V4.0.1 of the ARM CMSIS DSP libraries. Note that arm_bitreversal2.s, arm_cfft_f32.c and arm_rfft_fast_f32.c had to be removed. arm_bitreversal2.s will not assemble with the online tools. So, the fast f32 FFT functions are not yet available. All the other FFT functions are available.

Dependents:   MPU9150_Example fir_f32 fir_f32 MPU9150_nucleo_noni2cdev ... more

Embed: (wiki syntax)

« Back to documentation index

Show/hide line numbers core_sc000.h Source File

core_sc000.h

Go to the documentation of this file.
00001 /**************************************************************************//**
00002  * @file     core_sc000.h
00003  * @brief    CMSIS SC000 Core Peripheral Access Layer Header File
00004  * @version  V3.30
00005  * @date     06. May 2014
00006  *
00007  * @note
00008  *
00009  ******************************************************************************/
00010 /* Copyright (c) 2009 - 2014 ARM LIMITED
00011 
00012    All rights reserved.
00013    Redistribution and use in source and binary forms, with or without
00014    modification, are permitted provided that the following conditions are met:
00015    - Redistributions of source code must retain the above copyright
00016      notice, this list of conditions and the following disclaimer.
00017    - Redistributions in binary form must reproduce the above copyright
00018      notice, this list of conditions and the following disclaimer in the
00019      documentation and/or other materials provided with the distribution.
00020    - Neither the name of ARM nor the names of its contributors may be used
00021      to endorse or promote products derived from this software without
00022      specific prior written permission.
00023    *
00024    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00025    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00026    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00027    ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
00028    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00029    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00030    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00031    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00032    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00033    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00034    POSSIBILITY OF SUCH DAMAGE.
00035    ---------------------------------------------------------------------------*/
00036 
00037 
00038 #if defined ( __ICCARM__ )
00039  #pragma system_include  /* treat file as system include file for MISRA check */
00040 #endif
00041 
00042 #ifndef __CORE_SC000_H_GENERIC
00043 #define __CORE_SC000_H_GENERIC
00044 
00045 #ifdef __cplusplus
00046  extern "C" {
00047 #endif
00048 
00049 /** \page CMSIS_MISRA_Exceptions  MISRA-C:2004 Compliance Exceptions
00050   CMSIS violates the following MISRA-C:2004 rules:
00051 
00052    \li Required Rule 8.5, object/function definition in header file.<br>
00053      Function definitions in header files are used to allow 'inlining'.
00054 
00055    \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
00056      Unions are used for effective representation of core registers.
00057 
00058    \li Advisory Rule 19.7, Function-like macro defined.<br>
00059      Function-like macros are used to allow more efficient code.
00060  */
00061 
00062 
00063 /*******************************************************************************
00064  *                 CMSIS definitions
00065  ******************************************************************************/
00066 /** \ingroup SC000
00067   @{
00068  */
00069 
00070 /*  CMSIS SC000 definitions */
00071 #define __SC000_CMSIS_VERSION_MAIN  (0x03)                                   /*!< [31:16] CMSIS HAL main version */
00072 #define __SC000_CMSIS_VERSION_SUB   (0x30)                                   /*!< [15:0]  CMSIS HAL sub version  */
00073 #define __SC000_CMSIS_VERSION       ((__SC000_CMSIS_VERSION_MAIN << 16) | \
00074                                       __SC000_CMSIS_VERSION_SUB          )   /*!< CMSIS HAL version number       */
00075 
00076 #define __CORTEX_SC                 (000)                                       /*!< Cortex secure core             */
00077 
00078 
00079 #if   defined ( __CC_ARM )
00080   #define __ASM            __asm                                      /*!< asm keyword for ARM Compiler          */
00081   #define __INLINE         __inline                                   /*!< inline keyword for ARM Compiler       */
00082   #define __STATIC_INLINE  static __inline
00083 
00084 #elif defined ( __GNUC__ )
00085   #define __ASM            __asm                                      /*!< asm keyword for GNU Compiler          */
00086   #define __INLINE         inline                                     /*!< inline keyword for GNU Compiler       */
00087   #define __STATIC_INLINE  static inline
00088 
00089 #elif defined ( __ICCARM__ )
00090   #define __ASM            __asm                                      /*!< asm keyword for IAR Compiler          */
00091   #define __INLINE         inline                                     /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
00092   #define __STATIC_INLINE  static inline
00093 
00094 #elif defined ( __TMS470__ )
00095   #define __ASM            __asm                                      /*!< asm keyword for TI CCS Compiler       */
00096   #define __STATIC_INLINE  static inline
00097 
00098 #elif defined ( __TASKING__ )
00099   #define __ASM            __asm                                      /*!< asm keyword for TASKING Compiler      */
00100   #define __INLINE         inline                                     /*!< inline keyword for TASKING Compiler   */
00101   #define __STATIC_INLINE  static inline
00102 
00103 #elif defined ( __CSMC__ )      /* Cosmic */
00104   #define __packed
00105   #define __ASM            _asm                                      /*!< asm keyword for COSMIC Compiler      */
00106   #define __INLINE         inline                                    /*use -pc99 on compile line !< inline keyword for COSMIC Compiler   */
00107   #define __STATIC_INLINE  static inline
00108 
00109 #endif
00110 
00111 /** __FPU_USED indicates whether an FPU is used or not. This core does not support an FPU at all
00112 */
00113 #define __FPU_USED       0
00114 
00115 #if defined ( __CC_ARM )
00116   #if defined __TARGET_FPU_VFP
00117     #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00118   #endif
00119 
00120 #elif defined ( __GNUC__ )
00121   #if defined (__VFP_FP__) && !defined(__SOFTFP__)
00122     #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00123   #endif
00124 
00125 #elif defined ( __ICCARM__ )
00126   #if defined __ARMVFP__
00127     #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00128   #endif
00129 
00130 #elif defined ( __TMS470__ )
00131   #if defined __TI__VFP_SUPPORT____
00132     #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00133   #endif
00134 
00135 #elif defined ( __TASKING__ )
00136   #if defined __FPU_VFP__
00137     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00138   #endif
00139 
00140 #elif defined ( __CSMC__ )      /* Cosmic */
00141   #if ( __CSMC__ & 0x400)       // FPU present for parser
00142     #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
00143   #endif
00144 #endif
00145 
00146 #include <stdint.h>                      /* standard types definitions                      */
00147 #include <core_cmInstr.h>                /* Core Instruction Access                         */
00148 #include <core_cmFunc.h>                 /* Core Function Access                            */
00149 
00150 #endif /* __CORE_SC000_H_GENERIC */
00151 
00152 #ifndef __CMSIS_GENERIC
00153 
00154 #ifndef __CORE_SC000_H_DEPENDANT
00155 #define __CORE_SC000_H_DEPENDANT
00156 
00157 /* check device defines and use defaults */
00158 #if defined __CHECK_DEVICE_DEFINES
00159   #ifndef __SC000_REV
00160     #define __SC000_REV             0x0000
00161     #warning "__SC000_REV not defined in device header file; using default!"
