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2 mjames 1
/**************************************************************************//**
2
 * @file     core_cm0.h
3
 * @brief    CMSIS Cortex-M0 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_CM0_H_GENERIC
43
#define __CORE_CM0_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 Cortex_M0
67
  @{
68
 */
69
 
70
/*  CMSIS CM0 definitions */
71
#define __CM0_CMSIS_VERSION_MAIN  (0x04)                                   /*!< [31:16] CMSIS HAL main version   */
72
#define __CM0_CMSIS_VERSION_SUB   (0x00)                                   /*!< [15:0]  CMSIS HAL sub version    */
73
#define __CM0_CMSIS_VERSION       ((__CM0_CMSIS_VERSION_MAIN << 16) | \
74
                                    __CM0_CMSIS_VERSION_SUB          )     /*!< CMSIS HAL version number         */
75
 
76
#define __CORTEX_M                (0x00)                                   /*!< Cortex-M 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_CM0_H_GENERIC */
156
 
157
#ifndef __CMSIS_GENERIC
158
 
159
#ifndef __CORE_CM0_H_DEPENDANT
160
#define __CORE_CM0_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 __CM0_REV
169
    #define __CM0_REV               0x0000
170
    #warning "__CM0_REV not defined in device header file; using default!"
171
  #endif
172
 
173
  #ifndef __NVIC_PRIO_BITS
174
    #define __NVIC_PRIO_BITS          2
175
    #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
176
  #endif
177
 
178
  #ifndef __Vendor_SysTickConfig
179
    #define __Vendor_SysTickConfig    0
180
    #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
181
  #endif
182
#endif
183
 
184
/* IO definitions (access restrictions to peripheral registers) */
185
/**
186
    \defgroup CMSIS_glob_defs CMSIS Global Defines
187
 
188
    <strong>IO Type Qualifiers</strong> are used
189
    \li to specify the access to peripheral variables.
190
    \li for automatic generation of peripheral register debug information.
191
*/
192
#ifdef __cplusplus
193
  #define   __I     volatile             /*!< Defines 'read only' permissions                 */
194
#else
195
  #define   __I     volatile const       /*!< Defines 'read only' permissions                 */
196
#endif
197
#define     __O     volatile             /*!< Defines 'write only' permissions                */
198
#define     __IO    volatile             /*!< Defines 'read / write' permissions              */
199
 
200
/*@} end of group Cortex_M0 */
201
 
202
 
203
 
204
/*******************************************************************************
205
 *                 Register Abstraction
206
  Core Register contain:
207
  - Core Register
208
  - Core NVIC Register
209
  - Core SCB Register
210
  - Core SysTick Register
211
 ******************************************************************************/
212
/** \defgroup CMSIS_core_register Defines and Type Definitions
213
    \brief Type definitions and defines for Cortex-M processor based devices.
214
*/
215
 
216
/** \ingroup    CMSIS_core_register
217
    \defgroup   CMSIS_CORE  Status and Control Registers
218
    \brief  Core Register type definitions.
219
  @{
220
 */
221
 
222
/** \brief  Union type to access the Application Program Status Register (APSR).
223
 */
224
typedef union
225
{
226
  struct
227
  {
228
    uint32_t _reserved0:28;              /*!< bit:  0..27  Reserved                           */
229
    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
230
    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
231
    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
232
    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
233
  } b;                                   /*!< Structure used for bit  access                  */
234
  uint32_t w;                            /*!< Type      used for word access                  */
235
} APSR_Type;
236
 
237
/* APSR Register Definitions */
238
#define APSR_N_Pos                         31                                             /*!< APSR: N Position */
239
#define APSR_N_Msk                         (1UL << APSR_N_Pos)                            /*!< APSR: N Mask */
240
 
241
#define APSR_Z_Pos                         30                                             /*!< APSR: Z Position */
242
#define APSR_Z_Msk                         (1UL << APSR_Z_Pos)                            /*!< APSR: Z Mask */
243
 
