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/**************************************************************************//**
2
 * @file     core_cm0plus.h
3
 * @brief    CMSIS Cortex-M0+ Core Peripheral Access Layer Header File
4
 * @version  V5.0.6
5
 * @date     28. May 2018
6
 ******************************************************************************/
7
/*
8
 * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
9
 *
10
 * SPDX-License-Identifier: Apache-2.0
11
 *
12
 * Licensed under the Apache License, Version 2.0 (the License); you may
13
 * not use this file except in compliance with the License.
14
 * You may obtain a copy of the License at
15
 *
16
 * www.apache.org/licenses/LICENSE-2.0
17
 *
18
 * Unless required by applicable law or agreed to in writing, software
19
 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
20
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21
 * See the License for the specific language governing permissions and
22
 * limitations under the License.
23
 */
24
 
25
#if   defined ( __ICCARM__ )
26
  #pragma system_include         /* treat file as system include file for MISRA check */
27
#elif defined (__clang__)
28
  #pragma clang system_header   /* treat file as system include file */
29
#endif
30
 
31
#ifndef __CORE_CM0PLUS_H_GENERIC
32
#define __CORE_CM0PLUS_H_GENERIC
33
 
34
#include <stdint.h>
35
 
36
#ifdef __cplusplus
37
 extern "C" {
38
#endif
39
 
40
/**
41
  \page CMSIS_MISRA_Exceptions  MISRA-C:2004 Compliance Exceptions
42
  CMSIS violates the following MISRA-C:2004 rules:
43
 
44
   \li Required Rule 8.5, object/function definition in header file.<br>
45
     Function definitions in header files are used to allow 'inlining'.
46
 
47
   \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
48
     Unions are used for effective representation of core registers.
49
 
50
   \li Advisory Rule 19.7, Function-like macro defined.<br>
51
     Function-like macros are used to allow more efficient code.
52
 */
53
 
54
 
55
/*******************************************************************************
56
 *                 CMSIS definitions
57
 ******************************************************************************/
58
/**
59
  \ingroup Cortex-M0+
60
  @{
61
 */
62
 
63
#include "cmsis_version.h"
64
 
65
/*  CMSIS CM0+ definitions */
66
#define __CM0PLUS_CMSIS_VERSION_MAIN (__CM_CMSIS_VERSION_MAIN)                  /*!< \deprecated [31:16] CMSIS HAL main version */
67
#define __CM0PLUS_CMSIS_VERSION_SUB  (__CM_CMSIS_VERSION_SUB)                   /*!< \deprecated [15:0]  CMSIS HAL sub version */
68
#define __CM0PLUS_CMSIS_VERSION      ((__CM0PLUS_CMSIS_VERSION_MAIN << 16U) | \
69
                                       __CM0PLUS_CMSIS_VERSION_SUB           )  /*!< \deprecated CMSIS HAL version number */
70
 
71
#define __CORTEX_M                   (0U)                                       /*!< Cortex-M Core */
72
 
73
/** __FPU_USED indicates whether an FPU is used or not.
74
    This core does not support an FPU at all
75
*/
76
#define __FPU_USED       0U
77
 
78
#if defined ( __CC_ARM )
79
  #if defined __TARGET_FPU_VFP
80
    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
81
  #endif
82
 
83
#elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
84
  #if defined __ARM_PCS_VFP
85
    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
86
  #endif
87
 
88
#elif defined ( __GNUC__ )
89
  #if defined (__VFP_FP__) && !defined(__SOFTFP__)
90
    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
91
  #endif
92
 
93
#elif defined ( __ICCARM__ )
94
  #if defined __ARMVFP__
95
    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
96
  #endif
97
 
98
#elif defined ( __TI_ARM__ )
99
  #if defined __TI_VFP_SUPPORT__
100
    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
101
  #endif
102
 
103
#elif defined ( __TASKING__ )
104
  #if defined __FPU_VFP__
105
    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
106
  #endif
107
 
108
#elif defined ( __CSMC__ )
109
  #if ( __CSMC__ & 0x400U)
110
    #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
111
  #endif
112
 
113
#endif
114
 
115
#include "cmsis_compiler.h"               /* CMSIS compiler specific defines */
116
 
117
 
118
#ifdef __cplusplus
119
}
120
#endif
121
 
122
#endif /* __CORE_CM0PLUS_H_GENERIC */
123
 
124
#ifndef __CMSIS_GENERIC
125
 
126
#ifndef __CORE_CM0PLUS_H_DEPENDANT
127
#define __CORE_CM0PLUS_H_DEPENDANT
128
 
129
#ifdef __cplusplus
130
 extern "C" {
131
#endif
132
 
133
/* check device defines and use defaults */
134
#if defined __CHECK_DEVICE_DEFINES
135
  #ifndef __CM0PLUS_REV
136
    #define __CM0PLUS_REV             0x0000U
137
    #warning "__CM0PLUS_REV not defined in device header file; using default!"
138
  #endif
139
 
140
  #ifndef __MPU_PRESENT
141
    #define __MPU_PRESENT             0U
142
    #warning "__MPU_PRESENT not defined in device header file; using default!"
143
  #endif
144
 
145
  #ifndef __VTOR_PRESENT
146
    #define __VTOR_PRESENT            0U
147
    #warning "__VTOR_PRESENT not defined in device header file; using default!"
148
  #endif
149
 
150
  #ifndef __NVIC_PRIO_BITS
151
    #define __NVIC_PRIO_BITS          2U
152
    #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
153
  #endif
154
 
155
  #ifndef __Vendor_SysTickConfig
156
    #define __Vendor_SysTickConfig    0U
157
    #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
158
  #endif
159
#endif
160
 
161
/* IO definitions (access restrictions to peripheral registers) */
162
/**
163
    \defgroup CMSIS_glob_defs CMSIS Global Defines
164
 
165
    <strong>IO Type Qualifiers</strong> are used
166
    \li to specify the access to peripheral variables.
167
    \li for automatic generation of peripheral register debug information.
168
*/
169
#ifdef __cplusplus
170
  #define   __I     volatile             /*!< Defines 'read only' permissions */
171
#else
172
  #define   __I     volatile const       /*!< Defines 'read only' permissions */
173
#endif
174
#define     __O     volatile             /*!< Defines 'write only' permissions */
175
#define     __IO    volatile             /*!< Defines 'read / write' permissions */
176
 
177
/* following defines should be used for structure members */
178
#define     __IM     volatile const      /*! Defines 'read only' structure member permissions */
179
#define     __OM     volatile            /*! Defines 'write only' structure member permissions */
180
#define     __IOM    volatile            /*! Defines 'read / write' structure member permissions */
181
 