00162   #endif
00163 
00164   #ifndef __MPU_PRESENT
00165     #define __MPU_PRESENT             0
00166     #warning "__MPU_PRESENT not defined in device header file; using default!"
00167   #endif
00168 
00169   #ifndef __NVIC_PRIO_BITS
00170     #define __NVIC_PRIO_BITS          2
00171     #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
00172   #endif
00173 
00174   #ifndef __Vendor_SysTickConfig
00175     #define __Vendor_SysTickConfig    0
00176     #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
00177   #endif
00178 #endif
00179 
00180 /* IO definitions (access restrictions to peripheral registers) */
00181 /**
00182     \defgroup CMSIS_glob_defs CMSIS Global Defines
00183 
00184     <strong>IO Type Qualifiers</strong> are used
00185     \li to specify the access to peripheral variables.
00186     \li for automatic generation of peripheral register debug information.
00187 */
00188 #ifdef __cplusplus
00189   #define   __I     volatile             /*!< Defines 'read only' permissions                 */
00190 #else
00191   #define   __I     volatile const       /*!< Defines 'read only' permissions                 */
00192 #endif
00193 #define     __O     volatile             /*!< Defines 'write only' permissions                */
00194 #define     __IO    volatile             /*!< Defines 'read / write' permissions              */
00195 
00196 /*@} end of group SC000 */
00197 
00198 
00199 
00200 /*******************************************************************************
00201  *                 Register Abstraction
00202   Core Register contain:
00203   - Core Register
00204   - Core NVIC Register
00205   - Core SCB Register
00206   - Core SysTick Register
00207   - Core MPU Register
00208  ******************************************************************************/
00209 /** \defgroup CMSIS_core_register Defines and Type Definitions
00210     \brief Type definitions and defines for Cortex-M processor based devices.
00211 */
00212 
00213 /** \ingroup    CMSIS_core_register
00214     \defgroup   CMSIS_CORE  Status and Control Registers
00215     \brief  Core Register type definitions.
00216   @{
00217  */
00218 
00219 /** \brief  Union type to access the Application Program Status Register (APSR).
00220  */
00221 typedef union
00222 {
00223   struct
00224   {
00225 #if (__CORTEX_M != 0x04)
00226     uint32_t _reserved0:27;              /*!< bit:  0..26  Reserved                           */
00227 #else
00228     uint32_t _reserved0:16;              /*!< bit:  0..15  Reserved                           */
00229     uint32_t GE:4;                       /*!< bit: 16..19  Greater than or Equal flags        */
00230     uint32_t _reserved1:7;               /*!< bit: 20..26  Reserved                           */
00231 #endif
00232     uint32_t Q:1;                        /*!< bit:     27  Saturation condition flag          */
00233     uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
00234     uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
00235     uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
00236     uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
00237   } b;                                   /*!< Structure used for bit  access                  */
00238   uint32_t w;                            /*!< Type      used for word access                  */
00239 } APSR_Type;
00240 
00241 
00242 /** \brief  Union type to access the Interrupt Program Status Register (IPSR).
00243  */
00244 typedef union
00245 {
00246   struct
00247   {
00248     uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
00249     uint32_t _reserved0:23;              /*!< bit:  9..31  Reserved                           */
00250   } b;                                   /*!< Structure used for bit  access                  */
00251   uint32_t w;                            /*!< Type      used for word access                  */
00252 } IPSR_Type;
00253 
00254 
00255 /** \brief  Union type to access the Special-Purpose Program Status Registers (xPSR).
00256  */
00257 typedef union
00258 {
00259   struct
00260   {
00261     uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
00262 #if (__CORTEX_M != 0x04)
00263     uint32_t _reserved0:15;              /*!< bit:  9..23  Reserved                           */
00264 #else
00265     uint32_t _reserved0:7;               /*!< bit:  9..15  Reserved                           */
00266     uint32_t GE:4;                       /*!< bit: 16..19  Greater than or Equal flags        */
00267     uint32_t _reserved1:4;               /*!< bit: 20..23  Reserved                           */
00268 #endif
00269     uint32_t T:1;                        /*!< bit:     24  Thumb bit        (read 0)          */
00270     uint32_t IT:2;                       /*!< bit: 25..26  saved IT state   (read 0)          */
00271     uint32_t Q:1;                        /*!< bit:     27  Saturation condition flag          */
00272     uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
00273     uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
00274     uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
00275     uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
00276   } b;                                   /*!< Structure used for bit  access                  */
00277   uint32_t w;                            /*!< Type      used for word access                  */
00278 } xPSR_Type;
00279 
00280 
00281 /** \brief  Union type to access the Control Registers (CONTROL).
