Mercurial > pub > halpp
comparison l476rg/Drivers/CMSIS/Include/core_cm0plus.h @ 0:32a3b1785697
a rough draft of Hardware Abstraction Layer for C++
STM32L476RG drivers
| author | cin |
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| date | Thu, 12 Jan 2017 02:45:43 +0300 |
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| -1:000000000000 | 0:32a3b1785697 |
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| 1 /**************************************************************************//** | |
| 2 * @file core_cm0plus.h | |
| 3 * @brief CMSIS Cortex-M0+ Core Peripheral Access Layer Header File | |
| 4 * @version V4.30 | |
| 5 * @date 20. October 2015 | |
| 6 ******************************************************************************/ | |
| 7 /* Copyright (c) 2009 - 2015 ARM LIMITED | |
| 8 | |
| 9 All rights reserved. | |
| 10 Redistribution and use in source and binary forms, with or without | |
| 11 modification, are permitted provided that the following conditions are met: | |
| 12 - Redistributions of source code must retain the above copyright | |
| 13 notice, this list of conditions and the following disclaimer. | |
| 14 - Redistributions in binary form must reproduce the above copyright | |
| 15 notice, this list of conditions and the following disclaimer in the | |
| 16 documentation and/or other materials provided with the distribution. | |
| 17 - Neither the name of ARM nor the names of its contributors may be used | |
| 18 to endorse or promote products derived from this software without | |
| 19 specific prior written permission. | |
| 20 * | |
| 21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE | |
| 25 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 26 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 27 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 28 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 29 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 30 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 31 POSSIBILITY OF SUCH DAMAGE. | |
| 32 ---------------------------------------------------------------------------*/ | |
| 33 | |
| 34 | |
| 35 #if defined ( __ICCARM__ ) | |
| 36 #pragma system_include /* treat file as system include file for MISRA check */ | |
| 37 #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) | |
| 38 #pragma clang system_header /* treat file as system include file */ | |
| 39 #endif | |
| 40 | |
| 41 #ifndef __CORE_CM0PLUS_H_GENERIC | |
| 42 #define __CORE_CM0PLUS_H_GENERIC | |
| 43 | |
| 44 #include <stdint.h> | |
| 45 | |
| 46 #ifdef __cplusplus | |
| 47 extern "C" { | |
| 48 #endif | |
| 49 | |
| 50 /** | |
| 51 \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions | |
| 52 CMSIS violates the following MISRA-C:2004 rules: | |
| 53 | |
| 54 \li Required Rule 8.5, object/function definition in header file.<br> | |
| 55 Function definitions in header files are used to allow 'inlining'. | |
| 56 | |
| 57 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br> | |
| 58 Unions are used for effective representation of core registers. | |
| 59 | |
| 60 \li Advisory Rule 19.7, Function-like macro defined.<br> | |
| 61 Function-like macros are used to allow more efficient code. | |
| 62 */ | |
| 63 | |
| 64 | |
| 65 /******************************************************************************* | |
| 66 * CMSIS definitions | |
| 67 ******************************************************************************/ | |
| 68 /** | |
| 69 \ingroup Cortex-M0+ | |
| 70 @{ | |
| 71 */ | |
| 72 | |
| 73 /* CMSIS CM0+ definitions */ | |
| 74 #define __CM0PLUS_CMSIS_VERSION_MAIN (0x04U) /*!< [31:16] CMSIS HAL main version */ | |
| 75 #define __CM0PLUS_CMSIS_VERSION_SUB (0x1EU) /*!< [15:0] CMSIS HAL sub version */ | |
| 76 #define __CM0PLUS_CMSIS_VERSION ((__CM0PLUS_CMSIS_VERSION_MAIN << 16U) | \ | |
| 77 __CM0PLUS_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */ | |
| 78 | |
| 79 #define __CORTEX_M (0x00U) /*!< Cortex-M Core */ | |
| 80 | |
| 81 | |
| 82 #if defined ( __CC_ARM ) | |
| 83 #define __ASM __asm /*!< asm keyword for ARM Compiler */ | |
| 84 #define __INLINE __inline /*!< inline keyword for ARM Compiler */ | |
| 85 #define __STATIC_INLINE static __inline | |
| 86 | |
| 87 #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) | |
| 88 #define __ASM __asm /*!< asm keyword for ARM Compiler */ | |
| 89 #define __INLINE __inline /*!< inline keyword for ARM Compiler */ | |
| 90 #define __STATIC_INLINE static __inline | |
| 91 | |
| 92 #elif defined ( __GNUC__ ) | |
| 93 #define __ASM __asm /*!< asm keyword for GNU Compiler */ | |
| 94 #define __INLINE inline /*!< inline keyword for GNU Compiler */ | |
| 95 #define __STATIC_INLINE static inline | |
| 96 | |
| 97 #elif defined ( __ICCARM__ ) | |
| 98 #define __ASM __asm /*!< asm keyword for IAR Compiler */ | |
