mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

cmsis/BUILD/mbed/TARGET_DISCO_L496AG/TOOLCHAIN_ARM_STD/core_cm0.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /**************************************************************************//**
AnnaBridge 189:f392fc9709a3 2 * @file core_cm0.h
AnnaBridge 189:f392fc9709a3 3 * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File
AnnaBridge 189:f392fc9709a3 4 * @version V5.0.5
AnnaBridge 189:f392fc9709a3 5 * @date 28. May 2018
AnnaBridge 189:f392fc9709a3 6 ******************************************************************************/
AnnaBridge 189:f392fc9709a3 7 /*
AnnaBridge 189:f392fc9709a3 8 * Copyright (c) 2009-2018 Arm Limited. All rights reserved.
AnnaBridge 189:f392fc9709a3 9 *
AnnaBridge 189:f392fc9709a3 10 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 189:f392fc9709a3 11 *
AnnaBridge 189:f392fc9709a3 12 * Licensed under the Apache License, Version 2.0 (the License); you may
AnnaBridge 189:f392fc9709a3 13 * not use this file except in compliance with the License.
AnnaBridge 189:f392fc9709a3 14 * You may obtain a copy of the License at
AnnaBridge 189:f392fc9709a3 15 *
AnnaBridge 189:f392fc9709a3 16 * www.apache.org/licenses/LICENSE-2.0
AnnaBridge 189:f392fc9709a3 17 *
AnnaBridge 189:f392fc9709a3 18 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 189:f392fc9709a3 19 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
AnnaBridge 189:f392fc9709a3 20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 189:f392fc9709a3 21 * See the License for the specific language governing permissions and
AnnaBridge 189:f392fc9709a3 22 * limitations under the License.
AnnaBridge 189:f392fc9709a3 23 */
AnnaBridge 189:f392fc9709a3 24
AnnaBridge 189:f392fc9709a3 25 #if defined ( __ICCARM__ )
AnnaBridge 189:f392fc9709a3 26 #pragma system_include /* treat file as system include file for MISRA check */
AnnaBridge 189:f392fc9709a3 27 #elif defined (__clang__)
AnnaBridge 189:f392fc9709a3 28 #pragma clang system_header /* treat file as system include file */
AnnaBridge 189:f392fc9709a3 29 #endif
AnnaBridge 189:f392fc9709a3 30
AnnaBridge 189:f392fc9709a3 31 #ifndef __CORE_CM0_H_GENERIC
AnnaBridge 189:f392fc9709a3 32 #define __CORE_CM0_H_GENERIC
AnnaBridge 189:f392fc9709a3 33
AnnaBridge 189:f392fc9709a3 34 #include <stdint.h>
AnnaBridge 189:f392fc9709a3 35
AnnaBridge 189:f392fc9709a3 36 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 37 extern "C" {
AnnaBridge 189:f392fc9709a3 38 #endif
AnnaBridge 189:f392fc9709a3 39
AnnaBridge 189:f392fc9709a3 40 /**
AnnaBridge 189:f392fc9709a3 41 \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
AnnaBridge 189:f392fc9709a3 42 CMSIS violates the following MISRA-C:2004 rules:
AnnaBridge 189:f392fc9709a3 43
AnnaBridge 189:f392fc9709a3 44 \li Required Rule 8.5, object/function definition in header file.<br>
AnnaBridge 189:f392fc9709a3 45 Function definitions in header files are used to allow 'inlining'.
AnnaBridge 189:f392fc9709a3 46
AnnaBridge 189:f392fc9709a3 47 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
AnnaBridge 189:f392fc9709a3 48 Unions are used for effective representation of core registers.
AnnaBridge 189:f392fc9709a3 49
AnnaBridge 189:f392fc9709a3 50 \li Advisory Rule 19.7, Function-like macro defined.<br>
AnnaBridge 189:f392fc9709a3 51 Function-like macros are used to allow more efficient code.
AnnaBridge 189:f392fc9709a3 52 */
AnnaBridge 189:f392fc9709a3 53
AnnaBridge 189:f392fc9709a3 54
AnnaBridge 189:f392fc9709a3 55 /*******************************************************************************
AnnaBridge 189:f392fc9709a3 56 * CMSIS definitions
AnnaBridge 189:f392fc9709a3 57 ******************************************************************************/
AnnaBridge 189:f392fc9709a3 58 /**
AnnaBridge 189:f392fc9709a3 59 \ingroup Cortex_M0
AnnaBridge 189:f392fc9709a3 60 @{
AnnaBridge 189:f392fc9709a3 61 */
AnnaBridge 189:f392fc9709a3 62
AnnaBridge 189:f392fc9709a3 63 #include "cmsis_version.h"
AnnaBridge 189:f392fc9709a3 64
AnnaBridge 189:f392fc9709a3 65 /* CMSIS CM0 definitions */
AnnaBridge 189:f392fc9709a3 66 #define __CM0_CMSIS_VERSION_MAIN (__CM_CMSIS_VERSION_MAIN) /*!< \deprecated [31:16] CMSIS HAL main version */
AnnaBridge 189:f392fc9709a3 67 #define __CM0_CMSIS_VERSION_SUB (__CM_CMSIS_VERSION_SUB) /*!< \deprecated [15:0] CMSIS HAL sub version */
AnnaBridge 189:f392fc9709a3 68 #define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16U) | \
AnnaBridge 189:f392fc9709a3 69 __CM0_CMSIS_VERSION_SUB ) /*!< \deprecated CMSIS HAL version number */
AnnaBridge 189:f392fc9709a3 70
AnnaBridge 189:f392fc9709a3 71 #define __CORTEX_M (0U) /*!< Cortex-M Core */
AnnaBridge 189:f392fc9709a3 72
AnnaBridge 189:f392fc9709a3 73 /** __FPU_USED indicates whether an FPU is used or not.
AnnaBridge 189:f392fc9709a3 74 This core does not support an FPU at all
AnnaBridge 189:f392fc9709a3 75 */
AnnaBridge 189:f392fc9709a3 76 #define __FPU_USED 0U
AnnaBridge 189:f392fc9709a3 77
AnnaBridge 189:f392fc9709a3 78 #if defined ( __CC_ARM )
AnnaBridge 189:f392fc9709a3 79 #if defined __TARGET_FPU_VFP
AnnaBridge 189:f392fc9709a3 80 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 189:f392fc9709a3 81 #endif
AnnaBridge 189:f392fc9709a3 82
AnnaBridge 189:f392fc9709a3 83 #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
AnnaBridge 189:f392fc9709a3 84 #if defined __ARM_FP
AnnaBridge 189:f392fc9709a3 85 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 189:f392fc9709a3 86 #endif
AnnaBridge 189:f392fc9709a3 87
AnnaBridge 189:f392fc9709a3 88 #elif defined ( __GNUC__ )
AnnaBridge 189:f392fc9709a3 89 #if defined (__VFP_FP__) && !defined(__SOFTFP__)
AnnaBridge 189:f392fc9709a3 90 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 189:f392fc9709a3 91 #endif
AnnaBridge 189:f392fc9709a3 92
AnnaBridge 189:f392fc9709a3 93 #elif defined ( __ICCARM__ )
AnnaBridge 189:f392fc9709a3 94 #if defined __ARMVFP__
AnnaBridge 189:f392fc9709a3 95 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 189:f392fc9709a3 96 #endif
AnnaBridge 189:f392fc9709a3 97
AnnaBridge 189:f392fc9709a3 98 #elif defined ( __TI_ARM__ )
AnnaBridge 189:f392fc9709a3 99 #if defined __TI_VFP_SUPPORT__
AnnaBridge 189:f392fc9709a3 100 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 189:f392fc9709a3 101 #endif
AnnaBridge 189:f392fc9709a3 102
AnnaBridge 189:f392fc9709a3 103 #elif defined ( __TASKING__ )
AnnaBridge 189:f392fc9709a3 104 #if defined __FPU_VFP__
AnnaBridge 189:f392fc9709a3 105 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 189:f392fc9709a3 106 #endif
AnnaBridge 189:f392fc9709a3 107
AnnaBridge 189:f392fc9709a3 108 #elif defined ( __CSMC__ )
AnnaBridge 189:f392fc9709a3 109 #if ( __CSMC__ & 0x400U)
AnnaBridge 189:f392fc9709a3 110 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
AnnaBridge 189:f392fc9709a3 111 #endif
AnnaBridge 189:f392fc9709a3 112
AnnaBridge 189:f392fc9709a3 113 #endif
AnnaBridge 189:f392fc9709a3 114
AnnaBridge 189:f392fc9709a3 115 #include "cmsis_compiler.h" /* CMSIS compiler specific defines */
AnnaBridge 189:f392fc9709a3 116
AnnaBridge 189:f392fc9709a3 117
AnnaBridge 189:f392fc9709a3 118 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 119 }
AnnaBridge 189:f392fc9709a3 120 #endif
AnnaBridge 189:f392fc9709a3 121
AnnaBridge 189:f392fc9709a3 122 #endif /* __CORE_CM0_H_GENERIC */
AnnaBridge 189:f392fc9709a3 123
AnnaBridge 189:f392fc9709a3 124 #ifndef __CMSIS_GENERIC
AnnaBridge 189:f392fc9709a3 125
AnnaBridge 189:f392fc9709a3 126 #ifndef __CORE_CM0_H_DEPENDANT
AnnaBridge 189:f392fc9709a3 127 #define __CORE_CM0_H_DEPENDANT
AnnaBridge 189:f392fc9709a3 128
AnnaBridge 189:f392fc9709a3 129 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 130 extern "C" {
AnnaBridge 189:f392fc9709a3 131 #endif
AnnaBridge 189:f392fc9709a3 132
AnnaBridge 189:f392fc9709a3 133 /* check device defines and use defaults */
AnnaBridge 189:f392fc9709a3 134 #if defined __CHECK_DEVICE_DEFINES
AnnaBridge 189:f392fc9709a3 135 #ifndef __CM0_REV
AnnaBridge 189:f392fc9709a3 136 #define __CM0_REV 0x0000U
AnnaBridge 189:f392fc9709a3 137 #warning "__CM0_REV not defined in device header file; using default!"
