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+/**
+ * Copyright (c) 2016 - 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 ble_dtm_hw Direct Test Mode HW
+ * @{
+ * @ingroup ble_sdk_lib
+ * @brief Module contains hardware related function for testing RF/PHY using DTM commands.
+ */
+
+#ifndef BLE_DTM_HW_H__
+#define BLE_DTM_HW_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "nrf.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**@brief Function for selecting a timer resource.
+ * This function may be called directly, or through dtm_cmd() specifying
+ * DTM_PKT_VENDORSPECIFIC as payload, SELECT_TIMER as length, and the timer as freq
+ *
+ * @param[out] mp_timer Pointer to timer instance used in dtm source file.
+ * @param[out] m_timer_irq Pointer to timer interrupt related to mp_timer.
+ * @param[in] new_timer Timer id for the timer to use.
+ *
+ * @retval true if the timer was successfully changed.
+ * @retval false if the error occurs.
+ */
+
+bool dtm_hw_set_timer(NRF_TIMER_Type ** mp_timer, IRQn_Type * m_timer_irq, uint32_t new_timer);
+
+
+/**@brief Function for turning off radio test.
+ * This function is platform depending. For now only nRF51 requieres this special function.
+ */
+void dtm_turn_off_test(void);
+
+
+/**@brief Function for setting constant carrier in radio settings.
+ * This function is used to handle vendor specific command testing continous carrier without
+ * a modulated signal.
+ */
+void dtm_constant_carrier(void);
+
+
+/**@brief Function for validating tx power and radio move settings.
+ * @param[in] m_tx_power TX power for transmission test.
+ * @param[in] m_radio_mode Radio mode value.
+ *
+ * @retval DTM_SUCCESS if input parameters values are correct.
+ * @retval DTM_ERROR_ILLEGAL_CONFIGURATION if input parameters values are not correct.
+ */
+uint32_t dtm_radio_validate(int32_t m_tx_power, uint8_t m_radio_mode);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // BLE_DTM_HW_H__
+
+/** @} */