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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/802_15_4/api/PHY/phy_plme_cca.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/802_15_4/api/PHY/phy_plme_cca.h
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+/**
+ * Copyright (c) 2016 - 2018 Nordic Semiconductor ASA and Luxoft Global Operations Gmbh.
+ * 
+ * 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.
+ * 
+ */
+#ifndef PHY_PLME_CCA_H_INCLUDED
+#define PHY_PLME_CCA_H_INCLUDED
+
+#include <stdint.h>
+#include "phy_common.h"
+
+/** @file
+ * This file contains declarations of Clear Channel Assessment PHY routines and necessary types.
+ *
+ * @defgroup phy_cca PHY CCA API
+ * @ingroup phy_15_4
+ * @{
+ * @brief Module to declare PHY Clear Channel Assessment API
+ * @details The PHY CCA module declares Clear Channel Assessment PHY routines and necessary types according to
+ * the PHY specification. More specifically, PHY CCA request plme_cca_req(), PHY CCA confirm 
+ * plme_cca_conf() primitives are declared. An additional primitive not covered by the standard is declared.
+ * This is plme_cca() which is a synchronous version of plme_cca_req().
+ */
+
+/**@brief   PLME-CCA.confirm parameters
+ *
+ * @details The PLME-CCA.confirm primitive is generated by
+ *          the initiating PLME and issued to its next higher layer
+ *          in response to an PLME-CCA.request primitive.
+ *          In accordance with IEEE Std 802.15.4-2006, section 6.2.2.2.1
+ */
+typedef struct
+{
+    /** One of PHY_TRX_OFF, PHY_BUSY or PHY_IDLE. */
+    phy_enum_t status;
+} plme_cca_conf_t;
+
+
+/**@brief   PLME-CCA.request
+ *
+ * @details Request for clear channel assessment.
+ *          In accordance with IEEE Std 802.15.4-2006, section 6.2.2.1
+ */
+void plme_cca_req(void);
+
+
+/**@brief   PLME-CCA.confirm callback function, implemented by the next higher layer.
+ *
+ * @details The PLME-CCA.confirm primitive is generated by the PLME and issued
+ *          to its next higher layer in response to an PLME-CCA.request primitive.
+ *          In accordance with IEEE Std 802.15.4-2006, section 6.2.2.2
+ *
+ * @param[out] conf    Pointer to PLME-CCA.confirm parameters
+ */
+void plme_cca_conf(plme_cca_conf_t * conf);
+
+
+/**@brief   Direct (synchronous) PLME-CCA.request
+ *
+ * @details Optional. Not covered by a standard.
+ *
+ * @return  One of PHY_TRX_OFF, PHY_BUSY or PHY_IDLE,
+ *          or implementation defined error code in case of
+ *          unavailability of access to system resources.
+ */
+phy_enum_t plme_cca(void);
+
+/** @} */
+
+#endif // PHY_PLME_CCA_H_INCLUDED