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/**************************************************************************//**
2
 * @file     core_sc000.h
3
 * @brief    CMSIS SC000 Core Peripheral Access Layer Header File
4
 * @version  V4.10
5
 * @date     18. March 2015
6
 *
7
 * @note
8
 *
9
 ******************************************************************************/
10
/* Copyright (c) 2009 - 2015 ARM LIMITED
11
 
12
   All rights reserved.
13
   Redistribution and use in source and binary forms, with or without
14
   modification, are permitted provided that the following conditions are met:
15
   - Redistributions of source code must retain the above copyright
16
     notice, this list of conditions and the following disclaimer.
17
   - Redistributions in binary form must reproduce the above copyright
18
     notice, this list of conditions and the following disclaimer in the
19
     documentation and/or other materials provided with the distribution.
20
   - Neither the name of ARM nor the names of its contributors may be used
21
     to endorse or promote products derived from this software without
22
     specific prior written permission.
23
   *
24
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25
   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26
   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27
   ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
28
   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29
   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30
   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31
   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32
   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33
   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34
   POSSIBILITY OF SUCH DAMAGE.
35
   ---------------------------------------------------------------------------*/
36
 
37
 
38
#if defined ( __ICCARM__ )
39
 #pragma system_include  /* treat file as system include file for MISRA check */
40
#endif
41
 
42
#ifndef __CORE_SC000_H_GENERIC
43
#define __CORE_SC000_H_GENERIC
44
 
45
#ifdef __cplusplus
46
 extern "C" {
47
#endif
48
 
49
/** \page CMSIS_MISRA_Exceptions  MISRA-C:2004 Compliance Exceptions
50
  CMSIS violates the following MISRA-C:2004 rules:
51
 
52
   \li Required Rule 8.5, object/function definition in header file.<br>
53
     Function definitions in header files are used to allow 'inlining'.
54
 
55
   \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
56
     Unions are used for effective representation of core registers.
57
 
58
   \li Advisory Rule 19.7, Function-like macro defined.<br>
59
     Function-like macros are used to allow more efficient code.
60
 */
61
 
62
 
63
/*******************************************************************************
64
 *                 CMSIS definitions
65
 ******************************************************************************/
66
/** \ingroup SC000
67
  @{
68
 */
69
 
70
/*  CMSIS SC000 definitions */
71
#define __SC000_CMSIS_VERSION_MAIN  (0x04)                                   /*!< [31:16] CMSIS HAL main version */
72
#define __SC000_CMSIS_VERSION_SUB   (0x00)                                   /*!< [15:0]  CMSIS HAL sub version  */
73
#define __SC000_CMSIS_VERSION       ((__SC000_CMSIS_VERSION_MAIN << 16) | \
74
                                      __SC000_CMSIS_VERSION_SUB          )   /*!< CMSIS HAL version number       */
75
 
76
#define __CORTEX_SC                 (000)                                       /*!< Cortex secure core             */
77
 
78
 
79
#if   defined ( __CC_ARM )
80
  #define __ASM            __asm                                      /*!< asm keyword for ARM Compiler          */
81
  #define __INLINE         __inline                                   /*!< inline keyword for ARM Compiler       */
82
  #define __STATIC_INLINE  static __inline
83
 
84
#elif defined ( __GNUC__ )
85
  #define __ASM            __asm                                      /*!< asm keyword for GNU Compiler          */
86
  #define __INLINE         inline                                     /*!< inline keyword for GNU Compiler       */
87
  #define __STATIC_INLINE  static inline
88
 
89
#elif defined ( __ICCARM__ )
90
  #define __ASM            __asm                                      /*!< asm keyword for IAR Compiler          */
91
  #define __INLINE         inline                                     /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
92
  #define __STATIC_INLINE  static inline
93
 
94
#elif defined ( __TMS470__ )
95
  #define __ASM            __asm                                      /*!< asm keyword for TI CCS Compiler       */
96
  #define __STATIC_INLINE  static inline
97
 
98
#elif defined ( __TASKING__ )
99
  #define __ASM            __asm                                      /*!< asm keyword for TASKING Compiler      */
100
  #define __INLINE         inline                                     /*!< inline keyword for TASKING Compiler   */
101
  #define __STATIC_INLINE  static inline
102
 
103
#elif defined ( __CSMC__ )
104
  #define __packed
105
  #define __ASM            _asm                                      /*!< asm keyword for COSMIC Compiler      */
106
  #define __INLINE         inline                                    /*use -pc99 on compile line !< inline keyword for COSMIC Compiler   */
107
  #define __STATIC_INLINE  static inline
108
 
109
#endif
110
 
111
/** __FPU_USED indicates whether an FPU is used or not.
112
    This core does not support an FPU at all
113
*/
114
#define __FPU_USED       0
115
 
116
#if defined ( __CC_ARM )
117
  #if defined __TARGET_FPU_VFP
118
    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
119
  #endif
120
 
121
#elif defined ( __GNUC__ )
122
  #if defined (__VFP_FP__) && !defined(__SOFTFP__)
123
    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
124
  #endif
125
 
126
#elif defined ( __ICCARM__ )
127
  #if defined __ARMVFP__
128
    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
129
  #endif
130
 
131
#elif defined ( __TMS470__ )
132
  #if defined __TI__VFP_SUPPORT____
133
    #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
134
  #endif
135
 
136
#elif defined ( __TASKING__ )
137
  #if defined __FPU_VFP__
138
    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
139
  #endif
140
 
141
#elif defined ( __CSMC__ )              /* Cosmic */
142
  #if ( __CSMC__ & 0x400)               // FPU present for parser
143
    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
144
  #endif
145
#endif
146
 
147
#include <stdint.h>                      /* standard types definitions                      */
148
#include <core_cmInstr.h>                /* Core Instruction Access                         */
149
#include <core_cmFunc.h>                 /* Core Function Access                            */
150
 
