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TARGET_NUCLEO_F446RE/core_cm0.h@121:672067c3ada4, 2016-04-14 (annotated)

Committer:
elijahorr
Date:
Thu Apr 14 07:28:54 2016 +0000
Revision:
121:672067c3ada4
Parent:
110:165afa46840b 
.

Who changed what in which revision?

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Kojto 106:ba1f97679dad 1 /**************************************************************************//**
Kojto 106:ba1f97679dad 2 * @file core_cm0.h
Kojto 106:ba1f97679dad 3 * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File
Kojto 110:165afa46840b 4 * @version V4.10
Kojto 110:165afa46840b 5 * @date 18. March 2015
Kojto 106:ba1f97679dad 6 *
Kojto 106:ba1f97679dad 7 * @note
Kojto 106:ba1f97679dad 8 *
Kojto 106:ba1f97679dad 9 ******************************************************************************/
Kojto 110:165afa46840b 10 /* Copyright (c) 2009 - 2015 ARM LIMITED
Kojto 106:ba1f97679dad 11
Kojto 106:ba1f97679dad 12 All rights reserved.
Kojto 106:ba1f97679dad 13 Redistribution and use in source and binary forms, with or without
Kojto 106:ba1f97679dad 14 modification, are permitted provided that the following conditions are met:
Kojto 106:ba1f97679dad 15 - Redistributions of source code must retain the above copyright
Kojto 106:ba1f97679dad 16 notice, this list of conditions and the following disclaimer.
Kojto 106:ba1f97679dad 17 - Redistributions in binary form must reproduce the above copyright
Kojto 106:ba1f97679dad 18 notice, this list of conditions and the following disclaimer in the
Kojto 106:ba1f97679dad 19 documentation and/or other materials provided with the distribution.
Kojto 106:ba1f97679dad 20 - Neither the name of ARM nor the names of its contributors may be used
Kojto 106:ba1f97679dad 21 to endorse or promote products derived from this software without
Kojto 106:ba1f97679dad 22 specific prior written permission.
Kojto 106:ba1f97679dad 23 *
Kojto 106:ba1f97679dad 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 106:ba1f97679dad 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 106:ba1f97679dad 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Kojto 106:ba1f97679dad 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
Kojto 106:ba1f97679dad 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Kojto 106:ba1f97679dad 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Kojto 106:ba1f97679dad 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Kojto 106:ba1f97679dad 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Kojto 106:ba1f97679dad 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Kojto 106:ba1f97679dad 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Kojto 106:ba1f97679dad 34 POSSIBILITY OF SUCH DAMAGE.
Kojto 106:ba1f97679dad 35 ---------------------------------------------------------------------------*/
Kojto 106:ba1f97679dad 36
Kojto 106:ba1f97679dad 37
Kojto 106:ba1f97679dad 38 #if defined ( __ICCARM__ )
Kojto 106:ba1f97679dad 39 #pragma system_include /* treat file as system include file for MISRA check */
Kojto 106:ba1f97679dad 40 #endif
Kojto 106:ba1f97679dad 41
Kojto 110:165afa46840b 42 #ifndef __CORE_CM0_H_GENERIC
Kojto 110:165afa46840b 43 #define __CORE_CM0_H_GENERIC
Kojto 110:165afa46840b 44
Kojto 106:ba1f97679dad 45 #ifdef __cplusplus
Kojto 106:ba1f97679dad 46 extern "C" {
Kojto 106:ba1f97679dad 47 #endif
Kojto 106:ba1f97679dad 48
Kojto 106:ba1f97679dad 49 /** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
Kojto 106:ba1f97679dad 50 CMSIS violates the following MISRA-C:2004 rules:
Kojto 106:ba1f97679dad 51
Kojto 106:ba1f97679dad 52 \li Required Rule 8.5, object/function definition in header file.<br>
Kojto 106:ba1f97679dad 53 Function definitions in header files are used to allow 'inlining'.
Kojto 106:ba1f97679dad 54
Kojto 106:ba1f97679dad 55 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
Kojto 106:ba1f97679dad 56 Unions are used for effective representation of core registers.
Kojto 106:ba1f97679dad 57
Kojto 106:ba1f97679dad 58 \li Advisory Rule 19.7, Function-like macro defined.<br>
Kojto 106:ba1f97679dad 59 Function-like macros are used to allow more efficient code.
