o Initial import.HEADmaster

9 files changed, 976 insertions, 0 deletions

diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault.h
new file mode 100644
index 0000000..2333623
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault.h
@@ -0,0 +1,96 @@
+/**
+ * Copyright (c) 2015 - 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 HARDFAULT_H__
+#define HARDFAULT_H__
+#include <stdint.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/**
+ * @defgroup hardfault_default HardFault exception
+ * @{
+ * @brief Default HardFault exception implementation.
+ * @ingroup app_common
+ */
+
+/**
+ * @brief Contents of the stack.
+ *
+ * This structure is used to re-create the stack layout after a HardFault exception was raised.
+ */
+typedef struct HardFault_stack
+{
+    uint32_t r0;  ///< R0 register.
+    uint32_t r1;  ///< R1 register.
+    uint32_t r2;  ///< R2 register.
+    uint32_t r3;  ///< R3 register.
+    uint32_t r12; ///< R12 register.
+    uint32_t lr;  ///< Link register.
+    uint32_t pc;  ///< Program counter.
+    uint32_t psr; ///< Program status register.
+} HardFault_stack_t;
+
+/**
+ * @brief Function for processing HardFault exceptions.
+ *
+ * An application that needs to process HardFault exceptions should provide an implementation of this function.
+ * It will be called from the HardFault handler.
+ * If no implementation is provided, the library uses a default one, which just restarts the MCU.
+ *
+ * @note If the DEBUG_NRF macro is defined, the software breakpoint is set just before the call
+ *       to this function.
+ *
+ * @param p_stack Pointer to the stack bottom.
+ *                This pointer might be NULL if the HardFault was called when the main stack was
+ *                the active stack and a stack overrun is detected.
+ *                In such a situation, the stack pointer is reinitialized to the default position,
+ *                and the stack content is lost.
+ */
+void HardFault_process(HardFault_stack_t * p_stack);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HARDFAULT_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_genhf.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_genhf.h
new file mode 100644
index 0000000..37e3183
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_genhf.h
@@ -0,0 +1,165 @@
+/**
+ * Copyright (c) 2015 - 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 HARDFAULT_GENHF_H__
+#define HARDFAULT_GENHF_H__
+
+#include "compiler_abstraction.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/**
+ * @defgroup hardfault_genhf Generating HardFaults for testing
+ * @{
+ * @brief Macros and functions used to generate a HardFault in a selected place.
+ * @ingroup hardfault_default
+ *
+ * This functionality is meant to be used while testing the @ref hardfault_default library functionality.
+ */
+
+/**
+ * @brief Function for generating an invalid function pointer HardFault.
+ *
+ * Function tries to jump into illegal address.
+ */
+static inline void hardfault_genhf_invalid_fp(void);
+
+/**
+ * @brief Function for generating an undefined instruction HardFault.
+ *
+ * This function places the value in the code area that is not the legal instruction.
+ */
+static inline void hardfault_genhf_undefined_instr(void);
+
+/**
+ * @brief Function for generating an unaligned LDM access HardFault.
+ *
+ * This function generates fault exception loading values from an unaligned address.
