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core_cm0plus.h

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00001 /**************************************************************************//**
00002  * @file     core_cm0plus.h
00003  * @brief    CMSIS Cortex-M0+ Core Peripheral Access Layer Header File
00004  * @version  V5.0.4
00005  * @date     10. January 2018
00006  ******************************************************************************/
00007 /*
00008  * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
00009  *
00010  * SPDX-License-Identifier: Apache-2.0
00011  *
00012  * Licensed under the Apache License, Version 2.0 (the License); you may
00013  * not use this file except in compliance with the License.
00014  * You may obtain a copy of the License at
00015  *
00016  * www.apache.org/licenses/LICENSE-2.0
00017  *
00018  * Unless required by applicable law or agreed to in writing, software
00019  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
00020  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00021  * See the License for the specific language governing permissions and
00022  * limitations under the License.
00023  */
00024 
00025 #if   defined ( __ICCARM__ )
00026   #pragma system_include         /* treat file as system include file for MISRA check */
00027 #elif defined (__clang__)
00028   #pragma clang system_header   /* treat file as system include file */
00029 #endif
00030 
00031 #ifndef __CORE_CM0PLUS_H_GENERIC
00032 #define __CORE_CM0PLUS_H_GENERIC
00033 
00034 #include <stdint.h>
00035 
00036 #ifdef __cplusplus
00037  extern "C" {
00038 #endif
00039 
00040 /**
00041   \page CMSIS_MISRA_Exceptions  MISRA-C:2004 Compliance Exceptions
00042   CMSIS violates the following MISRA-C:2004 rules:
00043 
00044    \li Required Rule 8.5, object/function definition in header file.<br>
00045      Function definitions in header files are used to allow 'inlining'.
00046 
00047    \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
00048      Unions are used for effective representation of core registers.
00049 
00050    \li Advisory Rule 19.7, Function-like macro defined.<br>
00051      Function-like macros are used to allow more efficient code.
00052  */
00053 
00054 
00055 /*******************************************************************************
00056  *                 CMSIS definitions
00057  ******************************************************************************/
00058 /**
00059   \ingroup Cortex-M0+
00060   @{
00061  */
00062 
00063 #include "cmsis_version.h"
00064  
00065 /*  CMSIS CM0+ definitions */
00066 #define __CM0PLUS_CMSIS_VERSION_MAIN (__CM_CMSIS_VERSION_MAIN)                  /*!< \deprecated [31:16] CMSIS HAL main version */
00067 #define __CM0PLUS_CMSIS_VERSION_SUB  (__CM_CMSIS_VERSION_SUB)                   /*!< \deprecated [15:0]  CMSIS HAL sub version */
00068 #define __CM0PLUS_CMSIS_VERSION      ((__CM0PLUS_CMSIS_VERSION_MAIN << 16U) | \
00069                                        __CM0PLUS_CMSIS_VERSION_SUB           )  /*!< \deprecated CMSIS HAL version number */
00070 
00071 #define __CORTEX_M                   (0U)                                       /*!< Cortex-M Core */
00072 
00073 /** __FPU_USED indicates whether an FPU is used or not.
00074     This core does not support an FPU at all
00075 */
00076 #define __FPU_USED       0U
00077 
00078 #if defined ( __CC_ARM )
00079   #if defined __TARGET_FPU_VFP
00080     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00081   #endif
00082 
00083 #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
00084   #if defined __ARM_PCS_VFP
00085     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00086   #endif
00087 
00088 #elif defined ( __GNUC__ )
00089   #if defined (__VFP_FP__) && !defined(__SOFTFP__)
00090     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00091   #endif
00092 
00093 #elif defined ( __ICCARM__ )
00094   #if defined __ARMVFP__
00095     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00096   #endif
00097 
00098 #elif defined ( __TI_ARM__ )
00099   #if defined __TI_VFP_SUPPORT__
00100     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00101   #endif
00102 
00103 #elif defined ( __TASKING__ )
00104   #if defined __FPU_VFP__
00105     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00106   #endif
00107 
00108 #elif defined ( __CSMC__ )
00109   #if ( __CSMC__ & 0x400U)
00110     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00111   #endif
00112 
00113 #endif
00114 
00115 #include "cmsis_compiler.h"               /* CMSIS compiler specific defines */
00116 
00117 
00118 #ifdef __cplusplus
00119 }
00120 #endif
00121 
00122 #endif /* __CORE_CM0PLUS_H_GENERIC */
00123 
00124 #ifndef __CMSIS_GENERIC
00125 
00126 #ifndef __CORE_CM0PLUS_H_DEPENDANT
00127 #define __CORE_CM0PLUS_H_DEPENDANT
00128 
00129 #ifdef __cplusplus
00130  extern "C" {
00131 #endif
00132 
00133 /* check device defines and use defaults */
00134 #if defined __CHECK_DEVICE_DEFINES
00135   #ifndef __CM0PLUS_REV
00136     #define __CM0PLUS_REV             0x0000U
00137     #warning "__CM0PLUS_REV not defined in device header file; using default!"
00138   #endif
00139 
00140   #ifndef __MPU_PRESENT
00141     #define __MPU_PRESENT             0U
00142     #warning "__MPU_PRESENT not defined in device header file; using default!"
00143   #endif
00144 
00145   #ifndef __VTOR_PRESENT
00146     #define __VTOR_PRESENT            0U
00147     #warning "__VTOR_PRESENT not defined in device header file; using default!"
00148   #endif
00149 
00150   #ifndef __NVIC_PRIO_BITS
00151     #define __NVIC_PRIO_BITS          2U
00152     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
00153   #endif
00154 
00155   #ifndef __Vendor_SysTickConfig
00156     #define __Vendor_SysTickConfig    0U
00157     #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
00158   #endif
00159 #endif
00160 
00161 /* IO definitions (access restrictions to peripheral registers) */
00162 /**
00163     \defgroup CMSIS_glob_defs CMSIS Global Defines
00164 
00165     <strong>IO Type Qualifiers</strong> are used
00166     \li to specify the access to peripheral variables.
00167     \li for automatic generation of peripheral register debug information.
