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TARGET_NUCLEO_F334R8/core_sc000.h@143:86740a56073b, 2017-05-26 (annotated)

Committer:
AnnaBridge
Date:
Fri May 26 12:30:20 2017 +0100
Revision:
143:86740a56073b
Parent:
131:faff56e089b2
Child:
145:64910690c574
Release 143 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 110:165afa46840b 1 /**************************************************************************//**
Kojto 110:165afa46840b 2 * @file core_sc000.h
Kojto 110:165afa46840b 3 * @brief CMSIS SC000 Core Peripheral Access Layer Header File
Kojto 110:165afa46840b 4 * @version V4.10
Kojto 110:165afa46840b 5 * @date 18. March 2015
Kojto 110:165afa46840b 6 *
Kojto 110:165afa46840b 7 * @note
Kojto 110:165afa46840b 8 *
Kojto 110:165afa46840b 9 ******************************************************************************/
Kojto 110:165afa46840b 10 /* Copyright (c) 2009 - 2015 ARM LIMITED
Kojto 110:165afa46840b 11
Kojto 110:165afa46840b 12 All rights reserved.
Kojto 110:165afa46840b 13 Redistribution and use in source and binary forms, with or without
Kojto 110:165afa46840b 14 modification, are permitted provided that the following conditions are met:
Kojto 110:165afa46840b 15 - Redistributions of source code must retain the above copyright
Kojto 110:165afa46840b 16 notice, this list of conditions and the following disclaimer.
Kojto 110:165afa46840b 17 - Redistributions in binary form must reproduce the above copyright
Kojto 110:165afa46840b 18 notice, this list of conditions and the following disclaimer in the
Kojto 110:165afa46840b 19 documentation and/or other materials provided with the distribution.
Kojto 110:165afa46840b 20 - Neither the name of ARM nor the names of its contributors may be used
Kojto 110:165afa46840b 21 to endorse or promote products derived from this software without
Kojto 110:165afa46840b 22 specific prior written permission.
Kojto 110:165afa46840b 23 *
Kojto 110:165afa46840b 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 110:165afa46840b 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 110:165afa46840b 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Kojto 110:165afa46840b 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
Kojto 110:165afa46840b 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Kojto 110:165afa46840b 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Kojto 110:165afa46840b 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Kojto 110:165afa46840b 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Kojto 110:165afa46840b 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Kojto 110:165afa46840b 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Kojto 110:165afa46840b 34 POSSIBILITY OF SUCH DAMAGE.
Kojto 110:165afa46840b 35 ---------------------------------------------------------------------------*/
Kojto 110:165afa46840b 36
Kojto 110:165afa46840b 37
Kojto 110:165afa46840b 38 #if defined ( __ICCARM__ )
Kojto 110:165afa46840b 39 #pragma system_include /* treat file as system include file for MISRA check */
Kojto 110:165afa46840b 40 #endif
Kojto 110:165afa46840b 41
Kojto 110:165afa46840b 42 #ifndef __CORE_SC000_H_GENERIC
Kojto 110:165afa46840b 43 #define __CORE_SC000_H_GENERIC
Kojto 110:165afa46840b 44
Kojto 110:165afa46840b 45 #ifdef __cplusplus
Kojto 110:165afa46840b 46 extern "C" {
Kojto 110:165afa46840b 47 #endif
Kojto 110:165afa46840b 48
Kojto 110:165afa46840b 49 /** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
Kojto 110:165afa46840b 50 CMSIS violates the following MISRA-C:2004 rules:
Kojto 110:165afa46840b 51
Kojto 110:165afa46840b 52 \li Required Rule 8.5, object/function definition in header file.<br>
Kojto 110:165afa46840b 53 Function definitions in header files are used to allow 'inlining'.
Kojto 110:165afa46840b 54
Kojto 110:165afa46840b 55 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
Kojto 110:165afa46840b 56 Unions are used for effective representation of core registers.
Kojto 110:165afa46840b 57
Kojto 110:165afa46840b 58 \li Advisory Rule 19.7, Function-like macro defined.<br>
Kojto 110:165afa46840b 59 Function-like macros are used to allow more efficient code.
Kojto 110:165afa46840b 60 */
Kojto 110:165afa46840b 61
Kojto 110:165afa46840b 62
Kojto 110:165afa46840b 63 /*******************************************************************************
Kojto 110:165afa46840b 64 * CMSIS definitions
Kojto 110:165afa46840b 65 ******************************************************************************/
Kojto 110:165afa46840b 66 /** \ingroup SC000
Kojto 110:165afa46840b 67 @{
Kojto 110:165afa46840b 68 */
Kojto 110:165afa46840b 69
Kojto 110:165afa46840b 70 /* CMSIS SC000 definitions */
Kojto 110:165afa46840b 71 #define __SC000_CMSIS_VERSION_MAIN (0x04) /*!< [31:16] CMSIS HAL main version */
Kojto 110:165afa46840b 72 #define __SC000_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */
Kojto 110:165afa46840b 73 #define __SC000_CMSIS_VERSION ((__SC000_CMSIS_VERSION_MAIN << 16) | \
Kojto 110:165afa46840b 74 __SC000_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */
Kojto 110:165afa46840b 75
Kojto 110:165afa46840b 76 #define __CORTEX_SC (000) /*!< Cortex secure core */
Kojto 110:165afa46840b 77
Kojto 110:165afa46840b 78
Kojto 110:165afa46840b 79 #if defined ( __CC_ARM )
Kojto 110:165afa46840b 80 #define __ASM __asm /*!< asm keyword for ARM Compiler */
Kojto 110:165afa46840b 81 #define __INLINE __inline /*!< inline keyword for ARM Compiler */
Kojto 110:165afa46840b 82 #define __STATIC_INLINE static __inline
Kojto 110:165afa46840b 83
Kojto 110:165afa46840b 84 #elif defined ( __GNUC__ )
Kojto 110:165afa46840b 85 #define __ASM __asm /*!< asm keyword for GNU Compiler */
Kojto 110:165afa46840b 86 #define __INLINE inline /*!< inline keyword for GNU Compiler */
Kojto 110:165afa46840b 87 #define __STATIC_INLINE static inline
Kojto 110:165afa46840b 88
Kojto 110:165afa46840b 89 #elif defined ( __ICCARM__ )
Kojto 110:165afa46840b 90 #define __ASM __asm /*!< asm keyword for IAR Compiler */
Kojto 110:165afa46840b 91 #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
Kojto 110:165afa46840b 92 #define __STATIC_INLINE static inline
Kojto 110:165afa46840b 93
Kojto 110:165afa46840b 94 #elif defined ( __TMS470__ )
Kojto 110:165afa46840b 95 #define __ASM __asm /*!< asm keyword for TI CCS Compiler */
Kojto 110:165afa46840b 96 #define __STATIC_INLINE static inline
Kojto 110:165afa46840b 97
Kojto 110:165afa46840b 98 #elif defined ( __TASKING__ )
Kojto 110:165afa46840b 99 #define __ASM __asm /*!< asm keyword for TASKING Compiler */
Kojto 110:165afa46840b 100 #define __INLINE inline /*!< inline keyword for TASKING Compiler */
Kojto 110:165afa46840b 101 #define __STATIC_INLINE static inline
Kojto 110:165afa46840b 102
Kojto 110:165afa46840b 103 #elif defined ( __CSMC__ )
Kojto 110:165afa46840b 104 #define __packed
Kojto 110:165afa46840b 105 #define __ASM _asm /*!< asm keyword for COSMIC Compiler */
Kojto 110:165afa46840b 106 #define __INLINE inline /*use -pc99 on compile line !< inline keyword for COSMIC Compiler */
Kojto 110:165afa46840b 107 #define __STATIC_INLINE static inline
Kojto 110:165afa46840b 108
Kojto 110:165afa46840b 109 #endif
Kojto 110:165afa46840b 110
Kojto 110:165afa46840b 111 /** __FPU_USED indicates whether an FPU is used or not.