Kojto 106:ba1f97679dad 60 */
Kojto 106:ba1f97679dad 61
Kojto 106:ba1f97679dad 62
Kojto 106:ba1f97679dad 63 /*******************************************************************************
Kojto 106:ba1f97679dad 64 * CMSIS definitions
Kojto 106:ba1f97679dad 65 ******************************************************************************/
Kojto 106:ba1f97679dad 66 /** \ingroup Cortex_M0
Kojto 106:ba1f97679dad 67 @{
Kojto 106:ba1f97679dad 68 */
Kojto 106:ba1f97679dad 69
Kojto 106:ba1f97679dad 70 /* CMSIS CM0 definitions */
Kojto 110:165afa46840b 71 #define __CM0_CMSIS_VERSION_MAIN (0x04) /*!< [31:16] CMSIS HAL main version */
Kojto 110:165afa46840b 72 #define __CM0_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */
Kojto 106:ba1f97679dad 73 #define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16) | \
Kojto 106:ba1f97679dad 74 __CM0_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */
Kojto 106:ba1f97679dad 75
Kojto 106:ba1f97679dad 76 #define __CORTEX_M (0x00) /*!< Cortex-M Core */
Kojto 106:ba1f97679dad 77
Kojto 106:ba1f97679dad 78
Kojto 106:ba1f97679dad 79 #if defined ( __CC_ARM )
Kojto 106:ba1f97679dad 80 #define __ASM __asm /*!< asm keyword for ARM Compiler */
Kojto 106:ba1f97679dad 81 #define __INLINE __inline /*!< inline keyword for ARM Compiler */
Kojto 106:ba1f97679dad 82 #define __STATIC_INLINE static __inline
Kojto 106:ba1f97679dad 83
Kojto 110:165afa46840b 84 #elif defined ( __GNUC__ )
Kojto 110:165afa46840b 85 #define __ASM __asm /*!< asm keyword for GNU Compiler */
Kojto 110:165afa46840b 86 #define __INLINE inline /*!< inline keyword for GNU Compiler */
Kojto 110:165afa46840b 87 #define __STATIC_INLINE static inline
Kojto 110:165afa46840b 88
Kojto 106:ba1f97679dad 89 #elif defined ( __ICCARM__ )
Kojto 106:ba1f97679dad 90 #define __ASM __asm /*!< asm keyword for IAR Compiler */
Kojto 106:ba1f97679dad 91 #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
Kojto 106:ba1f97679dad 92 #define __STATIC_INLINE static inline
Kojto 106:ba1f97679dad 93
Kojto 110:165afa46840b 94 #elif defined ( __TMS470__ )
Kojto 110:165afa46840b 95 #define __ASM __asm /*!< asm keyword for TI CCS Compiler */
Kojto 106:ba1f97679dad 96 #define __STATIC_INLINE static inline
Kojto 106:ba1f97679dad 97
Kojto 106:ba1f97679dad 98 #elif defined ( __TASKING__ )
Kojto 106:ba1f97679dad 99 #define __ASM __asm /*!< asm keyword for TASKING Compiler */
Kojto 106:ba1f97679dad 100 #define __INLINE inline /*!< inline keyword for TASKING Compiler */
Kojto 106:ba1f97679dad 101 #define __STATIC_INLINE static inline
Kojto 106:ba1f97679dad 102
Kojto 110:165afa46840b 103 #elif defined ( __CSMC__ )
Kojto 110:165afa46840b 104 #define __packed
Kojto 110:165afa46840b 105 #define __ASM _asm /*!< asm keyword for COSMIC Compiler */
Kojto 110:165afa46840b 106 #define __INLINE inline /*use -pc99 on compile line !< inline keyword for COSMIC Compiler */
Kojto 110:165afa46840b 107 #define __STATIC_INLINE static inline
Kojto 110:165afa46840b 108
Kojto 106:ba1f97679dad 109 #endif
Kojto 106:ba1f97679dad 110
Kojto 110:165afa46840b 111 /** __FPU_USED indicates whether an FPU is used or not.
