Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | /**************************************************************************//** |
| 2 | * @file core_cm0plus.h |
||
| 3 | * @brief CMSIS Cortex-M0+ Core Peripheral Access Layer Header File |
||
| 4 | * @version V4.10 |
||
| 5 | * @date 18. March 2015 |
||
| 6 | * |
||
| 7 | * @note |
||
| 8 | * |
||
| 9 | ******************************************************************************/ |
||
| 10 | /* Copyright (c) 2009 - 2015 ARM LIMITED |
||
| 11 | |||
| 12 | All rights reserved. |
||
| 13 | Redistribution and use in source and binary forms, with or without |
||
| 14 | modification, are permitted provided that the following conditions are met: |
||
| 15 | - Redistributions of source code must retain the above copyright |
||
| 16 | notice, this list of conditions and the following disclaimer. |
||
| 17 | - Redistributions in binary form must reproduce the above copyright |
||
| 18 | notice, this list of conditions and the following disclaimer in the |
||
| 19 | documentation and/or other materials provided with the distribution. |
||
| 20 | - Neither the name of ARM nor the names of its contributors may be used |
||
| 21 | to endorse or promote products derived from this software without |
||
| 22 | specific prior written permission. |
||
| 23 | * |
||
| 24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
||
| 25 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
||
| 26 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||
| 27 | ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
||
| 28 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
||
| 29 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
||
| 30 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
||
| 31 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
||
| 32 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
||
| 33 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
||
| 34 | POSSIBILITY OF SUCH DAMAGE. |
||
| 35 | ---------------------------------------------------------------------------*/ |
||
| 36 | |||
| 37 | |||
| 38 | #if defined ( __ICCARM__ ) |
||
| 39 | #pragma system_include /* treat file as system include file for MISRA check */ |
||
| 40 | #endif |
||
| 41 | |||
| 42 | #ifndef __CORE_CM0PLUS_H_GENERIC |
||
| 43 | #define __CORE_CM0PLUS_H_GENERIC |
||
| 44 | |||
| 45 | #ifdef __cplusplus |
||
| 46 | extern "C" { |
||
| 47 | #endif |
||
| 48 | |||
| 49 | /** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions |
||
| 50 | CMSIS violates the following MISRA-C:2004 rules: |
||
| 51 | |||
| 52 | \li Required Rule 8.5, object/function definition in header file.<br> |
||
| 53 | Function definitions in header files are used to allow 'inlining'. |
||
| 54 | |||
| 55 | \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br> |
||
| 56 | Unions are used for effective representation of core registers. |
||
| 57 | |||
| 58 | \li Advisory Rule 19.7, Function-like macro defined.<br> |
||
| 59 | Function-like macros are used to allow more efficient code. |
||
| 60 | */ |
||
| 61 | |||
| 62 | |||
| 63 | /******************************************************************************* |
||
| 64 | * CMSIS definitions |
||
| 65 | ******************************************************************************/ |
||
| 66 | /** \ingroup Cortex-M0+ |
||
| 67 | @{ |
||
| 68 | */ |
||
| 69 | |||
| 70 | /* CMSIS CM0P definitions */ |
||
| 71 | #define __CM0PLUS_CMSIS_VERSION_MAIN (0x04) /*!< [31:16] CMSIS HAL main version */ |
||
| 72 | #define __CM0PLUS_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */ |
||
| 73 | #define __CM0PLUS_CMSIS_VERSION ((__CM0PLUS_CMSIS_VERSION_MAIN << 16) | \ |
||
| 74 | __CM0PLUS_CMSIS_VERSION_SUB) /*!< CMSIS HAL version number */ |
||
| 75 | |||
| 76 | #define __CORTEX_M (0x00) /*!< Cortex-M Core */ |
||
| 77 | |||
| 78 | |||
| 79 | #if defined ( __CC_ARM ) |
||
| 80 | #define __ASM __asm /*!< asm keyword for ARM Compiler */ |
||
| 81 | #define __INLINE __inline /*!< inline keyword for ARM Compiler */ |
||
| 82 | #define __STATIC_INLINE static __inline |
||
| 83 | |||
| 84 | #elif defined ( __GNUC__ ) |
||
| 85 | #define __ASM __asm /*!< asm keyword for GNU Compiler */ |
||
| 86 | #define __INLINE inline /*!< inline keyword for GNU Compiler */ |
||
| 87 | #define __STATIC_INLINE static inline |
||
| 88 | |||
| 89 | #elif defined ( __ICCARM__ ) |
||
| 90 | #define __ASM __asm /*!< asm keyword for IAR Compiler */ |
||
| 91 | #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */ |
||
| 92 | #define __STATIC_INLINE static inline |
||
| 93 | |||
| 94 | #elif defined ( __TMS470__ ) |
||
| 95 | #define __ASM __asm /*!< asm keyword for TI CCS Compiler */ |
||
| 96 | #define __STATIC_INLINE static inline |
||
| 97 | |||
| 98 | #elif defined ( __TASKING__ ) |
||