244
#define APSR_C_Pos                         29                                             /*!< APSR: C Position */
245
#define APSR_C_Msk                         (1UL << APSR_C_Pos)                            /*!< APSR: C Mask */
246
 
247
#define APSR_V_Pos                         28                                             /*!< APSR: V Position */
248
#define APSR_V_Msk                         (1UL << APSR_V_Pos)                            /*!< APSR: V Mask */
249
 
250
 
251
/** \brief  Union type to access the Interrupt Program Status Register (IPSR).
252
 */
253
typedef union
254
{
255
  struct
256
  {
257
    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
258
    uint32_t _reserved0:23;              /*!< bit:  9..31  Reserved                           */
259
  } b;                                   /*!< Structure used for bit  access                  */
260
  uint32_t w;                            /*!< Type      used for word access                  */
261
} IPSR_Type;
262
 
263
/* IPSR Register Definitions */
264
#define IPSR_ISR_Pos                        0                                             /*!< IPSR: ISR Position */
265
#define IPSR_ISR_Msk                       (0x1FFUL /*<< IPSR_ISR_Pos*/)                  /*!< IPSR: ISR Mask */
266
 
267
 
268
/** \brief  Union type to access the Special-Purpose Program Status Registers (xPSR).
269
 */
270
typedef union
271
{
272
  struct
273
  {
274
    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number                   */
275
    uint32_t _reserved0:15;              /*!< bit:  9..23  Reserved                           */
276
    uint32_t T:1;                        /*!< bit:     24  Thumb bit        (read 0)          */
277
    uint32_t _reserved1:3;               /*!< bit: 25..27  Reserved                           */
278
    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag       */
279
    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag          */
280
    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag           */
281
    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag       */
282
  } b;                                   /*!< Structure used for bit  access                  */
283
  uint32_t w;                            /*!< Type      used for word access                  */
284
} xPSR_Type;
285
 
286
/* xPSR Register Definitions */
287
#define xPSR_N_Pos                         31                                             /*!< xPSR: N Position */
288
#define xPSR_N_Msk                         (1UL << xPSR_N_Pos)                            /*!< xPSR: N Mask */
289
 
290
#define xPSR_Z_Pos                         30                                             /*!< xPSR: Z Position */
291
#define xPSR_Z_Msk                         (1UL << xPSR_Z_Pos)                            /*!< xPSR: Z Mask */
292
 
293
#define xPSR_C_Pos                         29                                             /*!< xPSR: C Position */
294
#define xPSR_C_Msk                         (1UL << xPSR_C_Pos)                            /*!< xPSR: C Mask */
295
 
296
#define xPSR_V_Pos                         28                                             /*!< xPSR: V Position */
297
#define xPSR_V_Msk                         (1UL << xPSR_V_Pos)                            /*!< xPSR: V Mask */
298
 
299
#define xPSR_T_Pos                         24                                             /*!< xPSR: T Position */
300
#define xPSR_T_Msk                         (1UL << xPSR_T_Pos)                            /*!< xPSR: T Mask */
301
 
302
#define xPSR_ISR_Pos                        0                                             /*!< xPSR: ISR Position */
303
#define xPSR_ISR_Msk                       (0x1FFUL /*<< xPSR_ISR_Pos*/)                  /*!< xPSR: ISR Mask */
304
 
305
 
306
/** \brief  Union type to access the Control Registers (CONTROL).
307
 */
308
typedef union
309
{
310
  struct
311
  {
312
    uint32_t _reserved0:1;               /*!< bit:      0  Reserved                           */
313
    uint32_t SPSEL:1;                    /*!< bit:      1  Stack to be used                   */
314
    uint32_t _reserved1:30;              /*!< bit:  2..31  Reserved                           */
315
  } b;                                   /*!< Structure used for bit  access                  */
316
  uint32_t w;                            /*!< Type      used for word access                  */
317
} CONTROL_Type;
318
 
