1 /**************************************************************************//**
\r
3 * @brief CMSIS SC000 Core Peripheral Access Layer Header File
\r
6 ******************************************************************************/
\r
8 * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
\r
10 * SPDX-License-Identifier: Apache-2.0
\r
12 * Licensed under the Apache License, Version 2.0 (the License); you may
\r
13 * not use this file except in compliance with the License.
\r
14 * You may obtain a copy of the License at
\r
16 * www.apache.org/licenses/LICENSE-2.0
\r
18 * Unless required by applicable law or agreed to in writing, software
\r
19 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
\r
20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
\r
21 * See the License for the specific language governing permissions and
\r
22 * limitations under the License.
\r
25 #if defined ( __ICCARM__ )
\r
26 #pragma system_include /* treat file as system include file for MISRA check */
\r
27 #elif defined (__clang__)
\r
28 #pragma clang system_header /* treat file as system include file */
\r
31 #ifndef __CORE_SC000_H_GENERIC
\r
32 #define __CORE_SC000_H_GENERIC
\r
41 \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
\r
42 CMSIS violates the following MISRA-C:2004 rules:
\r
44 \li Required Rule 8.5, object/function definition in header file.<br>
\r
45 Function definitions in header files are used to allow 'inlining'.
\r
47 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
\r
48 Unions are used for effective representation of core registers.
\r
50 \li Advisory Rule 19.7, Function-like macro defined.<br>
\r
51 Function-like macros are used to allow more efficient code.
\r
55 /*******************************************************************************
\r
57 ******************************************************************************/
\r
63 #include "cmsis_version.h"
\r
65 /* CMSIS SC000 definitions */
\r
66 #define __SC000_CMSIS_VERSION_MAIN (__CM_CMSIS_VERSION_MAIN) /*!< \deprecated [31:16] CMSIS HAL main version */
\r
67 #define __SC000_CMSIS_VERSION_SUB (__CM_CMSIS_VERSION_SUB) /*!< \deprecated [15:0] CMSIS HAL sub version */
\r
68 #define __SC000_CMSIS_VERSION ((__SC000_CMSIS_VERSION_MAIN << 16U) | \
\r
69 __SC000_CMSIS_VERSION_SUB ) /*!< \deprecated CMSIS HAL version number */
\r
71 #define __CORTEX_SC (000U) /*!< Cortex secure core */
\r
73 /** __FPU_USED indicates whether an FPU is used or not.
\r
74 This core does not support an FPU at all
\r
76 #define __FPU_USED 0U
\r
78 #if defined ( __CC_ARM )
\r
79 #if defined __TARGET_FPU_VFP
\r
80 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
\r
83 #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
\r
84 #if defined __ARM_PCS_VFP
\r
85 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
\r
88 #elif defined ( __GNUC__ )
\r
89 #if defined (__VFP_FP__) && !defined(__SOFTFP__)
\r
90 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
\r
93 #elif defined ( __ICCARM__ )
\r
94 #if defined __ARMVFP__
\r
95 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
\r
98 #elif defined ( __TI_ARM__ )
\r
99 #if defined __TI_VFP_SUPPORT__
\r
100 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
\r
103 #elif defined ( __TASKING__ )
\r
104 #if defined __FPU_VFP__
\r
105 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
\r
108 #elif defined ( __CSMC__ )
\r
109 #if ( __CSMC__ & 0x400U)
\r
110 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
\r
115 #include "cmsis_compiler.h" /* CMSIS compiler specific defines */
\r
122 #endif /* __CORE_SC000_H_GENERIC */
\r
124 #ifndef __CMSIS_GENERIC
\r
126 #ifndef __CORE_SC000_H_DEPENDANT
\r
127 #define __CORE_SC000_H_DEPENDANT
\r
133 /* check device defines and use defaults */
\r
134 #if defined __CHECK_DEVICE_DEFINES
\r
135 #ifndef __SC000_REV
\r
136 #define __SC000_REV 0x0000U
\r
137 #warning "__SC000_REV not defined in device header file; using default!"
