mpm: add device-specific Boost.Python bindings

Separating Boost.Python bindings into device-specific files. N3XX code
now lives in n3xx/pyusrp_periphs. Only one src file should be added for
pyusrp_periphs.so by CMake.

1 files changed, 64 insertions, 0 deletions

diff --git a/mpm/python/pyusrp_periphs/n3xx/pyusrp_periphs.cpp b/mpm/python/pyusrp_periphs/n3xx/pyusrp_periphs.cpp
new file mode 100644
index 000000000..048ca6a44
--- /dev/null
+++ b/mpm/python/pyusrp_periphs/n3xx/pyusrp_periphs.cpp
@@ -0,0 +1,64 @@
+//
+// Copyright 2017 Ettus Research, a National Instruments Company
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+// include hackery to only include boost python and define the macro here
+#include <boost/python.hpp>
+#define LIBMPM_PYTHON
+#define LIBMPM_BOOST_PREAMBLE(module)  \
+    /* Register submodule types */      \
+    namespace bp = boost::python; \
+    bp::object py_module(bp::handle<>(bp::borrowed(PyImport_AddModule("libpyusrp_periphs." module)))); \
+    bp::scope().attr(module) = py_module; \
+    bp::scope io_scope = py_module;
+
+//! RAII-style GIL release method
+//
+// To release the GIL using this method, simply instantiate this class in the
+// scope that needs to release the GIL.
+//
+// Note that using this class assumes that threads have already been
+// initialized. See also https://docs.python.org/3.5/c-api/init.html for more
+// documentation on Python initialization and threads.
+class scoped_gil_release
+{
+public:
+    inline scoped_gil_release()
+    {
+        _thread_state = PyEval_SaveThread();
+    }
+
+    inline ~scoped_gil_release()
+    {
+        PyEval_RestoreThread(_thread_state);
+        _thread_state = nullptr;
+    }
+
+private:
+    PyThreadState* _thread_state;
+};
+
+//#include "types.hpp"
+#include "../converters.hpp"
+#include <mpm/xbar_iface.hpp>
+#include <mpm/types/types_python.hpp>
+#include <mpm/spi/spi_python.hpp>
+#include <mpm/ad937x/ad937x_ctrl.hpp>
+#include <mpm/dboards/magnesium_manager.hpp>
+#include <boost/noncopyable.hpp>
+
+namespace bp = boost::python;
+
+BOOST_PYTHON_MODULE(libpyusrp_periphs)
+{
+    bp::object package = bp::scope();
+    package.attr("__path__") = "libpyusrp_periphs";
+    export_converter();
+    export_types();
+    export_spi();
+    export_mykonos();
+    export_xbar();
+    export_magnesium();
+}