+ */
+static inline void hardfault_genhf_ldm_align(void);
+
+#if defined( __CC_ARM   )
+
+static inline __ASM void hardfault_genhf_invalid_fp(void)
+{
+    MOVS r0, #0
+    BLX  r0
+}
+
+static inline __ASM void hardfault_genhf_undefined_instr(void)
+{
+    DCI 0xf123
+    DCI 0x4567
+}
+
+static inline __ASM void hardfault_genhf_ldm_align(void)
+{
+    MOVS r0,  #1
+    LDM  r0!, {r1-r2}
+}
+
+#elif defined( __ICCARM__ )
+
+#pragma inline=forced
+static inline void hardfault_genhf_invalid_fp(void)
+{
+    __ASM volatile(
+    "    movs r0, #0 \n"
+    "    blx  r0     \n"
+     );
+}
+
+#pragma inline=forced
+static inline void hardfault_genhf_undefined_instr(void)
+{
+    __ASM volatile(
+    "DATA           \n"
+    "    DC16 0xf123 \n"
+    "    DC16 0x4567 \n"
+    );
+}
+
+#pragma inline=forced
+static inline void hardfault_genhf_ldm_align(void)
+{
+    __ASM volatile(
+    "    movs r0,  #1      \n"
+    "    ldm  r0!, {r1-r2} \n"
+    );
+}
+
+#elif defined(  __GNUC__  )
+
+static inline void hardfault_genhf_invalid_fp(void)
+{
+    __ASM volatile(
+    "    .syntax unified  \n"
+    "    movs r0, #0 \n"
+    "    blx  r0     \n"
+     );
+}
+
+static inline void hardfault_genhf_undefined_instr(void)
+{
+    __ASM volatile(
+    "    .hword 0xf123 \n"
+    "    .hword 0x4567 \n"
+    );
+}
+
+static inline void hardfault_genhf_ldm_align(void)
+{
+    __ASM volatile(
+    "    .syntax unified  \n"
+    "    movs r0,  #1      \n"
+    "    ldm  r0!, {r1-r2} \n"
+    );
+}
+
+#else
+#error "Unsupported compiler"
+#endif
+
+/** @} */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HARDFAULT_GENHF_H__ */
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_implementation.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_implementation.c
new file mode 100644
index 0000000..02f3ed7
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/hardfault_implementation.c
@@ -0,0 +1,158 @@
+/**
+ * Copyright (c) 2015 - 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.
+ * 
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
+#include "hardfault.h"
+#include "nrf.h"
+#include "compiler_abstraction.h"
+#include "app_util_platform.h"
+#ifdef SOFTDEVICE_PRESENT
+#include "nrf_soc.h"
+#endif
+#define NRF_LOG_MODULE_NAME hardfault
+#include "nrf_log.h"
+#include "nrf_log_ctrl.h"
+NRF_LOG_MODULE_REGISTER();
+
+#if defined(DEBUG_NRF)
+/**
+ * @brief Pointer to the last received stack pointer.
+ *
+ * This pointer is set in the debug version of the HardFault handler.
+ * It helps to debug HardFault reasons.
+ */
+volatile HardFault_stack_t * HardFault_p_stack;
+#endif
+
+/*lint -save -e14 */
+__WEAK void HardFault_process(HardFault_stack_t * p_stack)
+{
+    // Restart the system by default
+    NVIC_SystemReset();
+}
+/*lint -restore */
+
+void HardFault_c_handler(uint32_t * p_stack_address)
+{
+    NRF_LOG_FINAL_FLUSH();
+
+#if (__CORTEX_M == 0x04)
+
+#ifndef CFSR_MMARVALID
+  #define CFSR_MMARVALID (1 << (0 + 7))
+#endif
+
+#ifndef CFSR_BFARVALID
+  #define CFSR_BFARVALID (1 << (8 + 7))
+#endif
+
+ #if defined(DEBUG)
+
+    HardFault_stack_t * p_stack = (HardFault_stack_t *)p_stack_address;
+    static const char *cfsr_msgs[] = {
+        [0]  = "The processor has attempted to execute an undefined instruction",
+        [1]  = "The processor attempted a load or store at a location that does not permit the operation",
+        [2]  = NULL,
+        [3]  = "Unstack for an exception return has caused one or more access violations",
+        [4]  = "Stacking for an exception entry has caused one or more access violations",
+        [5]  = "A MemManage fault occurred during floating-point lazy state preservation",
+        [6]  = NULL,
+        [7]  = NULL,
+        [8]  = "Instruction bus error",
+        [9]  = "Data bus error (PC value stacked for the exception return points to the instruction that caused the fault)",
+        [10] = "Data bus error (return address in the stack frame is not related to the instruction that caused the error)",
+        [11] = "Unstack for an exception return has caused one or more BusFaults",
+        [12] = "Stacking for an exception entry has caused one or more BusFaults",
+        [13] = "A bus fault occurred during floating-point lazy state preservation",
+        [14] = NULL,
+        [15] = NULL,
+        [16] = "The processor has attempted to execute an undefined instruction",
+        [17] = "The processor has attempted to execute an instruction that makes illegal use of the EPSR",
+        [18] = "The processor has attempted an illegal load of EXC_RETURN to the PC, as a result of an invalid context, or an invalid EXC_RETURN value",
+        [19] = "The processor has attempted to access a coprocessor",
+        [20] = NULL,
+        [21] = NULL,
+        [22] = NULL,
+        [23] = NULL,
+        [24] = "The processor has made an unaligned memory access",
+        [25] = "The processor has executed an SDIV or UDIV instruction with a divisor of 0",
+    };
+
+    uint32_t cfsr = SCB->CFSR;
+    
+    // Print information about error.
