source: asp3_tinet_ecnl_arm/trunk/asp3_dcre/mbed/cmsis/core_cm0plus.h@ 352

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1/**************************************************************************//**
2 * @file core_cm0plus.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_CM0PLUS_H_GENERIC
43#define __CORE_CM0PLUS_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 CM0P definitions */
71#define __CM0PLUS_CMSIS_VERSION_MAIN (0x04) /*!< [31:16] CMSIS HAL main version */
72#define __CM0PLUS_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */
73#define __CM0PLUS_CMSIS_VERSION ((__CM0PLUS_CMSIS_VERSION_MAIN << 16) | \
74 __CM0PLUS_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_CM0PLUS_H_GENERIC */
156
157#ifndef __CMSIS_GENERIC
158
159#ifndef __CORE_CM0PLUS_H_DEPENDANT
160#define __CORE_CM0PLUS_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 __CM0PLUS_REV
169 #define __CM0PLUS_REV 0x0000
170 #warning "__CM0PLUS_REV not defined in device header file; using default!"
171 #endif
172
173 #ifndef __MPU_PRESENT
174 #define __MPU_PRESENT 0
175 #warning "__MPU_PRESENT not defined in device header file; using default!"
176 #endif
177
178 #ifndef __VTOR_PRESENT
179 #define __VTOR_PRESENT 0
180 #warning "__VTOR_PRESENT not defined in device header file; using default!"
181 #endif
182
183 #ifndef __NVIC_PRIO_BITS
184 #define __NVIC_PRIO_BITS 2
185 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
186 #endif
187
188 #ifndef __Vendor_SysTickConfig
189 #define __Vendor_SysTickConfig 0
190 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
191 #endif
192#endif
193
194/* IO definitions (access restrictions to peripheral registers) */
195/**
196 \defgroup CMSIS_glob_defs CMSIS Global Defines
197
198 <strong>IO Type Qualifiers</strong> are used
199 \li to specify the access to peripheral variables.
200 \li for automatic generation of peripheral register debug information.
201*/
202#ifdef __cplusplus
203 #define __I volatile /*!< Defines 'read only' permissions */
204#else
205 #define __I volatile const /*!< Defines 'read only' permissions */
206#endif
207#define __O volatile /*!< Defines 'write only' permissions */
208#define __IO volatile /*!< Defines 'read / write' permissions */
209
210#ifdef __cplusplus
211 #define __IM volatile /*!< Defines 'read only' permissions */
212#else
213 #define __IM volatile const /*!< Defines 'read only' permissions */
214#endif
215#define __OM volatile /*!< Defines 'write only' permissions */
216#define __IOM volatile /*!< Defines 'read / write' permissions */
217
218/*@} end of group Cortex-M0+ */
219
220
221
222/*******************************************************************************
223 * Register Abstraction
224 Core Register contain:
225 - Core Register
226 - Core NVIC Register
227 - Core SCB Register
228 - Core SysTick Register
229 - Core MPU Register
230 ******************************************************************************/
231/** \defgroup CMSIS_core_register Defines and Type Definitions
232 \brief Type definitions and defines for Cortex-M processor based devices.
233*/
234
235/** \ingroup CMSIS_core_register
236 \defgroup CMSIS_CORE Status and Control Registers
237 \brief Core Register type definitions.
238 @{
239 */
240
241/** \brief Union type to access the Application Program Status Register (APSR).
242 */
243typedef union
244{
245 struct
246 {
247 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
248 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
249 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
250 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
251 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
252 } b; /*!< Structure used for bit access */
253 uint32_t w; /*!< Type used for word access */
254} APSR_Type;
255
256/* APSR Register Definitions */
257#define APSR_N_Pos 31 /*!< APSR: N Position */
258#define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
259
260#define APSR_Z_Pos 30 /*!< APSR: Z Position */
261#define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
262
263#define APSR_C_Pos 29 /*!< APSR: C Position */
264#define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
265
266#define APSR_V_Pos 28 /*!< APSR: V Position */
267#define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
268
269
270/** \brief Union type to access the Interrupt Program Status Register (IPSR).
271 */
272typedef union
273{
274 struct
275 {
276 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
277 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
278 } b; /*!< Structure used for bit access */
279 uint32_t w; /*!< Type used for word access */
280} IPSR_Type;
281
282/* IPSR Register Definitions */
283#define IPSR_ISR_Pos 0 /*!< IPSR: ISR Position */
284#define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
285
286
287/** \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
288 */
289typedef union
290{
291 struct
292 {
293 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
294 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
295 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
296 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
297 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
298 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
299 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
300 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
301 } b; /*!< Structure used for bit access */
302 uint32_t w; /*!< Type used for word access */
303} xPSR_Type;
304
305/* xPSR Register Definitions */
306#define xPSR_N_Pos 31 /*!< xPSR: N Position */
307#define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
308
309#define xPSR_Z_Pos 30 /*!< xPSR: Z Position */
310#define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
311
312#define xPSR_C_Pos 29 /*!< xPSR: C Position */
313#define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
314
315#define xPSR_V_Pos 28 /*!< xPSR: V Position */
316#define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
317
318#define xPSR_T_Pos 24 /*!< xPSR: T Position */
319#define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
320
321#define xPSR_ISR_Pos 0 /*!< xPSR: ISR Position */
322#define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
323
324
325/** \brief Union type to access the Control Registers (CONTROL).