00168 */
00169 #ifdef __cplusplus
00170   #define   __I     volatile             /*!< Defines 'read only' permissions */
00171 #else
00172   #define   __I     volatile const       /*!< Defines 'read only' permissions */
00173 #endif
00174 #define     __O     volatile             /*!< Defines 'write only' permissions */
00175 #define     __IO    volatile             /*!< Defines 'read / write' permissions */
00176 
00177 /* following defines should be used for structure members */
00178 #define     __IM     volatile const      /*! Defines 'read only' structure member permissions */
00179 #define     __OM     volatile            /*! Defines 'write only' structure member permissions */
00180 #define     __IOM    volatile            /*! Defines 'read / write' structure member permissions */
00181 
00182 /*@} end of group Cortex-M0+ */
00183 
00184 
00185 
00186 /*******************************************************************************
00187  *                 Register Abstraction
00188   Core Register contain:
00189   - Core Register
00190   - Core NVIC Register
00191   - Core SCB Register
00192   - Core SysTick Register
00193   - Core MPU Register
00194  ******************************************************************************/
00195 /**
00196   \defgroup CMSIS_core_register Defines and Type Definitions
00197   \brief Type definitions and defines for Cortex-M processor based devices.
00198 */
00199 
00200 /**
00201   \ingroup    CMSIS_core_register
00202   \defgroup   CMSIS_CORE  Status and Control Registers
00203   \brief      Core Register type definitions.
00204   @{
00205  */
00206 
00207 /**
00208   \brief  Union type to access the Application Program Status Register (APSR).
00209  */
00210 typedef union
00211 {
00212   struct
00213   {
00214     uint32_t _reserved0:28;              /*!< bit:  0..27  Reserved */
00215     uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag */
00216     uint32_t C:1;                        /*!< bit:     29  Carry condition code flag */
00217     uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag */
00218     uint32_t N:1;                        /*!< bit:     31  Negative condition code flag */
00219   } b;                                   /*!< Structure used for bit  access */
00220   uint32_t w;                            /*!< Type      used for word access */
00221 } APSR_Type;
00222 
00223 /* APSR Register Definitions */
00224 #define APSR_N_Pos                         31U                                            /*!< APSR: N Position */
00225 #define APSR_N_Msk                         (1UL << APSR_N_Pos)                            /*!< APSR: N Mask */
00226 
00227 #define APSR_Z_Pos                         30U                                            /*!< APSR: Z Position */
00228 #define APSR_Z_Msk                         (1UL << APSR_Z_Pos)                            /*!< APSR: Z Mask */
00229 
00230 #define APSR_C_Pos                         29U                                            /*!< APSR: C Position */
00231 #define APSR_C_Msk                         (1UL << APSR_C_Pos)                            /*!< APSR: C Mask */
00232 
00233 #define APSR_V_Pos                         28U                                            /*!< APSR: V Position */
00234 #define APSR_V_Msk                         (1UL << APSR_V_Pos)                            /*!< APSR: V Mask */
00235 
00236 
00237 /**
00238   \brief  Union type to access the Interrupt Program Status Register (IPSR).
00239  */
00240 typedef union
00241 {
00242   struct
00243   {
00244     uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number */
00245     uint32_t _reserved0:23;              /*!< bit:  9..31  Reserved */
00246   } b;                                   /*!< Structure used for bit  access */
00247   uint32_t w;                            /*!< Type      used for word access */
00248 } IPSR_Type;
00249 
00250 /* IPSR Register Definitions */
00251 #define IPSR_ISR_Pos                        0U                                            /*!< IPSR: ISR Position */
00252 #define IPSR_ISR_Msk                       (0x1FFUL /*<< IPSR_ISR_Pos*/)                  /*!< IPSR: ISR Mask */
00253 
00254 
00255 /**
00256   \brief  Union type to access the Special-Purpose Program Status Registers (xPSR).
00257  */
00258 typedef union
00259 {
00260   struct
00261   {
00262     uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number */
00263     uint32_t _reserved0:15;              /*!< bit:  9..23  Reserved */
00264     uint32_t T:1;                        /*!< bit:     24  Thumb bit        (read 0) */
00265     uint32_t _reserved1:3;               /*!< bit: 25..27  Reserved */
00266     uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag */
00267     uint32_t C:1;                        /*!< bit:     29  Carry condition code flag */
00268     uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag */
00269     uint32_t N:1;                        /*!< bit:     31  Negative condition code flag */
00270   } b;                                   /*!< Structure used for bit  access */
00271   uint32_t w;                            /*!< Type      used for word access */
00272 } xPSR_Type;
00273 
00274 /* xPSR Register Definitions */
00275 #define xPSR_N_Pos                         31U                                            /*!< xPSR: N Position */
00276 #define xPSR_N_Msk                         (1UL << xPSR_N_Pos)                            /*!< xPSR: N Mask */
00277 
00278 #define xPSR_Z_Pos                         30U                                            /*!< xPSR: Z Position */
00279 #define xPSR_Z_Msk                         (1UL << xPSR_Z_Pos)                            /*!< xPSR: Z Mask */
00280 
00281 #define xPSR_C_Pos                         29U                                            /*!< xPSR: C Position */
00282 #define xPSR_C_Msk                         (1UL << xPSR_C_Pos)                            /*!< xPSR: C Mask */
00283 
00284 #define xPSR_V_Pos                         28U                                            /*!< xPSR: V Position */
00285 #define xPSR_V_Msk                         (1UL << xPSR_V_Pos)                            /*!< xPSR: V Mask */
00286 
00287 #define xPSR_T_Pos                         24U                                            /*!< xPSR: T Position */
00288 #define xPSR_T_Msk                         (1UL << xPSR_T_Pos)                            /*!< xPSR: T Mask */
00289 
00290 #define xPSR_ISR_Pos                        0U                                            /*!< xPSR: ISR Position */
00291 #define xPSR_ISR_Msk                       (0x1FFUL /*<< xPSR_ISR_Pos*/)                  /*!< xPSR: ISR Mask */
00292 
00293 
00294 /**
00295   \brief  Union type to access the Control Registers (CONTROL).
00296  */
00297 typedef union
00298 {
00299   struct
00300   {
00301     uint32_t nPRIV:1;                    /*!< bit:      0  Execution privilege in Thread mode */
00302     uint32_t SPSEL:1;                    /*!< bit:      1  Stack to be used */
00303     uint32_t _reserved1:30;              /*!< bit:  2..31  Reserved */
00304   } b;                                   /*!< Structure used for bit  access */
00305   uint32_t w;                            /*!< Type      used for word access */
00306 } CONTROL_Type;
00307 
00308 /* CONTROL Register Definitions */
00309 #define CONTROL_SPSEL_Pos                   1U                                            /*!< CONTROL: SPSEL Position */
00310 #define CONTROL_SPSEL_Msk                  (1UL << CONTROL_SPSEL_Pos)                     /*!< CONTROL: SPSEL Mask */
00311 
00312 #define CONTROL_nPRIV_Pos                   0U                                            /*!< CONTROL: nPRIV Position */
00313 #define CONTROL_nPRIV_Msk                  (1UL /*<< CONTROL_nPRIV_Pos*/)                 /*!< CONTROL: nPRIV Mask */
00314 
00315 /*@} end of group CMSIS_CORE */
00316 
00317 
00318 /**
00319   \ingroup    CMSIS_core_register
00320   \defgroup   CMSIS_NVIC  Nested Vectored Interrupt Controller (NVIC)
00321   \brief      Type definitions for the NVIC Registers
00322   @{
00323  */
00324 
00325 /**
00326   \brief  Structure type to access the Nested Vectored Interrupt Controller (NVIC).