151
#ifdef __cplusplus
152
}
153
#endif
154
 
155
#endif /* __CORE_SC000_H_GENERIC */
156
 
157
#ifndef __CMSIS_GENERIC
158
 
159
#ifndef __CORE_SC000_H_DEPENDANT
160
#define __CORE_SC000_H_DEPENDANT
161
 
162
#ifdef __cplusplus
163
 extern "C" {
164
#endif
165
 
166
/* check device defines and use defaults */
167
#if defined __CHECK_DEVICE_DEFINES
168
  #ifndef __SC000_REV
169
    #define __SC000_REV             0x0000
170
    #warning "__SC000_REV not defined in device header file; using default!"
171
  #endif
172
 
173
  #ifndef __MPU_PRESENT
174
    #define __MPU_PRESENT             0
175
    #warning "__MPU_PRESENT not defined in device header file; using default!"
176
  #endif
177
 
178
  #ifndef __NVIC_PRIO_BITS
179
    #define __NVIC_PRIO_BITS          2
180
    #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
181
  #endif
182
 
183
  #ifndef __Vendor_SysTickConfig
184
    #define __Vendor_SysTickConfig    0
185
    #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
186
  #endif
187
#endif
188
 
189
/* IO definitions (access restrictions to peripheral registers) */
190
/**
191
    \defgroup CMSIS_glob_defs CMSIS Global Defines
192
 
193
    <strong>IO Type Qualifiers</strong> are used
194
    \li to specify the access to peripheral variables.
195
    \li for automatic generation of peripheral register debug information.
196
*/
197
#ifdef __cplusplus
198
  #define   __I     volatile             /*!< Defines 'read only' permissions                 */
199
#else
200
  #define   __I     volatile const       /*!< Defines 'read only' permissions                 */
201
#endif
202
#define     __O     volatile             /*!< Defines 'write only' permissions                */
203
#define     __IO    volatile             /*!< Defines 'read / write' permissions              */
204
 
205
/*@} end of group SC000 */
206
 
207
 
208
 
209
/*******************************************************************************
210
 *                 Register Abstraction
211
  Core Register contain:
212
  - Core Register
213
  - Core NVIC Register
214
  - Core SCB Register
215
  - Core SysTick Register
216
  - Core MPU Register
217
 ******************************************************************************/
218
/** \defgroup CMSIS_core_register Defines and Type Definitions
219
    \brief Type definitions and defines for Cortex-M processor based devices.
220
*/
221
 
222
/** \ingroup    CMSIS_core_register
223
    \defgroup   CMSIS_CORE  Status and Control Registers
224
    \brief  Core Register type definitions.
225
  @{
226
 */
227
 
228
/** \brief  Union type to access the Application Program Status Register (APSR).
229
 */
230
typedef union
231
{
232
  struct
233
  {
234
    uint32_t _reserved0:28;              /*!< bit:  0..27  Reserved                           */
235
    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
236
    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
237
    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
238
    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
239
  } b;                                   /*!< Structure used for bit  access                  */
240
  uint32_t w;                            /*!< Type      used for word access                  */
241
} APSR_Type;
242
 
243
/* APSR Register Definitions */
244
#define APSR_N_Pos                         31                                             /*!< APSR: N Position */
245
#define APSR_N_Msk                         (1UL << APSR_N_Pos)                            /*!< APSR: N Mask */
246
 
247
#define APSR_Z_Pos                         30                                             /*!< APSR: Z Position */
248
#define APSR_Z_Msk                         (1UL << APSR_Z_Pos)                            /*!< APSR: Z Mask */
249
 
250
#define APSR_C_Pos                         29                                             /*!< APSR: C Position */
251
#define APSR_C_Msk                         (1UL << APSR_C_Pos)                            /*!< APSR: C Mask */
252
 
253
#define APSR_V_Pos                         28                                             /*!< APSR: V Position */
254
#define APSR_V_Msk                         (1UL << APSR_V_Pos)                            /*!< APSR: V Mask */
255
 
256
 
257
/** \brief  Union type to access the Interrupt Program Status Register (IPSR).
258
 */
259
typedef union
260
{
261
  struct
262
  {
263
    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
264
    uint32_t _reserved0:23;              /*!< bit:  9..31  Reserved                           */
265
  } b;                                   /*!< Structure used for bit  access                  */
266
  uint32_t w;                            /*!< Type      used for word access                  */
267
} IPSR_Type;
268
 
269
/* IPSR Register Definitions */
270
#define IPSR_ISR_Pos                        0                                             /*!< IPSR: ISR Position */
271
#define IPSR_ISR_Msk                       (0x1FFUL /*<< IPSR_ISR_Pos*/)                  /*!< IPSR: ISR Mask */
272
 
273
 
274
/** \brief  Union type to access the Special-Purpose Program Status Registers (xPSR).
275
 */
276
typedef union
277
{
278
  struct
279
  {
280
    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
281
    uint32_t _reserved0:15;              /*!< bit:  9..23  Reserved                           */
282
    uint32_t T:1;                        /*!< bit:     24  Thumb bit        (read 0)          */
283
    uint32_t _reserved1:3;               /*!< bit: 25..27  Reserved                           */
284
    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
285
    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
286
    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
287
    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
288
  } b;                                   /*!< Structure used for bit  access                  */
289
  uint32_t w;                            /*!< Type      used for word access                  */
290
} xPSR_Type;
291
 
292
/* xPSR Register Definitions */
293
#define xPSR_N_Pos                         31                                             /*!< xPSR: N Position */
294
#define xPSR_N_Msk                         (1UL << xPSR_N_Pos)                            /*!< xPSR: N Mask */
295
 