\r
140 #ifndef __MPU_PRESENT
\r
141 #define __MPU_PRESENT 0U
\r
142 #warning "__MPU_PRESENT not defined in device header file; using default!"
\r
145 #ifndef __NVIC_PRIO_BITS
\r
146 #define __NVIC_PRIO_BITS 2U
\r
147 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
\r
150 #ifndef __Vendor_SysTickConfig
\r
151 #define __Vendor_SysTickConfig 0U
\r
152 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
\r
156 /* IO definitions (access restrictions to peripheral registers) */
\r
158 \defgroup CMSIS_glob_defs CMSIS Global Defines
\r
160 <strong>IO Type Qualifiers</strong> are used
\r
161 \li to specify the access to peripheral variables.
\r
162 \li for automatic generation of peripheral register debug information.
\r
165 #define __I volatile /*!< Defines 'read only' permissions */
\r
167 #define __I volatile const /*!< Defines 'read only' permissions */
\r
169 #define __O volatile /*!< Defines 'write only' permissions */
\r
170 #define __IO volatile /*!< Defines 'read / write' permissions */
\r
172 /* following defines should be used for structure members */
\r
173 #define __IM volatile const /*! Defines 'read only' structure member permissions */
\r
174 #define __OM volatile /*! Defines 'write only' structure member permissions */
\r
175 #define __IOM volatile /*! Defines 'read / write' structure member permissions */
\r
177 /*@} end of group SC000 */
\r
181 /*******************************************************************************
\r
182 * Register Abstraction
\r
183 Core Register contain:
\r
185 - Core NVIC Register
\r
186 - Core SCB Register
\r
187 - Core SysTick Register
\r
188 - Core MPU Register
\r
189 ******************************************************************************/
\r
191 \defgroup CMSIS_core_register Defines and Type Definitions
\r
192 \brief Type definitions and defines for Cortex-M processor based devices.
\r
196 \ingroup CMSIS_core_register
\r
197 \defgroup CMSIS_CORE Status and Control Registers
\r
198 \brief Core Register type definitions.
\r
203 \brief Union type to access the Application Program Status Register (APSR).
\r
209 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
\r
210 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
\r
211 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
\r
212 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
\r
213 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
\r
214 } b; /*!< Structure used for bit access */
\r
215 uint32_t w; /*!< Type used for word access */
\r
218 /* APSR Register Definitions */
\r
219 #define APSR_N_Pos 31U /*!< APSR: N Position */
\r
220 #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
\r
222 #define APSR_Z_Pos 30U /*!< APSR: Z Position */
\r
223 #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
\r
225 #define APSR_C_Pos 29U /*!< APSR: C Position */
\r
226 #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
\r
228 #define APSR_V_Pos 28U /*!< APSR: V Position */
\r
229 #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
\r
233 \brief Union type to access the Interrupt Program Status Register (IPSR).
\r
239 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
\r
240 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
\r
241 } b; /*!< Structure used for bit access */
\r
242 uint32_t w; /*!< Type used for word access */
\r
245 /* IPSR Register Definitions */
\r
246 #define IPSR_ISR_Pos 0U /*!< IPSR: ISR Position */
\r
247 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
\r
251 \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
\r
257 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
\r
258 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
\r
259 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
\r
260 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
\r
261 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
\r
262 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
\r
263 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
\r
264 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
\r
265 } b; /*!< Structure used for bit access */
\r
266 uint32_t w; /*!< Type used for word access */
\r
269 /* xPSR Register Definitions */
\r
270 #define xPSR_N_Pos 31U /*!< xPSR: N Position */
\r
271 #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
\r
273 #define xPSR_Z_Pos 30U /*!< xPSR: Z Position */
\r
274 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
\r
276 #define xPSR_C_Pos 29U /*!< xPSR: C Position */
\r
277 #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
\r
279 #define xPSR_V_Pos 28U /*!< xPSR: V Position */
\r
280 #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
\r
282 #define xPSR_T_Pos 24U /*!< xPSR: T Position */
\r
283 #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
\r
285 #define xPSR_ISR_Pos 0U /*!< xPSR: ISR Position */
\r
286 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
\r
290 \brief Union type to access the Control Registers (CONTROL).