00327  */
00328 typedef struct
00329 {
00330   __IOM uint32_t ISER[1U];               /*!< Offset: 0x000 (R/W)  Interrupt Set Enable Register */
00331         uint32_t RESERVED0[31U];
00332   __IOM uint32_t ICER[1U];               /*!< Offset: 0x080 (R/W)  Interrupt Clear Enable Register */
00333         uint32_t RSERVED1[31U];
00334   __IOM uint32_t ISPR[1U];               /*!< Offset: 0x100 (R/W)  Interrupt Set Pending Register */
00335         uint32_t RESERVED2[31U];
00336   __IOM uint32_t ICPR[1U];               /*!< Offset: 0x180 (R/W)  Interrupt Clear Pending Register */
00337         uint32_t RESERVED3[31U];
00338         uint32_t RESERVED4[64U];
00339   __IOM uint32_t IP[8U];                 /*!< Offset: 0x300 (R/W)  Interrupt Priority Register */
00340 }  NVIC_Type;
00341 
00342 /*@} end of group CMSIS_NVIC */
00343 
00344 
00345 /**
00346   \ingroup  CMSIS_core_register
00347   \defgroup CMSIS_SCB     System Control Block (SCB)
00348   \brief    Type definitions for the System Control Block Registers
00349   @{
00350  */
00351 
00352 /**
00353   \brief  Structure type to access the System Control Block (SCB).
00354  */
00355 typedef struct
00356 {
00357   __IM  uint32_t CPUID;                  /*!< Offset: 0x000 (R/ )  CPUID Base Register */
00358   __IOM uint32_t ICSR;                   /*!< Offset: 0x004 (R/W)  Interrupt Control and State Register */
00359 #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
00360   __IOM uint32_t VTOR;                   /*!< Offset: 0x008 (R/W)  Vector Table Offset Register */
00361 #else
00362         uint32_t RESERVED0;
00363 #endif
00364   __IOM uint32_t AIRCR;                  /*!< Offset: 0x00C (R/W)  Application Interrupt and Reset Control Register */
00365   __IOM uint32_t SCR;                    /*!< Offset: 0x010 (R/W)  System Control Register */
00366   __IOM uint32_t CCR;                    /*!< Offset: 0x014 (R/W)  Configuration Control Register */
00367         uint32_t RESERVED1;
00368   __IOM uint32_t SHP[2U];                /*!< Offset: 0x01C (R/W)  System Handlers Priority Registers. [0] is RESERVED */
00369   __IOM uint32_t SHCSR;                  /*!< Offset: 0x024 (R/W)  System Handler Control and State Register */
00370 } SCB_Type;
00371 
00372 /* SCB CPUID Register Definitions */
00373 #define SCB_CPUID_IMPLEMENTER_Pos          24U                                            /*!< SCB CPUID: IMPLEMENTER Position */
00374 #define SCB_CPUID_IMPLEMENTER_Msk          (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos)          /*!< SCB CPUID: IMPLEMENTER Mask */
00375 
00376 #define SCB_CPUID_VARIANT_Pos              20U                                            /*!< SCB CPUID: VARIANT Position */
00377 #define SCB_CPUID_VARIANT_Msk              (0xFUL << SCB_CPUID_VARIANT_Pos)               /*!< SCB CPUID: VARIANT Mask */
00378 
00379 #define SCB_CPUID_ARCHITECTURE_Pos         16U                                            /*!< SCB CPUID: ARCHITECTURE Position */
00380 #define SCB_CPUID_ARCHITECTURE_Msk         (0xFUL << SCB_CPUID_ARCHITECTURE_Pos)          /*!< SCB CPUID: ARCHITECTURE Mask */
00381 
00382 #define SCB_CPUID_PARTNO_Pos                4U                                            /*!< SCB CPUID: PARTNO Position */
00383 #define SCB_CPUID_PARTNO_Msk               (0xFFFUL << SCB_CPUID_PARTNO_Pos)              /*!< SCB CPUID: PARTNO Mask */
00384 
00385 #define SCB_CPUID_REVISION_Pos              0U                                            /*!< SCB CPUID: REVISION Position */
00386 #define SCB_CPUID_REVISION_Msk             (0xFUL /*<< SCB_CPUID_REVISION_Pos*/)          /*!< SCB CPUID: REVISION Mask */
00387 
00388 /* SCB Interrupt Control State Register Definitions */
00389 #define SCB_ICSR_NMIPENDSET_Pos            31U                                            /*!< SCB ICSR: NMIPENDSET Position */
00390 #define SCB_ICSR_NMIPENDSET_Msk            (1UL << SCB_ICSR_NMIPENDSET_Pos)               /*!< SCB ICSR: NMIPENDSET Mask */
00391 
00392 #define SCB_ICSR_PENDSVSET_Pos             28U                                            /*!< SCB ICSR: PENDSVSET Position */
00393 #define SCB_ICSR_PENDSVSET_Msk             (1UL << SCB_ICSR_PENDSVSET_Pos)                /*!< SCB ICSR: PENDSVSET Mask */
00394 
00395 #define SCB_ICSR_PENDSVCLR_Pos             27U                                            /*!< SCB ICSR: PENDSVCLR Position */
00396 #define SCB_ICSR_PENDSVCLR_Msk             (1UL << SCB_ICSR_PENDSVCLR_Pos)                /*!< SCB ICSR: PENDSVCLR Mask */
00397 
00398 #define SCB_ICSR_PENDSTSET_Pos             26U                                            /*!< SCB ICSR: PENDSTSET Position */
00399 #define SCB_ICSR_PENDSTSET_Msk             (1UL << SCB_ICSR_PENDSTSET_Pos)                /*!< SCB ICSR: PENDSTSET Mask */
00400 
00401 #define SCB_ICSR_PENDSTCLR_Pos             25U                                            /*!< SCB ICSR: PENDSTCLR Position */
00402 #define SCB_ICSR_PENDSTCLR_Msk             (1UL << SCB_ICSR_PENDSTCLR_Pos)                /*!< SCB ICSR: PENDSTCLR Mask */
00403 