182
/*@} end of group Cortex-M0+ */
183
 
184
 
185
 
186
/*******************************************************************************
187
 *                 Register Abstraction
188
  Core Register contain:
189
  - Core Register
190
  - Core NVIC Register
191
  - Core SCB Register
192
  - Core SysTick Register
193
  - Core MPU Register
194
 ******************************************************************************/
195
/**
196
  \defgroup CMSIS_core_register Defines and Type Definitions
197
  \brief Type definitions and defines for Cortex-M processor based devices.
198
*/
199
 
200
/**
201
  \ingroup    CMSIS_core_register
202
  \defgroup   CMSIS_CORE  Status and Control Registers
203
  \brief      Core Register type definitions.
204
  @{
205
 */
206
 
207
/**
208
  \brief  Union type to access the Application Program Status Register (APSR).
209
 */
210
typedef union
211
{
212
  struct
213
  {
214
    uint32_t _reserved0:28;              /*!< bit:  0..27  Reserved */
215
    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag */
216
    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag */
217
    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag */
218
    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag */
219
  } b;                                   /*!< Structure used for bit  access */
220
  uint32_t w;                            /*!< Type      used for word access */
221
} APSR_Type;
222
 
223
/* APSR Register Definitions */
224
#define APSR_N_Pos                         31U                                            /*!< APSR: N Position */
225
#define APSR_N_Msk                         (1UL << APSR_N_Pos)                            /*!< APSR: N Mask */
226
 
227
#define APSR_Z_Pos                         30U                                            /*!< APSR: Z Position */
228
#define APSR_Z_Msk                         (1UL << APSR_Z_Pos)                            /*!< APSR: Z Mask */
229
 
230
#define APSR_C_Pos                         29U                                            /*!< APSR: C Position */
231
#define APSR_C_Msk                         (1UL << APSR_C_Pos)                            /*!< APSR: C Mask */
232
 
233
#define APSR_V_Pos                         28U                                            /*!< APSR: V Position */
234
#define APSR_V_Msk                         (1UL << APSR_V_Pos)                            /*!< APSR: V Mask */
235
 
236
 
237
/**
238
  \brief  Union type to access the Interrupt Program Status Register (IPSR).
239
 */
240
typedef union
241
{
242
  struct
243
  {
244
    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number */
245
    uint32_t _reserved0:23;              /*!< bit:  9..31  Reserved */
246
  } b;                                   /*!< Structure used for bit  access */
247
  uint32_t w;                            /*!< Type      used for word access */
248
} IPSR_Type;
249
 
250
/* IPSR Register Definitions */
251
#define IPSR_ISR_Pos                        0U                                            /*!< IPSR: ISR Position */
252
#define IPSR_ISR_Msk                       (0x1FFUL /*<< IPSR_ISR_Pos*/)                  /*!< IPSR: ISR Mask */
253
 
254
 
255
/**
256
  \brief  Union type to access the Special-Purpose Program Status Registers (xPSR).
257
 */
258
typedef union
259
{
260
  struct
261
  {
262
    uint32_t ISR:9;                      /*!< bit:  0.. 8  Exception number */
263
    uint32_t _reserved0:15;              /*!< bit:  9..23  Reserved */
264
    uint32_t T:1;                        /*!< bit:     24  Thumb bit        (read 0) */
265
    uint32_t _reserved1:3;               /*!< bit: 25..27  Reserved */
266
    uint32_t V:1;                        /*!< bit:     28  Overflow condition code flag */
267
    uint32_t C:1;                        /*!< bit:     29  Carry condition code flag */
268
    uint32_t Z:1;                        /*!< bit:     30  Zero condition code flag */
269
    uint32_t N:1;                        /*!< bit:     31  Negative condition code flag */
270
  } b;                                   /*!< Structure used for bit  access */
271
  uint32_t w;                            /*!< Type      used for word access */
272
} xPSR_Type;
273
 
274
/* xPSR Register Definitions */
275
#define xPSR_N_Pos                         31U                                            /*!< xPSR: N Position */
276
#define xPSR_N_Msk                         (1UL << xPSR_N_Pos)                            /*!< xPSR: N Mask */
277
 
278
#define xPSR_Z_Pos                         30U                                            /*!< xPSR: Z Position */
279
#define xPSR_Z_Msk                         (1UL << xPSR_Z_Pos)                            /*!< xPSR: Z Mask */
280
 
281
#define xPSR_C_Pos                         29U                                            /*!< xPSR: C Position */
282
#define xPSR_C_Msk                         (1UL << xPSR_C_Pos)                            /*!< xPSR: C Mask */
283
 
284
#define xPSR_V_Pos                         28U                                            /*!< xPSR: V Position */
285
#define xPSR_V_Msk                         (1UL << xPSR_V_Pos)                            /*!< xPSR: V Mask */
286
 
287
#define xPSR_T_Pos                         24U                                            /*!< xPSR: T Position */
288
#define xPSR_T_Msk                         (1UL << xPSR_T_Pos)                            /*!< xPSR: T Mask */
289
 
290
#define xPSR_ISR_Pos                        0U                                            /*!< xPSR: ISR Position */
291
#define xPSR_ISR_Msk                       (0x1FFUL /*<< xPSR_ISR_Pos*/)                  /*!< xPSR: ISR Mask */
292
 
293
 
294
/**
295
  \brief  Union type to access the Control Registers (CONTROL).
296
 */
297
typedef union
298
{
299
  struct
300
  {
301
    uint32_t nPRIV:1;                    /*!< bit:      0  Execution privilege in Thread mode */
302
    uint32_t SPSEL:1;                    /*!< bit:      1  Stack to be used */
303
    uint32_t _reserved1:30;              /*!< bit:  2..31  Reserved */
304
  } b;                                   /*!< Structure used for bit  access */
305
  uint32_t w;                            /*!< Type      used for word access */
306
} CONTROL_Type;
307
 
308
/* CONTROL Register Definitions */
309
#define CONTROL_SPSEL_Pos                   1U                                            /*!< CONTROL: SPSEL Position */
310
#define CONTROL_SPSEL_Msk                  (1UL << CONTROL_SPSEL_Pos)                     /*!< CONTROL: SPSEL Mask */
311
 
312
#define CONTROL_nPRIV_Pos                   0U                                            /*!< CONTROL: nPRIV Position */
313
#define CONTROL_nPRIV_Msk                  (1UL /*<< CONTROL_nPRIV_Pos*/)                 /*!< CONTROL: nPRIV Mask */
314
 
