usrp: basically working iq cal on tx

3 files changed, 80 insertions, 0 deletions

diff --git a/host/lib/utils/CMakeLists.txt b/host/lib/utils/CMakeLists.txt
index 19dde9a56..b50e91299 100644
--- a/host/lib/utils/CMakeLists.txt
+++ b/host/lib/utils/CMakeLists.txt
@@ -128,6 +128,7 @@ SET_SOURCE_FILES_PROPERTIES(
 # Append sources
 ########################################################################
 LIBUHD_APPEND_SOURCES(
+    ${CMAKE_CURRENT_SOURCE_DIR}/csv.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/gain_group.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/images.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/load_modules.cpp
diff --git a/host/lib/utils/csv.cpp b/host/lib/utils/csv.cpp
new file mode 100644
index 000000000..2ffa70196
--- /dev/null
+++ b/host/lib/utils/csv.cpp
@@ -0,0 +1,52 @@
+//
+// Copyright 2011 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/csv.hpp>
+#include <boost/foreach.hpp>
+
+using namespace uhd;
+
+csv::rows_type csv::to_rows(std::istream &input){
+    csv::rows_type rows;
+    std::string line;
+    //for each line in the input stream
+    while (std::getline(input, line)){
+        csv::row_type row(1, "");
+        bool in_quote = false;
+        char last_ch, next_ch = ' ';
+        //for each character in the line
+        BOOST_FOREACH(char ch, line){
+            last_ch = next_ch;
+            next_ch = ch;
+            //catch a quote character and change the state
+            //we handle double quotes by checking last_ch
+            if (ch == '"'){
+                in_quote = not in_quote;
+                if (last_ch != '"') continue;
+            }
+            //a comma not inside quotes is a column delimiter
+            if (not in_quote and ch == ','){
+                row.push_back("");
+                continue;
+            }
+            //if we got here we record the character
+            row.back() += ch;
+        }
+        rows.push_back(row);
+    }
+    return rows;
+}
diff --git a/host/lib/utils/paths.cpp b/host/lib/utils/paths.cpp
index a3dd377e5..4fc877d5d 100644
--- a/host/lib/utils/paths.cpp
+++ b/host/lib/utils/paths.cpp
@@ -16,6 +16,7 @@
 //
 
 #include <uhd/config.hpp>
+#include <uhd/utils/paths.hpp>
 #include <boost/tokenizer.hpp>
 #include <boost/filesystem.hpp>
 #include <boost/foreach.hpp>
@@ -23,6 +24,8 @@
 #include <cstdlib>
 #include <string>
 #include <vector>
+#include <cstdlib> //getenv
+#include <cstdio>  //P_tmpdir
 
 namespace fs = boost::filesystem;
 
@@ -79,3 +82,27 @@ std::vector<fs::path> get_module_paths(void){
     paths.push_back(get_uhd_pkg_data_path() / "modules");
     return paths;
 }
+
+/***********************************************************************
+ * Implement the functions in paths.hpp
+ **********************************************************************/
+std::string uhd::get_tmp_path(void){
+    const char *tmp_path = std::getenv("TMP");
+    if (tmp_path != NULL) return tmp_path;
+
+    #ifdef P_tmpdir
+    if (P_tmpdir != NULL) return P_tmpdir;
+    #endif
+
+    return "/tmp";
+}
+
+std::string uhd::get_app_path(void){
+    const char *appdata_path = std::getenv("APPDATA");
+    if (appdata_path != NULL) return appdata_path;
+
+    const char *home_path = std::getenv("HOME");
+    if (home_path != NULL) return home_path;
+
+    return uhd::get_tmp_path();
+}