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diff --git a/drivers_nrf/app_error.h b/drivers_nrf/app_error.h
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+/**
+ * Copyright (c) 2013 - 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
+ *
+ * @defgroup app_error Common application error handler
+ * @{
+ * @ingroup app_common
+ *
+ * @brief Common application error handler and macros for utilizing a common error handler.
+ */
+
+#ifndef APP_ERROR_H__
+#define APP_ERROR_H__
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include "nrf.h"
+#include "sdk_errors.h"
+#include "nordic_common.h"
+#include "app_error_weak.h"
+#ifdef ANT_STACK_SUPPORT_REQD
+#include "ant_error.h"
+#endif // ANT_STACK_SUPPORT_REQD
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define NRF_FAULT_ID_SDK_RANGE_START 0x00004000 /**< The start of the range of error IDs defined in the SDK. */
+
+/**@defgroup APP_ERROR_FAULT_IDS Fault ID types
+ * @{ */
+#define NRF_FAULT_ID_SDK_ERROR       NRF_FAULT_ID_SDK_RANGE_START + 1 /**< An error stemming from a call to @ref APP_ERROR_CHECK or @ref APP_ERROR_CHECK_BOOL. The info parameter is a pointer to an @ref error_info_t variable. */
+#define NRF_FAULT_ID_SDK_ASSERT      NRF_FAULT_ID_SDK_RANGE_START + 2 /**< An error stemming from a call to ASSERT (nrf_assert.h). The info parameter is a pointer to an @ref assert_info_t variable. */
+/**@} */
+
+/**@brief Structure containing info about an error of the type @ref NRF_FAULT_ID_SDK_ERROR.
+ */
+typedef struct
+{
+    uint16_t        line_num;    /**< The line number where the error occurred. */
+    uint8_t const * p_file_name; /**< The file in which the error occurred. */
+    uint32_t        err_code;    /**< The error code representing the error that occurred. */
+} error_info_t;
+
+/**@brief Structure containing info about an error of the type @ref NRF_FAULT_ID_SDK_ASSERT.
+ */
+typedef struct
+{
+    uint16_t        line_num;    /**< The line number where the error occurred. */
+    uint8_t const * p_file_name; /**< The file in which the error occurred. */
+} assert_info_t;
+
+/**@brief Function for error handling, which is called when an error has occurred.
+ *
+ * @param[in] error_code  Error code supplied to the handler.
+ * @param[in] line_num    Line number where the handler is called.
+ * @param[in] p_file_name Pointer to the file name.
+ */
+void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name);
+
+/**@brief Function for error handling, which is called when an error has occurred.
+ *
+ * @param[in] error_code  Error code supplied to the handler.
+ */
+void app_error_handler_bare(ret_code_t error_code);
+
+/**@brief       Function for saving the parameters and entering an eternal loop, for debug purposes.
+ *
+ * @param[in] id    Fault identifier. See @ref NRF_FAULT_IDS.
+ * @param[in] pc    The program counter of the instruction that triggered the fault, or 0 if
+ *                  unavailable.
+ * @param[in] info  Optional additional information regarding the fault. Refer to each fault
+ *                  identifier for details.
+ */
+void app_error_save_and_stop(uint32_t id, uint32_t pc, uint32_t info);
+
+/**@brief       Function for printing all error info (using nrf_log).
+ *
+ * @details     Nrf_log library must be initialized using NRF_LOG_INIT macro before calling
+ *              this function.
+ *
+ * @param[in] id    Fault identifier. See @ref NRF_FAULT_IDS.
+ * @param[in] pc    The program counter of the instruction that triggered the fault, or 0 if
+ *                  unavailable.
+ * @param[in] info  Optional additional information regarding the fault. Refer to each fault
+ *                  identifier for details.