00282  */
00283 typedef union
00284 {
00285   struct
00286   {
00287     uint32_t nPRIV:1;                    /*!< bit:      0  Execution privilege in Thread mode */
00288     uint32_t SPSEL:1;                    /*!< bit:      1  Stack to be used                   */
00289     uint32_t FPCA:1;                     /*!< bit:      2  FP extension active flag           */
00290     uint32_t _reserved0:29;              /*!< bit:  3..31  Reserved                           */
00291   } b;                                   /*!< Structure used for bit  access                  */
00292   uint32_t w;                            /*!< Type      used for word access                  */
00293 } CONTROL_Type;
00294 
00295 /*@} end of group CMSIS_CORE */
00296 
00297 
00298 /** \ingroup    CMSIS_core_register
00299     \defgroup   CMSIS_NVIC  Nested Vectored Interrupt Controller (NVIC)
00300     \brief      Type definitions for the NVIC Registers
00301   @{
00302  */
00303 
00304 /** \brief  Structure type to access the Nested Vectored Interrupt Controller (NVIC).
00305  */
00306 typedef struct
00307 {
00308   __IO uint32_t ISER[1];                 /*!< Offset: 0x000 (R/W)  Interrupt Set Enable Register           */
00309        uint32_t RESERVED0[31];
00310   __IO uint32_t ICER[1];                 /*!< Offset: 0x080 (R/W)  Interrupt Clear Enable Register          */
00311        uint32_t RSERVED1[31];
00312   __IO uint32_t ISPR[1];                 /*!< Offset: 0x100 (R/W)  Interrupt Set Pending Register           */
00313        uint32_t RESERVED2[31];
00314   __IO uint32_t ICPR[1];                 /*!< Offset: 0x180 (R/W)  Interrupt Clear Pending Register         */
00315        uint32_t RESERVED3[31];
00316        uint32_t RESERVED4[64];
00317   __IO uint32_t IP[8];                   /*!< Offset: 0x300 (R/W)  Interrupt Priority Register              */
00318 }  NVIC_Type;
00319 
00320 /*@} end of group CMSIS_NVIC */
00321 
00322 
00323 /** \ingroup  CMSIS_core_register
00324     \defgroup CMSIS_SCB     System Control Block (SCB)
00325     \brief      Type definitions for the System Control Block Registers
00326   @{
00327  */
00328 
00329 /** \brief  Structure type to access the System Control Block (SCB).
00330  */
00331 typedef struct
00332 {
00333   __I  uint32_t CPUID;                   /*!< Offset: 0x000 (R/ )  CPUID Base Register                                   */
00334   __IO uint32_t ICSR;                    /*!< Offset: 0x004 (R/W)  Interrupt Control and State Register                  */
00335   __IO uint32_t VTOR;                    /*!< Offset: 0x008 (R/W)  Vector Table Offset Register                          */
00336   __IO uint32_t AIRCR;                   /*!< Offset: 0x00C (R/W)  Application Interrupt and Reset Control Register      */
00337   __IO uint32_t SCR;                     /*!< Offset: 0x010 (R/W)  System Control Register                               */
00338   __IO uint32_t CCR;                     /*!< Offset: 0x014 (R/W)  Configuration Control Register                        */
00339        uint32_t RESERVED0[1];
00340   __IO uint32_t SHP[2];                  /*!< Offset: 0x01C (R/W)  System Handlers Priority Registers. [0] is RESERVED   */
00341   __IO uint32_t SHCSR;                   /*!< Offset: 0x024 (R/W)  System Handler Control and State Register             */
00342        uint32_t RESERVED1[154];
00343   __IO uint32_t SFCR;                    /*!< Offset: 0x290 (R/W)  Security Features Register                            */
00344 } SCB_Type;
00345 
00346 /* SCB CPUID Register Definitions */
00347 #define SCB_CPUID_IMPLEMENTER_Pos          24                                             /*!< SCB CPUID: IMPLEMENTER Position */
00348 #define SCB_CPUID_IMPLEMENTER_Msk          (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos)          /*!< SCB CPUID: IMPLEMENTER Mask */
00349 
00350 #define SCB_CPUID_VARIANT_Pos              20                                             /*!< SCB CPUID: VARIANT Position */
00351 #define SCB_CPUID_VARIANT_Msk              (0xFUL << SCB_CPUID_VARIANT_Pos)               /*!< SCB CPUID: VARIANT Mask */
00352 
00353 #define SCB_CPUID_ARCHITECTURE_Pos         16                                             /*!< SCB CPUID: ARCHITECTURE Position */
00354 #define SCB_CPUID_ARCHITECTURE_Msk         (0xFUL << SCB_CPUID_ARCHITECTURE_Pos)          /*!< SCB CPUID: ARCHITECTURE Mask */
00355 
00356 #define SCB_CPUID_PARTNO_Pos                4                                             /*!< SCB CPUID: PARTNO Position */
00357 #define SCB_CPUID_PARTNO_Msk               (0xFFFUL << SCB_CPUID_PARTNO_Pos)              /*!< SCB CPUID: PARTNO Mask */
00358 
00359 #define SCB_CPUID_REVISION_Pos              0                                             /*!< SCB CPUID: REVISION Position */
00360 #define SCB_CPUID_REVISION_Msk             (0xFUL << SCB_CPUID_REVISION_Pos)              /*!< SCB CPUID: REVISION Mask */
00361 
00362 /* SCB Interrupt Control State Register Definitions */
00363 #define SCB_ICSR_NMIPENDSET_Pos            31                                             /*!< SCB ICSR: NMIPENDSET Position */
00364 #define SCB_ICSR_NMIPENDSET_Msk            (1UL << SCB_ICSR_NMIPENDSET_Pos)               /*!< SCB ICSR: NMIPENDSET Mask */
00365 
00366 #define SCB_ICSR_PENDSVSET_Pos             28                                             /*!< SCB ICSR: PENDSVSET Position */