| 99 | #define __ASM __asm /*!< asm keyword for TASKING Compiler */ |
||
| 100 | #define __INLINE inline /*!< inline keyword for TASKING Compiler */ |
||
| 101 | #define __STATIC_INLINE static inline |
||
| 102 | |||
| 103 | #elif defined ( __CSMC__ ) |
||
| 104 | #define __packed |
||
| 105 | #define __ASM _asm /*!< asm keyword for COSMIC Compiler */ |
||
| 106 | #define __INLINE inline /*use -pc99 on compile line !< inline keyword for COSMIC Compiler */ |
||
| 107 | #define __STATIC_INLINE static inline |
||
| 108 | |||
| 109 | #endif |
||
| 110 | |||
| 111 | /** __FPU_USED indicates whether an FPU is used or not. |
||
| 112 | This core does not support an FPU at all |
||
| 113 | */ |
||
| 114 | #define __FPU_USED 0 |
||
| 115 | |||
| 116 | #if defined ( __CC_ARM ) |
||
| 117 | #if defined __TARGET_FPU_VFP |
||
| 118 | #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
||
| 119 | #endif |
||
| 120 | |||
| 121 | #elif defined ( __GNUC__ ) |
||
| 122 | #if defined (__VFP_FP__) && !defined(__SOFTFP__) |
||
| 123 | #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
||
| 124 | #endif |
||
| 125 | |||
| 126 | #elif defined ( __ICCARM__ ) |
||
| 127 | #if defined __ARMVFP__ |
||
| 128 | #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
||
| 129 | #endif |
||
| 130 | |||
| 131 | #elif defined ( __TMS470__ ) |
||
| 132 | #if defined __TI__VFP_SUPPORT____ |
||
| 133 | #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
||
| 134 | #endif |
||
| 135 | |||
| 136 | #elif defined ( __TASKING__ ) |
||
| 137 | #if defined __FPU_VFP__ |
||
| 138 | #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
||
| 139 | #endif |
||
| 140 | |||
| 141 | #elif defined ( __CSMC__ ) /* Cosmic */ |
||
| 142 | #if ( __CSMC__ & 0x400) // FPU present for parser |
||
| 143 | #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
||
| 144 | #endif |
||
| 145 | #endif |
||
| 146 | |||
| 147 | #include <stdint.h> /* standard types definitions */ |
||
| 148 | #include <core_cmInstr.h> /* Core Instruction Access */ |
||
| 149 | #include <core_cmFunc.h> /* Core Function Access */ |
||
| 150 | |||
| 151 | #ifdef __cplusplus |
||
| 152 | } |
||
| 153 | #endif |
||
| 154 | |||
| 155 | #endif /* __CORE_CM0PLUS_H_GENERIC */ |
||
| 156 | |||
| 157 | #ifndef __CMSIS_GENERIC |
||
| 158 | |||
| 159 | #ifndef __CORE_CM0PLUS_H_DEPENDANT |
||
| 160 | #define __CORE_CM0PLUS_H_DEPENDANT |
||
| 161 | |||
| 162 | #ifdef __cplusplus |
||
| 163 | extern "C" { |
||
| 164 | #endif |
||
| 165 | |||
| 166 | /* check device defines and use defaults */ |
||
| 167 | #if defined __CHECK_DEVICE_DEFINES |
||
| 168 | #ifndef __CM0PLUS_REV |
||
| 169 | #define __CM0PLUS_REV 0x0000 |
||
| 170 | #warning "__CM0PLUS_REV not defined in device header file; using default!" |
||
| 171 | #endif |
||
| 172 | |||
| 173 | #ifndef __MPU_PRESENT |
||
| 174 | #define __MPU_PRESENT 0 |
||
| 175 | #warning "__MPU_PRESENT not defined in device header file; using default!" |
||
| 176 | #endif |
||
| 177 | |||
| 178 | #ifndef __VTOR_PRESENT |
||
| 179 | #define __VTOR_PRESENT 0 |
||
| 180 | #warning "__VTOR_PRESENT not defined in device header file; using default!" |
||
| 181 | #endif |
||
| 182 | |||
| 183 | #ifndef __NVIC_PRIO_BITS |
||
| 184 | #define __NVIC_PRIO_BITS 2 |
||
| 185 | #warning "__NVIC_PRIO_BITS not defined in device header file; using default!" |
||
| 186 | #endif |
||
| 187 | |||
| 188 | #ifndef __Vendor_SysTickConfig |
||
| 189 | #define __Vendor_SysTickConfig 0 |
||
| 190 | #warning "__Vendor_SysTickConfig not defined in device header file; using default!" |
||
| 191 | #endif |
||
| 192 | #endif |
||
| 193 | |||
| 194 | /* IO definitions (access restrictions to peripheral registers) */ |
||
| 195 | /** |
||
| 196 | \defgroup CMSIS_glob_defs CMSIS Global Defines |
||
| 197 | |||
| 198 | <strong>IO Type Qualifiers</strong> are used |
||
| 199 | \li to specify the access to peripheral variables. |
||
| 200 | \li for automatic generation of peripheral register debug information. |
||
| 201 | */ |
||
| 202 | #ifdef __cplusplus |
||
| 203 | #define __I volatile /*!< Defines 'read only' permissions */ |
||
| 204 | #else |
||
| 205 | #define __I volatile const /*!< Defines 'read only' permissions */ |
||
| 206 | #endif |
||
| 207 | #define __O volatile /*!< Defines 'write only' permissions */ |
||
| 208 | #define __IO volatile /*!< Defines 'read / write' permissions */ |
||
| 209 | |||
| 210 | /*@} end of group Cortex-M0+ */ |
||
| 211 | |||
| 212 | |||
| 213 | |||
| 214 | /******************************************************************************* |
||
| 215 | * Register Abstraction |
||
| 216 | Core Register contain: |
||
| 217 | - Core Register |
||
| 218 | - Core NVIC Register |
||
| 219 | - Core SCB Register |
||
| 220 | - Core SysTick Register |
||
| 221 | - Core MPU Register |
