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TARGET_LPC546XX/core_cm0.h@157:e7ca05fa8600, 2017-11-09 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 09 11:14:10 2017 +0000
Revision:
157:e7ca05fa8600
Parent:
153:b484a57bc302
Child:
160:5571c4ff569f
Release 155 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 153:b484a57bc302 1 /**************************************************************************//**
AnnaBridge 153:b484a57bc302 2 * @file core_cm0.h
AnnaBridge 153:b484a57bc302 3 * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File
AnnaBridge 153:b484a57bc302 4 * @version V5.0.2
AnnaBridge 153:b484a57bc302 5 * @date 13. February 2017
AnnaBridge 153:b484a57bc302 6 ******************************************************************************/
AnnaBridge 153:b484a57bc302 7 /*
AnnaBridge 153:b484a57bc302 8 * Copyright (c) 2009-2017 ARM Limited. All rights reserved.
AnnaBridge 153:b484a57bc302 9 *
AnnaBridge 153:b484a57bc302 10 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 153:b484a57bc302 11 *
AnnaBridge 153:b484a57bc302 12 * Licensed under the Apache License, Version 2.0 (the License); you may
AnnaBridge 153:b484a57bc302 13 * not use this file except in compliance with the License.
AnnaBridge 153:b484a57bc302 14 * You may obtain a copy of the License at
AnnaBridge 153:b484a57bc302 15 *
AnnaBridge 153:b484a57bc302 16 * www.apache.org/licenses/LICENSE-2.0
AnnaBridge 153:b484a57bc302 17 *
AnnaBridge 153:b484a57bc302 18 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 153:b484a57bc302 19 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
AnnaBridge 153:b484a57bc302 20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 153:b484a57bc302 21 * See the License for the specific language governing permissions and
AnnaBridge 153:b484a57bc302 22 * limitations under the License.
AnnaBridge 153:b484a57bc302 23 */
AnnaBridge 153:b484a57bc302 24
AnnaBridge 153:b484a57bc302 25 #if defined ( __ICCARM__ )
AnnaBridge 153:b484a57bc302 26 #pragma system_include /* treat file as system include file for MISRA check */
AnnaBridge 153:b484a57bc302 27 #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
AnnaBridge 153:b484a57bc302 28 #pragma clang system_header /* treat file as system include file */
AnnaBridge 153:b484a57bc302 29 #endif
AnnaBridge 153:b484a57bc302 30
AnnaBridge 153:b484a57bc302 31 #ifndef __CORE_CM0_H_GENERIC
AnnaBridge 153:b484a57bc302 32 #define __CORE_CM0_H_GENERIC
AnnaBridge 153:b484a57bc302 33
AnnaBridge 153:b484a57bc302 34 #include <stdint.h>
AnnaBridge 153:b484a57bc302 35
AnnaBridge 153:b484a57bc302 36 #ifdef __cplusplus
AnnaBridge 153:b484a57bc302 37 extern "C" {
AnnaBridge 153:b484a57bc302 38 #endif
AnnaBridge 153:b484a57bc302 39
AnnaBridge 153:b484a57bc302 40 /**
AnnaBridge 153:b484a57bc302 41 \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
AnnaBridge 153:b484a57bc302 42 CMSIS violates the following MISRA-C:2004 rules:
AnnaBridge 153:b484a57bc302 43
AnnaBridge 153:b484a57bc302 44 \li Required Rule 8.5, object/function definition in header file.<br>
AnnaBridge 153:b484a57bc302 45 Function definitions in header files are used to allow 'inlining'.
AnnaBridge 153:b484a57bc302 46
AnnaBridge 153:b484a57bc302 47 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
AnnaBridge 153:b484a57bc302 48 Unions are used for effective representation of core registers.
AnnaBridge 153:b484a57bc302 49
AnnaBridge 153:b484a57bc302 50 \li Advisory Rule 19.7, Function-like macro defined.<br>
AnnaBridge 153:b484a57bc302 51 Function-like macros are used to allow more efficient code.
AnnaBridge 153:b484a57bc302 52 */
AnnaBridge 153:b484a57bc302 53
AnnaBridge 153:b484a57bc302 54
AnnaBridge 153:b484a57bc302 55 /*******************************************************************************
AnnaBridge 153:b484a57bc302 56 * CMSIS definitions
AnnaBridge 153:b484a57bc302 57 ******************************************************************************/
AnnaBridge 153:b484a57bc302 58 /**
AnnaBridge 153:b484a57bc302 59 \ingroup Cortex_M0
AnnaBridge 153:b484a57bc302 60 @{
AnnaBridge 153:b484a57bc302 61 */
AnnaBridge 153:b484a57bc302 62
AnnaBridge 153:b484a57bc302 63 /* CMSIS CM0 definitions */
AnnaBridge 153:b484a57bc302 64 #define __CM0_CMSIS_VERSION_MAIN ( 5U) /*!< [31:16] CMSIS HAL main version */
AnnaBridge 153:b484a57bc302 65 #define __CM0_CMSIS_VERSION_SUB ( 0U) /*!< [15:0] CMSIS HAL sub version */
AnnaBridge 153:b484a57bc302 66 #define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16U) | \
AnnaBridge 153:b484a57bc302 67 __CM0_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */
AnnaBridge 153:b484a57bc302 68
AnnaBridge 153:b484a57bc302 69 #define __CORTEX_M (0U) /*!< Cortex-M Core */
AnnaBridge 153:b484a57bc302 70
AnnaBridge 153:b484a57bc302 71 /** __FPU_USED indicates whether an FPU is used or not.
AnnaBridge 153:b484a57bc302 72 This core does not support an FPU at all
AnnaBridge 153:b484a57bc302 73 */
AnnaBridge 153:b484a57bc302 74 #define __FPU_USED 0U
AnnaBridge 153:b484a57bc302 75
AnnaBridge 153:b484a57bc302 76 #if defined ( __CC_ARM )
AnnaBridge 153:b484a57bc302 77 #if defined __TARGET_FPU_VFP
AnnaBridge 153:b484a57bc302 78 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 153:b484a57bc302 79 #endif
AnnaBridge 153:b484a57bc302 80
AnnaBridge 153:b484a57bc302 81 #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
AnnaBridge 153:b484a57bc302 82 #if defined __ARM_PCS_VFP
AnnaBridge 153:b484a57bc302 83 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 153:b484a57bc302 84 #endif
AnnaBridge 153:b484a57bc302 85
AnnaBridge 153:b484a57bc302 86 #elif defined ( __GNUC__ )
AnnaBridge 153:b484a57bc302 87 #if defined (__VFP_FP__) && !defined(__SOFTFP__)
AnnaBridge 153:b484a57bc302 88 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 153:b484a57bc302 89 #endif
AnnaBridge 153:b484a57bc302 90
AnnaBridge 153:b484a57bc302 91 #elif defined ( __ICCARM__ )
AnnaBridge 153:b484a57bc302 92 #if defined __ARMVFP__
AnnaBridge 153:b484a57bc302 93 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 153:b484a57bc302 94 #endif
AnnaBridge 153:b484a57bc302 95
AnnaBridge 153:b484a57bc302 96 #elif defined ( __TI_ARM__ )
AnnaBridge 153:b484a57bc302 97 #if defined __TI_VFP_SUPPORT__
AnnaBridge 153:b484a57bc302 98 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 153:b484a57bc302 99 #endif
AnnaBridge 153:b484a57bc302 100
AnnaBridge 153:b484a57bc302 101 #elif defined ( __TASKING__ )
AnnaBridge 153:b484a57bc302 102 #if defined __FPU_VFP__
AnnaBridge 153:b484a57bc302 103 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 153:b484a57bc302 104 #endif
AnnaBridge 153:b484a57bc302 105
AnnaBridge 153:b484a57bc302 106 #elif defined ( __CSMC__ )
AnnaBridge 153:b484a57bc302 107 #if ( __CSMC__ & 0x400U)
AnnaBridge 153:b484a57bc302 108 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 153:b484a57bc302 109 #endif
AnnaBridge 153:b484a57bc302 110
AnnaBridge 153:b484a57bc302 111 #endif
AnnaBridge 153:b484a57bc302 112
AnnaBridge 153:b484a57bc302 113 #include "cmsis_compiler.h" /* CMSIS compiler specific defines */
AnnaBridge 153:b484a57bc302 114
AnnaBridge 153:b484a57bc302 115
AnnaBridge 153:b484a57bc302 116 #ifdef __cplusplus
AnnaBridge 153:b484a57bc302 117 }
AnnaBridge 153:b484a57bc302 118 #endif
AnnaBridge 153:b484a57bc302 119
AnnaBridge 153:b484a57bc302 120 #endif /* __CORE_CM0_H_GENERIC */
AnnaBridge 153:b484a57bc302 121
AnnaBridge 153:b484a57bc302 122 #ifndef __CMSIS_GENERIC
AnnaBridge 153:b484a57bc302 123
AnnaBridge 153:b484a57bc302 124 #ifndef __CORE_CM0_H_DEPENDANT
AnnaBridge 153:b484a57bc302 125 #define __CORE_CM0_H_DEPENDANT
AnnaBridge 153:b484a57bc302 126
AnnaBridge 153:b484a57bc302 127 #ifdef __cplusplus
AnnaBridge 153:b484a57bc302 128 extern "C" {
AnnaBridge 153:b484a57bc302 129 #endif
AnnaBridge 153:b484a57bc302 130
AnnaBridge 153:b484a57bc302 131 /* check device defines and use defaults */
AnnaBridge 153:b484a57bc302 132 #if defined __CHECK_DEVICE_DEFINES
AnnaBridge 153:b484a57bc302 133 #ifndef __CM0_REV
AnnaBridge 153:b484a57bc302 134 #define __CM0_REV 0x0000U
AnnaBridge 153:b484a57bc302 135 #warning "__CM0_REV not defined in device header file; using default!"
