Drivers/CMSIS/Include/core_sc000.h (47249B)
1 /**************************************************************************//** 2 * @file core_sc000.h 3 * @brief CMSIS SC000 Core Peripheral Access Layer Header File 4 * @version V5.0.5 5 * @date 28. May 2018 6 ******************************************************************************/ 7 /* 8 * Copyright (c) 2009-2018 Arm Limited. All rights reserved. 9 * 10 * SPDX-License-Identifier: Apache-2.0 11 * 12 * Licensed under the Apache License, Version 2.0 (the License); you may 13 * not use this file except in compliance with the License. 14 * You may obtain a copy of the License at 15 * 16 * www.apache.org/licenses/LICENSE-2.0 17 * 18 * Unless required by applicable law or agreed to in writing, software 19 * distributed under the License is distributed on an AS IS BASIS, WITHOUT 20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 21 * See the License for the specific language governing permissions and 22 * limitations under the License. 23 */ 24 25 #if defined ( __ICCARM__ ) 26 #pragma system_include /* treat file as system include file for MISRA check */ 27 #elif defined (__clang__) 28 #pragma clang system_header /* treat file as system include file */ 29 #endif 30 31 #ifndef __CORE_SC000_H_GENERIC 32 #define __CORE_SC000_H_GENERIC 33 34 #include <stdint.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 /** 41 \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions 42 CMSIS violates the following MISRA-C:2004 rules: 43 44 \li Required Rule 8.5, object/function definition in header file.<br> 45 Function definitions in header files are used to allow 'inlining'. 46 47 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br> 48 Unions are used for effective representation of core registers. 49 50 \li Advisory Rule 19.7, Function-like macro defined.<br> 51 Function-like macros are used to allow more efficient code. 52 */ 53 54 55 /******************************************************************************* 56 * CMSIS definitions 57 ******************************************************************************/ 58 /** 59 \ingroup SC000 60 @{ 61 */ 62 63 #include "cmsis_version.h" 64 65 /* CMSIS SC000 definitions */ 66 #define __SC000_CMSIS_VERSION_MAIN (__CM_CMSIS_VERSION_MAIN) /*!< \deprecated [31:16] CMSIS HAL main version */ 67 #define __SC000_CMSIS_VERSION_SUB (__CM_CMSIS_VERSION_SUB) /*!< \deprecated [15:0] CMSIS HAL sub version */ 68 #define __SC000_CMSIS_VERSION ((__SC000_CMSIS_VERSION_MAIN << 16U) | \ 69 __SC000_CMSIS_VERSION_SUB ) /*!< \deprecated CMSIS HAL version number */ 70 71 #define __CORTEX_SC (000U) /*!< Cortex secure core */ 72 73 /** __FPU_USED indicates whether an FPU is used or not. 74 This core does not support an FPU at all 75 */ 76 #define __FPU_USED 0U 77 78 #if defined ( __CC_ARM ) 79 #if defined __TARGET_FPU_VFP 80 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" 81 #endif 82 83 #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) 84 #if defined __ARM_PCS_VFP 85 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" 86 #endif 87 88 #elif defined ( __GNUC__ ) 89 #if defined (__VFP_FP__) && !defined(__SOFTFP__) 90 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" 91 #endif 92 93 #elif defined ( __ICCARM__ ) 94 #if defined __ARMVFP__ 95 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" 96 #endif 97 98 #elif defined ( __TI_ARM__ ) 99 #if defined __TI_VFP_SUPPORT__ 100 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" 101 #endif 102 103 #elif defined ( __TASKING__ ) 104 #if defined __FPU_VFP__ 105 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" 106 #endif 107 108 #elif defined ( __CSMC__ ) 109 #if ( __CSMC__ & 0x400U) 110 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" 111 #endif 112 113 #endif 114 115 #include "cmsis_compiler.h" /* CMSIS compiler specific defines */ 116 117 118 #ifdef __cplusplus 119 } 120 #endif 121 122 #endif /* __CORE_SC000_H_GENERIC */ 123 124 #ifndef __CMSIS_GENERIC 125 126 #ifndef __CORE_SC000_H_DEPENDANT 127 #define __CORE_SC000_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 __SC000_REV 136 #define __SC000_REV 0x0000U 137 #warning "__SC000_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 __NVIC_PRIO_BITS 146 #define __NVIC_PRIO_BITS 2U 147 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!" 148 #endif 149 150 #ifndef __Vendor_SysTickConfig 151 #define __Vendor_SysTickConfig 0U 152 #warning "__Vendor_SysTickConfig not defined in device header file; using default!" 