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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.h
new file mode 100644
index 0000000..d5f9f18
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_stack_guard/nrf_stack_guard.h
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+/**
+ * Copyright (c) 2017 - 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.
+ * 
+ */
+
+#ifndef __NRF_STACK_GUARD_H__
+#define __NRF_STACK_GUARD_H__
+
+/**
+* @defgroup nrf_stack_guard Stack guard
+* @{
+* @ingroup app_common
+* @brief Functions for enabling stack violation control
+*/
+#include "sdk_config.h"
+#include "app_util.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if NRF_STACK_GUARD_ENABLED
+#define STACK_GUARD_SIZE    (1ul << NRF_STACK_GUARD_CONFIG_SIZE)
+#define STACK_GUARD_BASE    (((uint32_t)((void *)(STACK_BASE)) + STACK_GUARD_SIZE - 1) \
+                              & ~(STACK_GUARD_SIZE - 1))
+#define REAL_STACK_SIZE     (((int32_t)(STACK_TOP)) - (int32_t)(STACK_GUARD_BASE + STACK_GUARD_SIZE))
+#else /* !NRF_STACK_GUARD_ENABLED */
+#define REAL_STACK_SIZE     (((int32_t)(STACK_TOP)) - (int32_t)((void *)(STACK_BASE)))
+#endif /* NRF_STACK_GUARD_ENABLED */
+
+/**@brief Initialize Stack Guard Page */
+ret_code_t nrf_stack_guard_init(void);
+
+#if NRF_STACK_GUARD_ENABLED
+#define NRF_STACK_GUARD_INIT() nrf_stack_guard_init()
+#else
+#define NRF_STACK_GUARD_INIT() NRF_SUCCESS
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //__NRF_STACK_GUARD_H__
+/** @} */