315
/*@} end of group CMSIS_CORE */
316
 
317
 
318
/**
319
  \ingroup    CMSIS_core_register
320
  \defgroup   CMSIS_NVIC  Nested Vectored Interrupt Controller (NVIC)
321
  \brief      Type definitions for the NVIC Registers
322
  @{
323
 */
324
 
325
/**
326
  \brief  Structure type to access the Nested Vectored Interrupt Controller (NVIC).
327
 */
328
typedef struct
329
{
330
  __IOM uint32_t ISER[1U];               /*!< Offset: 0x000 (R/W)  Interrupt Set Enable Register */
331
        uint32_t RESERVED0[31U];
332
  __IOM uint32_t ICER[1U];               /*!< Offset: 0x080 (R/W)  Interrupt Clear Enable Register */
333
        uint32_t RSERVED1[31U];
334
  __IOM uint32_t ISPR[1U];               /*!< Offset: 0x100 (R/W)  Interrupt Set Pending Register */
335
        uint32_t RESERVED2[31U];
336
  __IOM uint32_t ICPR[1U];               /*!< Offset: 0x180 (R/W)  Interrupt Clear Pending Register */
337
        uint32_t RESERVED3[31U];
338
        uint32_t RESERVED4[64U];
339
  __IOM uint32_t IP[8U];                 /*!< Offset: 0x300 (R/W)  Interrupt Priority Register */
340
}  NVIC_Type;
341
 
342
/*@} end of group CMSIS_NVIC */
343
 
344
 
345
/**
346
  \ingroup  CMSIS_core_register
347
  \defgroup CMSIS_SCB     System Control Block (SCB)
348
  \brief    Type definitions for the System Control Block Registers
349
  @{
350
 */
351
 
352
/**
353
  \brief  Structure type to access the System Control Block (SCB).
354
 */
355
typedef struct
356
{
357
  __IM  uint32_t CPUID;                  /*!< Offset: 0x000 (R/ )  CPUID Base Register */
358
  __IOM uint32_t ICSR;                   /*!< Offset: 0x004 (R/W)  Interrupt Control and State Register */
359
#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
360
  __IOM uint32_t VTOR;                   /*!< Offset: 0x008 (R/W)  Vector Table Offset Register */
361
#else
362
        uint32_t RESERVED0;
363
#endif
364
  __IOM uint32_t AIRCR;                  /*!< Offset: 0x00C (R/W)  Application Interrupt and Reset Control Register */
365
  __IOM uint32_t SCR;                    /*!< Offset: 0x010 (R/W)  System Control Register */
366
  __IOM uint32_t CCR;                    /*!< Offset: 0x014 (R/W)  Configuration Control Register */
367
        uint32_t RESERVED1;
368
  __IOM uint32_t SHP[2U];                /*!< Offset: 0x01C (R/W)  System Handlers Priority Registers. [0] is RESERVED */
369
  __IOM 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          24U                                            /*!< 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              20U                                            /*!< 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         16U                                            /*!< 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                4U                                            /*!< 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              0U                                            /*!< 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            31U                                            /*!< 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             28U                                            /*!< 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             27U                                            /*!< 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             26U                                            /*!< 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             25U                                            /*!< 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            23U                                            /*!< 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            22U                                            /*!< 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           12U                                            /*!< 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             0U                                            /*!< SCB ICSR: VECTACTIVE Position */
414
#define SCB_ICSR_VECTACTIVE_Msk            (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/)       /*!< SCB ICSR: VECTACTIVE Mask */
415
 
416
#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
417
/* SCB Interrupt Control State Register Definitions */
418
#define SCB_VTOR_TBLOFF_Pos                 8U                                            /*!< SCB VTOR: TBLOFF Position */
419
#define SCB_VTOR_TBLOFF_Msk                (0xFFFFFFUL << SCB_VTOR_TBLOFF_Pos)            /*!< SCB VTOR: TBLOFF Mask */
420
#endif
421
 
422
/* SCB Application Interrupt and Reset Control Register Definitions */
423
#define SCB_AIRCR_VECTKEY_Pos              16U                                            /*!< SCB AIRCR: VECTKEY Position */
424
#define SCB_AIRCR_VECTKEY_Msk              (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos)            /*!< SCB AIRCR: VECTKEY Mask */
425
 
426
#define SCB_AIRCR_VECTKEYSTAT_Pos          16U                                            /*!< SCB AIRCR: VECTKEYSTAT Position */
427
#define SCB_AIRCR_VECTKEYSTAT_Msk          (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos)        /*!< SCB AIRCR: VECTKEYSTAT Mask */
428
 
429
#define SCB_AIRCR_ENDIANESS_Pos            15U                                            /*!< SCB AIRCR: ENDIANESS Position */
430
#define SCB_AIRCR_ENDIANESS_Msk            (1UL << SCB_AIRCR_ENDIANESS_Pos)               /*!< SCB AIRCR: ENDIANESS Mask */
431
 
432
#define SCB_AIRCR_SYSRESETREQ_Pos           2U                                            /*!< SCB AIRCR: SYSRESETREQ Position */
433
#define SCB_AIRCR_SYSRESETREQ_Msk          (1UL << SCB_AIRCR_SYSRESETREQ_Pos)             /*!< SCB AIRCR: SYSRESETREQ Mask */
434
 
435
#define SCB_AIRCR_VECTCLRACTIVE_Pos         1U                                            /*!< SCB AIRCR: VECTCLRACTIVE Position */
436
#define SCB_AIRCR_VECTCLRACTIVE_Msk        (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos)           /*!< SCB AIRCR: VECTCLRACTIVE Mask */
437
 
438
/* SCB System Control Register Definitions */
439
#define SCB_SCR_SEVONPEND_Pos               4U                                            /*!< SCB SCR: SEVONPEND Position */
440
#define SCB_SCR_SEVONPEND_Msk              (1UL << SCB_SCR_SEVONPEND_Pos)                 /*!< SCB SCR: SEVONPEND Mask */
441
 
442
#define SCB_SCR_SLEEPDEEP_Pos               2U                                            /*!< SCB SCR: SLEEPDEEP Position */
443
#define SCB_SCR_SLEEPDEEP_Msk              (1UL << SCB_SCR_SLEEPDEEP_Pos)                 /*!< SCB SCR: SLEEPDEEP Mask */
444
 