AnnaBridge 189:f392fc9709a3 138 #endif
AnnaBridge 189:f392fc9709a3 139
AnnaBridge 189:f392fc9709a3 140 #ifndef __NVIC_PRIO_BITS
AnnaBridge 189:f392fc9709a3 141 #define __NVIC_PRIO_BITS 2U
AnnaBridge 189:f392fc9709a3 142 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
AnnaBridge 189:f392fc9709a3 143 #endif
AnnaBridge 189:f392fc9709a3 144
AnnaBridge 189:f392fc9709a3 145 #ifndef __Vendor_SysTickConfig
AnnaBridge 189:f392fc9709a3 146 #define __Vendor_SysTickConfig 0U
AnnaBridge 189:f392fc9709a3 147 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
AnnaBridge 189:f392fc9709a3 148 #endif
AnnaBridge 189:f392fc9709a3 149 #endif
AnnaBridge 189:f392fc9709a3 150
AnnaBridge 189:f392fc9709a3 151 /* IO definitions (access restrictions to peripheral registers) */
AnnaBridge 189:f392fc9709a3 152 /**
AnnaBridge 189:f392fc9709a3 153 \defgroup CMSIS_glob_defs CMSIS Global Defines
AnnaBridge 189:f392fc9709a3 154
AnnaBridge 189:f392fc9709a3 155 <strong>IO Type Qualifiers</strong> are used
AnnaBridge 189:f392fc9709a3 156 \li to specify the access to peripheral variables.
AnnaBridge 189:f392fc9709a3 157 \li for automatic generation of peripheral register debug information.
AnnaBridge 189:f392fc9709a3 158 */
AnnaBridge 189:f392fc9709a3 159 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 160 #define __I volatile /*!< Defines 'read only' permissions */
AnnaBridge 189:f392fc9709a3 161 #else
AnnaBridge 189:f392fc9709a3 162 #define __I volatile const /*!< Defines 'read only' permissions */
AnnaBridge 189:f392fc9709a3 163 #endif
AnnaBridge 189:f392fc9709a3 164 #define __O volatile /*!< Defines 'write only' permissions */
AnnaBridge 189:f392fc9709a3 165 #define __IO volatile /*!< Defines 'read / write' permissions */
AnnaBridge 189:f392fc9709a3 166
AnnaBridge 189:f392fc9709a3 167 /* following defines should be used for structure members */
AnnaBridge 189:f392fc9709a3 168 #define __IM volatile const /*! Defines 'read only' structure member permissions */
AnnaBridge 189:f392fc9709a3 169 #define __OM volatile /*! Defines 'write only' structure member permissions */
AnnaBridge 189:f392fc9709a3 170 #define __IOM volatile /*! Defines 'read / write' structure member permissions */
AnnaBridge 189:f392fc9709a3 171
AnnaBridge 189:f392fc9709a3 172 /*@} end of group Cortex_M0 */
AnnaBridge 189:f392fc9709a3 173
AnnaBridge 189:f392fc9709a3 174
AnnaBridge 189:f392fc9709a3 175
AnnaBridge 189:f392fc9709a3 176 /*******************************************************************************
AnnaBridge 189:f392fc9709a3 177 * Register Abstraction
AnnaBridge 189:f392fc9709a3 178 Core Register contain:
AnnaBridge 189:f392fc9709a3 179 - Core Register
AnnaBridge 189:f392fc9709a3 180 - Core NVIC Register
AnnaBridge 189:f392fc9709a3 181 - Core SCB Register
AnnaBridge 189:f392fc9709a3 182 - Core SysTick Register
AnnaBridge 189:f392fc9709a3 183 ******************************************************************************/
AnnaBridge 189:f392fc9709a3 184 /**
AnnaBridge 189:f392fc9709a3 185 \defgroup CMSIS_core_register Defines and Type Definitions
AnnaBridge 189:f392fc9709a3 186 \brief Type definitions and defines for Cortex-M processor based devices.
AnnaBridge 189:f392fc9709a3 187 */
AnnaBridge 189:f392fc9709a3 188
AnnaBridge 189:f392fc9709a3 189 /**
AnnaBridge 189:f392fc9709a3 190 \ingroup CMSIS_core_register
AnnaBridge 189:f392fc9709a3 191 \defgroup CMSIS_CORE Status and Control Registers
AnnaBridge 189:f392fc9709a3 192 \brief Core Register type definitions.
AnnaBridge 189:f392fc9709a3 193 @{
AnnaBridge 189:f392fc9709a3 194 */
AnnaBridge 189:f392fc9709a3 195
AnnaBridge 189:f392fc9709a3 196 /**
AnnaBridge 189:f392fc9709a3 197 \brief Union type to access the Application Program Status Register (APSR).
AnnaBridge 189:f392fc9709a3 198 */
AnnaBridge 189:f392fc9709a3 199 typedef union
AnnaBridge 189:f392fc9709a3 200 {
AnnaBridge 189:f392fc9709a3 201 struct
AnnaBridge 189:f392fc9709a3 202 {
AnnaBridge 189:f392fc9709a3 203 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
AnnaBridge 189:f392fc9709a3 204 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
AnnaBridge 189:f392fc9709a3 205 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
AnnaBridge 189:f392fc9709a3 206 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
AnnaBridge 189:f392fc9709a3 207 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
AnnaBridge 189:f392fc9709a3 208 } b; /*!< Structure used for bit access */
AnnaBridge 189:f392fc9709a3 209 uint32_t w; /*!< Type used for word access */
AnnaBridge 189:f392fc9709a3 210 } APSR_Type;
AnnaBridge 189:f392fc9709a3 211
AnnaBridge 189:f392fc9709a3 212 /* APSR Register Definitions */
AnnaBridge 189:f392fc9709a3 213 #define APSR_N_Pos 31U /*!< APSR: N Position */
AnnaBridge 189:f392fc9709a3 214 #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
AnnaBridge 189:f392fc9709a3 215
AnnaBridge 189:f392fc9709a3 216 #define APSR_Z_Pos 30U /*!< APSR: Z Position */
AnnaBridge 189:f392fc9709a3 217 #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
AnnaBridge 189:f392fc9709a3 218
AnnaBridge 189:f392fc9709a3 219 #define APSR_C_Pos 29U /*!< APSR: C Position */
AnnaBridge 189:f392fc9709a3 220 #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
AnnaBridge 189:f392fc9709a3 221
AnnaBridge 189:f392fc9709a3 222 #define APSR_V_Pos 28U /*!< APSR: V Position */
AnnaBridge 189:f392fc9709a3 223 #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
AnnaBridge 189:f392fc9709a3 224
AnnaBridge 189:f392fc9709a3 225
AnnaBridge 189:f392fc9709a3 226 /**
AnnaBridge 189:f392fc9709a3 227 \brief Union type to access the Interrupt Program Status Register (IPSR).
