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 /**************************************************************************//**
  * @file     core_sc000.h
  * @brief    CMSIS SC000 Core Peripheral Access Layer Header File
- * @version  V4.30
+ * @version  V5.0.5
- * @date     20. October 2015
+ * @date     28. May 2018
  ******************************************************************************/
+/*
-/* Copyright (c) 2009 - 2015 ARM LIMITED
+ * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
+ *
-   All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
-   Redistribution and use in source and binary forms, with or without
-   modification, are permitted provided that the following conditions are met:
+ *
-   - Redistributions of source code must retain the above copyright
+ * Licensed under the Apache License, Version 2.0 (the License); you may
-     notice, this list of conditions and the following disclaimer.
+ * not use this file except in compliance with the License.
-   - Redistributions in binary form must reproduce the above copyright
+ * You may obtain a copy of the License at
-     notice, this list of conditions and the following disclaimer in the
-     documentation and/or other materials provided with the distribution.
-   - Neither the name of ARM nor the names of its contributors may be used
-     to endorse or promote products derived from this software without
+ *
-     specific prior written permission.
+ * www.apache.org/licenses/LICENSE-2.0
-   *
+ *
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-   ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND 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
+ * Unless required by applicable law or agreed to in writing, software
-   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
-   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * See the License for the specific language governing permissions and
-   POSSIBILITY OF SUCH DAMAGE.
+ * limitations under the License.
-   ---------------------------------------------------------------------------*/
+ */
 #if   defined ( __ICCARM__ )
- #pragma system_include         /* treat file as system include file for MISRA check */
+  #pragma system_include         /* treat file as system include file for MISRA check */
-#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+#elif defined (__clang__)
   #pragma clang system_header   /* treat file as system include file */
 #endif
 #ifndef __CORE_SC000_H_GENERIC
 #define __CORE_SC000_H_GENERIC
 /**
   \ingroup SC000
   @{
  */
+#include "cmsis_version.h"
 /*  CMSIS SC000 definitions */
-#define __SC000_CMSIS_VERSION_MAIN  (0x04U)                                    /*!< [31:16] CMSIS HAL main version */
+#define __SC000_CMSIS_VERSION_MAIN  (__CM_CMSIS_VERSION_MAIN)                /*!< \deprecated [31:16] CMSIS HAL main version */
-#define __SC000_CMSIS_VERSION_SUB   (0x1EU)                                    /*!< [15:0]  CMSIS HAL sub version */
+#define __SC000_CMSIS_VERSION_SUB   (__CM_CMSIS_VERSION_SUB)                 /*!< \deprecated [15:0]  CMSIS HAL sub version */
 #define __SC000_CMSIS_VERSION       ((__SC000_CMSIS_VERSION_MAIN << 16U) | \
-                                      __SC000_CMSIS_VERSION_SUB           )    /*!< CMSIS HAL version number */
+                                      __SC000_CMSIS_VERSION_SUB           )  /*!< \deprecated CMSIS HAL version number */
-#define __CORTEX_SC                 (000U)                                     /*!< Cortex secure core */
-#if   defined ( __CC_ARM )
-  #define __ASM            __asm                                      /*!< asm keyword for ARM Compiler */
-  #define __INLINE         __inline                                   /*!< inline keyword for ARM Compiler */
-  #define __STATIC_INLINE  static __inline
-#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
-  #define __ASM            __asm                                      /*!< asm keyword for ARM Compiler */
-  #define __INLINE         __inline                                   /*!< inline keyword for ARM Compiler */
-  #define __STATIC_INLINE  static __inline
-#elif defined ( __GNUC__ )
-  #define __ASM            __asm                                      /*!< asm keyword for GNU Compiler */
-  #define __INLINE         inline                                     /*!< inline keyword for GNU Compiler */
-  #define __STATIC_INLINE  static inline
-#elif defined ( __ICCARM__ )
-  #define __ASM            __asm                                      /*!< asm keyword for IAR Compiler */
-  #define __INLINE         inline                                     /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
-  #define __STATIC_INLINE  static inline
-#elif defined ( __TMS470__ )
-  #define __ASM            __asm                                      /*!< asm keyword for TI CCS Compiler */
-  #define __STATIC_INLINE  static inline
-#elif defined ( __TASKING__ )
-  #define __ASM            __asm                                      /*!< asm keyword for TASKING Compiler */
-  #define __INLINE         inline                                     /*!< inline keyword for TASKING Compiler */
-  #define __STATIC_INLINE  static inline
-#elif defined ( __CSMC__ )
-  #define __packed
-  #define __ASM            _asm                                      /*!< asm keyword for COSMIC Compiler */
+#define __CORTEX_SC                 (000U)                                   /*!< Cortex secure core */
-  #define __INLINE         inline                                    /*!< inline keyword for COSMIC Compiler. Use -pc99 on compile line */
-  #define __STATIC_INLINE  static inline
-#else
-  #error Unknown compiler
-#endif
 /** __FPU_USED indicates whether an FPU is used or not.