445
#define SCB_SCR_SLEEPONEXIT_Pos             1U                                            /*!< SCB SCR: SLEEPONEXIT Position */
446
#define SCB_SCR_SLEEPONEXIT_Msk            (1UL << SCB_SCR_SLEEPONEXIT_Pos)               /*!< SCB SCR: SLEEPONEXIT Mask */
447
 
448
/* SCB Configuration Control Register Definitions */
449
#define SCB_CCR_STKALIGN_Pos                9U                                            /*!< SCB CCR: STKALIGN Position */
450
#define SCB_CCR_STKALIGN_Msk               (1UL << SCB_CCR_STKALIGN_Pos)                  /*!< SCB CCR: STKALIGN Mask */
451
 
452
#define SCB_CCR_UNALIGN_TRP_Pos             3U                                            /*!< SCB CCR: UNALIGN_TRP Position */
453
#define SCB_CCR_UNALIGN_TRP_Msk            (1UL << SCB_CCR_UNALIGN_TRP_Pos)               /*!< SCB CCR: UNALIGN_TRP Mask */
454
 
455
/* SCB System Handler Control and State Register Definitions */
456
#define SCB_SHCSR_SVCALLPENDED_Pos         15U                                            /*!< SCB SHCSR: SVCALLPENDED Position */
457
#define SCB_SHCSR_SVCALLPENDED_Msk         (1UL << SCB_SHCSR_SVCALLPENDED_Pos)            /*!< SCB SHCSR: SVCALLPENDED Mask */
458
 
459
/*@} end of group CMSIS_SCB */
460
 
461
 
462
/**
463
  \ingroup  CMSIS_core_register
464
  \defgroup CMSIS_SysTick     System Tick Timer (SysTick)
465
  \brief    Type definitions for the System Timer Registers.
466
  @{
467
 */
468
 
469
/**
470
  \brief  Structure type to access the System Timer (SysTick).
471
 */
472
typedef struct
473
{
474
  __IOM uint32_t CTRL;                   /*!< Offset: 0x000 (R/W)  SysTick Control and Status Register */
475
  __IOM uint32_t LOAD;                   /*!< Offset: 0x004 (R/W)  SysTick Reload Value Register */
476
  __IOM uint32_t VAL;                    /*!< Offset: 0x008 (R/W)  SysTick Current Value Register */
477
  __IM  uint32_t CALIB;                  /*!< Offset: 0x00C (R/ )  SysTick Calibration Register */
478
} SysTick_Type;
479
 
480
/* SysTick Control / Status Register Definitions */
481
#define SysTick_CTRL_COUNTFLAG_Pos         16U                                            /*!< SysTick CTRL: COUNTFLAG Position */
482
#define SysTick_CTRL_COUNTFLAG_Msk         (1UL << SysTick_CTRL_COUNTFLAG_Pos)            /*!< SysTick CTRL: COUNTFLAG Mask */
483
 
484
#define SysTick_CTRL_CLKSOURCE_Pos          2U                                            /*!< SysTick CTRL: CLKSOURCE Position */
485
#define SysTick_CTRL_CLKSOURCE_Msk         (1UL << SysTick_CTRL_CLKSOURCE_Pos)            /*!< SysTick CTRL: CLKSOURCE Mask */
486
 
487
#define SysTick_CTRL_TICKINT_Pos            1U                                            /*!< SysTick CTRL: TICKINT Position */
488
#define SysTick_CTRL_TICKINT_Msk           (1UL << SysTick_CTRL_TICKINT_Pos)              /*!< SysTick CTRL: TICKINT Mask */
489
 
490
#define SysTick_CTRL_ENABLE_Pos             0U                                            /*!< SysTick CTRL: ENABLE Position */
491
#define SysTick_CTRL_ENABLE_Msk            (1UL /*<< SysTick_CTRL_ENABLE_Pos*/)           /*!< SysTick CTRL: ENABLE Mask */
492
 
493
/* SysTick Reload Register Definitions */
494
#define SysTick_LOAD_RELOAD_Pos             0U                                            /*!< SysTick LOAD: RELOAD Position */
495
#define SysTick_LOAD_RELOAD_Msk            (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/)    /*!< SysTick LOAD: RELOAD Mask */
496
 
497
/* SysTick Current Register Definitions */
498
#define SysTick_VAL_CURRENT_Pos             0U                                            /*!< SysTick VAL: CURRENT Position */
499
#define SysTick_VAL_CURRENT_Msk            (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/)    /*!< SysTick VAL: CURRENT Mask */
500
 
501
/* SysTick Calibration Register Definitions */
502
#define SysTick_CALIB_NOREF_Pos            31U                                            /*!< SysTick CALIB: NOREF Position */
503
#define SysTick_CALIB_NOREF_Msk            (1UL << SysTick_CALIB_NOREF_Pos)               /*!< SysTick CALIB: NOREF Mask */
504
 
505
#define SysTick_CALIB_SKEW_Pos             30U                                            /*!< SysTick CALIB: SKEW Position */
506
#define SysTick_CALIB_SKEW_Msk             (1UL << SysTick_CALIB_SKEW_Pos)                /*!< SysTick CALIB: SKEW Mask */
507
 
508
#define SysTick_CALIB_TENMS_Pos             0U                                            /*!< SysTick CALIB: TENMS Position */
509
#define SysTick_CALIB_TENMS_Msk            (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/)    /*!< SysTick CALIB: TENMS Mask */
510
 
511
/*@} end of group CMSIS_SysTick */
512
 
513
#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
514
/**
515
  \ingroup  CMSIS_core_register
516
  \defgroup CMSIS_MPU     Memory Protection Unit (MPU)
517
  \brief    Type definitions for the Memory Protection Unit (MPU)
518
  @{
519
 */
520
 
521
/**
522
  \brief  Structure type to access the Memory Protection Unit (MPU).
523
 */
524
typedef struct
525
{
526
  __IM  uint32_t TYPE;                   /*!< Offset: 0x000 (R/ )  MPU Type Register */
527
  __IOM uint32_t CTRL;                   /*!< Offset: 0x004 (R/W)  MPU Control Register */
528
  __IOM uint32_t RNR;                    /*!< Offset: 0x008 (R/W)  MPU Region RNRber Register */
529
  __IOM uint32_t RBAR;                   /*!< Offset: 0x00C (R/W)  MPU Region Base Address Register */
530
  __IOM uint32_t RASR;                   /*!< Offset: 0x010 (R/W)  MPU Region Attribute and Size Register */
531
} MPU_Type;
532
 
