revision = boost::lexical_cast<std::string>(rev_num); + } + }catch(const uhd::assertion_error &){ id = dboard_id_t::none(); serial = ""; @@ -145,6 +155,13 @@ void dboard_eeprom_t::store(i2c_iface &iface, boost::uint8_t addr) const{ byte_vector_t ser_bytes = string_to_bytes(serial, DB_EEPROM_SERIAL_LEN); std::copy(ser_bytes.begin(), ser_bytes.end(), &bytes.at(DB_EEPROM_SERIAL)); + //load the revision bytes + if (not revision.empty()){ + const boost::uint16_t rev_num = boost::lexical_cast<boost::uint16_t>(revision); + bytes[DB_EEPROM_REV_LSB] = boost::uint8_t(rev_num >> 0); + bytes[DB_EEPROM_REV_MSB] = boost::uint8_t(rev_num >> 8); + } + //load the checksum bytes[DB_EEPROM_CHKSUM] = checksum(bytes); |