00404 #define SCB_ICSR_ISRPREEMPT_Pos            23U                                            /*!< SCB ICSR: ISRPREEMPT Position */
00405 #define SCB_ICSR_ISRPREEMPT_Msk            (1UL << SCB_ICSR_ISRPREEMPT_Pos)               /*!< SCB ICSR: ISRPREEMPT Mask */
00406 
00407 #define SCB_ICSR_ISRPENDING_Pos            22U                                            /*!< SCB ICSR: ISRPENDING Position */
00408 #define SCB_ICSR_ISRPENDING_Msk            (1UL << SCB_ICSR_ISRPENDING_Pos)               /*!< SCB ICSR: ISRPENDING Mask */
00409 
00410 #define SCB_ICSR_VECTPENDING_Pos           12U                                            /*!< SCB ICSR: VECTPENDING Position */
00411 #define SCB_ICSR_VECTPENDING_Msk           (0x1FFUL << SCB_ICSR_VECTPENDING_Pos)          /*!< SCB ICSR: VECTPENDING Mask */
00412 
00413 #define SCB_ICSR_VECTACTIVE_Pos             0U                                            /*!< SCB ICSR: VECTACTIVE Position */
00414 #define SCB_ICSR_VECTACTIVE_Msk            (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/)       /*!< SCB ICSR: VECTACTIVE Mask */
00415 
00416 #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
00417 /* SCB Interrupt Control State Register Definitions */
00418 #define SCB_VTOR_TBLOFF_Pos                 8U                                            /*!< SCB VTOR: TBLOFF Position */
00419 #define SCB_VTOR_TBLOFF_Msk                (0xFFFFFFUL << SCB_VTOR_TBLOFF_Pos)            /*!< SCB VTOR: TBLOFF Mask */
00420 #endif
00421 
00422 /* SCB Application Interrupt and Reset Control Register Definitions */
00423 #define SCB_AIRCR_VECTKEY_Pos              16U                                            /*!< SCB AIRCR: VECTKEY Position */
00424 #define SCB_AIRCR_VECTKEY_Msk              (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos)            /*!< SCB AIRCR: VECTKEY Mask */
00425 
00426 #define SCB_AIRCR_VECTKEYSTAT_Pos          16U                                            /*!< SCB AIRCR: VECTKEYSTAT Position */
00427 #define SCB_AIRCR_VECTKEYSTAT_Msk          (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos)        /*!< SCB AIRCR: VECTKEYSTAT Mask */
00428 
00429 #define SCB_AIRCR_ENDIANESS_Pos            15U                                            /*!< SCB AIRCR: ENDIANESS Position */
00430 #define SCB_AIRCR_ENDIANESS_Msk            (1UL << SCB_AIRCR_ENDIANESS_Pos)               /*!< SCB AIRCR: ENDIANESS Mask */
00431 
00432 #define SCB_AIRCR_SYSRESETREQ_Pos           2U                                            /*!< SCB AIRCR: SYSRESETREQ Position */
00433 #define SCB_AIRCR_SYSRESETREQ_Msk          (1UL << SCB_AIRCR_SYSRESETREQ_Pos)             /*!< SCB AIRCR: SYSRESETREQ Mask */
00434 
00435 #define SCB_AIRCR_VECTCLRACTIVE_Pos         1U                                            /*!< SCB AIRCR: VECTCLRACTIVE Position */
00436 #define SCB_AIRCR_VECTCLRACTIVE_Msk        (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos)           /*!< SCB AIRCR: VECTCLRACTIVE Mask */
00437 
00438 /* SCB System Control Register Definitions */
00439 #define SCB_SCR_SEVONPEND_Pos               4U                                            /*!< SCB SCR: SEVONPEND Position */
00440 #define SCB_SCR_SEVONPEND_Msk              (1UL << SCB_SCR_SEVONPEND_Pos)                 /*!< SCB SCR: SEVONPEND Mask */
00441 
00442 #define SCB_SCR_SLEEPDEEP_Pos               2U                                            /*!< SCB SCR: SLEEPDEEP Position */
00443 #define SCB_SCR_SLEEPDEEP_Msk              (1UL << SCB_SCR_SLEEPDEEP_Pos)                 /*!< SCB SCR: SLEEPDEEP Mask */
00444 
00445 #define SCB_SCR_SLEEPONEXIT_Pos             1U                                            /*!< SCB SCR: SLEEPONEXIT Position */
00446 #define SCB_SCR_SLEEPONEXIT_Msk            (1UL << SCB_SCR_SLEEPONEXIT_Pos)               /*!< SCB SCR: SLEEPONEXIT Mask */
00447 
00448 /* SCB Configuration Control Register Definitions */
00449 #define SCB_CCR_STKALIGN_Pos                9U                                            /*!< SCB CCR: STKALIGN Position */
00450 #define SCB_CCR_STKALIGN_Msk               (1UL << SCB_CCR_STKALIGN_Pos)                  /*!< SCB CCR: STKALIGN Mask */
00451 
00452 #define SCB_CCR_UNALIGN_TRP_Pos             3U                                            /*!< SCB CCR: UNALIGN_TRP Position */
00453 #define SCB_CCR_UNALIGN_TRP_Msk            (1UL << SCB_CCR_UNALIGN_TRP_Pos)               /*!< SCB CCR: UNALIGN_TRP Mask */
00454 
00455 /* SCB System Handler Control and State Register Definitions */
00456 #define SCB_SHCSR_SVCALLPENDED_Pos         15U                                            /*!< SCB SHCSR: SVCALLPENDED Position */
00457 #define SCB_SHCSR_SVCALLPENDED_Msk         (1UL << SCB_SHCSR_SVCALLPENDED_Pos)            /*!< SCB SHCSR: SVCALLPENDED Mask */
00458 
00459 /*@} end of group CMSIS_SCB */
00460 
00461 
00462 /**
00463   \ingroup  CMSIS_core_register
00464   \defgroup CMSIS_SysTick     System Tick Timer (SysTick)
00465   \brief    Type definitions for the System Timer Registers.
00466   @{
00467  */
00468 
00469 /**
00470   \brief  Structure type to access the System Timer (SysTick).
