diff options
Diffstat (limited to 'core_cm0plus.h')
| -rw-r--r-- | core_cm0plus.h | 421 |
1 files changed, 295 insertions, 126 deletions
diff --git a/core_cm0plus.h b/core_cm0plus.h index b04aa39..424011a 100644 --- a/core_cm0plus.h +++ b/core_cm0plus.h @@ -1,40 +1,30 @@ /**************************************************************************//** * @file core_cm0plus.h * @brief CMSIS Cortex-M0+ Core Peripheral Access Layer Header File - * @version V4.30 - * @date 20. October 2015 + * @version V5.0.6 + * @date 28. May 2018 ******************************************************************************/ -/* Copyright (c) 2009 - 2015 ARM LIMITED - - All rights reserved. - 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 - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form 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. - - 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. - * - 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 - 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. - ---------------------------------------------------------------------------*/ - +/* + * Copyright (c) 2009-2018 Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ #if defined ( __ICCARM__ ) - #pragma system_include /* treat file as system include file for MISRA check */ -#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) + #pragma system_include /* treat file as system include file for MISRA check */ +#elif defined (__clang__) #pragma clang system_header /* treat file as system include file */ #endif @@ -70,53 +60,15 @@ @{ */ +#include "cmsis_version.h" + /* CMSIS CM0+ definitions */ -#define __CM0PLUS_CMSIS_VERSION_MAIN (0x04U) /*!< [31:16] CMSIS HAL main version */ -#define __CM0PLUS_CMSIS_VERSION_SUB (0x1EU) /*!< [15:0] CMSIS HAL sub version */ +#define __CM0PLUS_CMSIS_VERSION_MAIN (__CM_CMSIS_VERSION_MAIN) /*!< \deprecated [31:16] CMSIS HAL main version */ +#define __CM0PLUS_CMSIS_VERSION_SUB (__CM_CMSIS_VERSION_SUB) /*!< \deprecated [15:0] CMSIS HAL sub version */ #define __CM0PLUS_CMSIS_VERSION ((__CM0PLUS_CMSIS_VERSION_MAIN << 16U) | \ - __CM0PLUS_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */ - -#define __CORTEX_M (0x00U) /*!< Cortex-M 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 __INLINE inline /*!< inline keyword for COSMIC Compiler. Use -pc99 on compile line */ - #define __STATIC_INLINE static inline + __CM0PLUS_CMSIS_VERSION_SUB ) /*!< \deprecated CMSIS HAL version number */ -#else - #error Unknown compiler -#endif +#define __CORTEX_M (0U) /*!< Cortex-M Core */ /** __FPU_USED indicates whether an FPU is used or not. This core does not support an FPU at all @@ -128,7 +80,7 @@ #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 @@ -143,7 +95,7 @@ #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 @@ -160,8 +112,8 @@ #endif -#include "core_cmInstr.h" /* Core Instruction Access */ -#include "core_cmFunc.h" /* Core Function Access */ +#include "cmsis_compiler.h" /* CMSIS compiler specific defines */ + #ifdef __cplusplus } @@ -404,7 +356,7 @@ typedef struct { __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */ __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */ -#if (__VTOR_PRESENT == 1U) +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) __IOM uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */ #else uint32_t RESERVED0; @@ -461,7 +413,7 @@ typedef struct #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */ #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */ -#if (__VTOR_PRESENT == 1U) +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) /* SCB Interrupt Control State Register Definitions */ #define SCB_VTOR_TBLOFF_Pos 8U /*!< SCB VTOR: TBLOFF Position */ #define SCB_VTOR_TBLOFF_Msk (0xFFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */ @@ -558,7 +510,7 @@ typedef struct /*@} 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) @@ -578,6 +530,8 @@ typedef struct __IOM uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */ } MPU_Type; +#define MPU_TYPE_RALIASES 1U + /* MPU Type Register Definitions */ #define MPU_TYPE_IREGION_Pos 16U /*!< MPU TYPE: IREGION Position */ #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */ @@ -667,18 +621,18 @@ typedef struct /** \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 */ @@ -690,7 +644,7 @@ typedef struct @{ */ -/* Memory mapping of Cortex-M0+ 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 */ @@ -700,7 +654,7 @@ typedef 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 @@ -730,87 +684,177 @@ typedef struct @{ */ -/* Interrupt Priorities are WORD accessible only under ARMv6M */ +#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 + #define NVIC_GetPriorityGrouping __NVIC_GetPriorityGrouping + #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 Cortex-M0+ */ + #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 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) ) +#define __NVIC_SetPriorityGrouping(X) (void)(X) +#define __NVIC_GetPriorityGrouping() (0U) /** - \brief Enable External Interrupt - \details Enables a device-specific interrupt in the NVIC interrupt controller. - \param [in] IRQn External interrupt number. Value cannot be negative. + \brief Enable Interrupt + \details Enables 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_EnableIRQ(IRQn_Type IRQn) +__STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn) { - NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); + if ((int32_t)(IRQn) >= 0) + { + NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); + } +} + + +/** + \brief Get Interrupt Enable status + \details Returns a device specific interrupt enable status from the NVIC interrupt controller. + \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 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 External Interrupt - \details Disables a device-specific interrupt in the NVIC interrupt controller. - \param [in] IRQn External interrupt number. Value cannot be negative. + \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) +__STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn) { - NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); + if ((int32_t)(IRQn) >= 0) + { + 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. - \param [in] IRQn Interrupt number. + \details Reads the NVIC pending register and returns the pending bit for the specified device specific interrupt. + \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) { - return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL)); + if ((int32_t)(IRQn) >= 0) + { + 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. - \param [in] IRQn Interrupt number. Value cannot be negative. + \details Sets the pending bit of a device specific interrupt in the NVIC pending register. + \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) { - NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); + if ((int32_t)(IRQn) >= 0) + { + NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); + } } /** \brief Clear Pending Interrupt - \details Clears the pending bit of an external interrupt. - \param [in] IRQn External interrupt number. Value cannot be negative. + \details Clears the pending bit of a device specific interrupt in the NVIC pending register. + \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) { - NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); + if ((int32_t)(IRQn) >= 0) + { + NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); + } } /** \brief Set Interrupt Priority - \details Sets the priority of an interrupt. - \note The priority cannot be set for every core interrupt. + \details Sets the priority of a device specific interrupt or a processor exception. + 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))); } } @@ -818,32 +862,125 @@ __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) /** \brief Get Interrupt Priority - \details Reads the priority of an interrupt. - The interrupt number can be positive to specify an external (device specific) interrupt, - or negative to specify an internal (core) interrupt. + \details Reads the priority of a device specific interrupt or a processor exception. + 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 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 Encode Priority + \details Encodes the priority for an interrupt with the given priority group, + preemptive priority value, and subpriority value. + In case of a conflict between priority grouping and available + priority bits (__NVIC_PRIO_BITS), the smallest possible priority group is set. + \param [in] PriorityGroup Used priority group. + \param [in] PreemptPriority Preemptive priority value (starting from 0). + \param [in] SubPriority Subpriority value (starting from 0). + \return Encoded priority. Value can be used in the function \ref NVIC_SetPriority(). + */ +__STATIC_INLINE uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority) +{ + uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL); /* only values 0..7 are used */ + uint32_t PreemptPriorityBits; + uint32_t SubPriorityBits; + + PreemptPriorityBits = ((7UL - PriorityGroupTmp) > (uint32_t)(__NVIC_PRIO_BITS)) ? (uint32_t)(__NVIC_PRIO_BITS) : (uint32_t)(7UL - PriorityGroupTmp); + SubPriorityBits = ((PriorityGroupTmp + (uint32_t)(__NVIC_PRIO_BITS)) < (uint32_t)7UL) ? (uint32_t)0UL : (uint32_t)((PriorityGroupTmp - 7UL) + (uint32_t)(__NVIC_PRIO_BITS)); + + return ( + ((PreemptPriority & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL)) << SubPriorityBits) | + ((SubPriority & (uint32_t)((1UL << (SubPriorityBits )) - 1UL))) + ); +} + + +/** + \brief Decode Priority + \details Decodes an interrupt priority value with a given priority group to + preemptive priority value and subpriority value. + In case of a conflict between priority grouping and available + priority bits (__NVIC_PRIO_BITS) the smallest possible priority group is set. + \param [in] Priority Priority value, which can be retrieved with the function \ref NVIC_GetPriority(). + \param [in] PriorityGroup Used priority group. + \param [out] pPreemptPriority Preemptive priority value (starting from 0). + \param [out] pSubPriority Subpriority value (starting from 0). + */ +__STATIC_INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* const pPreemptPriority, uint32_t* const pSubPriority) +{ + uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL); /* only values 0..7 are used */ + uint32_t PreemptPriorityBits; + uint32_t SubPriorityBits; + + PreemptPriorityBits = ((7UL - PriorityGroupTmp) > (uint32_t)(__NVIC_PRIO_BITS)) ? (uint32_t)(__NVIC_PRIO_BITS) : (uint32_t)(7UL - PriorityGroupTmp); + SubPriorityBits = ((PriorityGroupTmp + (uint32_t)(__NVIC_PRIO_BITS)) < (uint32_t)7UL) ? (uint32_t)0UL : (uint32_t)((PriorityGroupTmp - 7UL) + (uint32_t)(__NVIC_PRIO_BITS)); + + *pPreemptPriority = (Priority >> SubPriorityBits) & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL); + *pSubPriority = (Priority ) & (uint32_t)((1UL << (SubPriorityBits )) - 1UL); +} + + +/** + \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. + If VTOR is not present address 0 must be mapped to SRAM. + \param [in] IRQn Interrupt number + \param [in] vector Address of interrupt handler function + */ +__STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) +{ +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) + uint32_t *vectors = (uint32_t *)SCB->VTOR; +#else + uint32_t *vectors = (uint32_t *)0x0U; +#endif + 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) +{ +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) + uint32_t *vectors = (uint32_t *)SCB->VTOR; +#else + uint32_t *vectors = (uint32_t *)0x0U; +#endif + 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 */ @@ -859,6 +996,38 @@ __STATIC_INLINE void NVIC_SystemReset(void) /*@} end of CMSIS_Core_NVICFunctions */ +/* ########################## MPU functions #################################### */ + +#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U) + +#include "mpu_armv7.h" + +#endif + +/* ########################## 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 ############################################ */ @@ -869,7 +1038,7 @@ __STATIC_INLINE void NVIC_SystemReset(void) @{ */ -#if (__Vendor_SysTickConfig == 0U) +#if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U) /** \brief System Tick Configuration |