| 99 #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */ | |
| 100 #define __STATIC_INLINE static inline | |
| 101 | |
| 102 #elif defined ( __TMS470__ ) | |
| 103 #define __ASM __asm /*!< asm keyword for TI CCS Compiler */ | |
| 104 #define __STATIC_INLINE static inline | |
| 105 | |
| 106 #elif defined ( __TASKING__ ) | |
| 107 #define __ASM __asm /*!< asm keyword for TASKING Compiler */ | |
| 108 #define __INLINE inline /*!< inline keyword for TASKING Compiler */ | |
| 109 #define __STATIC_INLINE static inline | |
| 110 | |
| 111 #elif defined ( __CSMC__ ) | |
| 112 #define __packed | |
| 113 #define __ASM _asm /*!< asm keyword for COSMIC Compiler */ | |
| 114 #define __INLINE inline /*!< inline keyword for COSMIC Compiler. Use -pc99 on compile line */ | |
| 115 #define __STATIC_INLINE static inline | |
| 116 | |
| 117 #else | |
| 118 #error Unknown compiler | |
| 119 #endif | |
| 120 | |
| 121 /** __FPU_USED indicates whether an FPU is used or not. | |
| 122 This core does not support an FPU at all | |
| 123 */ | |
| 124 #define __FPU_USED 0U | |
| 125 | |
| 126 #if defined ( __CC_ARM ) | |
| 127 #if defined __TARGET_FPU_VFP | |
| 128 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" | |
| 129 #endif | |
| 130 | |
| 131 #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) | |
| 132 #if defined __ARM_PCS_VFP | |
| 133 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" | |
| 134 #endif | |
| 135 | |
| 136 #elif defined ( __GNUC__ ) | |
| 137 #if defined (__VFP_FP__) && !defined(__SOFTFP__) | |
| 138 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" | |
| 139 #endif | |
| 140 | |
| 141 #elif defined ( __ICCARM__ ) | |
| 142 #if defined __ARMVFP__ | |
| 143 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" | |
| 144 #endif | |
| 145 | |
| 146 #elif defined ( __TMS470__ ) | |
| 147 #if defined __TI_VFP_SUPPORT__ | |
| 148 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" | |
| 149 #endif | |
| 150 | |
| 151 #elif defined ( __TASKING__ ) | |
| 152 #if defined __FPU_VFP__ | |
| 153 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" | |
| 154 #endif | |
| 155 | |
| 156 #elif defined ( __CSMC__ ) | |
| 157 #if ( __CSMC__ & 0x400U) | |
| 158 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" | |
| 159 #endif | |
| 160 | |
| 161 #endif | |
| 162 | |
| 163 #include "core_cmInstr.h" /* Core Instruction Access */ | |
| 164 #include "core_cmFunc.h" /* Core Function Access */ | |
| 165 | |
| 166 #ifdef __cplusplus | |
| 167 } | |
| 168 #endif | |
| 169 | |
| 170 #endif /* __CORE_CM0PLUS_H_GENERIC */ | |
| 171 | |
| 172 #ifndef __CMSIS_GENERIC | |
| 173 | |
| 174 #ifndef __CORE_CM0PLUS_H_DEPENDANT | |
| 175 #define __CORE_CM0PLUS_H_DEPENDANT | |
| 176 | |
| 177 #ifdef __cplusplus | |
| 178 extern "C" { | |
| 179 #endif | |
| 180 | |
| 181 /* check device defines and use defaults */ | |
| 182 #if defined __CHECK_DEVICE_DEFINES | |
| 183 #ifndef __CM0PLUS_REV | |
| 184 #define __CM0PLUS_REV 0x0000U | |
| 185 #warning "__CM0PLUS_REV not defined in device header file; using default!" | |
| 186 #endif | |
| 187 | |
| 188 #ifndef __MPU_PRESENT | |
| 189 #define __MPU_PRESENT 0U | |
| 190 #warning "__MPU_PRESENT not defined in device header file; using default!" | |
| 191 #endif | |
| 192 | |
| 193 #ifndef __VTOR_PRESENT | |
| 194 #define __VTOR_PRESENT 0U | |
| 195 #warning "__VTOR_PRESENT not defined in device header file; using default!" | |
| 196 #endif | |
| 197 | |
| 198 #ifndef __NVIC_PRIO_BITS | |
| 199 #define __NVIC_PRIO_BITS 2U | |
| 200 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!" | |
| 201 #endif | |
| 202 | |
| 203 #ifndef __Vendor_SysTickConfig | |
| 204 #define __Vendor_SysTickConfig 0U | |
| 205 #warning "__Vendor_SysTickConfig not defined in device header file; using default!" | |
| 206 #endif | |
| 207 #endif | |
| 208 | |
| 209 /* IO definitions (access restrictions to peripheral registers) */ | |
| 210 /** | |
| 211 \defgroup CMSIS_glob_defs CMSIS Global Defines | |
| 212 | |
| 213 <strong>IO Type Qualifiers</strong> are used | |
| 214 \li to specify the access to peripheral variables. | |
| 215 \li for automatic generation of peripheral register debug information. | |
| 216 */ | |
| 217 #ifdef __cplusplus | |
| 218 #define __I volatile /*!< Defines 'read only' permissions */ | |
| 219 #else | |
| 220 #define __I volatile const /*!< Defines 'read only' permissions */ | |
| 221 #endif | |
| 222 #define __O volatile /*!< Defines 'write only' permissions */ | |
| 223 #define __IO volatile /*!< Defines 'read / write' permissions */ | |
| 224 | |
| 225 /* following defines should be used for structure members */ | |
| 226 #define __IM volatile const /*! Defines 'read only' structure member permissions */ | |
| 227 #define __OM volatile /*! Defines 'write only' structure member permissions */ | |
