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authorJosh Blum <josh@joshknows.com>2011-02-22 10:19:09 -0800
committerJosh Blum <josh@joshknows.com>2011-02-22 10:19:09 -0800
commit814a5c40c6fbaedba3dafabbe30d00a05af6a274 (patch)
tree79bd05d506e6e0366c729b56cc3b37d734a0aebe
parenta8bb5ec900d8f2d3d2f274a921d19b564c668323 (diff)
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uhd: added 9 byte serial to dboard eeprom class
-rw-r--r--host/include/uhd/usrp/dboard_eeprom.hpp7
-rw-r--r--host/include/uhd/utils/algorithm.hpp14
-rw-r--r--host/lib/usrp/dboard_eeprom.cpp46
-rw-r--r--host/lib/usrp/mboard_eeprom.cpp12
4 files changed, 59 insertions, 20 deletions
diff --git a/host/include/uhd/usrp/dboard_eeprom.hpp b/host/include/uhd/usrp/dboard_eeprom.hpp
index 108027b46..bbad0eee4 100644
--- a/host/include/uhd/usrp/dboard_eeprom.hpp
+++ b/host/include/uhd/usrp/dboard_eeprom.hpp
@@ -26,11 +26,12 @@
namespace uhd{ namespace usrp{
struct UHD_API dboard_eeprom_t{
- /*!
- * The dboard id that was read from eeprom or will be set to eeprom.
- */
+ //! The ID for the daughterboard type
dboard_id_t id;
+ //! The unique serial number
+ std::string serial;
+
/*!
* Create a dboard eeprom struct from the bytes read out of eeprom.
* The constructor will parse out the dboard id from a vector of bytes.
diff --git a/host/include/uhd/utils/algorithm.hpp b/host/include/uhd/utils/algorithm.hpp
index 5e2230371..d3a07db96 100644
--- a/host/include/uhd/utils/algorithm.hpp
+++ b/host/include/uhd/utils/algorithm.hpp
@@ -30,20 +30,6 @@
namespace std{
/*!
- * A wrapper around std::copy that takes ranges instead of iterators.
- *
- * Copy the elements of the source range into the destination range.
- * The destination range should be at least as large as the source range.
- *
- * \param src the range of elements to copy from
- * \param dst the range of elements to be filled
- */
- template<typename RangeSrc, typename RangeDst> inline
- void copy(const RangeSrc &src, RangeDst &dst){
- std::copy(boost::begin(src), boost::end(src), boost::begin(dst));
- }
-
- /*!
* A wrapper around std::sort that takes a range instead of an iterator.
*
* The elements are sorted into ascending order using the less-than operator.
diff --git a/host/lib/usrp/dboard_eeprom.cpp b/host/lib/usrp/dboard_eeprom.cpp
index fa3631948..60d13548a 100644
--- a/host/lib/usrp/dboard_eeprom.cpp
+++ b/host/lib/usrp/dboard_eeprom.cpp
@@ -18,6 +18,7 @@
#include <uhd/usrp/dboard_eeprom.hpp>
#include <uhd/utils/assert.hpp>
#include <boost/format.hpp>
+#include <algorithm>
#include <iostream>
using namespace uhd;
@@ -25,6 +26,30 @@ using namespace uhd::usrp;
static const bool _dboard_eeprom_debug = false;
+/***********************************************************************
+ * Utility functions
+ **********************************************************************/
+
+//! create a string from a byte vector, return empty if invalid ascii
+static const std::string bytes_to_string(const byte_vector_t &bytes){
+ std::string out;
+ BOOST_FOREACH(boost::uint8_t byte, bytes){
+ if (byte < 32 or byte > 127) return out;
+ out += byte;
+ }
+ return out;
+}
+
+//! create a byte vector from a string, null terminate unless max length
+static const byte_vector_t string_to_bytes(const std::string &string, size_t max_length){
+ byte_vector_t bytes;
+ for (size_t i = 0; i < std::min(string.size(), max_length); i++){
+ bytes.push_back(string[i]);
+ }