319
/* CONTROL Register Definitions */
320
#define CONTROL_SPSEL_Pos                   1                                             /*!< CONTROL: SPSEL Position */
321
#define CONTROL_SPSEL_Msk                  (1UL << CONTROL_SPSEL_Pos)                     /*!< CONTROL: SPSEL Mask */
322
 
323
/*@} end of group CMSIS_CORE */
324
 
325
 
326
/** \ingroup    CMSIS_core_register
327
    \defgroup   CMSIS_NVIC  Nested Vectored Interrupt Controller (NVIC)
328
    \brief      Type definitions for the NVIC Registers
329
  @{
330
 */
331
 
332
/** \brief  Structure type to access the Nested Vectored Interrupt Controller (NVIC).
333
 */
334
typedef struct
335
{
336
  __IO uint32_t ISER[1];                 /*!< Offset: 0x000 (R/W)  Interrupt Set Enable Register           */
337
       uint32_t RESERVED0[31];
338
  __IO uint32_t ICER[1];                 /*!< Offset: 0x080 (R/W)  Interrupt Clear Enable Register          */
339
       uint32_t RSERVED1[31];
340
  __IO uint32_t ISPR[1];                 /*!< Offset: 0x100 (R/W)  Interrupt Set Pending Register           */
341
       uint32_t RESERVED2[31];
342
  __IO uint32_t ICPR[1];                 /*!< Offset: 0x180 (R/W)  Interrupt Clear Pending Register         */
343
       uint32_t RESERVED3[31];
344
       uint32_t RESERVED4[64];
345
  __IO uint32_t IP[8];                   /*!< Offset: 0x300 (R/W)  Interrupt Priority Register              */
346
}  NVIC_Type;
347
 
348
/*@} end of group CMSIS_NVIC */
349
 
350
 
351
/** \ingroup  CMSIS_core_register
352
    \defgroup CMSIS_SCB     System Control Block (SCB)
353
    \brief      Type definitions for the System Control Block Registers
354
  @{
355
 */
356
 
357
/** \brief  Structure type to access the System Control Block (SCB).
358
 */
359
typedef struct
360
{
361
  __I  uint32_t CPUID;                   /*!< Offset: 0x000 (R/ )  CPUID Base Register                                   */
362
  __IO uint32_t ICSR;                    /*!< Offset: 0x004 (R/W)  Interrupt Control and State Register                  */
363
       uint32_t RESERVED0;
364
  __IO uint32_t AIRCR;                   /*!< Offset: 0x00C (R/W)  Application Interrupt and Reset Control Register      */
365
  __IO uint32_t SCR;                     /*!< Offset: 0x010 (R/W)  System Control Register                               */
366
  __IO uint32_t CCR;                     /*!< Offset: 0x014 (R/W)  Configuration Control Register                        */
367
       uint32_t RESERVED1;
368
  __IO uint32_t SHP[2];                  /*!< Offset: 0x01C (R/W)  System Handlers Priority Registers. [0] is RESERVED   */
369
  __IO uint32_t SHCSR;                   /*!< Offset: 0x024 (R/W)  System Handler Control and State Register             */
370
} SCB_Type;
371
 
372
/* SCB CPUID Register Definitions */
373
#define SCB_CPUID_IMPLEMENTER_Pos          24                                             /*!< SCB CPUID: IMPLEMENTER Position */
374
#define SCB_CPUID_IMPLEMENTER_Msk          (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos)          /*!< SCB CPUID: IMPLEMENTER Mask */
375
 
376
#define SCB_CPUID_VARIANT_Pos              20                                             /*!< SCB CPUID: VARIANT Position */
377
#define SCB_CPUID_VARIANT_Msk              (0xFUL << SCB_CPUID_VARIANT_Pos)               /*!< SCB CPUID: VARIANT Mask */
378
 