| 228 #define __IOM volatile /*! Defines 'read / write' structure member permissions */ | |
| 229 | |
| 230 /*@} end of group Cortex-M0+ */ | |
| 231 | |
| 232 | |
| 233 | |
| 234 /******************************************************************************* | |
| 235 * Register Abstraction | |
| 236 Core Register contain: | |
| 237 - Core Register | |
| 238 - Core NVIC Register | |
| 239 - Core SCB Register | |
| 240 - Core SysTick Register | |
| 241 - Core MPU Register | |
| 242 ******************************************************************************/ | |
| 243 /** | |
| 244 \defgroup CMSIS_core_register Defines and Type Definitions | |
| 245 \brief Type definitions and defines for Cortex-M processor based devices. | |
| 246 */ | |
| 247 | |
| 248 /** | |
| 249 \ingroup CMSIS_core_register | |
| 250 \defgroup CMSIS_CORE Status and Control Registers | |
| 251 \brief Core Register type definitions. | |
| 252 @{ | |
| 253 */ | |
| 254 | |
| 255 /** | |
| 256 \brief Union type to access the Application Program Status Register (APSR). | |
| 257 */ | |
| 258 typedef union | |
| 259 { | |
| 260 struct | |
| 261 { | |
| 262 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */ | |
| 263 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ | |
| 264 uint32_t C:1; /*!< bit: 29 Carry condition code flag */ | |
| 265 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ | |
| 266 uint32_t N:1; /*!< bit: 31 Negative condition code flag */ | |
| 267 } b; /*!< Structure used for bit access */ | |
| 268 uint32_t w; /*!< Type used for word access */ | |
| 269 } APSR_Type; | |
| 270 | |
| 271 /* APSR Register Definitions */ | |
| 272 #define APSR_N_Pos 31U /*!< APSR: N Position */ | |
| 273 #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */ | |
| 274 | |
| 275 #define APSR_Z_Pos 30U /*!< APSR: Z Position */ | |
| 276 #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */ | |
| 277 | |
| 278 #define APSR_C_Pos 29U /*!< APSR: C Position */ | |
| 279 #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */ | |
| 280 | |
| 281 #define APSR_V_Pos 28U /*!< APSR: V Position */ | |
| 282 #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */ | |
| 283 | |
| 284 | |
| 285 /** | |
| 286 \brief Union type to access the Interrupt Program Status Register (IPSR). | |
| 287 */ | |
| 288 typedef union | |
| 289 { | |
| 290 struct | |
| 291 { | |
| 292 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ | |
| 293 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */ | |
| 294 } b; /*!< Structure used for bit access */ | |
| 295 uint32_t w; /*!< Type used for word access */ | |
| 296 } IPSR_Type; | |
| 297 | |
| 298 /* IPSR Register Definitions */ | |
| 299 #define IPSR_ISR_Pos 0U /*!< IPSR: ISR Position */ | |
| 300 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */ | |
| 301 | |
| 302 | |
| 303 /** | |
| 304 \brief Union type to access the Special-Purpose Program Status Registers (xPSR). | |
| 305 */ | |
| 306 typedef union | |
| 307 { | |
| 308 struct | |
| 309 { | |
| 310 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ | |
| 311 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */ | |
| 312 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */ | |
| 313 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */ | |
| 314 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ | |
| 315 uint32_t C:1; /*!< bit: 29 Carry condition code flag */ | |
| 316 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ | |
| 317 uint32_t N:1; /*!< bit: 31 Negative condition code flag */ | |
| 318 } b; /*!< Structure used for bit access */ | |
| 319 uint32_t w; /*!< Type used for word access */ | |
| 320 } xPSR_Type; | |
| 321 | |
| 322 /* xPSR Register Definitions */ | |
| 323 #define xPSR_N_Pos 31U /*!< xPSR: N Position */ | |
| 324 #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */ | |
| 325 | |
| 326 #define xPSR_Z_Pos 30U /*!< xPSR: Z Position */ | |
| 327 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */ | |
| 328 | |
| 329 #define xPSR_C_Pos 29U /*!< xPSR: C Position */ | |
| 330 #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */ | |
| 331 | |
| 332 #define xPSR_V_Pos 28U /*!< xPSR: V Position */ | |
| 333 #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */ | |
| 334 | |
| 335 #define xPSR_T_Pos 24U /*!< xPSR: T Position */ | |
| 336 #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */ | |
| 337 | |
| 338 #define xPSR_ISR_Pos 0U /*!< xPSR: ISR Position */ | |
| 339 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */ | |
| 340 | |
| 341 | |
| 342 /** | |
| 343 \brief Union type to access the Control Registers (CONTROL). | |
| 344 */ | |
| 345 typedef union | |
| 346 { | |
| 347 struct | |
| 348 { | |
| 349 uint32_t nPRIV:1; /*!< bit: 0 Execution privilege in Thread mode */ | |
| 350 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */ | |
| 351 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */ | |
| 352 } b; /*!< Structure used for bit access */ | |
| 353 uint32_t w; /*!< Type used for word access */ | |
| 354 } CONTROL_Type; | |
| 355 | |
| 356 /* CONTROL Register Definitions */ | |
| 357 #define CONTROL_SPSEL_Pos 1U /*!< CONTROL: SPSEL Position */ | |
| 358 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */ | |
| 359 | |
| 360 #define CONTROL_nPRIV_Pos 0U /*!< CONTROL: nPRIV Position */ | |
| 361 #define CONTROL_nPRIV_Msk (1UL /*<< CONTROL_nPRIV_Pos*/) /*!< CONTROL: nPRIV Mask */ | |
| 362 | |
| 363 /*@} end of group CMSIS_CORE */ | |
| 364 | |
| 365 | |
| 366 /** | |
| 367 \ingroup CMSIS_core_register | |
| 368 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC) | |
| 369 \brief Type definitions for the NVIC Registers | |
| 370 @{ | |
| 371 */ | |
| 372 | |
| 373 /** | |
| 374 \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC). | |
| 375 */ | |
| 376 typedef struct | |
| 377 { | |
| 378 __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ | |
| 379 uint32_t RESERVED0[31U]; | |
| 380 __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ | |
| 381 uint32_t RSERVED1[31U]; | |
| 382 __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ | |
| 383 uint32_t RESERVED2[31U]; | |
| 384 __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ | |
| 385 uint32_t RESERVED3[31U]; | |
| 386 uint32_t RESERVED4[64U]; | |
| 387 __IOM uint32_t IP[8U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */ | |
| 388 } NVIC_Type; | |
| 389 | |
| 390 /*@} end of group CMSIS_NVIC */ | |
| 391 | |
| 392 | |
| 393 /** | |
| 394 \ingroup CMSIS_core_register | |
| 395 \defgroup CMSIS_SCB System Control Block (SCB) | |
| 396 \brief Type definitions for the System Control Block Registers | |
| 397 @{ | |
| 398 */ | |
| 399 | |
| 400 /** | |
| 401 \brief Structure type to access the System Control Block (SCB). | |
| 402 */ | |
| 403 typedef struct | |
| 404 { | |
| 405 __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */ | |
| 406 __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */ | |
| 407 #if (__VTOR_PRESENT == 1U) | |
| 408 __IOM uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */ | |
| 409 #else | |
| 410 uint32_t RESERVED0; | |
| 411 #endif | |
| 412 __IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */ | |
| 413 __IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */ | |
| 414 __IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */ | |
| 415 uint32_t RESERVED1; | |
| 416 __IOM uint32_t SHP[2U]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */ | |
| 417 __IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */ | |
| 418 } SCB_Type; | |
| 419 | |
| 420 /* SCB CPUID Register Definitions */ | |
| 421 #define SCB_CPUID_IMPLEMENTER_Pos 24U /*!< SCB CPUID: IMPLEMENTER Position */ | |
| 422 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */ | |
| 423 | |
| 424 #define SCB_CPUID_VARIANT_Pos 20U /*!< SCB CPUID: VARIANT Position */ | |
| 425 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */ | |
| 426 | |
| 427 #define SCB_CPUID_ARCHITECTURE_Pos 16U /*!< SCB CPUID: ARCHITECTURE Position */ | |
| 428 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */ | |
| 429 | |
| 430 #define SCB_CPUID_PARTNO_Pos 4U /*!< SCB CPUID: PARTNO Position */ | |
| 431 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */ | |
| 432 | |
| 433 #define SCB_CPUID_REVISION_Pos 0U /*!< SCB CPUID: REVISION Position */ | |
| 434 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */ | |
| 435 | |
| 436 /* SCB Interrupt Control State Register Definitions */ | |
| 437 #define SCB_ICSR_NMIPENDSET_Pos 31U /*!< SCB ICSR: NMIPENDSET Position */ | |
| 438 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */ | |
| 439 | |
| 440 #define SCB_ICSR_PENDSVSET_Pos 28U /*!< SCB ICSR: PENDSVSET Position */ | |
| 441 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */ | |
| 442 | |
| 443 #define SCB_ICSR_PENDSVCLR_Pos 27U /*!< SCB ICSR: PENDSVCLR Position */ | |
| 444 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */ | |
| 445 | |
| 446 #define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */ | |
| 447 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */ | |
| 448 | |
| 449 #define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */ | |
| 450 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */ | |
| 451 | |
| 452 #define SCB_ICSR_ISRPREEMPT_Pos 23U /*!< SCB ICSR: ISRPREEMPT Position */ | |
| 453 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */ | |
| 454 | |
| 455 #define SCB_ICSR_ISRPENDING_Pos 22U /*!< SCB ICSR: ISRPENDING Position */ | |
| 456 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */ | |
| 457 | |
| 458 #define SCB_ICSR_VECTPENDING_Pos 12U /*!< SCB ICSR: VECTPENDING Position */ | |