153 #endif 154 #endif 155 156 /* IO definitions (access restrictions to peripheral registers) */ 157 /** 158 \defgroup CMSIS_glob_defs CMSIS Global Defines 159 160 <strong>IO Type Qualifiers</strong> are used 161 \li to specify the access to peripheral variables. 162 \li for automatic generation of peripheral register debug information. 163 */ 164 #ifdef __cplusplus 165 #define __I volatile /*!< Defines 'read only' permissions */ 166 #else 167 #define __I volatile const /*!< Defines 'read only' permissions */ 168 #endif 169 #define __O volatile /*!< Defines 'write only' permissions */ 170 #define __IO volatile /*!< Defines 'read / write' permissions */ 171 172 /* following defines should be used for structure members */ 173 #define __IM volatile const /*! Defines 'read only' structure member permissions */ 174 #define __OM volatile /*! Defines 'write only' structure member permissions */ 175 #define __IOM volatile /*! Defines 'read / write' structure member permissions */ 176 177 /*@} end of group SC000 */ 178 179 180 181 /******************************************************************************* 182 * Register Abstraction 183 Core Register contain: 184 - Core Register 185 - Core NVIC Register 186 - Core SCB Register 187 - Core SysTick Register 188 - Core MPU Register 189 ******************************************************************************/ 190 /** 191 \defgroup CMSIS_core_register Defines and Type Definitions 192 \brief Type definitions and defines for Cortex-M processor based devices. 193 */ 194 195 /** 196 \ingroup CMSIS_core_register 197 \defgroup CMSIS_CORE Status and Control Registers 198 \brief Core Register type definitions. 199 @{ 200 */ 201 202 /** 203 \brief Union type to access the Application Program Status Register (APSR). 204 */ 205 typedef union 206 { 207 struct 208 { 209 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */ 210 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ 211 uint32_t C:1; /*!< bit: 29 Carry condition code flag */ 212 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ 213 uint32_t N:1; /*!< bit: 31 Negative condition code flag */ 214 } b; /*!< Structure used for bit access */ 215 uint32_t w; /*!< Type used for word access */ 216 } APSR_Type; 217 218 /* APSR Register Definitions */ 219 #define APSR_N_Pos 31U /*!< APSR: N Position */ 220 #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */ 221 222 #define APSR_Z_Pos 30U /*!< APSR: Z Position */ 223 #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */ 224 225 #define APSR_C_Pos 29U /*!< APSR: C Position */ 226 #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */ 227 228 #define APSR_V_Pos 28U /*!< APSR: V Position */ 229 #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */ 230 231 232 /** 233 \brief Union type to access the Interrupt Program Status Register (IPSR). 234 */ 235 typedef union 236 { 237 struct 238 { 239 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ 240 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */ 241 } b; /*!< Structure used for bit access */ 242 uint32_t w; /*!< Type used for word access */ 243 } IPSR_Type; 244 245 /* IPSR Register Definitions */ 246 #define IPSR_ISR_Pos 0U /*!< IPSR: ISR Position */ 247 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */ 248 249 250 /** 251 \brief Union type to access the Special-Purpose Program Status Registers (xPSR). 252 */ 253 typedef union 254 { 255 struct 256 { 257 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ 258 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */ 259 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */ 260 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */ 261 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ 262 uint32_t C:1; /*!< bit: 29 Carry condition code flag */ 263 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ 264 uint32_t N:1; /*!< bit: 31 Negative condition code flag */ 265 } b; /*!< Structure used for bit access */ 266 uint32_t w; /*!< Type used for word access */ 267 } xPSR_Type; 268 269 /* xPSR Register Definitions */ 270 #define xPSR_N_Pos 31U /*!< xPSR: N Position */ 271 #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */ 272 273 #define xPSR_Z_Pos 30U /*!< xPSR: Z Position */ 274 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */ 275 276 #define xPSR_C_Pos 29U /*!< xPSR: C Position */ 277 #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */ 278 279 #define xPSR_V_Pos 28U /*!