Merge branch 'u1e_uhd' of git@ettus.sourcerepo.com:ettus/uhd into u1e_uhd

1 files changed, 178 insertions, 0 deletions

diff --git a/host/lib/usrp/usrp1e/usrp1e_impl.cpp b/host/lib/usrp/usrp1e/usrp1e_impl.cpp
new file mode 100644
index 000000000..8230cc8e4
--- /dev/null
+++ b/host/lib/usrp/usrp1e/usrp1e_impl.cpp
@@ -0,0 +1,178 @@
+//
+// Copyright 2010 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/utils.hpp>
+#include <boost/format.hpp>
+#include <boost/filesystem.hpp>
+#include "usrp1e_impl.hpp"
+#include <fcntl.h> //open
+#include <sys/ioctl.h> //ioctl
+
+using namespace uhd;
+using namespace uhd::usrp;
+namespace fs = boost::filesystem;
+
+STATIC_BLOCK(register_usrp1e_device){
+    device::register_device(&usrp1e::discover, &usrp1e::make);
+}
+
+/***********************************************************************
+ * Helper Functions
+ **********************************************************************/
+static std::string abs_path(const std::string &file_path){
+    return fs::system_complete(fs::path(file_path)).file_string();
+}
+
+/***********************************************************************
+ * Discovery
+ **********************************************************************/
+device_addrs_t usrp1e::discover(const device_addr_t &device_addr){
+    device_addrs_t usrp1e_addrs;
+
+    //if a node was provided, use it and only it
+    if (device_addr.has_key("node")){
+        if (not fs::exists(device_addr["node"])) return usrp1e_addrs;
+        device_addr_t new_addr;
+        new_addr["name"] = "USRP1E";
+        new_addr["node"] = abs_path(device_addr["node"]);
+        usrp1e_addrs.push_back(new_addr);
+    }
+
+    //otherwise look for a few nodes at small indexes
+    else{
+        for(size_t i = 0; i < 5; i++){
+            std::string node = str(boost::format("/dev/usrp1_e%d") % i);
+            if (not fs::exists(node)) continue;
+            device_addr_t new_addr;
+            new_addr["name"] = "USRP1E";
+            new_addr["node"] = abs_path(node);
+            usrp1e_addrs.push_back(new_addr);
+        }
+    }
+
+    return usrp1e_addrs;
+}
+
+/***********************************************************************
+ * Make
+ **********************************************************************/
+device::sptr usrp1e::make(const device_addr_t &device_addr){
+    return sptr(new usrp1e_impl(device_addr["node"]));
+}
+
+/***********************************************************************
+ * Structors
+ **********************************************************************/
+usrp1e_impl::usrp1e_impl(const std::string &node){
+    //open the device node and check file descriptor
+    if ((_node_fd = ::open(node.c_str(), O_RDWR)) < 0){
+        throw std::runtime_error(str(
+            boost::format("Failed to open %s") % node
+        ));
+    }
+
+    //initialize the mboard
+    mboard_init();
+
+    //initialize the dboards
+    dboard_init();
+
+    //initialize the dsps
+    rx_ddc_init();
+    tx_duc_init();
+}
+
+usrp1e_impl::~usrp1e_impl(void){
+    //close the device node file descriptor
+    ::close(_node_fd);
+}
+
+/***********************************************************************
+ * Misc Methods
+ **********************************************************************/
+void usrp1e_impl::ioctl(int request, void *mem){
+    if (::ioctl(_node_fd, request, mem) < 0){
+        throw std::runtime_error(str(
+            boost::format("ioctl failed with request %d") % request
+        ));
+    }
+}
+
+/***********************************************************************
+ * Device Get
+ **********************************************************************/
+void usrp1e_impl::get(const wax::obj &key_, wax::obj &val){
+    wax::obj key; std::string name;
+    boost::tie(key, name) = extract_named_prop(key_);
+
+    //handle the get request conditioned on the key
+    switch(key.as<device_prop_t>()){
+    case DEVICE_PROP_NAME:
+        val = std::string("usrp1e device");
+        return;
+
+    case DEVICE_PROP_MBOARD:
+        ASSERT_THROW(name == "");
+        val = _mboard_proxy->get_link();
+        return;
+
+    case DEVICE_PROP_MBOARD_NAMES:
+        val = prop_names_t(1, ""); //vector of size 1 with empty string
+        return;
+
+    case DEVICE_PROP_MAX_RX_SAMPLES:
+        val = size_t(_max_num_samples);
+        return;
+
+    case DEVICE_PROP_MAX_TX_SAMPLES:
+        val = size_t(_max_num_samples);
+        return;
+
+    }
+}
+
+/***********************************************************************
+ * Device Set
+ **********************************************************************/
+void usrp1e_impl::set(const wax::obj &, const wax::obj &){
+    throw std::runtime_error("Cannot set in usrp1e device");
+}
+
+/***********************************************************************
+ * Device IO (TODO)
+ **********************************************************************/
+size_t usrp1e_impl::send(
+    const boost::asio::const_buffer &,
+    const uhd::tx_metadata_t &,
+    const std::string &type
+){
+    if (type != "16sc"){
+        throw std::runtime_error(str(boost::format("usrp1e send: cannot handle type \"%s\"") % type));
+    }
+    return 0;
+}
+
+size_t usrp1e_impl::recv(
+    const boost::asio::mutable_buffer &,
+    uhd::rx_metadata_t &,
+    const std::string &type
+){
+    if (type != "16sc"){
+        throw std::runtime_error(str(boost::format("usrp1e recv: cannot handle type \"%s\"") % type));
+    }
+    return 0;
+}