00367 #define SCB_ICSR_PENDSVSET_Msk             (1UL << SCB_ICSR_PENDSVSET_Pos)                /*!< SCB ICSR: PENDSVSET Mask */
00368 
00369 #define SCB_ICSR_PENDSVCLR_Pos             27                                             /*!< SCB ICSR: PENDSVCLR Position */
00370 #define SCB_ICSR_PENDSVCLR_Msk             (1UL << SCB_ICSR_PENDSVCLR_Pos)                /*!< SCB ICSR: PENDSVCLR Mask */
00371 
00372 #define SCB_ICSR_PENDSTSET_Pos             26                                             /*!< SCB ICSR: PENDSTSET Position */
00373 #define SCB_ICSR_PENDSTSET_Msk             (1UL << SCB_ICSR_PENDSTSET_Pos)                /*!< SCB ICSR: PENDSTSET Mask */
00374 
00375 #define SCB_ICSR_PENDSTCLR_Pos             25                                             /*!< SCB ICSR: PENDSTCLR Position */
00376 #define SCB_ICSR_PENDSTCLR_Msk             (1UL << SCB_ICSR_PENDSTCLR_Pos)                /*!< SCB ICSR: PENDSTCLR Mask */
00377 
00378 #define SCB_ICSR_ISRPREEMPT_Pos            23                                             /*!< SCB ICSR: ISRPREEMPT Position */
00379 #define SCB_ICSR_ISRPREEMPT_Msk            (1UL << SCB_ICSR_ISRPREEMPT_Pos)               /*!< SCB ICSR: ISRPREEMPT Mask */
00380 
00381 #define SCB_ICSR_ISRPENDING_Pos            22                                             /*!< SCB ICSR: ISRPENDING Position */
00382 #define SCB_ICSR_ISRPENDING_Msk            (1UL << SCB_ICSR_ISRPENDING_Pos)               /*!< SCB ICSR: ISRPENDING Mask */
00383 
00384 #define SCB_ICSR_VECTPENDING_Pos           12                                             /*!< SCB ICSR: VECTPENDING Position */
00385 #define SCB_ICSR_VECTPENDING_Msk           (0x1FFUL << SCB_ICSR_VECTPENDING_Pos)          /*!< SCB ICSR: VECTPENDING Mask */
00386 
00387 #define SCB_ICSR_VECTACTIVE_Pos             0                                             /*!< SCB ICSR: VECTACTIVE Position */
00388 #define SCB_ICSR_VECTACTIVE_Msk            (0x1FFUL << SCB_ICSR_VECTACTIVE_Pos)           /*!< SCB ICSR: VECTACTIVE Mask */
00389 
00390 /* SCB Interrupt Control State Register Definitions */
00391 #define SCB_VTOR_TBLOFF_Pos                 7                                             /*!< SCB VTOR: TBLOFF Position */
00392 #define SCB_VTOR_TBLOFF_Msk                (0x1FFFFFFUL << SCB_VTOR_TBLOFF_Pos)           /*!< SCB VTOR: TBLOFF Mask */
00393 
00394 /* SCB Application Interrupt and Reset Control Register Definitions */
00395 #define SCB_AIRCR_VECTKEY_Pos              16                                             /*!< SCB AIRCR: VECTKEY Position */
00396 #define SCB_AIRCR_VECTKEY_Msk              (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos)            /*!< SCB AIRCR: VECTKEY Mask */
00397 
00398 #define SCB_AIRCR_VECTKEYSTAT_Pos          16                                             /*!< SCB AIRCR: VECTKEYSTAT Position */
00399 #define SCB_AIRCR_VECTKEYSTAT_Msk          (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos)        /*!< SCB AIRCR: VECTKEYSTAT Mask */
00400 
00401 #define SCB_AIRCR_ENDIANESS_Pos            15                                             /*!< SCB AIRCR: ENDIANESS Position */
00402 #define SCB_AIRCR_ENDIANESS_Msk            (1UL << SCB_AIRCR_ENDIANESS_Pos)               /*!< SCB AIRCR: ENDIANESS Mask */
00403 
00404 #define SCB_AIRCR_SYSRESETREQ_Pos           2                                             /*!< SCB AIRCR: SYSRESETREQ Position */
00405 #define SCB_AIRCR_SYSRESETREQ_Msk          (1UL << SCB_AIRCR_SYSRESETREQ_Pos)             /*!< SCB AIRCR: SYSRESETREQ Mask */
00406 
00407 #define SCB_AIRCR_VECTCLRACTIVE_Pos         1                                             /*!< SCB AIRCR: VECTCLRACTIVE Position */
00408 #define SCB_AIRCR_VECTCLRACTIVE_Msk        (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos)           /*!< SCB AIRCR: VECTCLRACTIVE Mask */
00409 
00410 /* SCB System Control Register Definitions */
00411 #define SCB_SCR_SEVONPEND_Pos               4                                             /*!< SCB SCR: SEVONPEND Position */
00412 #define SCB_SCR_SEVONPEND_Msk              (1UL << SCB_SCR_SEVONPEND_Pos)                 /*!< SCB SCR: SEVONPEND Mask */
00413 
00414 #define SCB_SCR_SLEEPDEEP_Pos               2                                             /*!< SCB SCR: SLEEPDEEP Position */
00415 #define SCB_SCR_SLEEPDEEP_Msk              (1UL << SCB_SCR_SLEEPDEEP_Pos)                 /*!< SCB SCR: SLEEPDEEP Mask */
00416 
00417 #define SCB_SCR_SLEEPONEXIT_Pos             1                                             /*!< SCB SCR: SLEEPONEXIT Position */
00418 #define SCB_SCR_SLEEPONEXIT_Msk            (1UL << SCB_SCR_SLEEPONEXIT_Pos)               /*!< SCB SCR: SLEEPONEXIT Mask */
00419 
00420 /* SCB Configuration Control Register Definitions */
00421 #define SCB_CCR_STKALIGN_Pos                9                                             /*!< SCB CCR: STKALIGN Position */
00422 #define SCB_CCR_STKALIGN_Msk               (1UL << SCB_CCR_STKALIGN_Pos)                  /*!< SCB CCR: STKALIGN Mask */
00423 
00424 #define SCB_CCR_UNALIGN_TRP_Pos             3                                             /*!< SCB CCR: UNALIGN_TRP Position */
00425 #define SCB_CCR_UNALIGN_TRP_Msk            (1UL << SCB_CCR_UNALIGN_TRP_Pos)               /*!< SCB CCR: UNALIGN_TRP Mask */
00426 
00427 /* SCB System Handler Control and State Register Definitions */
00428 #define SCB_SHCSR_SVCALLPENDED_Pos         15                                             /*!< SCB SHCSR: SVCALLPENDED Position */