AnnaBridge 189:f392fc9709a3 228 */
AnnaBridge 189:f392fc9709a3 229 typedef union
AnnaBridge 189:f392fc9709a3 230 {
AnnaBridge 189:f392fc9709a3 231 struct
AnnaBridge 189:f392fc9709a3 232 {
AnnaBridge 189:f392fc9709a3 233 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
AnnaBridge 189:f392fc9709a3 234 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
AnnaBridge 189:f392fc9709a3 235 } b; /*!< Structure used for bit access */
AnnaBridge 189:f392fc9709a3 236 uint32_t w; /*!< Type used for word access */
AnnaBridge 189:f392fc9709a3 237 } IPSR_Type;
AnnaBridge 189:f392fc9709a3 238
AnnaBridge 189:f392fc9709a3 239 /* IPSR Register Definitions */
AnnaBridge 189:f392fc9709a3 240 #define IPSR_ISR_Pos 0U /*!< IPSR: ISR Position */
AnnaBridge 189:f392fc9709a3 241 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
AnnaBridge 189:f392fc9709a3 242
AnnaBridge 189:f392fc9709a3 243
AnnaBridge 189:f392fc9709a3 244 /**
AnnaBridge 189:f392fc9709a3 245 \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
AnnaBridge 189:f392fc9709a3 246 */
AnnaBridge 189:f392fc9709a3 247 typedef union
AnnaBridge 189:f392fc9709a3 248 {
AnnaBridge 189:f392fc9709a3 249 struct
AnnaBridge 189:f392fc9709a3 250 {
AnnaBridge 189:f392fc9709a3 251 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
AnnaBridge 189:f392fc9709a3 252 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
AnnaBridge 189:f392fc9709a3 253 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
AnnaBridge 189:f392fc9709a3 254 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
AnnaBridge 189:f392fc9709a3 255 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
AnnaBridge 189:f392fc9709a3 256 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
AnnaBridge 189:f392fc9709a3 257 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
AnnaBridge 189:f392fc9709a3 258 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
AnnaBridge 189:f392fc9709a3 259 } b; /*!< Structure used for bit access */
AnnaBridge 189:f392fc9709a3 260 uint32_t w; /*!< Type used for word access */
AnnaBridge 189:f392fc9709a3 261 } xPSR_Type;
AnnaBridge 189:f392fc9709a3 262
AnnaBridge 189:f392fc9709a3 263 /* xPSR Register Definitions */
AnnaBridge 189:f392fc9709a3 264 #define xPSR_N_Pos 31U /*!< xPSR: N Position */
AnnaBridge 189:f392fc9709a3 265 #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
AnnaBridge 189:f392fc9709a3 266
AnnaBridge 189:f392fc9709a3 267 #define xPSR_Z_Pos 30U /*!< xPSR: Z Position */
AnnaBridge 189:f392fc9709a3 268 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
AnnaBridge 189:f392fc9709a3 269
AnnaBridge 189:f392fc9709a3 270 #define xPSR_C_Pos 29U /*!< xPSR: C Position */
AnnaBridge 189:f392fc9709a3 271 #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
AnnaBridge 189:f392fc9709a3 272
AnnaBridge 189:f392fc9709a3 273 #define xPSR_V_Pos 28U /*!< xPSR: V Position */
AnnaBridge 189:f392fc9709a3 274 #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
AnnaBridge 189:f392fc9709a3 275
AnnaBridge 189:f392fc9709a3 276 #define xPSR_T_Pos 24U /*!< xPSR: T Position */
AnnaBridge 189:f392fc9709a3 277 #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
AnnaBridge 189:f392fc9709a3 278
AnnaBridge 189:f392fc9709a3 279 #define xPSR_ISR_Pos 0U /*!< xPSR: ISR Position */
AnnaBridge 189:f392fc9709a3 280 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
AnnaBridge 189:f392fc9709a3 281
AnnaBridge 189:f392fc9709a3 282
AnnaBridge 189:f392fc9709a3 283 /**
AnnaBridge 189:f392fc9709a3 284 \brief Union type to access the Control Registers (CONTROL).
AnnaBridge 189:f392fc9709a3 285 */
AnnaBridge 189:f392fc9709a3 286 typedef union
AnnaBridge 189:f392fc9709a3 287 {
AnnaBridge 189:f392fc9709a3 288 struct
AnnaBridge 189:f392fc9709a3 289 {
AnnaBridge 189:f392fc9709a3 290 uint32_t _reserved0:1; /*!< bit: 0 Reserved */
AnnaBridge 189:f392fc9709a3 291 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
AnnaBridge 189:f392fc9709a3 292 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
AnnaBridge 189:f392fc9709a3 293 } b; /*!< Structure used for bit access */
AnnaBridge 189:f392fc9709a3 294 uint32_t w; /*!< Type used for word access */
AnnaBridge 189:f392fc9709a3 295 } CONTROL_Type;
AnnaBridge 189:f392fc9709a3 296
AnnaBridge 189:f392fc9709a3 297 /* CONTROL Register Definitions */
AnnaBridge 189:f392fc9709a3 298 #define CONTROL_SPSEL_Pos 1U /*!< CONTROL: SPSEL Position */
AnnaBridge 189:f392fc9709a3 299 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
AnnaBridge 189:f392fc9709a3 300
AnnaBridge 189:f392fc9709a3 301 /*@} end of group CMSIS_CORE */
AnnaBridge 189:f392fc9709a3 302
AnnaBridge 189:f392fc9709a3 303
AnnaBridge 189:f392fc9709a3 304 /**
AnnaBridge 189:f392fc9709a3 305 \ingroup CMSIS_core_register
AnnaBridge 189:f392fc9709a3 306 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
AnnaBridge 189:f392fc9709a3 307 \brief Type definitions for the NVIC Registers
AnnaBridge 189:f392fc9709a3 308 @{
AnnaBridge 189:f392fc9709a3 309 */
AnnaBridge 189:f392fc9709a3 310
AnnaBridge 189:f392fc9709a3 311 /**
AnnaBridge 189:f392fc9709a3 312 \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
AnnaBridge 189:f392fc9709a3 313 */
AnnaBridge 189:f392fc9709a3 314 typedef struct
AnnaBridge 189:f392fc9709a3 315 {
AnnaBridge 189:f392fc9709a3 316 __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
AnnaBridge 189:f392fc9709a3 317 uint32_t RESERVED0[31U];
AnnaBridge 189:f392fc9709a3 318 __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
AnnaBridge 189:f392fc9709a3 319 uint32_t RSERVED1[31U];
AnnaBridge 189:f392fc9709a3 320 __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
AnnaBridge 189:f392fc9709a3 321 uint32_t RESERVED2[31U];
AnnaBridge 189:f392fc9709a3 322 __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
AnnaBridge 189:f392fc9709a3 323 uint32_t RESERVED3[31U];
AnnaBridge 189:f392fc9709a3 324 uint32_t RESERVED4[64U];
AnnaBridge 189:f392fc9709a3 325 __IOM uint32_t IP[8U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
AnnaBridge 189:f392fc9709a3 326 } NVIC_Type;
AnnaBridge 189:f392fc9709a3 327
AnnaBridge 189:f392fc9709a3 328 /*@} end of group CMSIS_NVIC */
AnnaBridge 189:f392fc9709a3 329
AnnaBridge 189:f392fc9709a3 330
AnnaBridge 189:f392fc9709a3 331 /**
AnnaBridge 189:f392fc9709a3 332 \ingroup CMSIS_core_register
AnnaBridge 189:f392fc9709a3 333 \defgroup CMSIS_SCB System Control Block (SCB)
AnnaBridge 189:f392fc9709a3 334 \brief Type definitions for the System Control Block Registers
AnnaBridge 189:f392fc9709a3 335 @{
AnnaBridge 189:f392fc9709a3 336 */
AnnaBridge 189:f392fc9709a3 337
AnnaBridge 189:f392fc9709a3 338 /**
AnnaBridge 189:f392fc9709a3 339 \brief Structure type to access the System Control Block (SCB).