379
#define SCB_CPUID_ARCHITECTURE_Pos         16                                             /*!< SCB CPUID: ARCHITECTURE Position */
380
#define SCB_CPUID_ARCHITECTURE_Msk         (0xFUL << SCB_CPUID_ARCHITECTURE_Pos)          /*!< SCB CPUID: ARCHITECTURE Mask */
381
 
382
#define SCB_CPUID_PARTNO_Pos                4                                             /*!< SCB CPUID: PARTNO Position */
383
#define SCB_CPUID_PARTNO_Msk               (0xFFFUL << SCB_CPUID_PARTNO_Pos)              /*!< SCB CPUID: PARTNO Mask */
384
 
385
#define SCB_CPUID_REVISION_Pos              0                                             /*!< SCB CPUID: REVISION Position */
386
#define SCB_CPUID_REVISION_Msk             (0xFUL /*<< SCB_CPUID_REVISION_Pos*/)          /*!< SCB CPUID: REVISION Mask */
387
 
388
/* SCB Interrupt Control State Register Definitions */
389
#define SCB_ICSR_NMIPENDSET_Pos            31                                             /*!< SCB ICSR: NMIPENDSET Position */
390
#define SCB_ICSR_NMIPENDSET_Msk            (1UL << SCB_ICSR_NMIPENDSET_Pos)               /*!< SCB ICSR: NMIPENDSET Mask */
391
 
392
#define SCB_ICSR_PENDSVSET_Pos             28                                             /*!< SCB ICSR: PENDSVSET Position */
393
#define SCB_ICSR_PENDSVSET_Msk             (1UL << SCB_ICSR_PENDSVSET_Pos)                /*!< SCB ICSR: PENDSVSET Mask */
394
 
395
#define SCB_ICSR_PENDSVCLR_Pos             27                                             /*!< SCB ICSR: PENDSVCLR Position */
396
#define SCB_ICSR_PENDSVCLR_Msk             (1UL << SCB_ICSR_PENDSVCLR_Pos)                /*!< SCB ICSR: PENDSVCLR Mask */
397
 
398
#define SCB_ICSR_PENDSTSET_Pos             26                                             /*!< SCB ICSR: PENDSTSET Position */
399
#define SCB_ICSR_PENDSTSET_Msk             (1UL << SCB_ICSR_PENDSTSET_Pos)                /*!< SCB ICSR: PENDSTSET Mask */
400
 
401
#define SCB_ICSR_PENDSTCLR_Pos             25                                             /*!< SCB ICSR: PENDSTCLR Position */
402
#define SCB_ICSR_PENDSTCLR_Msk             (1UL << SCB_ICSR_PENDSTCLR_Pos)                /*!< SCB ICSR: PENDSTCLR Mask */
403
 
404
#define SCB_ICSR_ISRPREEMPT_Pos            23                                             /*!< SCB ICSR: ISRPREEMPT Position */
405
#define SCB_ICSR_ISRPREEMPT_Msk            (1UL << SCB_ICSR_ISRPREEMPT_Pos)               /*!< SCB ICSR: ISRPREEMPT Mask */
406
 
407
#define SCB_ICSR_ISRPENDING_Pos            22                                             /*!< SCB ICSR: ISRPENDING Position */
408
#define SCB_ICSR_ISRPENDING_Msk            (1UL << SCB_ICSR_ISRPENDING_Pos)               /*!< SCB ICSR: ISRPENDING Mask */
409
 
410
#define SCB_ICSR_VECTPENDING_Pos           12                                             /*!< SCB ICSR: VECTPENDING Position */
411
#define SCB_ICSR_VECTPENDING_Msk           (0x1FFUL << SCB_ICSR_VECTPENDING_Pos)          /*!< SCB ICSR: VECTPENDING Mask */
412
 
413
#define SCB_ICSR_VECTACTIVE_Pos             0                                             /*!< SCB ICSR: VECTACTIVE Position */
414
#define SCB_ICSR_VECTACTIVE_Msk            (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/)       /*!< SCB ICSR: VECTACTIVE Mask */
415
 