< xPSR: V Position */ 280 #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */ 281 282 #define xPSR_T_Pos 24U /*!< xPSR: T Position */ 283 #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */ 284 285 #define xPSR_ISR_Pos 0U /*!< xPSR: ISR Position */ 286 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */ 287 288 289 /** 290 \brief Union type to access the Control Registers (CONTROL). 291 */ 292 typedef union 293 { 294 struct 295 { 296 uint32_t _reserved0:1; /*!< bit: 0 Reserved */ 297 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */ 298 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */ 299 } b; /*!< Structure used for bit access */ 300 uint32_t w; /*!< Type used for word access */ 301 } CONTROL_Type; 302 303 /* CONTROL Register Definitions */ 304 #define CONTROL_SPSEL_Pos 1U /*!< CONTROL: SPSEL Position */ 305 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */ 306 307 /*@} end of group CMSIS_CORE */ 308 309 310 /** 311 \ingroup CMSIS_core_register 312 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC) 313 \brief Type definitions for the NVIC Registers 314 @{ 315 */ 316 317 /** 318 \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC). 319 */ 320 typedef struct 321 { 322 __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ 323 uint32_t RESERVED0[31U]; 324 __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ 325 uint32_t RSERVED1[31U]; 326 __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ 327 uint32_t RESERVED2[31U]; 328 __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ 329 uint32_t RESERVED3[31U]; 330 uint32_t RESERVED4[64U]; 331 __IOM uint32_t IP[8U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */ 332 } NVIC_Type; 333 334 /*@} end of group CMSIS_NVIC */ 335 336 337 /** 338 \ingroup CMSIS_core_register 339 \defgroup CMSIS_SCB System Control Block (SCB) 340 \brief Type definitions for the System Control Block Registers 341 @{ 342 */ 343 344 /** 345 \brief Structure type to access the System Control Block (SCB). 346 */ 347 typedef struct 348 { 349 __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */ 350 __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */ 351 __IOM uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */ 352 __IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */ 353 __IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */ 354 __IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */ 355 uint32_t RESERVED0[1U]; 356 __IOM uint32_t SHP[2U]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */ 357 __IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */ 358 uint32_t RESERVED1[154U]; 359 __IOM uint32_t SFCR; /*!< Offset: 0x290 (R/W) Security Features Control Register */ 360 } SCB_Type; 361 362 /* SCB CPUID Register Definitions */ 363 #define SCB_CPUID_IMPLEMENTER_Pos 24U /*!< SCB CPUID: IMPLEMENTER Position */ 364 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */ 365 366 #define SCB_CPUID_VARIANT_Pos 20U /*!< SCB CPUID: VARIANT Position */ 367 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */ 368 369 #define SCB_CPUID_ARCHITECTURE_Pos 16U /*!< SCB CPUID: ARCHITECTURE Position */ 370 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */ 371 372 #define SCB_CPUID_PARTNO_Pos 4U /*!< SCB CPUID: PARTNO Position */ 373 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */ 374 375 #define SCB_CPUID_REVISION_Pos 0U /*!< SCB CPUID: REVISION Position */ 376 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */ 377 378 /* SCB Interrupt Control State Register Definitions */ 379 #define SCB_ICSR_NMIPENDSET_Pos 31U /*!< SCB ICSR: NMIPENDSET Position */ 380 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */ 381 382 #define SCB_ICSR_PENDSVSET_Pos 28U /*!< SCB ICSR: PENDSVSET Position */ 383 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */ 384 385 #define SCB_ICSR_PENDSVCLR_Pos 27U /*!< SCB ICSR: PENDSVCLR Position */ 386 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */ 387 388 #define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */ 389 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */ 390 391 #define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */ 392 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */ 393 394 #define SCB_ICSR_ISRPREEMPT_Pos 23U /*!< SCB ICSR: ISRPREEMPT Position */ 395 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */ 396 397 #define SCB_ICSR_ISRPENDING_Pos 22U /*!< SCB ICSR: ISRPENDING Position */ 398 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */ 399 400 #define SCB_ICSR_VECTPENDING_Pos 12U /*!