AnnaBridge 189:f392fc9709a3 340 */
AnnaBridge 189:f392fc9709a3 341 typedef struct
AnnaBridge 189:f392fc9709a3 342 {
AnnaBridge 189:f392fc9709a3 343 __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
AnnaBridge 189:f392fc9709a3 344 __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
AnnaBridge 189:f392fc9709a3 345 uint32_t RESERVED0;
AnnaBridge 189:f392fc9709a3 346 __IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
AnnaBridge 189:f392fc9709a3 347 __IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
AnnaBridge 189:f392fc9709a3 348 __IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
AnnaBridge 189:f392fc9709a3 349 uint32_t RESERVED1;
AnnaBridge 189:f392fc9709a3 350 __IOM uint32_t SHP[2U]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
AnnaBridge 189:f392fc9709a3 351 __IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
AnnaBridge 189:f392fc9709a3 352 } SCB_Type;
AnnaBridge 189:f392fc9709a3 353
AnnaBridge 189:f392fc9709a3 354 /* SCB CPUID Register Definitions */
AnnaBridge 189:f392fc9709a3 355 #define SCB_CPUID_IMPLEMENTER_Pos 24U /*!< SCB CPUID: IMPLEMENTER Position */
AnnaBridge 189:f392fc9709a3 356 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
AnnaBridge 189:f392fc9709a3 357
AnnaBridge 189:f392fc9709a3 358 #define SCB_CPUID_VARIANT_Pos 20U /*!< SCB CPUID: VARIANT Position */
AnnaBridge 189:f392fc9709a3 359 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
AnnaBridge 189:f392fc9709a3 360
AnnaBridge 189:f392fc9709a3 361 #define SCB_CPUID_ARCHITECTURE_Pos 16U /*!< SCB CPUID: ARCHITECTURE Position */
AnnaBridge 189:f392fc9709a3 362 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
AnnaBridge 189:f392fc9709a3 363
AnnaBridge 189:f392fc9709a3 364 #define SCB_CPUID_PARTNO_Pos 4U /*!< SCB CPUID: PARTNO Position */
AnnaBridge 189:f392fc9709a3 365 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
AnnaBridge 189:f392fc9709a3 366
AnnaBridge 189:f392fc9709a3 367 #define SCB_CPUID_REVISION_Pos 0U /*!< SCB CPUID: REVISION Position */
AnnaBridge 189:f392fc9709a3 368 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */
AnnaBridge 189:f392fc9709a3 369
AnnaBridge 189:f392fc9709a3 370 /* SCB Interrupt Control State Register Definitions */
AnnaBridge 189:f392fc9709a3 371 #define SCB_ICSR_NMIPENDSET_Pos 31U /*!< SCB ICSR: NMIPENDSET Position */
AnnaBridge 189:f392fc9709a3 372 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
AnnaBridge 189:f392fc9709a3 373
AnnaBridge 189:f392fc9709a3 374 #define SCB_ICSR_PENDSVSET_Pos 28U /*!< SCB ICSR: PENDSVSET Position */
AnnaBridge 189:f392fc9709a3 375 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
AnnaBridge 189:f392fc9709a3 376
AnnaBridge 189:f392fc9709a3 377 #define SCB_ICSR_PENDSVCLR_Pos 27U /*!< SCB ICSR: PENDSVCLR Position */
AnnaBridge 189:f392fc9709a3 378 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
AnnaBridge 189:f392fc9709a3 379
AnnaBridge 189:f392fc9709a3 380 #define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */
AnnaBridge 189:f392fc9709a3 381 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
AnnaBridge 189:f392fc9709a3 382
AnnaBridge 189:f392fc9709a3 383 #define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */
AnnaBridge 189:f392fc9709a3 384 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
AnnaBridge 189:f392fc9709a3 385
AnnaBridge 189:f392fc9709a3 386 #define SCB_ICSR_ISRPREEMPT_Pos 23U /*!< SCB ICSR: ISRPREEMPT Position */
AnnaBridge 189:f392fc9709a3 387 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
AnnaBridge 189:f392fc9709a3 388
AnnaBridge 189:f392fc9709a3 389 #define SCB_ICSR_ISRPENDING_Pos 22U /*!< SCB ICSR: ISRPENDING Position */
AnnaBridge 189:f392fc9709a3 390 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
AnnaBridge 189:f392fc9709a3 391
AnnaBridge 189:f392fc9709a3 392 #define SCB_ICSR_VECTPENDING_Pos 12U /*!< SCB ICSR: VECTPENDING Position */
AnnaBridge 189:f392fc9709a3 393 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
AnnaBridge 189:f392fc9709a3 394
AnnaBridge 189:f392fc9709a3 395 #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */
AnnaBridge 189:f392fc9709a3 396 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */
AnnaBridge 189:f392fc9709a3 397
AnnaBridge 189:f392fc9709a3 398 /* SCB Application Interrupt and Reset Control Register Definitions */
AnnaBridge 189:f392fc9709a3 399 #define SCB_AIRCR_VECTKEY_Pos 16U /*!< SCB AIRCR: VECTKEY Position */
AnnaBridge 189:f392fc9709a3 400 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
AnnaBridge 189:f392fc9709a3 401
AnnaBridge 189:f392fc9709a3 402 #define SCB_AIRCR_VECTKEYSTAT_Pos 16U /*!< SCB AIRCR: VECTKEYSTAT Position */
AnnaBridge 189:f392fc9709a3 403 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
AnnaBridge 189:f392fc9709a3 404
AnnaBridge 189:f392fc9709a3 405 #define SCB_AIRCR_ENDIANESS_Pos 15U /*!< SCB AIRCR: ENDIANESS Position */
AnnaBridge 189:f392fc9709a3 406 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
AnnaBridge 189:f392fc9709a3 407
AnnaBridge 189:f392fc9709a3 408 #define SCB_AIRCR_SYSRESETREQ_Pos 2U /*!< SCB AIRCR: SYSRESETREQ Position */
AnnaBridge 189:f392fc9709a3 409 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
AnnaBridge 189:f392fc9709a3 410
AnnaBridge 189:f392fc9709a3 411 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U /*!< SCB AIRCR: VECTCLRACTIVE Position */
AnnaBridge 189:f392fc9709a3 412 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
AnnaBridge 189:f392fc9709a3 413
AnnaBridge 189:f392fc9709a3 414 /* SCB System Control Register Definitions */
AnnaBridge 189:f392fc9709a3 415 #define SCB_SCR_SEVONPEND_Pos 4U /*!< SCB SCR: SEVONPEND Position */
AnnaBridge 189:f392fc9709a3 416 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
AnnaBridge 189:f392fc9709a3 417
AnnaBridge 189:f392fc9709a3 418 #define SCB_SCR_SLEEPDEEP_Pos 2U /*!< SCB SCR: SLEEPDEEP Position */
AnnaBridge 189:f392fc9709a3 419 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
AnnaBridge 189:f392fc9709a3 420
AnnaBridge 189:f392fc9709a3 421 #define SCB_SCR_SLEEPONEXIT_Pos 1U /*!< SCB SCR: SLEEPONEXIT Position */
AnnaBridge 189:f392fc9709a3 422 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
AnnaBridge 189:f392fc9709a3 423
AnnaBridge 189:f392fc9709a3 424 /* SCB Configuration Control Register Definitions */
AnnaBridge 189:f392fc9709a3 425 #define SCB_CCR_STKALIGN_Pos 9U /*!< SCB CCR: STKALIGN Position */
AnnaBridge 189:f392fc9709a3 426 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
AnnaBridge 189:f392fc9709a3 427
AnnaBridge 189:f392fc9709a3 428 #define SCB_CCR_UNALIGN_TRP_Pos 3U /*!< SCB CCR: UNALIGN_TRP Position */
AnnaBridge 189:f392fc9709a3 429 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
AnnaBridge 189:f392fc9709a3 430
AnnaBridge 189:f392fc9709a3 431 /* SCB System Handler Control and State Register Definitions */
AnnaBridge 189:f392fc9709a3 432 #define SCB_SHCSR_SVCALLPENDED_Pos 15U /*!< SCB SHCSR: SVCALLPENDED Position */
AnnaBridge 189:f392fc9709a3 433 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
AnnaBridge 189:f392fc9709a3 434
AnnaBridge 189:f392fc9709a3 435 /*@} end of group CMSIS_SCB */
AnnaBridge 189:f392fc9709a3 436
AnnaBridge 189:f392fc9709a3 437
AnnaBridge 189:f392fc9709a3 438 /**
AnnaBridge 189:f392fc9709a3 439 \ingroup CMSIS_core_register
AnnaBridge 189:f392fc9709a3 440 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
AnnaBridge 189:f392fc9709a3 441 \brief Type definitions for the System Timer Registers.
AnnaBridge 189:f392fc9709a3 442 @{
AnnaBridge 189:f392fc9709a3 443 */
AnnaBridge 189:f392fc9709a3 444
AnnaBridge 189:f392fc9709a3 445 /**
AnnaBridge 189:f392fc9709a3 446 \brief Structure type to access the System Timer (SysTick).
AnnaBridge 189:f392fc9709a3 447 */
AnnaBridge 189:f392fc9709a3 448 typedef struct
AnnaBridge 189:f392fc9709a3 449 {
AnnaBridge 189:f392fc9709a3 450 __IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
AnnaBridge 189:f392fc9709a3 451 __IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
AnnaBridge 189:f392fc9709a3 452 __IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
AnnaBridge 189:f392fc9709a3 453 __IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
AnnaBridge 189:f392fc9709a3 454 } SysTick_Type;
AnnaBridge 189:f392fc9709a3 455
AnnaBridge 189:f392fc9709a3 456 /* SysTick Control / Status Register Definitions */
AnnaBridge 189:f392fc9709a3 457 #define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */
AnnaBridge 189:f392fc9709a3 458 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
AnnaBridge 189:f392fc9709a3 459
AnnaBridge 189:f392fc9709a3 460 #define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */
AnnaBridge 189:f392fc9709a3 461 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
AnnaBridge 189:f392fc9709a3 462
AnnaBridge 189:f392fc9709a3 463 #define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */
AnnaBridge 189:f392fc9709a3 464 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
AnnaBridge 189:f392fc9709a3 465
AnnaBridge 189:f392fc9709a3 466 #define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */
AnnaBridge 189:f392fc9709a3 467 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */
AnnaBridge 189:f392fc9709a3 468
AnnaBridge 189:f392fc9709a3 469 /* SysTick Reload Register Definitions */
AnnaBridge 189:f392fc9709a3 470 #define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */
AnnaBridge 189:f392fc9709a3 471 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */
AnnaBridge 189:f392fc9709a3 472
AnnaBridge 189:f392fc9709a3 473 /* SysTick Current Register Definitions */
AnnaBridge 189:f392fc9709a3 474 #define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */
AnnaBridge 189:f392fc9709a3 475 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */
AnnaBridge 189:f392fc9709a3 476
AnnaBridge 189:f392fc9709a3 477 /* SysTick Calibration Register Definitions */
AnnaBridge 189:f392fc9709a3 478 #define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */
AnnaBridge 189:f392fc9709a3 479 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
AnnaBridge 189:f392fc9709a3 480
AnnaBridge 189:f392fc9709a3 481 #define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */
AnnaBridge 189:f392fc9709a3 482 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
AnnaBridge 189:f392fc9709a3 483
AnnaBridge 189:f392fc9709a3 484 #define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */
AnnaBridge 189:f392fc9709a3 485 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
AnnaBridge 189:f392fc9709a3 486
AnnaBridge 189:f392fc9709a3 487 /*@} end of group CMSIS_SysTick */
AnnaBridge 189:f392fc9709a3 488
AnnaBridge 189:f392fc9709a3 489
AnnaBridge 189:f392fc9709a3 490 /**
AnnaBridge 189:f392fc9709a3 491 \ingroup CMSIS_core_register
AnnaBridge 189:f392fc9709a3 492 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
AnnaBridge 189:f392fc9709a3 493 \brief Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor.