416
/* SCB Application Interrupt and Reset Control Register Definitions */
417
#define SCB_AIRCR_VECTKEY_Pos              16                                             /*!< SCB AIRCR: VECTKEY Position */
418
#define SCB_AIRCR_VECTKEY_Msk              (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos)            /*!< SCB AIRCR: VECTKEY Mask */
419
 
420
#define SCB_AIRCR_VECTKEYSTAT_Pos          16                                             /*!< SCB AIRCR: VECTKEYSTAT Position */
421
#define SCB_AIRCR_VECTKEYSTAT_Msk          (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos)        /*!< SCB AIRCR: VECTKEYSTAT Mask */
422
 
423
#define SCB_AIRCR_ENDIANESS_Pos            15                                             /*!< SCB AIRCR: ENDIANESS Position */
424
#define SCB_AIRCR_ENDIANESS_Msk            (1UL << SCB_AIRCR_ENDIANESS_Pos)               /*!< SCB AIRCR: ENDIANESS Mask */
425
 
426
#define SCB_AIRCR_SYSRESETREQ_Pos           2                                             /*!< SCB AIRCR: SYSRESETREQ Position */
427
#define SCB_AIRCR_SYSRESETREQ_Msk          (1UL << SCB_AIRCR_SYSRESETREQ_Pos)             /*!< SCB AIRCR: SYSRESETREQ Mask */
428
 
429
#define SCB_AIRCR_VECTCLRACTIVE_Pos         1                                             /*!< SCB AIRCR: VECTCLRACTIVE Position */
430
#define SCB_AIRCR_VECTCLRACTIVE_Msk        (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos)           /*!< SCB AIRCR: VECTCLRACTIVE Mask */
431
 
432
/* SCB System Control Register Definitions */
433
#define SCB_SCR_SEVONPEND_Pos               4                                             /*!< SCB SCR: SEVONPEND Position */
434
#define SCB_SCR_SEVONPEND_Msk              (1UL << SCB_SCR_SEVONPEND_Pos)                 /*!< SCB SCR: SEVONPEND Mask */
435
 
436
#define SCB_SCR_SLEEPDEEP_Pos               2                                             /*!< SCB SCR: SLEEPDEEP Position */
437
#define SCB_SCR_SLEEPDEEP_Msk              (1UL << SCB_SCR_SLEEPDEEP_Pos)                 /*!< SCB SCR: SLEEPDEEP Mask */
438
 
439
#define SCB_SCR_SLEEPONEXIT_Pos             1                                             /*!< SCB SCR: SLEEPONEXIT Position */
440
#define SCB_SCR_SLEEPONEXIT_Msk            (1UL << SCB_SCR_SLEEPONEXIT_Pos)               /*!< SCB SCR: SLEEPONEXIT Mask */
441
 
442
/* SCB Configuration Control Register Definitions */
443
#define SCB_CCR_STKALIGN_Pos                9                                             /*!< SCB CCR: STKALIGN Position */
444
#define SCB_CCR_STKALIGN_Msk               (1UL << SCB_CCR_STKALIGN_Pos)                  /*!< SCB CCR: STKALIGN Mask */
445
 
446
#define SCB_CCR_UNALIGN_TRP_Pos             3                                             /*!< SCB CCR: UNALIGN_TRP Position */
447
#define SCB_CCR_UNALIGN_TRP_Msk            (1UL << SCB_CCR_UNALIGN_TRP_Pos)               /*!< SCB CCR: UNALIGN_TRP Mask */
448
 
449
/* SCB System Handler Control and State Register Definitions */
450
#define SCB_SHCSR_SVCALLPENDED_Pos         15                                             /*!< SCB SHCSR: SVCALLPENDED Position */
451
#define SCB_SHCSR_SVCALLPENDED_Msk         (1UL << SCB_SHCSR_SVCALLPENDED_Pos)            /*!< SCB SHCSR: SVCALLPENDED Mask */
452
 