Kojto 110:165afa46840b 112 This core does not support an FPU at all
Kojto 110:165afa46840b 113 */
Kojto 110:165afa46840b 114 #define __FPU_USED 0
Kojto 110:165afa46840b 115
Kojto 110:165afa46840b 116 #if defined ( __CC_ARM )
Kojto 110:165afa46840b 117 #if defined __TARGET_FPU_VFP
Kojto 110:165afa46840b 118 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 110:165afa46840b 119 #endif
Kojto 110:165afa46840b 120
Kojto 110:165afa46840b 121 #elif defined ( __GNUC__ )
Kojto 110:165afa46840b 122 #if defined (__VFP_FP__) && !defined(__SOFTFP__)
Kojto 110:165afa46840b 123 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 110:165afa46840b 124 #endif
Kojto 110:165afa46840b 125
Kojto 110:165afa46840b 126 #elif defined ( __ICCARM__ )
Kojto 110:165afa46840b 127 #if defined __ARMVFP__
Kojto 110:165afa46840b 128 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 110:165afa46840b 129 #endif
Kojto 110:165afa46840b 130
Kojto 110:165afa46840b 131 #elif defined ( __TMS470__ )
Kojto 110:165afa46840b 132 #if defined __TI__VFP_SUPPORT____
Kojto 110:165afa46840b 133 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 110:165afa46840b 134 #endif
Kojto 110:165afa46840b 135
Kojto 110:165afa46840b 136 #elif defined ( __TASKING__ )
Kojto 110:165afa46840b 137 #if defined __FPU_VFP__
Kojto 110:165afa46840b 138 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 110:165afa46840b 139 #endif
Kojto 110:165afa46840b 140
Kojto 110:165afa46840b 141 #elif defined ( __CSMC__ ) /* Cosmic */
Kojto 110:165afa46840b 142 #if ( __CSMC__ & 0x400) // FPU present for parser
Kojto 110:165afa46840b 143 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 110:165afa46840b 144 #endif
Kojto 110:165afa46840b 145 #endif
Kojto 110:165afa46840b 146
Kojto 110:165afa46840b 147 #include <stdint.h> /* standard types definitions */
Kojto 110:165afa46840b 148 #include <core_cmInstr.h> /* Core Instruction Access */
Kojto 110:165afa46840b 149 #include <core_cmFunc.h> /* Core Function Access */
Kojto 110:165afa46840b 150
Kojto 110:165afa46840b 151 #ifdef __cplusplus
Kojto 110:165afa46840b 152 }
Kojto 110:165afa46840b 153 #endif
Kojto 110:165afa46840b 154
Kojto 110:165afa46840b 155 #endif /* __CORE_SC000_H_GENERIC */
Kojto 110:165afa46840b 156
Kojto 110:165afa46840b 157 #ifndef __CMSIS_GENERIC
Kojto 110:165afa46840b 158
Kojto 110:165afa46840b 159 #ifndef __CORE_SC000_H_DEPENDANT
Kojto 110:165afa46840b 160 #define __CORE_SC000_H_DEPENDANT
Kojto 110:165afa46840b 161
Kojto 110:165afa46840b 162 #ifdef __cplusplus
Kojto 110:165afa46840b 163 extern "C" {
Kojto 110:165afa46840b 164 #endif
Kojto 110:165afa46840b 165
Kojto 110:165afa46840b 166 /* check device defines and use defaults */
Kojto 110:165afa46840b 167 #if defined __CHECK_DEVICE_DEFINES
Kojto 110:165afa46840b 168 #ifndef __SC000_REV
Kojto 110:165afa46840b 169 #define __SC000_REV 0x0000
Kojto 110:165afa46840b 170 #warning "__SC000_REV not defined in device header file; using default!"
Kojto 110:165afa46840b 171 #endif
Kojto 110:165afa46840b 172
Kojto 110:165afa46840b 173 #ifndef __MPU_PRESENT
Kojto 110:165afa46840b 174 #define __MPU_PRESENT 0
Kojto 110:165afa46840b 175 #warning "__MPU_PRESENT not defined in device header file; using default!"
Kojto 110:165afa46840b 176 #endif
Kojto 110:165afa46840b 177
Kojto 110:165afa46840b 178 #ifndef __NVIC_PRIO_BITS
Kojto 110:165afa46840b 179 #define __NVIC_PRIO_BITS 2
Kojto 110:165afa46840b 180 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
Kojto 110:165afa46840b 181 #endif
Kojto 110:165afa46840b 182
Kojto 110:165afa46840b 183 #ifndef __Vendor_SysTickConfig
Kojto 110:165afa46840b 184 #define __Vendor_SysTickConfig 0
Kojto 110:165afa46840b 185 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
Kojto 110:165afa46840b 186 #endif
Kojto 110:165afa46840b 187 #endif
Kojto 110:165afa46840b 188
Kojto 110:165afa46840b 189 /* IO definitions (access restrictions to peripheral registers) */
Kojto 110:165afa46840b 190 /**
Kojto 110:165afa46840b 191 \defgroup CMSIS_glob_defs CMSIS Global Defines
Kojto 110:165afa46840b 192
Kojto 110:165afa46840b 193 <strong>IO Type Qualifiers</strong> are used
Kojto 110:165afa46840b 194 \li to specify the access to peripheral variables.
Kojto 110:165afa46840b 195 \li for automatic generation of peripheral register debug information.