AnnaBridge 189:f392fc9709a3 494 Therefore they are not covered by the Cortex-M0 header file.
AnnaBridge 189:f392fc9709a3 495 @{
AnnaBridge 189:f392fc9709a3 496 */
AnnaBridge 189:f392fc9709a3 497 /*@} end of group CMSIS_CoreDebug */
AnnaBridge 189:f392fc9709a3 498
AnnaBridge 189:f392fc9709a3 499
AnnaBridge 189:f392fc9709a3 500 /**
AnnaBridge 189:f392fc9709a3 501 \ingroup CMSIS_core_register
AnnaBridge 189:f392fc9709a3 502 \defgroup CMSIS_core_bitfield Core register bit field macros
AnnaBridge 189:f392fc9709a3 503 \brief Macros for use with bit field definitions (xxx_Pos, xxx_Msk).
AnnaBridge 189:f392fc9709a3 504 @{
AnnaBridge 189:f392fc9709a3 505 */
AnnaBridge 189:f392fc9709a3 506
AnnaBridge 189:f392fc9709a3 507 /**
AnnaBridge 189:f392fc9709a3 508 \brief Mask and shift a bit field value for use in a register bit range.
AnnaBridge 189:f392fc9709a3 509 \param[in] field Name of the register bit field.
AnnaBridge 189:f392fc9709a3 510 \param[in] value Value of the bit field. This parameter is interpreted as an uint32_t type.
AnnaBridge 189:f392fc9709a3 511 \return Masked and shifted value.
AnnaBridge 189:f392fc9709a3 512 */
AnnaBridge 189:f392fc9709a3 513 #define _VAL2FLD(field, value) (((uint32_t)(value) << field ## _Pos) & field ## _Msk)
AnnaBridge 189:f392fc9709a3 514
AnnaBridge 189:f392fc9709a3 515 /**
AnnaBridge 189:f392fc9709a3 516 \brief Mask and shift a register value to extract a bit filed value.
AnnaBridge 189:f392fc9709a3 517 \param[in] field Name of the register bit field.
AnnaBridge 189:f392fc9709a3 518 \param[in] value Value of register. This parameter is interpreted as an uint32_t type.
AnnaBridge 189:f392fc9709a3 519 \return Masked and shifted bit field value.
AnnaBridge 189:f392fc9709a3 520 */
AnnaBridge 189:f392fc9709a3 521 #define _FLD2VAL(field, value) (((uint32_t)(value) & field ## _Msk) >> field ## _Pos)
AnnaBridge 189:f392fc9709a3 522
AnnaBridge 189:f392fc9709a3 523 /*@} end of group CMSIS_core_bitfield */
AnnaBridge 189:f392fc9709a3 524
AnnaBridge 189:f392fc9709a3 525
AnnaBridge 189:f392fc9709a3 526 /**
AnnaBridge 189:f392fc9709a3 527 \ingroup CMSIS_core_register
AnnaBridge 189:f392fc9709a3 528 \defgroup CMSIS_core_base Core Definitions
AnnaBridge 189:f392fc9709a3 529 \brief Definitions for base addresses, unions, and structures.
AnnaBridge 189:f392fc9709a3 530 @{
AnnaBridge 189:f392fc9709a3 531 */
AnnaBridge 189:f392fc9709a3 532
AnnaBridge 189:f392fc9709a3 533 /* Memory mapping of Core Hardware */
AnnaBridge 189:f392fc9709a3 534 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
AnnaBridge 189:f392fc9709a3 535 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
AnnaBridge 189:f392fc9709a3 536 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
AnnaBridge 189:f392fc9709a3 537 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
AnnaBridge 189:f392fc9709a3 538
AnnaBridge 189:f392fc9709a3 539 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
AnnaBridge 189:f392fc9709a3 540 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
AnnaBridge 189:f392fc9709a3 541 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
AnnaBridge 189:f392fc9709a3 542
AnnaBridge 189:f392fc9709a3 543
AnnaBridge 189:f392fc9709a3 544 /*@} */
AnnaBridge 189:f392fc9709a3 545
AnnaBridge 189:f392fc9709a3 546
AnnaBridge 189:f392fc9709a3 547
AnnaBridge 189:f392fc9709a3 548 /*******************************************************************************
AnnaBridge 189:f392fc9709a3 549 * Hardware Abstraction Layer
AnnaBridge 189:f392fc9709a3 550 Core Function Interface contains:
AnnaBridge 189:f392fc9709a3 551 - Core NVIC Functions
AnnaBridge 189:f392fc9709a3 552 - Core SysTick Functions
AnnaBridge 189:f392fc9709a3 553 - Core Register Access Functions
AnnaBridge 189:f392fc9709a3 554 ******************************************************************************/
AnnaBridge 189:f392fc9709a3 555 /**
AnnaBridge 189:f392fc9709a3 556 \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
AnnaBridge 189:f392fc9709a3 557 */
AnnaBridge 189:f392fc9709a3 558
AnnaBridge 189:f392fc9709a3 559
AnnaBridge 189:f392fc9709a3 560
AnnaBridge 189:f392fc9709a3 561 /* ########################## NVIC functions #################################### */
AnnaBridge 189:f392fc9709a3 562 /**
AnnaBridge 189:f392fc9709a3 563 \ingroup CMSIS_Core_FunctionInterface
AnnaBridge 189:f392fc9709a3 564 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
AnnaBridge 189:f392fc9709a3 565 \brief Functions that manage interrupts and exceptions via the NVIC.
AnnaBridge 189:f392fc9709a3 566 @{
AnnaBridge 189:f392fc9709a3 567 */
AnnaBridge 189:f392fc9709a3 568
AnnaBridge 189:f392fc9709a3 569 #ifdef CMSIS_NVIC_VIRTUAL
AnnaBridge 189:f392fc9709a3 570 #ifndef CMSIS_NVIC_VIRTUAL_HEADER_FILE
AnnaBridge 189:f392fc9709a3 571 #define CMSIS_NVIC_VIRTUAL_HEADER_FILE "cmsis_nvic_virtual.h"
AnnaBridge 189:f392fc9709a3 572 #endif
AnnaBridge 189:f392fc9709a3 573 #include CMSIS_NVIC_VIRTUAL_HEADER_FILE
AnnaBridge 189:f392fc9709a3 574 #else
AnnaBridge 189:f392fc9709a3 575 #define NVIC_SetPriorityGrouping __NVIC_SetPriorityGrouping
AnnaBridge 189:f392fc9709a3 576 #define NVIC_GetPriorityGrouping __NVIC_GetPriorityGrouping
AnnaBridge 189:f392fc9709a3 577 #define NVIC_EnableIRQ __NVIC_EnableIRQ
AnnaBridge 189:f392fc9709a3 578 #define NVIC_GetEnableIRQ __NVIC_GetEnableIRQ
AnnaBridge 189:f392fc9709a3 579 #define NVIC_DisableIRQ __NVIC_DisableIRQ
AnnaBridge 189:f392fc9709a3 580 #define NVIC_GetPendingIRQ __NVIC_GetPendingIRQ
AnnaBridge 189:f392fc9709a3 581 #define NVIC_SetPendingIRQ __NVIC_SetPendingIRQ
AnnaBridge 189:f392fc9709a3 582 #define NVIC_ClearPendingIRQ __NVIC_ClearPendingIRQ
AnnaBridge 189:f392fc9709a3 583 /*#define NVIC_GetActive __NVIC_GetActive not available for Cortex-M0 */
AnnaBridge 189:f392fc9709a3 584 #define NVIC_SetPriority __NVIC_SetPriority
AnnaBridge 189:f392fc9709a3 585 #define NVIC_GetPriority __NVIC_GetPriority
AnnaBridge 189:f392fc9709a3 586 #define NVIC_SystemReset __NVIC_SystemReset
AnnaBridge 189:f392fc9709a3 587 #endif /* CMSIS_NVIC_VIRTUAL */
AnnaBridge 189:f392fc9709a3 588
AnnaBridge 189:f392fc9709a3 589 #ifdef CMSIS_VECTAB_VIRTUAL
AnnaBridge 189:f392fc9709a3 590 #ifndef CMSIS_VECTAB_VIRTUAL_HEADER_FILE
AnnaBridge 189:f392fc9709a3 591 #define CMSIS_VECTAB_VIRTUAL_HEADER_FILE "cmsis_vectab_virtual.h"
AnnaBridge 189:f392fc9709a3 592 #endif
AnnaBridge 189:f392fc9709a3 593 #include CMSIS_VECTAB_VIRTUAL_HEADER_FILE
AnnaBridge 189:f392fc9709a3 594 #else
AnnaBridge 189:f392fc9709a3 595 #define NVIC_SetVector __NVIC_SetVector
AnnaBridge 189:f392fc9709a3 596 #define NVIC_GetVector __NVIC_GetVector
AnnaBridge 189:f392fc9709a3 597 #endif /* (CMSIS_VECTAB_VIRTUAL) */
AnnaBridge 189:f392fc9709a3 598
AnnaBridge 189:f392fc9709a3 599 #define NVIC_USER_IRQ_OFFSET 16
AnnaBridge 189:f392fc9709a3 600
AnnaBridge 189:f392fc9709a3 601
AnnaBridge 189:f392fc9709a3 602 /* The following EXC_RETURN values are saved the LR on exception entry */
AnnaBridge 189:f392fc9709a3 603 #define EXC_RETURN_HANDLER (0xFFFFFFF1UL) /* return to Handler mode, uses MSP after return */
AnnaBridge 189:f392fc9709a3 604 #define EXC_RETURN_THREAD_MSP (0xFFFFFFF9UL) /* return to Thread mode, uses MSP after return */
AnnaBridge 189:f392fc9709a3 605 #define EXC_RETURN_THREAD_PSP (0xFFFFFFFDUL) /* return to Thread mode, uses PSP after return */
AnnaBridge 189:f392fc9709a3 606
AnnaBridge 189:f392fc9709a3 607
AnnaBridge 189:f392fc9709a3 608 /* Interrupt Priorities are WORD accessible only under Armv6-M */
AnnaBridge 189:f392fc9709a3 609 /* The following MACROS handle generation of the register offset and byte masks */
AnnaBridge 189:f392fc9709a3 610 #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
AnnaBridge 189:f392fc9709a3 611 #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
AnnaBridge 189:f392fc9709a3 612 #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
AnnaBridge 189:f392fc9709a3 613
AnnaBridge 189:f392fc9709a3 614 #define __NVIC_SetPriorityGrouping(X) (void)(X)
AnnaBridge 189:f392fc9709a3 615 #define __NVIC_GetPriorityGrouping() (0U)
AnnaBridge 189:f392fc9709a3 616
AnnaBridge 189:f392fc9709a3 617 /**
AnnaBridge 189:f392fc9709a3 618 \brief Enable Interrupt
AnnaBridge 189:f392fc9709a3 619 \details Enables a device specific interrupt in the NVIC interrupt controller.