00471  */
00472 typedef struct
00473 {
00474   __IOM uint32_t CTRL;                   /*!< Offset: 0x000 (R/W)  SysTick Control and Status Register */
00475   __IOM uint32_t LOAD;                   /*!< Offset: 0x004 (R/W)  SysTick Reload Value Register */
00476   __IOM uint32_t VAL;                    /*!< Offset: 0x008 (R/W)  SysTick Current Value Register */
00477   __IM  uint32_t CALIB;                  /*!< Offset: 0x00C (R/ )  SysTick Calibration Register */
00478 } SysTick_Type;
00479 
00480 /* SysTick Control / Status Register Definitions */
00481 #define SysTick_CTRL_COUNTFLAG_Pos         16U                                            /*!< SysTick CTRL: COUNTFLAG Position */
00482 #define SysTick_CTRL_COUNTFLAG_Msk         (1UL << SysTick_CTRL_COUNTFLAG_Pos)            /*!< SysTick CTRL: COUNTFLAG Mask */
00483 
00484 #define SysTick_CTRL_CLKSOURCE_Pos          2U                                            /*!< SysTick CTRL: CLKSOURCE Position */
00485 #define SysTick_CTRL_CLKSOURCE_Msk         (1UL << SysTick_CTRL_CLKSOURCE_Pos)            /*!< SysTick CTRL: CLKSOURCE Mask */
00486 
00487 #define SysTick_CTRL_TICKINT_Pos            1U                                            /*!< SysTick CTRL: TICKINT Position */
00488 #define SysTick_CTRL_TICKINT_Msk           (1UL << SysTick_CTRL_TICKINT_Pos)              /*!< SysTick CTRL: TICKINT Mask */
00489 
00490 #define SysTick_CTRL_ENABLE_Pos             0U                                            /*!< SysTick CTRL: ENABLE Position */
00491 #define SysTick_CTRL_ENABLE_Msk            (1UL /*<< SysTick_CTRL_ENABLE_Pos*/)           /*!< SysTick CTRL: ENABLE Mask */
00492 
00493 /* SysTick Reload Register Definitions */
00494 #define SysTick_LOAD_RELOAD_Pos             0U                                            /*!< SysTick LOAD: RELOAD Position */
00495 #define SysTick_LOAD_RELOAD_Msk            (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/)    /*!< SysTick LOAD: RELOAD Mask */
00496 
00497 /* SysTick Current Register Definitions */
00498 #define SysTick_VAL_CURRENT_Pos             0U                                            /*!< SysTick VAL: CURRENT Position */
00499 #define SysTick_VAL_CURRENT_Msk            (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/)    /*!< SysTick VAL: CURRENT Mask */
00500 
00501 /* SysTick Calibration Register Definitions */
00502 #define SysTick_CALIB_NOREF_Pos            31U                                            /*!< SysTick CALIB: NOREF Position */
00503 #define SysTick_CALIB_NOREF_Msk            (1UL << SysTick_CALIB_NOREF_Pos)               /*!< SysTick CALIB: NOREF Mask */
00504 
00505 #define SysTick_CALIB_SKEW_Pos             30U                                            /*!< SysTick CALIB: SKEW Position */
00506 #define SysTick_CALIB_SKEW_Msk             (1UL << SysTick_CALIB_SKEW_Pos)                /*!< SysTick CALIB: SKEW Mask */
00507 
00508 #define SysTick_CALIB_TENMS_Pos             0U                                            /*!< SysTick CALIB: TENMS Position */
00509 #define SysTick_CALIB_TENMS_Msk            (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/)    /*!< SysTick CALIB: TENMS Mask */
00510 
00511 /*@} end of group CMSIS_SysTick */
00512 
00513 #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
00514 /**
00515   \ingroup  CMSIS_core_register
00516   \defgroup CMSIS_MPU     Memory Protection Unit (MPU)
00517   \brief    Type definitions for the Memory Protection Unit (MPU)
00518   @{
00519  */
00520 
00521 /**
00522   \brief  Structure type to access the Memory Protection Unit (MPU).
00523  */
00524 typedef struct
00525 {
00526   __IM  uint32_t TYPE;                   /*!< Offset: 0x000 (R/ )  MPU Type Register */
00527   __IOM uint32_t CTRL;                   /*!< Offset: 0x004 (R/W)  MPU Control Register */
00528   __IOM uint32_t RNR;                    /*!< Offset: 0x008 (R/W)  MPU Region RNRber Register */
00529   __IOM uint32_t RBAR;                   /*!< Offset: 0x00C (R/W)  MPU Region Base Address Register */
00530   __IOM uint32_t RASR;                   /*!< Offset: 0x010 (R/W)  MPU Region Attribute and Size Register */
00531 } MPU_Type;
00532 
00533 #define MPU_TYPE_RALIASES                  1U
00534 
00535 /* MPU Type Register Definitions */
00536 #define MPU_TYPE_IREGION_Pos               16U                                            /*!< MPU TYPE: IREGION Position */
00537 #define MPU_TYPE_IREGION_Msk               (0xFFUL << MPU_TYPE_IREGION_Pos)               /*!< MPU TYPE: IREGION Mask */
00538 
00539 #define MPU_TYPE_DREGION_Pos                8U                                            /*!< MPU TYPE: DREGION Position */
00540 #define MPU_TYPE_DREGION_Msk               (0xFFUL << MPU_TYPE_DREGION_Pos)               /*!< MPU TYPE: DREGION Mask */
00541 
00542 #define MPU_TYPE_SEPARATE_Pos               0U                                            /*!< MPU TYPE: SEPARATE Position */
00543 #define MPU_TYPE_SEPARATE_Msk              (1UL /*<< MPU_TYPE_SEPARATE_Pos*/)             /*!< MPU TYPE: SEPARATE Mask */
00544 
00545 /* MPU Control Register Definitions */
00546 #define MPU_CTRL_PRIVDEFENA_Pos             2U                                            /*!< MPU CTRL: PRIVDEFENA Position */
00547 #define MPU_CTRL_PRIVDEFENA_Msk            (1UL << MPU_CTRL_PRIVDEFENA_Pos)               /*!< MPU CTRL: PRIVDEFENA Mask */
00548 
00549 #define MPU_CTRL_HFNMIENA_Pos               1U                                            /*!< MPU CTRL: HFNMIENA Position */
00550 #define MPU_CTRL_HFNMIENA_Msk              (1UL << MPU_CTRL_HFNMIENA_Pos)                 /*!< MPU CTRL: HFNMIENA Mask */
00551 
00552 #define MPU_CTRL_ENABLE_Pos                 0U                                            /*!< MPU CTRL: ENABLE Position */