296
#define xPSR_Z_Pos                         30                                             /*!< xPSR: Z Position */
297
#define xPSR_Z_Msk                         (1UL << xPSR_Z_Pos)                            /*!< xPSR: Z Mask */
298
 
299
#define xPSR_C_Pos                         29                                             /*!< xPSR: C Position */
300
#define xPSR_C_Msk                         (1UL << xPSR_C_Pos)                            /*!< xPSR: C Mask */
301
 
302
#define xPSR_V_Pos                         28                                             /*!< xPSR: V Position */
303
#define xPSR_V_Msk                         (1UL << xPSR_V_Pos)                            /*!< xPSR: V Mask */
304
 
305
#define xPSR_T_Pos                         24                                             /*!< xPSR: T Position */
306
#define xPSR_T_Msk                         (1UL << xPSR_T_Pos)                            /*!< xPSR: T Mask */
307
 
308
#define xPSR_ISR_Pos                        0                                             /*!< xPSR: ISR Position */
309
#define xPSR_ISR_Msk                       (0x1FFUL /*<< xPSR_ISR_Pos*/)                  /*!< xPSR: ISR Mask */
310
 
311
 
312
/** \brief  Union type to access the Control Registers (CONTROL).
313
 */
314
typedef union
315
{
316
  struct
317
  {
318
    uint32_t _reserved0:1;               /*!< bit:      0  Reserved                           */
319
    uint32_t SPSEL:1;                    /*!< bit:      1  Stack to be used                   */
320
    uint32_t _reserved1:30;              /*!< bit:  2..31  Reserved                           */
321
  } b;                                   /*!< Structure used for bit  access                  */
322
  uint32_t w;                            /*!< Type      used for word access                  */
323
} CONTROL_Type;
324
 
325
/* CONTROL Register Definitions */
326
#define CONTROL_SPSEL_Pos                   1                                             /*!< CONTROL: SPSEL Position */
327
#define CONTROL_SPSEL_Msk                  (1UL << CONTROL_SPSEL_Pos)                     /*!< CONTROL: SPSEL Mask */
328
 
329
/*@} end of group CMSIS_CORE */
330
 
331
 
332
/** \ingroup    CMSIS_core_register
333
    \defgroup   CMSIS_NVIC  Nested Vectored Interrupt Controller (NVIC)
334
    \brief      Type definitions for the NVIC Registers
335
  @{
336
 */
337
 
338
/** \brief  Structure type to access the Nested Vectored Interrupt Controller (NVIC).
339
 */
340
typedef struct
341
{
342
  __IO uint32_t ISER[1];                 /*!< Offset: 0x000 (R/W)  Interrupt Set Enable Register           */
343
       uint32_t RESERVED0[31];
344
  __IO uint32_t ICER[1];                 /*!< Offset: 0x080 (R/W)  Interrupt Clear Enable Register          */
345
       uint32_t RSERVED1[31];
346
  __IO uint32_t ISPR[1];                 /*!< Offset: 0x100 (R/W)  Interrupt Set Pending Register           */
347
       uint32_t RESERVED2[31];
348
  __IO uint32_t ICPR[1];                 /*!< Offset: 0x180 (R/W)  Interrupt Clear Pending Register         */
349
       uint32_t RESERVED3[31];
350
       uint32_t RESERVED4[64];
351
  __IO uint32_t IP[8];                   /*!< Offset: 0x300 (R/W)  Interrupt Priority Register              */
352
}  NVIC_Type;
353
 
354
/*@} end of group CMSIS_NVIC */
355
 
356
 
357
/** \ingroup  CMSIS_core_register
358
    \defgroup CMSIS_SCB     System Control Block (SCB)
359
    \brief      Type definitions for the System Control Block Registers
360
  @{
361
 */
362
 
363
/** \brief  Structure type to access the System Control Block (SCB).
364
 */
365
typedef struct
366
{
367
  __I  uint32_t CPUID;                   /*!< Offset: 0x000 (R/ )  CPUID Base Register                                   */
368
  __IO uint32_t ICSR;                    /*!< Offset: 0x004 (R/W)  Interrupt Control and State Register                  */
369
  __IO uint32_t VTOR;                    /*!< Offset: 0x008 (R/W)  Vector Table Offset Register                          */
370
  __IO uint32_t AIRCR;                   /*!< Offset: 0x00C (R/W)  Application Interrupt and Reset Control Register      */
371
  __IO uint32_t SCR;                     /*!< Offset: 0x010 (R/W)  System Control Register                               */
372
  __IO uint32_t CCR;                     /*!< Offset: 0x014 (R/W)  Configuration Control Register                        */
373
       uint32_t RESERVED0[1];
374
  __IO uint32_t SHP[2];                  /*!< Offset: 0x01C (R/W)  System Handlers Priority Registers. [0] is RESERVED   */
375
  __IO uint32_t SHCSR;                   /*!< Offset: 0x024 (R/W)  System Handler Control and State Register             */
376
       uint32_t RESERVED1[154];
377
  __IO uint32_t SFCR;                    /*!< Offset: 0x290 (R/W)  Security Features Control Register                    */
378
} SCB_Type;
379
 
380
/* SCB CPUID Register Definitions */
381
#define SCB_CPUID_IMPLEMENTER_Pos          24                                             /*!< SCB CPUID: IMPLEMENTER Position */
382
#define SCB_CPUID_IMPLEMENTER_Msk          (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos)          /*!< SCB CPUID: IMPLEMENTER Mask */
383
 
384
#define SCB_CPUID_VARIANT_Pos              20                                             /*!< SCB CPUID: VARIANT Position */
385
#define SCB_CPUID_VARIANT_Msk              (0xFUL << SCB_CPUID_VARIANT_Pos)               /*!< SCB CPUID: VARIANT Mask */
386
 