453
/*@} end of group CMSIS_SCB */
454
 
455
 
456
/** \ingroup  CMSIS_core_register
457
    \defgroup CMSIS_SysTick     System Tick Timer (SysTick)
458
    \brief      Type definitions for the System Timer Registers.
459
  @{
460
 */
461
 
462
/** \brief  Structure type to access the System Timer (SysTick).
463
 */
464
typedef struct
465
{
466
  __IO uint32_t CTRL;                    /*!< Offset: 0x000 (R/W)  SysTick Control and Status Register */
467
  __IO uint32_t LOAD;                    /*!< Offset: 0x004 (R/W)  SysTick Reload Value Register       */
468
  __IO uint32_t VAL;                     /*!< Offset: 0x008 (R/W)  SysTick Current Value Register      */
469
  __I  uint32_t CALIB;                   /*!< Offset: 0x00C (R/ )  SysTick Calibration Register        */
470
} SysTick_Type;
471
 
472
/* SysTick Control / Status Register Definitions */
473
#define SysTick_CTRL_COUNTFLAG_Pos         16                                             /*!< SysTick CTRL: COUNTFLAG Position */
474
#define SysTick_CTRL_COUNTFLAG_Msk         (1UL << SysTick_CTRL_COUNTFLAG_Pos)            /*!< SysTick CTRL: COUNTFLAG Mask */
475
 
476
#define SysTick_CTRL_CLKSOURCE_Pos          2                                             /*!< SysTick CTRL: CLKSOURCE Position */
477
#define SysTick_CTRL_CLKSOURCE_Msk         (1UL << SysTick_CTRL_CLKSOURCE_Pos)            /*!< SysTick CTRL: CLKSOURCE Mask */
478
 
479
#define SysTick_CTRL_TICKINT_Pos            1                                             /*!< SysTick CTRL: TICKINT Position */
480
#define SysTick_CTRL_TICKINT_Msk           (1UL << SysTick_CTRL_TICKINT_Pos)              /*!< SysTick CTRL: TICKINT Mask */
481
 
482
#define SysTick_CTRL_ENABLE_Pos             0                                             /*!< SysTick CTRL: ENABLE Position */
483
#define SysTick_CTRL_ENABLE_Msk            (1UL /*<< SysTick_CTRL_ENABLE_Pos*/)           /*!< SysTick CTRL: ENABLE Mask */
484
 
485
/* SysTick Reload Register Definitions */
486
#define SysTick_LOAD_RELOAD_Pos             0                                             /*!< SysTick LOAD: RELOAD Position */
487
#define SysTick_LOAD_RELOAD_Msk            (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/)    /*!< SysTick LOAD: RELOAD Mask */
488
 
489
/* SysTick Current Register Definitions */
490
#define SysTick_VAL_CURRENT_Pos             0                                             /*!< SysTick VAL: CURRENT Position */
491
#define SysTick_VAL_CURRENT_Msk            (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/)    /*!< SysTick VAL: CURRENT Mask */
492
 
493
/* SysTick Calibration Register Definitions */
494
#define SysTick_CALIB_NOREF_Pos            31                                             /*!< SysTick CALIB: NOREF Position */
495
#define SysTick_CALIB_NOREF_Msk            (1UL << SysTick_CALIB_NOREF_Pos)               /*!< SysTick CALIB: NOREF Mask */
496
 
497
#define SysTick_CALIB_SKEW_Pos             30                                             /*!< SysTick CALIB: SKEW Position */
498
#define SysTick_CALIB_SKEW_Msk             (1UL << SysTick_CALIB_SKEW_Pos)                /*!< SysTick CALIB: SKEW Mask */
499
 
500
#define SysTick_CALIB_TENMS_Pos             0                                             /*!< SysTick CALIB: TENMS Position */
501
#define SysTick_CALIB_TENMS_Msk            (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/)    /*!< SysTick CALIB: TENMS Mask */
502
 