     This core does not support an FPU at all
 */
 #define __FPU_USED       0U
 #if defined ( __CC_ARM )
   #if defined __TARGET_FPU_VFP
     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
   #endif
-#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
+#elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
   #if defined __ARM_PCS_VFP
     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
   #endif
 #elif defined ( __GNUC__ )
 #elif defined ( __ICCARM__ )
   #if defined __ARMVFP__
     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
   #endif
-#elif defined ( __TMS470__ )
+#elif defined ( __TI_ARM__ )
   #if defined __TI_VFP_SUPPORT__
     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
   #endif
 #elif defined ( __TASKING__ )
     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
   #endif
 #endif
-#include "core_cmInstr.h"                /* Core Instruction Access */
+#include "cmsis_compiler.h"               /* CMSIS compiler specific defines */
-#include "core_cmFunc.h"                 /* Core Function Access */
 #ifdef __cplusplus
+}
 #endif
 #define SysTick_CALIB_TENMS_Pos             0U                                            /*!< SysTick CALIB: TENMS Position */
 #define SysTick_CALIB_TENMS_Msk            (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/)    /*!< SysTick CALIB: TENMS Mask */
 /*@} end of group CMSIS_SysTick */
-#if (__MPU_PRESENT == 1U)
+#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
 /**
   \ingroup  CMSIS_core_register
   \defgroup CMSIS_MPU     Memory Protection Unit (MPU)
   \brief    Type definitions for the Memory Protection Unit (MPU)
   @{
  */
 /**
   \brief   Mask and shift a bit field value for use in a register bit range.
   \param[in] field  Name of the register bit field.
-  \param[in] value  Value of the bit field.
+  \param[in] value  Value of the bit field. This parameter is interpreted as an uint32_t type.
   \return           Masked and shifted value.
 */
-#define _VAL2FLD(field, value)    ((value << field ## _Pos) & field ## _Msk)
+#define _VAL2FLD(field, value)    (((uint32_t)(value) << field ## _Pos) & field ## _Msk)
 /**
   \brief     Mask and shift a register value to extract a bit filed value.
   \param[in] field  Name of the register bit field.
-  \param[in] value  Value of register.
+  \param[in] value  Value of register. This parameter is interpreted as an uint32_t type.
   \return           Masked and shifted bit field value.
 */
-#define _FLD2VAL(field, value)    ((value & field ## _Msk) >> field ## _Pos)
+#define _FLD2VAL(field, value)    (((uint32_t)(value) & field ## _Msk) >> field ## _Pos)
 /*@} end of group CMSIS_core_bitfield */
 /**
   \defgroup   CMSIS_core_base     Core Definitions
   \brief      Definitions for base addresses, unions, and structures.