387
#define SCB_CPUID_ARCHITECTURE_Pos         16                                             /*!< SCB CPUID: ARCHITECTURE Position */
388
#define SCB_CPUID_ARCHITECTURE_Msk         (0xFUL << SCB_CPUID_ARCHITECTURE_Pos)          /*!< SCB CPUID: ARCHITECTURE Mask */
389
 
390
#define SCB_CPUID_PARTNO_Pos                4                                             /*!< SCB CPUID: PARTNO Position */
391
#define SCB_CPUID_PARTNO_Msk               (0xFFFUL << SCB_CPUID_PARTNO_Pos)              /*!< SCB CPUID: PARTNO Mask */
392
 
393
#define SCB_CPUID_REVISION_Pos              0                                             /*!< SCB CPUID: REVISION Position */
394
#define SCB_CPUID_REVISION_Msk             (0xFUL /*<< SCB_CPUID_REVISION_Pos*/)          /*!< SCB CPUID: REVISION Mask */
395
 
396
/* SCB Interrupt Control State Register Definitions */
397
#define SCB_ICSR_NMIPENDSET_Pos            31                                             /*!< SCB ICSR: NMIPENDSET Position */
398
#define SCB_ICSR_NMIPENDSET_Msk            (1UL << SCB_ICSR_NMIPENDSET_Pos)               /*!< SCB ICSR: NMIPENDSET Mask */
399
 
400
#define SCB_ICSR_PENDSVSET_Pos             28                                             /*!< SCB ICSR: PENDSVSET Position */
401
#define SCB_ICSR_PENDSVSET_Msk             (1UL << SCB_ICSR_PENDSVSET_Pos)                /*!< SCB ICSR: PENDSVSET Mask */
402
 
403
#define SCB_ICSR_PENDSVCLR_Pos             27                                             /*!< SCB ICSR: PENDSVCLR Position */
404
#define SCB_ICSR_PENDSVCLR_Msk             (1UL << SCB_ICSR_PENDSVCLR_Pos)                /*!< SCB ICSR: PENDSVCLR Mask */
405
 
406
#define SCB_ICSR_PENDSTSET_Pos             26                                             /*!< SCB ICSR: PENDSTSET Position */
407
#define SCB_ICSR_PENDSTSET_Msk             (1UL << SCB_ICSR_PENDSTSET_Pos)                /*!< SCB ICSR: PENDSTSET Mask */
408
 
409
#define SCB_ICSR_PENDSTCLR_Pos             25                                             /*!< SCB ICSR: PENDSTCLR Position */
410
#define SCB_ICSR_PENDSTCLR_Msk             (1UL << SCB_ICSR_PENDSTCLR_Pos)                /*!< SCB ICSR: PENDSTCLR Mask */
411
 
412
#define SCB_ICSR_ISRPREEMPT_Pos            23                                             /*!< SCB ICSR: ISRPREEMPT Position */
413
#define SCB_ICSR_ISRPREEMPT_Msk            (1UL << SCB_ICSR_ISRPREEMPT_Pos)               /*!< SCB ICSR: ISRPREEMPT Mask */
414
 
415
#define SCB_ICSR_ISRPENDING_Pos            22                                             /*!< SCB ICSR: ISRPENDING Position */
416
#define SCB_ICSR_ISRPENDING_Msk            (1UL << SCB_ICSR_ISRPENDING_Pos)               /*!< SCB ICSR: ISRPENDING Mask */
417
 
418
#define SCB_ICSR_VECTPENDING_Pos           12                                             /*!< SCB ICSR: VECTPENDING Position */
419
#define SCB_ICSR_VECTPENDING_Msk           (0x1FFUL << SCB_ICSR_VECTPENDING_Pos)          /*!< SCB ICSR: VECTPENDING Mask */
420
 
421
#define SCB_ICSR_VECTACTIVE_Pos             0                                             /*!< SCB ICSR: VECTACTIVE Position */
422
#define SCB_ICSR_VECTACTIVE_Msk            (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/)       /*!< SCB ICSR: VECTACTIVE Mask */
423
 
424
/* SCB Interrupt Control State Register Definitions */
425
#define SCB_VTOR_TBLOFF_Pos                 7                                             /*!< SCB VTOR: TBLOFF Position */
426
#define SCB_VTOR_TBLOFF_Msk                (0x1FFFFFFUL << SCB_VTOR_TBLOFF_Pos)           /*!< SCB VTOR: TBLOFF Mask */
427
 
428
/* SCB Application Interrupt and Reset Control Register Definitions */
429
#define SCB_AIRCR_VECTKEY_Pos              16                                             /*!< SCB AIRCR: VECTKEY Position */
430
#define SCB_AIRCR_VECTKEY_Msk              (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos)            /*!< SCB AIRCR: VECTKEY Mask */
431
 
432
#define SCB_AIRCR_VECTKEYSTAT_Pos          16                                             /*!< SCB AIRCR: VECTKEYSTAT Position */
433
#define SCB_AIRCR_VECTKEYSTAT_Msk          (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos)        /*!< SCB AIRCR: VECTKEYSTAT Mask */
434
 
435
#define SCB_AIRCR_ENDIANESS_Pos            15                                             /*!< SCB AIRCR: ENDIANESS Position */
436
#define SCB_AIRCR_ENDIANESS_Msk            (1UL << SCB_AIRCR_ENDIANESS_Pos)               /*!< SCB AIRCR: ENDIANESS Mask */
437
 
438
#define SCB_AIRCR_SYSRESETREQ_Pos           2                                             /*!< SCB AIRCR: SYSRESETREQ Position */
439
#define SCB_AIRCR_SYSRESETREQ_Msk          (1UL << SCB_AIRCR_SYSRESETREQ_Pos)             /*!< SCB AIRCR: SYSRESETREQ Mask */
440
 