AnnaBridge 189:f392fc9709a3 620 \param [in] IRQn Device specific interrupt number.
AnnaBridge 189:f392fc9709a3 621 \note IRQn must not be negative.
AnnaBridge 189:f392fc9709a3 622 */
AnnaBridge 189:f392fc9709a3 623 __STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn)
AnnaBridge 189:f392fc9709a3 624 {
AnnaBridge 189:f392fc9709a3 625 if ((int32_t)(IRQn) >= 0)
AnnaBridge 189:f392fc9709a3 626 {
AnnaBridge 189:f392fc9709a3 627 NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
AnnaBridge 189:f392fc9709a3 628 }
AnnaBridge 189:f392fc9709a3 629 }
AnnaBridge 189:f392fc9709a3 630
AnnaBridge 189:f392fc9709a3 631
AnnaBridge 189:f392fc9709a3 632 /**
AnnaBridge 189:f392fc9709a3 633 \brief Get Interrupt Enable status
AnnaBridge 189:f392fc9709a3 634 \details Returns a device specific interrupt enable status from the NVIC interrupt controller.
AnnaBridge 189:f392fc9709a3 635 \param [in] IRQn Device specific interrupt number.
AnnaBridge 189:f392fc9709a3 636 \return 0 Interrupt is not enabled.
AnnaBridge 189:f392fc9709a3 637 \return 1 Interrupt is enabled.
AnnaBridge 189:f392fc9709a3 638 \note IRQn must not be negative.
AnnaBridge 189:f392fc9709a3 639 */
AnnaBridge 189:f392fc9709a3 640 __STATIC_INLINE uint32_t __NVIC_GetEnableIRQ(IRQn_Type IRQn)
AnnaBridge 189:f392fc9709a3 641 {
AnnaBridge 189:f392fc9709a3 642 if ((int32_t)(IRQn) >= 0)
AnnaBridge 189:f392fc9709a3 643 {
AnnaBridge 189:f392fc9709a3 644 return((uint32_t)(((NVIC->ISER[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
AnnaBridge 189:f392fc9709a3 645 }
AnnaBridge 189:f392fc9709a3 646 else
AnnaBridge 189:f392fc9709a3 647 {
AnnaBridge 189:f392fc9709a3 648 return(0U);
AnnaBridge 189:f392fc9709a3 649 }
AnnaBridge 189:f392fc9709a3 650 }
AnnaBridge 189:f392fc9709a3 651
AnnaBridge 189:f392fc9709a3 652
AnnaBridge 189:f392fc9709a3 653 /**
AnnaBridge 189:f392fc9709a3 654 \brief Disable Interrupt
AnnaBridge 189:f392fc9709a3 655 \details Disables a device specific interrupt in the NVIC interrupt controller.
AnnaBridge 189:f392fc9709a3 656 \param [in] IRQn Device specific interrupt number.
AnnaBridge 189:f392fc9709a3 657 \note IRQn must not be negative.
AnnaBridge 189:f392fc9709a3 658 */
AnnaBridge 189:f392fc9709a3 659 __STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn)
AnnaBridge 189:f392fc9709a3 660 {
AnnaBridge 189:f392fc9709a3 661 if ((int32_t)(IRQn) >= 0)
AnnaBridge 189:f392fc9709a3 662 {
AnnaBridge 189:f392fc9709a3 663 NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
AnnaBridge 189:f392fc9709a3 664 __DSB();
AnnaBridge 189:f392fc9709a3 665 __ISB();
AnnaBridge 189:f392fc9709a3 666 }
AnnaBridge 189:f392fc9709a3 667 }
AnnaBridge 189:f392fc9709a3 668
AnnaBridge 189:f392fc9709a3 669
AnnaBridge 189:f392fc9709a3 670 /**
AnnaBridge 189:f392fc9709a3 671 \brief Get Pending Interrupt
AnnaBridge 189:f392fc9709a3 672 \details Reads the NVIC pending register and returns the pending bit for the specified device specific interrupt.
AnnaBridge 189:f392fc9709a3 673 \param [in] IRQn Device specific interrupt number.
AnnaBridge 189:f392fc9709a3 674 \return 0 Interrupt status is not pending.
AnnaBridge 189:f392fc9709a3 675 \return 1 Interrupt status is pending.
AnnaBridge 189:f392fc9709a3 676 \note IRQn must not be negative.
AnnaBridge 189:f392fc9709a3 677 */
AnnaBridge 189:f392fc9709a3 678 __STATIC_INLINE uint32_t __NVIC_GetPendingIRQ(IRQn_Type IRQn)
AnnaBridge 189:f392fc9709a3 679 {
AnnaBridge 189:f392fc9709a3 680 if ((int32_t)(IRQn) >= 0)
AnnaBridge 189:f392fc9709a3 681 {
AnnaBridge 189:f392fc9709a3 682 return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
AnnaBridge 189:f392fc9709a3 683 }
AnnaBridge 189:f392fc9709a3 684 else
AnnaBridge 189:f392fc9709a3 685 {
AnnaBridge 189:f392fc9709a3 686 return(0U);
AnnaBridge 189:f392fc9709a3 687 }
AnnaBridge 189:f392fc9709a3 688 }
AnnaBridge 189:f392fc9709a3 689
AnnaBridge 189:f392fc9709a3 690
AnnaBridge 189:f392fc9709a3 691 /**
AnnaBridge 189:f392fc9709a3 692 \brief Set Pending Interrupt
AnnaBridge 189:f392fc9709a3 693 \details Sets the pending bit of a device specific interrupt in the NVIC pending register.
AnnaBridge 189:f392fc9709a3 694 \param [in] IRQn Device specific interrupt number.
AnnaBridge 189:f392fc9709a3 695 \note IRQn must not be negative.
AnnaBridge 189:f392fc9709a3 696 */
AnnaBridge 189:f392fc9709a3 697 __STATIC_INLINE void __NVIC_SetPendingIRQ(IRQn_Type IRQn)
AnnaBridge 189:f392fc9709a3 698 {
AnnaBridge 189:f392fc9709a3 699 if ((int32_t)(IRQn) >= 0)
AnnaBridge 189:f392fc9709a3 700 {
AnnaBridge 189:f392fc9709a3 701 NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
AnnaBridge 189:f392fc9709a3 702 }
AnnaBridge 189:f392fc9709a3 703 }
AnnaBridge 189:f392fc9709a3 704
AnnaBridge 189:f392fc9709a3 705
AnnaBridge 189:f392fc9709a3 706 /**
AnnaBridge 189:f392fc9709a3 707 \brief Clear Pending Interrupt
AnnaBridge 189:f392fc9709a3 708 \details Clears the pending bit of a device specific interrupt in the NVIC pending register.
AnnaBridge 189:f392fc9709a3 709 \param [in] IRQn Device specific interrupt number.
AnnaBridge 189:f392fc9709a3 710 \note IRQn must not be negative.
AnnaBridge 189:f392fc9709a3 711 */
AnnaBridge 189:f392fc9709a3 712 __STATIC_INLINE void __NVIC_ClearPendingIRQ(IRQn_Type IRQn)
AnnaBridge 189:f392fc9709a3 713 {
AnnaBridge 189:f392fc9709a3 714 if ((int32_t)(IRQn) >= 0)
AnnaBridge 189:f392fc9709a3 715 {
AnnaBridge 189:f392fc9709a3 716 NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL));
AnnaBridge 189:f392fc9709a3 717 }
AnnaBridge 189:f392fc9709a3 718 }
AnnaBridge 189:f392fc9709a3 719
AnnaBridge 189:f392fc9709a3 720
AnnaBridge 189:f392fc9709a3 721 /**
AnnaBridge 189:f392fc9709a3 722 \brief Set Interrupt Priority
AnnaBridge 189:f392fc9709a3 723 \details Sets the priority of a device specific interrupt or a processor exception.