00553 #define MPU_CTRL_ENABLE_Msk                (1UL /*<< MPU_CTRL_ENABLE_Pos*/)               /*!< MPU CTRL: ENABLE Mask */
00554 
00555 /* MPU Region Number Register Definitions */
00556 #define MPU_RNR_REGION_Pos                  0U                                            /*!< MPU RNR: REGION Position */
00557 #define MPU_RNR_REGION_Msk                 (0xFFUL /*<< MPU_RNR_REGION_Pos*/)             /*!< MPU RNR: REGION Mask */
00558 
00559 /* MPU Region Base Address Register Definitions */
00560 #define MPU_RBAR_ADDR_Pos                   8U                                            /*!< MPU RBAR: ADDR Position */
00561 #define MPU_RBAR_ADDR_Msk                  (0xFFFFFFUL << MPU_RBAR_ADDR_Pos)              /*!< MPU RBAR: ADDR Mask */
00562 
00563 #define MPU_RBAR_VALID_Pos                  4U                                            /*!< MPU RBAR: VALID Position */
00564 #define MPU_RBAR_VALID_Msk                 (1UL << MPU_RBAR_VALID_Pos)                    /*!< MPU RBAR: VALID Mask */
00565 
00566 #define MPU_RBAR_REGION_Pos                 0U                                            /*!< MPU RBAR: REGION Position */
00567 #define MPU_RBAR_REGION_Msk                (0xFUL /*<< MPU_RBAR_REGION_Pos*/)             /*!< MPU RBAR: REGION Mask */
00568 
00569 /* MPU Region Attribute and Size Register Definitions */
00570 #define MPU_RASR_ATTRS_Pos                 16U                                            /*!< MPU RASR: MPU Region Attribute field Position */
00571 #define MPU_RASR_ATTRS_Msk                 (0xFFFFUL << MPU_RASR_ATTRS_Pos)               /*!< MPU RASR: MPU Region Attribute field Mask */
00572 
00573 #define MPU_RASR_XN_Pos                    28U                                            /*!< MPU RASR: ATTRS.XN Position */
00574 #define MPU_RASR_XN_Msk                    (1UL << MPU_RASR_XN_Pos)                       /*!< MPU RASR: ATTRS.XN Mask */
00575 
00576 #define MPU_RASR_AP_Pos                    24U                                            /*!< MPU RASR: ATTRS.AP Position */
00577 #define MPU_RASR_AP_Msk                    (0x7UL << MPU_RASR_AP_Pos)                     /*!< MPU RASR: ATTRS.AP Mask */
00578 
00579 #define MPU_RASR_TEX_Pos                   19U                                            /*!< MPU RASR: ATTRS.TEX Position */
00580 #define MPU_RASR_TEX_Msk                   (0x7UL << MPU_RASR_TEX_Pos)                    /*!< MPU RASR: ATTRS.TEX Mask */
00581 
00582 #define MPU_RASR_S_Pos                     18U                                            /*!< MPU RASR: ATTRS.S Position */
00583 #define MPU_RASR_S_Msk                     (1UL << MPU_RASR_S_Pos)                        /*!< MPU RASR: ATTRS.S Mask */
00584 
00585 #define MPU_RASR_C_Pos                     17U                                            /*!< MPU RASR: ATTRS.C Position */
00586 #define MPU_RASR_C_Msk                     (1UL << MPU_RASR_C_Pos)                        /*!< MPU RASR: ATTRS.C Mask */
00587 
00588 #define MPU_RASR_B_Pos                     16U                                            /*!< MPU RASR: ATTRS.B Position */
00589 #define MPU_RASR_B_Msk                     (1UL << MPU_RASR_B_Pos)                        /*!< MPU RASR: ATTRS.B Mask */
00590 
00591 #define MPU_RASR_SRD_Pos                    8U                                            /*!< MPU RASR: Sub-Region Disable Position */
00592 #define MPU_RASR_SRD_Msk                   (0xFFUL << MPU_RASR_SRD_Pos)                   /*!< MPU RASR: Sub-Region Disable Mask */
00593 
00594 #define MPU_RASR_SIZE_Pos                   1U                                            /*!< MPU RASR: Region Size Field Position */
00595 #define MPU_RASR_SIZE_Msk                  (0x1FUL << MPU_RASR_SIZE_Pos)                  /*!< MPU RASR: Region Size Field Mask */
00596 
00597 #define MPU_RASR_ENABLE_Pos                 0U                                            /*!< MPU RASR: Region enable bit Position */
00598 #define MPU_RASR_ENABLE_Msk                (1UL /*<< MPU_RASR_ENABLE_Pos*/)               /*!< MPU RASR: Region enable bit Disable Mask */
00599 
00600 /*@} end of group CMSIS_MPU */
00601 #endif
00602 
00603 
00604 /**
00605   \ingroup  CMSIS_core_register
00606   \defgroup CMSIS_CoreDebug       Core Debug Registers (CoreDebug)
00607   \brief    Cortex-M0+ Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor.
00608             Therefore they are not covered by the Cortex-M0+ header file.
00609   @{
00610  */
00611 /*@} end of group CMSIS_CoreDebug */
00612 
00613 
00614 /**
00615   \ingroup    CMSIS_core_register
00616   \defgroup   CMSIS_core_bitfield     Core register bit field macros
00617   \brief      Macros for use with bit field definitions (xxx_Pos, xxx_Msk).
00618   @{
00619  */
00620 
00621 /**
00622   \brief   Mask and shift a bit field value for use in a register bit range.
00623   \param[in] field  Name of the register bit field.
00624   \param[in] value  Value of the bit field. This parameter is interpreted as an uint32_t type.
00625   \return           Masked and shifted value.
00626 */
00627 #define _VAL2FLD(field, value)    (((uint32_t)(value) << field ## _Pos) & field ## _Msk)
00628 
00629 /**
00630   \brief     Mask and shift a register value to extract a bit filed value.
00631   \param[in] field  Name of the register bit field.
00632   \param[in] value  Value of register. This parameter is interpreted as an uint32_t type.
00633   \return           Masked and shifted bit field value.
00634 */
00635 #define _FLD2VAL(field, value)    (((uint32_t)(value) & field ## _Msk) >> field ## _Pos)
00636 
00637 /*@} end of group CMSIS_core_bitfield */
00638 
00639 
00640 /**
00641   \ingroup    CMSIS_core_register
00642   \defgroup   CMSIS_core_base     Core Definitions
00643   \brief      Definitions for base addresses, unions, and structures.