| 459 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */ | |
| 460 | |
| 461 #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */ | |
| 462 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */ | |
| 463 | |
| 464 #if (__VTOR_PRESENT == 1U) | |
| 465 /* SCB Interrupt Control State Register Definitions */ | |
| 466 #define SCB_VTOR_TBLOFF_Pos 8U /*!< SCB VTOR: TBLOFF Position */ | |
| 467 #define SCB_VTOR_TBLOFF_Msk (0xFFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */ | |
| 468 #endif | |
| 469 | |
| 470 /* SCB Application Interrupt and Reset Control Register Definitions */ | |
| 471 #define SCB_AIRCR_VECTKEY_Pos 16U /*!< SCB AIRCR: VECTKEY Position */ | |
| 472 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */ | |
| 473 | |
| 474 #define SCB_AIRCR_VECTKEYSTAT_Pos 16U /*!< SCB AIRCR: VECTKEYSTAT Position */ | |
| 475 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */ | |
| 476 | |
| 477 #define SCB_AIRCR_ENDIANESS_Pos 15U /*!< SCB AIRCR: ENDIANESS Position */ | |
| 478 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */ | |
| 479 | |
| 480 #define SCB_AIRCR_SYSRESETREQ_Pos 2U /*!< SCB AIRCR: SYSRESETREQ Position */ | |
| 481 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */ | |
| 482 | |
| 483 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U /*!< SCB AIRCR: VECTCLRACTIVE Position */ | |
| 484 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */ | |
| 485 | |
| 486 /* SCB System Control Register Definitions */ | |
| 487 #define SCB_SCR_SEVONPEND_Pos 4U /*!< SCB SCR: SEVONPEND Position */ | |
| 488 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */ | |
| 489 | |
| 490 #define SCB_SCR_SLEEPDEEP_Pos 2U /*!< SCB SCR: SLEEPDEEP Position */ | |
| 491 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */ | |
| 492 | |
| 493 #define SCB_SCR_SLEEPONEXIT_Pos 1U /*!< SCB SCR: SLEEPONEXIT Position */ | |
| 494 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */ | |
| 495 | |
| 496 /* SCB Configuration Control Register Definitions */ | |
| 497 #define SCB_CCR_STKALIGN_Pos 9U /*!< SCB CCR: STKALIGN Position */ | |
| 498 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */ | |
| 499 | |
| 500 #define SCB_CCR_UNALIGN_TRP_Pos 3U /*!< SCB CCR: UNALIGN_TRP Position */ | |
| 501 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */ | |
| 502 | |
| 503 /* SCB System Handler Control and State Register Definitions */ | |
| 504 #define SCB_SHCSR_SVCALLPENDED_Pos 15U /*!< SCB SHCSR: SVCALLPENDED Position */ | |
| 505 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */ | |
| 506 | |
| 507 /*@} end of group CMSIS_SCB */ | |
| 508 | |
| 509 | |
| 510 /** | |
| 511 \ingroup CMSIS_core_register | |
| 512 \defgroup CMSIS_SysTick System Tick Timer (SysTick) | |
| 513 \brief Type definitions for the System Timer Registers. | |
| 514 @{ | |
| 515 */ | |
| 516 | |
| 517 /** | |
| 518 \brief Structure type to access the System Timer (SysTick). | |
| 519 */ | |
| 520 typedef struct | |
| 521 { | |
| 522 __IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */ | |
| 523 __IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */ | |
| 524 __IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */ | |
| 525 __IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */ | |
| 526 } SysTick_Type; | |
| 527 | |
| 528 /* SysTick Control / Status Register Definitions */ | |
| 529 #define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */ | |
| 530 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ | |
| 531 | |
| 532 #define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */ | |
| 533 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */ | |
| 534 | |
| 535 #define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */ | |
| 536 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */ | |
| 537 | |
| 538 #define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */ | |
| 539 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */ | |
| 540 | |
| 541 /* SysTick Reload Register Definitions */ | |
| 542 #define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */ | |
| 543 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */ | |
| 544 | |
| 545 /* SysTick Current Register Definitions */ | |
| 546 #define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */ | |
| 547 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */ | |
| 548 | |
| 549 /* SysTick Calibration Register Definitions */ | |
| 550 #define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */ | |
| 551 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */ | |
| 552 | |
| 553 #define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */ | |
| 554 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */ | |
| 555 | |
| 556 #define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */ | |
| 557 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */ | |
| 558 | |