   @{
  */
-/* Memory mapping of SC000 Hardware */
+/* Memory mapping of Core Hardware */
 #define SCS_BASE            (0xE000E000UL)                            /*!< System Control Space Base Address */
 #define SysTick_BASE        (SCS_BASE +  0x0010UL)                    /*!< SysTick Base Address */
 #define NVIC_BASE           (SCS_BASE +  0x0100UL)                    /*!< NVIC Base Address */
 #define SCB_BASE            (SCS_BASE +  0x0D00UL)                    /*!< System Control Block Base Address */
 #define SCnSCB              ((SCnSCB_Type    *)     SCS_BASE      )   /*!< System control Register not in SCB */
 #define SCB                 ((SCB_Type       *)     SCB_BASE      )   /*!< SCB configuration struct */
 #define SysTick             ((SysTick_Type   *)     SysTick_BASE  )   /*!< SysTick configuration struct */
 #define NVIC                ((NVIC_Type      *)     NVIC_BASE     )   /*!< NVIC configuration struct */
-#if (__MPU_PRESENT == 1U)
+#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
   #define MPU_BASE          (SCS_BASE +  0x0D90UL)                    /*!< Memory Protection Unit */
   #define MPU               ((MPU_Type       *)     MPU_BASE      )   /*!< Memory Protection Unit */
 #endif
 /*@} */
   \defgroup CMSIS_Core_NVICFunctions NVIC Functions
   \brief    Functions that manage interrupts and exceptions via the NVIC.
   @{
  */
+#ifdef CMSIS_NVIC_VIRTUAL
+  #ifndef CMSIS_NVIC_VIRTUAL_HEADER_FILE
+    #define CMSIS_NVIC_VIRTUAL_HEADER_FILE "cmsis_nvic_virtual.h"
+  #endif
+  #include CMSIS_NVIC_VIRTUAL_HEADER_FILE
+#else
+/*#define NVIC_SetPriorityGrouping    __NVIC_SetPriorityGrouping   not available for SC000 */
+/*#define NVIC_GetPriorityGrouping    __NVIC_GetPriorityGrouping   not available for SC000 */
+  #define NVIC_EnableIRQ              __NVIC_EnableIRQ
+  #define NVIC_GetEnableIRQ           __NVIC_GetEnableIRQ
+  #define NVIC_DisableIRQ             __NVIC_DisableIRQ
+  #define NVIC_GetPendingIRQ          __NVIC_GetPendingIRQ
+  #define NVIC_SetPendingIRQ          __NVIC_SetPendingIRQ
+  #define NVIC_ClearPendingIRQ        __NVIC_ClearPendingIRQ
+/*#define NVIC_GetActive              __NVIC_GetActive             not available for SC000 */
+  #define NVIC_SetPriority            __NVIC_SetPriority
+  #define NVIC_GetPriority            __NVIC_GetPriority
+  #define NVIC_SystemReset            __NVIC_SystemReset
+#endif /* CMSIS_NVIC_VIRTUAL */
+#ifdef CMSIS_VECTAB_VIRTUAL
+  #ifndef CMSIS_VECTAB_VIRTUAL_HEADER_FILE
+    #define CMSIS_VECTAB_VIRTUAL_HEADER_FILE "cmsis_vectab_virtual.h"
+  #endif
+  #include CMSIS_VECTAB_VIRTUAL_HEADER_FILE
+#else
+  #define NVIC_SetVector              __NVIC_SetVector
+  #define NVIC_GetVector              __NVIC_GetVector
+#endif  /* (CMSIS_VECTAB_VIRTUAL) */
+#define NVIC_USER_IRQ_OFFSET          16
+/* The following EXC_RETURN values are saved the LR on exception entry */
+#define EXC_RETURN_HANDLER         (0xFFFFFFF1UL)     /* return to Handler mode, uses MSP after return                               */
+#define EXC_RETURN_THREAD_MSP      (0xFFFFFFF9UL)     /* return to Thread mode, uses MSP after return                                */
+#define EXC_RETURN_THREAD_PSP      (0xFFFFFFFDUL)     /* return to Thread mode, uses PSP after return                                */
-/* Interrupt Priorities are WORD accessible only under ARMv6M                   */
+/* Interrupt Priorities are WORD accessible only under Armv6-M                  */
 /* The following MACROS handle generation of the register offset and byte masks */
 #define _BIT_SHIFT(IRQn)         (  ((((uint32_t)(int32_t)(IRQn))         )      &  0x03UL) * 8UL)
 #define _SHP_IDX(IRQn)           ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >>    2UL)      )
 #define _IP_IDX(IRQn)            (   (((uint32_t)(int32_t)(IRQn))                >>    2UL)      )
 /**
-  \brief   Enable External Interrupt
+  \brief   Enable Interrupt
-  \details Enables a device-specific interrupt in the NVIC interrupt controller.