AnnaBridge 153:b484a57bc302 136 #endif
AnnaBridge 153:b484a57bc302 137
AnnaBridge 153:b484a57bc302 138 #ifndef __NVIC_PRIO_BITS
AnnaBridge 153:b484a57bc302 139 #define __NVIC_PRIO_BITS 2U
AnnaBridge 153:b484a57bc302 140 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
AnnaBridge 153:b484a57bc302 141 #endif
AnnaBridge 153:b484a57bc302 142
AnnaBridge 153:b484a57bc302 143 #ifndef __Vendor_SysTickConfig
AnnaBridge 153:b484a57bc302 144 #define __Vendor_SysTickConfig 0U
AnnaBridge 153:b484a57bc302 145 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
AnnaBridge 153:b484a57bc302 146 #endif
AnnaBridge 153:b484a57bc302 147 #endif
AnnaBridge 153:b484a57bc302 148
AnnaBridge 153:b484a57bc302 149 /* IO definitions (access restrictions to peripheral registers) */
AnnaBridge 153:b484a57bc302 150 /**
AnnaBridge 153:b484a57bc302 151 \defgroup CMSIS_glob_defs CMSIS Global Defines
AnnaBridge 153:b484a57bc302 152
AnnaBridge 153:b484a57bc302 153 <strong>IO Type Qualifiers</strong> are used
AnnaBridge 153:b484a57bc302 154 \li to specify the access to peripheral variables.
AnnaBridge 153:b484a57bc302 155 \li for automatic generation of peripheral register debug information.
AnnaBridge 153:b484a57bc302 156 */
AnnaBridge 153:b484a57bc302 157 #ifdef __cplusplus
AnnaBridge 153:b484a57bc302 158 #define __I volatile /*!< Defines 'read only' permissions */
AnnaBridge 153:b484a57bc302 159 #else
AnnaBridge 153:b484a57bc302 160 #define __I volatile const /*!< Defines 'read only' permissions */
AnnaBridge 153:b484a57bc302 161 #endif
AnnaBridge 153:b484a57bc302 162 #define __O volatile /*!< Defines 'write only' permissions */
AnnaBridge 153:b484a57bc302 163 #define __IO volatile /*!< Defines 'read / write' permissions */
AnnaBridge 153:b484a57bc302 164
AnnaBridge 153:b484a57bc302 165 /* following defines should be used for structure members */
AnnaBridge 153:b484a57bc302 166 #define __IM volatile const /*! Defines 'read only' structure member permissions */
AnnaBridge 153:b484a57bc302 167 #define __OM volatile /*! Defines 'write only' structure member permissions */
AnnaBridge 153:b484a57bc302 168 #define __IOM volatile /*! Defines 'read / write' structure member permissions */
AnnaBridge 153:b484a57bc302 169
AnnaBridge 153:b484a57bc302 170 /*@} end of group Cortex_M0 */
AnnaBridge 153:b484a57bc302 171
AnnaBridge 153:b484a57bc302 172
AnnaBridge 153:b484a57bc302 173
AnnaBridge 153:b484a57bc302 174 /*******************************************************************************
AnnaBridge 153:b484a57bc302 175 * Register Abstraction
AnnaBridge 153:b484a57bc302 176 Core Register contain:
AnnaBridge 153:b484a57bc302 177 - Core Register
AnnaBridge 153:b484a57bc302 178 - Core NVIC Register
AnnaBridge 153:b484a57bc302 179 - Core SCB Register
AnnaBridge 153:b484a57bc302 180 - Core SysTick Register
AnnaBridge 153:b484a57bc302 181 ******************************************************************************/
AnnaBridge 153:b484a57bc302 182 /**
AnnaBridge 153:b484a57bc302 183 \defgroup CMSIS_core_register Defines and Type Definitions
AnnaBridge 153:b484a57bc302 184 \brief Type definitions and defines for Cortex-M processor based devices.
AnnaBridge 153:b484a57bc302 185 */
AnnaBridge 153:b484a57bc302 186
AnnaBridge 153:b484a57bc302 187 /**
AnnaBridge 153:b484a57bc302 188 \ingroup CMSIS_core_register
AnnaBridge 153:b484a57bc302 189 \defgroup CMSIS_CORE Status and Control Registers
AnnaBridge 153:b484a57bc302 190 \brief Core Register type definitions.
AnnaBridge 153:b484a57bc302 191 @{
AnnaBridge 153:b484a57bc302 192 */
AnnaBridge 153:b484a57bc302 193
AnnaBridge 153:b484a57bc302 194 /**
AnnaBridge 153:b484a57bc302 195 \brief Union type to access the Application Program Status Register (APSR).
AnnaBridge 153:b484a57bc302 196 */
AnnaBridge 153:b484a57bc302 197 typedef union
AnnaBridge 153:b484a57bc302 198 {
AnnaBridge 153:b484a57bc302 199 struct
AnnaBridge 153:b484a57bc302 200 {
AnnaBridge 153:b484a57bc302 201 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
AnnaBridge 153:b484a57bc302 202 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
AnnaBridge 153:b484a57bc302 203 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
AnnaBridge 153:b484a57bc302 204 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
AnnaBridge 153:b484a57bc302 205 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
AnnaBridge 153:b484a57bc302 206 } b; /*!< Structure used for bit access */
AnnaBridge 153:b484a57bc302 207 uint32_t w; /*!< Type used for word access */
AnnaBridge 153:b484a57bc302 208 } APSR_Type;
AnnaBridge 153:b484a57bc302 209
AnnaBridge 153:b484a57bc302 210 /* APSR Register Definitions */
AnnaBridge 153:b484a57bc302 211 #define APSR_N_Pos 31U /*!< APSR: N Position */
AnnaBridge 153:b484a57bc302 212 #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
AnnaBridge 153:b484a57bc302 213
AnnaBridge 153:b484a57bc302 214 #define APSR_Z_Pos 30U /*!< APSR: Z Position */
AnnaBridge 153:b484a57bc302 215 #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
AnnaBridge 153:b484a57bc302 216
AnnaBridge 153:b484a57bc302 217 #define APSR_C_Pos 29U /*!< APSR: C Position */
AnnaBridge 153:b484a57bc302 218 #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
AnnaBridge 153:b484a57bc302 219
AnnaBridge 153:b484a57bc302 220 #define APSR_V_Pos 28U /*!< APSR: V Position */
AnnaBridge 153:b484a57bc302 221 #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
AnnaBridge 153:b484a57bc302 222
AnnaBridge 153:b484a57bc302 223
AnnaBridge 153:b484a57bc302 224 /**
AnnaBridge 153:b484a57bc302 225 \brief Union type to access the Interrupt Program Status Register (IPSR).
