OctoClock firmware upgrade, added host driver

* OctoClock can communicate with UHD over Ethernet
* Can read NMEA strings from GPSDO and send to host
* Added multi_usrp_clock class for clock devices
* uhd::device can now filter to return only USRP devices or clock devices
* New OctoClock bootloader can accept firmware download over Ethernet
* Added octoclock_burn_eeprom,octoclock_firmware_burner utilities
* Added test_clock_synch example to show clock API

1 files changed, 95 insertions, 0 deletions

diff --git a/host/utils/octoclock_burn_eeprom.cpp b/host/utils/octoclock_burn_eeprom.cpp
new file mode 100644
index 000000000..033a8f499
--- /dev/null
+++ b/host/utils/octoclock_burn_eeprom.cpp
@@ -0,0 +1,95 @@
+//
+// Copyright 2014 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include <uhd/device.hpp>
+#include <uhd/utils/safe_main.hpp>
+#include <uhd/usrp_clock/octoclock_eeprom.hpp>
+#include <uhd/property_tree.hpp>
+#include <uhd/types/device_addr.hpp>
+#include <boost/algorithm/string.hpp>
+#include <boost/program_options.hpp>
+#include <boost/format.hpp>
+#include <iostream>
+#include <vector>
+
+namespace po = boost::program_options;
+
+using namespace uhd;
+using namespace uhd::usrp_clock;
+
+int UHD_SAFE_MAIN(int argc, char *argv[]){
+    std::string args, input_str, key, val;
+
+    po::options_description desc("Allowed options");
+    desc.add_options()
+        ("help", "help message")
+        ("args", po::value<std::string>(&args)->default_value(""), "device address args [default = \"\"]")
+        ("values", po::value<std::string>(&input_str), "keys+values to read/write, separate multiple by \",\"")
+        ("read-all", "Read all motherboard EEPROM values without writing")
+    ;
+
+    po::variables_map vm;
+    po::store(po::parse_command_line(argc, argv, desc), vm);
+    po::notify(vm);
+
+    //print the help message
+    if (vm.count("help") or (not vm.count("values") and not vm.count("read-all"))){
+        std::cout << boost::format("OctoClock Burn EEPROM %s") % desc << std::endl;
+        std::cout << boost::format(
+            "Omit the value argument to perform a readback,\n"
+            "Or specify a new value to burn into the EEPROM.\n"
+        ) << std::endl;
+        return EXIT_FAILURE;
+    }
+
+    std::cout << "Creating OctoClock device from args: " + args << std::endl;
+    device::sptr oc = device::make(args, device::CLOCK);
+    property_tree::sptr tree = oc->get_tree();
+    octoclock_eeprom_t oc_eeprom = tree->access<octoclock_eeprom_t>("/mboards/0/eeprom").get();
+    std::cout << std::endl;
+
+    std::vector<std::string> keys_vec, vals_vec;
+    if(vm.count("read-all")) keys_vec = oc_eeprom.keys(); //Leaving vals_vec empty will force utility to only read
+    else if(vm.count("values")){
+        //uhd::device_addr_t properly parses input values
+        device_addr_t vals(input_str);
+        keys_vec = vals.keys();
+        vals_vec = vals.vals();
+    }
+    else throw std::runtime_error("Must specify --values or --read-all option!");
+
+    std::cout << "Fetching current settings from EEPROM..." << std::endl;
+    for(size_t i = 0; i < keys_vec.size(); i++){
+        if (not oc_eeprom.has_key(keys_vec[i])){
+            std::cerr << boost::format("Cannot find value for EEPROM[\"%s\"]") % keys_vec[i] << std::endl;
+            return EXIT_FAILURE;
+        }
+        std::cout << boost::format("    EEPROM [\"%s\"] is \"%s\"") % keys_vec[i] % oc_eeprom[keys_vec[i]] << std::endl;
+    }
+    if(!vm.count("read-all")){
+        std::cout << std::endl;
+        for(size_t i = 0; i < vals_vec.size(); i++){
+            if(vals_vec[i] != ""){
+                oc_eeprom[keys_vec[i]] = vals_vec[i];
+                std::cout << boost::format("Setting EEPROM [\"%s\"] to \"%s\"...") % keys_vec[i] % vals_vec[i] << std::endl;
+            }
+        }
+        tree->access<octoclock_eeprom_t>("/mboards/0/eeprom").set(oc_eeprom);
+    }
+    std::cout << std::endl << "Power-cycle your device to allow any changes to take effect." << std::endl;
+    return EXIT_SUCCESS;
+}