\r
296 uint32_t _reserved0:1; /*!< bit: 0 Reserved */
\r
297 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
\r
298 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
\r
299 } b; /*!< Structure used for bit access */
\r
300 uint32_t w; /*!< Type used for word access */
\r
303 /* CONTROL Register Definitions */
\r
304 #define CONTROL_SPSEL_Pos 1U /*!< CONTROL: SPSEL Position */
\r
305 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
\r
307 /*@} end of group CMSIS_CORE */
\r
311 \ingroup CMSIS_core_register
\r
312 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
\r
313 \brief Type definitions for the NVIC Registers
\r
318 \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
\r
322 __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
\r
323 uint32_t RESERVED0[31U];
\r
324 __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
\r
325 uint32_t RSERVED1[31U];
\r
326 __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
\r
327 uint32_t RESERVED2[31U];
\r
328 __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
\r
329 uint32_t RESERVED3[31U];
\r
330 uint32_t RESERVED4[64U];
\r
331 __IOM uint32_t IP[8U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
\r
334 /*@} end of group CMSIS_NVIC */
\r
338 \ingroup CMSIS_core_register
\r
339 \defgroup CMSIS_SCB System Control Block (SCB)
\r
340 \brief Type definitions for the System Control Block Registers
\r
345 \brief Structure type to access the System Control Block (SCB).
\r
349 __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
\r
350 __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
\r
351 __IOM uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */
\r
352 __IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
\r
353 __IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
\r
354 __IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
\r
355 uint32_t RESERVED0[1U];
\r
356 __IOM uint32_t SHP[2U]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
\r
357 __IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
\r
358 uint32_t RESERVED1[154U];
\r
359 __IOM uint32_t SFCR; /*!< Offset: 0x290 (R/W) Security Features Control Register */
\r
362 /* SCB CPUID Register Definitions */
\r
363 #define SCB_CPUID_IMPLEMENTER_Pos 24U /*!< SCB CPUID: IMPLEMENTER Position */
\r
364 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
\r
366 #define SCB_CPUID_VARIANT_Pos 20U /*!< SCB CPUID: VARIANT Position */
\r
367 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
\r
369 #define SCB_CPUID_ARCHITECTURE_Pos 16U /*!< SCB CPUID: ARCHITECTURE Position */
\r
370 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
\r
372 #define SCB_CPUID_PARTNO_Pos 4U /*!< SCB CPUID: PARTNO Position */
\r
373 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
\r
375 #define SCB_CPUID_REVISION_Pos 0U /*!< SCB CPUID: REVISION Position */
\r
376 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */
\r
378 /* SCB Interrupt Control State Register Definitions */
\r
379 #define SCB_ICSR_NMIPENDSET_Pos 31U /*!< SCB ICSR: NMIPENDSET Position */
\r
380 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
\r
382 #define SCB_ICSR_PENDSVSET_Pos 28U /*!< SCB ICSR: PENDSVSET Position */
\r
383 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
\r
385 #define SCB_ICSR_PENDSVCLR_Pos 27U /*!< SCB ICSR: PENDSVCLR Position */
\r
386 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
\r
388 #define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */
\r
389 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
\r
391 #define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */
\r
392 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
\r
394 #define SCB_ICSR_ISRPREEMPT_Pos 23U /*!< SCB ICSR: ISRPREEMPT Position */
\r
395 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
\r
397 #define SCB_ICSR_ISRPENDING_Pos 22U /*!< SCB ICSR: ISRPENDING Position */
\r
398 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
\r
400 #define SCB_ICSR_VECTPENDING_Pos 12U /*!< SCB ICSR: VECTPENDING Position */
\r
401 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
\r
403 #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */
\r
404 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */
\r
406 /* SCB Interrupt Control State Register Definitions */
\r
407 #define SCB_VTOR_TBLOFF_Pos 7U /*!< SCB VTOR: TBLOFF Position */
\r
408 #define SCB_VTOR_TBLOFF_Msk (0x1FFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */
\r
410 /* SCB Application Interrupt and Reset Control Register Definitions */
\r
411 #define SCB_AIRCR_VECTKEY_Pos 16U /*!< SCB AIRCR: VECTKEY Position */
\r