00429 #define SCB_SHCSR_SVCALLPENDED_Msk         (1UL << SCB_SHCSR_SVCALLPENDED_Pos)            /*!< SCB SHCSR: SVCALLPENDED Mask */
00430 
00431 /* SCB Security Features Register Definitions */
00432 #define SCB_SFCR_UNIBRTIMING_Pos            0                                             /*!< SCB SFCR: UNIBRTIMING Position */
00433 #define SCB_SFCR_UNIBRTIMING_Msk           (1UL << SCB_SHCSR_SVCALLPENDED_Pos)            /*!< SCB SFCR: UNIBRTIMING Mask */
00434 
00435 #define SCB_SFCR_SECKEY_Pos                16                                             /*!< SCB SFCR: SECKEY Position */
00436 #define SCB_SFCR_SECKEY_Msk               (0xFFFFUL << SCB_SHCSR_SVCALLPENDED_Pos)        /*!< SCB SFCR: SECKEY Mask */
00437 
00438 /*@} end of group CMSIS_SCB */
00439 
00440 
00441 /** \ingroup  CMSIS_core_register
00442     \defgroup CMSIS_SCnSCB System Controls not in SCB (SCnSCB)
00443     \brief      Type definitions for the System Control and ID Register not in the SCB
00444   @{
00445  */
00446 
00447 /** \brief  Structure type to access the System Control and ID Register not in the SCB.
00448  */
00449 typedef struct
00450 {
00451        uint32_t RESERVED0[2];
00452   __IO uint32_t ACTLR;                   /*!< Offset: 0x008 (R/W)  Auxiliary Control Register      */
00453 } SCnSCB_Type;
00454 
00455 /* Auxiliary Control Register Definitions */
00456 #define SCnSCB_ACTLR_DISMCYCINT_Pos         0                                          /*!< ACTLR: DISMCYCINT Position */
00457 #define SCnSCB_ACTLR_DISMCYCINT_Msk        (1UL << SCnSCB_ACTLR_DISMCYCINT_Pos)        /*!< ACTLR: DISMCYCINT Mask */
00458 
00459 /*@} end of group CMSIS_SCnotSCB */
00460 
00461 
00462 /** \ingroup  CMSIS_core_register
00463     \defgroup CMSIS_SysTick     System Tick Timer (SysTick)
00464     \brief      Type definitions for the System Timer Registers.
00465   @{
00466  */
00467 
00468 /** \brief  Structure type to access the System Timer (SysTick).
00469  */
00470 typedef struct
00471 {
00472   __IO uint32_t CTRL;                    /*!< Offset: 0x000 (R/W)  SysTick Control and Status Register */
00473   __IO uint32_t LOAD;                    /*!< Offset: 0x004 (R/W)  SysTick Reload Value Register       */
00474   __IO uint32_t VAL;                     /*!< Offset: 0x008 (R/W)  SysTick Current Value Register      */
00475   __I  uint32_t CALIB;                   /*!< Offset: 0x00C (R/ )  SysTick Calibration Register        */
00476 } SysTick_Type;
00477 
00478 /* SysTick Control / Status Register Definitions */
00479 #define SysTick_CTRL_COUNTFLAG_Pos         16                                             /*!< SysTick CTRL: COUNTFLAG Position */
00480 #define SysTick_CTRL_COUNTFLAG_Msk         (1UL << SysTick_CTRL_COUNTFLAG_Pos)            /*!< SysTick CTRL: COUNTFLAG Mask */
00481 
00482 #define SysTick_CTRL_CLKSOURCE_Pos          2                                             /*!< SysTick CTRL: CLKSOURCE Position */
00483 #define SysTick_CTRL_CLKSOURCE_Msk         (1UL << SysTick_CTRL_CLKSOURCE_Pos)            /*!< SysTick CTRL: CLKSOURCE Mask */
00484 
00485 #define SysTick_CTRL_TICKINT_Pos            1                                             /*!< SysTick CTRL: TICKINT Position */
00486 #define SysTick_CTRL_TICKINT_Msk           (1UL << SysTick_CTRL_TICKINT_Pos)              /*!< SysTick CTRL: TICKINT Mask */
00487 
00488 #define SysTick_CTRL_ENABLE_Pos             0                                             /*!< SysTick CTRL: ENABLE Position */
00489 #define SysTick_CTRL_ENABLE_Msk            (1UL << SysTick_CTRL_ENABLE_Pos)               /*!< SysTick CTRL: ENABLE Mask */
00490 
00491 /* SysTick Reload Register Definitions */
00492 #define SysTick_LOAD_RELOAD_Pos             0                                             /*!< SysTick LOAD: RELOAD Position */
00493 #define SysTick_LOAD_RELOAD_Msk            (0xFFFFFFUL << SysTick_LOAD_RELOAD_Pos)        /*!< SysTick LOAD: RELOAD Mask */
00494 
00495 /* SysTick Current Register Definitions */
00496 #define SysTick_VAL_CURRENT_Pos             0                                             /*!< SysTick VAL: CURRENT Position */
00497 #define SysTick_VAL_CURRENT_Msk            (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos)        /*!< SysTick VAL: CURRENT Mask */
00498 
00499 /* SysTick Calibration Register Definitions */
00500 #define SysTick_CALIB_NOREF_Pos            31                                             /*!< SysTick CALIB: NOREF Position */
00501 #define SysTick_CALIB_NOREF_Msk            (1UL << SysTick_CALIB_NOREF_Pos)               /*!< SysTick CALIB: NOREF Mask */
00502 
00503 #define SysTick_CALIB_SKEW_Pos             30                                             /*!< SysTick CALIB: SKEW Position */
00504 #define SysTick_CALIB_SKEW_Msk             (1UL << SysTick_CALIB_SKEW_Pos)                /*!< SysTick CALIB: SKEW Mask */
00505 
00506 #define SysTick_CALIB_TENMS_Pos             0                                             /*!< SysTick CALIB: TENMS Position */
00507 #define SysTick_CALIB_TENMS_Msk            (0xFFFFFFUL << SysTick_CALIB_TENMS_Pos)        /*!< SysTick CALIB: TENMS Mask */
00508 
00509 /*@} end of group CMSIS_SysTick */
00510 
00511 #if (__MPU_PRESENT == 1)
00512 /** \ingroup  CMSIS_core_register
00513     \defgroup CMSIS_MPU     Memory Protection Unit (MPU)
00514     \brief      Type definitions for the Memory Protection Unit (MPU)
00515   @{
00516  */
00517 
00518 /** \brief  Structure type to access the Memory Protection Unit (MPU).