503
/*@} end of group CMSIS_SysTick */
504
 
505
 
506
/** \ingroup  CMSIS_core_register
507
    \defgroup CMSIS_CoreDebug       Core Debug Registers (CoreDebug)
508
    \brief      Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR)
509
                are only accessible over DAP and not via processor. Therefore
510
                they are not covered by the Cortex-M0 header file.
511
  @{
512
 */
513
/*@} end of group CMSIS_CoreDebug */
514
 
515
 
516
/** \ingroup    CMSIS_core_register
517
    \defgroup   CMSIS_core_base     Core Definitions
518
    \brief      Definitions for base addresses, unions, and structures.
519
  @{
520
 */
521
 
522
/* Memory mapping of Cortex-M0 Hardware */
523
#define SCS_BASE            (0xE000E000UL)                            /*!< System Control Space Base Address */
524
#define SysTick_BASE        (SCS_BASE +  0x0010UL)                    /*!< SysTick Base Address              */
525
#define NVIC_BASE           (SCS_BASE +  0x0100UL)                    /*!< NVIC Base Address                 */
526
#define SCB_BASE            (SCS_BASE +  0x0D00UL)                    /*!< System Control Block Base Address */
527
 
528
#define SCB                 ((SCB_Type       *)     SCB_BASE      )   /*!< SCB configuration struct           */
529
#define SysTick             ((SysTick_Type   *)     SysTick_BASE  )   /*!< SysTick configuration struct       */
530
#define NVIC                ((NVIC_Type      *)     NVIC_BASE     )   /*!< NVIC configuration struct          */
531
 
532
 
533
/*@} */
534
 
535
 
536
 
537
/*******************************************************************************
538
 *                Hardware Abstraction Layer
539
  Core Function Interface contains:
540
  - Core NVIC Functions
541
  - Core SysTick Functions
542
  - Core Register Access Functions
543
 ******************************************************************************/
544
/** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
545
*/
546
 
547
 
548
 
549
/* ##########################   NVIC functions  #################################### */
550
/** \ingroup  CMSIS_Core_FunctionInterface
551
    \defgroup CMSIS_Core_NVICFunctions NVIC Functions
552
    \brief      Functions that manage interrupts and exceptions via the NVIC.
553
    @{
554
 */
555
 
556
/* Interrupt Priorities are WORD accessible only under ARMv6M                   */
557
/* The following MACROS handle generation of the register offset and byte masks */
558
#define _BIT_SHIFT(IRQn)         (  ((((uint32_t)(int32_t)(IRQn))         )      &  0x03UL) * 8UL)
559
#define _SHP_IDX(IRQn)           ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >>    2UL)      )
560
#define _IP_IDX(IRQn)            (   (((uint32_t)(int32_t)(IRQn))                >>    2UL)      )
561
 
562
 
563
/** \brief  Enable External Interrupt
564
 
565
    The function enables a device-specific interrupt in the NVIC interrupt controller.
566
 
567
    \param [in]      IRQn  External interrupt number. Value cannot be negative.
568
 */
569
__STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
570
{
571
  NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
572
}
573
 
574
 
575
/** \brief  Disable External Interrupt
576
 
577
    The function disables a device-specific interrupt in the NVIC interrupt controller.
578
 
579
    \param [in]      IRQn  External interrupt number. Value cannot be negative.
580
 */
581
__STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
582
{
583
  NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
584
}
585
 
586
 
587
/** \brief  Get Pending Interrupt
588
 
589
    The function reads the pending register in the NVIC and returns the pending bit
590
    for the specified interrupt.
591
 
592
    \param [in]      IRQn  Interrupt number.
593
 
594
    \return             0  Interrupt status is not pending.
595
    \return             1  Interrupt status is pending.
596
 */
597
__STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
598
{
599
  return((uint32_t)(((NVIC->ISPR[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
600
}
601
 
602
 
603
/** \brief  Set Pending Interrupt
604
 
605
    The function sets the pending bit of an external interrupt.
606
 
607
    \param [in]      IRQn  Interrupt number. Value cannot be negative.
608
 */
609
__STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
610
{
611
  NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
612
}
613
 