533
#define MPU_TYPE_RALIASES                  1U
534
 
535
/* MPU Type Register Definitions */
536
#define MPU_TYPE_IREGION_Pos               16U                                            /*!< MPU TYPE: IREGION Position */
537
#define MPU_TYPE_IREGION_Msk               (0xFFUL << MPU_TYPE_IREGION_Pos)               /*!< MPU TYPE: IREGION Mask */
538
 
539
#define MPU_TYPE_DREGION_Pos                8U                                            /*!< MPU TYPE: DREGION Position */
540
#define MPU_TYPE_DREGION_Msk               (0xFFUL << MPU_TYPE_DREGION_Pos)               /*!< MPU TYPE: DREGION Mask */
541
 
542
#define MPU_TYPE_SEPARATE_Pos               0U                                            /*!< MPU TYPE: SEPARATE Position */
543
#define MPU_TYPE_SEPARATE_Msk              (1UL /*<< MPU_TYPE_SEPARATE_Pos*/)             /*!< MPU TYPE: SEPARATE Mask */
544
 
545
/* MPU Control Register Definitions */
546
#define MPU_CTRL_PRIVDEFENA_Pos             2U                                            /*!< MPU CTRL: PRIVDEFENA Position */
547
#define MPU_CTRL_PRIVDEFENA_Msk            (1UL << MPU_CTRL_PRIVDEFENA_Pos)               /*!< MPU CTRL: PRIVDEFENA Mask */
548
 
549
#define MPU_CTRL_HFNMIENA_Pos               1U                                            /*!< MPU CTRL: HFNMIENA Position */
550
#define MPU_CTRL_HFNMIENA_Msk              (1UL << MPU_CTRL_HFNMIENA_Pos)                 /*!< MPU CTRL: HFNMIENA Mask */
551
 
552
#define MPU_CTRL_ENABLE_Pos                 0U                                            /*!< MPU CTRL: ENABLE Position */
553
#define MPU_CTRL_ENABLE_Msk                (1UL /*<< MPU_CTRL_ENABLE_Pos*/)               /*!< MPU CTRL: ENABLE Mask */
554
 
555
/* MPU Region Number Register Definitions */
556
#define MPU_RNR_REGION_Pos                  0U                                            /*!< MPU RNR: REGION Position */
557
#define MPU_RNR_REGION_Msk                 (0xFFUL /*<< MPU_RNR_REGION_Pos*/)             /*!< MPU RNR: REGION Mask */
558
 
559
/* MPU Region Base Address Register Definitions */
560
#define MPU_RBAR_ADDR_Pos                   8U                                            /*!< MPU RBAR: ADDR Position */
561
#define MPU_RBAR_ADDR_Msk                  (0xFFFFFFUL << MPU_RBAR_ADDR_Pos)              /*!< MPU RBAR: ADDR Mask */
562
 
563
#define MPU_RBAR_VALID_Pos                  4U                                            /*!< MPU RBAR: VALID Position */
564
#define MPU_RBAR_VALID_Msk                 (1UL << MPU_RBAR_VALID_Pos)                    /*!< MPU RBAR: VALID Mask */
565
 
566
#define MPU_RBAR_REGION_Pos                 0U                                            /*!< MPU RBAR: REGION Position */
567
#define MPU_RBAR_REGION_Msk                (0xFUL /*<< MPU_RBAR_REGION_Pos*/)             /*!< MPU RBAR: REGION Mask */
568
 
569
/* MPU Region Attribute and Size Register Definitions */
570
#define MPU_RASR_ATTRS_Pos                 16U                                            /*!< MPU RASR: MPU Region Attribute field Position */
571
#define MPU_RASR_ATTRS_Msk                 (0xFFFFUL << MPU_RASR_ATTRS_Pos)               /*!< MPU RASR: MPU Region Attribute field Mask */
572
 
573
#define MPU_RASR_XN_Pos                    28U                                            /*!< MPU RASR: ATTRS.XN Position */
574
#define MPU_RASR_XN_Msk                    (1UL << MPU_RASR_XN_Pos)                       /*!< MPU RASR: ATTRS.XN Mask */
575
 
576
#define MPU_RASR_AP_Pos                    24U                                            /*!< MPU RASR: ATTRS.AP Position */
577
#define MPU_RASR_AP_Msk                    (0x7UL << MPU_RASR_AP_Pos)                     /*!< MPU RASR: ATTRS.AP Mask */
578
 
579
#define MPU_RASR_TEX_Pos                   19U                                            /*!< MPU RASR: ATTRS.TEX Position */
580
#define MPU_RASR_TEX_Msk                   (0x7UL << MPU_RASR_TEX_Pos)                    /*!< MPU RASR: ATTRS.TEX Mask */
581
 
582
#define MPU_RASR_S_Pos                     18U                                            /*!< MPU RASR: ATTRS.S Position */
583
#define MPU_RASR_S_Msk                     (1UL << MPU_RASR_S_Pos)                        /*!< MPU RASR: ATTRS.S Mask */
584
 
585
#define MPU_RASR_C_Pos                     17U                                            /*!< MPU RASR: ATTRS.C Position */
586
#define MPU_RASR_C_Msk                     (1UL << MPU_RASR_C_Pos)                        /*!< MPU RASR: ATTRS.C Mask */
587
 
588
#define MPU_RASR_B_Pos                     16U                                            /*!< MPU RASR: ATTRS.B Position */
589
#define MPU_RASR_B_Msk                     (1UL << MPU_RASR_B_Pos)                        /*!< MPU RASR: ATTRS.B Mask */
590
 
591
#define MPU_RASR_SRD_Pos                    8U                                            /*!< MPU RASR: Sub-Region Disable Position */
592
#define MPU_RASR_SRD_Msk                   (0xFFUL << MPU_RASR_SRD_Pos)                   /*!< MPU RASR: Sub-Region Disable Mask */
593
 
594
#define MPU_RASR_SIZE_Pos                   1U                                            /*!< MPU RASR: Region Size Field Position */
595
#define MPU_RASR_SIZE_Msk                  (0x1FUL << MPU_RASR_SIZE_Pos)                  /*!< MPU RASR: Region Size Field Mask */
596
 
597
#define MPU_RASR_ENABLE_Pos                 0U                                            /*!< MPU RASR: Region enable bit Position */
598
#define MPU_RASR_ENABLE_Msk                (1UL /*<< MPU_RASR_ENABLE_Pos*/)               /*!< MPU RASR: Region enable bit Disable Mask */
599
 
600
/*@} end of group CMSIS_MPU */
601
#endif
602
 
603
 
604
/**
605
  \ingroup  CMSIS_core_register
606
  \defgroup CMSIS_CoreDebug       Core Debug Registers (CoreDebug)
607
  \brief    Cortex-M0+ Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor.
608
            Therefore they are not covered by the Cortex-M0+ header file.
609
  @{
610
 */
611
/*@} end of group CMSIS_CoreDebug */
612
 