AnnaBridge 189:f392fc9709a3 724 The interrupt number can be positive to specify a device specific interrupt,
AnnaBridge 189:f392fc9709a3 725 or negative to specify a processor exception.
AnnaBridge 189:f392fc9709a3 726 \param [in] IRQn Interrupt number.
AnnaBridge 189:f392fc9709a3 727 \param [in] priority Priority to set.
AnnaBridge 189:f392fc9709a3 728 \note The priority cannot be set for every processor exception.
AnnaBridge 189:f392fc9709a3 729 */
AnnaBridge 189:f392fc9709a3 730 __STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
AnnaBridge 189:f392fc9709a3 731 {
AnnaBridge 189:f392fc9709a3 732 if ((int32_t)(IRQn) >= 0)
AnnaBridge 189:f392fc9709a3 733 {
AnnaBridge 189:f392fc9709a3 734 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
AnnaBridge 189:f392fc9709a3 735 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
AnnaBridge 189:f392fc9709a3 736 }
AnnaBridge 189:f392fc9709a3 737 else
AnnaBridge 189:f392fc9709a3 738 {
AnnaBridge 189:f392fc9709a3 739 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
AnnaBridge 189:f392fc9709a3 740 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
AnnaBridge 189:f392fc9709a3 741 }
AnnaBridge 189:f392fc9709a3 742 }
AnnaBridge 189:f392fc9709a3 743
AnnaBridge 189:f392fc9709a3 744
AnnaBridge 189:f392fc9709a3 745 /**
AnnaBridge 189:f392fc9709a3 746 \brief Get Interrupt Priority
AnnaBridge 189:f392fc9709a3 747 \details Reads the priority of a device specific interrupt or a processor exception.
AnnaBridge 189:f392fc9709a3 748 The interrupt number can be positive to specify a device specific interrupt,
AnnaBridge 189:f392fc9709a3 749 or negative to specify a processor exception.
AnnaBridge 189:f392fc9709a3 750 \param [in] IRQn Interrupt number.
AnnaBridge 189:f392fc9709a3 751 \return Interrupt Priority.
AnnaBridge 189:f392fc9709a3 752 Value is aligned automatically to the implemented priority bits of the microcontroller.
AnnaBridge 189:f392fc9709a3 753 */
AnnaBridge 189:f392fc9709a3 754 __STATIC_INLINE uint32_t __NVIC_GetPriority(IRQn_Type IRQn)
AnnaBridge 189:f392fc9709a3 755 {
AnnaBridge 189:f392fc9709a3 756
AnnaBridge 189:f392fc9709a3 757 if ((int32_t)(IRQn) >= 0)
AnnaBridge 189:f392fc9709a3 758 {
AnnaBridge 189:f392fc9709a3 759 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
AnnaBridge 189:f392fc9709a3 760 }
AnnaBridge 189:f392fc9709a3 761 else
AnnaBridge 189:f392fc9709a3 762 {
AnnaBridge 189:f392fc9709a3 763 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
AnnaBridge 189:f392fc9709a3 764 }
AnnaBridge 189:f392fc9709a3 765 }
AnnaBridge 189:f392fc9709a3 766
AnnaBridge 189:f392fc9709a3 767
AnnaBridge 189:f392fc9709a3 768 /**
AnnaBridge 189:f392fc9709a3 769 \brief Encode Priority
AnnaBridge 189:f392fc9709a3 770 \details Encodes the priority for an interrupt with the given priority group,
AnnaBridge 189:f392fc9709a3 771 preemptive priority value, and subpriority value.
AnnaBridge 189:f392fc9709a3 772 In case of a conflict between priority grouping and available
AnnaBridge 189:f392fc9709a3 773 priority bits (__NVIC_PRIO_BITS), the smallest possible priority group is set.
AnnaBridge 189:f392fc9709a3 774 \param [in] PriorityGroup Used priority group.
AnnaBridge 189:f392fc9709a3 775 \param [in] PreemptPriority Preemptive priority value (starting from 0).
AnnaBridge 189:f392fc9709a3 776 \param [in] SubPriority Subpriority value (starting from 0).
AnnaBridge 189:f392fc9709a3 777 \return Encoded priority. Value can be used in the function \ref NVIC_SetPriority().
AnnaBridge 189:f392fc9709a3 778 */
AnnaBridge 189:f392fc9709a3 779 __STATIC_INLINE uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority)
AnnaBridge 189:f392fc9709a3 780 {
AnnaBridge 189:f392fc9709a3 781 uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL); /* only values 0..7 are used */
AnnaBridge 189:f392fc9709a3 782 uint32_t PreemptPriorityBits;
AnnaBridge 189:f392fc9709a3 783 uint32_t SubPriorityBits;
AnnaBridge 189:f392fc9709a3 784
AnnaBridge 189:f392fc9709a3 785 PreemptPriorityBits = ((7UL - PriorityGroupTmp) > (uint32_t)(__NVIC_PRIO_BITS)) ? (uint32_t)(__NVIC_PRIO_BITS) : (uint32_t)(7UL - PriorityGroupTmp);
AnnaBridge 189:f392fc9709a3 786 SubPriorityBits = ((PriorityGroupTmp + (uint32_t)(__NVIC_PRIO_BITS)) < (uint32_t)7UL) ? (uint32_t)0UL : (uint32_t)((PriorityGroupTmp - 7UL) + (uint32_t)(__NVIC_PRIO_BITS));
AnnaBridge 189:f392fc9709a3 787
AnnaBridge 189:f392fc9709a3 788 return (
AnnaBridge 189:f392fc9709a3 789 ((PreemptPriority & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL)) << SubPriorityBits) |
AnnaBridge 189:f392fc9709a3 790 ((SubPriority & (uint32_t)((1UL << (SubPriorityBits )) - 1UL)))
AnnaBridge 189:f392fc9709a3 791 );
AnnaBridge 189:f392fc9709a3 792 }
AnnaBridge 189:f392fc9709a3 793
AnnaBridge 189:f392fc9709a3 794
AnnaBridge 189:f392fc9709a3 795 /**
AnnaBridge 189:f392fc9709a3 796 \brief Decode Priority
AnnaBridge 189:f392fc9709a3 797 \details Decodes an interrupt priority value with a given priority group to
AnnaBridge 189:f392fc9709a3 798 preemptive priority value and subpriority value.
AnnaBridge 189:f392fc9709a3 799 In case of a conflict between priority grouping and available
AnnaBridge 189:f392fc9709a3 800 priority bits (__NVIC_PRIO_BITS) the smallest possible priority group is set.
AnnaBridge 189:f392fc9709a3 801 \param [in] Priority Priority value, which can be retrieved with the function \ref NVIC_GetPriority().
AnnaBridge 189:f392fc9709a3 802 \param [in] PriorityGroup Used priority group.
AnnaBridge 189:f392fc9709a3 803 \param [out] pPreemptPriority Preemptive priority value (starting from 0).
AnnaBridge 189:f392fc9709a3 804 \param [out] pSubPriority Subpriority value (starting from 0).
AnnaBridge 189:f392fc9709a3 805 */
AnnaBridge 189:f392fc9709a3 806 __STATIC_INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* const pPreemptPriority, uint32_t* const pSubPriority)
AnnaBridge 189:f392fc9709a3 807 {
AnnaBridge 189:f392fc9709a3 808 uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL); /* only values 0..7 are used */
AnnaBridge 189:f392fc9709a3 809 uint32_t PreemptPriorityBits;
AnnaBridge 189:f392fc9709a3 810 uint32_t SubPriorityBits;
AnnaBridge 189:f392fc9709a3 811
AnnaBridge 189:f392fc9709a3 812 PreemptPriorityBits = ((7UL - PriorityGroupTmp) > (uint32_t)(__NVIC_PRIO_BITS)) ? (uint32_t)(__NVIC_PRIO_BITS) : (uint32_t)(7UL - PriorityGroupTmp);
AnnaBridge 189:f392fc9709a3 813 SubPriorityBits = ((PriorityGroupTmp + (uint32_t)(__NVIC_PRIO_BITS)) < (uint32_t)7UL) ? (uint32_t)0UL : (uint32_t)((PriorityGroupTmp - 7UL) + (uint32_t)(__NVIC_PRIO_BITS));
AnnaBridge 189:f392fc9709a3 814
AnnaBridge 189:f392fc9709a3 815 *pPreemptPriority = (Priority >> SubPriorityBits) & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL);
AnnaBridge 189:f392fc9709a3 816 *pSubPriority = (Priority ) & (uint32_t)((1UL << (SubPriorityBits )) - 1UL);
AnnaBridge 189:f392fc9709a3 817 }
AnnaBridge 189:f392fc9709a3 818
AnnaBridge 189:f392fc9709a3 819
AnnaBridge 189:f392fc9709a3 820
AnnaBridge 189:f392fc9709a3 821 /**
AnnaBridge 189:f392fc9709a3 822 \brief Set Interrupt Vector
AnnaBridge 189:f392fc9709a3 823 \details Sets an interrupt vector in SRAM based interrupt vector table.
