cantata
core_cm0plus.h
Go to the documentation of this file.
1 /**************************************************************************/
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 
55 /*******************************************************************************
56  * CMSIS definitions
57  ******************************************************************************/
63 #include "cmsis_version.h"
64 
65 /* CMSIS CM0+ definitions */
66 #define __CM0PLUS_CMSIS_VERSION_MAIN (__CM_CMSIS_VERSION_MAIN)
67 #define __CM0PLUS_CMSIS_VERSION_SUB (__CM_CMSIS_VERSION_SUB)
68 #define __CM0PLUS_CMSIS_VERSION ((__CM0PLUS_CMSIS_VERSION_MAIN << 16U) | \
69  __CM0PLUS_CMSIS_VERSION_SUB )
71 #define __CORTEX_M (0U)
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) */
169 #ifdef __cplusplus
170  #define __I volatile
171 #else
172  #define __I volatile const
173 #endif
174 #define __O volatile
175 #define __IO volatile
177 /* following defines should be used for structure members */
178 #define __IM volatile const
179 #define __OM volatile
180 #define __IOM volatile
182 
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 
210 typedef union
211 {
212  struct
213  {
214  uint32_t _reserved0:28;
215  uint32_t V:1;
216  uint32_t C:1;
217  uint32_t Z:1;
218  uint32_t N:1;
219  } b;
220  uint32_t w;
221 } APSR_Type;
222 
223 /* APSR Register Definitions */
224 #define APSR_N_Pos 31U
225 #define APSR_N_Msk (1UL << APSR_N_Pos)
227 #define APSR_Z_Pos 30U
228 #define APSR_Z_Msk (1UL << APSR_Z_Pos)
230 #define APSR_C_Pos 29U
231 #define APSR_C_Msk (1UL << APSR_C_Pos)
233 #define APSR_V_Pos 28U
234 #define APSR_V_Msk (1UL << APSR_V_Pos)
240 typedef union
241 {
242  struct
243  {
244  uint32_t ISR:9;
245  uint32_t _reserved0:23;
246  } b;
247  uint32_t w;
248 } IPSR_Type;
249 
250 /* IPSR Register Definitions */
251 #define IPSR_ISR_Pos 0U
252 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/)
258 typedef union
259 {
260  struct
261  {
262  uint32_t ISR:9;
263  uint32_t _reserved0:15;
264  uint32_t T:1;
265  uint32_t _reserved1:3;
266  uint32_t V:1;
267  uint32_t C:1;
268  uint32_t Z:1;
269  uint32_t N:1;
270  } b;
271  uint32_t w;
272 } xPSR_Type;
273 
274 /* xPSR Register Definitions */
275 #define xPSR_N_Pos 31U
276 #define xPSR_N_Msk (1UL << xPSR_N_Pos)
278 #define xPSR_Z_Pos 30U
279 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos)
281 #define xPSR_C_Pos 29U
282 #define xPSR_C_Msk (1UL << xPSR_C_Pos)
284 #define xPSR_V_Pos 28U
285 #define xPSR_V_Msk (1UL << xPSR_V_Pos)
287 #define xPSR_T_Pos 24U
288 #define xPSR_T_Msk (1UL << xPSR_T_Pos)
290 #define xPSR_ISR_Pos 0U
291 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/)
297 typedef union
298 {
299  struct
300  {
301  uint32_t nPRIV:1;
302  uint32_t SPSEL:1;
303  uint32_t _reserved1:30;
304  } b;
305  uint32_t w;
306 } CONTROL_Type;
307 
308 /* CONTROL Register Definitions */
309 #define CONTROL_SPSEL_Pos 1U
310 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos)
312 #define CONTROL_nPRIV_Pos 0U
313 #define CONTROL_nPRIV_Msk (1UL /*<< CONTROL_nPRIV_Pos*/)
315 
328 typedef struct
329 {
330  __IOM uint32_t ISER[1U];
331  uint32_t RESERVED0[31U];
332  __IOM uint32_t ICER[1U];
333  uint32_t RSERVED1[31U];
334  __IOM uint32_t ISPR[1U];
335  uint32_t RESERVED2[31U];
336  __IOM uint32_t ICPR[1U];
337  uint32_t RESERVED3[31U];
338  uint32_t RESERVED4[64U];
339  __IOM uint32_t IP[8U];
340 } NVIC_Type;
341 
355 typedef struct
356 {
357  __IM uint32_t CPUID;
358  __IOM uint32_t ICSR;
359 #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
360  __IOM uint32_t VTOR;
361 #else
362  uint32_t RESERVED0;
363 #endif
364  __IOM uint32_t AIRCR;
365  __IOM uint32_t SCR;
366  __IOM uint32_t CCR;
367  uint32_t RESERVED1;
368  __IOM uint32_t SHP[2U];
369  __IOM uint32_t SHCSR;
370 } SCB_Type;
371 
372 /* SCB CPUID Register Definitions */
373 #define SCB_CPUID_IMPLEMENTER_Pos 24U
374 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos)
376 #define SCB_CPUID_VARIANT_Pos 20U
377 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos)
379 #define SCB_CPUID_ARCHITECTURE_Pos 16U
380 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos)
382 #define SCB_CPUID_PARTNO_Pos 4U
383 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos)
385 #define SCB_CPUID_REVISION_Pos 0U
386 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/)
388 /* SCB Interrupt Control State Register Definitions */
