From 1e016e49e82c430197a90a018fbc7613cc654088 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Tue, 3 Mar 2020 16:07:42 -0800
Subject: uhd: Add calibration container class

This adds uhd::usrp::cal::container, which serves as a base class for
calibration data.
It also provides the interp_mode enum class which can be useful for
future calibration classes.
---
 host/include/uhd/cal/CMakeLists.txt    |  2 ++
 host/include/uhd/cal/container.hpp     | 50 ++++++++++++++++++++++++++++++++++
 host/include/uhd/cal/interpolation.hpp | 16 +++++++++++
 3 files changed, 68 insertions(+)
 create mode 100644 host/include/uhd/cal/container.hpp
 create mode 100644 host/include/uhd/cal/interpolation.hpp

(limited to 'host')

diff --git a/host/include/uhd/cal/CMakeLists.txt b/host/include/uhd/cal/CMakeLists.txt
index 6c8355fec..b3f724d2e 100644
--- a/host/include/uhd/cal/CMakeLists.txt
+++ b/host/include/uhd/cal/CMakeLists.txt
@@ -6,6 +6,8 @@
 
 UHD_INSTALL(FILES
     database.hpp
+    container.hpp
+    interpolation.hpp
     DESTINATION ${INCLUDE_DIR}/uhd/cal
     COMPONENT headers
 )
diff --git a/host/include/uhd/cal/container.hpp b/host/include/uhd/cal/container.hpp
new file mode 100644
index 000000000..c3035c610
--- /dev/null
+++ b/host/include/uhd/cal/container.hpp
@@ -0,0 +1,50 @@
+//
+// Copyright 2020 Ettus Research, a National Instruments Brand
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#ifndef INCLUDED_LIBUHD_CAL_CONTAINER_HPP
+#define INCLUDED_LIBUHD_CAL_CONTAINER_HPP
+
+#include <uhd/config.hpp>
+#include <stdint.h>
+#include <memory>
+#include <vector>
+#include <string>
+
+namespace uhd { namespace usrp { namespace cal {
+
+/*! Generic parent class for calibration data
+ *
+ * Derive any class that stores cal data which needs to be stored/retrieved from
+ * this parent class.
+ */
+class UHD_API container
+{
+public:
+    virtual ~container() = default;
+
+    //! Return a serialized version of this container
+    virtual std::vector<uint8_t> serialize() = 0;
+
+    //! Populate this class from the serialized data
+    virtual void deserialize(const std::vector<uint8_t>& data) = 0;
+
+    //! Generic factory for cal data from serialized data
+    //
+    // \tparam container_type The class type of cal data which should be
+    //                        generated from \p data
+    // \param data The serialized data to be turned into the cal class
+    template <typename container_type>
+    static std::shared_ptr<container_type> make(const std::vector<uint8_t>& data)
+    {
+        auto cal_data = container_type::make();
+        cal_data->deserialize(data);
+        return cal_data;
+    }
+};
+
+}}} // namespace uhd::usrp::cal
+
+#endif /* INCLUDED_LIBUHD_CAL_CONTAINER_HPP */
diff --git a/host/include/uhd/cal/interpolation.hpp b/host/include/uhd/cal/interpolation.hpp
new file mode 100644
index 000000000..5cdbcfa54
--- /dev/null
+++ b/host/include/uhd/cal/interpolation.hpp
@@ -0,0 +1,16 @@
+//
+// Copyright 2020 Ettus Research, a National Instruments Brand
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#ifndef INCLUDED_LIBUHD_CAL_INTERP_HPP
+#define INCLUDED_LIBUHD_CAL_INTERP_HPP
+
+namespace uhd { namespace usrp { namespace cal {
+
+enum class interp_mode { NEAREST_NEIGHBOR, LINEAR };
+
+}}} // namespace uhd::usrp::cal
+
+#endif /* INCLUDED_LIBUHD_CAL_INTERP_HPP */
-- 
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