AnnaBridge 153:b484a57bc302 226 */
AnnaBridge 153:b484a57bc302 227 typedef union
AnnaBridge 153:b484a57bc302 228 {
AnnaBridge 153:b484a57bc302 229 struct
AnnaBridge 153:b484a57bc302 230 {
AnnaBridge 153:b484a57bc302 231 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
AnnaBridge 153:b484a57bc302 232 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
AnnaBridge 153:b484a57bc302 233 } b; /*!< Structure used for bit access */
AnnaBridge 153:b484a57bc302 234 uint32_t w; /*!< Type used for word access */
AnnaBridge 153:b484a57bc302 235 } IPSR_Type;
AnnaBridge 153:b484a57bc302 236
AnnaBridge 153:b484a57bc302 237 /* IPSR Register Definitions */
AnnaBridge 153:b484a57bc302 238 #define IPSR_ISR_Pos 0U /*!< IPSR: ISR Position */
AnnaBridge 153:b484a57bc302 239 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
AnnaBridge 153:b484a57bc302 240
AnnaBridge 153:b484a57bc302 241
AnnaBridge 153:b484a57bc302 242 /**
AnnaBridge 153:b484a57bc302 243 \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
AnnaBridge 153:b484a57bc302 244 */
AnnaBridge 153:b484a57bc302 245 typedef union
AnnaBridge 153:b484a57bc302 246 {
AnnaBridge 153:b484a57bc302 247 struct
AnnaBridge 153:b484a57bc302 248 {
AnnaBridge 153:b484a57bc302 249 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
AnnaBridge 153:b484a57bc302 250 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
AnnaBridge 153:b484a57bc302 251 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
AnnaBridge 153:b484a57bc302 252 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
AnnaBridge 153:b484a57bc302 253 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
AnnaBridge 153:b484a57bc302 254 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
AnnaBridge 153:b484a57bc302 255 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
AnnaBridge 153:b484a57bc302 256 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
AnnaBridge 153:b484a57bc302 257 } b; /*!< Structure used for bit access */
AnnaBridge 153:b484a57bc302 258 uint32_t w; /*!< Type used for word access */
AnnaBridge 153:b484a57bc302 259 } xPSR_Type;
AnnaBridge 153:b484a57bc302 260
AnnaBridge 153:b484a57bc302 261 /* xPSR Register Definitions */
AnnaBridge 153:b484a57bc302 262 #define xPSR_N_Pos 31U /*!< xPSR: N Position */
AnnaBridge 153:b484a57bc302 263 #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
AnnaBridge 153:b484a57bc302 264
AnnaBridge 153:b484a57bc302 265 #define xPSR_Z_Pos 30U /*!< xPSR: Z Position */
AnnaBridge 153:b484a57bc302 266 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
AnnaBridge 153:b484a57bc302 267
AnnaBridge 153:b484a57bc302 268 #define xPSR_C_Pos 29U /*!< xPSR: C Position */
AnnaBridge 153:b484a57bc302 269 #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
AnnaBridge 153:b484a57bc302 270
AnnaBridge 153:b484a57bc302 271 #define xPSR_V_Pos 28U /*!< xPSR: V Position */
AnnaBridge 153:b484a57bc302 272 #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
AnnaBridge 153:b484a57bc302 273
AnnaBridge 153:b484a57bc302 274 #define xPSR_T_Pos 24U /*!< xPSR: T Position */
AnnaBridge 153:b484a57bc302 275 #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
AnnaBridge 153:b484a57bc302 276
AnnaBridge 153:b484a57bc302 277 #define xPSR_ISR_Pos 0U /*!< xPSR: ISR Position */
AnnaBridge 153:b484a57bc302 278 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
AnnaBridge 153:b484a57bc302 279
AnnaBridge 153:b484a57bc302 280
AnnaBridge 153:b484a57bc302 281 /**
AnnaBridge 153:b484a57bc302 282 \brief Union type to access the Control Registers (CONTROL).
AnnaBridge 153:b484a57bc302 283 */
AnnaBridge 153:b484a57bc302 284 typedef union
AnnaBridge 153:b484a57bc302 285 {
AnnaBridge 153:b484a57bc302 286 struct
AnnaBridge 153:b484a57bc302 287 {
AnnaBridge 153:b484a57bc302 288 uint32_t _reserved0:1; /*!< bit: 0 Reserved */
AnnaBridge 153:b484a57bc302 289 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
AnnaBridge 153:b484a57bc302 290 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
AnnaBridge 153:b484a57bc302 291 } b; /*!< Structure used for bit access */
AnnaBridge 153:b484a57bc302 292 uint32_t w; /*!< Type used for word access */
AnnaBridge 153:b484a57bc302 293 } CONTROL_Type;
AnnaBridge 153:b484a57bc302 294
AnnaBridge 153:b484a57bc302 295 /* CONTROL Register Definitions */
AnnaBridge 153:b484a57bc302 296 #define CONTROL_SPSEL_Pos 1U /*!< CONTROL: SPSEL Position */
AnnaBridge 153:b484a57bc302 297 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
AnnaBridge 153:b484a57bc302 298
AnnaBridge 153:b484a57bc302 299 /*@} end of group CMSIS_CORE */
AnnaBridge 153:b484a57bc302 300
AnnaBridge 153:b484a57bc302 301
AnnaBridge 153:b484a57bc302 302 /**
AnnaBridge 153:b484a57bc302 303 \ingroup CMSIS_core_register
AnnaBridge 153:b484a57bc302 304 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
AnnaBridge 153:b484a57bc302 305 \brief Type definitions for the NVIC Registers
AnnaBridge 153:b484a57bc302 306 @{
AnnaBridge 153:b484a57bc302 307 */
AnnaBridge 153:b484a57bc302 308
AnnaBridge 153:b484a57bc302 309 /**
AnnaBridge 153:b484a57bc302 310 \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
AnnaBridge 153:b484a57bc302 311 */
AnnaBridge 153:b484a57bc302 312 typedef struct
AnnaBridge 153:b484a57bc302 313 {
AnnaBridge 153:b484a57bc302 314 __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
AnnaBridge 153:b484a57bc302 315 uint32_t RESERVED0[31U];
AnnaBridge 153:b484a57bc302 316 __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
AnnaBridge 153:b484a57bc302 317 uint32_t RSERVED1[31U];
AnnaBridge 153:b484a57bc302 318 __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
AnnaBridge 153:b484a57bc302 319 uint32_t RESERVED2[31U];
AnnaBridge 153:b484a57bc302 320 __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
AnnaBridge 153:b484a57bc302 321 uint32_t RESERVED3[31U];
AnnaBridge 153:b484a57bc302 322 uint32_t RESERVED4[64U];
AnnaBridge 153:b484a57bc302 323 __IOM uint32_t IP[8U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
AnnaBridge 153:b484a57bc302 324 } NVIC_Type;
AnnaBridge 153:b484a57bc302 325
AnnaBridge 153:b484a57bc302 326 /*@} end of group CMSIS_NVIC */
AnnaBridge 153:b484a57bc302 327
AnnaBridge 153:b484a57bc302 328
AnnaBridge 153:b484a57bc302 329 /**
AnnaBridge 153:b484a57bc302 330 \ingroup CMSIS_core_register
AnnaBridge 153:b484a57bc302 331 \defgroup CMSIS_SCB System Control Block (SCB)
AnnaBridge 153:b484a57bc302 332 \brief Type definitions for the System Control Block Registers
AnnaBridge 153:b484a57bc302 333 @{
AnnaBridge 153:b484a57bc302 334 */
AnnaBridge 153:b484a57bc302 335
AnnaBridge 153:b484a57bc302 336 /**
AnnaBridge 153:b484a57bc302 337 \brief Structure type to access the System Control Block (SCB).