00519  */
00520 typedef struct
00521 {
00522   __I  uint32_t TYPE;                    /*!< Offset: 0x000 (R/ )  MPU Type Register                              */
00523   __IO uint32_t CTRL;                    /*!< Offset: 0x004 (R/W)  MPU Control Register                           */
00524   __IO uint32_t RNR;                     /*!< Offset: 0x008 (R/W)  MPU Region RNRber Register                     */
00525   __IO uint32_t RBAR;                    /*!< Offset: 0x00C (R/W)  MPU Region Base Address Register               */
00526   __IO uint32_t RASR;                    /*!< Offset: 0x010 (R/W)  MPU Region Attribute and Size Register         */
00527 } MPU_Type;
00528 
00529 /* MPU Type Register */
00530 #define MPU_TYPE_IREGION_Pos               16                                             /*!< MPU TYPE: IREGION Position */
00531 #define MPU_TYPE_IREGION_Msk               (0xFFUL << MPU_TYPE_IREGION_Pos)               /*!< MPU TYPE: IREGION Mask */
00532 
00533 #define MPU_TYPE_DREGION_Pos                8                                             /*!< MPU TYPE: DREGION Position */
00534 #define MPU_TYPE_DREGION_Msk               (0xFFUL << MPU_TYPE_DREGION_Pos)               /*!< MPU TYPE: DREGION Mask */
00535 
00536 #define MPU_TYPE_SEPARATE_Pos               0                                             /*!< MPU TYPE: SEPARATE Position */
00537 #define MPU_TYPE_SEPARATE_Msk              (1UL << MPU_TYPE_SEPARATE_Pos)                 /*!< MPU TYPE: SEPARATE Mask */
00538 
00539 /* MPU Control Register */
00540 #define MPU_CTRL_PRIVDEFENA_Pos             2                                             /*!< MPU CTRL: PRIVDEFENA Position */
00541 #define MPU_CTRL_PRIVDEFENA_Msk            (1UL << MPU_CTRL_PRIVDEFENA_Pos)               /*!< MPU CTRL: PRIVDEFENA Mask */
00542 
00543 #define MPU_CTRL_HFNMIENA_Pos               1                                             /*!< MPU CTRL: HFNMIENA Position */
00544 #define MPU_CTRL_HFNMIENA_Msk              (1UL << MPU_CTRL_HFNMIENA_Pos)                 /*!< MPU CTRL: HFNMIENA Mask */
00545 
00546 #define MPU_CTRL_ENABLE_Pos                 0                                             /*!< MPU CTRL: ENABLE Position */
00547 #define MPU_CTRL_ENABLE_Msk                (1UL << MPU_CTRL_ENABLE_Pos)                   /*!< MPU CTRL: ENABLE Mask */
00548 
00549 /* MPU Region Number Register */
00550 #define MPU_RNR_REGION_Pos                  0                                             /*!< MPU RNR: REGION Position */
00551 #define MPU_RNR_REGION_Msk                 (0xFFUL << MPU_RNR_REGION_Pos)                 /*!< MPU RNR: REGION Mask */
00552 
00553 /* MPU Region Base Address Register */
00554 #define MPU_RBAR_ADDR_Pos                   8                                             /*!< MPU RBAR: ADDR Position */
00555 #define MPU_RBAR_ADDR_Msk                  (0xFFFFFFUL << MPU_RBAR_ADDR_Pos)              /*!< MPU RBAR: ADDR Mask */
00556 
00557 #define MPU_RBAR_VALID_Pos                  4                                             /*!< MPU RBAR: VALID Position */
00558 #define MPU_RBAR_VALID_Msk                 (1UL << MPU_RBAR_VALID_Pos)                    /*!< MPU RBAR: VALID Mask */
00559 
00560 #define MPU_RBAR_REGION_Pos                 0                                             /*!< MPU RBAR: REGION Position */
00561 #define MPU_RBAR_REGION_Msk                (0xFUL << MPU_RBAR_REGION_Pos)                 /*!< MPU RBAR: REGION Mask */
00562 
00563 /* MPU Region Attribute and Size Register */
00564 #define MPU_RASR_ATTRS_Pos                 16                                             /*!< MPU RASR: MPU Region Attribute field Position */
00565 #define MPU_RASR_ATTRS_Msk                 (0xFFFFUL << MPU_RASR_ATTRS_Pos)               /*!< MPU RASR: MPU Region Attribute field Mask */
00566 
00567 #define MPU_RASR_XN_Pos                    28                                             /*!< MPU RASR: ATTRS.XN Position */
00568 #define MPU_RASR_XN_Msk                    (1UL << MPU_RASR_XN_Pos)                       /*!< MPU RASR: ATTRS.XN Mask */
00569 
00570 #define MPU_RASR_AP_Pos                    24                                             /*!< MPU RASR: ATTRS.AP Position */
00571 #define MPU_RASR_AP_Msk                    (0x7UL << MPU_RASR_AP_Pos)                     /*!< MPU RASR: ATTRS.AP Mask */
00572 
00573 #define MPU_RASR_TEX_Pos                   19                                             /*!< MPU RASR: ATTRS.TEX Position */