< SCB ICSR: VECTPENDING Position */ 401 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */ 402 403 #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */ 404 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */ 405 406 /* SCB Interrupt Control State Register Definitions */ 407 #define SCB_VTOR_TBLOFF_Pos 7U /*!< SCB VTOR: TBLOFF Position */ 408 #define SCB_VTOR_TBLOFF_Msk (0x1FFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */ 409 410 /* SCB Application Interrupt and Reset Control Register Definitions */ 411 #define SCB_AIRCR_VECTKEY_Pos 16U /*!< SCB AIRCR: VECTKEY Position */ 412 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */ 413 414 #define SCB_AIRCR_VECTKEYSTAT_Pos 16U /*!< SCB AIRCR: VECTKEYSTAT Position */ 415 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */ 416 417 #define SCB_AIRCR_ENDIANESS_Pos 15U /*!< SCB AIRCR: ENDIANESS Position */ 418 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */ 419 420 #define SCB_AIRCR_SYSRESETREQ_Pos 2U /*!< SCB AIRCR: SYSRESETREQ Position */ 421 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */ 422 423 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U /*!< SCB AIRCR: VECTCLRACTIVE Position */ 424 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */ 425 426 /* SCB System Control Register Definitions */ 427 #define SCB_SCR_SEVONPEND_Pos 4U /*!< SCB SCR: SEVONPEND Position */ 428 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */ 429 430 #define SCB_SCR_SLEEPDEEP_Pos 2U /*!< SCB SCR: SLEEPDEEP Position */ 431 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */ 432 433 #define SCB_SCR_SLEEPONEXIT_Pos 1U /*!< SCB SCR: SLEEPONEXIT Position */ 434 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */ 435 436 /* SCB Configuration Control Register Definitions */ 437 #define SCB_CCR_STKALIGN_Pos 9U /*!< SCB CCR: STKALIGN Position */ 438 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */ 439 440 #define SCB_CCR_UNALIGN_TRP_Pos 3U /*!< SCB CCR: UNALIGN_TRP Position */ 441 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */ 442 443 /* SCB System Handler Control and State Register Definitions */ 444 #define SCB_SHCSR_SVCALLPENDED_Pos 15U /*!< SCB SHCSR: SVCALLPENDED Position */ 445 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */ 446 447 /*@} end of group CMSIS_SCB */ 448 449 450 /** 451 \ingroup CMSIS_core_register 452 \defgroup CMSIS_SCnSCB System Controls not in SCB (SCnSCB) 453 \brief Type definitions for the System Control and ID Register not in the SCB 454 @{ 455 */ 456 457 /** 458 \brief Structure type to access the System Control and ID Register not in the SCB. 459 */ 460 typedef struct 461 { 462 uint32_t RESERVED0[2U]; 463 __IOM uint32_t ACTLR; /*!< Offset: 0x008 (R/W) Auxiliary Control Register */ 464 } SCnSCB_Type; 465 466 /* Auxiliary Control Register Definitions */ 467 #define SCnSCB_ACTLR_DISMCYCINT_Pos 0U /*!< ACTLR: DISMCYCINT Position */ 468 #define SCnSCB_ACTLR_DISMCYCINT_Msk (1UL /*<< SCnSCB_ACTLR_DISMCYCINT_Pos*/) /*!< ACTLR: DISMCYCINT Mask */ 469 470 /*@} end of group CMSIS_SCnotSCB */ 471 472 473 /** 474 \ingroup CMSIS_core_register 475 \defgroup CMSIS_SysTick System Tick Timer (SysTick) 476 \brief Type definitions for the System Timer Registers. 477 @{ 478 */ 479 480 /** 481 \brief Structure type to access the System Timer (SysTick). 482 */ 483 typedef struct 484 { 485 __IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */ 486 __IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */ 487 __IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */ 488 __IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */ 489 } SysTick_Type; 490 491 /* SysTick Control / Status Register Definitions */ 492 #define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */ 493 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ 494 495 #define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */ 496 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */ 497 498 #define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */ 499 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */ 500 501 #define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */ 502 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */ 503 504 /* SysTick Reload Register Definitions */ 505 #define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */ 506 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */ 507 508 /* SysTick Current Register Definitions */ 509 #define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */ 510 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */ 511 512 /* SysTick Calibration Register Definitions */ 513 #define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */ 514 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */ 515 516 #define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */ 517 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */ 518 519 #define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */ 520 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */ 521 522 /*@} end of group CMSIS_SysTick */ 523 524 #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U) 525 /** 526 \ingroup CMSIS_core_register 527 \defgroup CMSIS_MPU Memory Protection Unit (MPU) 528 \brief Type definitions for the Memory Protection Unit (MPU) 529 @{ 530 */ 531 532 /** 533 \brief Structure type to access the Memory Protection Unit (MPU). 534 */ 535 typedef struct 536 { 537 __IM uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */ 538 __IOM uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */ 539 __IOM uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */ 540 __IOM uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */ 541 __IOM uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */ 542 } MPU_Type; 543 544 /* MPU Type Register Definitions */ 545 #define MPU_TYPE_IREGION_Pos 16U /*!< MPU TYPE: IREGION Position */ 546 #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */ 547 548 #define MPU_TYPE_DREGION_Pos 8U /*!< MPU TYPE: DREGION Position */ 549 #define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */ 550 551 #define MPU_TYPE_SEPARATE_Pos 0U /*!< MPU TYPE: SEPARATE Position */ 552 #define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/) /*!< MPU TYPE: SEPARATE Mask */ 553 554 /* MPU Control Register Definitions */ 555 #define MPU_CTRL_PRIVDEFENA_Pos 2U /*!< MPU CTRL: PRIVDEFENA Position */ 556 #define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */ 557 558 #define MPU_CTRL_HFNMIENA_Pos 1U /*!< MPU CTRL: HFNMIENA Position */ 559 #define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */ 560 561 #define MPU_CTRL_ENABLE_Pos 0U /*!< MPU CTRL: ENABLE Position */ 562 #define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/) /*!< MPU CTRL: ENABLE Mask */ 563 564 /* MPU Region Number Register Definitions */ 565 #define MPU_RNR_REGION_Pos 0U /*!< MPU RNR: REGION Position */ 566 #define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/) /*!< MPU RNR: REGION Mask */ 567 568 /* MPU Region Base Address Register Definitions */ 569 #define MPU_RBAR_ADDR_Pos 8U /*!< MPU RBAR: ADDR Position */ 570 #define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */ 571 572 #define MPU_RBAR_VALID_Pos 4U /*!< MPU RBAR: VALID Position */ 573 #define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */ 574 575 #define MPU_RBAR_REGION_Pos 0U /*!< MPU RBAR: REGION Position */ 576 #define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/) /*!< MPU RBAR: REGION Mask */ 577 578 /* MPU Region Attribute and Size Register Definitions */ 579 #define MPU_RASR_ATTRS_Pos 16U /*!< MPU RASR: MPU Region Attribute field Position */ 580 #define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */ 581 582 #define MPU_RASR_XN_Pos 28U /*!< MPU RASR: ATTRS.XN Position */ 583 #define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */ 584 585 #define MPU_RASR_AP_Pos 24U /*!< MPU RASR: ATTRS.AP Position */ 586 #define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */ 587 588 #define MPU_RASR_TEX_Pos 19U /*!< MPU RASR: ATTRS.TEX Position */ 589 #define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */ 590 591 #define MPU_RASR_S_Pos 18U /*!< MPU RASR: ATTRS.S Position */ 592 #define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */ 593 594 #define MPU_RASR_C_Pos 17U /*!< MPU RASR: ATTRS.C Position */ 595 #define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */ 596 597 #define MPU_RASR_B_Pos 16U /*!< MPU RASR: ATTRS.B Position */ 598 #define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */ 599 600 #define MPU_RASR_SRD_Pos 8U /*!< MPU RASR: Sub-Region Disable Position */ 601 #define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */ 602 603 #define MPU_RASR_SIZE_Pos 1U /*!< MPU RASR: Region Size Field Position */ 604 #define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */ 605 606 #define MPU_RASR_ENABLE_Pos 0U /*!< MPU RASR: Region enable bit Position */ 607 #define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/) /*!