Kojto 110:165afa46840b 112 This core does not support an FPU at all
Kojto 106:ba1f97679dad 113 */
Kojto 106:ba1f97679dad 114 #define __FPU_USED 0
Kojto 106:ba1f97679dad 115
Kojto 106:ba1f97679dad 116 #if defined ( __CC_ARM )
Kojto 106:ba1f97679dad 117 #if defined __TARGET_FPU_VFP
Kojto 106:ba1f97679dad 118 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 106:ba1f97679dad 119 #endif
Kojto 106:ba1f97679dad 120
Kojto 110:165afa46840b 121 #elif defined ( __GNUC__ )
Kojto 110:165afa46840b 122 #if defined (__VFP_FP__) && !defined(__SOFTFP__)
Kojto 110:165afa46840b 123 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 110:165afa46840b 124 #endif
Kojto 110:165afa46840b 125
Kojto 106:ba1f97679dad 126 #elif defined ( __ICCARM__ )
Kojto 106:ba1f97679dad 127 #if defined __ARMVFP__
Kojto 106:ba1f97679dad 128 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 106:ba1f97679dad 129 #endif
Kojto 106:ba1f97679dad 130
Kojto 110:165afa46840b 131 #elif defined ( __TMS470__ )
Kojto 110:165afa46840b 132 #if defined __TI__VFP_SUPPORT____
Kojto 106:ba1f97679dad 133 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 106:ba1f97679dad 134 #endif
Kojto 106:ba1f97679dad 135
Kojto 106:ba1f97679dad 136 #elif defined ( __TASKING__ )
Kojto 106:ba1f97679dad 137 #if defined __FPU_VFP__
Kojto 106:ba1f97679dad 138 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 106:ba1f97679dad 139 #endif
Kojto 110:165afa46840b 140
Kojto 110:165afa46840b 141 #elif defined ( __CSMC__ ) /* Cosmic */
Kojto 110:165afa46840b 142 #if ( __CSMC__ & 0x400) // FPU present for parser
Kojto 110:165afa46840b 143 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 110:165afa46840b 144 #endif
Kojto 106:ba1f97679dad 145 #endif
Kojto 106:ba1f97679dad 146
Kojto 106:ba1f97679dad 147 #include <stdint.h> /* standard types definitions */
Kojto 106:ba1f97679dad 148 #include <core_cmInstr.h> /* Core Instruction Access */
Kojto 106:ba1f97679dad 149 #include <core_cmFunc.h> /* Core Function Access */
Kojto 106:ba1f97679dad 150
Kojto 110:165afa46840b 151 #ifdef __cplusplus
Kojto 110:165afa46840b 152 }
Kojto 110:165afa46840b 153 #endif
Kojto 110:165afa46840b 154
Kojto 106:ba1f97679dad 155 #endif /* __CORE_CM0_H_GENERIC */
Kojto 106:ba1f97679dad 156
Kojto 106:ba1f97679dad 157 #ifndef __CMSIS_GENERIC
Kojto 106:ba1f97679dad 158
Kojto 106:ba1f97679dad 159 #ifndef __CORE_CM0_H_DEPENDANT
Kojto 106:ba1f97679dad 160 #define __CORE_CM0_H_DEPENDANT
Kojto 106:ba1f97679dad 161
Kojto 110:165afa46840b 162 #ifdef __cplusplus
Kojto 110:165afa46840b 163 extern "C" {
Kojto 110:165afa46840b 164 #endif
Kojto 110:165afa46840b 165
Kojto 106:ba1f97679dad 166 /* check device defines and use defaults */
Kojto 106:ba1f97679dad 167 #if defined __CHECK_DEVICE_DEFINES
Kojto 106:ba1f97679dad 168 #ifndef __CM0_REV
Kojto 106:ba1f97679dad 169 #define __CM0_REV 0x0000
Kojto 106:ba1f97679dad 170 #warning "__CM0_REV not defined in device header file; using default!"
Kojto 106:ba1f97679dad 171 #endif
Kojto 106:ba1f97679dad 172
Kojto 106:ba1f97679dad 173 #ifndef __NVIC_PRIO_BITS
Kojto 106:ba1f97679dad 174 #define __NVIC_PRIO_BITS 2
Kojto 106:ba1f97679dad 175 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
Kojto 106:ba1f97679dad 176 #endif
Kojto 106:ba1f97679dad 177
Kojto 106:ba1f97679dad 178 #ifndef __Vendor_SysTickConfig
Kojto 106:ba1f97679dad 179 #define __Vendor_SysTickConfig 0
Kojto 106:ba1f97679dad 180 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
Kojto 106:ba1f97679dad 181 #endif
Kojto 106:ba1f97679dad 182 #endif
Kojto 106:ba1f97679dad 183
Kojto 106:ba1f97679dad 184 /* IO definitions (access restrictions to peripheral registers) */
Kojto 106:ba1f97679dad 185 /**
Kojto 106:ba1f97679dad 186 \defgroup CMSIS_glob_defs CMSIS Global Defines
Kojto 106:ba1f97679dad 187
Kojto 106:ba1f97679dad 188 <strong>IO Type Qualifiers</strong> are used
Kojto 106:ba1f97679dad 189 \li to specify the access to peripheral variables.