AnnaBridge 153:b484a57bc302 338 */
AnnaBridge 153:b484a57bc302 339 typedef struct
AnnaBridge 153:b484a57bc302 340 {
AnnaBridge 153:b484a57bc302 341 __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
AnnaBridge 153:b484a57bc302 342 __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
AnnaBridge 153:b484a57bc302 343 uint32_t RESERVED0;
AnnaBridge 153:b484a57bc302 344 __IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
AnnaBridge 153:b484a57bc302 345 __IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
AnnaBridge 153:b484a57bc302 346 __IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
AnnaBridge 153:b484a57bc302 347 uint32_t RESERVED1;
AnnaBridge 153:b484a57bc302 348 __IOM uint32_t SHP[2U]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
AnnaBridge 153:b484a57bc302 349 __IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
AnnaBridge 153:b484a57bc302 350 } SCB_Type;
AnnaBridge 153:b484a57bc302 351
AnnaBridge 153:b484a57bc302 352 /* SCB CPUID Register Definitions */
AnnaBridge 153:b484a57bc302 353 #define SCB_CPUID_IMPLEMENTER_Pos 24U /*!< SCB CPUID: IMPLEMENTER Position */
AnnaBridge 153:b484a57bc302 354 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
AnnaBridge 153:b484a57bc302 355
AnnaBridge 153:b484a57bc302 356 #define SCB_CPUID_VARIANT_Pos 20U /*!< SCB CPUID: VARIANT Position */
AnnaBridge 153:b484a57bc302 357 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
AnnaBridge 153:b484a57bc302 358
AnnaBridge 153:b484a57bc302 359 #define SCB_CPUID_ARCHITECTURE_Pos 16U /*!< SCB CPUID: ARCHITECTURE Position */
AnnaBridge 153:b484a57bc302 360 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
AnnaBridge 153:b484a57bc302 361
AnnaBridge 153:b484a57bc302 362 #define SCB_CPUID_PARTNO_Pos 4U /*!< SCB CPUID: PARTNO Position */
AnnaBridge 153:b484a57bc302 363 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
AnnaBridge 153:b484a57bc302 364
AnnaBridge 153:b484a57bc302 365 #define SCB_CPUID_REVISION_Pos 0U /*!< SCB CPUID: REVISION Position */
AnnaBridge 153:b484a57bc302 366 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */
AnnaBridge 153:b484a57bc302 367
AnnaBridge 153:b484a57bc302 368 /* SCB Interrupt Control State Register Definitions */
AnnaBridge 153:b484a57bc302 369 #define SCB_ICSR_NMIPENDSET_Pos 31U /*!< SCB ICSR: NMIPENDSET Position */
AnnaBridge 153:b484a57bc302 370 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
AnnaBridge 153:b484a57bc302 371
AnnaBridge 153:b484a57bc302 372 #define SCB_ICSR_PENDSVSET_Pos 28U /*!< SCB ICSR: PENDSVSET Position */
AnnaBridge 153:b484a57bc302 373 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
AnnaBridge 153:b484a57bc302 374
AnnaBridge 153:b484a57bc302 375 #define SCB_ICSR_PENDSVCLR_Pos 27U /*!< SCB ICSR: PENDSVCLR Position */
AnnaBridge 153:b484a57bc302 376 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
AnnaBridge 153:b484a57bc302 377
AnnaBridge 153:b484a57bc302 378 #define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */
AnnaBridge 153:b484a57bc302 379 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
AnnaBridge 153:b484a57bc302 380
AnnaBridge 153:b484a57bc302 381 #define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */
AnnaBridge 153:b484a57bc302 382 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
AnnaBridge 153:b484a57bc302 383
AnnaBridge 153:b484a57bc302 384 #define SCB_ICSR_ISRPREEMPT_Pos 23U /*!< SCB ICSR: ISRPREEMPT Position */
AnnaBridge 153:b484a57bc302 385 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
AnnaBridge 153:b484a57bc302 386
AnnaBridge 153:b484a57bc302 387 #define SCB_ICSR_ISRPENDING_Pos 22U /*!< SCB ICSR: ISRPENDING Position */
AnnaBridge 153:b484a57bc302 388 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
AnnaBridge 153:b484a57bc302 389
AnnaBridge 153:b484a57bc302 390 #define SCB_ICSR_VECTPENDING_Pos 12U /*!< SCB ICSR: VECTPENDING Position */
AnnaBridge 153:b484a57bc302 391 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
AnnaBridge 153:b484a57bc302 392
AnnaBridge 153:b484a57bc302 393 #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */
AnnaBridge 153:b484a57bc302 394 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */
AnnaBridge 153:b484a57bc302 395
AnnaBridge 153:b484a57bc302 396 /* SCB Application Interrupt and Reset Control Register Definitions */
AnnaBridge 153:b484a57bc302 397 #define SCB_AIRCR_VECTKEY_Pos 16U /*!< SCB AIRCR: VECTKEY Position */
AnnaBridge 153:b484a57bc302 398 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
AnnaBridge 153:b484a57bc302 399
AnnaBridge 153:b484a57bc302 400 #define SCB_AIRCR_VECTKEYSTAT_Pos 16U /*!< SCB AIRCR: VECTKEYSTAT Position */
AnnaBridge 153:b484a57bc302 401 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
AnnaBridge 153:b484a57bc302 402
AnnaBridge 153:b484a57bc302 403 #define SCB_AIRCR_ENDIANESS_Pos 15U /*!< SCB AIRCR: ENDIANESS Position */
AnnaBridge 153:b484a57bc302 404 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
AnnaBridge 153:b484a57bc302 405
AnnaBridge 153:b484a57bc302 406 #define SCB_AIRCR_SYSRESETREQ_Pos 2U /*!< SCB AIRCR: SYSRESETREQ Position */
AnnaBridge 153:b484a57bc302 407 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
AnnaBridge 153:b484a57bc302 408
AnnaBridge 153:b484a57bc302 409 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U /*!< SCB AIRCR: VECTCLRACTIVE Position */
AnnaBridge 153:b484a57bc302 410 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
AnnaBridge 153:b484a57bc302 411
AnnaBridge 153:b484a57bc302 412 /* SCB System Control Register Definitions */
AnnaBridge 153:b484a57bc302 413 #define SCB_SCR_SEVONPEND_Pos 4U /*!< SCB SCR: SEVONPEND Position */
AnnaBridge 153:b484a57bc302 414 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
AnnaBridge 153:b484a57bc302 415
AnnaBridge 153:b484a57bc302 416 #define SCB_SCR_SLEEPDEEP_Pos 2U /*!< SCB SCR: SLEEPDEEP Position */
AnnaBridge 153:b484a57bc302 417 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
AnnaBridge 153:b484a57bc302 418
AnnaBridge 153:b484a57bc302 419 #define SCB_SCR_SLEEPONEXIT_Pos 1U /*!< SCB SCR: SLEEPONEXIT Position */
AnnaBridge 153:b484a57bc302 420 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
AnnaBridge 153:b484a57bc302 421
AnnaBridge 153:b484a57bc302 422 /* SCB Configuration Control Register Definitions */
AnnaBridge 153:b484a57bc302 423 #define SCB_CCR_STKALIGN_Pos 9U /*!< SCB CCR: STKALIGN Position */
AnnaBridge 153:b484a57bc302 424 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
AnnaBridge 153:b484a57bc302 425
AnnaBridge 153:b484a57bc302 426 #define SCB_CCR_UNALIGN_TRP_Pos 3U /*!< SCB CCR: UNALIGN_TRP Position */
AnnaBridge 153:b484a57bc302 427 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
AnnaBridge 153:b484a57bc302 428
AnnaBridge 153:b484a57bc302 429 /* SCB System Handler Control and State Register Definitions */
AnnaBridge 153:b484a57bc302 430 #define SCB_SHCSR_SVCALLPENDED_Pos 15U /*!< SCB SHCSR: SVCALLPENDED Position */
AnnaBridge 153:b484a57bc302 431 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
AnnaBridge 153:b484a57bc302 432
AnnaBridge 153:b484a57bc302 433 /*@} end of group CMSIS_SCB */
AnnaBridge 153:b484a57bc302 434
AnnaBridge 153:b484a57bc302 435
AnnaBridge 153:b484a57bc302 436 /**
AnnaBridge 153:b484a57bc302 437 \ingroup CMSIS_core_register
AnnaBridge 153:b484a57bc302 438 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
AnnaBridge 153:b484a57bc302 439 \brief Type definitions for the System Timer Registers.