< MPU RASR: Region enable bit Disable Mask */ 608 609 /*@} end of group CMSIS_MPU */ 610 #endif 611 612 613 /** 614 \ingroup CMSIS_core_register 615 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug) 616 \brief SC000 Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor. 617 Therefore they are not covered by the SC000 header file. 618 @{ 619 */ 620 /*@} end of group CMSIS_CoreDebug */ 621 622 623 /** 624 \ingroup CMSIS_core_register 625 \defgroup CMSIS_core_bitfield Core register bit field macros 626 \brief Macros for use with bit field definitions (xxx_Pos, xxx_Msk). 627 @{ 628 */ 629 630 /** 631 \brief Mask and shift a bit field value for use in a register bit range. 632 \param[in] field Name of the register bit field. 633 \param[in] value Value of the bit field. This parameter is interpreted as an uint32_t type. 634 \return Masked and shifted value. 635 */ 636 #define _VAL2FLD(field, value) (((uint32_t)(value) << field ## _Pos) & field ## _Msk) 637 638 /** 639 \brief Mask and shift a register value to extract a bit filed value. 640 \param[in] field Name of the register bit field. 641 \param[in] value Value of register. This parameter is interpreted as an uint32_t type. 642 \return Masked and shifted bit field value. 643 */ 644 #define _FLD2VAL(field, value) (((uint32_t)(value) & field ## _Msk) >> field ## _Pos) 645 646 /*@} end of group CMSIS_core_bitfield */ 647 648 649 /** 650 \ingroup CMSIS_core_register 651 \defgroup CMSIS_core_base Core Definitions 652 \brief Definitions for base addresses, unions, and structures. 653 @{ 654 */ 655 656 /* Memory mapping of Core Hardware */ 657 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */ 658 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */ 659 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */ 660 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */ 661 662 #define SCnSCB ((SCnSCB_Type *) SCS_BASE ) /*!< System control Register not in SCB */ 663 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */ 664 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */ 665 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */ 666 667 #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1U) 668 #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */ 669 #define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */ 670 #endif 671 672 /*@} */ 673 674 675 676 /******************************************************************************* 677 * Hardware Abstraction Layer 678 Core Function Interface contains: 679 - Core NVIC Functions 680 - Core SysTick Functions 681 - Core Register Access Functions 682 ******************************************************************************/ 683 /** 684 \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference 685 */ 686 687 688 689 /* ########################## NVIC functions #################################### */ 690 /** 691 \ingroup CMSIS_Core_FunctionInterface 692 \defgroup CMSIS_Core_NVICFunctions NVIC Functions 693 \brief Functions that manage interrupts and exceptions via the NVIC. 694 @{ 695 */ 696 697 #ifdef CMSIS_NVIC_VIRTUAL 698 #ifndef CMSIS_NVIC_VIRTUAL_HEADER_FILE 699 #define CMSIS_NVIC_VIRTUAL_HEADER_FILE "cmsis_nvic_virtual.h" 700 #endif 701 #include CMSIS_NVIC_VIRTUAL_HEADER_FILE 702 #else 703 /*#define NVIC_SetPriorityGrouping __NVIC_SetPriorityGrouping not available for SC000 */ 704 /*#define NVIC_GetPriorityGrouping __NVIC_GetPriorityGrouping not available for SC000 */ 705 #define NVIC_EnableIRQ __NVIC_EnableIRQ 706 #define NVIC_GetEnableIRQ __NVIC_GetEnableIRQ 707 #define NVIC_DisableIRQ __NVIC_DisableIRQ 708 #define NVIC_GetPendingIRQ __NVIC_GetPendingIRQ 709 #define NVIC_SetPendingIRQ __NVIC_SetPendingIRQ 710 #define NVIC_ClearPendingIRQ __NVIC_ClearPendingIRQ 711 /*#define NVIC_GetActive __NVIC_GetActive not available for SC000 */ 712 #define NVIC_SetPriority __NVIC_SetPriority 713 #define NVIC_GetPriority __NVIC_GetPriority 714 #define NVIC_SystemReset __NVIC_SystemReset 715 #endif /* CMSIS_NVIC_VIRTUAL */ 716 717 #ifdef CMSIS_VECTAB_VIRTUAL 718 #ifndef CMSIS_VECTAB_VIRTUAL_HEADER_FILE 719 #define CMSIS_VECTAB_VIRTUAL_HEADER_FILE "cmsis_vectab_virtual.h" 720 #endif 721 #include CMSIS_VECTAB_VIRTUAL_HEADER_FILE 722 #else 723 #define NVIC_SetVector __NVIC_SetVector 724 #define NVIC_GetVector __NVIC_GetVector 725 #endif /* (CMSIS_VECTAB_VIRTUAL) */ 726 727 #define NVIC_USER_IRQ_OFFSET 16 728 729 730 /* The following EXC_RETURN values are saved the LR on