Kojto 106:ba1f97679dad 190 \li for automatic generation of peripheral register debug information.
Kojto 106:ba1f97679dad 191 */
Kojto 106:ba1f97679dad 192 #ifdef __cplusplus
Kojto 106:ba1f97679dad 193 #define __I volatile /*!< Defines 'read only' permissions */
Kojto 106:ba1f97679dad 194 #else
Kojto 106:ba1f97679dad 195 #define __I volatile const /*!< Defines 'read only' permissions */
Kojto 106:ba1f97679dad 196 #endif
Kojto 106:ba1f97679dad 197 #define __O volatile /*!< Defines 'write only' permissions */
Kojto 106:ba1f97679dad 198 #define __IO volatile /*!< Defines 'read / write' permissions */
Kojto 106:ba1f97679dad 199
Kojto 106:ba1f97679dad 200 /*@} end of group Cortex_M0 */
Kojto 106:ba1f97679dad 201
Kojto 106:ba1f97679dad 202
Kojto 106:ba1f97679dad 203
Kojto 106:ba1f97679dad 204 /*******************************************************************************
Kojto 106:ba1f97679dad 205 * Register Abstraction
Kojto 106:ba1f97679dad 206 Core Register contain:
Kojto 106:ba1f97679dad 207 - Core Register
Kojto 106:ba1f97679dad 208 - Core NVIC Register
Kojto 106:ba1f97679dad 209 - Core SCB Register
Kojto 106:ba1f97679dad 210 - Core SysTick Register
Kojto 106:ba1f97679dad 211 ******************************************************************************/
Kojto 106:ba1f97679dad 212 /** \defgroup CMSIS_core_register Defines and Type Definitions
Kojto 106:ba1f97679dad 213 \brief Type definitions and defines for Cortex-M processor based devices.
Kojto 106:ba1f97679dad 214 */
Kojto 106:ba1f97679dad 215
Kojto 106:ba1f97679dad 216 /** \ingroup CMSIS_core_register
Kojto 106:ba1f97679dad 217 \defgroup CMSIS_CORE Status and Control Registers
Kojto 106:ba1f97679dad 218 \brief Core Register type definitions.
Kojto 106:ba1f97679dad 219 @{
Kojto 106:ba1f97679dad 220 */
Kojto 106:ba1f97679dad 221
Kojto 106:ba1f97679dad 222 /** \brief Union type to access the Application Program Status Register (APSR).
Kojto 106:ba1f97679dad 223 */
Kojto 106:ba1f97679dad 224 typedef union
Kojto 106:ba1f97679dad 225 {
Kojto 106:ba1f97679dad 226 struct
Kojto 106:ba1f97679dad 227 {
Kojto 110:165afa46840b 228 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
Kojto 106:ba1f97679dad 229 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
Kojto 106:ba1f97679dad 230 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
Kojto 106:ba1f97679dad 231 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
Kojto 106:ba1f97679dad 232 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
Kojto 106:ba1f97679dad 233 } b; /*!< Structure used for bit access */
Kojto 106:ba1f97679dad 234 uint32_t w; /*!< Type used for word access */
Kojto 106:ba1f97679dad 235 } APSR_Type;
Kojto 106:ba1f97679dad 236
Kojto 110:165afa46840b 237 /* APSR Register Definitions */
Kojto 110:165afa46840b 238 #define APSR_N_Pos 31 /*!< APSR: N Position */
Kojto 110:165afa46840b 239 #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
Kojto 110:165afa46840b 240
Kojto 110:165afa46840b 241 #define APSR_Z_Pos 30 /*!< APSR: Z Position */
Kojto 110:165afa46840b 242 #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
Kojto 110:165afa46840b 243
Kojto 110:165afa46840b 244 #define APSR_C_Pos 29 /*!< APSR: C Position */
Kojto 110:165afa46840b 245 #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
Kojto 110:165afa46840b 246
Kojto 110:165afa46840b 247 #define APSR_V_Pos 28 /*!< APSR: V Position */
Kojto 110:165afa46840b 248 #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
Kojto 110:165afa46840b 249
Kojto 106:ba1f97679dad 250
Kojto 106:ba1f97679dad 251 /** \brief Union type to access the Interrupt Program Status Register (IPSR).
