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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crc32/crc32.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crc32/crc32.h
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+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crc32/crc32.h
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+/**
+ * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ * 
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ * 
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ * 
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+/** @file
+ *
+ * @defgroup crc32 CRC32 compute
+ * @{
+ * @ingroup hci_transport
+ *
+ * @brief    This module implements the CRC-32 calculation in the blocks.
+ */
+
+#ifndef CRC32_H__
+#define CRC32_H__
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**@brief Function for calculating CRC-32 in blocks.
+ *
+ * Feed each consecutive data block into this function, along with the current value of p_crc as
+ * returned by the previous call of this function. The first call of this function should pass NULL
+ * as the initial value of the crc in p_crc.
+ *
+ * @param[in] p_data The input data block for computation.
+ * @param[in] size   The size of the input data block in bytes.
+ * @param[in] p_crc  The previous calculated CRC-32 value or NULL if first call.
+ *
+ * @return The updated CRC-32 value, based on the input supplied.
+ */
+uint32_t crc32_compute(uint8_t const * p_data, uint32_t size, uint32_t const * p_crc);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // CRC32_H__
+
+/** @} */