+    NRF_LOG_ERROR("HARD FAULT at 0x%08X", p_stack->pc);
+    NRF_LOG_ERROR("  R0:  0x%08X  R1:  0x%08X  R2:  0x%08X  R3:  0x%08X",
+                         p_stack->r0, p_stack->r1, p_stack->r2, p_stack->r3);
+    NRF_LOG_ERROR("  R12: 0x%08X  LR:  0x%08X  PSR: 0x%08X",
+                         p_stack->r12, p_stack->lr, p_stack->psr);
+
+    if (SCB->HFSR & SCB_HFSR_VECTTBL_Msk)
+    {
+        NRF_LOG_ERROR("Cause: BusFault on a vector table read during exception processing.");
+    }
+
+    for (uint32_t i = 0; i < sizeof(cfsr_msgs) / sizeof(cfsr_msgs[0]); i++)
+    {
+        if (((cfsr & (1 << i)) != 0) && (cfsr_msgs[i] != NULL))
+        {
+            NRF_LOG_ERROR("Cause: %s.", (uint32_t)cfsr_msgs[i]);
+        }
+    }
+
+    if (cfsr & CFSR_MMARVALID)
+    {
+        NRF_LOG_ERROR("MemManage Fault Address: 0x%08X", SCB->MMFAR);
+    }
+
+    if (cfsr & CFSR_BFARVALID)
+    {
+        NRF_LOG_ERROR("Bus Fault Address: 0x%08X", SCB->BFAR);
+    }
+
+    NRF_BREAKPOINT_COND;
+
+ #endif // defined (DEBUG)
+
+#endif // __CORTEX_M == 0x04
+
+    HardFault_process((HardFault_stack_t *)p_stack_address);
+}
+#endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf51/handler/hardfault_handler_gcc.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf51/handler/hardfault_handler_gcc.c
new file mode 100644
index 0000000..85db240
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf51/handler/hardfault_handler_gcc.c
@@ -0,0 +1,87 @@
+/**
+ * Copyright (c) 2015 - 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.
+ * 
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
+#include <stdint.h>
+#include "compiler_abstraction.h"
+
+extern void HardFault_c_handler(uint32_t *);
+
+void HardFault_Handler(void) __attribute__(( naked ));
+
+void HardFault_Handler(void)
+{
+    __ASM volatile(
+    "   .syntax unified                        \n"
+
+    "   ldr   r0, =0xFFFFFFFD                  \n"
+    "   cmp   r0, lr                           \n"
+    "   bne   HardFault_Handler_ChooseMSP      \n"
+    /* Reading PSP into R0 */
+    "   mrs   r0, PSP                          \n"
+    "   b     HardFault_Handler_Continue       \n"
+    "HardFault_Handler_ChooseMSP:              \n"
+    /* Reading MSP into R0 */
+    "   mrs   r0, MSP                          \n"
+    /* -----------------------------------------------------------------
+     * If we have selected MSP check if we may use stack safetly.