Kojto 106:ba1f97679dad 252 */
Kojto 106:ba1f97679dad 253 typedef union
Kojto 106:ba1f97679dad 254 {
Kojto 106:ba1f97679dad 255 struct
Kojto 106:ba1f97679dad 256 {
Kojto 106:ba1f97679dad 257 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
Kojto 106:ba1f97679dad 258 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
Kojto 106:ba1f97679dad 259 } b; /*!< Structure used for bit access */
Kojto 106:ba1f97679dad 260 uint32_t w; /*!< Type used for word access */
Kojto 106:ba1f97679dad 261 } IPSR_Type;
Kojto 106:ba1f97679dad 262
Kojto 110:165afa46840b 263 /* IPSR Register Definitions */
Kojto 110:165afa46840b 264 #define IPSR_ISR_Pos 0 /*!< IPSR: ISR Position */
Kojto 110:165afa46840b 265 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
Kojto 110:165afa46840b 266
Kojto 106:ba1f97679dad 267
Kojto 106:ba1f97679dad 268 /** \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
Kojto 106:ba1f97679dad 269 */
Kojto 106:ba1f97679dad 270 typedef union
Kojto 106:ba1f97679dad 271 {
Kojto 106:ba1f97679dad 272 struct
Kojto 106:ba1f97679dad 273 {
Kojto 106:ba1f97679dad 274 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
Kojto 106:ba1f97679dad 275 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
Kojto 106:ba1f97679dad 276 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
Kojto 110:165afa46840b 277 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
Kojto 106:ba1f97679dad 278 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
Kojto 106:ba1f97679dad 279 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
Kojto 106:ba1f97679dad 280 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
Kojto 106:ba1f97679dad 281 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
Kojto 106:ba1f97679dad 282 } b; /*!< Structure used for bit access */
Kojto 106:ba1f97679dad 283 uint32_t w; /*!< Type used for word access */
Kojto 106:ba1f97679dad 284 } xPSR_Type;
Kojto 106:ba1f97679dad 285
Kojto 110:165afa46840b 286 /* xPSR Register Definitions */
Kojto 110:165afa46840b 287 #define xPSR_N_Pos 31 /*!< xPSR: N Position */
Kojto 110:165afa46840b 288 #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
Kojto 110:165afa46840b 289
Kojto 110:165afa46840b 290 #define xPSR_Z_Pos 30 /*!< xPSR: Z Position */
Kojto 110:165afa46840b 291 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
Kojto 110:165afa46840b 292
Kojto 110:165afa46840b 293 #define xPSR_C_Pos 29 /*!< xPSR: C Position */
Kojto 110:165afa46840b 294 #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
Kojto 110:165afa46840b 295
Kojto 110:165afa46840b 296 #define xPSR_V_Pos 28 /*!< xPSR: V Position */
Kojto 110:165afa46840b 297 #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
Kojto 110:165afa46840b 298
Kojto 110:165afa46840b 299 #define xPSR_T_Pos 24 /*!< xPSR: T Position */
Kojto 110:165afa46840b 300 #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
Kojto 110:165afa46840b 301
Kojto 110:165afa46840b 302 #define xPSR_ISR_Pos 0 /*!< xPSR: ISR Position */
Kojto 110:165afa46840b 303 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
Kojto 110:165afa46840b 304
Kojto 106:ba1f97679dad 305
Kojto 106:ba1f97679dad 306 /** \brief Union type to access the Control Registers (CONTROL).