AnnaBridge 189:f392fc9709a3 824 The interrupt number can be positive to specify a device specific interrupt,
AnnaBridge 189:f392fc9709a3 825 or negative to specify a processor exception.
AnnaBridge 189:f392fc9709a3 826 Address 0 must be mapped to SRAM.
AnnaBridge 189:f392fc9709a3 827 \param [in] IRQn Interrupt number
AnnaBridge 189:f392fc9709a3 828 \param [in] vector Address of interrupt handler function
AnnaBridge 189:f392fc9709a3 829 */
AnnaBridge 189:f392fc9709a3 830 __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector)
AnnaBridge 189:f392fc9709a3 831 {
AnnaBridge 189:f392fc9709a3 832 uint32_t *vectors = (uint32_t *)0x0U;
AnnaBridge 189:f392fc9709a3 833 vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector;
AnnaBridge 189:f392fc9709a3 834 }
AnnaBridge 189:f392fc9709a3 835
AnnaBridge 189:f392fc9709a3 836
AnnaBridge 189:f392fc9709a3 837 /**
AnnaBridge 189:f392fc9709a3 838 \brief Get Interrupt Vector
AnnaBridge 189:f392fc9709a3 839 \details Reads an interrupt vector from interrupt vector table.
AnnaBridge 189:f392fc9709a3 840 The interrupt number can be positive to specify a device specific interrupt,
AnnaBridge 189:f392fc9709a3 841 or negative to specify a processor exception.
AnnaBridge 189:f392fc9709a3 842 \param [in] IRQn Interrupt number.
AnnaBridge 189:f392fc9709a3 843 \return Address of interrupt handler function
AnnaBridge 189:f392fc9709a3 844 */
AnnaBridge 189:f392fc9709a3 845 __STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn)
AnnaBridge 189:f392fc9709a3 846 {
AnnaBridge 189:f392fc9709a3 847 uint32_t *vectors = (uint32_t *)0x0U;
AnnaBridge 189:f392fc9709a3 848 return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET];
AnnaBridge 189:f392fc9709a3 849 }
AnnaBridge 189:f392fc9709a3 850
AnnaBridge 189:f392fc9709a3 851
AnnaBridge 189:f392fc9709a3 852 /**
AnnaBridge 189:f392fc9709a3 853 \brief System Reset
AnnaBridge 189:f392fc9709a3 854 \details Initiates a system reset request to reset the MCU.
AnnaBridge 189:f392fc9709a3 855 */
AnnaBridge 189:f392fc9709a3 856 __NO_RETURN __STATIC_INLINE void __NVIC_SystemReset(void)
AnnaBridge 189:f392fc9709a3 857 {
AnnaBridge 189:f392fc9709a3 858 __DSB(); /* Ensure all outstanding memory accesses included
AnnaBridge 189:f392fc9709a3 859 buffered write are completed before reset */
AnnaBridge 189:f392fc9709a3 860 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
AnnaBridge 189:f392fc9709a3 861 SCB_AIRCR_SYSRESETREQ_Msk);
AnnaBridge 189:f392fc9709a3 862 __DSB(); /* Ensure completion of memory access */
AnnaBridge 189:f392fc9709a3 863
AnnaBridge 189:f392fc9709a3 864 for(;;) /* wait until reset */
AnnaBridge 189:f392fc9709a3 865 {
AnnaBridge 189:f392fc9709a3 866 __NOP();
AnnaBridge 189:f392fc9709a3 867 }
AnnaBridge 189:f392fc9709a3 868 }
AnnaBridge 189:f392fc9709a3 869
AnnaBridge 189:f392fc9709a3 870 /*@} end of CMSIS_Core_NVICFunctions */
AnnaBridge 189:f392fc9709a3 871
AnnaBridge 189:f392fc9709a3 872
AnnaBridge 189:f392fc9709a3 873 /* ########################## FPU functions #################################### */
AnnaBridge 189:f392fc9709a3 874 /**
AnnaBridge 189:f392fc9709a3 875 \ingroup CMSIS_Core_FunctionInterface
AnnaBridge 189:f392fc9709a3 876 \defgroup CMSIS_Core_FpuFunctions FPU Functions
AnnaBridge 189:f392fc9709a3 877 \brief Function that provides FPU type.
AnnaBridge 189:f392fc9709a3 878 @{
AnnaBridge 189:f392fc9709a3 879 */
AnnaBridge 189:f392fc9709a3 880
AnnaBridge 189:f392fc9709a3 881 /**
AnnaBridge 189:f392fc9709a3 882 \brief get FPU type
AnnaBridge 189:f392fc9709a3 883 \details returns the FPU type
AnnaBridge 189:f392fc9709a3 884 \returns
AnnaBridge 189:f392fc9709a3 885 - \b 0: No FPU
AnnaBridge 189:f392fc9709a3 886 - \b 1: Single precision FPU
AnnaBridge 189:f392fc9709a3 887 - \b 2: Double + Single precision FPU
AnnaBridge 189:f392fc9709a3 888 */
AnnaBridge 189:f392fc9709a3 889 __STATIC_INLINE uint32_t SCB_GetFPUType(void)
AnnaBridge 189:f392fc9709a3 890 {
AnnaBridge 189:f392fc9709a3 891 return 0U; /* No FPU */
AnnaBridge 189:f392fc9709a3 892 }
AnnaBridge 189:f392fc9709a3 893
AnnaBridge 189:f392fc9709a3 894
AnnaBridge 189:f392fc9709a3 895 /*@} end of CMSIS_Core_FpuFunctions */
AnnaBridge 189:f392fc9709a3 896
AnnaBridge 189:f392fc9709a3 897
AnnaBridge 189:f392fc9709a3 898
AnnaBridge 189:f392fc9709a3 899 /* ################################## SysTick function ############################################ */
AnnaBridge 189:f392fc9709a3 900 /**
AnnaBridge 189:f392fc9709a3 901 \ingroup CMSIS_Core_FunctionInterface
AnnaBridge 189:f392fc9709a3 902 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
AnnaBridge 189:f392fc9709a3 903 \brief Functions that configure the System.
AnnaBridge 189:f392fc9709a3 904 @{
AnnaBridge 189:f392fc9709a3 905 */
AnnaBridge 189:f392fc9709a3 906
AnnaBridge 189:f392fc9709a3 907 #if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U)
AnnaBridge 189:f392fc9709a3 908
AnnaBridge 189:f392fc9709a3 909 /**
AnnaBridge 189:f392fc9709a3 910 \brief System Tick Configuration
AnnaBridge 189:f392fc9709a3 911 \details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
AnnaBridge 189:f392fc9709a3 912 Counter is in free running mode to generate periodic interrupts.
AnnaBridge 189:f392fc9709a3 913 \param [in] ticks Number of ticks between two interrupts.
AnnaBridge 189:f392fc9709a3 914 \return 0 Function succeeded.
AnnaBridge 189:f392fc9709a3 915 \return 1 Function failed.
AnnaBridge 189:f392fc9709a3 916 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
AnnaBridge 189:f392fc9709a3 917 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
AnnaBridge 189:f392fc9709a3 918 must contain a vendor-specific implementation of this function.
AnnaBridge 189:f392fc9709a3 919 */
AnnaBridge 189:f392fc9709a3 920 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
AnnaBridge 189:f392fc9709a3 921 {
AnnaBridge 189:f392fc9709a3 922 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
AnnaBridge 189:f392fc9709a3 923 {
AnnaBridge 189:f392fc9709a3 924 return (1UL); /* Reload value impossible */
AnnaBridge 189:f392fc9709a3 925 }
AnnaBridge 189:f392fc9709a3 926
AnnaBridge 189:f392fc9709a3 927 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
AnnaBridge 189:f392fc9709a3 928 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
AnnaBridge 189:f392fc9709a3 929 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
AnnaBridge 189:f392fc9709a3 930 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
AnnaBridge 189:f392fc9709a3 931 SysTick_CTRL_TICKINT_Msk |
AnnaBridge 189:f392fc9709a3 932 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
AnnaBridge 189:f392fc9709a3 933 return (0UL); /* Function successful */
AnnaBridge 189:f392fc9709a3 934 }
AnnaBridge 189:f392fc9709a3 935
AnnaBridge 189:f392fc9709a3 936 #endif
AnnaBridge 189:f392fc9709a3 937
AnnaBridge 189:f392fc9709a3 938 /*@} end of CMSIS_Core_SysTickFunctions */
AnnaBridge 189:f392fc9709a3 939
AnnaBridge 189:f392fc9709a3 940
AnnaBridge 189:f392fc9709a3 941
AnnaBridge 189:f392fc9709a3 942
AnnaBridge 189:f392fc9709a3 943 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 944 }
AnnaBridge 189:f392fc9709a3 945 #endif
AnnaBridge 189:f392fc9709a3 946
AnnaBridge 189:f392fc9709a3 947 #endif /* __CORE_CM0_H_DEPENDANT */
AnnaBridge 189:f392fc9709a3 948
AnnaBridge 189:f392fc9709a3 949 #endif /* __CMSIS_GENERIC */