441
#define SCB_AIRCR_VECTCLRACTIVE_Pos         1                                             /*!< SCB AIRCR: VECTCLRACTIVE Position */
442
#define SCB_AIRCR_VECTCLRACTIVE_Msk        (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos)           /*!< SCB AIRCR: VECTCLRACTIVE Mask */
443
 
444
/* SCB System Control Register Definitions */
445
#define SCB_SCR_SEVONPEND_Pos               4                                             /*!< SCB SCR: SEVONPEND Position */
446
#define SCB_SCR_SEVONPEND_Msk              (1UL << SCB_SCR_SEVONPEND_Pos)                 /*!< SCB SCR: SEVONPEND Mask */
447
 
448
#define SCB_SCR_SLEEPDEEP_Pos               2                                             /*!< SCB SCR: SLEEPDEEP Position */
449
#define SCB_SCR_SLEEPDEEP_Msk              (1UL << SCB_SCR_SLEEPDEEP_Pos)                 /*!< SCB SCR: SLEEPDEEP Mask */
450
 
451
#define SCB_SCR_SLEEPONEXIT_Pos             1                                             /*!< SCB SCR: SLEEPONEXIT Position */
452
#define SCB_SCR_SLEEPONEXIT_Msk            (1UL << SCB_SCR_SLEEPONEXIT_Pos)               /*!< SCB SCR: SLEEPONEXIT Mask */
453
 
454
/* SCB Configuration Control Register Definitions */
455
#define SCB_CCR_STKALIGN_Pos                9                                             /*!< SCB CCR: STKALIGN Position */
456
#define SCB_CCR_STKALIGN_Msk               (1UL << SCB_CCR_STKALIGN_Pos)                  /*!< SCB CCR: STKALIGN Mask */
457
 
458
#define SCB_CCR_UNALIGN_TRP_Pos             3                                             /*!< SCB CCR: UNALIGN_TRP Position */
459
#define SCB_CCR_UNALIGN_TRP_Msk            (1UL << SCB_CCR_UNALIGN_TRP_Pos)               /*!< SCB CCR: UNALIGN_TRP Mask */
460
 
461
/* SCB System Handler Control and State Register Definitions */
462
#define SCB_SHCSR_SVCALLPENDED_Pos         15                                             /*!< SCB SHCSR: SVCALLPENDED Position */
463
#define SCB_SHCSR_SVCALLPENDED_Msk         (1UL << SCB_SHCSR_SVCALLPENDED_Pos)            /*!< SCB SHCSR: SVCALLPENDED Mask */
464
 
465
/*@} end of group CMSIS_SCB */
466
 
467
 
468
/** \ingroup  CMSIS_core_register
469
    \defgroup CMSIS_SCnSCB System Controls not in SCB (SCnSCB)
470
    \brief      Type definitions for the System Control and ID Register not in the SCB
471
  @{
472
 */
473
 
474
/** \brief  Structure type to access the System Control and ID Register not in the SCB.
475
 */
476
typedef struct
477
{
478
       uint32_t RESERVED0[2];
479
  __IO uint32_t ACTLR;                   /*!< Offset: 0x008 (R/W)  Auxiliary Control Register      */
480
} SCnSCB_Type;
481
 
482
/* Auxiliary Control Register Definitions */
483
#define SCnSCB_ACTLR_DISMCYCINT_Pos         0                                          /*!< ACTLR: DISMCYCINT Position */
484
#define SCnSCB_ACTLR_DISMCYCINT_Msk        (1UL /*<< SCnSCB_ACTLR_DISMCYCINT_Pos*/)    /*!< ACTLR: DISMCYCINT Mask */
485
 
486
/*@} end of group CMSIS_SCnotSCB */
487
 
488
 
489
/** \ingroup  CMSIS_core_register
490
    \defgroup CMSIS_SysTick     System Tick Timer (SysTick)
491
    \brief      Type definitions for the System Timer Registers.
492
  @{
493
 */
494
 
495
/** \brief  Structure type to access the System Timer (SysTick).
496
 */
497
typedef struct
498
{
499
  __IO uint32_t CTRL;                    /*!< Offset: 0x000 (R/W)  SysTick Control and Status Register */
500
  __IO uint32_t LOAD;                    /*!< Offset: 0x004 (R/W)  SysTick Reload Value Register       */
501
  __IO uint32_t VAL;                     /*!< Offset: 0x008 (R/W)  SysTick Current Value Register      */
502
  __I  uint32_t CALIB;                   /*!< Offset: 0x00C (R/ )  SysTick Calibration Register        */
503
} SysTick_Type;
504
 
505
/* SysTick Control / Status Register Definitions */
506
#define SysTick_CTRL_COUNTFLAG_Pos         16                                             /*!< SysTick CTRL: COUNTFLAG Position */
507
#define SysTick_CTRL_COUNTFLAG_Msk         (1UL << SysTick_CTRL_COUNTFLAG_Pos)            /*!< SysTick CTRL: COUNTFLAG Mask */
508
 
509
#define SysTick_CTRL_CLKSOURCE_Pos          2                                             /*!< SysTick CTRL: CLKSOURCE Position */
510
#define SysTick_CTRL_CLKSOURCE_Msk         (1UL << SysTick_CTRL_CLKSOURCE_Pos)            /*!< SysTick CTRL: CLKSOURCE Mask */
511
 
512
#define SysTick_CTRL_TICKINT_Pos            1                                             /*!< SysTick CTRL: TICKINT Position */
513
#define SysTick_CTRL_TICKINT_Msk           (1UL << SysTick_CTRL_TICKINT_Pos)              /*!< SysTick CTRL: TICKINT Mask */
514
 
515
#define SysTick_CTRL_ENABLE_Pos             0                                             /*!< SysTick CTRL: ENABLE Position */
516
#define SysTick_CTRL_ENABLE_Msk            (1UL /*<< SysTick_CTRL_ENABLE_Pos*/)           /*!< SysTick CTRL: ENABLE Mask */
517
 