Kojto 106:ba1f97679dad 307 */
Kojto 106:ba1f97679dad 308 typedef union
Kojto 106:ba1f97679dad 309 {
Kojto 106:ba1f97679dad 310 struct
Kojto 106:ba1f97679dad 311 {
Kojto 110:165afa46840b 312 uint32_t _reserved0:1; /*!< bit: 0 Reserved */
Kojto 106:ba1f97679dad 313 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
Kojto 110:165afa46840b 314 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
Kojto 106:ba1f97679dad 315 } b; /*!< Structure used for bit access */
Kojto 106:ba1f97679dad 316 uint32_t w; /*!< Type used for word access */
Kojto 106:ba1f97679dad 317 } CONTROL_Type;
Kojto 106:ba1f97679dad 318
Kojto 110:165afa46840b 319 /* CONTROL Register Definitions */
Kojto 110:165afa46840b 320 #define CONTROL_SPSEL_Pos 1 /*!< CONTROL: SPSEL Position */
Kojto 110:165afa46840b 321 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
Kojto 110:165afa46840b 322
Kojto 106:ba1f97679dad 323 /*@} end of group CMSIS_CORE */
Kojto 106:ba1f97679dad 324
Kojto 106:ba1f97679dad 325
Kojto 106:ba1f97679dad 326 /** \ingroup CMSIS_core_register
Kojto 106:ba1f97679dad 327 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
Kojto 106:ba1f97679dad 328 \brief Type definitions for the NVIC Registers
Kojto 106:ba1f97679dad 329 @{
Kojto 106:ba1f97679dad 330 */
Kojto 106:ba1f97679dad 331
Kojto 106:ba1f97679dad 332 /** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
Kojto 106:ba1f97679dad 333 */
Kojto 106:ba1f97679dad 334 typedef struct
Kojto 106:ba1f97679dad 335 {
Kojto 106:ba1f97679dad 336 __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
Kojto 106:ba1f97679dad 337 uint32_t RESERVED0[31];
Kojto 106:ba1f97679dad 338 __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
Kojto 106:ba1f97679dad 339 uint32_t RSERVED1[31];
Kojto 106:ba1f97679dad 340 __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
Kojto 106:ba1f97679dad 341 uint32_t RESERVED2[31];
Kojto 106:ba1f97679dad 342 __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
Kojto 106:ba1f97679dad 343 uint32_t RESERVED3[31];
Kojto 106:ba1f97679dad 344 uint32_t RESERVED4[64];
Kojto 106:ba1f97679dad 345 __IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
Kojto 106:ba1f97679dad 346 } NVIC_Type;
Kojto 106:ba1f97679dad 347
Kojto 106:ba1f97679dad 348 /*@} end of group CMSIS_NVIC */
Kojto 106:ba1f97679dad 349
Kojto 106:ba1f97679dad 350
Kojto 106:ba1f97679dad 351 /** \ingroup CMSIS_core_register
Kojto 106:ba1f97679dad 352 \defgroup CMSIS_SCB System Control Block (SCB)
Kojto 106:ba1f97679dad 353 \brief Type definitions for the System Control Block Registers
Kojto 106:ba1f97679dad 354 @{
Kojto 106:ba1f97679dad 355 */
Kojto 106:ba1f97679dad 356
Kojto 106:ba1f97679dad 357 /** \brief Structure type to access the System Control Block (SCB).
Kojto 106:ba1f97679dad 358 */
Kojto 106:ba1f97679dad 359 typedef struct
Kojto 106:ba1f97679dad 360 {
Kojto 106:ba1f97679dad 361 __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
Kojto 106:ba1f97679dad 362 __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
Kojto 106:ba1f97679dad 363 uint32_t RESERVED0;
Kojto 106:ba1f97679dad 364 __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
Kojto 106:ba1f97679dad 365 __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
Kojto 106:ba1f97679dad 366 __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
Kojto 106:ba1f97679dad 367 uint32_t RESERVED1;
Kojto 106:ba1f97679dad 368 __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
Kojto 106:ba1f97679dad 369 __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
Kojto 106:ba1f97679dad 370 } SCB_Type;
Kojto 106:ba1f97679dad 371
Kojto 106:ba1f97679dad 372 /* SCB CPUID Register Definitions */
Kojto 106:ba1f97679dad 373 #define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */
Kojto 106:ba1f97679dad 374 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
Kojto 106:ba1f97679dad 375
Kojto 106:ba1f97679dad 376 #define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */
Kojto 106:ba1f97679dad 377 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
Kojto 106:ba1f97679dad 378
Kojto 106:ba1f97679dad 379 #define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */
Kojto 106:ba1f97679dad 380 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
Kojto 106:ba1f97679dad 381
Kojto 106:ba1f97679dad 382 #define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */
Kojto 106:ba1f97679dad 383 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
Kojto 106:ba1f97679dad 384
Kojto 106:ba1f97679dad 385 #define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */
Kojto 110:165afa46840b 386 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */
Kojto 106:ba1f97679dad 387
Kojto 106:ba1f97679dad 388 /* SCB Interrupt Control State Register Definitions */
Kojto 106:ba1f97679dad 389 #define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */
Kojto 106:ba1f97679dad 390 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