613
 
614
/**
615
  \ingroup    CMSIS_core_register
616
  \defgroup   CMSIS_core_bitfield     Core register bit field macros
617
  \brief      Macros for use with bit field definitions (xxx_Pos, xxx_Msk).
618
  @{
619
 */
620
 
621
/**
622
  \brief   Mask and shift a bit field value for use in a register bit range.
623
  \param[in] field  Name of the register bit field.
624
  \param[in] value  Value of the bit field. This parameter is interpreted as an uint32_t type.
625
  \return           Masked and shifted value.
626
*/
627
#define _VAL2FLD(field, value)    (((uint32_t)(value) << field ## _Pos) & field ## _Msk)
628
 
629
/**
630
  \brief     Mask and shift a register value to extract a bit filed value.
631
  \param[in] field  Name of the register bit field.
632
  \param[in] value  Value of register. This parameter is interpreted as an uint32_t type.
633
  \return           Masked and shifted bit field value.
634
*/
635
#define _FLD2VAL(field, value)    (((uint32_t)(value) & field ## _Msk) >> field ## _Pos)
636
 
637
/*@} end of group CMSIS_core_bitfield */
638
 
639
 
640
/**
641
  \ingroup    CMSIS_core_register
642
  \defgroup   CMSIS_core_base     Core Definitions
643
  \brief      Definitions for base addresses, unions, and structures.
644
  @{
645
 */
646
 
647
/* Memory mapping of Core Hardware */
648
#define SCS_BASE            (0xE000E000UL)                            /*!< System Control Space Base Address */
649
#define SysTick_BASE        (SCS_BASE +  0x0010UL)                    /*!< SysTick Base Address */
650
#define NVIC_BASE           (SCS_BASE +  0x0100UL)                    /*!< NVIC Base Address */
651
#define SCB_BASE            (SCS_BASE +  0x0D00UL)                    /*!< System Control Block Base Address */
652
 
653
#define SCB                 ((SCB_Type       *)     SCB_BASE      )   /*!< SCB configuration struct */
654
#define SysTick             ((SysTick_Type   *)     SysTick_BASE  )   /*!< SysTick configuration struct */
655
#define NVIC                ((NVIC_Type      *)     NVIC_BASE     )   /*!< NVIC configuration struct */
656
 
657
#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
658
  #define MPU_BASE          (SCS_BASE +  0x0D90UL)                    /*!< Memory Protection Unit */
659
  #define MPU               ((MPU_Type       *)     MPU_BASE      )   /*!< Memory Protection Unit */
660
#endif
661
 
662
/*@} */
663
 
664
 
665
 
666
/*******************************************************************************
667
 *                Hardware Abstraction Layer
668
  Core Function Interface contains:
669
  - Core NVIC Functions
670
  - Core SysTick Functions
671
  - Core Register Access Functions
672
 ******************************************************************************/
673
/**
674
  \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
675
*/
676
 
677
 
678
 
679
/* ##########################   NVIC functions  #################################### */
680
/**
681
  \ingroup  CMSIS_Core_FunctionInterface
682
  \defgroup CMSIS_Core_NVICFunctions NVIC Functions
683
  \brief    Functions that manage interrupts and exceptions via the NVIC.
684
  @{
685
 */
686
 
687
#ifdef CMSIS_NVIC_VIRTUAL
688
  #ifndef CMSIS_NVIC_VIRTUAL_HEADER_FILE
689
    #define CMSIS_NVIC_VIRTUAL_HEADER_FILE "cmsis_nvic_virtual.h"
690
  #endif
691
  #include CMSIS_NVIC_VIRTUAL_HEADER_FILE
692
#else
693
  #define NVIC_SetPriorityGrouping    __NVIC_SetPriorityGrouping
694
  #define NVIC_GetPriorityGrouping    __NVIC_GetPriorityGrouping
695
  #define NVIC_EnableIRQ              __NVIC_EnableIRQ
696
  #define NVIC_GetEnableIRQ           __NVIC_GetEnableIRQ
697
  #define NVIC_DisableIRQ             __NVIC_DisableIRQ
698
  #define NVIC_GetPendingIRQ          __NVIC_GetPendingIRQ
699
  #define NVIC_SetPendingIRQ          __NVIC_SetPendingIRQ
700
  #define NVIC_ClearPendingIRQ        __NVIC_ClearPendingIRQ
701
/*#define NVIC_GetActive              __NVIC_GetActive             not available for Cortex-M0+ */
702
  #define NVIC_SetPriority            __NVIC_SetPriority
703
  #define NVIC_GetPriority            __NVIC_GetPriority
704
  #define NVIC_SystemReset            __NVIC_SystemReset
705
#endif /* CMSIS_NVIC_VIRTUAL */
706
 
707
#ifdef CMSIS_VECTAB_VIRTUAL
708
  #ifndef CMSIS_VECTAB_VIRTUAL_HEADER_FILE
709
    #define CMSIS_VECTAB_VIRTUAL_HEADER_FILE "cmsis_vectab_virtual.h"
710
  #endif
711
  #include CMSIS_VECTAB_VIRTUAL_HEADER_FILE
712
#else
713
  #define NVIC_SetVector              __NVIC_SetVector
714
  #define NVIC_GetVector              __NVIC_GetVector
715
#endif  /* (CMSIS_VECTAB_VIRTUAL) */
716
 
717
#define NVIC_USER_IRQ_OFFSET          16
718
 
719
 
720
/* The following EXC_RETURN values are saved the LR on exception entry */
721
#define EXC_RETURN_HANDLER         (0xFFFFFFF1UL)     /* return to Handler mode, uses MSP after return                               */
722
#define EXC_RETURN_THREAD_MSP      (0xFFFFFFF9UL)     /* return to Thread mode, uses MSP after return                                */
723
#define EXC_RETURN_THREAD_PSP      (0xFFFFFFFDUL)     /* return to Thread mode, uses PSP after return                                */
724
 
725
 
726
/* Interrupt Priorities are WORD accessible only under Armv6-M                  */
727
/* The following MACROS handle generation of the register offset and byte masks */
728
#define _BIT_SHIFT(IRQn)         (  ((((uint32_t)(int32_t)(IRQn))         )      &  0x03UL) * 8UL)
729
#define _SHP_IDX(IRQn)           ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >>    2UL)      )
730
#define _IP_IDX(IRQn)            (   (((uint32_t)(int32_t)(IRQn))                >>    2UL)      )
731
 