Kojto 110:165afa46840b 196 */
Kojto 110:165afa46840b 197 #ifdef __cplusplus
Kojto 110:165afa46840b 198 #define __I volatile /*!< Defines 'read only' permissions */
Kojto 110:165afa46840b 199 #else
Kojto 110:165afa46840b 200 #define __I volatile const /*!< Defines 'read only' permissions */
Kojto 110:165afa46840b 201 #endif
Kojto 110:165afa46840b 202 #define __O volatile /*!< Defines 'write only' permissions */
Kojto 110:165afa46840b 203 #define __IO volatile /*!< Defines 'read / write' permissions */
Kojto 110:165afa46840b 204
Kojto 110:165afa46840b 205 /*@} end of group SC000 */
Kojto 110:165afa46840b 206
Kojto 110:165afa46840b 207
Kojto 110:165afa46840b 208
Kojto 110:165afa46840b 209 /*******************************************************************************
Kojto 110:165afa46840b 210 * Register Abstraction
Kojto 110:165afa46840b 211 Core Register contain:
Kojto 110:165afa46840b 212 - Core Register
Kojto 110:165afa46840b 213 - Core NVIC Register
Kojto 110:165afa46840b 214 - Core SCB Register
Kojto 110:165afa46840b 215 - Core SysTick Register
Kojto 110:165afa46840b 216 - Core MPU Register
Kojto 110:165afa46840b 217 ******************************************************************************/
Kojto 110:165afa46840b 218 /** \defgroup CMSIS_core_register Defines and Type Definitions
Kojto 110:165afa46840b 219 \brief Type definitions and defines for Cortex-M processor based devices.
Kojto 110:165afa46840b 220 */
Kojto 110:165afa46840b 221
Kojto 110:165afa46840b 222 /** \ingroup CMSIS_core_register
Kojto 110:165afa46840b 223 \defgroup CMSIS_CORE Status and Control Registers
Kojto 110:165afa46840b 224 \brief Core Register type definitions.
Kojto 110:165afa46840b 225 @{
Kojto 110:165afa46840b 226 */
Kojto 110:165afa46840b 227
Kojto 110:165afa46840b 228 /** \brief Union type to access the Application Program Status Register (APSR).
Kojto 110:165afa46840b 229 */
Kojto 110:165afa46840b 230 typedef union
Kojto 110:165afa46840b 231 {
Kojto 110:165afa46840b 232 struct
Kojto 110:165afa46840b 233 {
Kojto 110:165afa46840b 234 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
Kojto 110:165afa46840b 235 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
Kojto 110:165afa46840b 236 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
Kojto 110:165afa46840b 237 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
Kojto 110:165afa46840b 238 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
Kojto 110:165afa46840b 239 } b; /*!< Structure used for bit access */
Kojto 110:165afa46840b 240 uint32_t w; /*!< Type used for word access */
Kojto 110:165afa46840b 241 } APSR_Type;
Kojto 110:165afa46840b 242
Kojto 110:165afa46840b 243 /* APSR Register Definitions */
Kojto 110:165afa46840b 244 #define APSR_N_Pos 31 /*!< APSR: N Position */
Kojto 110:165afa46840b 245 #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
Kojto 110:165afa46840b 246
Kojto 110:165afa46840b 247 #define APSR_Z_Pos 30 /*!< APSR: Z Position */
Kojto 110:165afa46840b 248 #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
Kojto 110:165afa46840b 249
Kojto 110:165afa46840b 250 #define APSR_C_Pos 29 /*!< APSR: C Position */
Kojto 110:165afa46840b 251 #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
Kojto 110:165afa46840b 252
Kojto 110:165afa46840b 253 #define APSR_V_Pos 28 /*!< APSR: V Position */
Kojto 110:165afa46840b 254 #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
Kojto 110:165afa46840b 255
Kojto 110:165afa46840b 256
Kojto 110:165afa46840b 257 /** \brief Union type to access the Interrupt Program Status Register (IPSR).
Kojto 110:165afa46840b 258 */
Kojto 110:165afa46840b 259 typedef union
Kojto 110:165afa46840b 260 {
Kojto 110:165afa46840b 261 struct
Kojto 110:165afa46840b 262 {
Kojto 110:165afa46840b 263 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
Kojto 110:165afa46840b 264 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
Kojto 110:165afa46840b 265 } b; /*!< Structure used for bit access */
Kojto 110:165afa46840b 266 uint32_t w; /*!< Type used for word access */
Kojto 110:165afa46840b 267 } IPSR_Type;
Kojto 110:165afa46840b 268
Kojto 110:165afa46840b 269 /* IPSR Register Definitions */
Kojto 110:165afa46840b 270 #define IPSR_ISR_Pos 0 /*!< IPSR: ISR Position */
Kojto 110:165afa46840b 271 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
Kojto 110:165afa46840b 272
Kojto 110:165afa46840b 273
Kojto 110:165afa46840b 274 /** \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
Kojto 110:165afa46840b 275 */
Kojto 110:165afa46840b 276 typedef union
Kojto 110:165afa46840b 277 {
Kojto 110:165afa46840b 278 struct
Kojto 110:165afa46840b 279 {
Kojto 110:165afa46840b 280 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
Kojto 110:165afa46840b 281 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
Kojto 110:165afa46840b 282 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
Kojto 110:165afa46840b 283 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
Kojto 110:165afa46840b 284 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
Kojto 110:165afa46840b 285 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
Kojto 110:165afa46840b 286 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
Kojto 110:165afa46840b 287 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
Kojto 110:165afa46840b 288 } b; /*!< Structure used for bit access */
Kojto 110:165afa46840b 289 uint32_t w; /*!< Type used for word access */
Kojto 110:165afa46840b 290 } xPSR_Type;
Kojto 110:165afa46840b 291
Kojto 110:165afa46840b 292 /* xPSR Register Definitions */
Kojto 110:165afa46840b 293 #define xPSR_N_Pos 31 /*!< xPSR: N Position */
Kojto 110:165afa46840b 294 #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
Kojto 110:165afa46840b 295
Kojto 110:165afa46840b 296 #define xPSR_Z_Pos 30 /*!< xPSR: Z Position */
Kojto 110:165afa46840b 297 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
Kojto 110:165afa46840b 298
Kojto 110:165afa46840b 299 #define xPSR_C_Pos 29 /*!< xPSR: C Position */
Kojto 110:165afa46840b 300 #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
Kojto 110:165afa46840b 301
Kojto 110:165afa46840b 302 #define xPSR_V_Pos 28 /*!< xPSR: V Position */
Kojto 110:165afa46840b 303 #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
Kojto 110:165afa46840b 304
Kojto 110:165afa46840b 305 #define xPSR_T_Pos 24 /*!< xPSR: T Position */
Kojto 110:165afa46840b 306 #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
Kojto 110:165afa46840b 307
Kojto 110:165afa46840b 308 #define xPSR_ISR_Pos 0 /*!< xPSR: ISR Position */
Kojto 110:165afa46840b 309 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
Kojto 110:165afa46840b 310
Kojto 110:165afa46840b 311
Kojto 110:165afa46840b 312 /** \brief Union type to access the Control Registers (CONTROL).