||
| 222 | ******************************************************************************/ |
||
| 223 | /** \defgroup CMSIS_core_register Defines and Type Definitions |
||
| 224 | \brief Type definitions and defines for Cortex-M processor based devices. |
||
| 225 | */ |
||
| 226 | |||
| 227 | /** \ingroup CMSIS_core_register |
||
| 228 | \defgroup CMSIS_CORE Status and Control Registers |
||
| 229 | \brief Core Register type definitions. |
||
| 230 | @{ |
||
| 231 | */ |
||
| 232 | |||
| 233 | /** \brief Union type to access the Application Program Status Register (APSR). |
||
| 234 | */ |
||
| 235 | typedef union |
||
| 236 | { |
||
| 237 | struct |
||
| 238 | { |
||
| 239 | uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */ |
||
| 240 | uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ |
||
| 241 | uint32_t C:1; /*!< bit: 29 Carry condition code flag */ |
||
| 242 | uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ |
||
| 243 | uint32_t N:1; /*!< bit: 31 Negative condition code flag */ |
||
| 244 | } b; /*!< Structure used for bit access */ |
||
| 245 | uint32_t w; /*!< Type used for word access */ |
||
| 246 | } APSR_Type; |
||
| 247 | |||
| 248 | /* APSR Register Definitions */ |
||
| 249 | #define APSR_N_Pos 31 /*!< APSR: N Position */ |
||
| 250 | #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */ |
||
| 251 | |||
| 252 | #define APSR_Z_Pos 30 /*!< APSR: Z Position */ |
||
| 253 | #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */ |
||
| 254 | |||
| 255 | #define APSR_C_Pos 29 /*!< APSR: C Position */ |
||
| 256 | #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */ |
||
| 257 | |||
| 258 | #define APSR_V_Pos 28 /*!< APSR: V Position */ |
||
| 259 | #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */ |
||
| 260 | |||
| 261 | |||
| 262 | /** \brief Union type to access the Interrupt Program Status Register (IPSR). |
||
| 263 | */ |
||
| 264 | typedef union |
||
| 265 | { |
||
| 266 | struct |
||
| 267 | { |
||
| 268 | uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ |
||
| 269 | uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */ |
||
| 270 | } b; /*!< Structure used for bit access */ |
||
| 271 | uint32_t w; /*!< Type used for word access */ |
||
| 272 | } IPSR_Type; |
||
| 273 | |||
| 274 | /* IPSR Register Definitions */ |
||
| 275 | #define IPSR_ISR_Pos 0 /*!< IPSR: ISR Position */ |
||
| 276 | #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */ |
||
| 277 | |||
| 278 | |||
| 279 | /** \brief Union type to access the Special-Purpose Program Status Registers (xPSR). |
||
| 280 | */ |
||
| 281 | typedef union |
||
| 282 | { |
||
| 283 | struct |
||
| 284 | { |
||
| 285 | uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ |
||
| 286 | uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */ |
||
| 287 | uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */ |
||
| 288 | uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */ |
||
| 289 | uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ |
||
| 290 | uint32_t C:1; /*!< bit: 29 Carry condition code flag */ |
||
| 291 | uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ |
||
| 292 | uint32_t N:1; /*!< bit: 31 Negative condition code flag */ |
||
| 293 | } b; /*!< Structure used for bit access */ |
||
| 294 | uint32_t w; /*!< Type used for word access */ |
||
| 295 | } xPSR_Type; |
||
| 296 | |||
| 297 | /* xPSR Register Definitions */ |
||
| 298 | #define xPSR_N_Pos 31 /*!< xPSR: N Position */ |
||
| 299 | #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */ |
||
| 300 | |||
| 301 | #define xPSR_Z_Pos 30 /*!< xPSR: Z Position */ |
||
| 302 | #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */ |
||
| 303 | |||
| 304 | #define xPSR_C_Pos 29 /*!< xPSR: C Position */ |
||
| 305 | #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */ |
||
| 306 | |||
| 307 | #define xPSR_V_Pos 28 /*!< xPSR: V Position */ |
||
| 308 | #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */ |
||
| 309 | |||
| 310 | #define xPSR_T_Pos 24 /*!< xPSR: T Position */ |
||
| 311 | #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */ |
||
| 312 | |||
| 313 | #define xPSR_ISR_Pos 0 /*!< xPSR: ISR Position */ |
||
| 314 | #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */ |
||
| 315 | |||
| 316 | |||
| 317 | /** \brief Union type to access the Control Registers (CONTROL). |
||
| 318 | */ |
||
| 319 | typedef union |
||
| 320 | { |
||
| 321 | struct |
||
| 322 | { |
||
| 323 | uint32_t nPRIV:1; /*!< bit: 0 Execution privilege in Thread mode */ |
||
| 324 | uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */ |
||
| 325 | uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */ |
||
| 326 | } b; /*!< Structure used for bit access */ |
||
| 327 | uint32_t w; /*!< Type used for word access */ |
||
| 328 | } CONTROL_Type; |