+ */
+static __INLINE void app_error_log(uint32_t id, uint32_t pc, uint32_t info)
+{
+    switch (id)
+    {
+        case NRF_FAULT_ID_SDK_ASSERT:
+            //NRF_LOG_INFO(NRF_LOG_COLOR_RED "\r\n*** ASSERTION FAILED ***\r\n");
+            if (((assert_info_t *)(info))->p_file_name)
+            {
+               // NRF_LOG_INFO(NRF_LOG_COLOR_WHITE "Line Number: %u\r\n", (unsigned int) ((assert_info_t *)(info))->line_num);
+                //NRF_LOG_INFO("File Name:   %s\r\n", ((assert_info_t *)(info))->p_file_name);
+            }
+            //NRF_LOG_INFO(NRF_LOG_COLOR_DEFAULT "\r\n");
+            break;
+
+        case NRF_FAULT_ID_SDK_ERROR:
+            //NRF_LOG_INFO(NRF_LOG_COLOR_RED "\r\n*** APPLICATION ERROR *** \r\n" NRF_LOG_COLOR_WHITE);
+            if (((error_info_t *)(info))->p_file_name)
+            {
+                //NRF_LOG_INFO("Line Number: %u\r\n", (unsigned int) ((error_info_t *)(info))->line_num);
+                //NRF_LOG_INFO("File Name:   %s\r\n", ((error_info_t *)(info))->p_file_name);
+            }
+            //NRF_LOG_INFO("Error Code:  0x%X\r\n" NRF_LOG_COLOR_DEFAULT "\r\n", (unsigned int) ((error_info_t *)(info))->err_code);
+            break;
+    }
+}
+
+/**@brief       Function for printing all error info (using printf).
+ *
+ * @param[in] id    Fault identifier. See @ref NRF_FAULT_IDS.
+ * @param[in] pc    The program counter of the instruction that triggered the fault, or 0 if
+ *                  unavailable.
+ * @param[in] info  Optional additional information regarding the fault. Refer to each fault
+ *                  identifier for details.
+ */
+//lint -save -e438
+static __INLINE void app_error_print(uint32_t id, uint32_t pc, uint32_t info)
+{
+    unsigned int tmp = id;
+    printf("app_error_print():\r\n");
+    printf("Fault identifier:  0x%X\r\n", tmp);
+    printf("Program counter:   0x%X\r\n", tmp = pc);
+    printf("Fault information: 0x%X\r\n", tmp = info);
+
+    switch (id)
+    {
+        case NRF_FAULT_ID_SDK_ASSERT:
+            printf("Line Number: %u\r\n", tmp = ((assert_info_t *)(info))->line_num);
+            printf("File Name:   %s\r\n",       ((assert_info_t *)(info))->p_file_name);
+            break;
+
+        case NRF_FAULT_ID_SDK_ERROR:
+            printf("Line Number: %u\r\n",   tmp = ((error_info_t *)(info))->line_num);
+            printf("File Name:   %s\r\n",         ((error_info_t *)(info))->p_file_name);
+            printf("Error Code:  0x%X\r\n", tmp = ((error_info_t *)(info))->err_code);
+            break;
+    }
+}
+//lint -restore
+
+
+/**@brief Macro for calling error handler function.
+ *
+ * @param[in] ERR_CODE Error code supplied to the error handler.
+ */
+#ifdef DEBUG
+#define APP_ERROR_HANDLER(ERR_CODE)                                    \
+    do                                                                 \
+    {                                                                  \
+        app_error_handler((ERR_CODE), __LINE__, (uint8_t*) __FILE__);  \
+    } while (0)
+#else
+#define APP_ERROR_HANDLER(ERR_CODE)                                    \
+    do                                                                 \
+    {                                                                  \
+        app_error_handler_bare((ERR_CODE));                            \
+    } while (0)
+#endif
+/**@brief Macro for calling error handler function if supplied error code any other than NRF_SUCCESS.
+ *
+ * @param[in] ERR_CODE Error code supplied to the error handler.
+ */
+#define APP_ERROR_CHECK(ERR_CODE)                           \
+    do                                                      \
+    {                                                       \
+        const uint32_t LOCAL_ERR_CODE = (ERR_CODE);         \
+        if (LOCAL_ERR_CODE != NRF_SUCCESS)                  \
+        {                                                   \
+            APP_ERROR_HANDLER(LOCAL_ERR_CODE);              \
+        }                                                   \
+    } while (0)
+
+/**@brief Macro for calling error handler function if supplied boolean value is false.
+ *
+ * @param[in] BOOLEAN_VALUE Boolean value to be evaluated.
+ */
+#define APP_ERROR_CHECK_BOOL(BOOLEAN_VALUE)                   \
+    do                                                        \
+    {                                                         \
+        const uint32_t LOCAL_BOOLEAN_VALUE = (BOOLEAN_VALUE); \
+        if (!LOCAL_BOOLEAN_VALUE)                             \
+        {                                                     \
+            APP_ERROR_HANDLER(0);                             \
+        }                                                     \
+    } while (0)
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // APP_ERROR_H__
+
+/** @} */