389 #define SCB_ICSR_NMIPENDSET_Pos 31U
390 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos)
392 #define SCB_ICSR_PENDSVSET_Pos 28U
393 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos)
395 #define SCB_ICSR_PENDSVCLR_Pos 27U
396 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos)
398 #define SCB_ICSR_PENDSTSET_Pos 26U
399 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos)
401 #define SCB_ICSR_PENDSTCLR_Pos 25U
402 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos)
404 #define SCB_ICSR_ISRPREEMPT_Pos 23U
405 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos)
407 #define SCB_ICSR_ISRPENDING_Pos 22U
408 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos)
410 #define SCB_ICSR_VECTPENDING_Pos 12U
411 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos)
413 #define SCB_ICSR_VECTACTIVE_Pos 0U
414 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/)
416 #if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U)
417 /* SCB Interrupt Control State Register Definitions */
418 #define SCB_VTOR_TBLOFF_Pos 8U
419 #define SCB_VTOR_TBLOFF_Msk (0xFFFFFFUL << SCB_VTOR_TBLOFF_Pos)
420 #endif
421 
422 /* SCB Application Interrupt and Reset Control Register Definitions */
423 #define SCB_AIRCR_VECTKEY_Pos 16U
424 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos)
426 #define SCB_AIRCR_VECTKEYSTAT_Pos 16U
427 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos)
429 #define SCB_AIRCR_ENDIANESS_Pos 15U
430 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos)
432 #define SCB_AIRCR_SYSRESETREQ_Pos 2U
433 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos)
435 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U
436 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos)
438 /* SCB System Control Register Definitions */
439 #define SCB_SCR_SEVONPEND_Pos 4U
440 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos)
442 #define SCB_SCR_SLEEPDEEP_Pos 2U
443 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos)
445 #define SCB_SCR_SLEEPONEXIT_Pos 1U
446 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos)
448 /* SCB Configuration Control Register Definitions */
449 #define SCB_CCR_STKALIGN_Pos 9U
450 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos)
452 #define SCB_CCR_UNALIGN_TRP_Pos 3U
453 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos)
455 /* SCB System Handler Control and State Register Definitions */
456 #define SCB_SHCSR_SVCALLPENDED_Pos 15U
457 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos)
459 
472 typedef struct
473 {
474  __IOM uint32_t CTRL;
475  __IOM uint32_t LOAD;
476  __IOM uint32_t VAL;
477  __IM uint32_t CALIB;
478 } SysTick_Type;
479 
480 /* SysTick Control / Status Register Definitions */
481 #define SysTick_CTRL_COUNTFLAG_Pos 16U
482 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos)
484 #define SysTick_CTRL_CLKSOURCE_Pos 2U
485 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos)
487 #define SysTick_CTRL_TICKINT_Pos 1U
488 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos)
490 #define SysTick_CTRL_ENABLE_Pos 0U
491 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/)
493 /* SysTick Reload Register Definitions */
494 #define SysTick_LOAD_RELOAD_Pos 0U
495 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/)
497 /* SysTick Current Register Definitions */
498 #define SysTick_VAL_CURRENT_Pos 0U
499 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/)
501 /* SysTick Calibration Register Definitions */
502 #define SysTick_CALIB_NOREF_Pos 31U
503 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos)
505 #define SysTick_CALIB_SKEW_Pos 30U
506 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos)
508 #define SysTick_CALIB_TENMS_Pos 0U
509 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/)
511 
513 #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
514 
524 typedef struct
525 {
526  __IM uint32_t TYPE;
527  __IOM uint32_t CTRL;
528  __IOM uint32_t RNR;
529  __IOM uint32_t RBAR;
530  __IOM uint32_t RASR;
531 } MPU_Type;
532 
533 #define MPU_TYPE_RALIASES 1U
534 
535 /* MPU Type Register Definitions */
536 #define MPU_TYPE_IREGION_Pos 16U
537 #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos)
539 #define MPU_TYPE_DREGION_Pos 8U
540 #define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos)
542 #define MPU_TYPE_SEPARATE_Pos 0U