||
| 329 | |||
| 330 | /* CONTROL Register Definitions */ |
||
| 331 | #define CONTROL_SPSEL_Pos 1 /*!< CONTROL: SPSEL Position */ |
||
| 332 | #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */ |
||
| 333 | |||
| 334 | #define CONTROL_nPRIV_Pos 0 /*!< CONTROL: nPRIV Position */ |
||
| 335 | #define CONTROL_nPRIV_Msk (1UL /*<< CONTROL_nPRIV_Pos*/) /*!< CONTROL: nPRIV Mask */ |
||
| 336 | |||
| 337 | /*@} end of group CMSIS_CORE */ |
||
| 338 | |||
| 339 | |||
| 340 | /** \ingroup CMSIS_core_register |
||
| 341 | \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC) |
||
| 342 | \brief Type definitions for the NVIC Registers |
||
| 343 | @{ |
||
| 344 | */ |
||
| 345 | |||
| 346 | /** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC). |
||
| 347 | */ |
||
| 348 | typedef struct |
||
| 349 | { |
||
| 350 | __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ |
||
| 351 | uint32_t RESERVED0[31]; |
||
| 352 | __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ |
||
| 353 | uint32_t RSERVED1[31]; |
||
| 354 | __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ |
||
| 355 | uint32_t RESERVED2[31]; |
||
| 356 | __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ |
||
| 357 | uint32_t RESERVED3[31]; |
||
| 358 | uint32_t RESERVED4[64]; |
||
| 359 | __IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */ |
||
| 360 | } NVIC_Type; |
||
| 361 | |||
| 362 | /*@} end of group CMSIS_NVIC */ |
||
| 363 | |||
| 364 | |||
| 365 | /** \ingroup CMSIS_core_register |
||
| 366 | \defgroup CMSIS_SCB System Control Block (SCB) |
||
| 367 | \brief Type definitions for the System Control Block Registers |
||
| 368 | @{ |
||
| 369 | */ |
||
| 370 | |||
| 371 | /** \brief Structure type to access the System Control Block (SCB). |
||
| 372 | */ |
||
| 373 | typedef struct |
||
| 374 | { |
||
| 375 | __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */ |
||
| 376 | __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */ |
||
| 377 | #if (__VTOR_PRESENT == 1) |
||
| 378 | __IO uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */ |
||
| 379 | #else |
||
| 380 | uint32_t RESERVED0; |
||
| 381 | #endif |
||
| 382 | __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */ |
||
| 383 | __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */ |
||
| 384 | __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */ |
||
| 385 | uint32_t RESERVED1; |
||
| 386 | __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */ |
||
| 387 | __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */ |
||
| 388 | } SCB_Type; |
||
| 389 | |||
| 390 | /* SCB CPUID Register Definitions */ |
||
| 391 | #define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */ |
||
| 392 | #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */ |
||
| 393 | |||
| 394 | #define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */ |
||
| 395 | #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */ |
||
| 396 | |||
| 397 | #define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */ |
||
| 398 | #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */ |
||
| 399 | |||
| 400 | #define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */ |
||
| 401 | #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */ |
||
| 402 | |||
| 403 | #define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */ |
||
| 404 | #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */ |
||
| 405 | |||
| 406 | /* SCB Interrupt Control State Register Definitions */ |
||
| 407 | #define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */ |
||
| 408 | #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */ |
||
| 409 | |||
| 410 | #define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */ |
||
| 411 | #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */ |
||
| 412 | |||
| 413 | #define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */ |
||
| 414 | #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */ |
||
| 415 | |||
| 416 | #define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */ |
||
| 417 | #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */ |
||
| 418 | |||
| 419 | #define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */ |
||
| 420 | #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */ |
||
| 421 | |||
| 422 | #define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */ |
||
| 423 | #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */ |
||
| 424 | |||
| 425 | #define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */ |
||
| 426 | #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */ |
||
| 427 | |||
| 428 | #define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */ |
||
| 429 | #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */ |
||
| 430 | |||
| 431 | #define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */ |
||
| 432 | #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */ |
||
| 433 | |||
| 434 | #if (__VTOR_PRESENT == 1) |
||
| 435 | /* SCB Interrupt Control State Register Definitions */ |
||
| 436 | #define SCB_VTOR_TBLOFF_Pos 8 /*!< SCB VTOR: TBLOFF Position */ |
||
| 437 | #define SCB_VTOR_TBLOFF_Msk (0xFFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */ |
||
| 438 | #endif |
||
| 439 | |||
| 440 | /* SCB Application Interrupt and Reset Control Register Definitions */ |
||
| 441 | #define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */ |
||
| 442 | #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */ |
||
| 443 | |||
| 444 | #define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */ |
||
| 445 | #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */ |
||
| 446 | |||
| 447 | #define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */ |
||
| 448 | #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */ |
||
| 449 | |||
| 450 | #define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */ |
||
| 451 | #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */ |
||
| 452 | |||
| 453 | #define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */ |
||
| 454 | #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */ |
||
| 455 | |||
| 456 | /* SCB System Control Register Definitions */ |
||
| 457 | #define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */ |
||
| 458 | #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */ |
||
| 459 | |||
| 460 | #define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */ |
||
| 461 | #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */ |
||
| 462 | |||
| 463 | #define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */ |
||
| 464 | #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */ |
||
| 465 | |||
| 466 | /* SCB Configuration Control Register Definitions */ |
||
| 467 | #define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */ |
||
| 468 | #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */ |
||
| 469 | |||
| 470 | #define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */ |
||
| 471 | #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */ |
||
| 472 | |||
| 473 | /* SCB System Handler Control and State Register Definitions */ |
||
| 474 | #define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */ |
||
| 475 | #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */ |
||
| 476 | |||
| 477 | /*@} end of group CMSIS_SCB */ |
||
| 478 | |||
| 479 | |||
| 480 | /** \ingroup CMSIS_core_register |
||
| 481 | \defgroup CMSIS_SysTick System Tick Timer (SysTick) |
||
| 482 | \brief Type definitions for the System Timer Registers. |
||
| 483 | @{ |
||
| 484 | */ |
||
| 485 | |||
| 486 | /** \brief Structure type to access the System Timer (SysTick). |
||
| 487 | */ |
||
| 488 | typedef struct |
||
| 489 | { |
||
| 490 | __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */ |
||
| 491 | __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */ |
||
| 492 | __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */ |
||
| 493 | __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */ |
||
| 494 | } SysTick_Type; |
||
| 495 | |||
| 496 | /* SysTick Control / Status Register Definitions */ |
||
| 497 | #define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */ |
||
| 498 | #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ |
||
| 499 | |||
| 500 | #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */ |
||
| 501 | #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */ |
||
| 502 | |||
| 503 | #define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */ |
||
| 504 | #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */ |
||
| 505 | |||
| 506 | #define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */ |
||
| 507 | #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */ |
||
| 508 | |||
| 509 | /* SysTick Reload Register Definitions */ |
||
| 510 | #define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */ |
||
| 511 | #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */ |
||
| 512 | |||
| 513 | /* SysTick Current Register Definitions */ |
||
| 514 | #define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */ |
||
| 515 | #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */ |
||
| 516 | |||
| 517 | /* SysTick Calibration Register Definitions */ |
||
| 518 | #define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */ |
||
| 519 | #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */ |
||
| 520 | |||
| 521 | #define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */ |
||
| 522 | #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */ |
||
| 523 | |||
| 524 | #define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */ |
||
| 525 | #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */ |
||
| 526 | |||
| 527 | /*@} end of group CMSIS_SysTick */ |
||
| 528 | |||
| 529 | #if (__MPU_PRESENT == 1) |
||
| 530 | /** \ingroup CMSIS_core_register |
||
| 531 | \defgroup CMSIS_MPU Memory Protection Unit (MPU) |
||
| 532 | \brief Type definitions for the Memory Protection Unit (MPU) |
||
| 533 | @{ |
||
| 534 | */ |
||
| 535 | |||
| 536 | /** \brief Structure type to access the Memory Protection Unit (MPU). |
||
| 537 | */ |
||
| 538 | typedef struct |
||
| 539 | { |
||
| 540 | __I uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */ |
||
| 541 | __IO uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */ |
||
| 542 | __IO uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */ |
||
| 543 | __IO uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */ |
||
| 544 | __IO uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */ |
||
| 545 | } MPU_Type; |
||
| 546 | |||
| 547 | /* MPU Type Register */ |
||
| 548 | #define MPU_TYPE_IREGION_Pos 16 /*!< MPU TYPE: IREGION Position */ |
||
| 549 | #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */ |
||
| 550 | |||
| 551 | #define MPU_TYPE_DREGION_Pos 8 /*!< MPU TYPE: DREGION Position */ |
||
| 552 | #define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */ |
||
| 553 | |||
| 554 | #define MPU_TYPE_SEPARATE_Pos 0 /*!< MPU TYPE: SEPARATE Position */ |
||
| 555 | #define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/) /*!< MPU TYPE: SEPARATE Mask */ |
||
| 556 | |||
| 557 | /* MPU Control Register */ |
||
| 558 | #define MPU_CTRL_PRIVDEFENA_Pos 2 /*!< MPU CTRL: PRIVDEFENA Position */ |
||
| 559 | #define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */ |
||
| 560 | |||
| 561 | #define MPU_CTRL_HFNMIENA_Pos 1 /*!< MPU CTRL: HFNMIENA Position */ |
||
| 562 | #define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */ |
||
| 563 | |||
| 564 | #define MPU_CTRL_ENABLE_Pos 0 /*!< MPU CTRL: ENABLE Position */ |
||
| 565 | #define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/) /*!< MPU CTRL: ENABLE Mask */ |
||
| 566 | |||
| 567 | /* MPU Region Number Register */ |
||
| 568 | #define MPU_RNR_REGION_Pos 0 /*!< MPU RNR: REGION Position */ |
||
| 569 | #define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/) /*!< MPU RNR: REGION Mask */ |
||
| 570 | |||
| 571 | /* MPU Region Base Address Register */ |
||
| 572 | #define MPU_RBAR_ADDR_Pos 8 /*!< MPU RBAR: ADDR Position */ |
||
| 573 | #define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */ |
||
| 574 | |||
| 575 | #define MPU_RBAR_VALID_Pos 4 /*!< MPU RBAR: VALID Position */ |
||
| 576 | #define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */ |
||
| 577 | |||
| 578 | #define MPU_RBAR_REGION_Pos 0 /*!< MPU RBAR: REGION Position */ |
||
| 579 | #define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/) /*!< MPU RBAR: REGION Mask */ |
||
| 580 | |||
| 581 | /* MPU Region Attribute and Size Register */ |
||
| 582 | #define MPU_RASR_ATTRS_Pos 16 /*!< MPU RASR: MPU Region Attribute field Position */ |
||
| 583 | #define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */ |
||
| 584 | |||
| 585 | #define MPU_RASR_XN_Pos 28 /*!< MPU RASR: ATTRS.XN Position */ |
||
| 586 | #define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */ |
||
| 587 | |||
| 588 | #define MPU_RASR_AP_Pos 24 /*!< MPU RASR: ATTRS.AP Position */ |
||
| 589 | #define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */ |
||
| 590 | |||
| 591 | #define MPU_RASR_TEX_Pos 19 /*!< MPU RASR: ATTRS.TEX Position */ |
||
| 592 | #define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */ |
||
| 593 | |||
| 594 | #define MPU_RASR_S_Pos 18 /*!< MPU RASR: ATTRS.S Position */ |
||
| 595 | #define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */ |
||
| 596 | |||
| 597 | #define MPU_RASR_C_Pos 17 /*!< MPU RASR: ATTRS.C Position */ |
||
| 598 | #define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */ |
||
| 599 | |||
| 600 | #define MPU_RASR_B_Pos 16 /*!< MPU RASR: ATTRS.B Position */ |
||
| 601 | #define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */ |
||
| 602 | |||
| 603 | #define MPU_RASR_SRD_Pos 8 /*!< MPU RASR: Sub-Region Disable Position */ |
||
| 604 | #define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */ |
||
| 605 | |||
| 606 | #define MPU_RASR_SIZE_Pos 1 /*!< MPU RASR: Region Size Field Position */ |
||
| 607 | #define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */ |
||
| 608 | |||
| 609 | #define MPU_RASR_ENABLE_Pos 0 /*!< MPU RASR: Region enable bit Position */ |
||
| 610 | #define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/) /*!< MPU RASR: Region enable bit Disable Mask */ |
||
| 611 | |||
| 612 | /*@} end of group CMSIS_MPU */ |
||
| 613 | #endif |
||
| 614 | |||
| 615 | |||
| 616 | /** \ingroup CMSIS_core_register |
||