exception entry */ 731 #define EXC_RETURN_HANDLER (0xFFFFFFF1UL) /* return to Handler mode, uses MSP after return */ 732 #define EXC_RETURN_THREAD_MSP (0xFFFFFFF9UL) /* return to Thread mode, uses MSP after return */ 733 #define EXC_RETURN_THREAD_PSP (0xFFFFFFFDUL) /* return to Thread mode, uses PSP after return */ 734 735 736 /* Interrupt Priorities are WORD accessible only under Armv6-M */ 737 /* The following MACROS handle generation of the register offset and byte masks */ 738 #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL) 739 #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) ) 740 #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) ) 741 742 743 /** 744 \brief Enable Interrupt 745 \details Enables a device specific interrupt in the NVIC interrupt controller. 746 \param [in] IRQn Device specific interrupt number. 747 \note IRQn must not be negative. 748 */ 749 __STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn) 750 { 751 if ((int32_t)(IRQn) >= 0) 752 { 753 NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); 754 } 755 } 756 757 758 /** 759 \brief Get Interrupt Enable status 760 \details Returns a device specific interrupt enable status from the NVIC interrupt controller. 761 \param [in] IRQn Device specific interrupt number. 762 \return 0 Interrupt is not enabled. 763 \return 1 Interrupt is enabled. 764 \note IRQn must not be negative. 765 */ 766 __STATIC_INLINE uint32_t __NVIC_GetEnableIRQ(IRQn_Type IRQn) 767 { 768 if ((int32_t)(IRQn) >= 0) 769 { 770 return((uint32_t)(((NVIC->ISER[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL)); 771 } 772 else 773 { 774 return(0U); 775 } 776 } 777 778 779 /** 780 \brief Disable Interrupt 781 \details Disables a device specific interrupt in the NVIC interrupt controller. 782 \param [in] IRQn Device specific interrupt number. 783 \note IRQn must not be negative. 784 */ 785 __STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn) 786 { 787 if ((int32_t)(IRQn) >= 0) 788 { 789 NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); 790 __DSB(); 791 __ISB(); 792 } 793 } 794 795 796 /** 797 \brief Get Pending Interrupt 798 \details Reads the NVIC pending register and returns the pending bit for the specified device specific interrupt. 799 \param [in] IRQn Device specific interrupt number. 800 \return 0 Interrupt status is not pending. 801 \return 1 Interrupt status is pending. 802 \note IRQn must not be negative. 803 */ 804 __STATIC_INLINE uint32_t __NVIC_GetPendingIRQ(IRQn_Type IRQn) 805 { 806 if ((int32_t)(IRQn) >= 0) 807 { 808 return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL)); 809 } 810 else 811 { 812 return(0U); 813 } 814 } 815 816 817 /** 818 \brief Set Pending Interrupt 819 \details Sets the pending bit of a device specific interrupt in the NVIC pending register. 820 \param [in] IRQn Device specific interrupt number. 821 \note IRQn must not be negative. 822 */ 823 __STATIC_INLINE void __NVIC_SetPendingIRQ(IRQn_Type IRQn) 824 { 825 if ((int32_t)(IRQn) >= 0) 826 { 827 NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); 828 } 829 } 830 831 832 /** 833 \brief Clear Pending Interrupt 834 \details Clears the pending bit of a device specific interrupt in the NVIC pending register. 835 \param [in] IRQn Device specific interrupt number. 836 \note IRQn must not be negative. 837 */ 838 __STATIC_INLINE void __NVIC_ClearPendingIRQ(IRQn_Type IRQn) 839 { 840 if ((int32_t)(IRQn) >= 0) 841 { 842 NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); 843 } 844 } 845 846 847 /** 848 \brief Set Interrupt Priority 849 \details Sets the priority of a device specific interrupt or a processor exception. 850 The interrupt number can be positive to specify a device specific interrupt, 851 or negative to specify a processor exception. 852 \param [in] IRQn Interrupt number. 853 \param [in] priority Priority to set. 854 \note The priority cannot be set for every processor exception. 855 */ 856 __STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) 857 { 858 if ((int32_t)(IRQn) >= 0) 859 { 860 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 861 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); 862 } 863 else 864 { 865 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | 866 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); 867 } 868 } 869 870 871 /** 872 \brief Get Interrupt Priority 873 \details Reads the priority of a device specific interrupt or a processor exception. 