AnnaBridge 153:b484a57bc302 440 @{
AnnaBridge 153:b484a57bc302 441 */
AnnaBridge 153:b484a57bc302 442
AnnaBridge 153:b484a57bc302 443 /**
AnnaBridge 153:b484a57bc302 444 \brief Structure type to access the System Timer (SysTick).
AnnaBridge 153:b484a57bc302 445 */
AnnaBridge 153:b484a57bc302 446 typedef struct
AnnaBridge 153:b484a57bc302 447 {
AnnaBridge 153:b484a57bc302 448 __IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
AnnaBridge 153:b484a57bc302 449 __IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
AnnaBridge 153:b484a57bc302 450 __IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
AnnaBridge 153:b484a57bc302 451 __IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
AnnaBridge 153:b484a57bc302 452 } SysTick_Type;
AnnaBridge 153:b484a57bc302 453
AnnaBridge 153:b484a57bc302 454 /* SysTick Control / Status Register Definitions */
AnnaBridge 153:b484a57bc302 455 #define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */
AnnaBridge 153:b484a57bc302 456 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
AnnaBridge 153:b484a57bc302 457
AnnaBridge 153:b484a57bc302 458 #define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */
AnnaBridge 153:b484a57bc302 459 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
AnnaBridge 153:b484a57bc302 460
AnnaBridge 153:b484a57bc302 461 #define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */
AnnaBridge 153:b484a57bc302 462 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
AnnaBridge 153:b484a57bc302 463
AnnaBridge 153:b484a57bc302 464 #define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */
AnnaBridge 153:b484a57bc302 465 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */
AnnaBridge 153:b484a57bc302 466
AnnaBridge 153:b484a57bc302 467 /* SysTick Reload Register Definitions */
AnnaBridge 153:b484a57bc302 468 #define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */
AnnaBridge 153:b484a57bc302 469 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */
AnnaBridge 153:b484a57bc302 470
AnnaBridge 153:b484a57bc302 471 /* SysTick Current Register Definitions */
AnnaBridge 153:b484a57bc302 472 #define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */
AnnaBridge 153:b484a57bc302 473 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */
AnnaBridge 153:b484a57bc302 474
AnnaBridge 153:b484a57bc302 475 /* SysTick Calibration Register Definitions */
AnnaBridge 153:b484a57bc302 476 #define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */
AnnaBridge 153:b484a57bc302 477 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
AnnaBridge 153:b484a57bc302 478
AnnaBridge 153:b484a57bc302 479 #define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */
AnnaBridge 153:b484a57bc302 480 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
AnnaBridge 153:b484a57bc302 481
AnnaBridge 153:b484a57bc302 482 #define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */
AnnaBridge 153:b484a57bc302 483 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
AnnaBridge 153:b484a57bc302 484
AnnaBridge 153:b484a57bc302 485 /*@} end of group CMSIS_SysTick */
AnnaBridge 153:b484a57bc302 486
AnnaBridge 153:b484a57bc302 487
AnnaBridge 153:b484a57bc302 488 /**
AnnaBridge 153:b484a57bc302 489 \ingroup CMSIS_core_register
AnnaBridge 153:b484a57bc302 490 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
AnnaBridge 153:b484a57bc302 491 \brief Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor.
AnnaBridge 153:b484a57bc302 492 Therefore they are not covered by the Cortex-M0 header file.
AnnaBridge 153:b484a57bc302 493 @{
AnnaBridge 153:b484a57bc302 494 */
AnnaBridge 153:b484a57bc302 495 /*@} end of group CMSIS_CoreDebug */
AnnaBridge 153:b484a57bc302 496
AnnaBridge 153:b484a57bc302 497
AnnaBridge 153:b484a57bc302 498 /**
AnnaBridge 153:b484a57bc302 499 \ingroup CMSIS_core_register
AnnaBridge 153:b484a57bc302 500 \defgroup CMSIS_core_bitfield Core register bit field macros
AnnaBridge 153:b484a57bc302 501 \brief Macros for use with bit field definitions (xxx_Pos, xxx_Msk).
AnnaBridge 153:b484a57bc302 502 @{
AnnaBridge 153:b484a57bc302 503 */
AnnaBridge 153:b484a57bc302 504
AnnaBridge 153:b484a57bc302 505 /**
AnnaBridge 153:b484a57bc302 506 \brief Mask and shift a bit field value for use in a register bit range.
AnnaBridge 153:b484a57bc302 507 \param[in] field Name of the register bit field.
AnnaBridge 153:b484a57bc302 508 \param[in] value Value of the bit field. This parameter is interpreted as an uint32_t type.
AnnaBridge 153:b484a57bc302 509 \return Masked and shifted value.
AnnaBridge 153:b484a57bc302 510 */
AnnaBridge 153:b484a57bc302 511 #define _VAL2FLD(field, value) (((uint32_t)(value) << field ## _Pos) & field ## _Msk)
AnnaBridge 153:b484a57bc302 512
AnnaBridge 153:b484a57bc302 513 /**
AnnaBridge 153:b484a57bc302 514 \brief Mask and shift a register value to extract a bit filed value.
AnnaBridge 153:b484a57bc302 515 \param[in] field Name of the register bit field.
AnnaBridge 153:b484a57bc302 516 \param[in] value Value of register. This parameter is interpreted as an uint32_t type.
AnnaBridge 153:b484a57bc302 517 \return Masked and shifted bit field value.
AnnaBridge 153:b484a57bc302 518 */
AnnaBridge 153:b484a57bc302 519 #define _FLD2VAL(field, value) (((uint32_t)(value) & field ## _Msk) >> field ## _Pos)
AnnaBridge 153:b484a57bc302 520
AnnaBridge 153:b484a57bc302 521 /*@} end of group CMSIS_core_bitfield */
AnnaBridge 153:b484a57bc302 522
AnnaBridge 153:b484a57bc302 523
AnnaBridge 153:b484a57bc302 524 /**
AnnaBridge 153:b484a57bc302 525 \ingroup CMSIS_core_register
AnnaBridge 153:b484a57bc302 526 \defgroup CMSIS_core_base Core Definitions
AnnaBridge 153:b484a57bc302 527 \brief Definitions for base addresses, unions, and structures.
AnnaBridge 153:b484a57bc302 528 @{
AnnaBridge 153:b484a57bc302 529 */
AnnaBridge 153:b484a57bc302 530
AnnaBridge 153:b484a57bc302 531 /* Memory mapping of Core Hardware */
AnnaBridge 153:b484a57bc302 532 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
AnnaBridge 153:b484a57bc302 533 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
AnnaBridge 153:b484a57bc302 534 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
AnnaBridge 153:b484a57bc302 535 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
AnnaBridge 153:b484a57bc302 536
AnnaBridge 153:b484a57bc302 537 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
AnnaBridge 153:b484a57bc302 538 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
AnnaBridge 153:b484a57bc302 539 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
AnnaBridge 153:b484a57bc302 540
AnnaBridge 153:b484a57bc302 541
AnnaBridge 153:b484a57bc302 542 /*@} */
AnnaBridge 153:b484a57bc302 543
AnnaBridge 153:b484a57bc302 544
AnnaBridge 153:b484a57bc302 545
AnnaBridge 153:b484a57bc302 546 /*******************************************************************************
AnnaBridge 153:b484a57bc302 547 * Hardware Abstraction Layer
AnnaBridge 153:b484a57bc302 548 Core Function Interface contains:
AnnaBridge 153:b484a57bc302 549 - Core NVIC Functions
AnnaBridge 153:b484a57bc302 550 - Core SysTick Functions
AnnaBridge 153:b484a57bc302 551 - Core Register Access Functions
AnnaBridge 153:b484a57bc302 552 ******************************************************************************/
AnnaBridge 153:b484a57bc302 553 /**
AnnaBridge 153:b484a57bc302 554 \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
AnnaBridge 153:b484a57bc302 555 */
AnnaBridge 153:b484a57bc302 556
AnnaBridge 153:b484a57bc302 557
AnnaBridge 153:b484a57bc302 558
AnnaBridge 153:b484a57bc302 559 /* ########################## NVIC functions #################################### */
AnnaBridge 153:b484a57bc302 560 /**
AnnaBridge 153:b484a57bc302 561 \ingroup CMSIS_Core_FunctionInterface
AnnaBridge 153:b484a57bc302 562 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
AnnaBridge 153:b484a57bc302 563 \brief Functions that manage interrupts and exceptions via the NVIC.
