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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 | /**************************************************************************//** * @file core_cm0plus.h * @brief CMSIS Cortex-M0+ Core Peripheral Access Layer Header File * @version V4.30 * @date 20. October 2015 ******************************************************************************/ /* Copyright (c) 2009 - 2015 ARM LIMITED All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of ARM nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ---------------------------------------------------------------------------*/ #if defined ( __ICCARM__ ) #pragma system_include /* treat file as system include file for MISRA check */ #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) #pragma clang system_header /* treat file as system include file */ #endif #ifndef __CORE_CM0PLUS_H_GENERIC #define __CORE_CM0PLUS_H_GENERIC #include <stdint.h> #ifdef __cplusplus extern "C" { #endif /** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions CMSIS violates the following MISRA-C:2004 rules: \li Required Rule 8.5, object/function definition in header file.<br> Function definitions in header files are used to allow 'inlining'. \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br> Unions are used for effective representation of core registers. \li Advisory Rule 19.7, Function-like macro defined.<br> Function-like macros are used to allow more efficient code. */ /******************************************************************************* * CMSIS definitions ******************************************************************************/ /** \ingroup Cortex-M0+ @{ */ /* CMSIS CM0+ definitions */ #define __CM0PLUS_CMSIS_VERSION_MAIN (0x04U) /*!< [31:16] CMSIS HAL main version */ #define __CM0PLUS_CMSIS_VERSION_SUB (0x1EU) /*!< [15:0] CMSIS HAL sub version */ #define __CM0PLUS_CMSIS_VERSION ((__CM0PLUS_CMSIS_VERSION_MAIN << 16U) | \ __CM0PLUS_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */ #define __CORTEX_M (0x00U) /*!< Cortex-M Core */ #if defined ( __CC_ARM ) #define __ASM __asm /*!< asm keyword for ARM Compiler */ #define __INLINE __inline /*!< inline keyword for ARM Compiler */ #define __STATIC_INLINE static __inline #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) #define __ASM __asm /*!< asm keyword for ARM Compiler */ #define __INLINE __inline /*!< inline keyword for ARM Compiler */ #define __STATIC_INLINE static __inline #elif defined ( __GNUC__ ) #define __ASM __asm /*!< asm keyword for GNU Compiler */ #define __INLINE inline /*!< inline keyword for GNU Compiler */ #define __STATIC_INLINE static inline #elif defined ( __ICCARM__ ) #define __ASM __asm /*!< asm keyword for IAR Compiler */ #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */ #define __STATIC_INLINE static inline #elif defined ( __TMS470__ ) #define __ASM __asm /*!< asm keyword for TI CCS Compiler */ #define __STATIC_INLINE static inline #elif defined ( __TASKING__ ) #define __ASM __asm /*!< asm keyword for TASKING Compiler */ #define __INLINE inline /*!< inline keyword for TASKING Compiler */ #define __STATIC_INLINE static inline #elif defined ( __CSMC__ ) #define __packed #define __ASM _asm /*!< asm keyword for COSMIC Compiler */ #define __INLINE inline /*!< inline keyword for COSMIC Compiler. Use -pc99 on compile line */ #define __STATIC_INLINE static inline #else #error Unknown compiler #endif /** __FPU_USED indicates whether an FPU is used or not. This core does not support an FPU at all */ #define __FPU_USED 0U #if defined ( __CC_ARM ) #if defined __TARGET_FPU_VFP #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" #endif #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) #if defined __ARM_PCS_VFP #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" #endif #elif defined ( __GNUC__ ) #if defined (__VFP_FP__) && !defined(__SOFTFP__) #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" #endif #elif defined ( __ICCARM__ ) #if defined __ARMVFP__ #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" #endif #elif defined ( __TMS470__ ) #if defined __TI_VFP_SUPPORT__ #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" #endif #elif defined ( __TASKING__ ) #if defined __FPU_VFP__ #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" #endif #elif defined ( __CSMC__ ) #if ( __CSMC__ & 0x400U) #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" #endif #endif #include "core_cmInstr.h" /* Core Instruction Access */ #include "core_cmFunc.h" /* Core Function Access */ #ifdef __cplusplus } #endif #endif /* __CORE_CM0PLUS_H_GENERIC */ #ifndef __CMSIS_GENERIC #ifndef __CORE_CM0PLUS_H_DEPENDANT #define __CORE_CM0PLUS_H_DEPENDANT #ifdef __cplusplus extern "C" { #endif /* check device defines and use defaults */ #if defined __CHECK_DEVICE_DEFINES #ifndef __CM0PLUS_REV #define __CM0PLUS_REV 0x0000U #warning "__CM0PLUS_REV not defined in device header file; using default!" #endif #ifndef __MPU_PRESENT #define __MPU_PRESENT 0U #warning "__MPU_PRESENT not defined in device header file; using default!" #endif #ifndef __VTOR_PRESENT #define __VTOR_PRESENT 0U #warning "__VTOR_PRESENT not defined in device header file; using default!" #endif #ifndef __NVIC_PRIO_BITS #define __NVIC_PRIO_BITS 2U #warning "__NVIC_PRIO_BITS not defined in device header file; using default!" #endif #ifndef __Vendor_SysTickConfig #define __Vendor_SysTickConfig 0U #warning "__Vendor_SysTickConfig not defined in device header file; using default!" #endif #endif /* IO definitions (access restrictions to peripheral registers) */ /** \defgroup CMSIS_glob_defs CMSIS Global Defines <strong>IO Type Qualifiers</strong> are used \li to specify the access to peripheral variables. \li for automatic generation of peripheral register debug information. */ #ifdef __cplusplus #define __I volatile /*!< Defines 'read only' permissions */ #else #define __I volatile const /*!< Defines 'read only' permissions */ #endif #define __O volatile /*!< Defines 'write only' permissions */ #define __IO volatile /*!< Defines 'read / write' permissions */ /* following defines should be used for structure members */ #define __IM volatile const /*! Defines 'read only' structure member permissions */ #define __OM volatile /*! Defines 'write only' structure member permissions */ #define __IOM volatile /*! Defines 'read / write' structure member permissions */ /*@} end of group Cortex-M0+ */ /******************************************************************************* * Register Abstraction Core Register contain: - Core Register - Core NVIC Register - Core SCB Register - Core SysTick Register - Core MPU Register ******************************************************************************/ /** \defgroup CMSIS_core_register Defines and Type Definitions \brief Type definitions and defines for Cortex-M processor based devices. */ /** \ingroup CMSIS_core_register \defgroup CMSIS_CORE Status and Control Registers \brief Core Register type definitions. @{ */ /** \brief Union type to access the Application Program Status Register (APSR). */ typedef union { struct { uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */ uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ uint32_t C:1; /*!< bit: 29 Carry condition code flag */ uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ uint32_t N:1; /*!< bit: 31 Negative condition code flag */ } b; /*!< Structure used for bit access */ uint32_t w; /*!< Type used for word access */ } APSR_Type; /* APSR Register Definitions */ #define APSR_N_Pos 31U /*!< APSR: N Position */ #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */ #define APSR_Z_Pos 30U /*!< APSR: Z Position */ #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */ #define APSR_C_Pos 29U /*!< APSR: C Position */ #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */ #define APSR_V_Pos 28U /*!< APSR: V Position */ #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */ /** \brief Union type to access the Interrupt Program Status Register (IPSR). */ typedef union { struct { uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */ } b; /*!< Structure used for bit access */ uint32_t w; /*!< Type used for word access */ } IPSR_Type; /* IPSR Register Definitions */ #define IPSR_ISR_Pos 0U /*!< IPSR: ISR Position */ #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */ /** \brief Union type to access the Special-Purpose Program Status Registers (xPSR). */ typedef union { struct { uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */ uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */ uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */ uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ uint32_t C:1; /*!< bit: 29 Carry condition code flag */ uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ uint32_t N:1; /*!< bit: 31 Negative condition code flag */ } b; /*!< Structure used for bit access */ uint32_t w; /*!< Type used for word access */ } xPSR_Type; /* xPSR Register Definitions */ #define xPSR_N_Pos 31U /*!< xPSR: N Position */ #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */ #define xPSR_Z_Pos 30U /*!< xPSR: Z Position */ #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */ #define xPSR_C_Pos 29U /*!< xPSR: C Position */ #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */ #define xPSR_V_Pos 28U /*!