874 The interrupt number can be positive to specify a device specific interrupt, 875 or negative to specify a processor exception. 876 \param [in] IRQn Interrupt number. 877 \return Interrupt Priority. 878 Value is aligned automatically to the implemented priority bits of the microcontroller. 879 */ 880 __STATIC_INLINE uint32_t __NVIC_GetPriority(IRQn_Type IRQn) 881 { 882 883 if ((int32_t)(IRQn) >= 0) 884 { 885 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS))); 886 } 887 else 888 { 889 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS))); 890 } 891 } 892 893 894 /** 895 \brief Set Interrupt Vector 896 \details Sets an interrupt vector in SRAM based interrupt vector table. 897 The interrupt number can be positive to specify a device specific interrupt, 898 or negative to specify a processor exception. 899 VTOR must been relocated to SRAM before. 900 \param [in] IRQn Interrupt number 901 \param [in] vector Address of interrupt handler function 902 */ 903 __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) 904 { 905 uint32_t *vectors = (uint32_t *)SCB->VTOR; 906 vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector; 907 } 908 909 910 /** 911 \brief Get Interrupt Vector 912 \details Reads an interrupt vector from interrupt vector table. 913 The interrupt number can be positive to specify a device specific interrupt, 914 or negative to specify a processor exception. 915 \param [in] IRQn Interrupt number. 916 \return Address of interrupt handler function 917 */ 918 __STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn) 919 { 920 uint32_t *vectors = (uint32_t *)SCB->VTOR; 921 return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET]; 922 } 923 924 925 /** 926 \brief System Reset 927 \details Initiates a system reset request to reset the MCU. 928 */ 929 __NO_RETURN __STATIC_INLINE void __NVIC_SystemReset(void) 930 { 931 __DSB(); /* Ensure all outstanding memory accesses included 932 buffered write are completed before reset */ 933 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) | 934 SCB_AIRCR_SYSRESETREQ_Msk); 935 __DSB(); /* Ensure completion of memory access */ 936 937 for(;;) /* wait until reset */ 938 { 939 __NOP(); 940 } 941 } 942 943 /*@} end of CMSIS_Core_NVICFunctions */ 944 945 946 /* ########################## FPU functions #################################### */ 947 /** 948 \ingroup CMSIS_Core_FunctionInterface 949 \defgroup CMSIS_Core_FpuFunctions FPU Functions 950 \brief Function that provides FPU type. 951 @{ 952 */ 953 954 /** 955 \brief get FPU type 956 \details returns the FPU type 957 \returns 958 - \b 0: No FPU 959 - \b 1: Single precision FPU 960 - \b 2: Double + Single precision FPU 961 */ 962 __STATIC_INLINE uint32_t SCB_GetFPUType(void) 963 { 964 return 0U; /* No FPU */ 965 } 966 967 968 /*@} end of CMSIS_Core_FpuFunctions */ 969 970 971 972 /* ################################## SysTick function ############################################ */ 973 /** 974 \ingroup CMSIS_Core_FunctionInterface 975 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions 976 \brief Functions that configure the System. 977 @{ 978 */ 979 980 #if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U) 981 982 /** 983 \brief System Tick Configuration 984 \details Initializes the System Timer and its interrupt, and starts the System Tick Timer. 985 Counter is in free running mode to generate periodic interrupts. 986 \param [in] ticks Number of ticks between two interrupts. 987 \return 0 Function succeeded. 988 \return 1 Function failed. 989 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the 990 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b> 991 must contain a vendor-specific implementation of this function. 992 */ 993 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks) 994 { 995 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) 996 { 997 return (1UL); /* Reload value impossible */ 998 } 999 1000 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */ 1001 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */ 1002 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ 1003 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | 1004 SysTick_CTRL_TICKINT_Msk | 1005 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ 1006 return (0UL); /* Function successful */ 1007 } 1008 1009 #endif 1010 1011 /*@} end of CMSIS_Core_SysTickFunctions */ 1012 1013 1014 1015 1016 #ifdef __cplusplus 1017 } 1018 #endif 1019 1020 #endif /* __CORE_SC000_H_DEPENDANT */ 1021 1022 #endif /* __CMSIS_GENERIC */