+ if (bytes.size() < max_length - 1) bytes.push_back('\0');
+ return bytes;
+}
+
////////////////////////////////////////////////////////////////////////
// format of daughterboard EEPROM
// 00: 0xDB code for ``I'm a daughterboard''
@@ -49,6 +74,8 @@ static const bool _dboard_eeprom_debug = false;
#define DB_EEPROM_OFFSET_0_MSB 0x06
#define DB_EEPROM_OFFSET_1_LSB 0x07 // offset correction for ADC or DAC 1
#define DB_EEPROM_OFFSET_1_MSB 0x08
+#define DB_EEPROM_SERIAL 0x09
+#define DB_EEPROM_SERIAL_LEN 0x09 //9 ASCII characters
#define DB_EEPROM_CHKSUM 0x1f
#define DB_EEPROM_CLEN 0x20 // length of common portion of eeprom
@@ -76,24 +103,43 @@ dboard_eeprom_t::dboard_eeprom_t(const byte_vector_t &bytes){
) << std::endl;
}
}
+
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
| (boost::uint16_t(bytes[DB_EEPROM_ID_LSB]) << 0)
| (boost::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))
+ );
+
}catch(const uhd::assert_error &){
id = dboard_id_t::none();
+ serial = "";
}
}
byte_vector_t dboard_eeprom_t::get_eeprom_bytes(void){
byte_vector_t bytes(DB_EEPROM_CLEN, 0); //defaults to all zeros
bytes[DB_EEPROM_MAGIC] = DB_EEPROM_MAGIC_VALUE;
+
+ //load the id bytes
bytes[DB_EEPROM_ID_LSB] = boost::uint8_t(id.to_uint16() >> 0);
bytes[DB_EEPROM_ID_MSB] = boost::uint8_t(id.to_uint16() >> 8);
+
+ //load the serial bytes
+ 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 checksum
bytes[DB_EEPROM_CHKSUM] = checksum(bytes);
return bytes;
}
diff --git a/host/lib/usrp/mboard_eeprom.cpp b/host/lib/usrp/mboard_eeprom.cpp
index f7f4b2c68..c90f4a2db 100644
--- a/host/lib/usrp/mboard_eeprom.cpp
+++ b/host/lib/usrp/mboard_eeprom.cpp
@@ -17,12 +17,12 @@
#include <uhd/usrp/mboard_eeprom.hpp>
#include <uhd/types/mac_addr.hpp>
-#include <uhd/utils/algorithm.hpp>
#include <uhd/utils/byteswap.hpp>
#include <boost/asio/ip/address_v4.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/foreach.hpp>
+#include <algorithm>
#include <cstddef>
using namespace uhd;
@@ -38,6 +38,12 @@ static const size_t NAME_MAX_LEN = 32 - SERIAL_LEN;
* Utility functions
**********************************************************************/
+//! A wrapper around std::copy that takes ranges instead of iterators.
+template<typename RangeSrc, typename RangeDst> inline
+void byte_copy(const RangeSrc &src, RangeDst &dst){
+ std::copy(boost::begin(src), boost::end(src), boost::begin(dst));
+}
+
//! create a string from a byte vector, return empty if invalid ascii
static const std::string bytes_to_string(const byte_vector_t &bytes){
std::string out;
@@ -84,7 +90,7 @@ static void load_n100(mboard_eeprom_t &mb_eeprom, i2c_iface &iface){
)).to_string();
boost::asio::ip::address_v4::bytes_type ip_addr_bytes;
- std::copy(iface.read_eeprom(N100_EEPROM_ADDR, USRP_N100_OFFSETS["ip-addr"], 4), ip_addr_bytes);
+ byte_copy(iface.read_eeprom(N100_EEPROM_ADDR, USRP_N100_OFFSETS["ip-addr"], 4), ip_addr_bytes);
mb_eeprom["ip-addr"] = boost::asio::ip::address_v4(ip_addr_bytes).to_string();
//extract the serial
@@ -126,7 +132,7 @@ static void store_n100(const mboard_eeprom_t &mb_eeprom, i2c_iface &iface){
if (mb_eeprom.has_key("ip-addr")){
byte_vector_t ip_addr_bytes(4);
- std::copy(boost::asio::ip::address_v4::from_string(mb_eeprom["ip-addr"]).to_bytes(), ip_addr_bytes);
+ byte_copy(boost::asio::ip::address_v4::from_string(mb_eeprom["ip-addr"]).to_bytes(), ip_addr_bytes);
iface.write_eeprom(N100_EEPROM_ADDR, USRP_N100_OFFSETS["ip-addr"], ip_addr_bytes);
}