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diff --git a/drivers_nrf/hal/nrf_nvmc.h b/drivers_nrf/hal/nrf_nvmc.h
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+/**
+ * Copyright (c) 2012 - 2017, 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
+ * @brief NMVC driver API.
+ */
+
+#ifndef NRF_NVMC_H__
+#define NRF_NVMC_H__
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup nrf_nvmc Non-volatile memory controller
+ * @{
+ * @ingroup nrf_drivers
+ * @brief Driver for the NVMC peripheral.
+ *
+ * This driver allows writing to the non-volatile memory (NVM) regions
+ * of the chip. In order to write to NVM the controller must be powered
+ * on and the relevant page must be erased.
+ *
+ */
+
+
+/**
+ * @brief Erase a page in flash. This is required before writing to any
+ * address in the page.
+ *
+ * @param address Start address of the page.
+ */
+void nrf_nvmc_page_erase(uint32_t address);
+
+
+/**
+ * @brief Write a single byte to flash.
+ *
+ * The function reads the word containing the byte, and then
+ * rewrites the entire word.
+ *
+ * @param address Address to write to.
+ * @param value   Value to write.
+ */
+void nrf_nvmc_write_byte(uint32_t address , uint8_t value);
+
+
+/**
+ * @brief Write a 32-bit word to flash.
+ * @param address Address to write to.
+ * @param value   Value to write.
+ */
+void nrf_nvmc_write_word(uint32_t address, uint32_t value);
+
+
+/**
+ * @brief Write consecutive bytes to flash.
+ *
+ * @param address   Address to write to.
+ * @param src       Pointer to data to copy from.
+ * @param num_bytes Number of bytes in src to write.
+ */
+void nrf_nvmc_write_bytes(uint32_t  address, const uint8_t * src, uint32_t num_bytes);
+
+
+/**
+ * @brief Write consecutive words to flash.
+ *
+ * @param address   Address to write to.
+ * @param src       Pointer to data to copy from.
+ * @param num_words Number of bytes in src to write.
+ */
+void nrf_nvmc_write_words(uint32_t address, const uint32_t * src, uint32_t num_words);
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // NRF_NVMC_H__
+/** @} */
+
+