+  \details Enables a device specific interrupt in the NVIC interrupt controller.
-  \param [in]      IRQn  External interrupt number. Value cannot be negative.
+  \param [in]      IRQn  Device specific interrupt number.
+  \note    IRQn must not be negative.
  */
-__STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
+__STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn)
+{
+  if ((int32_t)(IRQn) >= 0)
+  {
-  NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
+    NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
+  }
+}
 /**
-  \brief   Disable External Interrupt
+  \brief   Get Interrupt Enable status
-  \details Disables a device-specific interrupt in the NVIC interrupt controller.
+  \details Returns a device specific interrupt enable status from the NVIC interrupt controller.
-  \param [in]      IRQn  External interrupt number. Value cannot be negative.
+  \param [in]      IRQn  Device specific interrupt number.
+  \return             0  Interrupt is not enabled.
+  \return             1  Interrupt is enabled.
+  \note    IRQn must not be negative.
  */
-__STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
+__STATIC_INLINE uint32_t __NVIC_GetEnableIRQ(IRQn_Type IRQn)
+{
+  if ((int32_t)(IRQn) >= 0)
+  {
+    return((uint32_t)(((NVIC->ISER[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
+  }
+  else
+  {
+    return(0U);
+  }
+}
+/**
+  \brief   Disable Interrupt
+  \details Disables a device specific interrupt in the NVIC interrupt controller.
+  \param [in]      IRQn  Device specific interrupt number.
+  \note    IRQn must not be negative.
+ */
+__STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn)
+{
+  if ((int32_t)(IRQn) >= 0)
+  {
-  NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
+    NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
+    __DSB();
+    __ISB();
+  }
+}
 /**
   \brief   Get Pending Interrupt
-  \details Reads the pending register in the NVIC and returns the pending bit for the specified interrupt.
+  \details Reads the NVIC pending register and returns the pending bit for the specified device specific interrupt.
-  \param [in]      IRQn  Interrupt number.
+  \param [in]      IRQn  Device specific interrupt number.
   \return             0  Interrupt status is not pending.
   \return             1  Interrupt status is pending.
+  \note    IRQn must not be negative.
  */
-__STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
+__STATIC_INLINE uint32_t __NVIC_GetPendingIRQ(IRQn_Type IRQn)
+{
+  if ((int32_t)(IRQn) >= 0)
+  {
-  return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
+    return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
+  }
+  else
+  {
+    return(0U);
+  }
+}
 /**
   \brief   Set Pending Interrupt
-  \details Sets the pending bit of an external interrupt.
+  \details Sets the pending bit of a device specific interrupt in the NVIC pending register.
-  \param [in]      IRQn  Interrupt number. Value cannot be negative.
+  \param [in]      IRQn  Device specific interrupt number.
+  \note    IRQn must not be negative.
  */
-__STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
+__STATIC_INLINE void __NVIC_SetPendingIRQ(IRQn_Type IRQn)
+{
+  if ((int32_t)(IRQn) >= 0)
+  {
-  NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
+    NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
+  }
+}
 /**
   \brief   Clear Pending Interrupt
-  \details Clears the pending bit of an external interrupt.
+  \details Clears the pending bit of a device specific interrupt in the NVIC pending register.
-  \param [in]      IRQn  External interrupt number. Value cannot be negative.
+  \param [in]      IRQn  Device specific interrupt number.
+  \note    IRQn must not be negative.
  */
-__STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
+__STATIC_INLINE void __NVIC_ClearPendingIRQ(IRQn_Type IRQn)
+{
+  if ((int32_t)(IRQn) >= 0)
+  {
-  NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
+    NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
+  }
+}
 /**
   \brief   Set Interrupt Priority
-  \details Sets the priority of an interrupt.
+  \details Sets the priority of a device specific interrupt or a processor exception.
-  \note    The priority cannot be set for every core interrupt.