00644   @{
00645  */
00646 
00647 /* Memory mapping of Core Hardware */
00648 #define SCS_BASE            (0xE000E000UL)                            /*!< System Control Space Base Address */
00649 #define SysTick_BASE        (SCS_BASE +  0x0010UL)                    /*!< SysTick Base Address */
00650 #define NVIC_BASE           (SCS_BASE +  0x0100UL)                    /*!< NVIC Base Address */
00651 #define SCB_BASE            (SCS_BASE +  0x0D00UL)                    /*!< System Control Block Base Address */
00652 
00653 #define SCB                 ((SCB_Type       *)     SCB_BASE      )   /*!< SCB configuration struct */
00654 #define SysTick             ((SysTick_Type   *)     SysTick_BASE  )   /*!< SysTick configuration struct */
00655 #define NVIC                ((NVIC_Type      *)     NVIC_BASE     )   /*!< NVIC configuration struct */
00656 
00657 #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
00658   #define MPU_BASE          (SCS_BASE +  0x0D90UL)                    /*!< Memory Protection Unit */
00659   #define MPU               ((MPU_Type       *)     MPU_BASE      )   /*!< Memory Protection Unit */
00660 #endif
00661 
00662 /*@} */
00663 
00664 
00665 
00666 /*******************************************************************************
00667  *                Hardware Abstraction Layer
00668   Core Function Interface contains:
00669   - Core NVIC Functions
00670   - Core SysTick Functions
00671   - Core Register Access Functions
00672  ******************************************************************************/
00673 /**
00674   \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
00675 */
00676 
00677 
00678 
00679 /* ##########################   NVIC functions  #################################### */
00680 /**
00681   \ingroup  CMSIS_Core_FunctionInterface
00682   \defgroup CMSIS_Core_NVICFunctions NVIC Functions
00683   \brief    Functions that manage interrupts and exceptions via the NVIC.
00684   @{
00685  */
00686 
00687 #ifdef CMSIS_NVIC_VIRTUAL
00688   #ifndef CMSIS_NVIC_VIRTUAL_HEADER_FILE
00689     #define CMSIS_NVIC_VIRTUAL_HEADER_FILE "cmsis_nvic_virtual.h"
00690   #endif
00691   #include CMSIS_NVIC_VIRTUAL_HEADER_FILE
00692 #else
00693 /*#define NVIC_SetPriorityGrouping    __NVIC_SetPriorityGrouping   not available for Cortex-M0+ */
00694 /*#define NVIC_GetPriorityGrouping    __NVIC_GetPriorityGrouping   not available for Cortex-M0+ */
00695   #define NVIC_EnableIRQ              __NVIC_EnableIRQ
00696   #define NVIC_GetEnableIRQ           __NVIC_GetEnableIRQ
00697   #define NVIC_DisableIRQ             __NVIC_DisableIRQ
00698   #define NVIC_GetPendingIRQ          __NVIC_GetPendingIRQ
00699   #define NVIC_SetPendingIRQ          __NVIC_SetPendingIRQ
00700   #define NVIC_ClearPendingIRQ        __NVIC_ClearPendingIRQ
00701 /*#define NVIC_GetActive              __NVIC_GetActive             not available for Cortex-M0+ */
00702   #define NVIC_SetPriority            __NVIC_SetPriority
00703   #define NVIC_GetPriority            __NVIC_GetPriority
00704   #define NVIC_SystemReset            __NVIC_SystemReset
00705 #endif /* CMSIS_NVIC_VIRTUAL */
00706 
00707 #ifdef CMSIS_VECTAB_VIRTUAL
00708   #ifndef CMSIS_VECTAB_VIRTUAL_HEADER_FILE
00709     #define CMSIS_VECTAB_VIRTUAL_HEADER_FILE "cmsis_vectab_virtual.h"
00710   #endif
00711   #include CMSIS_VECTAB_VIRTUAL_HEADER_FILE
00712 #else
00713   #define NVIC_SetVector              __NVIC_SetVector
00714   #define NVIC_GetVector              __NVIC_GetVector
00715 #endif  /* (CMSIS_VECTAB_VIRTUAL) */
00716 
00717 #define NVIC_USER_IRQ_OFFSET          16
00718 
00719 
00720 /* Interrupt Priorities are WORD accessible only under Armv6-M                  */
00721 /* The following MACROS handle generation of the register offset and byte masks */
00722 #define _BIT_SHIFT(IRQn)         (  ((((uint32_t)(int32_t)(IRQn))         )      &  0x03UL) * 8UL)
00723 #define _SHP_IDX(IRQn)           ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >>    2UL)      )
00724 #define _IP_IDX(IRQn)            (   (((uint32_t)(int32_t)(IRQn))                >>    2UL)      )
00725 
00726 
00727 /**
00728   \brief   Enable Interrupt
00729   \details Enables a device specific interrupt in the NVIC interrupt controller.
00730   \param [in]      IRQn  Device specific interrupt number.
00731   \note    IRQn must not be negative.
00732  */
00733 __STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn)
00734 {
00735   if ((int32_t)(IRQn) >= 0)
00736   {
00737     NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
00738   }
00739 }
00740 
00741 
00742 /**
00743   \brief   Get Interrupt Enable status
00744   \details Returns a device specific interrupt enable status from the NVIC interrupt controller.
00745   \param [in]      IRQn  Device specific interrupt number.
00746   \return             0  Interrupt is not enabled.
00747   \return             1  Interrupt is enabled.
00748   \note    IRQn must not be negative.
00749  */
00750 __STATIC_INLINE uint32_t __NVIC_GetEnableIRQ(IRQn_Type IRQn)
00751 {
00752   if ((int32_t)(IRQn) >= 0)
00753   {
00754     return((uint32_t)(((NVIC->ISER[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
00755   }
00756   else
00757   {
00758     return(0U);
00759   }
00760 }
00761 
00762 
00763 /**
00764   \brief   Disable Interrupt
00765   \details Disables a device specific interrupt in the NVIC interrupt controller.
00766   \param [in]      IRQn  Device specific interrupt number.
00767   \note    IRQn must not be negative.
00768  */
00769 __STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn)
00770 {
00771   if ((int32_t)(IRQn) >= 0)
00772   {
00773     NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
00774     __DSB();
00775     __ISB();
00776   }
00777 }
00778 
00779 
00780 /**
00781   \brief   Get Pending Interrupt
00782   \details Reads the NVIC pending register and returns the pending bit for the specified device specific interrupt.
00783   \param [in]      IRQn  Device specific interrupt number.
00784   \return             0  Interrupt status is not pending.
00785   \return             1  Interrupt status is pending.
00786   \note    IRQn must not be negative.
00787  */
00788 __STATIC_INLINE uint32_t __NVIC_GetPendingIRQ(IRQn_Type IRQn)
00789 {
00790   if ((int32_t)(IRQn) >= 0)
00791   {
00792     return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
00793   }
00794   else
00795   {
00796     return(0U);
00797   }
00798 }
00799 
00800 
00801 /**
00802   \brief   Set Pending Interrupt
00803   \details Sets the pending bit of a device specific interrupt in the NVIC pending register.
00804   \param [in]      IRQn  Device specific interrupt number.
00805   \note    IRQn must not be negative.
00806  */
00807 __STATIC_INLINE void __NVIC_SetPendingIRQ(IRQn_Type IRQn)
00808 {
00809   if ((int32_t)(IRQn) >= 0)
00810   {
00811     NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
00812   }
00813 }
00814 
00815 
00816 /**
00817   \brief   Clear Pending Interrupt
00818   \details Clears the pending bit of a device specific interrupt in the NVIC pending register.