518
/* SysTick Reload Register Definitions */
519
#define SysTick_LOAD_RELOAD_Pos             0                                             /*!< SysTick LOAD: RELOAD Position */
520
#define SysTick_LOAD_RELOAD_Msk            (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/)    /*!< SysTick LOAD: RELOAD Mask */
521
 
522
/* SysTick Current Register Definitions */
523
#define SysTick_VAL_CURRENT_Pos             0                                             /*!< SysTick VAL: CURRENT Position */
524
#define SysTick_VAL_CURRENT_Msk            (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/)    /*!< SysTick VAL: CURRENT Mask */
525
 
526
/* SysTick Calibration Register Definitions */
527
#define SysTick_CALIB_NOREF_Pos            31                                             /*!< SysTick CALIB: NOREF Position */
528
#define SysTick_CALIB_NOREF_Msk            (1UL << SysTick_CALIB_NOREF_Pos)               /*!< SysTick CALIB: NOREF Mask */
529
 
530
#define SysTick_CALIB_SKEW_Pos             30                                             /*!< SysTick CALIB: SKEW Position */
531
#define SysTick_CALIB_SKEW_Msk             (1UL << SysTick_CALIB_SKEW_Pos)                /*!< SysTick CALIB: SKEW Mask */
532
 
533
#define SysTick_CALIB_TENMS_Pos             0                                             /*!< SysTick CALIB: TENMS Position */
534
#define SysTick_CALIB_TENMS_Msk            (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/)    /*!< SysTick CALIB: TENMS Mask */
535
 
536
/*@} end of group CMSIS_SysTick */
537
 
538
#if (__MPU_PRESENT == 1)
539
/** \ingroup  CMSIS_core_register
540
    \defgroup CMSIS_MPU     Memory Protection Unit (MPU)
541
    \brief      Type definitions for the Memory Protection Unit (MPU)
542
  @{
543
 */
544
 
545
/** \brief  Structure type to access the Memory Protection Unit (MPU).
546
 */
547
typedef struct
548
{
549
  __I  uint32_t TYPE;                    /*!< Offset: 0x000 (R/ )  MPU Type Register                              */
550
  __IO uint32_t CTRL;                    /*!< Offset: 0x004 (R/W)  MPU Control Register                           */
551
  __IO uint32_t RNR;                     /*!< Offset: 0x008 (R/W)  MPU Region RNRber Register                     */
552
  __IO uint32_t RBAR;                    /*!< Offset: 0x00C (R/W)  MPU Region Base Address Register               */
553
  __IO uint32_t RASR;                    /*!< Offset: 0x010 (R/W)  MPU Region Attribute and Size Register         */
554
} MPU_Type;
555
 
556
/* MPU Type Register */
557
#define MPU_TYPE_IREGION_Pos               16                                             /*!< MPU TYPE: IREGION Position */
558
#define MPU_TYPE_IREGION_Msk               (0xFFUL << MPU_TYPE_IREGION_Pos)               /*!< MPU TYPE: IREGION Mask */
559
 
560
#define MPU_TYPE_DREGION_Pos                8                                             /*!< MPU TYPE: DREGION Position */
561
#define MPU_TYPE_DREGION_Msk               (0xFFUL << MPU_TYPE_DREGION_Pos)               /*!< MPU TYPE: DREGION Mask */
562
 
563
#define MPU_TYPE_SEPARATE_Pos               0                                             /*!< MPU TYPE: SEPARATE Position */
564
#define MPU_TYPE_SEPARATE_Msk              (1UL /*<< MPU_TYPE_SEPARATE_Pos*/)             /*!< MPU TYPE: SEPARATE Mask */
565
 
566
/* MPU Control Register */
567
#define MPU_CTRL_PRIVDEFENA_Pos             2                                             /*!< MPU CTRL: PRIVDEFENA Position */
568
#define MPU_CTRL_PRIVDEFENA_Msk            (1UL << MPU_CTRL_PRIVDEFENA_Pos)               /*!< MPU CTRL: PRIVDEFENA Mask */
569
 
570
#define MPU_CTRL_HFNMIENA_Pos               1                                             /*!< MPU CTRL: HFNMIENA Position */
571
#define MPU_CTRL_HFNMIENA_Msk              (1UL << MPU_CTRL_HFNMIENA_Pos)                 /*!< MPU CTRL: HFNMIENA Mask */
572
 
573
#define MPU_CTRL_ENABLE_Pos                 0                                             /*!< MPU CTRL: ENABLE Position */
574
#define MPU_CTRL_ENABLE_Msk                (1UL /*<< MPU_CTRL_ENABLE_Pos*/)               /*!< MPU CTRL: ENABLE Mask */
575
 
576
/* MPU Region Number Register */
577
#define MPU_RNR_REGION_Pos                  0                                             /*!< MPU RNR: REGION Position */
578
#define MPU_RNR_REGION_Msk                 (0xFFUL /*<< MPU_RNR_REGION_Pos*/)             /*!< MPU RNR: REGION Mask */
579
 
580
/* MPU Region Base Address Register */
581
#define MPU_RBAR_ADDR_Pos                   8                                             /*!< MPU RBAR: ADDR Position */
582
#define MPU_RBAR_ADDR_Msk                  (0xFFFFFFUL << MPU_RBAR_ADDR_Pos)              /*!< MPU RBAR: ADDR Mask */
583
 
584
#define MPU_RBAR_VALID_Pos                  4                                             /*!< MPU RBAR: VALID Position */
585
#define MPU_RBAR_VALID_Msk                 (1UL << MPU_RBAR_VALID_Pos)                    /*!< MPU RBAR: VALID Mask */
586
 