326 */
327typedef union
328{
329 struct
330 {
331 uint32_t nPRIV:1; /*!< bit: 0 Execution privilege in Thread mode */
332 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
333 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
334 } b; /*!< Structure used for bit access */
335 uint32_t w; /*!< Type used for word access */
336} CONTROL_Type;
337
338/* CONTROL Register Definitions */
339#define CONTROL_SPSEL_Pos 1 /*!< CONTROL: SPSEL Position */
340#define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
341
342#define CONTROL_nPRIV_Pos 0 /*!< CONTROL: nPRIV Position */
343#define CONTROL_nPRIV_Msk (1UL /*<< CONTROL_nPRIV_Pos*/) /*!< CONTROL: nPRIV Mask */
344
345/*@} end of group CMSIS_CORE */
346
347
348/** \ingroup CMSIS_core_register
349 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
350 \brief Type definitions for the NVIC Registers
351 @{
352 */
353
354/** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
355 */
356typedef struct
357{
358 __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
359 uint32_t RESERVED0[31];
360 __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
361 uint32_t RSERVED1[31];
362 __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
363 uint32_t RESERVED2[31];
364 __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
365 uint32_t RESERVED3[31];
366 uint32_t RESERVED4[64];
367 __IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
368} NVIC_Type;
369
370/*@} end of group CMSIS_NVIC */
371
372
373/** \ingroup CMSIS_core_register
374 \defgroup CMSIS_SCB System Control Block (SCB)
375 \brief Type definitions for the System Control Block Registers
376 @{
377 */
378
379/** \brief Structure type to access the System Control Block (SCB).
380 */
381typedef struct
382{
383 __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
384 __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
385#if (__VTOR_PRESENT == 1)
386 __IO uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */
387#else
388 uint32_t RESERVED0;
389#endif
390 __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
391 __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
392 __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
393 uint32_t RESERVED1;
394 __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
395 __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
396} SCB_Type;
397
398/* SCB CPUID Register Definitions */
399#define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */
400#define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
401
402#define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */
403#define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
404
405#define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */
406#define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
407
408#define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */
409#define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
410
411#define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */
412#define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */
413
414/* SCB Interrupt Control State Register Definitions */
415#define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */
416#define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
417
418#define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */
419#define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
420
421#define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */
422#define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
423
424#define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */
425#define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
426
427#define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */
428#define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
429
430#define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */
431#define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
432
433#define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */
434#define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
435
436#define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */
437#define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
438
439#define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */
440#define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */
441
442#if (__VTOR_PRESENT == 1)
443/* SCB Interrupt Control State Register Definitions */
444#define SCB_VTOR_TBLOFF_Pos 8 /*!< SCB VTOR: TBLOFF Position */
445#define SCB_VTOR_TBLOFF_Msk (0xFFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */
446#endif
447
448/* SCB Application Interrupt and Reset Control Register Definitions */
449#define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */
450#define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
451
452#define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */
453#define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
454
455#define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */
456#define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
457
458#define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */
459#define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
460
461#define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */
462#define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
463
464/* SCB System Control Register Definitions */
465#define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */
466#define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
467
468#define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */
469#define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
470
471#define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */
472#define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
473
474/* SCB Configuration Control Register Definitions */
475#define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */
476#define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
477
478#define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */
479#define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
480
481/* SCB System Handler Control and State Register Definitions */
482#define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
483#define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
484
485/*@} end of group CMSIS_SCB */
486
487
488/** \ingroup CMSIS_core_register
489 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
490 \brief Type definitions for the System Timer Registers.
491 @{
492 */
493
494/** \brief Structure type to access the System Timer (SysTick).