AnnaBridge 153:b484a57bc302 564 @{
AnnaBridge 153:b484a57bc302 565 */
AnnaBridge 153:b484a57bc302 566
AnnaBridge 153:b484a57bc302 567 #ifdef CMSIS_NVIC_VIRTUAL
AnnaBridge 153:b484a57bc302 568 #ifndef CMSIS_NVIC_VIRTUAL_HEADER_FILE
AnnaBridge 153:b484a57bc302 569 #define CMSIS_NVIC_VIRTUAL_HEADER_FILE "cmsis_nvic_virtual.h"
AnnaBridge 153:b484a57bc302 570 #endif
AnnaBridge 153:b484a57bc302 571 #include CMSIS_NVIC_VIRTUAL_HEADER_FILE
AnnaBridge 153:b484a57bc302 572 #else
AnnaBridge 153:b484a57bc302 573 /*#define NVIC_SetPriorityGrouping __NVIC_SetPriorityGrouping not available for Cortex-M0 */
AnnaBridge 153:b484a57bc302 574 /*#define NVIC_GetPriorityGrouping __NVIC_GetPriorityGrouping not available for Cortex-M0 */
AnnaBridge 153:b484a57bc302 575 #define NVIC_EnableIRQ __NVIC_EnableIRQ
AnnaBridge 153:b484a57bc302 576 #define NVIC_GetEnableIRQ __NVIC_GetEnableIRQ
AnnaBridge 153:b484a57bc302 577 #define NVIC_DisableIRQ __NVIC_DisableIRQ
AnnaBridge 153:b484a57bc302 578 #define NVIC_GetPendingIRQ __NVIC_GetPendingIRQ
AnnaBridge 153:b484a57bc302 579 #define NVIC_SetPendingIRQ __NVIC_SetPendingIRQ
AnnaBridge 153:b484a57bc302 580 #define NVIC_ClearPendingIRQ __NVIC_ClearPendingIRQ
AnnaBridge 153:b484a57bc302 581 /*#define NVIC_GetActive __NVIC_GetActive not available for Cortex-M0 */
AnnaBridge 153:b484a57bc302 582 #define NVIC_SetPriority __NVIC_SetPriority
AnnaBridge 153:b484a57bc302 583 #define NVIC_GetPriority __NVIC_GetPriority
AnnaBridge 153:b484a57bc302 584 #define NVIC_SystemReset __NVIC_SystemReset
AnnaBridge 153:b484a57bc302 585 #endif /* CMSIS_NVIC_VIRTUAL */
AnnaBridge 153:b484a57bc302 586
AnnaBridge 153:b484a57bc302 587 #ifdef CMSIS_VECTAB_VIRTUAL
AnnaBridge 153:b484a57bc302 588 #ifndef CMSIS_VECTAB_VIRTUAL_HEADER_FILE
AnnaBridge 153:b484a57bc302 589 #define CMSIS_VECTAB_VIRTUAL_HEADER_FILE "cmsis_vectab_virtual.h"
AnnaBridge 153:b484a57bc302 590 #endif
AnnaBridge 153:b484a57bc302 591 #include CMSIS_VECTAB_VIRTUAL_HEADER_FILE
AnnaBridge 153:b484a57bc302 592 #else
AnnaBridge 153:b484a57bc302 593 #define NVIC_SetVector __NVIC_SetVector
AnnaBridge 153:b484a57bc302 594 #define NVIC_GetVector __NVIC_GetVector
AnnaBridge 153:b484a57bc302 595 #endif /* (CMSIS_VECTAB_VIRTUAL) */
AnnaBridge 153:b484a57bc302 596
AnnaBridge 153:b484a57bc302 597 #define NVIC_USER_IRQ_OFFSET 16
AnnaBridge 153:b484a57bc302 598
AnnaBridge 153:b484a57bc302 599
AnnaBridge 153:b484a57bc302 600 /* Interrupt Priorities are WORD accessible only under ARMv6M */
AnnaBridge 153:b484a57bc302 601 /* The following MACROS handle generation of the register offset and byte masks */
AnnaBridge 153:b484a57bc302 602 #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
AnnaBridge 153:b484a57bc302 603 #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
AnnaBridge 153:b484a57bc302 604 #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
AnnaBridge 153:b484a57bc302 605
AnnaBridge 153:b484a57bc302 606
AnnaBridge 153:b484a57bc302 607 /**
AnnaBridge 153:b484a57bc302 608 \brief Enable Interrupt
AnnaBridge 153:b484a57bc302 609 \details Enables a device specific interrupt in the NVIC interrupt controller.
AnnaBridge 153:b484a57bc302 610 \param [in] IRQn Device specific interrupt number.
AnnaBridge 153:b484a57bc302 611 \note IRQn must not be negative.
AnnaBridge 153:b484a57bc302 612 */
AnnaBridge 153:b484a57bc302 613 __STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn)
AnnaBridge 153:b484a57bc302 614 {
AnnaBridge 153:b484a57bc302 615 if ((int32_t)(IRQn) >= 0)
AnnaBridge 153:b484a57bc302 616 {
AnnaBridge 153:b484a57bc302 617 NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
AnnaBridge 153:b484a57bc302 618 }
AnnaBridge 153:b484a57bc302 619 }
AnnaBridge 153:b484a57bc302 620
AnnaBridge 153:b484a57bc302 621
AnnaBridge 153:b484a57bc302 622 /**
AnnaBridge 153:b484a57bc302 623 \brief Get Interrupt Enable status
AnnaBridge 153:b484a57bc302 624 \details Returns a device specific interrupt enable status from the NVIC interrupt controller.
AnnaBridge 153:b484a57bc302 625 \param [in] IRQn Device specific interrupt number.
AnnaBridge 153:b484a57bc302 626 \return 0 Interrupt is not enabled.
AnnaBridge 153:b484a57bc302 627 \return 1 Interrupt is enabled.
AnnaBridge 153:b484a57bc302 628 \note IRQn must not be negative.
AnnaBridge 153:b484a57bc302 629 */
AnnaBridge 153:b484a57bc302 630 __STATIC_INLINE uint32_t __NVIC_GetEnableIRQ(IRQn_Type IRQn)
AnnaBridge 153:b484a57bc302 631 {
AnnaBridge 153:b484a57bc302 632 if ((int32_t)(IRQn) >= 0)
AnnaBridge 153:b484a57bc302 633 {
AnnaBridge 153:b484a57bc302 634 return((uint32_t)(((NVIC->ISER[0U] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
AnnaBridge 153:b484a57bc302 635 }
AnnaBridge 153:b484a57bc302 636 else
AnnaBridge 153:b484a57bc302 637 {
AnnaBridge 153:b484a57bc302 638 return(0U);
AnnaBridge 153:b484a57bc302 639 }
AnnaBridge 153:b484a57bc302 640 }
AnnaBridge 153:b484a57bc302 641
AnnaBridge 153:b484a57bc302 642
AnnaBridge 153:b484a57bc302 643 /**
AnnaBridge 153:b484a57bc302 644 \brief Disable Interrupt
AnnaBridge 153:b484a57bc302 645 \details Disables a device specific interrupt in the NVIC interrupt controller.
AnnaBridge 153:b484a57bc302 646 \param [in] IRQn Device specific interrupt number.
AnnaBridge 153:b484a57bc302 647 \note IRQn must not be negative.
AnnaBridge 153:b484a57bc302 648 */
AnnaBridge 153:b484a57bc302 649 __STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn)
AnnaBridge 153:b484a57bc302 650 {
AnnaBridge 153:b484a57bc302 651 if ((int32_t)(IRQn) >= 0)
AnnaBridge 153:b484a57bc302 652 {
AnnaBridge 153:b484a57bc302 653 NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
AnnaBridge 153:b484a57bc302 654 __DSB();
AnnaBridge 153:b484a57bc302 655 __ISB();
AnnaBridge 153:b484a57bc302 656 }
AnnaBridge 153:b484a57bc302 657 }
AnnaBridge 153:b484a57bc302 658
AnnaBridge 153:b484a57bc302 659
AnnaBridge 153:b484a57bc302 660 /**
AnnaBridge 153:b484a57bc302 661 \brief Get Pending Interrupt
AnnaBridge 153:b484a57bc302 662 \details Reads the NVIC pending register and returns the pending bit for the specified device specific interrupt.