412 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
\r
414 #define SCB_AIRCR_VECTKEYSTAT_Pos 16U /*!< SCB AIRCR: VECTKEYSTAT Position */
\r
415 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
\r
417 #define SCB_AIRCR_ENDIANESS_Pos 15U /*!< SCB AIRCR: ENDIANESS Position */
\r
418 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
\r
420 #define SCB_AIRCR_SYSRESETREQ_Pos 2U /*!< SCB AIRCR: SYSRESETREQ Position */
\r
421 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
\r
423 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U /*!< SCB AIRCR: VECTCLRACTIVE Position */
\r
424 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
\r
426 /* SCB System Control Register Definitions */
\r
427 #define SCB_SCR_SEVONPEND_Pos 4U /*!< SCB SCR: SEVONPEND Position */
\r
428 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
\r
430 #define SCB_SCR_SLEEPDEEP_Pos 2U /*!< SCB SCR: SLEEPDEEP Position */
\r
431 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
\r
433 #define SCB_SCR_SLEEPONEXIT_Pos 1U /*!< SCB SCR: SLEEPONEXIT Position */
\r
434 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
\r
436 /* SCB Configuration Control Register Definitions */
\r
437 #define SCB_CCR_STKALIGN_Pos 9U /*!< SCB CCR: STKALIGN Position */
\r
438 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
\r
440 #define SCB_CCR_UNALIGN_TRP_Pos 3U /*!< SCB CCR: UNALIGN_TRP Position */
\r
441 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
\r
443 /* SCB System Handler Control and State Register Definitions */
\r
444 #define SCB_SHCSR_SVCALLPENDED_Pos 15U /*!< SCB SHCSR: SVCALLPENDED Position */
\r
445 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
\r
447 /*@} end of group CMSIS_SCB */
\r
451 \ingroup CMSIS_core_register
\r
452 \defgroup CMSIS_SCnSCB System Controls not in SCB (SCnSCB)
\r
453 \brief Type definitions for the System Control and ID Register not in the SCB
\r
458 \brief Structure type to access the System Control and ID Register not in the SCB.
\r
462 uint32_t RESERVED0[2U];
\r
463 __IOM uint32_t ACTLR; /*!< Offset: 0x008 (R/W) Auxiliary Control Register */
\r
466 /* Auxiliary Control Register Definitions */
\r
467 #define SCnSCB_ACTLR_DISMCYCINT_Pos 0U /*!< ACTLR: DISMCYCINT Position */
\r
468 #define SCnSCB_ACTLR_DISMCYCINT_Msk (1UL /*<< SCnSCB_ACTLR_DISMCYCINT_Pos*/) /*!< ACTLR: DISMCYCINT Mask */
\r
470 /*@} end of group CMSIS_SCnotSCB */
\r
474 \ingroup CMSIS_core_register
\r
475 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
\r
476 \brief Type definitions for the System Timer Registers.
\r
481 \brief Structure type to access the System Timer (SysTick).
\r
485 __IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
\r
486 __IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
\r
487 __IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
\r
488 __IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
\r
491 /* SysTick Control / Status Register Definitions */
\r
492 #define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */
\r
493 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
\r
495 #define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */
\r
496 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
\r
498 #define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */
\r
499 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
\r
501 #define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */
\r
502 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */
\r
504 /* SysTick Reload Register Definitions */
\r
505 #define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */
\r
506 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */
\r
508 /* SysTick Current Register Definitions */
\r
509 #define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */
\r
510 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */
\r
512 /* SysTick Calibration Register Definitions */
\r
513 #define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */
\r
514 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
\r
516 #define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */
\r
517 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
\r
519 #define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */
\r
520 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
\r
522 /*@} end of group CMSIS_SysTick */
\r
524 #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
\r
526 \ingroup CMSIS_core_register
\r
527 \defgroup CMSIS_MPU Memory Protection Unit (MPU)
\r
528 \brief Type definitions for the Memory Protection Unit (MPU)
\r
533 \brief Structure type to access the Memory Protection Unit (MPU).