587
#define MPU_RBAR_REGION_Pos                 0                                             /*!< MPU RBAR: REGION Position */
588
#define MPU_RBAR_REGION_Msk                (0xFUL /*<< MPU_RBAR_REGION_Pos*/)             /*!< MPU RBAR: REGION Mask */
589
 
590
/* MPU Region Attribute and Size Register */
591
#define MPU_RASR_ATTRS_Pos                 16                                             /*!< MPU RASR: MPU Region Attribute field Position */
592
#define MPU_RASR_ATTRS_Msk                 (0xFFFFUL << MPU_RASR_ATTRS_Pos)               /*!< MPU RASR: MPU Region Attribute field Mask */
593
 
594
#define MPU_RASR_XN_Pos                    28                                             /*!< MPU RASR: ATTRS.XN Position */
595
#define MPU_RASR_XN_Msk                    (1UL << MPU_RASR_XN_Pos)                       /*!< MPU RASR: ATTRS.XN Mask */
596
 
597
#define MPU_RASR_AP_Pos                    24                                             /*!< MPU RASR: ATTRS.AP Position */
598
#define MPU_RASR_AP_Msk                    (0x7UL << MPU_RASR_AP_Pos)                     /*!< MPU RASR: ATTRS.AP Mask */
599
 
600
#define MPU_RASR_TEX_Pos                   19                                             /*!< MPU RASR: ATTRS.TEX Position */
601
#define MPU_RASR_TEX_Msk                   (0x7UL << MPU_RASR_TEX_Pos)                    /*!< MPU RASR: ATTRS.TEX Mask */
602
 
603
#define MPU_RASR_S_Pos                     18                                             /*!< MPU RASR: ATTRS.S Position */
604
#define MPU_RASR_S_Msk                     (1UL << MPU_RASR_S_Pos)                        /*!< MPU RASR: ATTRS.S Mask */
605
 
606
#define MPU_RASR_C_Pos                     17                                             /*!< MPU RASR: ATTRS.C Position */
607
#define MPU_RASR_C_Msk                     (1UL << MPU_RASR_C_Pos)                        /*!< MPU RASR: ATTRS.C Mask */
608
 
609
#define MPU_RASR_B_Pos                     16                                             /*!< MPU RASR: ATTRS.B Position */
610
#define MPU_RASR_B_Msk                     (1UL << MPU_RASR_B_Pos)                        /*!< MPU RASR: ATTRS.B Mask */
611
 
612
#define MPU_RASR_SRD_Pos                    8                                             /*!< MPU RASR: Sub-Region Disable Position */
613
#define MPU_RASR_SRD_Msk                   (0xFFUL << MPU_RASR_SRD_Pos)                   /*!< MPU RASR: Sub-Region Disable Mask */
614
 
615
#define MPU_RASR_SIZE_Pos                   1                                             /*!< MPU RASR: Region Size Field Position */
616
#define MPU_RASR_SIZE_Msk                  (0x1FUL << MPU_RASR_SIZE_Pos)                  /*!< MPU RASR: Region Size Field Mask */
617
 
618
#define MPU_RASR_ENABLE_Pos                 0                                             /*!< MPU RASR: Region enable bit Position */
619
#define MPU_RASR_ENABLE_Msk                (1UL /*<< MPU_RASR_ENABLE_Pos*/)               /*!< MPU RASR: Region enable bit Disable Mask */
620
 
621
/*@} end of group CMSIS_MPU */
622
#endif
623
 
624
 
625
/** \ingroup  CMSIS_core_register
626
    \defgroup CMSIS_CoreDebug       Core Debug Registers (CoreDebug)
627
    \brief      SC000 Core Debug Registers (DCB registers, SHCSR, and DFSR)
628
                are only accessible over DAP and not via processor. Therefore
629
                they are not covered by the Cortex-M0 header file.
630
  @{
631
 */
632
/*@} end of group CMSIS_CoreDebug */
633
 
634
 
635
/** \ingroup    CMSIS_core_register
636
    \defgroup   CMSIS_core_base     Core Definitions
637
    \brief      Definitions for base addresses, unions, and structures.
638
  @{
639
 */
640
 
641
/* Memory mapping of SC000 Hardware */
642
#define SCS_BASE            (0xE000E000UL)                            /*!< System Control Space Base Address */
643
#define SysTick_BASE        (SCS_BASE +  0x0010UL)                    /*!< SysTick Base Address              */
644
#define NVIC_BASE           (SCS_BASE +  0x0100UL)                    /*!< NVIC Base Address                 */
645
#define SCB_BASE            (SCS_BASE +  0x0D00UL)                    /*!< System Control Block Base Address */
646
 
647
#define SCnSCB              ((SCnSCB_Type    *)     SCS_BASE      )   /*!< System control Register not in SCB */
648
#define SCB                 ((SCB_Type       *)     SCB_BASE      )   /*!< SCB configuration struct           */
649
#define SysTick             ((SysTick_Type   *)     SysTick_BASE  )   /*!< SysTick configuration struct       */
650
#define NVIC                ((NVIC_Type      *)     NVIC_BASE     )   /*!< NVIC configuration struct          */
651
 
652
#if (__MPU_PRESENT == 1)
653
  #define MPU_BASE          (SCS_BASE +  0x0D90UL)                    /*!< Memory Protection Unit             */
654
  #define MPU               ((MPU_Type       *)     MPU_BASE      )   /*!< Memory Protection Unit             */
655
#endif
656
 
657
/*@} */
658
 
659
 
660
 
661
/*******************************************************************************
662
 *                Hardware Abstraction Layer
663
  Core Function Interface contains:
664
  - Core NVIC Functions
665
  - Core SysTick Functions
666
  - Core Register Access Functions
667
 ******************************************************************************/
668
/** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
669
*/
670
 