614
 
615
/** \brief  Clear Pending Interrupt
616
 
617
    The function clears the pending bit of an external interrupt.
618
 
619
    \param [in]      IRQn  External interrupt number. Value cannot be negative.
620
 */
621
__STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
622
{
623
  NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
624
}
625
 
626
 
627
/** \brief  Set Interrupt Priority
628
 
629
    The function sets the priority of an interrupt.
630
 
631
    \note The priority cannot be set for every core interrupt.
632
 
633
    \param [in]      IRQn  Interrupt number.
634
    \param [in]  priority  Priority to set.
635
 */
636
__STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
637
{
638
  if((int32_t)(IRQn) < 0) {
639
    SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
640
       (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
641
  }
642
  else {
643
    NVIC->IP[_IP_IDX(IRQn)]  = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)]  & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
644
       (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
645
  }
646
}
647
 
648
 
649
/** \brief  Get Interrupt Priority
650
 
651
    The function reads the priority of an interrupt. The interrupt
652
    number can be positive to specify an external (device specific)
653
    interrupt, or negative to specify an internal (core) interrupt.
654
 
655
 
656
    \param [in]   IRQn  Interrupt number.
657
    \return             Interrupt Priority. Value is aligned automatically to the implemented
658
                        priority bits of the microcontroller.
659
 */
660
__STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
661
{
662
 
663
  if((int32_t)(IRQn) < 0) {
664
    return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
665
  }
666
  else {
667
    return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
668
  }
669
}
670
 
671
 
672
/** \brief  System Reset
673
 
674
    The function initiates a system reset request to reset the MCU.
675
 */
676
__STATIC_INLINE void NVIC_SystemReset(void)
677
{
678
  __DSB();                                                     /* Ensure all outstanding memory accesses included
679
                                                                  buffered write are completed before reset */
680
  SCB->AIRCR  = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
681
                 SCB_AIRCR_SYSRESETREQ_Msk);
682
  __DSB();                                                     /* Ensure completion of memory access */
683
  while(1) { __NOP(); }                                        /* wait until reset */
684
}
685
 
686
/*@} end of CMSIS_Core_NVICFunctions */
687
 
688
 
689
 
690
/* ##################################    SysTick function  ############################################ */
691
/** \ingroup  CMSIS_Core_FunctionInterface
692
    \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
693
    \brief      Functions that configure the System.
694
  @{
695
 */
696
 
697
#if (__Vendor_SysTickConfig == 0)
698
 
699
/** \brief  System Tick Configuration
700
 
701
    The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
702
    Counter is in free running mode to generate periodic interrupts.
703
 
704
    \param [in]  ticks  Number of ticks between two interrupts.
705
 
706
    \return          0  Function succeeded.
707
    \return          1  Function failed.
708
 
709
    \note     When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
710
    function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
711
    must contain a vendor-specific implementation of this function.
712
 
713
 */
714
__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
715
{
716
  if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) { return (1UL); }    /* Reload value impossible */
717
 
718
  SysTick->LOAD  = (uint32_t)(ticks - 1UL);                         /* set reload register */
719
  NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
720
  SysTick->VAL   = 0UL;                                             /* Load the SysTick Counter Value */
721
  SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
722
                   SysTick_CTRL_TICKINT_Msk   |
723
                   SysTick_CTRL_ENABLE_Msk;                         /* Enable SysTick IRQ and SysTick Timer */
724
  return (0UL);                                                     /* Function successful */
725
}
726
 
727
#endif
728
 
729
/*@} end of CMSIS_Core_SysTickFunctions */
730
 
731
 
732
 
733
 
734
#ifdef __cplusplus
735
}
736
#endif
737
 
738
#endif /* __CORE_CM0_H_DEPENDANT */
739
 
740
#endif /* __CMSIS_GENERIC */