| 559 /*@} end of group CMSIS_SysTick */ | |
| 560 | |
| 561 #if (__MPU_PRESENT == 1U) | |
| 562 /** | |
| 563 \ingroup CMSIS_core_register | |
| 564 \defgroup CMSIS_MPU Memory Protection Unit (MPU) | |
| 565 \brief Type definitions for the Memory Protection Unit (MPU) | |
| 566 @{ | |
| 567 */ | |
| 568 | |
| 569 /** | |
| 570 \brief Structure type to access the Memory Protection Unit (MPU). | |
| 571 */ | |
| 572 typedef struct | |
| 573 { | |
| 574 __IM uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */ | |
| 575 __IOM uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */ | |
| 576 __IOM uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */ | |
| 577 __IOM uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */ | |
| 578 __IOM uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */ | |
| 579 } MPU_Type; | |
| 580 | |
| 581 /* MPU Type Register Definitions */ | |
| 582 #define MPU_TYPE_IREGION_Pos 16U /*!< MPU TYPE: IREGION Position */ | |
| 583 #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */ | |
| 584 | |
| 585 #define MPU_TYPE_DREGION_Pos 8U /*!< MPU TYPE: DREGION Position */ | |
| 586 #define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */ | |
| 587 | |
| 588 #define MPU_TYPE_SEPARATE_Pos 0U /*!< MPU TYPE: SEPARATE Position */ | |
| 589 #define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/) /*!< MPU TYPE: SEPARATE Mask */ | |
| 590 | |
| 591 /* MPU Control Register Definitions */ | |
| 592 #define MPU_CTRL_PRIVDEFENA_Pos 2U /*!< MPU CTRL: PRIVDEFENA Position */ | |
| 593 #define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */ | |
| 594 | |
| 595 #define MPU_CTRL_HFNMIENA_Pos 1U /*!< MPU CTRL: HFNMIENA Position */ | |
| 596 #define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */ | |
| 597 | |
| 598 #define MPU_CTRL_ENABLE_Pos 0U /*!< MPU CTRL: ENABLE Position */ | |
| 599 #define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/) /*!< MPU CTRL: ENABLE Mask */ | |
| 600 | |
| 601 /* MPU Region Number Register Definitions */ | |
| 602 #define MPU_RNR_REGION_Pos 0U /*!< MPU RNR: REGION Position */ | |
| 603 #define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/) /*!< MPU RNR: REGION Mask */ | |
| 604 | |
| 605 /* MPU Region Base Address Register Definitions */ | |
| 606 #define MPU_RBAR_ADDR_Pos 8U /*!< MPU RBAR: ADDR Position */ | |
| 607 #define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */ | |
| 608 | |
| 609 #define MPU_RBAR_VALID_Pos 4U /*!< MPU RBAR: VALID Position */ | |
| 610 #define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */ | |
| 611 | |
| 612 #define MPU_RBAR_REGION_Pos 0U /*!< MPU RBAR: REGION Position */ | |
| 613 #define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/) /*!< MPU RBAR: REGION Mask */ | |
| 614 | |
| 615 /* MPU Region Attribute and Size Register Definitions */ | |
| 616 #define MPU_RASR_ATTRS_Pos 16U /*!< MPU RASR: MPU Region Attribute field Position */ | |
| 617 #define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */ | |
| 618 | |
| 619 #define MPU_RASR_XN_Pos 28U /*!< MPU RASR: ATTRS.XN Position */ | |
| 620 #define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */ | |
| 621 | |
| 622 #define MPU_RASR_AP_Pos 24U /*!< MPU RASR: ATTRS.AP Position */ | |
| 623 #define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */ | |
| 624 | |
| 625 #define MPU_RASR_TEX_Pos 19U /*!< MPU RASR: ATTRS.TEX Position */ | |
| 626 #define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */ | |
| 627 | |
| 628 #define MPU_RASR_S_Pos 18U /*!< MPU RASR: ATTRS.S Position */ | |
| 629 #define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */ | |
| 630 | |
| 631 #define MPU_RASR_C_Pos 17U /*!< MPU RASR: ATTRS.C Position */ | |
| 632 #define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */ | |
| 633 | |
| 634 #define MPU_RASR_B_Pos 16U /*!< MPU RASR: ATTRS.B Position */ | |
| 635 #define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */ | |
| 636 | |
| 637 #define MPU_RASR_SRD_Pos 8U /*!< MPU RASR: Sub-Region Disable Position */ | |
| 638 #define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */ | |
| 639 | |
| 640 #define MPU_RASR_SIZE_Pos 1U /*!< MPU RASR: Region Size Field Position */ | |
| 641 #define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */ | |
| 642 | |
| 643 #define MPU_RASR_ENABLE_Pos 0U /*!< MPU RASR: Region enable bit Position */ | |
| 644 #define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/) /*!< MPU RASR: Region enable bit Disable Mask */ | |
| 645 | |
| 646 /*@} end of group CMSIS_MPU */ | |
| 647 #endif | |
| 648 | |
| 649 | |
| 650 /** | |
| 651 \ingroup CMSIS_core_register | |
| 652 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug) | |
| 653 \brief Cortex-M0+ Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor. | |
| 654 Therefore they are not covered by the Cortex-M0+ header file. | |