671
 
672
 
673
/* ##########################   NVIC functions  #################################### */
674
/** \ingroup  CMSIS_Core_FunctionInterface
675
    \defgroup CMSIS_Core_NVICFunctions NVIC Functions
676
    \brief      Functions that manage interrupts and exceptions via the NVIC.
677
    @{
678
 */
679
 
680
/* Interrupt Priorities are WORD accessible only under ARMv6M                   */
681
/* The following MACROS handle generation of the register offset and byte masks */
682
#define _BIT_SHIFT(IRQn)         (  ((((uint32_t)(int32_t)(IRQn))         )      &  0x03UL) * 8UL)
683
#define _SHP_IDX(IRQn)           ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >>    2UL)      )
684
#define _IP_IDX(IRQn)            (   (((uint32_t)(int32_t)(IRQn))                >>    2UL)      )
685
 
686
 
687
/** \brief  Enable External Interrupt
688
 
689
    The function enables a device-specific interrupt in the NVIC interrupt controller.
690
 
691
    \param [in]      IRQn  External interrupt number. Value cannot be negative.
692
 */
693
__STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
694
{
695
  NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
696
}
697
 
698
 
699
/** \brief  Disable External Interrupt
700
 
701
    The function disables a device-specific interrupt in the NVIC interrupt controller.
702
 
703
    \param [in]      IRQn  External interrupt number. Value cannot be negative.
704
 */
705
__STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
706
{
707
  NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
708
}
709
 
710
 
711
/** \brief  Get Pending Interrupt
712
 
713
    The function reads the pending register in the NVIC and returns the pending bit
714
    for the specified interrupt.
715
 
716
    \param [in]      IRQn  Interrupt number.
717
 
718
    \return             0  Interrupt status is not pending.
719
    \return             1  Interrupt status is pending.
720
 */
721
__STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
722
{
723
  return((uint32_t)(((NVIC->ISPR[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
724
}
725
 
726
 
727
/** \brief  Set Pending Interrupt
728
 
729
    The function sets the pending bit of an external interrupt.
730
 
731
    \param [in]      IRQn  Interrupt number. Value cannot be negative.
732
 */
733
__STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
734
{
735
  NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
736
}
737
 
738
 
739
/** \brief  Clear Pending Interrupt
740
 
741
    The function clears the pending bit of an external interrupt.
742
 
743
    \param [in]      IRQn  External interrupt number. Value cannot be negative.
744
 */
745
__STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
746
{
747
  NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
748
}
749
 
750
 
751
/** \brief  Set Interrupt Priority
752
 
753
    The function sets the priority of an interrupt.
754
 
755
    \note The priority cannot be set for every core interrupt.
756
 
757
    \param [in]      IRQn  Interrupt number.
758
    \param [in]  priority  Priority to set.
759
 */
760
__STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
761
{
762
  if((int32_t)(IRQn) < 0) {
763
    SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
764
       (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
765
  }
766
  else {
767
    NVIC->IP[_IP_IDX(IRQn)]  = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)]  & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
768
       (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
769
  }
770
}
771
 
772
 
773
/** \brief  Get Interrupt Priority
774
 
775
    The function reads the priority of an interrupt. The interrupt
776
    number can be positive to specify an external (device specific)
777
    interrupt, or negative to specify an internal (core) interrupt.
778
 
779
 
780
    \param [in]   IRQn  Interrupt number.
781
    \return             Interrupt Priority. Value is aligned automatically to the implemented
782
                        priority bits of the microcontroller.
783
 */
784
__STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
785
{
786
 
787
  if((int32_t)(IRQn) < 0) {
788
    return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
789
  }
790
  else {
791
    return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
792
  }
793
}
794
 
795
 
796
/** \brief  System Reset
797
 
798
    The function initiates a system reset request to reset the MCU.
799
 */
800
__STATIC_INLINE void NVIC_SystemReset(void)
801
{
802
  __DSB();                                                     /* Ensure all outstanding memory accesses included
803
                                                                  buffered write are completed before reset */
804
  SCB->AIRCR  = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
805
                 SCB_AIRCR_SYSRESETREQ_Msk);
806
  __DSB();                                                     /* Ensure completion of memory access */
807
  while(1) { __NOP(); }                                        /* wait until reset */
808
}
809
 
810
/*@} end of CMSIS_Core_NVICFunctions */
811
 
812
 
813
 
814
/* ##################################    SysTick function  ############################################ */
815
/** \ingroup  CMSIS_Core_FunctionInterface
816
    \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
817
    \brief      Functions that configure the System.
818
  @{
819
 */
820
 
821
#if (__Vendor_SysTickConfig == 0)
822
 
823
/** \brief  System Tick Configuration
824
 
825
    The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
826
    Counter is in free running mode to generate periodic interrupts.
827
 
828
    \param [in]  ticks  Number of ticks between two interrupts.
829
 
830
    \return          0  Function succeeded.
831
    \return          1  Function failed.
832
 
833
    \note     When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
834
    function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
835
    must contain a vendor-specific implementation of this function.
836
 
837
 */
838
__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
839
{
840
  if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) {return (1UL);}      /* Reload value impossible */
841
 
842
  SysTick->LOAD  = (uint32_t)(ticks - 1UL);                         /* set reload register */
843
  NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
844
  SysTick->VAL   = 0UL;                                             /* Load the SysTick Counter Value */
845
  SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
846
                   SysTick_CTRL_TICKINT_Msk   |
847
                   SysTick_CTRL_ENABLE_Msk;                         /* Enable SysTick IRQ and SysTick Timer */
848
  return (0UL);                                                     /* Function successful */
849
}
850
 
851
#endif
852
 
853
/*@} end of CMSIS_Core_SysTickFunctions */
854
 
855
 
856
 
857
 
858
#ifdef __cplusplus
859
}
860
#endif
861
 
862
#endif /* __CORE_SC000_H_DEPENDANT */
863
 
864
#endif /* __CMSIS_GENERIC */