| 617 | \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug) |
||
| 618 | \brief Cortex-M0+ Core Debug Registers (DCB registers, SHCSR, and DFSR) |
||
| 619 | are only accessible over DAP and not via processor. Therefore |
||
| 620 | they are not covered by the Cortex-M0 header file. |
||
| 621 | @{ |
||
| 622 | */ |
||
| 623 | /*@} end of group CMSIS_CoreDebug */ |
||
| 624 | |||
| 625 | |||
| 626 | /** \ingroup CMSIS_core_register |
||
| 627 | \defgroup CMSIS_core_base Core Definitions |
||
| 628 | \brief Definitions for base addresses, unions, and structures. |
||
| 629 | @{ |
||
| 630 | */ |
||
| 631 | |||
| 632 | /* Memory mapping of Cortex-M0+ Hardware */ |
||
| 633 | #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */ |
||
| 634 | #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */ |
||
| 635 | #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */ |
||
| 636 | #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */ |
||
| 637 | |||
| 638 | #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */ |
||
| 639 | #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */ |
||
| 640 | #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */ |
||
| 641 | |||
| 642 | #if (__MPU_PRESENT == 1) |
||
| 643 | #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */ |
||
| 644 | #define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */ |
||
| 645 | #endif |
||
| 646 | |||
| 647 | /*@} */ |
||
| 648 | |||
| 649 | |||
| 650 | |||
| 651 | /******************************************************************************* |
||
| 652 | * Hardware Abstraction Layer |
||
| 653 | Core Function Interface contains: |
||
| 654 | - Core NVIC Functions |
||
| 655 | - Core SysTick Functions |
||
| 656 | - Core Register Access Functions |
||
| 657 | ******************************************************************************/ |
||
| 658 | /** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference |
||
| 659 | */ |
||
| 660 | |||
| 661 | |||
| 662 | |||
| 663 | /* ########################## NVIC functions #################################### */ |
||
| 664 | /** \ingroup CMSIS_Core_FunctionInterface |
||
| 665 | \defgroup CMSIS_Core_NVICFunctions NVIC Functions |
||
| 666 | \brief Functions that manage interrupts and exceptions via the NVIC. |
||
| 667 | @{ |
||
| 668 | */ |
||
| 669 | |||
| 670 | /* Interrupt Priorities are WORD accessible only under ARMv6M */ |
||
| 671 | /* The following MACROS handle generation of the register offset and byte masks */ |
||
| 672 | #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL) |
||
| 673 | #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) ) |
||
| 674 | #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) ) |
||
| 675 | |||
| 676 | |||
| 677 | /** \brief Enable External Interrupt |
||
| 678 | |||
| 679 | The function enables a device-specific interrupt in the NVIC interrupt controller. |
||
| 680 | |||
| 681 | \param [in] IRQn External interrupt number. Value cannot be negative. |
||
| 682 | */ |
||
| 683 | __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn) |
||
| 684 | { |
||
| 685 | NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); |
||
| 686 | } |
||
| 687 | |||
| 688 | |||
| 689 | /** \brief Disable External Interrupt |
||
| 690 | |||
| 691 | The function disables a device-specific interrupt in the NVIC interrupt controller. |
||
| 692 | |||
| 693 | \param [in] IRQn External interrupt number. Value cannot be negative. |
||
| 694 | */ |
||
| 695 | __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn) |
||
| 696 | { |
||
| 697 | NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); |
||
| 698 | } |
||
| 699 | |||
| 700 | |||
| 701 | /** \brief Get Pending Interrupt |
||
| 702 | |||
| 703 | The function reads the pending register in the NVIC and returns the pending bit |
||
| 704 | for the specified interrupt. |
||
| 705 | |||
| 706 | \param [in] IRQn Interrupt number. |
||
| 707 | |||
| 708 | \return 0 Interrupt status is not pending. |
||
| 709 | \return 1 Interrupt status is pending. |
||
| 710 | */ |
||
| 711 | __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn) |
||
| 712 | { |
||
| 713 | return((uint32_t)(((NVIC->ISPR[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL)); |
||
| 714 | } |
||
| 715 | |||
| 716 | |||
| 717 | /** \brief Set Pending Interrupt |
||
| 718 | |||
| 719 | The function sets the pending bit of an external interrupt. |
||
| 720 | |||
| 721 | \param [in] IRQn Interrupt number. Value cannot be negative. |
||
| 722 | */ |
||
| 723 | __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn) |
||
| 724 | { |
||
| 725 | NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); |
||
| 726 | } |
||
| 727 | |||
| 728 | |||
| 729 | /** \brief Clear Pending Interrupt |
||
| 730 | |||
| 731 | The function clears the pending bit of an external interrupt. |