| 655 @{ | |
| 656 */ | |
| 657 /*@} end of group CMSIS_CoreDebug */ | |
| 658 | |
| 659 | |
| 660 /** | |
| 661 \ingroup CMSIS_core_register | |
| 662 \defgroup CMSIS_core_bitfield Core register bit field macros | |
| 663 \brief Macros for use with bit field definitions (xxx_Pos, xxx_Msk). | |
| 664 @{ | |
| 665 */ | |
| 666 | |
| 667 /** | |
| 668 \brief Mask and shift a bit field value for use in a register bit range. | |
| 669 \param[in] field Name of the register bit field. | |
| 670 \param[in] value Value of the bit field. | |
| 671 \return Masked and shifted value. | |
| 672 */ | |
| 673 #define _VAL2FLD(field, value) ((value << field ## _Pos) & field ## _Msk) | |
| 674 | |
| 675 /** | |
| 676 \brief Mask and shift a register value to extract a bit filed value. | |
| 677 \param[in] field Name of the register bit field. | |
| 678 \param[in] value Value of register. | |
| 679 \return Masked and shifted bit field value. | |
| 680 */ | |
| 681 #define _FLD2VAL(field, value) ((value & field ## _Msk) >> field ## _Pos) | |
| 682 | |
| 683 /*@} end of group CMSIS_core_bitfield */ | |
| 684 | |
| 685 | |
| 686 /** | |
| 687 \ingroup CMSIS_core_register | |
| 688 \defgroup CMSIS_core_base Core Definitions | |
| 689 \brief Definitions for base addresses, unions, and structures. | |
| 690 @{ | |
| 691 */ | |
| 692 | |
| 693 /* Memory mapping of Cortex-M0+ Hardware */ | |
| 694 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */ | |
| 695 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */ | |
| 696 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */ | |
| 697 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */ | |
| 698 | |
| 699 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */ | |
| 700 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */ | |
| 701 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */ | |
| 702 | |
| 703 #if (__MPU_PRESENT == 1U) | |
| 704 #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */ | |
| 705 #define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */ | |
| 706 #endif | |
| 707 | |
| 708 /*@} */ | |
| 709 | |
| 710 | |
| 711 | |
| 712 /******************************************************************************* | |
| 713 * Hardware Abstraction Layer | |
| 714 Core Function Interface contains: | |
| 715 - Core NVIC Functions | |
| 716 - Core SysTick Functions | |
| 717 - Core Register Access Functions | |
| 718 ******************************************************************************/ | |
| 719 /** | |
| 720 \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference | |
| 721 */ | |
| 722 | |
| 723 | |
| 724 | |
| 725 /* ########################## NVIC functions #################################### */ | |
| 726 /** | |
| 727 \ingroup CMSIS_Core_FunctionInterface | |
| 728 \defgroup CMSIS_Core_NVICFunctions NVIC Functions | |
| 729 \brief Functions that manage interrupts and exceptions via the NVIC. | |
| 730 @{ | |
| 731 */ | |
| 732 | |
| 733 /* Interrupt Priorities are WORD accessible only under ARMv6M */ | |
| 734 /* The following MACROS handle generation of the register offset and byte masks */ | |
| 735 #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL) | |
| 736 #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) ) | |
| 737 #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) ) | |
| 738 | |
| 739 | |
| 740 /** | |
| 741 \brief Enable External Interrupt | |
| 742 \details Enables a device-specific interrupt in the NVIC interrupt controller. | |
| 743 \param [in] IRQn External interrupt number. Value cannot be negative. | |
| 744 */ | |
| 745 __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn) | |
| 746 { | |
| 747 NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); | |
| 748 } | |
| 749 | |
| 750 | |
| 751 /** | |
| 752 \brief Disable External Interrupt | |
| 753 \details Disables a device-specific interrupt in the NVIC interrupt controller. | |
| 754 \param [in] IRQn External interrupt number. Value cannot be negative. | |
| 755 */ | |
| 756 __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn) | |
| 757 { | |
| 758 NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); | |
| 759 } | |
| 760 | |
| 761 | |
| 762 /** | |
| 763 \brief Get Pending Interrupt | |
| 764 \details Reads the pending register in the NVIC and returns the pending bit for the specified interrupt. | |
| 765 \param [in] IRQn Interrupt number. | |
| 766 \return 0 Interrupt status is not pending. | |
| 767 \return 1 Interrupt status is pending. | |
| 768 */ | |
| 769 __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn) | |
| 770 { | |
| 771 return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL)); | |
| 772 } | |
| 773 | |
| 774 | |
| 775 /** | |
| 776 \brief Set Pending Interrupt | |
| 777 \details Sets the pending bit of an external interrupt. | |