Kojto 110:165afa46840b 313 */
Kojto 110:165afa46840b 314 typedef union
Kojto 110:165afa46840b 315 {
Kojto 110:165afa46840b 316 struct
Kojto 110:165afa46840b 317 {
Kojto 110:165afa46840b 318 uint32_t _reserved0:1; /*!< bit: 0 Reserved */
Kojto 110:165afa46840b 319 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
Kojto 110:165afa46840b 320 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
Kojto 110:165afa46840b 321 } b; /*!< Structure used for bit access */
Kojto 110:165afa46840b 322 uint32_t w; /*!< Type used for word access */
Kojto 110:165afa46840b 323 } CONTROL_Type;
Kojto 110:165afa46840b 324
Kojto 110:165afa46840b 325 /* CONTROL Register Definitions */
Kojto 110:165afa46840b 326 #define CONTROL_SPSEL_Pos 1 /*!< CONTROL: SPSEL Position */
Kojto 110:165afa46840b 327 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
Kojto 110:165afa46840b 328
Kojto 110:165afa46840b 329 /*@} end of group CMSIS_CORE */
Kojto 110:165afa46840b 330
Kojto 110:165afa46840b 331
Kojto 110:165afa46840b 332 /** \ingroup CMSIS_core_register
Kojto 110:165afa46840b 333 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
Kojto 110:165afa46840b 334 \brief Type definitions for the NVIC Registers
Kojto 110:165afa46840b 335 @{
Kojto 110:165afa46840b 336 */
Kojto 110:165afa46840b 337
Kojto 110:165afa46840b 338 /** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
Kojto 110:165afa46840b 339 */
Kojto 110:165afa46840b 340 typedef struct
Kojto 110:165afa46840b 341 {
Kojto 110:165afa46840b 342 __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
Kojto 110:165afa46840b 343 uint32_t RESERVED0[31];
Kojto 110:165afa46840b 344 __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
Kojto 110:165afa46840b 345 uint32_t RSERVED1[31];
Kojto 110:165afa46840b 346 __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
Kojto 110:165afa46840b 347 uint32_t RESERVED2[31];
Kojto 110:165afa46840b 348 __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
Kojto 110:165afa46840b 349 uint32_t RESERVED3[31];
Kojto 110:165afa46840b 350 uint32_t RESERVED4[64];
Kojto 110:165afa46840b 351 __IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
Kojto 110:165afa46840b 352 } NVIC_Type;
Kojto 110:165afa46840b 353
Kojto 110:165afa46840b 354 /*@} end of group CMSIS_NVIC */
Kojto 110:165afa46840b 355
Kojto 110:165afa46840b 356
Kojto 110:165afa46840b 357 /** \ingroup CMSIS_core_register
Kojto 110:165afa46840b 358 \defgroup CMSIS_SCB System Control Block (SCB)
Kojto 110:165afa46840b 359 \brief Type definitions for the System Control Block Registers
Kojto 110:165afa46840b 360 @{
Kojto 110:165afa46840b 361 */
Kojto 110:165afa46840b 362
Kojto 110:165afa46840b 363 /** \brief Structure type to access the System Control Block (SCB).
Kojto 110:165afa46840b 364 */
Kojto 110:165afa46840b 365 typedef struct
Kojto 110:165afa46840b 366 {
Kojto 110:165afa46840b 367 __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
Kojto 110:165afa46840b 368 __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
Kojto 110:165afa46840b 369 __IO uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */
Kojto 110:165afa46840b 370 __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
Kojto 110:165afa46840b 371 __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
Kojto 110:165afa46840b 372 __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
Kojto 110:165afa46840b 373 uint32_t RESERVED0[1];
Kojto 110:165afa46840b 374 __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
Kojto 110:165afa46840b 375 __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
Kojto 110:165afa46840b 376 uint32_t RESERVED1[154];
Kojto 110:165afa46840b 377 __IO uint32_t SFCR; /*!< Offset: 0x290 (R/W) Security Features Control Register */
Kojto 110:165afa46840b 378 } SCB_Type;
Kojto 110:165afa46840b 379
Kojto 110:165afa46840b 380 /* SCB CPUID Register Definitions */
Kojto 110:165afa46840b 381 #define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */
Kojto 110:165afa46840b 382 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
Kojto 110:165afa46840b 383
Kojto 110:165afa46840b 384 #define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */
Kojto 110:165afa46840b 385 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
Kojto 110:165afa46840b 386
Kojto 110:165afa46840b 387 #define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */
Kojto 110:165afa46840b 388 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
Kojto 110:165afa46840b 389
Kojto 110:165afa46840b 390 #define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */
Kojto 110:165afa46840b 391 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
Kojto 110:165afa46840b 392
Kojto 110:165afa46840b 393 #define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */
Kojto 110:165afa46840b 394 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */
Kojto 110:165afa46840b 395
Kojto 110:165afa46840b 396 /* SCB Interrupt Control State Register Definitions */
Kojto 110:165afa46840b 397 #define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */
Kojto 110:165afa46840b 398 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
Kojto 110:165afa46840b 399
Kojto 110:165afa46840b 400 #define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */
Kojto 110:165afa46840b 401 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
Kojto 110:165afa46840b 402
Kojto 110:165afa46840b 403 #define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */
Kojto 110:165afa46840b 404 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
Kojto 110:165afa46840b 405
Kojto 110:165afa46840b 406 #define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */
Kojto 110:165afa46840b 407 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
Kojto 110:165afa46840b 408
Kojto 110:165afa46840b 409 #define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */
Kojto 110:165afa46840b 410 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
Kojto 110:165afa46840b 411
Kojto 110:165afa46840b 412 #define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */
Kojto 110:165afa46840b 413 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
Kojto 110:165afa46840b 414
Kojto 110:165afa46840b 415 #define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */
Kojto 110:165afa46840b 416 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
Kojto 110:165afa46840b 417
Kojto 110:165afa46840b 418 #define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */
Kojto 110:165afa46840b 419 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
Kojto 110:165afa46840b 420
Kojto 110:165afa46840b 421 #define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */
Kojto 110:165afa46840b 422 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */
Kojto 110:165afa46840b 423
Kojto 110:165afa46840b 424 /* SCB Interrupt Control State Register Definitions */
Kojto 110:165afa46840b 425 #define SCB_VTOR_TBLOFF_Pos 7 /*!< SCB VTOR: TBLOFF Position */
Kojto 110:165afa46840b 426 #define SCB_VTOR_TBLOFF_Msk (0x1FFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */
Kojto 110:165afa46840b 427
Kojto 110:165afa46840b 428 /* SCB Application Interrupt and Reset Control Register Definitions */
Kojto 110:165afa46840b 429 #define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */
Kojto 110:165afa46840b 430 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
Kojto 110:165afa46840b 431
Kojto 110:165afa46840b 432 #define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */
Kojto 110:165afa46840b 433 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
Kojto 110:165afa46840b 434
Kojto 110:165afa46840b 435 #define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */
Kojto 110:165afa46840b 436 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
Kojto 110:165afa46840b 437
Kojto 110:165afa46840b 438 #define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */
Kojto 110:165afa46840b 439 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
Kojto 110:165afa46840b 440
Kojto 110:165afa46840b 441 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */
Kojto 110:165afa46840b 442 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
Kojto 110:165afa46840b 443
Kojto 110:165afa46840b 444 /* SCB System Control Register Definitions */
Kojto 110:165afa46840b 445 #define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */
Kojto 110:165afa46840b 446 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
Kojto 110:165afa46840b 447
Kojto 110:165afa46840b 448 #define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */
Kojto 110:165afa46840b 449 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
Kojto 110:165afa46840b 450
Kojto 110:165afa46840b 451 #define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */
Kojto 110:165afa46840b 452 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
Kojto 110:165afa46840b 453
Kojto 110:165afa46840b 454 /* SCB Configuration Control Register Definitions */
Kojto 110:165afa46840b 455 #define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */
Kojto 110:165afa46840b 456 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
Kojto 110:165afa46840b 457
Kojto 110:165afa46840b 458 #define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */
Kojto 110:165afa46840b 459 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
Kojto 110:165afa46840b 460
Kojto 110:165afa46840b 461 /* SCB System Handler Control and State Register Definitions */
Kojto 110:165afa46840b 462 #define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
Kojto 110:165afa46840b 463 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
Kojto 110:165afa46840b 464
Kojto 110:165afa46840b 465 /*@} end of group CMSIS_SCB */
Kojto 110:165afa46840b 466
Kojto 110:165afa46840b 467
Kojto 110:165afa46840b 468 /** \ingroup CMSIS_core_register
Kojto 110:165afa46840b 469 \defgroup CMSIS_SCnSCB System Controls not in SCB (SCnSCB)
Kojto 110:165afa46840b 470 \brief Type definitions for the System Control and ID Register not in the SCB
Kojto 110:165afa46840b 471 @{
Kojto 110:165afa46840b 472 */
Kojto 110:165afa46840b 473
Kojto 110:165afa46840b 474 /** \brief Structure type to access the System Control and ID Register not in the SCB.
Kojto 110:165afa46840b 475 */
Kojto 110:165afa46840b 476 typedef struct
Kojto 110:165afa46840b 477 {
Kojto 110:165afa46840b 478 uint32_t RESERVED0[2];
Kojto 110:165afa46840b 479 __IO uint32_t ACTLR; /*!< Offset: 0x008 (R/W) Auxiliary Control Register */
Kojto 110:165afa46840b 480 } SCnSCB_Type;
Kojto 110:165afa46840b 481
Kojto 110:165afa46840b 482 /* Auxiliary Control Register Definitions */
Kojto 110:165afa46840b 483 #define SCnSCB_ACTLR_DISMCYCINT_Pos 0 /*!< ACTLR: DISMCYCINT Position */
Kojto 110:165afa46840b 484 #define SCnSCB_ACTLR_DISMCYCINT_Msk (1UL /*<< SCnSCB_ACTLR_DISMCYCINT_Pos*/) /*!< ACTLR: DISMCYCINT Mask */
Kojto 110:165afa46840b 485
Kojto 110:165afa46840b 486 /*@} end of group CMSIS_SCnotSCB */
Kojto 110:165afa46840b 487
Kojto 110:165afa46840b 488
Kojto 110:165afa46840b 489 /** \ingroup CMSIS_core_register
Kojto 110:165afa46840b 490 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
Kojto 110:165afa46840b 491 \brief Type definitions for the System Timer Registers.
Kojto 110:165afa46840b 492 @{
Kojto 110:165afa46840b 493 */
Kojto 110:165afa46840b 494
Kojto 110:165afa46840b 495 /** \brief Structure type to access the System Timer (SysTick).
Kojto 110:165afa46840b 496 */
Kojto 110:165afa46840b 497 typedef struct
Kojto 110:165afa46840b 498 {
Kojto 110:165afa46840b 499 __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
Kojto 110:165afa46840b 500 __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
Kojto 110:165afa46840b 501 __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
Kojto 110:165afa46840b 502 __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
Kojto 110:165afa46840b 503 } SysTick_Type;
Kojto 110:165afa46840b 504
Kojto 110:165afa46840b 505 /* SysTick Control / Status Register Definitions */
Kojto 110:165afa46840b 506 #define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */
Kojto 110:165afa46840b 507 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
Kojto 110:165afa46840b 508
Kojto 110:165afa46840b 509 #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */
Kojto 110:165afa46840b 510 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
Kojto 110:165afa46840b 511
Kojto 110:165afa46840b 512 #define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */
Kojto 110:165afa46840b 513 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
Kojto 110:165afa46840b 514
Kojto 110:165afa46840b 515 #define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */
Kojto 110:165afa46840b 516 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */
Kojto 110:165afa46840b 517
Kojto 110:165afa46840b 518 /* SysTick Reload Register Definitions */
Kojto 110:165afa46840b 519 #define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */
Kojto 110:165afa46840b 520 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */
Kojto 110:165afa46840b 521
Kojto 110:165afa46840b 522 /* SysTick Current Register Definitions */
Kojto 110:165afa46840b 523 #define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */
Kojto 110:165afa46840b 524 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */
Kojto 110:165afa46840b 525
Kojto 110:165afa46840b 526 /* SysTick Calibration Register Definitions */
Kojto 110:165afa46840b 527 #define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */
Kojto 110:165afa46840b 528 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
Kojto 110:165afa46840b 529
Kojto 110:165afa46840b 530 #define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */
Kojto 110:165afa46840b 531 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
Kojto 110:165afa46840b 532
Kojto 110:165afa46840b 533 #define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */
Kojto 110:165afa46840b 534 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
Kojto 110:165afa46840b 535
Kojto 110:165afa46840b 536 /*@} end of group CMSIS_SysTick */
Kojto 110:165afa46840b 537
Kojto 110:165afa46840b 538 #if (__MPU_PRESENT == 1)
Kojto 110:165afa46840b 539 /** \ingroup CMSIS_core_register
Kojto 110:165afa46840b 540 \defgroup CMSIS_MPU Memory Protection Unit (MPU)
Kojto 110:165afa46840b 541 \brief Type definitions for the Memory Protection Unit (MPU)
Kojto 110:165afa46840b 542 @{
Kojto 110:165afa46840b 543 */
Kojto 110:165afa46840b 544
Kojto 110:165afa46840b 545 /** \brief Structure type to access the Memory Protection Unit (MPU).