\r
537 __IM uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */
\r
538 __IOM uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */
\r
539 __IOM uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */
\r
540 __IOM uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */
\r
541 __IOM uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */
\r
544 /* MPU Type Register Definitions */
\r
545 #define MPU_TYPE_IREGION_Pos 16U /*!< MPU TYPE: IREGION Position */
\r
546 #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */
\r
548 #define MPU_TYPE_DREGION_Pos 8U /*!< MPU TYPE: DREGION Position */
\r
549 #define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */
\r
551 #define MPU_TYPE_SEPARATE_Pos 0U /*!< MPU TYPE: SEPARATE Position */
\r
552 #define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/) /*!< MPU TYPE: SEPARATE Mask */
\r
554 /* MPU Control Register Definitions */
\r
555 #define MPU_CTRL_PRIVDEFENA_Pos 2U /*!< MPU CTRL: PRIVDEFENA Position */
\r
556 #define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */
\r
558 #define MPU_CTRL_HFNMIENA_Pos 1U /*!< MPU CTRL: HFNMIENA Position */
\r
559 #define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */
\r
561 #define MPU_CTRL_ENABLE_Pos 0U /*!< MPU CTRL: ENABLE Position */
\r
562 #define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/) /*!< MPU CTRL: ENABLE Mask */
\r
564 /* MPU Region Number Register Definitions */
\r
565 #define MPU_RNR_REGION_Pos 0U /*!< MPU RNR: REGION Position */
\r
566 #define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/) /*!< MPU RNR: REGION Mask */
\r
568 /* MPU Region Base Address Register Definitions */
\r
569 #define MPU_RBAR_ADDR_Pos 8U /*!< MPU RBAR: ADDR Position */
\r
570 #define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */
\r
572 #define MPU_RBAR_VALID_Pos 4U /*!< MPU RBAR: VALID Position */
\r
573 #define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */
\r
575 #define MPU_RBAR_REGION_Pos 0U /*!< MPU RBAR: REGION Position */
\r
576 #define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/) /*!< MPU RBAR: REGION Mask */
\r
578 /* MPU Region Attribute and Size Register Definitions */
\r
579 #define MPU_RASR_ATTRS_Pos 16U /*!< MPU RASR: MPU Region Attribute field Position */
\r
580 #define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */
\r
582 #define MPU_RASR_XN_Pos 28U /*!< MPU RASR: ATTRS.XN Position */
\r
583 #define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */
\r
585 #define MPU_RASR_AP_Pos 24U /*!< MPU RASR: ATTRS.AP Position */
\r
586 #define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */
\r
588 #define MPU_RASR_TEX_Pos 19U /*!< MPU RASR: ATTRS.TEX Position */
\r
589 #define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */
\r
591 #define MPU_RASR_S_Pos 18U /*!< MPU RASR: ATTRS.S Position */
\r
592 #define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */
\r
594 #define MPU_RASR_C_Pos 17U /*!< MPU RASR: ATTRS.C Position */
\r
595 #define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */
\r
597 #define MPU_RASR_B_Pos 16U /*!< MPU RASR: ATTRS.B Position */
\r
598 #define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */
\r
600 #define MPU_RASR_SRD_Pos 8U /*!< MPU RASR: Sub-Region Disable Position */
\r
601 #define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */
\r
603 #define MPU_RASR_SIZE_Pos 1U /*!< MPU RASR: Region Size Field Position */
\r
604 #define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */
\r
606 #define MPU_RASR_ENABLE_Pos 0U /*!< MPU RASR: Region enable bit Position */
\r
607 #define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/) /*!< MPU RASR: Region enable bit Disable Mask */
\r
609 /*@} end of group CMSIS_MPU */
\r
614 \ingroup CMSIS_core_register
\r
615 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
\r
616 \brief SC000 Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor.
\r
617 Therefore they are not covered by the SC000 header file.
\r
620 /*@} end of group CMSIS_CoreDebug */
\r
624 \ingroup CMSIS_core_register
\r
625 \defgroup CMSIS_core_bitfield Core register bit field macros
\r
626 \brief Macros for use with bit field definitions (xxx_Pos, xxx_Msk).