< xPSR: V Position */ #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */ #define xPSR_T_Pos 24U /*!< xPSR: T Position */ #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */ #define xPSR_ISR_Pos 0U /*!< xPSR: ISR Position */ #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */ /** \brief Union type to access the Control Registers (CONTROL). */ typedef union { struct { uint32_t nPRIV:1; /*!< bit: 0 Execution privilege in Thread mode */ uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */ uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */ } b; /*!< Structure used for bit access */ uint32_t w; /*!< Type used for word access */ } CONTROL_Type; /* CONTROL Register Definitions */ #define CONTROL_SPSEL_Pos 1U /*!< CONTROL: SPSEL Position */ #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */ #define CONTROL_nPRIV_Pos 0U /*!< CONTROL: nPRIV Position */ #define CONTROL_nPRIV_Msk (1UL /*<< CONTROL_nPRIV_Pos*/) /*!< CONTROL: nPRIV Mask */ /*@} end of group CMSIS_CORE */ /** \ingroup CMSIS_core_register \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC) \brief Type definitions for the NVIC Registers @{ */ /** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC). */ typedef struct { __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ uint32_t RESERVED0[31U]; __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ uint32_t RSERVED1[31U]; __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ uint32_t RESERVED2[31U]; __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ uint32_t RESERVED3[31U]; uint32_t RESERVED4[64U]; __IOM uint32_t IP[8U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */ } NVIC_Type; /*@} end of group CMSIS_NVIC */ /** \ingroup CMSIS_core_register \defgroup CMSIS_SCB System Control Block (SCB) \brief Type definitions for the System Control Block Registers @{ */ /** \brief Structure type to access the System Control Block (SCB). */ typedef struct { __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */ __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */ #if (__VTOR_PRESENT == 1U) __IOM uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */ #else uint32_t RESERVED0; #endif __IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */ __IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */ __IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */ uint32_t RESERVED1; __IOM uint32_t SHP[2U]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */ __IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */ } SCB_Type; /* SCB CPUID Register Definitions */ #define SCB_CPUID_IMPLEMENTER_Pos 24U /*!< SCB CPUID: IMPLEMENTER Position */ #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */ #define SCB_CPUID_VARIANT_Pos 20U /*!< SCB CPUID: VARIANT Position */ #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */ #define SCB_CPUID_ARCHITECTURE_Pos 16U /*!< SCB CPUID: ARCHITECTURE Position */ #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */ #define SCB_CPUID_PARTNO_Pos 4U /*!< SCB CPUID: PARTNO Position */ #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */ #define SCB_CPUID_REVISION_Pos 0U /*!< SCB CPUID: REVISION Position */ #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */ /* SCB Interrupt Control State Register Definitions */ #define SCB_ICSR_NMIPENDSET_Pos 31U /*!< SCB ICSR: NMIPENDSET Position */ #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */ #define SCB_ICSR_PENDSVSET_Pos 28U /*!< SCB ICSR: PENDSVSET Position */ #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */ #define SCB_ICSR_PENDSVCLR_Pos 27U /*!< SCB ICSR: PENDSVCLR Position */ #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */ #define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */ #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */ #define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */ #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */ #define SCB_ICSR_ISRPREEMPT_Pos 23U /*!< SCB ICSR: ISRPREEMPT Position */ #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */ #define SCB_ICSR_ISRPENDING_Pos 22U /*!< SCB ICSR: ISRPENDING Position */ #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */ #define SCB_ICSR_VECTPENDING_Pos 12U /*!< SCB ICSR: VECTPENDING Position */ #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */ #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */ #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */ #if (__VTOR_PRESENT == 1U) /* SCB Interrupt Control State Register Definitions */ #define SCB_VTOR_TBLOFF_Pos 8U /*!< SCB VTOR: TBLOFF Position */ #define SCB_VTOR_TBLOFF_Msk (0xFFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */ #endif /* SCB Application Interrupt and Reset Control Register Definitions */ #define SCB_AIRCR_VECTKEY_Pos 16U /*!