00574 #define MPU_RASR_TEX_Msk                   (0x7UL << MPU_RASR_TEX_Pos)                    /*!< MPU RASR: ATTRS.TEX Mask */
00575 
00576 #define MPU_RASR_S_Pos                     18                                             /*!< MPU RASR: ATTRS.S Position */
00577 #define MPU_RASR_S_Msk                     (1UL << MPU_RASR_S_Pos)                        /*!< MPU RASR: ATTRS.S Mask */
00578 
00579 #define MPU_RASR_C_Pos                     17                                             /*!< MPU RASR: ATTRS.C Position */
00580 #define MPU_RASR_C_Msk                     (1UL << MPU_RASR_C_Pos)                        /*!< MPU RASR: ATTRS.C Mask */
00581 
00582 #define MPU_RASR_B_Pos                     16                                             /*!< MPU RASR: ATTRS.B Position */
00583 #define MPU_RASR_B_Msk                     (1UL << MPU_RASR_B_Pos)                        /*!< MPU RASR: ATTRS.B Mask */
00584 
00585 #define MPU_RASR_SRD_Pos                    8                                             /*!< MPU RASR: Sub-Region Disable Position */
00586 #define MPU_RASR_SRD_Msk                   (0xFFUL << MPU_RASR_SRD_Pos)                   /*!< MPU RASR: Sub-Region Disable Mask */
00587 
00588 #define MPU_RASR_SIZE_Pos                   1                                             /*!< MPU RASR: Region Size Field Position */
00589 #define MPU_RASR_SIZE_Msk                  (0x1FUL << MPU_RASR_SIZE_Pos)                  /*!< MPU RASR: Region Size Field Mask */
00590 
00591 #define MPU_RASR_ENABLE_Pos                 0                                             /*!< MPU RASR: Region enable bit Position */
00592 #define MPU_RASR_ENABLE_Msk                (1UL << MPU_RASR_ENABLE_Pos)                   /*!< MPU RASR: Region enable bit Disable Mask */
00593 
00594 /*@} end of group CMSIS_MPU */
00595 #endif
00596 
00597 
00598 /** \ingroup  CMSIS_core_register
00599     \defgroup CMSIS_CoreDebug       Core Debug Registers (CoreDebug)
00600     \brief      SC000 Core Debug Registers (DCB registers, SHCSR, and DFSR)
00601                 are only accessible over DAP and not via processor. Therefore
00602                 they are not covered by the Cortex-M0 header file.
00603   @{
00604  */
00605 /*@} end of group CMSIS_CoreDebug */
00606 
00607 
00608 /** \ingroup    CMSIS_core_register
00609     \defgroup   CMSIS_core_base     Core Definitions
00610     \brief      Definitions for base addresses, unions, and structures.
00611   @{
00612  */
00613 
00614 /* Memory mapping of SC000 Hardware */
00615 #define SCS_BASE            (0xE000E000UL)                            /*!< System Control Space Base Address */
00616 #define SysTick_BASE        (SCS_BASE +  0x0010UL)                    /*!< SysTick Base Address              */
00617 #define NVIC_BASE           (SCS_BASE +  0x0100UL)                    /*!< NVIC Base Address                 */
00618 #define SCB_BASE            (SCS_BASE +  0x0D00UL)                    /*!< System Control Block Base Address */
00619 
00620 #define SCnSCB              ((SCnSCB_Type    *)     SCS_BASE      )   /*!< System control Register not in SCB */
00621 #define SCB                 ((SCB_Type       *)     SCB_BASE      )   /*!< SCB configuration struct           */
00622 #define SysTick             ((SysTick_Type   *)     SysTick_BASE  )   /*!< SysTick configuration struct       */
00623 #define NVIC                ((NVIC_Type      *)     NVIC_BASE     )   /*!< NVIC configuration struct          */
00624 
00625 #if (__MPU_PRESENT == 1)
00626   #define MPU_BASE          (SCS_BASE +  0x0D90UL)                    /*!< Memory Protection Unit             */
00627   #define MPU               ((MPU_Type       *)     MPU_BASE      )   /*!< Memory Protection Unit             */
00628 #endif
00629 
00630 /*@} */
00631 
00632 
00633 
00634 /*******************************************************************************
00635  *                Hardware Abstraction Layer
00636   Core Function Interface contains:
00637   - Core NVIC Functions
00638   - Core SysTick Functions
00639   - Core Register Access Functions
00640  ******************************************************************************/
00641 /** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
00642 */
00643 
00644 
00645 
00646 /* ##########################   NVIC functions  #################################### */
00647 /** \ingroup  CMSIS_Core_FunctionInterface
00648     \defgroup CMSIS_Core_NVICFunctions NVIC Functions
00649     \brief      Functions that manage interrupts and exceptions via the NVIC.