+     * If not - reset the stack to the initial value. */
+    "   ldr   r1, =__StackTop                  \n"
+    "   ldr   r2, =__StackLimit                \n"
+
+    /* MSP is in the range of the stack area */
+    "   cmp   r0, r1                           \n"
+    "   bhi   HardFault_MoveSP                 \n"
+    "   cmp   r0, r2                           \n"
+    "   bhi   HardFault_Handler_Continue       \n"
+    /* ----------------------------------------------------------------- */
+    "HardFault_MoveSP:                         \n"
+    "   mov   SP, r1                           \n"
+    "   movs  r0, #0                           \n"
+
+    "HardFault_Handler_Continue:               \n"
+    "   ldr r3, =%0                            \n"
+    "   bx r3                                  \n"
+
+    "   .ltorg                                 \n"
+    : : "X"(HardFault_c_handler)
+    );
+}
+#endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf51/handler/hardfault_handler_iar.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf51/handler/hardfault_handler_iar.c
new file mode 100644
index 0000000..6c4e5a2
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf51/handler/hardfault_handler_iar.c
@@ -0,0 +1,98 @@
+/**
+ * Copyright (c) 2015 - 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.
+ * 
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
+#include <stdint.h>
+#include "compiler_abstraction.h"
+
+#pragma section = "CSTACK"
+extern void HardFault_c_handler( uint32_t * );
+
+__stackless void HardFault_Handler(void);
+
+__stackless void HardFault_Handler(void)
+{
+    __ASM volatile(
+    "   ldr   r0, 100f                         \n"
+    "   cmp   r0, lr                           \n"
+    "   bne   1f                               \n"
+    /* Reading PSP into R0 */
+    "   mrs   r0, PSP                          \n"
+    "   b     3f                               \n"
+    "1:                                        \n"
+    /* Reading MSP into R0 */
+    "   mrs   r0, MSP                          \n"
+    /* -----------------------------------------------------------------
+     * If we have selected MSP check if we may use stack safetly.
+     * If not - reset the stack to the initial value. */
+    "   ldr   r1, 101f                         \n"
+    "   ldr   r2, 102f                         \n"
+
+    /* MSP is in the range of the stack area */
+    "   cmp   r0, r1                           \n"
+    "   bhi   2f                               \n"
+    "   cmp   r0, r2                           \n"
+    "   bhi   3f                               \n"
+    /* ----------------------------------------------------------------- */
+    "2:                                        \n"
+    "   mov   SP, r1                           \n"
+    "   movs  r0, #0                           \n"
+
+    "3:                                        \n"
+    "   ldr r3, 103f                           \n"
+    "   bx r3                                  \n"
+
+    "DATA                                      \n"
+    "100:                                      \n"
+    "   DC32 0xFFFFFFFD                        \n"
+    "101:                                      \n"
+    "   DC32 %c0                               \n"
+    "102:                                      \n"
+    "   DC32 %c1                               \n"
+    "103:                                      \n"
+    "   DC32 %c2                               \n"
+    : /* Outputs */
+    : /* Inputs */
+    "i"(__section_end("CSTACK")),
+    "i"(__section_begin("CSTACK")),
+    "i"(&HardFault_c_handler)
+    );
+}
+#endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf51/handler/hardfault_handler_keil.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf51/handler/hardfault_handler_keil.c
new file mode 100644
index 0000000..a1dcd3e
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf51/handler/hardfault_handler_keil.c
@@ -0,0 +1,88 @@
+/**
+ * Copyright (c) 2015 - 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.