543 #define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/)
545 /* MPU Control Register Definitions */
546 #define MPU_CTRL_PRIVDEFENA_Pos 2U
547 #define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos)
549 #define MPU_CTRL_HFNMIENA_Pos 1U
550 #define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos)
552 #define MPU_CTRL_ENABLE_Pos 0U
553 #define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/)
555 /* MPU Region Number Register Definitions */
556 #define MPU_RNR_REGION_Pos 0U
557 #define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/)
559 /* MPU Region Base Address Register Definitions */
560 #define MPU_RBAR_ADDR_Pos 8U
561 #define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos)
563 #define MPU_RBAR_VALID_Pos 4U
564 #define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos)
566 #define MPU_RBAR_REGION_Pos 0U
567 #define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/)
569 /* MPU Region Attribute and Size Register Definitions */
570 #define MPU_RASR_ATTRS_Pos 16U
571 #define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos)
573 #define MPU_RASR_XN_Pos 28U
574 #define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos)
576 #define MPU_RASR_AP_Pos 24U
577 #define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos)
579 #define MPU_RASR_TEX_Pos 19U
580 #define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos)
582 #define MPU_RASR_S_Pos 18U
583 #define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos)
585 #define MPU_RASR_C_Pos 17U
586 #define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos)
588 #define MPU_RASR_B_Pos 16U
589 #define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos)
591 #define MPU_RASR_SRD_Pos 8U
592 #define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos)
594 #define MPU_RASR_SIZE_Pos 1U
595 #define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos)
597 #define MPU_RASR_ENABLE_Pos 0U
598 #define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/)
600 
601 #endif
602 
603 
611 
627 #define _VAL2FLD(field, value) (((uint32_t)(value) << field ## _Pos) & field ## _Msk)
628 
635 #define _FLD2VAL(field, value) (((uint32_t)(value) & field ## _Msk) >> field ## _Pos)
636 
647 /* Memory mapping of Core Hardware */
648 #define SCS_BASE (0xE000E000UL)
649 #define SysTick_BASE (SCS_BASE + 0x0010UL)
650 #define NVIC_BASE (SCS_BASE + 0x0100UL)
651 #define SCB_BASE (SCS_BASE + 0x0D00UL)
653 #define SCB ((SCB_Type *) SCB_BASE )
654 #define SysTick ((SysTick_Type *) SysTick_BASE )
655 #define NVIC ((NVIC_Type *) NVIC_BASE )
657 #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
658  #define MPU_BASE (SCS_BASE + 0x0D90UL)
659  #define MPU ((MPU_Type *) MPU_BASE )
660 #endif
661 
666 /*******************************************************************************
667  * Hardware Abstraction Layer
668  Core Function Interface contains:
669  - Core NVIC Functions
670  - Core SysTick Functions
671  - Core Register Access Functions
672  ******************************************************************************/
679 /* ########################## NVIC functions #################################### */
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 
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 #################################### */
1023 __STATIC_INLINE uint32_t SCB_GetFPUType(void)
1024 {
1025  return 0U; /* No FPU */
1026 }
1027 
1028 
1033 /* ################################## SysTick function ############################################ */
1041 #if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U)
1042 
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 
1077 #ifdef __cplusplus
1078 }
1079 #endif
1080 
1081 #endif /* __CORE_CM0PLUS_H_DEPENDANT */
1082 
1083 #endif /* __CMSIS_GENERIC */
__NVIC_GetEnableIRQ
__STATIC_INLINE uint32_t __NVIC_GetEnableIRQ(IRQn_Type IRQn)
Get Interrupt Enable status.
Definition: core_armv8mbl.h:1269
NVIC_DecodePriority
__STATIC_INLINE void NVIC_DecodePriority(uint32_t Priority, uint32_t PriorityGroup, uint32_t *const pPreemptPriority, uint32_t *const pSubPriority)
Decode Priority.
Definition: core_armv8mbl.h:1523
SCB_GetFPUType
__STATIC_INLINE uint32_t SCB_GetFPUType(void)
get FPU type
Definition: core_armv8mbl.h:1791
SCB_AIRCR_VECTKEY_Pos
#define SCB_AIRCR_VECTKEY_Pos
Definition: core_cm0plus.h:423
NVIC_Type
Structure type to access the Nested Vectored Interrupt Controller (NVIC).