AnnaBridge 153:b484a57bc302 663 \param [in] IRQn Device specific interrupt number.
AnnaBridge 153:b484a57bc302 664 \return 0 Interrupt status is not pending.
AnnaBridge 153:b484a57bc302 665 \return 1 Interrupt status is pending.
AnnaBridge 153:b484a57bc302 666 \note IRQn must not be negative.
AnnaBridge 153:b484a57bc302 667 */
AnnaBridge 153:b484a57bc302 668 __STATIC_INLINE uint32_t __NVIC_GetPendingIRQ(IRQn_Type IRQn)
AnnaBridge 153:b484a57bc302 669 {
AnnaBridge 153:b484a57bc302 670 if ((int32_t)(IRQn) >= 0)
AnnaBridge 153:b484a57bc302 671 {
AnnaBridge 153:b484a57bc302 672 return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
AnnaBridge 153:b484a57bc302 673 }
AnnaBridge 153:b484a57bc302 674 else
AnnaBridge 153:b484a57bc302 675 {
AnnaBridge 153:b484a57bc302 676 return(0U);
AnnaBridge 153:b484a57bc302 677 }
AnnaBridge 153:b484a57bc302 678 }
AnnaBridge 153:b484a57bc302 679
AnnaBridge 153:b484a57bc302 680
AnnaBridge 153:b484a57bc302 681 /**
AnnaBridge 153:b484a57bc302 682 \brief Set Pending Interrupt
AnnaBridge 153:b484a57bc302 683 \details Sets the pending bit of a device specific interrupt in the NVIC pending register.
AnnaBridge 153:b484a57bc302 684 \param [in] IRQn Device specific interrupt number.
AnnaBridge 153:b484a57bc302 685 \note IRQn must not be negative.
AnnaBridge 153:b484a57bc302 686 */
AnnaBridge 153:b484a57bc302 687 __STATIC_INLINE void __NVIC_SetPendingIRQ(IRQn_Type IRQn)
AnnaBridge 153:b484a57bc302 688 {
AnnaBridge 153:b484a57bc302 689 if ((int32_t)(IRQn) >= 0)
AnnaBridge 153:b484a57bc302 690 {
AnnaBridge 153:b484a57bc302 691 NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
AnnaBridge 153:b484a57bc302 692 }
AnnaBridge 153:b484a57bc302 693 }
AnnaBridge 153:b484a57bc302 694
AnnaBridge 153:b484a57bc302 695
AnnaBridge 153:b484a57bc302 696 /**
AnnaBridge 153:b484a57bc302 697 \brief Clear Pending Interrupt
AnnaBridge 153:b484a57bc302 698 \details Clears the pending bit of a device specific interrupt in the NVIC pending register.
AnnaBridge 153:b484a57bc302 699 \param [in] IRQn Device specific interrupt number.
AnnaBridge 153:b484a57bc302 700 \note IRQn must not be negative.
AnnaBridge 153:b484a57bc302 701 */
AnnaBridge 153:b484a57bc302 702 __STATIC_INLINE void __NVIC_ClearPendingIRQ(IRQn_Type IRQn)
AnnaBridge 153:b484a57bc302 703 {
AnnaBridge 153:b484a57bc302 704 if ((int32_t)(IRQn) >= 0)
AnnaBridge 153:b484a57bc302 705 {
AnnaBridge 153:b484a57bc302 706 NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
AnnaBridge 153:b484a57bc302 707 }
AnnaBridge 153:b484a57bc302 708 }
AnnaBridge 153:b484a57bc302 709
AnnaBridge 153:b484a57bc302 710
AnnaBridge 153:b484a57bc302 711 /**
AnnaBridge 153:b484a57bc302 712 \brief Set Interrupt Priority
AnnaBridge 153:b484a57bc302 713 \details Sets the priority of a device specific interrupt or a processor exception.
AnnaBridge 153:b484a57bc302 714 The interrupt number can be positive to specify a device specific interrupt,
AnnaBridge 153:b484a57bc302 715 or negative to specify a processor exception.
AnnaBridge 153:b484a57bc302 716 \param [in] IRQn Interrupt number.
AnnaBridge 153:b484a57bc302 717 \param [in] priority Priority to set.
AnnaBridge 153:b484a57bc302 718 \note The priority cannot be set for every processor exception.
AnnaBridge 153:b484a57bc302 719 */
AnnaBridge 153:b484a57bc302 720 __STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
AnnaBridge 153:b484a57bc302 721 {
AnnaBridge 153:b484a57bc302 722 if ((int32_t)(IRQn) >= 0)
AnnaBridge 153:b484a57bc302 723 {
AnnaBridge 153:b484a57bc302 724 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
AnnaBridge 153:b484a57bc302 725 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
AnnaBridge 153:b484a57bc302 726 }
AnnaBridge 153:b484a57bc302 727 else
AnnaBridge 153:b484a57bc302 728 {
AnnaBridge 153:b484a57bc302 729 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
AnnaBridge 153:b484a57bc302 730 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
AnnaBridge 153:b484a57bc302 731 }
AnnaBridge 153:b484a57bc302 732 }
AnnaBridge 153:b484a57bc302 733
AnnaBridge 153:b484a57bc302 734
AnnaBridge 153:b484a57bc302 735 /**
AnnaBridge 153:b484a57bc302 736 \brief Get Interrupt Priority
AnnaBridge 153:b484a57bc302 737 \details Reads the priority of a device specific interrupt or a processor exception.
AnnaBridge 153:b484a57bc302 738 The interrupt number can be positive to specify a device specific interrupt,
AnnaBridge 153:b484a57bc302 739 or negative to specify a processor exception.
AnnaBridge 153:b484a57bc302 740 \param [in] IRQn Interrupt number.
AnnaBridge 153:b484a57bc302 741 \return Interrupt Priority.
AnnaBridge 153:b484a57bc302 742 Value is aligned automatically to the implemented priority bits of the microcontroller.
AnnaBridge 153:b484a57bc302 743 */
AnnaBridge 153:b484a57bc302 744 __STATIC_INLINE uint32_t __NVIC_GetPriority(IRQn_Type IRQn)
AnnaBridge 153:b484a57bc302 745 {
AnnaBridge 153:b484a57bc302 746
AnnaBridge 153:b484a57bc302 747 if ((int32_t)(IRQn) >= 0)
AnnaBridge 153:b484a57bc302 748 {
AnnaBridge 153:b484a57bc302 749 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
AnnaBridge 153:b484a57bc302 750 }
AnnaBridge 153:b484a57bc302 751 else
AnnaBridge 153:b484a57bc302 752 {
AnnaBridge 153:b484a57bc302 753 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
AnnaBridge 153:b484a57bc302 754 }
AnnaBridge 153:b484a57bc302 755 }
AnnaBridge 153:b484a57bc302 756
AnnaBridge 153:b484a57bc302 757
AnnaBridge 153:b484a57bc302 758 /**
AnnaBridge 153:b484a57bc302 759 \brief Set Interrupt Vector
AnnaBridge 153:b484a57bc302 760 \details Sets an interrupt vector in SRAM based interrupt vector table.
AnnaBridge 153:b484a57bc302 761 The interrupt number can be positive to specify a device specific interrupt,
AnnaBridge 153:b484a57bc302 762 or negative to specify a processor exception.
AnnaBridge 153:b484a57bc302 763 Address 0 must be mapped to SRAM.