\r
631 \brief Mask and shift a bit field value for use in a register bit range.
\r
632 \param[in] field Name of the register bit field.
\r
633 \param[in] value Value of the bit field. This parameter is interpreted as an uint32_t type.
\r
634 \return Masked and shifted value.
\r
636 #define _VAL2FLD(field, value) (((uint32_t)(value) << field ## _Pos) & field ## _Msk)
\r
639 \brief Mask and shift a register value to extract a bit filed value.
\r
640 \param[in] field Name of the register bit field.
\r
641 \param[in] value Value of register. This parameter is interpreted as an uint32_t type.
\r
642 \return Masked and shifted bit field value.
\r
644 #define _FLD2VAL(field, value) (((uint32_t)(value) & field ## _Msk) >> field ## _Pos)
\r
646 /*@} end of group CMSIS_core_bitfield */
\r
650 \ingroup CMSIS_core_register
\r
651 \defgroup CMSIS_core_base Core Definitions
\r
652 \brief Definitions for base addresses, unions, and structures.
\r
656 /* Memory mapping of Core Hardware */
\r
657 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
\r
658 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
\r
659 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
\r
660 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
\r
662 #define SCnSCB ((SCnSCB_Type *) SCS_BASE ) /*!< System control Register not in SCB */
\r
663 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
\r
664 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
\r
665 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
\r
667 #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U)
\r
668 #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */
\r
669 #define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */
\r
676 /*******************************************************************************
\r
677 * Hardware Abstraction Layer
\r
678 Core Function Interface contains:
\r
679 - Core NVIC Functions
\r
680 - Core SysTick Functions
\r
681 - Core Register Access Functions
\r
682 ******************************************************************************/
\r
684 \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
\r
689 /* ########################## NVIC functions #################################### */
\r
691 \ingroup CMSIS_Core_FunctionInterface
\r
692 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
\r
693 \brief Functions that manage interrupts and exceptions via the NVIC.
\r
697 #ifdef CMSIS_NVIC_VIRTUAL
\r
698 #ifndef CMSIS_NVIC_VIRTUAL_HEADER_FILE
\r
699 #define CMSIS_NVIC_VIRTUAL_HEADER_FILE "cmsis_nvic_virtual.h"
\r
701 #include CMSIS_NVIC_VIRTUAL_HEADER_FILE
\r
703 /*#define NVIC_SetPriorityGrouping __NVIC_SetPriorityGrouping not available for SC000 */
\r
704 /*#define NVIC_GetPriorityGrouping __NVIC_GetPriorityGrouping not available for SC000 */
\r
705 #define NVIC_EnableIRQ __NVIC_EnableIRQ
\r
706 #define NVIC_GetEnableIRQ __NVIC_GetEnableIRQ
\r
707 #define NVIC_DisableIRQ __NVIC_DisableIRQ
\r
708 #define NVIC_GetPendingIRQ __NVIC_GetPendingIRQ
\r
709 #define NVIC_SetPendingIRQ __NVIC_SetPendingIRQ
\r
710 #define NVIC_ClearPendingIRQ __NVIC_ClearPendingIRQ
\r
711 /*#define NVIC_GetActive __NVIC_GetActive not available for SC000 */
\r
712 #define NVIC_SetPriority __NVIC_SetPriority
\r
713 #define NVIC_GetPriority __NVIC_GetPriority
\r
714 #define NVIC_SystemReset __NVIC_SystemReset
\r
715 #endif /* CMSIS_NVIC_VIRTUAL */
\r
717 #ifdef CMSIS_VECTAB_VIRTUAL
\r
718 #ifndef CMSIS_VECTAB_VIRTUAL_HEADER_FILE
\r
719 #define CMSIS_VECTAB_VIRTUAL_HEADER_FILE "cmsis_vectab_virtual.h"
\r
721 #include CMSIS_VECTAB_VIRTUAL_HEADER_FILE
\r
723 #define NVIC_SetVector __NVIC_SetVector
\r
724 #define NVIC_GetVector __NVIC_GetVector
\r
725 #endif /* (CMSIS_VECTAB_VIRTUAL) */
\r
727 #define NVIC_USER_IRQ_OFFSET 16
\r
730 /* The following EXC_RETURN values are saved the LR on exception entry */
\r
731 #define EXC_RETURN_HANDLER (0xFFFFFFF1UL) /* return to Handler mode, uses MSP after return */
\r
732 #define EXC_RETURN_THREAD_MSP (0xFFFFFFF9UL) /* return to Thread mode, uses MSP after return */
\r
733 #define EXC_RETURN_THREAD_PSP (0xFFFFFFFDUL) /* return to Thread mode, uses PSP after return */
\r
736 /* Interrupt Priorities are WORD accessible only under Armv6-M */
\r
737 /* The following MACROS handle generation of the register offset and byte masks */
\r
738 #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
\r
739 #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
\r
740 #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
\r
744 \brief Enable Interrupt
\r
745 \details Enables a device specific interrupt in the NVIC interrupt controller.