00819   \param [in]      IRQn  Device specific interrupt number.
00820   \note    IRQn must not be negative.
00821  */
00822 __STATIC_INLINE void __NVIC_ClearPendingIRQ(IRQn_Type IRQn)
00823 {
00824   if ((int32_t)(IRQn) >= 0)
00825   {
00826     NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
00827   }
00828 }
00829 
00830 
00831 /**
00832   \brief   Set Interrupt Priority
00833   \details Sets the priority of a device specific interrupt or a processor exception.
00834            The interrupt number can be positive to specify a device specific interrupt,
00835            or negative to specify a processor exception.
00836   \param [in]      IRQn  Interrupt number.
00837   \param [in]  priority  Priority to set.
00838   \note    The priority cannot be set for every processor exception.
00839  */
00840 __STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
00841 {
00842   if ((int32_t)(IRQn) >= 0)
00843   {
00844     NVIC->IP[_IP_IDX(IRQn)]  = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)]  & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
00845        (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
00846   }
00847   else
00848   {
00849     SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
00850        (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
00851   }
00852 }
00853 
00854 
00855 /**
00856   \brief   Get Interrupt Priority
00857   \details Reads the priority of a device specific interrupt or a processor exception.
00858            The interrupt number can be positive to specify a device specific interrupt,
00859            or negative to specify a processor exception.
00860   \param [in]   IRQn  Interrupt number.
00861   \return             Interrupt Priority.
00862                       Value is aligned automatically to the implemented priority bits of the microcontroller.
00863  */
00864 __STATIC_INLINE uint32_t __NVIC_GetPriority(IRQn_Type IRQn)
00865 {
00866 
00867   if ((int32_t)(IRQn) >= 0)
00868   {
00869     return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
00870   }
00871   else
00872   {
00873     return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
00874   }
00875 }
00876 
00877 
00878 /**
00879   \brief   Set Interrupt Vector
00880   \details Sets an interrupt vector in SRAM based interrupt vector table.
00881            The interrupt number can be positive to specify a device specific interrupt,
00882            or negative to specify a processor exception.
00883            VTOR must been relocated to SRAM before.
00884            If VTOR is not present address 0 must be mapped to SRAM.
00885   \param [in]   IRQn      Interrupt number
00886   \param [in]   vector    Address of interrupt handler function
00887  */
00888 __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector)
00889 {
00890 #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
00891   uint32_t *vectors = (uint32_t *)SCB->VTOR;
00892 #else
00893     uint32_t *vectors = (uint32_t *)0x0U;
00894 #endif
00895   vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector;
00896 }
00897 
00898 
00899 /**
00900   \brief   Get Interrupt Vector
00901   \details Reads an interrupt vector from interrupt vector table.
00902            The interrupt number can be positive to specify a device specific interrupt,
00903            or negative to specify a processor exception.
00904   \param [in]   IRQn      Interrupt number.
00905   \return                 Address of interrupt handler function
00906  */
00907 __STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn)
00908 {
00909 #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
00910   uint32_t *vectors = (uint32_t *)SCB->VTOR;
00911 #else
00912   uint32_t *vectors = (uint32_t *)0x0U;
00913 #endif
00914   return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET];
00915 
00916 }
00917 
00918 
00919 /**
00920   \brief   System Reset
00921   \details Initiates a system reset request to reset the MCU.
00922  */
00923 __STATIC_INLINE void __NVIC_SystemReset(void)
00924 {
00925   __DSB();                                                          /* Ensure all outstanding memory accesses included
00926                                                                        buffered write are completed before reset */
00927   SCB->AIRCR  = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
00928                  SCB_AIRCR_SYSRESETREQ_Msk);
00929   __DSB();                                                          /* Ensure completion of memory access */
00930 
00931   for(;;)                                                           /* wait until reset */
00932   {
00933     __NOP();
00934   }
00935 }
00936 
00937 /*@} end of CMSIS_Core_NVICFunctions */
00938 
00939 /* ##########################  MPU functions  #################################### */
00940 
00941 #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
00942 
00943 #include "mpu_armv7.h"
00944 
00945 #endif
00946 
00947 /* ##########################  FPU functions  #################################### */
00948 /**
00949   \ingroup  CMSIS_Core_FunctionInterface
00950   \defgroup CMSIS_Core_FpuFunctions FPU Functions
00951   \brief    Function that provides FPU type.
00952   @{
00953  */
00954 
00955 /**
00956   \brief   get FPU type
00957   \details returns the FPU type
00958   \returns
00959    - \b  0: No FPU
00960    - \b  1: Single precision FPU
00961    - \b  2: Double + Single precision FPU
00962  */
00963 __STATIC_INLINE uint32_t SCB_GetFPUType(void)
00964 {
00965     return 0U;           /* No FPU */
00966 }
00967 
00968 
00969 /*@} end of CMSIS_Core_FpuFunctions */
00970 
00971 
00972 
00973 /* ##################################    SysTick function  ############################################ */
00974 /**
00975   \ingroup  CMSIS_Core_FunctionInterface
00976   \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
00977   \brief    Functions that configure the System.
00978   @{
00979  */
00980 
00981 #if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U)
00982 
00983 /**
00984   \brief   System Tick Configuration
00985   \details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
00986            Counter is in free running mode to generate periodic interrupts.
00987   \param [in]  ticks  Number of ticks between two interrupts.
00988   \return          0  Function succeeded.
00989   \return          1  Function failed.
00990   \note    When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
00991            function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
00992            must contain a vendor-specific implementation of this function.
00993  */
00994 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
00995 {
00996   if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
00997   {
00998     return (1UL);                                                   /* Reload value impossible */
00999   }
01000 
01001   SysTick->LOAD  = (uint32_t)(ticks - 1UL);                         /* set reload register */
01002   NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
01003   SysTick->VAL   = 0UL;                                             /* Load the SysTick Counter Value */
01004   SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
01005                    SysTick_CTRL_TICKINT_Msk   |
01006                    SysTick_CTRL_ENABLE_Msk;                         /* Enable SysTick IRQ and SysTick Timer */
01007   return (0UL);                                                     /* Function successful */
01008 }
01009 
01010 #endif
01011 
01012 /*@} end of CMSIS_Core_SysTickFunctions */
01013 
01014 
01015 
01016 
01017 #ifdef __cplusplus
01018 }
01019 #endif
01020 
01021 #endif /* __CORE_CM0PLUS_H_DEPENDANT */
01022 
01023 #endif /* __CMSIS_GENERIC */
01024