Definition: core_armv8mbl.h:351
SysTick_CTRL_CLKSOURCE_Msk
#define SysTick_CTRL_CLKSOURCE_Msk
Definition: core_cm0plus.h:485
SCB_Type
Structure type to access the System Control Block (SCB).
Definition: core_armv8mbl.h:381
NVIC_EncodePriority
__STATIC_INLINE uint32_t NVIC_EncodePriority(uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority)
Encode Priority.
Definition: core_armv8mbl.h:1496
SysTick_IRQn
Definition: stm32f103xb.h:80
__DSB
__STATIC_FORCEINLINE void __DSB(void)
Data Synchronization Barrier.
Definition: cmsis_gcc.h:877
__NOP
#define __NOP
No Operation.
Definition: cmsis_armcc.h:387
__NVIC_SetPendingIRQ
__STATIC_INLINE void __NVIC_SetPendingIRQ(IRQn_Type IRQn)
Set Pending Interrupt.
Definition: core_armv8mbl.h:1326
__NVIC_ClearPendingIRQ
__STATIC_INLINE void __NVIC_ClearPendingIRQ(IRQn_Type IRQn)
Clear Pending Interrupt.
Definition: core_armv8mbl.h:1341
SysTick_CTRL_TICKINT_Msk
#define SysTick_CTRL_TICKINT_Msk
Definition: core_cm0plus.h:488
SCB
#define SCB
Definition: core_cm0plus.h:653
SysTick_Type
Structure type to access the System Timer (SysTick).
Definition: core_armv8mbl.h:558
APSR_Type
Union type to access the Application Program Status Register (APSR).
Definition: core_armv8mbl.h:233
cmsis_version.h
CMSIS Core(M) Version definitions.
__NVIC_EnableIRQ
__STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn)
Enable Interrupt.
Definition: core_armv8mbl.h:1252
SysTick
#define SysTick
Definition: core_cm0plus.h:654
__NVIC_SetVector
__STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector)
Set Interrupt Vector.
Definition: core_armv8mbl.h:1547
CONTROL_Type
Union type to access the Control Registers (CONTROL).
Definition: core_armv8mbl.h:320
NVIC
#define NVIC
Definition: core_cm0plus.h:655
SysTick_LOAD_RELOAD_Msk
#define SysTick_LOAD_RELOAD_Msk
Definition: core_cm0plus.h:495
IRQn_Type
IRQn_Type
STM32F10x Interrupt Number Definition, according to the selected device in Library_configuration_sect...
Definition: stm32f103xb.h:69
IPSR_Type
Union type to access the Interrupt Program Status Register (IPSR).
Definition: core_armv8mbl.h:263
__ISB
__STATIC_FORCEINLINE void __ISB(void)
Instruction Synchronization Barrier.
Definition: cmsis_gcc.h:866
xPSR_Type
Union type to access the Special-Purpose Program Status Registers (xPSR).
Definition: core_armv8mbl.h:281
__NVIC_DisableIRQ
__STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn)
Disable Interrupt.
Definition: core_armv8mbl.h:1288
SysTick_CTRL_ENABLE_Msk
#define SysTick_CTRL_ENABLE_Msk
Definition: core_cm0plus.h:491
__NVIC_GetVector
__STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn)
Get Interrupt Vector.
Definition: core_armv8mbl.h:1566
cmsis_compiler.h
CMSIS compiler generic header file.
__NVIC_PRIO_BITS
#define __NVIC_PRIO_BITS
Definition: stm32f103xb.h:52
SCB_AIRCR_SYSRESETREQ_Msk
#define SCB_AIRCR_SYSRESETREQ_Msk
Definition: core_cm0plus.h:433
__NVIC_SystemReset
__NO_RETURN __STATIC_INLINE void __NVIC_SystemReset(void)
System Reset.
Definition: core_armv8mbl.h:1581
__NVIC_SetPriority
__STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
Set Interrupt Priority.
Definition: core_armv8mbl.h:1447
__NVIC_GetPendingIRQ
__STATIC_INLINE uint32_t __NVIC_GetPendingIRQ(IRQn_Type IRQn)
Get Pending Interrupt.
Definition: core_armv8mbl.h:1307
__NVIC_GetPriority
__STATIC_INLINE uint32_t __NVIC_GetPriority(IRQn_Type IRQn)
Get Interrupt Priority.
Definition: core_armv8mbl.h:1471
Generated by   doxygen 1.8.13