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diff --git a/Radio/HW/BladeRF/src/expansion/xb200.h b/Radio/HW/BladeRF/src/expansion/xb200.h
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+++ b/Radio/HW/BladeRF/src/expansion/xb200.h
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+/**
+ * @file xb.h
+ *
+ * @brief XB-200 support
+ *
+ * This file is part of the bladeRF project:
+ *   http://www.github.com/nuand/bladeRF
+ *
+ * Copyright (C) 2014 Nuand LLC
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef EXPANSION_XB200_H_
+#define EXPANSION_XB200_H_
+
+#include <stdbool.h>
+
+#include <libbladeRF.h>
+
+#include "board/board.h"
+
+int xb200_attach(struct bladerf *dev);
+void xb200_detach(struct bladerf *dev);
+int xb200_enable(struct bladerf *dev, bool enable);
+int xb200_init(struct bladerf *dev);
+
+/**
+ * Select an XB-200 filterbank
+ *
+ * @param       dev     Device handle
+ * @param[in]   ch      Channel
+ * @param[in]   filter  XB200 filterbank
+ *
+ * @return 0 on success, BLADERF_ERR_* value on failure
+ */
+int xb200_set_filterbank(struct bladerf *dev,
+                         bladerf_channel ch,
+                         bladerf_xb200_filter filter);
+
+/**
+ * Select an appropriate filterbank, based upon the specified frequency
+ *
+ * @param       dev         Device handle
+ * @param[in]   ch          Channel
+ * @param[in]   frequency   Frequency
+ *
+ * @return 0 on success, BLADERF_ERR_* value on failure
+ */
+int xb200_auto_filter_selection(struct bladerf *dev,
+                                bladerf_channel ch,
+                                uint64_t frequency);
+
+/**
+ * Get the current selected XB-200 filterbank
+ *
+ * @param       dev        Device handle
+ * @param[in]   ch         Channel
+ * @param[out]  filter     Pointer to filterbank, only updated if return value
+ *                          is 0.
+ *
+ * @return 0 on success, BLADERF_ERR_* value on failure
+ */
+int xb200_get_filterbank(struct bladerf *dev,
+                         bladerf_channel ch,
+                         bladerf_xb200_filter *filter);
+/**
+ * Configure the XB-200 signal path
+ *
+ * @param       dev         Device handle
+ * @param[in]   ch          Channel
+ * @param[in]   path        Desired XB-200 signal path
+ *
+ * @return 0 on success, BLADERF_ERR_* value on failure
+ */
+int xb200_set_path(struct bladerf *dev,
+                   bladerf_channel ch,
+                   bladerf_xb200_path path);
+
+/**
+ * Get the current XB-200 signal path
+ *
+ * @param       dev         Device handle
+ * @param[in]   ch          Channel
+ * @param[out]  path        Pointer to XB200 signal path
+ *
+ * @return 0 on success, value from \ref RETCODES list on failure
+ */
+int xb200_get_path(struct bladerf *dev,
+                   bladerf_channel ch,
+                   bladerf_xb200_path *path);
+
+#endif