Kojto 110:165afa46840b 546 */
Kojto 110:165afa46840b 547 typedef struct
Kojto 110:165afa46840b 548 {
Kojto 110:165afa46840b 549 __I uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */
Kojto 110:165afa46840b 550 __IO uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */
Kojto 110:165afa46840b 551 __IO uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */
Kojto 110:165afa46840b 552 __IO uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */
Kojto 110:165afa46840b 553 __IO uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */
Kojto 110:165afa46840b 554 } MPU_Type;
Kojto 110:165afa46840b 555
Kojto 110:165afa46840b 556 /* MPU Type Register */
Kojto 110:165afa46840b 557 #define MPU_TYPE_IREGION_Pos 16 /*!< MPU TYPE: IREGION Position */
Kojto 110:165afa46840b 558 #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */
Kojto 110:165afa46840b 559
Kojto 110:165afa46840b 560 #define MPU_TYPE_DREGION_Pos 8 /*!< MPU TYPE: DREGION Position */
Kojto 110:165afa46840b 561 #define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */
Kojto 110:165afa46840b 562
Kojto 110:165afa46840b 563 #define MPU_TYPE_SEPARATE_Pos 0 /*!< MPU TYPE: SEPARATE Position */
Kojto 110:165afa46840b 564 #define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/) /*!< MPU TYPE: SEPARATE Mask */
Kojto 110:165afa46840b 565
Kojto 110:165afa46840b 566 /* MPU Control Register */
Kojto 110:165afa46840b 567 #define MPU_CTRL_PRIVDEFENA_Pos 2 /*!< MPU CTRL: PRIVDEFENA Position */
Kojto 110:165afa46840b 568 #define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */
Kojto 110:165afa46840b 569
Kojto 110:165afa46840b 570 #define MPU_CTRL_HFNMIENA_Pos 1 /*!< MPU CTRL: HFNMIENA Position */
Kojto 110:165afa46840b 571 #define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */
Kojto 110:165afa46840b 572
Kojto 110:165afa46840b 573 #define MPU_CTRL_ENABLE_Pos 0 /*!< MPU CTRL: ENABLE Position */
Kojto 110:165afa46840b 574 #define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/) /*!< MPU CTRL: ENABLE Mask */
Kojto 110:165afa46840b 575
Kojto 110:165afa46840b 576 /* MPU Region Number Register */
Kojto 110:165afa46840b 577 #define MPU_RNR_REGION_Pos 0 /*!< MPU RNR: REGION Position */
Kojto 110:165afa46840b 578 #define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/) /*!< MPU RNR: REGION Mask */
Kojto 110:165afa46840b 579
Kojto 110:165afa46840b 580 /* MPU Region Base Address Register */
Kojto 110:165afa46840b 581 #define MPU_RBAR_ADDR_Pos 8 /*!< MPU RBAR: ADDR Position */
Kojto 110:165afa46840b 582 #define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */
Kojto 110:165afa46840b 583
Kojto 110:165afa46840b 584 #define MPU_RBAR_VALID_Pos 4 /*!< MPU RBAR: VALID Position */
Kojto 110:165afa46840b 585 #define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */
Kojto 110:165afa46840b 586
Kojto 110:165afa46840b 587 #define MPU_RBAR_REGION_Pos 0 /*!< MPU RBAR: REGION Position */
Kojto 110:165afa46840b 588 #define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/) /*!< MPU RBAR: REGION Mask */
Kojto 110:165afa46840b 589
Kojto 110:165afa46840b 590 /* MPU Region Attribute and Size Register */
Kojto 110:165afa46840b 591 #define MPU_RASR_ATTRS_Pos 16 /*!< MPU RASR: MPU Region Attribute field Position */
Kojto 110:165afa46840b 592 #define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */
Kojto 110:165afa46840b 593
Kojto 110:165afa46840b 594 #define MPU_RASR_XN_Pos 28 /*!< MPU RASR: ATTRS.XN Position */
Kojto 110:165afa46840b 595 #define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */
Kojto 110:165afa46840b 596
Kojto 110:165afa46840b 597 #define MPU_RASR_AP_Pos 24 /*!< MPU RASR: ATTRS.AP Position */
Kojto 110:165afa46840b 598 #define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */
Kojto 110:165afa46840b 599
Kojto 110:165afa46840b 600 #define MPU_RASR_TEX_Pos 19 /*!< MPU RASR: ATTRS.TEX Position */
Kojto 110:165afa46840b 601 #define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */
Kojto 110:165afa46840b 602
Kojto 110:165afa46840b 603 #define MPU_RASR_S_Pos 18 /*!< MPU RASR: ATTRS.S Position */
Kojto 110:165afa46840b 604 #define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */
Kojto 110:165afa46840b 605
Kojto 110:165afa46840b 606 #define MPU_RASR_C_Pos 17 /*!< MPU RASR: ATTRS.C Position */
Kojto 110:165afa46840b 607 #define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */
Kojto 110:165afa46840b 608
Kojto 110:165afa46840b 609 #define MPU_RASR_B_Pos 16 /*!< MPU RASR: ATTRS.B Position */
Kojto 110:165afa46840b 610 #define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */
Kojto 110:165afa46840b 611
Kojto 110:165afa46840b 612 #define MPU_RASR_SRD_Pos 8 /*!< MPU RASR: Sub-Region Disable Position */
Kojto 110:165afa46840b 613 #define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */
Kojto 110:165afa46840b 614
Kojto 110:165afa46840b 615 #define MPU_RASR_SIZE_Pos 1 /*!< MPU RASR: Region Size Field Position */
Kojto 110:165afa46840b 616 #define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */
Kojto 110:165afa46840b 617
Kojto 110:165afa46840b 618 #define MPU_RASR_ENABLE_Pos 0 /*!< MPU RASR: Region enable bit Position */
Kojto 110:165afa46840b 619 #define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/) /*!< MPU RASR: Region enable bit Disable Mask */
Kojto 110:165afa46840b 620
Kojto 110:165afa46840b 621 /*@} end of group CMSIS_MPU */
Kojto 110:165afa46840b 622 #endif
Kojto 110:165afa46840b 623
Kojto 110:165afa46840b 624
Kojto 110:165afa46840b 625 /** \ingroup CMSIS_core_register
Kojto 110:165afa46840b 626 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
Kojto 110:165afa46840b 627 \brief SC000 Core Debug Registers (DCB registers, SHCSR, and DFSR)
Kojto 110:165afa46840b 628 are only accessible over DAP and not via processor. Therefore
Kojto 110:165afa46840b 629 they are not covered by the Cortex-M0 header file.