AnnaBridge 153:b484a57bc302 764 \param [in] IRQn Interrupt number
AnnaBridge 153:b484a57bc302 765 \param [in] vector Address of interrupt handler function
AnnaBridge 153:b484a57bc302 766 */
AnnaBridge 153:b484a57bc302 767 __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector)
AnnaBridge 153:b484a57bc302 768 {
AnnaBridge 153:b484a57bc302 769 uint32_t *vectors = (uint32_t *)0x0U;
AnnaBridge 153:b484a57bc302 770 vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector;
AnnaBridge 153:b484a57bc302 771 }
AnnaBridge 153:b484a57bc302 772
AnnaBridge 153:b484a57bc302 773
AnnaBridge 153:b484a57bc302 774 /**
AnnaBridge 153:b484a57bc302 775 \brief Get Interrupt Vector
AnnaBridge 153:b484a57bc302 776 \details Reads an interrupt vector from interrupt vector table.
AnnaBridge 153:b484a57bc302 777 The interrupt number can be positive to specify a device specific interrupt,
AnnaBridge 153:b484a57bc302 778 or negative to specify a processor exception.
AnnaBridge 153:b484a57bc302 779 \param [in] IRQn Interrupt number.
AnnaBridge 153:b484a57bc302 780 \return Address of interrupt handler function
AnnaBridge 153:b484a57bc302 781 */
AnnaBridge 153:b484a57bc302 782 __STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn)
AnnaBridge 153:b484a57bc302 783 {
AnnaBridge 153:b484a57bc302 784 uint32_t *vectors = (uint32_t *)0x0U;
AnnaBridge 153:b484a57bc302 785 return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET];
AnnaBridge 153:b484a57bc302 786 }
AnnaBridge 153:b484a57bc302 787
AnnaBridge 153:b484a57bc302 788
AnnaBridge 153:b484a57bc302 789 /**
AnnaBridge 153:b484a57bc302 790 \brief System Reset
AnnaBridge 153:b484a57bc302 791 \details Initiates a system reset request to reset the MCU.
AnnaBridge 153:b484a57bc302 792 */
AnnaBridge 153:b484a57bc302 793 __STATIC_INLINE void __NVIC_SystemReset(void)
AnnaBridge 153:b484a57bc302 794 {
AnnaBridge 153:b484a57bc302 795 __DSB(); /* Ensure all outstanding memory accesses included
AnnaBridge 153:b484a57bc302 796 buffered write are completed before reset */
AnnaBridge 153:b484a57bc302 797 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
AnnaBridge 153:b484a57bc302 798 SCB_AIRCR_SYSRESETREQ_Msk);
AnnaBridge 153:b484a57bc302 799 __DSB(); /* Ensure completion of memory access */
AnnaBridge 153:b484a57bc302 800
AnnaBridge 153:b484a57bc302 801 for(;;) /* wait until reset */
AnnaBridge 153:b484a57bc302 802 {
AnnaBridge 153:b484a57bc302 803 __NOP();
AnnaBridge 153:b484a57bc302 804 }
AnnaBridge 153:b484a57bc302 805 }
AnnaBridge 153:b484a57bc302 806
AnnaBridge 153:b484a57bc302 807 /*@} end of CMSIS_Core_NVICFunctions */
AnnaBridge 153:b484a57bc302 808
AnnaBridge 153:b484a57bc302 809
AnnaBridge 153:b484a57bc302 810 /* ########################## FPU functions #################################### */
AnnaBridge 153:b484a57bc302 811 /**
AnnaBridge 153:b484a57bc302 812 \ingroup CMSIS_Core_FunctionInterface
AnnaBridge 153:b484a57bc302 813 \defgroup CMSIS_Core_FpuFunctions FPU Functions
AnnaBridge 153:b484a57bc302 814 \brief Function that provides FPU type.
AnnaBridge 153:b484a57bc302 815 @{
AnnaBridge 153:b484a57bc302 816 */
AnnaBridge 153:b484a57bc302 817
AnnaBridge 153:b484a57bc302 818 /**
AnnaBridge 153:b484a57bc302 819 \brief get FPU type
AnnaBridge 153:b484a57bc302 820 \details returns the FPU type
AnnaBridge 153:b484a57bc302 821 \returns
AnnaBridge 153:b484a57bc302 822 - \b 0: No FPU
AnnaBridge 153:b484a57bc302 823 - \b 1: Single precision FPU
AnnaBridge 153:b484a57bc302 824 - \b 2: Double + Single precision FPU
AnnaBridge 153:b484a57bc302 825 */
AnnaBridge 153:b484a57bc302 826 __STATIC_INLINE uint32_t SCB_GetFPUType(void)
AnnaBridge 153:b484a57bc302 827 {
AnnaBridge 153:b484a57bc302 828 return 0U; /* No FPU */
AnnaBridge 153:b484a57bc302 829 }
AnnaBridge 153:b484a57bc302 830
AnnaBridge 153:b484a57bc302 831
AnnaBridge 153:b484a57bc302 832 /*@} end of CMSIS_Core_FpuFunctions */
AnnaBridge 153:b484a57bc302 833
AnnaBridge 153:b484a57bc302 834
AnnaBridge 153:b484a57bc302 835
AnnaBridge 153:b484a57bc302 836 /* ################################## SysTick function ############################################ */
AnnaBridge 153:b484a57bc302 837 /**
AnnaBridge 153:b484a57bc302 838 \ingroup CMSIS_Core_FunctionInterface
AnnaBridge 153:b484a57bc302 839 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
AnnaBridge 153:b484a57bc302 840 \brief Functions that configure the System.
AnnaBridge 153:b484a57bc302 841 @{
AnnaBridge 153:b484a57bc302 842 */
AnnaBridge 153:b484a57bc302 843
AnnaBridge 153:b484a57bc302 844 #if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U)
AnnaBridge 153:b484a57bc302 845
AnnaBridge 153:b484a57bc302 846 /**
AnnaBridge 153:b484a57bc302 847 \brief System Tick Configuration
AnnaBridge 153:b484a57bc302 848 \details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
AnnaBridge 153:b484a57bc302 849 Counter is in free running mode to generate periodic interrupts.
AnnaBridge 153:b484a57bc302 850 \param [in] ticks Number of ticks between two interrupts.
AnnaBridge 153:b484a57bc302 851 \return 0 Function succeeded.
AnnaBridge 153:b484a57bc302 852 \return 1 Function failed.
AnnaBridge 153:b484a57bc302 853 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
AnnaBridge 153:b484a57bc302 854 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
AnnaBridge 153:b484a57bc302 855 must contain a vendor-specific implementation of this function.
AnnaBridge 153:b484a57bc302 856 */
AnnaBridge 153:b484a57bc302 857 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
AnnaBridge 153:b484a57bc302 858 {
AnnaBridge 153:b484a57bc302 859 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
AnnaBridge 153:b484a57bc302 860 {
AnnaBridge 153:b484a57bc302 861 return (1UL); /* Reload value impossible */
AnnaBridge 153:b484a57bc302 862 }
AnnaBridge 153:b484a57bc302 863
AnnaBridge 153:b484a57bc302 864 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
AnnaBridge 153:b484a57bc302 865 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
AnnaBridge 153:b484a57bc302 866 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
AnnaBridge 153:b484a57bc302 867 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
AnnaBridge 153:b484a57bc302 868 SysTick_CTRL_TICKINT_Msk |
AnnaBridge 153:b484a57bc302 869 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
AnnaBridge 153:b484a57bc302 870 return (0UL); /* Function successful */
AnnaBridge 153:b484a57bc302 871 }
AnnaBridge 153:b484a57bc302 872
AnnaBridge 153:b484a57bc302 873 #endif
AnnaBridge 153:b484a57bc302 874
AnnaBridge 153:b484a57bc302 875 /*@} end of CMSIS_Core_SysTickFunctions */
AnnaBridge 153:b484a57bc302 876
AnnaBridge 153:b484a57bc302 877
AnnaBridge 153:b484a57bc302 878
AnnaBridge 153:b484a57bc302 879
AnnaBridge 153:b484a57bc302 880 #ifdef __cplusplus
AnnaBridge 153:b484a57bc302 881 }
AnnaBridge 153:b484a57bc302 882 #endif
AnnaBridge 153:b484a57bc302 883
AnnaBridge 153:b484a57bc302 884 #endif /* __CORE_CM0_H_DEPENDANT */
AnnaBridge 153:b484a57bc302 885
AnnaBridge 153:b484a57bc302 886 #endif /* __CMSIS_GENERIC */