From a958015fcd19f8374dc2016df471641fcdf7c158 Mon Sep 17 00:00:00 2001
From: Josh Morman <mormjb@gmail.com>
Date: Thu, 23 Apr 2020 10:35:45 -0400
Subject: fft: add pybind11 bindings
---
gr-fft/python/fft/bindings/python_bindings.cc | 54 +++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 gr-fft/python/fft/bindings/python_bindings.cc
(limited to 'gr-fft/python/fft/bindings/python_bindings.cc')
diff --git a/gr-fft/python/fft/bindings/python_bindings.cc b/gr-fft/python/fft/bindings/python_bindings.cc
new file mode 100644
index 0000000000..a1c191ed3d
--- /dev/null
+++ b/gr-fft/python/fft/bindings/python_bindings.cc
@@ -0,0 +1,54 @@
+
+/*
+ * Copyright 2020 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include <pybind11/pybind11.h>
+
+#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
+#include <numpy/arrayobject.h>
+
+namespace py = pybind11;
+
+// void bind_ctrlport_probe_psd(py::module&);
+void bind_fft(py::module&);
+void bind_fft_shift(py::module&);
+void bind_fft_vcc(py::module&);
+void bind_fft_vfc(py::module&);
+void bind_goertzel(py::module&);
+void bind_goertzel_fc(py::module&);
+void bind_window(py::module&);
+
+// We need this hack because import_array() returns NULL
+// for newer Python versions.
+// This function is also necessary because it ensures access to the C API
+// and removes a warning.
+void* init_numpy()
+{
+ import_array();
+ return NULL;
+}
+
+PYBIND11_MODULE(fft_python, m)
+{
+ // Initialize the numpy C API
+ // (otherwise we will see segmentation faults)
+ init_numpy();
+
+ // Allow access to base block methods
+ py::module::import("gnuradio.gr");
+
+ // bind_ctrlport_probe_psd(m);
+ bind_fft(m);
+ bind_fft_shift(m);
+ bind_fft_vcc(m);
+ bind_fft_vfc(m);
+ bind_goertzel(m);
+ bind_goertzel_fc(m);
+ bind_window(m);
+}
--
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