Kojto 110:165afa46840b 630 @{
Kojto 110:165afa46840b 631 */
Kojto 110:165afa46840b 632 /*@} end of group CMSIS_CoreDebug */
Kojto 110:165afa46840b 633
Kojto 110:165afa46840b 634
Kojto 110:165afa46840b 635 /** \ingroup CMSIS_core_register
Kojto 110:165afa46840b 636 \defgroup CMSIS_core_base Core Definitions
Kojto 110:165afa46840b 637 \brief Definitions for base addresses, unions, and structures.
Kojto 110:165afa46840b 638 @{
Kojto 110:165afa46840b 639 */
Kojto 110:165afa46840b 640
Kojto 110:165afa46840b 641 /* Memory mapping of SC000 Hardware */
Kojto 110:165afa46840b 642 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
Kojto 110:165afa46840b 643 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
Kojto 110:165afa46840b 644 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
Kojto 110:165afa46840b 645 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
Kojto 110:165afa46840b 646
Kojto 110:165afa46840b 647 #define SCnSCB ((SCnSCB_Type *) SCS_BASE ) /*!< System control Register not in SCB */
Kojto 110:165afa46840b 648 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
Kojto 110:165afa46840b 649 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
Kojto 110:165afa46840b 650 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
Kojto 110:165afa46840b 651
Kojto 110:165afa46840b 652 #if (__MPU_PRESENT == 1)
Kojto 110:165afa46840b 653 #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */
Kojto 110:165afa46840b 654 #define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */
Kojto 110:165afa46840b 655 #endif
Kojto 110:165afa46840b 656
Kojto 110:165afa46840b 657 /*@} */
Kojto 110:165afa46840b 658
Kojto 110:165afa46840b 659
Kojto 110:165afa46840b 660
Kojto 110:165afa46840b 661 /*******************************************************************************
Kojto 110:165afa46840b 662 * Hardware Abstraction Layer
Kojto 110:165afa46840b 663 Core Function Interface contains:
Kojto 110:165afa46840b 664 - Core NVIC Functions
Kojto 110:165afa46840b 665 - Core SysTick Functions
Kojto 110:165afa46840b 666 - Core Register Access Functions
Kojto 110:165afa46840b 667 ******************************************************************************/
Kojto 110:165afa46840b 668 /** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
Kojto 110:165afa46840b 669 */
Kojto 110:165afa46840b 670
Kojto 110:165afa46840b 671
Kojto 110:165afa46840b 672
Kojto 110:165afa46840b 673 /* ########################## NVIC functions #################################### */
Kojto 110:165afa46840b 674 /** \ingroup CMSIS_Core_FunctionInterface
Kojto 110:165afa46840b 675 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
Kojto 110:165afa46840b 676 \brief Functions that manage interrupts and exceptions via the NVIC.
Kojto 110:165afa46840b 677 @{
Kojto 110:165afa46840b 678 */
Kojto 110:165afa46840b 679
Kojto 110:165afa46840b 680 /* Interrupt Priorities are WORD accessible only under ARMv6M */
Kojto 110:165afa46840b 681 /* The following MACROS handle generation of the register offset and byte masks */
Kojto 110:165afa46840b 682 #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
Kojto 110:165afa46840b 683 #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
Kojto 110:165afa46840b 684 #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
Kojto 110:165afa46840b 685
Kojto 110:165afa46840b 686
Kojto 110:165afa46840b 687 /** \brief Enable External Interrupt
Kojto 110:165afa46840b 688
Kojto 110:165afa46840b 689 The function enables a device-specific interrupt in the NVIC interrupt controller.
Kojto 110:165afa46840b 690
Kojto 110:165afa46840b 691 \param [in] IRQn External interrupt number. Value cannot be negative.
Kojto 110:165afa46840b 692 */
Kojto 110:165afa46840b 693 __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
Kojto 110:165afa46840b 694 {
Kojto 110:165afa46840b 695 NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 110:165afa46840b 696 }
Kojto 110:165afa46840b 697
Kojto 110:165afa46840b 698
Kojto 110:165afa46840b 699 /** \brief Disable External Interrupt
Kojto 110:165afa46840b 700
Kojto 110:165afa46840b 701 The function disables a device-specific interrupt in the NVIC interrupt controller.
Kojto 110:165afa46840b 702
Kojto 110:165afa46840b 703 \param [in] IRQn External interrupt number. Value cannot be negative.
Kojto 110:165afa46840b 704 */
Kojto 110:165afa46840b 705 __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
Kojto 110:165afa46840b 706 {
Kojto 110:165afa46840b 707 NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
<> 131:faff56e089b2 708 __DSB();
<> 131:faff56e089b2 709 __ISB();
Kojto 110:165afa46840b 710 }
Kojto 110:165afa46840b 711
Kojto 110:165afa46840b 712
Kojto 110:165afa46840b 713 /** \brief Get Pending Interrupt
Kojto 110:165afa46840b 714
Kojto 110:165afa46840b 715 The function reads the pending register in the NVIC and returns the pending bit
Kojto 110:165afa46840b 716 for the specified interrupt.
Kojto 110:165afa46840b 717
Kojto 110:165afa46840b 718 \param [in] IRQn Interrupt number.
Kojto 110:165afa46840b 719
Kojto 110:165afa46840b 720 \return 0 Interrupt status is not pending.
Kojto 110:165afa46840b 721 \return 1 Interrupt status is pending.
Kojto 110:165afa46840b 722 */
Kojto 110:165afa46840b 723 __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
Kojto 110:165afa46840b 724 {
Kojto 110:165afa46840b 725 return((uint32_t)(((NVIC->ISPR[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
Kojto 110:165afa46840b 726 }
Kojto 110:165afa46840b 727
Kojto 110:165afa46840b 728
Kojto 110:165afa46840b 729 /** \brief Set Pending Interrupt
Kojto 110:165afa46840b 730
Kojto 110:165afa46840b 731 The function sets the pending bit of an external interrupt.
Kojto 110:165afa46840b 732
Kojto 110:165afa46840b 733 \param [in] IRQn Interrupt number. Value cannot be negative.
Kojto 110:165afa46840b 734 */
Kojto 110:165afa46840b 735 __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
Kojto 110:165afa46840b 736 {
Kojto 110:165afa46840b 737 NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 110:165afa46840b 738 }
Kojto 110:165afa46840b 739
Kojto 110:165afa46840b 740
Kojto 110:165afa46840b 741 /** \brief Clear Pending Interrupt
Kojto 110:165afa46840b 742
Kojto 110:165afa46840b 743 The function clears the pending bit of an external interrupt.
Kojto 110:165afa46840b 744
Kojto 110:165afa46840b 745 \param [in] IRQn External interrupt number. Value cannot be negative.