00650     @{
00651  */
00652 
00653 /* Interrupt Priorities are WORD accessible only under ARMv6M                   */
00654 /* The following MACROS handle generation of the register offset and byte masks */
00655 #define _BIT_SHIFT(IRQn)         (  (((uint32_t)(IRQn)       )    &  0x03) * 8 )
00656 #define _SHP_IDX(IRQn)           ( ((((uint32_t)(IRQn) & 0x0F)-8) >>    2)     )
00657 #define _IP_IDX(IRQn)            (   ((uint32_t)(IRQn)            >>    2)     )
00658 
00659 
00660 /** \brief  Enable External Interrupt
00661 
00662     The function enables a device-specific interrupt in the NVIC interrupt controller.
00663 
00664     \param [in]      IRQn  External interrupt number. Value cannot be negative.
00665  */
00666 __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
00667 {
00668   NVIC->ISER[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
00669 }
00670 
00671 
00672 /** \brief  Disable External Interrupt
00673 
00674     The function disables a device-specific interrupt in the NVIC interrupt controller.
00675 
00676     \param [in]      IRQn  External interrupt number. Value cannot be negative.
00677  */
00678 __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
00679 {
00680   NVIC->ICER[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
00681 }
00682 
00683 
00684 /** \brief  Get Pending Interrupt
00685 
00686     The function reads the pending register in the NVIC and returns the pending bit
00687     for the specified interrupt.
00688 
00689     \param [in]      IRQn  Interrupt number.
00690 
00691     \return             0  Interrupt status is not pending.
00692     \return             1  Interrupt status is pending.
00693  */
00694 __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
00695 {
00696   return((uint32_t) ((NVIC->ISPR[0] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
00697 }
00698 
00699 
00700 /** \brief  Set Pending Interrupt
00701 
00702     The function sets the pending bit of an external interrupt.
00703 
00704     \param [in]      IRQn  Interrupt number. Value cannot be negative.
00705  */
00706 __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
00707 {
00708   NVIC->ISPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
00709 }
00710 
00711 
00712 /** \brief  Clear Pending Interrupt
00713 
00714     The function clears the pending bit of an external interrupt.
00715 
00716     \param [in]      IRQn  External interrupt number. Value cannot be negative.
00717  */
00718 __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
00719 {
00720   NVIC->ICPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */
00721 }
00722 
00723 
00724 /** \brief  Set Interrupt Priority
00725 
00726     The function sets the priority of an interrupt.
00727 
00728     \note The priority cannot be set for every core interrupt.
00729 
00730     \param [in]      IRQn  Interrupt number.
00731     \param [in]  priority  Priority to set.
00732  */
00733 __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
00734 {
00735   if(IRQn < 0) {
00736     SCB->SHP[_SHP_IDX(IRQn)] = (SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
00737         (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
00738   else {
00739     NVIC->IP[_IP_IDX(IRQn)] = (NVIC->IP[_IP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
00740         (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
00741 }
00742 
00743 
00744 /** \brief  Get Interrupt Priority
00745 
00746     The function reads the priority of an interrupt. The interrupt
00747     number can be positive to specify an external (device specific)
00748     interrupt, or negative to specify an internal (core) interrupt.
00749 
00750 
00751     \param [in]   IRQn  Interrupt number.
00752     \return             Interrupt Priority. Value is aligned automatically to the implemented
00753                         priority bits of the microcontroller.
00754  */
00755 __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
00756 {
00757 
00758   if(IRQn < 0) {
00759     return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & 0xFF) >> (8 - __NVIC_PRIO_BITS)));  } /* get priority for Cortex-M0 system interrupts */
00760   else {
00761     return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & 0xFF) >> (8 - __NVIC_PRIO_BITS)));  } /* get priority for device specific interrupts  */
00762 }
00763 
00764 
00765 /** \brief  System Reset
00766 
00767     The function initiates a system reset request to reset the MCU.
00768  */
00769 __STATIC_INLINE void NVIC_SystemReset(void)
00770 {
00771   __DSB();                                                     /* Ensure all outstanding memory accesses included
00772                                                                   buffered write are completed before reset */
00773   SCB->AIRCR  = ((0x5FA << SCB_AIRCR_VECTKEY_Pos)      |
00774                  SCB_AIRCR_SYSRESETREQ_Msk);
00775   __DSB();                                                     /* Ensure completion of memory access */
00776   while(1);                                                    /* wait until reset */
00777 }
00778 
00779 /*@} end of CMSIS_Core_NVICFunctions */
00780 
00781 
00782 
00783 /* ##################################    SysTick function  ############################################ */
00784 /** \ingroup  CMSIS_Core_FunctionInterface
00785     \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
00786     \brief      Functions that configure the System.
00787   @{
00788  */
00789 
00790 #if (__Vendor_SysTickConfig == 0)
00791 
00792 /** \brief  System Tick Configuration
00793 
00794     The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
00795     Counter is in free running mode to generate periodic interrupts.
00796 
00797     \param [in]  ticks  Number of ticks between two interrupts.
00798 
00799     \return          0  Function succeeded.
00800     \return          1  Function failed.
00801 
00802     \note     When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
00803     function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
00804     must contain a vendor-specific implementation of this function.
00805 
00806  */
00807 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
00808 {
00809   if ((ticks - 1) > SysTick_LOAD_RELOAD_Msk)  return (1);      /* Reload value impossible */
00810 
00811   SysTick->LOAD  = ticks - 1;                                  /* set reload register */
00812   NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1);  /* set Priority for Systick Interrupt */
00813   SysTick->VAL   = 0;                                          /* Load the SysTick Counter Value */
00814   SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
00815                    SysTick_CTRL_TICKINT_Msk   |
00816                    SysTick_CTRL_ENABLE_Msk;                    /* Enable SysTick IRQ and SysTick Timer */
00817   return (0);                                                  /* Function successful */
00818 }
00819 
00820 #endif
00821 
00822 /*@} end of CMSIS_Core_SysTickFunctions */
00823 
00824 
00825 
00826 
00827 #endif /* __CORE_SC000_H_DEPENDANT */
00828 
00829 #ifdef __cplusplus
00830 }
00831 #endif
00832 
00833 #endif /* __CMSIS_GENERIC */