+ * 
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
+#include <stdint.h>
+#include "compiler_abstraction.h"
+
+
+//lint -save -e27
+
+__ASM void HardFault_Handler(void)
+{
+    PRESERVE8
+    EXTERN HardFault_c_handler
+    EXTERN |STACK$$Base|
+    EXTERN |STACK$$Limit|
+
+    ldr   r0, =0xFFFFFFFD
+    cmp   r0, lr
+    bne   HardFault_Handler_ChooseMSP
+    /* Reading PSP into R0 */
+    mrs   r0, PSP
+    b     HardFault_Handler_Continue
+HardFault_Handler_ChooseMSP
+    /* Reading MSP into R0 */
+    mrs   r0, MSP
+    /* -----------------------------------------------------------------
+     * If we have selected MSP, check if we may use stack safely.
+     * If not - reset the stack to the initial value. */
+    ldr   r1, =|STACK$$Limit|
+    ldr   r2, =|STACK$$Base|
+
+    /* MSP is in the range of the stack area */
+    cmp   r0, r1
+    bhi   HardFault_MoveSP
+    cmp   r0, r2
+    bhi   HardFault_Handler_Continue
+    /* ----------------------------------------------------------------- */
+HardFault_MoveSP
+    mov   SP, r1
+    movs  r0, #0
+
+HardFault_Handler_Continue
+    ldr r3, =HardFault_c_handler
+    bx r3
+
+    ALIGN
+}
+
+//lint -restore
+#endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf52/handler/hardfault_handler_gcc.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf52/handler/hardfault_handler_gcc.c
new file mode 100644
index 0000000..13d5a1b
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf52/handler/hardfault_handler_gcc.c
@@ -0,0 +1,100 @@
+/**
+ * Copyright (c) 2015 - 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.
+ * 
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
+#include <stdint.h>
+#include "compiler_abstraction.h"
+
+extern void HardFault_c_handler(uint32_t *);
+
+void HardFault_Handler(void) __attribute__(( naked ));
+
+void HardFault_Handler(void)
+{
+    __ASM volatile(
+    "   tst lr, #4                              \n"
+
+    /* PSP is quite simple and does not require additional handler */
+    "   itt ne                                  \n"
+    "   mrsne r0, psp                           \n"
+    /* Jump to the handler, do not store LR - returning from handler just exits exception */
+    "   bne  HardFault_Handler_Continue         \n"
+
+    /* Processing MSP requires stack checking */
+    "   mrs r0, msp                             \n"
+
+    "   ldr   r1, =__StackTop                   \n"
+    "   ldr   r2, =__StackLimit                 \n"
+
+    /* MSP is in the range of the stack area */
+    "   cmp   r0, r1                            \n"
+    "   bhi   HardFault_MoveSP                  \n"
+    "   cmp   r0, r2                            \n"
+    "   bhi   HardFault_Handler_Continue        \n"
+
+    "HardFault_MoveSP:                          \n"
+    "   mov   sp, r1                            \n"
+    "   mov   r0, #0                            \n"
+
+    "HardFault_Handler_Continue:                \n"
+#if HARDFAULT_HANDLER_GDB_PSP_BACKTRACE
+    "   mov r3, sp                              \n" /* Remember old SP */
+    "   mov sp, r0                              \n" /* SP changed the pointer when hardfault was generated - we cannot just switch to PSP in exception */
+    "   push {r3,lr}                            \n" /* Save old SP and LR on the task stack */
+#if !defined(__SES_ARM)
+    "   .cfi_def_cfa_offset 8                   \n"
+    "   .cfi_offset 14, -4                      \n"
+#endif
+   /* No information about saved SP above (no .cfi_offset 13, -8).
+    * In other case this would direct us back to using always MSP while backtracking */
+    "   ldr r3, =%0                             \n"
+    "   blx r3                                  \n"
+    "   pop {r3,lr}                             \n"
+    "   mov sp, r3                              \n"
+    "   bx lr                                   \n"
+#else // HARDFAULT_HANDLER_GDB_PSP_BACKTRACE
+    "   ldr r3, =%0                             \n"
+    "   bx r3                                   \n"
+#endif
+    "   .ltorg                                  \n"
+    : : "X"(HardFault_c_handler)
+    );
+}
+#endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf52/handler/hardfault_handler_iar.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf52/handler/hardfault_handler_iar.c
new file mode 100644
index 0000000..03a40bf
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf52/handler/hardfault_handler_iar.c
@@ -0,0 +1,97 @@
+/**
+ * Copyright (c) 2015 - 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.