< SCB AIRCR: VECTKEY Position */ #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */ #define SCB_AIRCR_VECTKEYSTAT_Pos 16U /*!< SCB AIRCR: VECTKEYSTAT Position */ #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */ #define SCB_AIRCR_ENDIANESS_Pos 15U /*!< SCB AIRCR: ENDIANESS Position */ #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */ #define SCB_AIRCR_SYSRESETREQ_Pos 2U /*!< SCB AIRCR: SYSRESETREQ Position */ #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */ #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U /*!< SCB AIRCR: VECTCLRACTIVE Position */ #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */ /* SCB System Control Register Definitions */ #define SCB_SCR_SEVONPEND_Pos 4U /*!< SCB SCR: SEVONPEND Position */ #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */ #define SCB_SCR_SLEEPDEEP_Pos 2U /*!< SCB SCR: SLEEPDEEP Position */ #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */ #define SCB_SCR_SLEEPONEXIT_Pos 1U /*!< SCB SCR: SLEEPONEXIT Position */ #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */ /* SCB Configuration Control Register Definitions */ #define SCB_CCR_STKALIGN_Pos 9U /*!< SCB CCR: STKALIGN Position */ #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */ #define SCB_CCR_UNALIGN_TRP_Pos 3U /*!< SCB CCR: UNALIGN_TRP Position */ #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */ /* SCB System Handler Control and State Register Definitions */ #define SCB_SHCSR_SVCALLPENDED_Pos 15U /*!< SCB SHCSR: SVCALLPENDED Position */ #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */ /*@} end of group CMSIS_SCB */ /** \ingroup CMSIS_core_register \defgroup CMSIS_SysTick System Tick Timer (SysTick) \brief Type definitions for the System Timer Registers. @{ */ /** \brief Structure type to access the System Timer (SysTick). */ typedef struct { __IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */ __IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */ __IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */ __IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */ } SysTick_Type; /* SysTick Control / Status Register Definitions */ #define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */ #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ #define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */ #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */ #define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */ #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */ #define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */ #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */ /* SysTick Reload Register Definitions */ #define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */ #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */ /* SysTick Current Register Definitions */ #define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */ #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */ /* SysTick Calibration Register Definitions */ #define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */ #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */ #define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */ #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */ #define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */ #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */ /*@} end of group CMSIS_SysTick */ #if (__MPU_PRESENT == 1U) /** \ingroup CMSIS_core_register \defgroup CMSIS_MPU Memory Protection Unit (MPU) \brief Type definitions for the Memory Protection Unit (MPU) @{ */ /** \brief Structure type to access the Memory Protection Unit (MPU). */ typedef struct { __IM uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */ __IOM uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */ __IOM uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */ __IOM uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */ __IOM uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */ } MPU_Type; /* MPU Type Register Definitions */ #define MPU_TYPE_IREGION_Pos 16U /*!< MPU TYPE: IREGION Position */ #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */ #define MPU_TYPE_DREGION_Pos 8U /*!< MPU TYPE: DREGION Position */ #define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */ #define MPU_TYPE_SEPARATE_Pos 0U /*!< MPU TYPE: SEPARATE Position */ #define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/) /*!< MPU TYPE: SEPARATE Mask */ /* MPU Control Register Definitions */ #define MPU_CTRL_PRIVDEFENA_Pos 2U /*!< MPU CTRL: PRIVDEFENA Position */ #define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */ #define MPU_CTRL_HFNMIENA_Pos 1U /*!