\r
746 \param [in] IRQn Device specific interrupt number.
\r
747 \note IRQn must not be negative.
\r
749 __STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn)
\r
751 if ((int32_t)(IRQn) >= 0)
\r
753 NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
\r
759 \brief Get Interrupt Enable status
\r
760 \details Returns a device specific interrupt enable status from the NVIC interrupt controller.
\r
761 \param [in] IRQn Device specific interrupt number.
\r
762 \return 0 Interrupt is not enabled.
\r
763 \return 1 Interrupt is enabled.
\r
764 \note IRQn must not be negative.
\r
766 __STATIC_INLINE uint32_t __NVIC_GetEnableIRQ(IRQn_Type IRQn)
\r
768 if ((int32_t)(IRQn) >= 0)
\r
770 return((uint32_t)(((NVIC->ISER[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
\r
780 \brief Disable Interrupt
\r
781 \details Disables a device specific interrupt in the NVIC interrupt controller.
\r
782 \param [in] IRQn Device specific interrupt number.
\r
783 \note IRQn must not be negative.
\r
785 __STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn)
\r
787 if ((int32_t)(IRQn) >= 0)
\r
789 NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
\r
797 \brief Get Pending Interrupt
\r
798 \details Reads the NVIC pending register and returns the pending bit for the specified device specific interrupt.
\r
799 \param [in] IRQn Device specific interrupt number.
\r
800 \return 0 Interrupt status is not pending.
\r
801 \return 1 Interrupt status is pending.
\r
802 \note IRQn must not be negative.
\r
804 __STATIC_INLINE uint32_t __NVIC_GetPendingIRQ(IRQn_Type IRQn)
\r
806 if ((int32_t)(IRQn) >= 0)
\r
808 return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
\r
818 \brief Set Pending Interrupt
\r
819 \details Sets the pending bit of a device specific interrupt in the NVIC pending register.
\r
820 \param [in] IRQn Device specific interrupt number.
\r
821 \note IRQn must not be negative.
\r
823 __STATIC_INLINE void __NVIC_SetPendingIRQ(IRQn_Type IRQn)
\r
825 if ((int32_t)(IRQn) >= 0)
\r
827 NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
\r
833 \brief Clear Pending Interrupt
\r
834 \details Clears the pending bit of a device specific interrupt in the NVIC pending register.
\r
835 \param [in] IRQn Device specific interrupt number.
\r
836 \note IRQn must not be negative.
\r
838 __STATIC_INLINE void __NVIC_ClearPendingIRQ(IRQn_Type IRQn)
\r
840 if ((int32_t)(IRQn) >= 0)
\r
842 NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
\r
848 \brief Set Interrupt Priority
\r
849 \details Sets the priority of a device specific interrupt or a processor exception.
\r
850 The interrupt number can be positive to specify a device specific interrupt,
\r
851 or negative to specify a processor exception.
\r
852 \param [in] IRQn Interrupt number.
\r
853 \param [in] priority Priority to set.
\r
854 \note The priority cannot be set for every processor exception.