732
#define __NVIC_SetPriorityGrouping(X) (void)(X)
733
#define __NVIC_GetPriorityGrouping()  (0U)
734
 
735
/**
736
  \brief   Enable Interrupt
737
  \details Enables a device specific interrupt in the NVIC interrupt controller.
738
  \param [in]      IRQn  Device specific interrupt number.
739
  \note    IRQn must not be negative.
740
 */
741
__STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn)
742
{
743
  if ((int32_t)(IRQn) >= 0)
744
  {
745
    NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
746
  }
747
}
748
 
749
 
750
/**
751
  \brief   Get Interrupt Enable status
752
  \details Returns a device specific interrupt enable status from the NVIC interrupt controller.
753
  \param [in]      IRQn  Device specific interrupt number.
754
  \return             0  Interrupt is not enabled.
755
  \return             1  Interrupt is enabled.
756
  \note    IRQn must not be negative.
757
 */
758
__STATIC_INLINE uint32_t __NVIC_GetEnableIRQ(IRQn_Type IRQn)
759
{
760
  if ((int32_t)(IRQn) >= 0)
761
  {
762
    return((uint32_t)(((NVIC->ISER[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
763
  }
764
  else
765
  {
766
    return(0U);
767
  }
768
}
769
 
770
 
771
/**
772
  \brief   Disable Interrupt
773
  \details Disables a device specific interrupt in the NVIC interrupt controller.
774
  \param [in]      IRQn  Device specific interrupt number.
775
  \note    IRQn must not be negative.
776
 */
777
__STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn)
778
{
779
  if ((int32_t)(IRQn) >= 0)
780
  {
781
    NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
782
    __DSB();
783
    __ISB();
784
  }
785
}
786
 
787
 
788
/**
789
  \brief   Get Pending Interrupt
790
  \details Reads the NVIC pending register and returns the pending bit for the specified device specific interrupt.
791
  \param [in]      IRQn  Device specific interrupt number.
792
  \return             0  Interrupt status is not pending.
793
  \return             1  Interrupt status is pending.
794
  \note    IRQn must not be negative.
795
 */
796
__STATIC_INLINE uint32_t __NVIC_GetPendingIRQ(IRQn_Type IRQn)
797
{
798
  if ((int32_t)(IRQn) >= 0)
799
  {
800
    return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
801
  }
802
  else
803
  {
804
    return(0U);
805
  }
806
}
807
 
808
 
809
/**
810
  \brief   Set Pending Interrupt
811
  \details Sets the pending bit of a device specific interrupt in the NVIC pending register.
812
  \param [in]      IRQn  Device specific interrupt number.
813
  \note    IRQn must not be negative.
814
 */
815
__STATIC_INLINE void __NVIC_SetPendingIRQ(IRQn_Type IRQn)
816
{
817
  if ((int32_t)(IRQn) >= 0)
818
  {
819
    NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
820
  }
821
}
822
 
823
 
824
/**
825
  \brief   Clear Pending Interrupt
826
  \details Clears the pending bit of a device specific interrupt in the NVIC pending register.
827
  \param [in]      IRQn  Device specific interrupt number.
828
  \note    IRQn must not be negative.
829
 */
830
__STATIC_INLINE void __NVIC_ClearPendingIRQ(IRQn_Type IRQn)
831
{
832
  if ((int32_t)(IRQn) >= 0)
833
  {
834
    NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
835
  }
836
}
837
 
838
 
839
/**
840
  \brief   Set Interrupt Priority
841
  \details Sets the priority of a device specific interrupt or a processor exception.
842
           The interrupt number can be positive to specify a device specific interrupt,
843
           or negative to specify a processor exception.
844
  \param [in]      IRQn  Interrupt number.
845
  \param [in]  priority  Priority to set.
846
  \note    The priority cannot be set for every processor exception.
847
 */
848
__STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
849
{
850
  if ((int32_t)(IRQn) >= 0)
851
  {
852
    NVIC->IP[_IP_IDX(IRQn)]  = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)]  & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
853
       (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
854
  }
855
  else
856
  {
857
    SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
858
       (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
859
  }
860
}
861
 
862
 
863
/**
864
  \brief   Get Interrupt Priority
865
  \details Reads the priority of a device specific interrupt or a processor exception.
866
           The interrupt number can be positive to specify a device specific interrupt,
867
           or negative to specify a processor exception.
868
  \param [in]   IRQn  Interrupt number.
869
  \return             Interrupt Priority.
870
                      Value is aligned automatically to the implemented priority bits of the microcontroller.
871
 */
872
__STATIC_INLINE uint32_t __NVIC_GetPriority(IRQn_Type IRQn)
873
{
874
 
875
  if ((int32_t)(IRQn) >= 0)
876
  {
877
    return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
878
  }
879
  else
880
  {
881
    return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
882
  }
883
}
884
 
885
 
886
/**
887
  \brief   Encode Priority
888
  \details Encodes the priority for an interrupt with the given priority group,
889
           preemptive priority value, and subpriority value.
890
           In case of a conflict between priority grouping and available
891
           priority bits (__NVIC_PRIO_BITS), the smallest possible priority group is set.
892
  \param [in]     PriorityGroup  Used priority group.
893
  \param [in]   PreemptPriority  Preemptive priority value (starting from 0).
894
  \param [in]       SubPriority  Subpriority value (starting from 0).
895
  \return                        Encoded priority. Value can be used in the function \ref NVIC_SetPriority().
896
 */
897
__STATIC_INLINE uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority)
898
{
899
  uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL);   /* only values 0..7 are used          */
900
  uint32_t PreemptPriorityBits;
901
  uint32_t SubPriorityBits;
902
 
903
  PreemptPriorityBits = ((7UL - PriorityGroupTmp) > (uint32_t)(__NVIC_PRIO_BITS)) ? (uint32_t)(__NVIC_PRIO_BITS) : (uint32_t)(7UL - PriorityGroupTmp);
904
  SubPriorityBits     = ((PriorityGroupTmp + (uint32_t)(__NVIC_PRIO_BITS)) < (uint32_t)7UL) ? (uint32_t)0UL : (uint32_t)((PriorityGroupTmp - 7UL) + (uint32_t)(__NVIC_PRIO_BITS));
905
 
906
  return (
907
           ((PreemptPriority & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL)) << SubPriorityBits) |
908
           ((SubPriority     & (uint32_t)((1UL << (SubPriorityBits    )) - 1UL)))
909
         );
910
}
911
 