Kojto 110:165afa46840b 746 */
Kojto 110:165afa46840b 747 __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
Kojto 110:165afa46840b 748 {
Kojto 110:165afa46840b 749 NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 110:165afa46840b 750 }
Kojto 110:165afa46840b 751
Kojto 110:165afa46840b 752
Kojto 110:165afa46840b 753 /** \brief Set Interrupt Priority
Kojto 110:165afa46840b 754
Kojto 110:165afa46840b 755 The function sets the priority of an interrupt.
Kojto 110:165afa46840b 756
Kojto 110:165afa46840b 757 \note The priority cannot be set for every core interrupt.
Kojto 110:165afa46840b 758
Kojto 110:165afa46840b 759 \param [in] IRQn Interrupt number.
Kojto 110:165afa46840b 760 \param [in] priority Priority to set.
Kojto 110:165afa46840b 761 */
Kojto 110:165afa46840b 762 __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
Kojto 110:165afa46840b 763 {
Kojto 110:165afa46840b 764 if((int32_t)(IRQn) < 0) {
Kojto 110:165afa46840b 765 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
Kojto 110:165afa46840b 766 (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
Kojto 110:165afa46840b 767 }
Kojto 110:165afa46840b 768 else {
Kojto 110:165afa46840b 769 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
Kojto 110:165afa46840b 770 (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
Kojto 110:165afa46840b 771 }
Kojto 110:165afa46840b 772 }
Kojto 110:165afa46840b 773
Kojto 110:165afa46840b 774
Kojto 110:165afa46840b 775 /** \brief Get Interrupt Priority
Kojto 110:165afa46840b 776
Kojto 110:165afa46840b 777 The function reads the priority of an interrupt. The interrupt
Kojto 110:165afa46840b 778 number can be positive to specify an external (device specific)
Kojto 110:165afa46840b 779 interrupt, or negative to specify an internal (core) interrupt.
Kojto 110:165afa46840b 780
Kojto 110:165afa46840b 781
Kojto 110:165afa46840b 782 \param [in] IRQn Interrupt number.
Kojto 110:165afa46840b 783 \return Interrupt Priority. Value is aligned automatically to the implemented
Kojto 110:165afa46840b 784 priority bits of the microcontroller.
Kojto 110:165afa46840b 785 */
Kojto 110:165afa46840b 786 __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
Kojto 110:165afa46840b 787 {
Kojto 110:165afa46840b 788
Kojto 110:165afa46840b 789 if((int32_t)(IRQn) < 0) {
Kojto 110:165afa46840b 790 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
Kojto 110:165afa46840b 791 }
Kojto 110:165afa46840b 792 else {
Kojto 110:165afa46840b 793 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
Kojto 110:165afa46840b 794 }
Kojto 110:165afa46840b 795 }
Kojto 110:165afa46840b 796
Kojto 110:165afa46840b 797
Kojto 110:165afa46840b 798 /** \brief System Reset
Kojto 110:165afa46840b 799
Kojto 110:165afa46840b 800 The function initiates a system reset request to reset the MCU.
Kojto 110:165afa46840b 801 */
Kojto 110:165afa46840b 802 __STATIC_INLINE void NVIC_SystemReset(void)
Kojto 110:165afa46840b 803 {
Kojto 110:165afa46840b 804 __DSB(); /* Ensure all outstanding memory accesses included
Kojto 110:165afa46840b 805 buffered write are completed before reset */
Kojto 110:165afa46840b 806 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
Kojto 110:165afa46840b 807 SCB_AIRCR_SYSRESETREQ_Msk);
Kojto 110:165afa46840b 808 __DSB(); /* Ensure completion of memory access */
Kojto 110:165afa46840b 809 while(1) { __NOP(); } /* wait until reset */
Kojto 110:165afa46840b 810 }
Kojto 110:165afa46840b 811
Kojto 110:165afa46840b 812 /*@} end of CMSIS_Core_NVICFunctions */
Kojto 110:165afa46840b 813
Kojto 110:165afa46840b 814
Kojto 110:165afa46840b 815
Kojto 110:165afa46840b 816 /* ################################## SysTick function ############################################ */
Kojto 110:165afa46840b 817 /** \ingroup CMSIS_Core_FunctionInterface
Kojto 110:165afa46840b 818 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
Kojto 110:165afa46840b 819 \brief Functions that configure the System.
Kojto 110:165afa46840b 820 @{
Kojto 110:165afa46840b 821 */
Kojto 110:165afa46840b 822
Kojto 110:165afa46840b 823 #if (__Vendor_SysTickConfig == 0)
Kojto 110:165afa46840b 824
Kojto 110:165afa46840b 825 /** \brief System Tick Configuration
Kojto 110:165afa46840b 826
Kojto 110:165afa46840b 827 The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
Kojto 110:165afa46840b 828 Counter is in free running mode to generate periodic interrupts.
Kojto 110:165afa46840b 829
Kojto 110:165afa46840b 830 \param [in] ticks Number of ticks between two interrupts.
Kojto 110:165afa46840b 831
Kojto 110:165afa46840b 832 \return 0 Function succeeded.
Kojto 110:165afa46840b 833 \return 1 Function failed.
Kojto 110:165afa46840b 834
Kojto 110:165afa46840b 835 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
Kojto 110:165afa46840b 836 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
Kojto 110:165afa46840b 837 must contain a vendor-specific implementation of this function.
Kojto 110:165afa46840b 838
Kojto 110:165afa46840b 839 */
Kojto 110:165afa46840b 840 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
Kojto 110:165afa46840b 841 {
Kojto 110:165afa46840b 842 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) {return (1UL);} /* Reload value impossible */
Kojto 110:165afa46840b 843
Kojto 110:165afa46840b 844 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
Kojto 110:165afa46840b 845 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
Kojto 110:165afa46840b 846 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
Kojto 110:165afa46840b 847 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
Kojto 110:165afa46840b 848 SysTick_CTRL_TICKINT_Msk |
Kojto 110:165afa46840b 849 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
Kojto 110:165afa46840b 850 return (0UL); /* Function successful */
Kojto 110:165afa46840b 851 }
Kojto 110:165afa46840b 852
Kojto 110:165afa46840b 853 #endif
Kojto 110:165afa46840b 854
Kojto 110:165afa46840b 855 /*@} end of CMSIS_Core_SysTickFunctions */
Kojto 110:165afa46840b 856
Kojto 110:165afa46840b 857
Kojto 110:165afa46840b 858
Kojto 110:165afa46840b 859
Kojto 110:165afa46840b 860 #ifdef __cplusplus
Kojto 110:165afa46840b 861 }
Kojto 110:165afa46840b 862 #endif
Kojto 110:165afa46840b 863
Kojto 110:165afa46840b 864 #endif /* __CORE_SC000_H_DEPENDANT */
Kojto 110:165afa46840b 865
Kojto 110:165afa46840b 866 #endif /* __CMSIS_GENERIC */