\r
856 __STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
\r
858 if ((int32_t)(IRQn) >= 0)
\r
860 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
\r
861 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
\r
865 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
\r
866 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
\r
872 \brief Get Interrupt Priority
\r
873 \details Reads the priority of a device specific interrupt or a processor exception.
\r
874 The interrupt number can be positive to specify a device specific interrupt,
\r
875 or negative to specify a processor exception.
\r
876 \param [in] IRQn Interrupt number.
\r
877 \return Interrupt Priority.
\r
878 Value is aligned automatically to the implemented priority bits of the microcontroller.
\r
880 __STATIC_INLINE uint32_t __NVIC_GetPriority(IRQn_Type IRQn)
\r
883 if ((int32_t)(IRQn) >= 0)
\r
885 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
\r
889 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
\r
895 \brief Set Interrupt Vector
\r
896 \details Sets an interrupt vector in SRAM based interrupt vector table.
\r
897 The interrupt number can be positive to specify a device specific interrupt,
\r
898 or negative to specify a processor exception.
\r
899 VTOR must been relocated to SRAM before.
\r
900 \param [in] IRQn Interrupt number
\r
901 \param [in] vector Address of interrupt handler function
\r
903 __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector)
\r
905 uint32_t *vectors = (uint32_t *)SCB->VTOR;
\r
906 vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector;
\r
911 \brief Get Interrupt Vector
\r
912 \details Reads an interrupt vector from interrupt vector table.
\r
913 The interrupt number can be positive to specify a device specific interrupt,
\r
914 or negative to specify a processor exception.
\r
915 \param [in] IRQn Interrupt number.
\r
916 \return Address of interrupt handler function
\r
918 __STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn)
\r
920 uint32_t *vectors = (uint32_t *)SCB->VTOR;
\r
921 return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET];
\r
926 \brief System Reset
\r
927 \details Initiates a system reset request to reset the MCU.
\r
929 __NO_RETURN __STATIC_INLINE void __NVIC_SystemReset(void)
\r
931 __DSB(); /* Ensure all outstanding memory accesses included
\r
932 buffered write are completed before reset */
\r
933 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
\r
934 SCB_AIRCR_SYSRESETREQ_Msk);
\r
935 __DSB(); /* Ensure completion of memory access */
\r
937 for(;;) /* wait until reset */
\r
943 /*@} end of CMSIS_Core_NVICFunctions */
\r
946 /* ########################## FPU functions #################################### */
\r
948 \ingroup CMSIS_Core_FunctionInterface
\r
949 \defgroup CMSIS_Core_FpuFunctions FPU Functions
\r
950 \brief Function that provides FPU type.
\r
955 \brief get FPU type
\r
956 \details returns the FPU type
\r
959 - \b 1: Single precision FPU
\r
960 - \b 2: Double + Single precision FPU
\r
962 __STATIC_INLINE uint32_t SCB_GetFPUType(void)
\r
964 return 0U; /* No FPU */
\r
968 /*@} end of CMSIS_Core_FpuFunctions */
\r
972 /* ################################## SysTick function ############################################ */
\r
974 \ingroup CMSIS_Core_FunctionInterface
\r
975 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
\r
976 \brief Functions that configure the System.
\r
980 #if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U)
\r
983 \brief System Tick Configuration
\r
984 \details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
\r
985 Counter is in free running mode to generate periodic interrupts.
\r
986 \param [in] ticks Number of ticks between two interrupts.
\r
987 \return 0 Function succeeded.
\r
988 \return 1 Function failed.
\r
989 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
\r
990 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
\r
991 must contain a vendor-specific implementation of this function.
\r
993 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
\r
995 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
\r
997 return (1UL); /* Reload value impossible */
\r
1000 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
\r
1001 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
\r
1002 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
\r
1003 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
\r
1004 SysTick_CTRL_TICKINT_Msk |
\r
1005 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
\r
1006 return (0UL); /* Function successful */
\r
1011 /*@} end of CMSIS_Core_SysTickFunctions */
\r
1016 #ifdef __cplusplus
\r
1020 #endif /* __CORE_SC000_H_DEPENDANT */
\r
1022 #endif /* __CMSIS_GENERIC */
\r