912
 
913
/**
914
  \brief   Decode Priority
915
  \details Decodes an interrupt priority value with a given priority group to
916
           preemptive priority value and subpriority value.
917
           In case of a conflict between priority grouping and available
918
           priority bits (__NVIC_PRIO_BITS) the smallest possible priority group is set.
919
  \param [in]         Priority   Priority value, which can be retrieved with the function \ref NVIC_GetPriority().
920
  \param [in]     PriorityGroup  Used priority group.
921
  \param [out] pPreemptPriority  Preemptive priority value (starting from 0).
922
  \param [out]     pSubPriority  Subpriority value (starting from 0).
923
 */
924
__STATIC_INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* const pPreemptPriority, uint32_t* const pSubPriority)
925
{
926
  uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL);   /* only values 0..7 are used          */
927
  uint32_t PreemptPriorityBits;
928
  uint32_t SubPriorityBits;
929
 
930
  PreemptPriorityBits = ((7UL - PriorityGroupTmp) > (uint32_t)(__NVIC_PRIO_BITS)) ? (uint32_t)(__NVIC_PRIO_BITS) : (uint32_t)(7UL - PriorityGroupTmp);
931
  SubPriorityBits     = ((PriorityGroupTmp + (uint32_t)(__NVIC_PRIO_BITS)) < (uint32_t)7UL) ? (uint32_t)0UL : (uint32_t)((PriorityGroupTmp - 7UL) + (uint32_t)(__NVIC_PRIO_BITS));
932
 
933
  *pPreemptPriority = (Priority >> SubPriorityBits) & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL);
934
  *pSubPriority     = (Priority                   ) & (uint32_t)((1UL << (SubPriorityBits    )) - 1UL);
935
}
936
 
937
 
938
/**
939
  \brief   Set Interrupt Vector
940
  \details Sets an interrupt vector in SRAM based interrupt vector table.
941
           The interrupt number can be positive to specify a device specific interrupt,
942
           or negative to specify a processor exception.
943
           VTOR must been relocated to SRAM before.
944
           If VTOR is not present address 0 must be mapped to SRAM.
945
  \param [in]   IRQn      Interrupt number
946
  \param [in]   vector    Address of interrupt handler function
947
 */
948
__STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector)
949
{
950
#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
951
  uint32_t *vectors = (uint32_t *)SCB->VTOR;
952
#else
953
    uint32_t *vectors = (uint32_t *)0x0U;
954
#endif
955
  vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector;
956
}
957
 
958
 
959
/**
960
  \brief   Get Interrupt Vector
961
  \details Reads an interrupt vector from interrupt vector table.
962
           The interrupt number can be positive to specify a device specific interrupt,
963
           or negative to specify a processor exception.
964
  \param [in]   IRQn      Interrupt number.
965
  \return                 Address of interrupt handler function
966
 */
967
__STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn)
968
{
969
#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
970
  uint32_t *vectors = (uint32_t *)SCB->VTOR;
971
#else
972
  uint32_t *vectors = (uint32_t *)0x0U;
973
#endif
974
  return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET];
975
 
976
}
977
 
978
 
979
/**
980
  \brief   System Reset
981
  \details Initiates a system reset request to reset the MCU.
982
 */
983
__NO_RETURN __STATIC_INLINE void __NVIC_SystemReset(void)
984
{
985
  __DSB();                                                          /* Ensure all outstanding memory accesses included
986
                                                                       buffered write are completed before reset */
987
  SCB->AIRCR  = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
988
                 SCB_AIRCR_SYSRESETREQ_Msk);
989
  __DSB();                                                          /* Ensure completion of memory access */
990
 
991
  for(;;)                                                           /* wait until reset */
992
  {
993
    __NOP();
994
  }
995
}
996
 
997
/*@} end of CMSIS_Core_NVICFunctions */
998
 
999
/* ##########################  MPU functions  #################################### */
1000
 
1001
#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
1002
 
1003
#include "mpu_armv7.h"
1004
 
1005
#endif
1006
 
1007
/* ##########################  FPU functions  #################################### */
1008
/**
1009
  \ingroup  CMSIS_Core_FunctionInterface
1010
  \defgroup CMSIS_Core_FpuFunctions FPU Functions
1011
  \brief    Function that provides FPU type.
1012
  @{
1013
 */
1014
 
1015
/**
1016
  \brief   get FPU type
1017
  \details returns the FPU type
1018
  \returns
1019
   - \b  0: No FPU
1020
   - \b  1: Single precision FPU
1021
   - \b  2: Double + Single precision FPU
1022
 */
1023
__STATIC_INLINE uint32_t SCB_GetFPUType(void)
1024
{
1025
    return 0U;           /* No FPU */
1026
}
1027
 
1028
 
1029
/*@} end of CMSIS_Core_FpuFunctions */
1030
 
1031
 
1032
 
1033
/* ##################################    SysTick function  ############################################ */
1034
/**
1035
  \ingroup  CMSIS_Core_FunctionInterface
1036
  \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
1037
  \brief    Functions that configure the System.
1038
  @{
1039
 */
1040
 
1041
#if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U)
1042
 
1043
/**
1044
  \brief   System Tick Configuration
1045
  \details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
1046
           Counter is in free running mode to generate periodic interrupts.
1047
  \param [in]  ticks  Number of ticks between two interrupts.
1048
  \return          0  Function succeeded.
1049
  \return          1  Function failed.
1050
  \note    When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
1051
           function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
1052
           must contain a vendor-specific implementation of this function.
1053
 */
1054
__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
1055
{
1056
  if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
1057
  {
1058
    return (1UL);                                                   /* Reload value impossible */
1059
  }
1060
 
1061
  SysTick->LOAD  = (uint32_t)(ticks - 1UL);                         /* set reload register */
1062
  NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
1063
  SysTick->VAL   = 0UL;                                             /* Load the SysTick Counter Value */
1064
  SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
1065
                   SysTick_CTRL_TICKINT_Msk   |
1066
                   SysTick_CTRL_ENABLE_Msk;                         /* Enable SysTick IRQ and SysTick Timer */
1067
  return (0UL);                                                     /* Function successful */
1068
}
1069
 
1070
#endif
1071
 
1072
/*@} end of CMSIS_Core_SysTickFunctions */
1073
 
1074
 
1075
 
1076
 
1077
#ifdef __cplusplus
1078
}
1079
#endif
1080
 
1081
#endif /* __CORE_CM0PLUS_H_DEPENDANT */
1082
 
1083
#endif /* __CMSIS_GENERIC */