495 */
496typedef struct
497{
498 __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
499 __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
500 __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
501 __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
502} SysTick_Type;
503
504/* SysTick Control / Status Register Definitions */
505#define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */
506#define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
507
508#define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */
509#define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
510
511#define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */
512#define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
513
514#define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */
515#define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */
516
517/* SysTick Reload Register Definitions */
518#define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */
519#define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */
520
521/* SysTick Current Register Definitions */
522#define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */
523#define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */
524
525/* SysTick Calibration Register Definitions */
526#define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */
527#define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
528
529#define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */
530#define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
531
532#define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */
533#define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
534
535/*@} end of group CMSIS_SysTick */
536
537#if (__MPU_PRESENT == 1)
538/** \ingroup CMSIS_core_register
539 \defgroup CMSIS_MPU Memory Protection Unit (MPU)
540 \brief Type definitions for the Memory Protection Unit (MPU)
541 @{
542 */
543
544/** \brief Structure type to access the Memory Protection Unit (MPU).
545 */
546typedef struct
547{
548 __I uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */
549 __IO uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */
550 __IO uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */
551 __IO uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */
552 __IO uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */
553} MPU_Type;
554
555/* MPU Type Register */
556#define MPU_TYPE_IREGION_Pos 16 /*!< MPU TYPE: IREGION Position */
557#define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */
558
559#define MPU_TYPE_DREGION_Pos 8 /*!< MPU TYPE: DREGION Position */
560#define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */
561
562#define MPU_TYPE_SEPARATE_Pos 0 /*!< MPU TYPE: SEPARATE Position */
563#define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/) /*!< MPU TYPE: SEPARATE Mask */
564
565/* MPU Control Register */
566#define MPU_CTRL_PRIVDEFENA_Pos 2 /*!< MPU CTRL: PRIVDEFENA Position */
567#define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */
568
569#define MPU_CTRL_HFNMIENA_Pos 1 /*!< MPU CTRL: HFNMIENA Position */
570#define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */
571
572#define MPU_CTRL_ENABLE_Pos 0 /*!< MPU CTRL: ENABLE Position */
573#define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/) /*!< MPU CTRL: ENABLE Mask */
574
575/* MPU Region Number Register */
576#define MPU_RNR_REGION_Pos 0 /*!< MPU RNR: REGION Position */
577#define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/) /*!< MPU RNR: REGION Mask */
578
579/* MPU Region Base Address Register */
580#define MPU_RBAR_ADDR_Pos 8 /*!< MPU RBAR: ADDR Position */
581#define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */
582
583#define MPU_RBAR_VALID_Pos 4 /*!< MPU RBAR: VALID Position */
584#define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */
585
586#define MPU_RBAR_REGION_Pos 0 /*!< MPU RBAR: REGION Position */
587#define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/) /*!< MPU RBAR: REGION Mask */
588
589/* MPU Region Attribute and Size Register */
590#define MPU_RASR_ATTRS_Pos 16 /*!< MPU RASR: MPU Region Attribute field Position */
591#define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */
592
593#define MPU_RASR_XN_Pos 28 /*!< MPU RASR: ATTRS.XN Position */
594#define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */
595
596#define MPU_RASR_AP_Pos 24 /*!< MPU RASR: ATTRS.AP Position */
597#define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */
598
599#define MPU_RASR_TEX_Pos 19 /*!< MPU RASR: ATTRS.TEX Position */
600#define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */
601
602#define MPU_RASR_S_Pos 18 /*!< MPU RASR: ATTRS.S Position */
603#define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */
604
605#define MPU_RASR_C_Pos 17 /*!< MPU RASR: ATTRS.C Position */
606#define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */
607
608#define MPU_RASR_B_Pos 16 /*!< MPU RASR: ATTRS.B Position */
609#define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */
610
611#define MPU_RASR_SRD_Pos 8 /*!< MPU RASR: Sub-Region Disable Position */
612#define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */
613
614#define MPU_RASR_SIZE_Pos 1 /*!< MPU RASR: Region Size Field Position */
615#define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */
616
617#define MPU_RASR_ENABLE_Pos 0 /*!< MPU RASR: Region enable bit Position */
618#define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/) /*!< MPU RASR: Region enable bit Disable Mask */
619
620/*@} end of group CMSIS_MPU */
621#endif
622
623
624/** \ingroup CMSIS_core_register
625 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
626 \brief Cortex-M0+ Core Debug Registers (DCB registers, SHCSR, and DFSR)
627 are only accessible over DAP and not via processor. Therefore
628 they are not covered by the Cortex-M0 header file.
629 @{
630 */
631/*@} end of group CMSIS_CoreDebug */
632
633
634/** \ingroup CMSIS_core_register
635 \defgroup CMSIS_core_base Core Definitions
636 \brief Definitions for base addresses, unions, and structures.