+ * 
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
+#include <stdint.h>
+#include "compiler_abstraction.h"
+
+#pragma section = "CSTACK"
+extern void HardFault_c_handler( uint32_t * );
+
+__stackless void HardFault_Handler(void);
+
+__stackless void HardFault_Handler(void)
+{
+    __ASM volatile(
+    "   ldr.n r3, 103f                          \n"
+    "   tst   lr, #4                            \n"
+
+    /* PSP is quite simple and does not require additional handler */
+    "   itt   ne                                \n"
+    "   mrsne r0, psp                           \n"
+    /* Jump to the handler, do not store LR - returning from handler just exits exception */
+    "   bxne  r3                                \n"
+
+    /* Processing MSP requires stack checking */
+    "   mrs r0, msp                             \n"
+
+    "   ldr.n r1, 101f                          \n"
+    "   ldr.n r2, 102f                          \n"
+
+    /* MSP is in the range of the stack area */
+    "   cmp   r0, r1                            \n"
+    "   bhi.n 1f                                \n"
+    "   cmp   r0, r2                            \n"
+    "   bhi.n 2f                                \n"
+
+    "1:                                         \n"
+    "   mov   sp, r1                            \n"
+    "   mov   r0, #0                            \n"
+
+    "2:                                         \n"
+    "   bx r3                                   \n"
+    /* Data alignment if required */
+    "   nop                                     \n"
+
+    "DATA                                       \n"
+    "101:                                       \n"
+    "   DC32 %c0                                \n"
+    "102:                                       \n"
+    "   DC32 %c1                                \n"
+    "103:                                       \n"
+    "   DC32 %c2                                \n"
+    : /* Outputs */
+    : /* Inputs */
+    "i"(__section_end("CSTACK")),
+    "i"(__section_begin("CSTACK")),
+    "i"(&HardFault_c_handler)
+    );
+}
+#endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf52/handler/hardfault_handler_keil.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf52/handler/hardfault_handler_keil.c
new file mode 100644
index 0000000..2752489
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/hardfault/nrf52/handler/hardfault_handler_keil.c
@@ -0,0 +1,87 @@
+/**
+ * Copyright (c) 2015 - 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.
+ * 
+ */
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(HARDFAULT_HANDLER)
+#include <stdint.h>
+#include "compiler_abstraction.h"
+
+
+//lint -save -e27
+
+__ASM void HardFault_Handler(void)
+{
+    PRESERVE8
+    EXTERN HardFault_c_handler
+    EXTERN |STACK$$Base|
+    EXTERN |STACK$$Limit|
+
+    ldr r3, =HardFault_c_handler
+    tst lr, #4
+
+    /* PSP is quite simple and does not require additional handler */
+    itt ne
+    mrsne r0, psp
+    /* Jump to the handler, do not store LR - returning from handler just exits exception */
+    bxne  r3
+
+    /* Processing MSP requires stack checking */
+    mrs r0, msp
+
+    ldr   r1, =|STACK$$Limit|
+    ldr   r2, =|STACK$$Base|
+
+    /* MSP is in the range of the stack area */
+    cmp   r0, r1
+    bhi   HardFault_MoveSP
+    cmp   r0, r2
+    bhi   HardFault_Handler_Continue
+
+HardFault_MoveSP
+    mov   sp, r1
+    mov   r0, #0
+
+HardFault_Handler_Continue
+    bx r3
+
+    ALIGN
+}
+
+//lint -restore
+#endif //NRF_MODULE_ENABLED(HARDFAULT_HANDLER)