||
| 732 | |||
| 733 | \param [in] IRQn External interrupt number. Value cannot be negative. |
||
| 734 | */ |
||
| 735 | __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn) |
||
| 736 | { |
||
| 737 | NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); |
||
| 738 | } |
||
| 739 | |||
| 740 | |||
| 741 | /** \brief Set Interrupt Priority |
||
| 742 | |||
| 743 | The function sets the priority of an interrupt. |
||
| 744 | |||
| 745 | \note The priority cannot be set for every core interrupt. |
||
| 746 | |||
| 747 | \param [in] IRQn Interrupt number. |
||
| 748 | \param [in] priority Priority to set. |
||
| 749 | */ |
||
| 750 | __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) |
||
| 751 | { |
||
| 752 | if((int32_t)(IRQn) < 0) { |
||
| 753 | SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | |
||
| 754 | (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); |
||
| 755 | } |
||
| 756 | else { |
||
| 757 | NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | |
||
| 758 | (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); |
||
| 759 | } |
||
| 760 | } |
||
| 761 | |||
| 762 | |||
| 763 | /** \brief Get Interrupt Priority |
||
| 764 | |||
| 765 | The function reads the priority of an interrupt. The interrupt |
||
| 766 | number can be positive to specify an external (device specific) |
||
| 767 | interrupt, or negative to specify an internal (core) interrupt. |
||
| 768 | |||
| 769 | |||
| 770 | \param [in] IRQn Interrupt number. |
||
| 771 | \return Interrupt Priority. Value is aligned automatically to the implemented |
||
| 772 | priority bits of the microcontroller. |
||
| 773 | */ |
||
| 774 | __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn) |
||
| 775 | { |
||
| 776 | |||
| 777 | if((int32_t)(IRQn) < 0) { |
||
| 778 | return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS))); |
||
| 779 | } |
||
| 780 | else { |
||
| 781 | return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS))); |
||
| 782 | } |
||
| 783 | } |
||
| 784 | |||
| 785 | |||
| 786 | /** \brief System Reset |
||
| 787 | |||
| 788 | The function initiates a system reset request to reset the MCU. |
||
| 789 | */ |
||
| 790 | __STATIC_INLINE void NVIC_SystemReset(void) |
||
| 791 | { |
||
| 792 | __DSB(); /* Ensure all outstanding memory accesses included |
||
| 793 | buffered write are completed before reset */ |
||
| 794 | SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) | |
||
| 795 | SCB_AIRCR_SYSRESETREQ_Msk); |
||
| 796 | __DSB(); /* Ensure completion of memory access */ |
||
| 797 | while(1) { __NOP(); } /* wait until reset */ |
||
| 798 | } |
||
| 799 | |||
| 800 | /*@} end of CMSIS_Core_NVICFunctions */ |
||
| 801 | |||
| 802 | |||
| 803 | |||
| 804 | /* ################################## SysTick function ############################################ */ |
||
| 805 | /** \ingroup CMSIS_Core_FunctionInterface |
||
| 806 | \defgroup CMSIS_Core_SysTickFunctions SysTick Functions |
||
| 807 | \brief Functions that configure the System. |
||
| 808 | @{ |
||
| 809 | */ |
||
| 810 | |||
| 811 | #if (__Vendor_SysTickConfig == 0) |
||
| 812 | |||
| 813 | /** \brief System Tick Configuration |
||
| 814 | |||
| 815 | The function initializes the System Timer and its interrupt, and starts the System Tick Timer. |
||
| 816 | Counter is in free running mode to generate periodic interrupts. |
||
| 817 | |||
| 818 | \param [in] ticks Number of ticks between two interrupts. |
||
| 819 | |||
| 820 | \return 0 Function succeeded. |
||
| 821 | \return 1 Function failed. |
||
| 822 | |||
| 823 | \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the |
||
| 824 | function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b> |
||
| 825 | must contain a vendor-specific implementation of this function. |
||
| 826 | |||
| 827 | */ |
||
| 828 | __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks) |
||
| 829 | { |
||
| 830 | if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) {return (1UL);} /* Reload value impossible */ |
||
| 831 | |||
| 832 | SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */ |
||
| 833 | NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */ |
||
| 834 | SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ |
||
| 835 | SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | |
||
| 836 | SysTick_CTRL_TICKINT_Msk | |
||
| 837 | SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ |
||
| 838 | return (0UL); /* Function successful */ |
||
| 839 | } |
||
| 840 | |||
| 841 | #endif |
||
| 842 | |||
| 843 | /*@} end of CMSIS_Core_SysTickFunctions */ |
||
| 844 | |||
| 845 | |||
| 846 | |||
| 847 | |||
| 848 | #ifdef __cplusplus |
||
| 849 | } |
||
| 850 | #endif |
||
| 851 | |||
| 852 | #endif /* __CORE_CM0PLUS_H_DEPENDANT */ |
||
| 853 | |||
| 854 | #endif /* __CMSIS_GENERIC */ |