637 @{
638 */
639
640/* Memory mapping of Cortex-M0+ Hardware */
641#define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
642#define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
643#define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
644#define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
645
646#define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
647#define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
648#define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
649
650#if (__MPU_PRESENT == 1)
651 #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */
652 #define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */
653#endif
654
655/*@} */
656
657
658
659/*******************************************************************************
660 * Hardware Abstraction Layer
661 Core Function Interface contains:
662 - Core NVIC Functions
663 - Core SysTick Functions
664 - Core Register Access Functions
665 ******************************************************************************/
666/** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
667*/
668
669
670
671/* ########################## NVIC functions #################################### */
672/** \ingroup CMSIS_Core_FunctionInterface
673 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
674 \brief Functions that manage interrupts and exceptions via the NVIC.
675 @{
676 */
677
678/* Interrupt Priorities are WORD accessible only under ARMv6M */
679/* The following MACROS handle generation of the register offset and byte masks */
680#define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
681#define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
682#define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
683
684
685/** \brief Enable External Interrupt
686
687 The function enables a device-specific interrupt in the NVIC interrupt controller.
688
689 \param [in] IRQn External interrupt number. Value cannot be negative.
690 */
691__STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
692{
693 NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
694}
695
696
697/** \brief Disable External Interrupt
698
699 The function disables a device-specific interrupt in the NVIC interrupt controller.
700
701 \param [in] IRQn External interrupt number. Value cannot be negative.
702 */
703__STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
704{
705 NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
706 __DSB();
707 __ISB();
708}
709
710
711/** \brief Get Pending Interrupt
712
713 The function reads the pending register in the NVIC and returns the pending bit
714 for the specified interrupt.
715
716 \param [in] IRQn Interrupt number.
717
718 \return 0 Interrupt status is not pending.
719 \return 1 Interrupt status is pending.
720 */
721__STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
722{
723 return((uint32_t)(((NVIC->ISPR[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
724}
725
726
727/** \brief Set Pending Interrupt
728
729 The function sets the pending bit of an external interrupt.
730
731 \param [in] IRQn Interrupt number. Value cannot be negative.
732 */
733__STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
734{
735 NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
736}
737
738
739/** \brief Clear Pending Interrupt
740
741 The function clears the pending bit of an external interrupt.
742
743 \param [in] IRQn External interrupt number. Value cannot be negative.
744 */
745__STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
746{
747 NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
748}
749
750
751/** \brief Set Interrupt Priority
752
753 The function sets the priority of an interrupt.
754
755 \note The priority cannot be set for every core interrupt.
756
757 \param [in] IRQn Interrupt number.
758 \param [in] priority Priority to set.
759 */
760__STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
761{
762 if((int32_t)(IRQn) < 0) {
763 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
764 (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
765 }
766 else {
767 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
768 (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
769 }
770}
771
772
773/** \brief Get Interrupt Priority
774
775 The function reads the priority of an interrupt. The interrupt
776 number can be positive to specify an external (device specific)
777 interrupt, or negative to specify an internal (core) interrupt.
778
779
780 \param [in] IRQn Interrupt number.
781 \return Interrupt Priority. Value is aligned automatically to the implemented
782 priority bits of the microcontroller.
783 */
784__STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
785{
786
787 if((int32_t)(IRQn) < 0) {
788 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
789 }
790 else {
791 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
792 }
793}
794
795
796/** \brief System Reset
797
798 The function initiates a system reset request to reset the MCU.
799 */
800__STATIC_INLINE void NVIC_SystemReset(void)
801{
802 __DSB(); /* Ensure all outstanding memory accesses included
803 buffered write are completed before reset */
804 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
805 SCB_AIRCR_SYSRESETREQ_Msk);
806 __DSB(); /* Ensure completion of memory access */
807 while(1) { __NOP(); } /* wait until reset */
808}
809
810/*@} end of CMSIS_Core_NVICFunctions */
811
812
813
814/* ################################## SysTick function ############################################ */
815/** \ingroup CMSIS_Core_FunctionInterface
816 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
817 \brief Functions that configure the System.
818 @{
819 */
820
821#if (__Vendor_SysTickConfig == 0)
822
823/** \brief System Tick Configuration
824
825 The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
826 Counter is in free running mode to generate periodic interrupts.
827
828 \param [in] ticks Number of ticks between two interrupts.
829
830 \return 0 Function succeeded.
831 \return 1 Function failed.
832
833 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
834 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
835 must contain a vendor-specific implementation of this function.
836
837 */
838__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
839{
840 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) {return (1UL);} /* Reload value impossible */
841
842 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
843 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
844 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
845 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
846 SysTick_CTRL_TICKINT_Msk |
847 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
848 return (0UL); /* Function successful */
849}
850
851#endif
852
853/*@} end of CMSIS_Core_SysTickFunctions */
854
855
856
857
858#ifdef __cplusplus
859}
860#endif
861
862#endif /* __CORE_CM0PLUS_H_DEPENDANT */
863
864#endif /* __CMSIS_GENERIC */
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