+           The interrupt number can be positive to specify a device specific interrupt,
+           or negative to specify a processor exception.
   \param [in]      IRQn  Interrupt number.
   \param [in]  priority  Priority to set.
+  \note    The priority cannot be set for every processor exception.
  */
-__STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
+__STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
+{
-  if ((int32_t)(IRQn) < 0)
+  if ((int32_t)(IRQn) >= 0)
+  {
-    SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
+    NVIC->IP[_IP_IDX(IRQn)]  = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)]  & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
        (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
+  }
   else
+  {
-    NVIC->IP[_IP_IDX(IRQn)]  = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)]  & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
+    SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
        (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
+  }
+}
 /**
   \brief   Get Interrupt Priority
-  \details Reads the priority of an interrupt.
+  \details Reads the priority of a device specific interrupt or a processor exception.
-           The interrupt number can be positive to specify an external (device specific) interrupt,
+           The interrupt number can be positive to specify a device specific interrupt,
-           or negative to specify an internal (core) interrupt.
+           or negative to specify a processor exception.
   \param [in]   IRQn  Interrupt number.
   \return             Interrupt Priority.
                       Value is aligned automatically to the implemented priority bits of the microcontroller.
  */
-__STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
+__STATIC_INLINE uint32_t __NVIC_GetPriority(IRQn_Type IRQn)
+{
-  if ((int32_t)(IRQn) < 0)
+  if ((int32_t)(IRQn) >= 0)
+  {
-    return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
+    return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
+  }
   else
+  {
-    return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
+    return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
+  }
+}
 /**
+  \brief   Set Interrupt Vector
+  \details Sets an interrupt vector in SRAM based interrupt vector table.
+           The interrupt number can be positive to specify a device specific interrupt,
+           or negative to specify a processor exception.
+           VTOR must been relocated to SRAM before.
+  \param [in]   IRQn      Interrupt number
+  \param [in]   vector    Address of interrupt handler function
+ */
+__STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector)
+{
+  uint32_t *vectors = (uint32_t *)SCB->VTOR;
+  vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector;
+}
+/**
+  \brief   Get Interrupt Vector
+  \details Reads an interrupt vector from interrupt vector table.
+           The interrupt number can be positive to specify a device specific interrupt,
+           or negative to specify a processor exception.
+  \param [in]   IRQn      Interrupt number.
+  \return                 Address of interrupt handler function
+ */
+__STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn)
+{
+  uint32_t *vectors = (uint32_t *)SCB->VTOR;
+  return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET];
+}
+/**
   \brief   System Reset
   \details Initiates a system reset request to reset the MCU.
  */
-__STATIC_INLINE void NVIC_SystemReset(void)
+__NO_RETURN __STATIC_INLINE void __NVIC_SystemReset(void)
+{
   __DSB();                                                          /* Ensure all outstanding memory accesses included
                                                                        buffered write are completed before reset */
   SCB->AIRCR  = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
                  SCB_AIRCR_SYSRESETREQ_Msk);
+}
 /*@} end of CMSIS_Core_NVICFunctions */
+/* ##########################  FPU functions  #################################### */
+/**
+  \ingroup  CMSIS_Core_FunctionInterface
+  \defgroup CMSIS_Core_FpuFunctions FPU Functions
+  \brief    Function that provides FPU type.
+  @{
+ */
+/**
+  \brief   get FPU type
+  \details returns the FPU type
+  \returns
+   - \b  0: No FPU
+   - \b  1: Single precision FPU
+   - \b  2: Double + Single precision FPU
+ */
+__STATIC_INLINE uint32_t SCB_GetFPUType(void)
+{
+    return 0U;           /* No FPU */
+}
+/*@} end of CMSIS_Core_FpuFunctions */
 /* ##################################    SysTick function  ############################################ */
 /**
   \ingroup  CMSIS_Core_FunctionInterface
   \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
   \brief    Functions that configure the System.
   @{
  */
-#if (__Vendor_SysTickConfig == 0U)
+#if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U)
 /**
   \brief   System Tick Configuration
   \details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
            Counter is in free running mode to generate periodic interrupts.

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