< MPU CTRL: HFNMIENA Position */ #define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */ #define MPU_CTRL_ENABLE_Pos 0U /*!< MPU CTRL: ENABLE Position */ #define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/) /*!< MPU CTRL: ENABLE Mask */ /* MPU Region Number Register Definitions */ #define MPU_RNR_REGION_Pos 0U /*!< MPU RNR: REGION Position */ #define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/) /*!< MPU RNR: REGION Mask */ /* MPU Region Base Address Register Definitions */ #define MPU_RBAR_ADDR_Pos 8U /*!< MPU RBAR: ADDR Position */ #define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */ #define MPU_RBAR_VALID_Pos 4U /*!< MPU RBAR: VALID Position */ #define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */ #define MPU_RBAR_REGION_Pos 0U /*!< MPU RBAR: REGION Position */ #define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/) /*!< MPU RBAR: REGION Mask */ /* MPU Region Attribute and Size Register Definitions */ #define MPU_RASR_ATTRS_Pos 16U /*!< MPU RASR: MPU Region Attribute field Position */ #define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */ #define MPU_RASR_XN_Pos 28U /*!< MPU RASR: ATTRS.XN Position */ #define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */ #define MPU_RASR_AP_Pos 24U /*!< MPU RASR: ATTRS.AP Position */ #define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */ #define MPU_RASR_TEX_Pos 19U /*!< MPU RASR: ATTRS.TEX Position */ #define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */ #define MPU_RASR_S_Pos 18U /*!< MPU RASR: ATTRS.S Position */ #define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */ #define MPU_RASR_C_Pos 17U /*!< MPU RASR: ATTRS.C Position */ #define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */ #define MPU_RASR_B_Pos 16U /*!< MPU RASR: ATTRS.B Position */ #define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */ #define MPU_RASR_SRD_Pos 8U /*!< MPU RASR: Sub-Region Disable Position */ #define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */ #define MPU_RASR_SIZE_Pos 1U /*!< MPU RASR: Region Size Field Position */ #define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */ #define MPU_RASR_ENABLE_Pos 0U /*!< MPU RASR: Region enable bit Position */ #define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/) /*!< MPU RASR: Region enable bit Disable Mask */ /*@} end of group CMSIS_MPU */ #endif /** \ingroup CMSIS_core_register \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug) \brief Cortex-M0+ Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor. Therefore they are not covered by the Cortex-M0+ header file. @{ */ /*@} end of group CMSIS_CoreDebug */ /** \ingroup CMSIS_core_register \defgroup CMSIS_core_bitfield Core register bit field macros \brief Macros for use with bit field definitions (xxx_Pos, xxx_Msk). @{ */ /** \brief Mask and shift a bit field value for use in a register bit range. \param[in] field Name of the register bit field. \param[in] value Value of the bit field. \return Masked and shifted value. */ #define _VAL2FLD(field, value) ((value << field ## _Pos) & field ## _Msk) /** \brief Mask and shift a register value to extract a bit filed value. \param[in] field Name of the register bit field. \param[in] value Value of register. \return Masked and shifted bit field value. */ #define _FLD2VAL(field, value) ((value & field ## _Msk) >> field ## _Pos) /*@} end of group CMSIS_core_bitfield */ /** \ingroup CMSIS_core_register \defgroup CMSIS_core_base Core Definitions \brief Definitions for base addresses, unions, and structures. @{ */ /* Memory mapping of Cortex-M0+ Hardware */ #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */ #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */ #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */ #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */ #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */ #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */ #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */ #if (__MPU_PRESENT == 1U) #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */ #define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */ #endif /*@} */ /******************************************************************************* * Hardware Abstraction Layer Core Function Interface contains: - Core NVIC Functions - Core SysTick Functions - Core Register Access Functions ******************************************************************************/ /** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference */ /* ########################## NVIC functions #################################### */ /** \ingroup CMSIS_Core_FunctionInterface \defgroup CMSIS_Core_NVICFunctions NVIC Functions \brief Functions that manage interrupts and exceptions via the NVIC. @{ */ /* Interrupt Priorities are WORD accessible only under ARMv6M */ /* The following MACROS handle generation of the register offset and byte masks */ #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL) #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) ) #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) ) /** \brief Enable External Interrupt \details Enables a device-specific interrupt in the NVIC interrupt controller. \param [in] IRQn External interrupt number. Value cannot be negative. */ __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn) { NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); } /** \brief Disable External Interrupt \details Disables a device-specific interrupt in the NVIC interrupt controller. \param [in] IRQn External interrupt number. Value cannot be negative. */ __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn) { NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); } /** \brief Get Pending Interrupt \details Reads the pending register in the NVIC and returns the pending bit for the specified interrupt. \param [in] IRQn Interrupt number. \return 0 Interrupt status is not pending. \return 1 Interrupt status is pending. */ __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn) { return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL)); } /** \brief Set Pending Interrupt \details Sets the pending bit of an external interrupt. \param [in] IRQn Interrupt number. Value cannot be negative. */ __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn) { NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); } /** \brief Clear Pending Interrupt \details Clears the pending bit of an external interrupt. \param [in] IRQn External interrupt number. Value cannot be negative. */ __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn) { NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); } /** \brief Set Interrupt Priority \details Sets the priority of an interrupt. \note The priority cannot be set for every core interrupt. \param [in] IRQn Interrupt number. \param [in] priority Priority to set. */ __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) { if ((int32_t)(IRQn) < 0) { SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); } else { NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); } } /** \brief Get Interrupt Priority \details Reads the priority of an interrupt. The interrupt number can be positive to specify an external (device specific) interrupt, or negative to specify an internal (core) interrupt. \param [in] IRQn Interrupt number. \return Interrupt Priority. Value is aligned automatically to the implemented priority bits of the microcontroller. */ __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn) { if ((int32_t)(IRQn) < 0) { return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS))); } else { return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS))); } } /** \brief System Reset \details Initiates a system reset request to reset the MCU. */ __STATIC_INLINE void NVIC_SystemReset(void) { __DSB(); /* Ensure all outstanding memory accesses included buffered write are completed before reset */ SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) | SCB_AIRCR_SYSRESETREQ_Msk); __DSB(); /* Ensure completion of memory access */ for(;;) /* wait until reset */ { __NOP(); } } /*@} end of CMSIS_Core_NVICFunctions */ /* ################################## SysTick function ############################################ */ /** \ingroup CMSIS_Core_FunctionInterface \defgroup CMSIS_Core_SysTickFunctions SysTick Functions \brief Functions that configure the System. @{ */ #if (__Vendor_SysTickConfig == 0U) /** \brief System Tick Configuration \details Initializes the System Timer and its interrupt, and starts the System Tick Timer. Counter is in free running mode to generate periodic interrupts. \param [in] ticks Number of ticks between two interrupts. \return 0 Function succeeded. \return 1 Function failed. \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b> must contain a vendor-specific implementation of this function. */ __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks) { if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) { return (1UL); /* Reload value impossible */ } SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */ NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */ SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ return (0UL); /* Function successful */ } #endif /*@} end of CMSIS_Core_SysTickFunctions */ #ifdef __cplusplus } #endif #endif /* __CORE_CM0PLUS_H_DEPENDANT */ #endif /* __CMSIS_GENERIC */ |