From c81a975766a8831cab1e3123af94b4fe4a09d9bc Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Tue, 30 Mar 2010 14:12:11 +0000
Subject: compiling with master merge, renamed usrp1e to usrp_e
---
host/lib/usrp/usrp_e/usrp_e_impl.cpp | 179 +++++++++++++++++++++++++++++++++++
1 file changed, 179 insertions(+)
create mode 100644 host/lib/usrp/usrp_e/usrp_e_impl.cpp
(limited to 'host/lib/usrp/usrp_e/usrp_e_impl.cpp')
diff --git a/host/lib/usrp/usrp_e/usrp_e_impl.cpp b/host/lib/usrp/usrp_e/usrp_e_impl.cpp
new file mode 100644
index 000000000..e821add8c
--- /dev/null
+++ b/host/lib/usrp/usrp_e/usrp_e_impl.cpp
@@ -0,0 +1,179 @@
+//
+// 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 "usrp_e_impl.hpp"
+#include <uhd/utils/assert.hpp>
+#include <uhd/utils/static.hpp>
+#include <boost/format.hpp>
+#include <boost/filesystem.hpp>
+#include <fcntl.h> //open
+#include <sys/ioctl.h> //ioctl
+
+using namespace uhd;
+using namespace uhd::usrp;
+namespace fs = boost::filesystem;
+
+UHD_STATIC_BLOCK(register_usrp_e_device){
+ device::register_device(&usrp_e::find, &usrp_e::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 usrp_e::find(const device_addr_t &device_addr){
+ device_addrs_t usrp_e_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 usrp_e_addrs;
+ device_addr_t new_addr;
+ new_addr["name"] = "USRP-E";
+ new_addr["node"] = abs_path(device_addr["node"]);
+ usrp_e_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"] = "USRP-E";
+ new_addr["node"] = abs_path(node);
+ usrp_e_addrs.push_back(new_addr);
+ }
+ }
+
+ return usrp_e_addrs;
+}
+
+/***********************************************************************
+ * Make
+ **********************************************************************/
+device::sptr usrp_e::make(const device_addr_t &device_addr){
+ return sptr(new usrp_e_impl(device_addr["node"]));
+}
+
+/***********************************************************************
+ * Structors
+ **********************************************************************/
+usrp_e_impl::usrp_e_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();
+}
+
+usrp_e_impl::~usrp_e_impl(void){
+ //close the device node file descriptor
+ ::close(_node_fd);
+}
+
+/***********************************************************************
+ * Misc Methods
+ **********************************************************************/
+void usrp_e_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 usrp_e_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("usrp-e 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 usrp_e_impl::set(const wax::obj &, const wax::obj &){
+ throw std::runtime_error("Cannot set in usrp-e device");
+}
+
+/***********************************************************************
+ * Device IO (TODO)
+ **********************************************************************/
+size_t usrp_e_impl::send(
+ const boost::asio::const_buffer &,
+ const uhd::tx_metadata_t &,
+ const io_type_t &
+){
+ if (true){
+ throw std::runtime_error(str(boost::format("usrp-e send: cannot handle type \"%s\"") % ""));
+ }
+ return 0;
+}
+
+size_t usrp_e_impl::recv(
+ const boost::asio::mutable_buffer &,
+ uhd::rx_metadata_t &,
+ const io_type_t &
+){
+ if (true){
+ throw std::runtime_error(str(boost::format("usrp-e recv: cannot handle type \"%s\"") % ""));
+ }
+ return 0;
+}
--
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