| 778 \param [in] IRQn Interrupt number. Value cannot be negative. | |
| 779 */ | |
| 780 __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn) | |
| 781 { | |
| 782 NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); | |
| 783 } | |
| 784 | |
| 785 | |
| 786 /** | |
| 787 \brief Clear Pending Interrupt | |
| 788 \details Clears the pending bit of an external interrupt. | |
| 789 \param [in] IRQn External interrupt number. Value cannot be negative. | |
| 790 */ | |
| 791 __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn) | |
| 792 { | |
| 793 NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); | |
| 794 } | |
| 795 | |
| 796 | |
| 797 /** | |
| 798 \brief Set Interrupt Priority | |
| 799 \details Sets the priority of an interrupt. | |
| 800 \note The priority cannot be set for every core interrupt. | |
| 801 \param [in] IRQn Interrupt number. | |
| 802 \param [in] priority Priority to set. | |
| 803 */ | |
| 804 __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) | |
| 805 { | |
| 806 if ((int32_t)(IRQn) < 0) | |
| 807 { | |
| 808 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | | |
| 809 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); | |
| 810 } | |
| 811 else | |
| 812 { | |
| 813 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | | |
| 814 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); | |
| 815 } | |
| 816 } | |
| 817 | |
| 818 | |
| 819 /** | |
| 820 \brief Get Interrupt Priority | |
| 821 \details Reads the priority of an interrupt. | |
| 822 The interrupt number can be positive to specify an external (device specific) interrupt, | |
| 823 or negative to specify an internal (core) interrupt. | |
| 824 \param [in] IRQn Interrupt number. | |
| 825 \return Interrupt Priority. | |
| 826 Value is aligned automatically to the implemented priority bits of the microcontroller. | |
| 827 */ | |
| 828 __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn) | |
| 829 { | |
| 830 | |
| 831 if ((int32_t)(IRQn) < 0) | |
| 832 { | |
| 833 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS))); | |
| 834 } | |
| 835 else | |
| 836 { | |
| 837 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS))); | |
| 838 } | |
| 839 } | |
| 840 | |
| 841 | |
| 842 /** | |
| 843 \brief System Reset | |
| 844 \details Initiates a system reset request to reset the MCU. | |
| 845 */ | |
| 846 __STATIC_INLINE void NVIC_SystemReset(void) | |
| 847 { | |
| 848 __DSB(); /* Ensure all outstanding memory accesses included | |
| 849 buffered write are completed before reset */ | |
| 850 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) | | |
| 851 SCB_AIRCR_SYSRESETREQ_Msk); | |
| 852 __DSB(); /* Ensure completion of memory access */ | |
| 853 | |
| 854 for(;;) /* wait until reset */ | |
| 855 { | |
| 856 __NOP(); | |
| 857 } | |
| 858 } | |
| 859 | |
| 860 /*@} end of CMSIS_Core_NVICFunctions */ | |
| 861 | |
| 862 | |
| 863 | |
| 864 /* ################################## SysTick function ############################################ */ | |
| 865 /** | |
| 866 \ingroup CMSIS_Core_FunctionInterface | |
| 867 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions | |
| 868 \brief Functions that configure the System. | |
| 869 @{ | |
| 870 */ | |
| 871 | |
| 872 #if (__Vendor_SysTickConfig == 0U) | |
| 873 | |
| 874 /** | |
| 875 \brief System Tick Configuration | |
| 876 \details Initializes the System Timer and its interrupt, and starts the System Tick Timer. | |
| 877 Counter is in free running mode to generate periodic interrupts. | |
| 878 \param [in] ticks Number of ticks between two interrupts. | |
| 879 \return 0 Function succeeded. | |
| 880 \return 1 Function failed. | |
| 881 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the | |
| 882 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b> | |
| 883 must contain a vendor-specific implementation of this function. | |
| 884 */ | |
| 885 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks) | |
| 886 { | |
| 887 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) | |
| 888 { | |
| 889 return (1UL); /* Reload value impossible */ | |
| 890 } | |
| 891 | |
| 892 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */ | |
| 893 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */ | |
| 894 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ | |
| 895 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | | |
| 896 SysTick_CTRL_TICKINT_Msk | | |
| 897 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ | |
| 898 return (0UL); /* Function successful */ | |
| 899 } | |
| 900 | |
| 901 #endif | |
| 902 | |
| 903 /*@} end of CMSIS_Core_SysTickFunctions */ | |
| 904 | |
| 905 | |
| 906 | |
| 907 | |
| 908 #ifdef __cplusplus | |
| 909 } | |
| 910 #endif | |
| 911 | |
| 912 #endif /* __CORE_CM0PLUS_H_DEPENDANT */ | |
| 913 | |
| 914 #endif /* __CMSIS_GENERIC */ |