Kojto 106:ba1f97679dad 391
Kojto 106:ba1f97679dad 392 #define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */
Kojto 106:ba1f97679dad 393 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
Kojto 106:ba1f97679dad 394
Kojto 106:ba1f97679dad 395 #define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */
Kojto 106:ba1f97679dad 396 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
Kojto 106:ba1f97679dad 397
Kojto 106:ba1f97679dad 398 #define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */
Kojto 106:ba1f97679dad 399 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
Kojto 106:ba1f97679dad 400
Kojto 106:ba1f97679dad 401 #define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */
Kojto 106:ba1f97679dad 402 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
Kojto 106:ba1f97679dad 403
Kojto 106:ba1f97679dad 404 #define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */
Kojto 106:ba1f97679dad 405 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
Kojto 106:ba1f97679dad 406
Kojto 106:ba1f97679dad 407 #define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */
Kojto 106:ba1f97679dad 408 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
Kojto 106:ba1f97679dad 409
Kojto 106:ba1f97679dad 410 #define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */
Kojto 106:ba1f97679dad 411 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
Kojto 106:ba1f97679dad 412
Kojto 106:ba1f97679dad 413 #define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */
Kojto 110:165afa46840b 414 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */
Kojto 106:ba1f97679dad 415
Kojto 106:ba1f97679dad 416 /* SCB Application Interrupt and Reset Control Register Definitions */
Kojto 106:ba1f97679dad 417 #define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */
Kojto 106:ba1f97679dad 418 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
Kojto 106:ba1f97679dad 419
Kojto 106:ba1f97679dad 420 #define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */
Kojto 106:ba1f97679dad 421 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
Kojto 106:ba1f97679dad 422
Kojto 106:ba1f97679dad 423 #define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */
Kojto 106:ba1f97679dad 424 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
Kojto 106:ba1f97679dad 425
Kojto 106:ba1f97679dad 426 #define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */
Kojto 106:ba1f97679dad 427 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
Kojto 106:ba1f97679dad 428
Kojto 106:ba1f97679dad 429 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */
Kojto 106:ba1f97679dad 430 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
Kojto 106:ba1f97679dad 431
Kojto 106:ba1f97679dad 432 /* SCB System Control Register Definitions */
Kojto 106:ba1f97679dad 433 #define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */
Kojto 106:ba1f97679dad 434 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
Kojto 106:ba1f97679dad 435
Kojto 106:ba1f97679dad 436 #define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */
Kojto 106:ba1f97679dad 437 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
Kojto 106:ba1f97679dad 438
Kojto 106:ba1f97679dad 439 #define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */
Kojto 106:ba1f97679dad 440 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
Kojto 106:ba1f97679dad 441
Kojto 106:ba1f97679dad 442 /* SCB Configuration Control Register Definitions */
Kojto 106:ba1f97679dad 443 #define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */
Kojto 106:ba1f97679dad 444 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
Kojto 106:ba1f97679dad 445
Kojto 106:ba1f97679dad 446 #define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */
Kojto 106:ba1f97679dad 447 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
Kojto 106:ba1f97679dad 448
Kojto 106:ba1f97679dad 449 /* SCB System Handler Control and State Register Definitions */
Kojto 106:ba1f97679dad 450 #define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
Kojto 106:ba1f97679dad 451 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
Kojto 106:ba1f97679dad 452
Kojto 106:ba1f97679dad 453 /*@} end of group CMSIS_SCB */
Kojto 106:ba1f97679dad 454
Kojto 106:ba1f97679dad 455
Kojto 106:ba1f97679dad 456 /** \ingroup CMSIS_core_register
Kojto 106:ba1f97679dad 457 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
Kojto 106:ba1f97679dad 458 \brief Type definitions for the System Timer Registers.
Kojto 106:ba1f97679dad 459 @{
Kojto 106:ba1f97679dad 460 */
Kojto 106:ba1f97679dad 461
Kojto 106:ba1f97679dad 462 /** \brief Structure type to access the System Timer (SysTick).
Kojto 106:ba1f97679dad 463 */
Kojto 106:ba1f97679dad 464 typedef struct
Kojto 106:ba1f97679dad 465 {
Kojto 106:ba1f97679dad 466 __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
Kojto 106:ba1f97679dad 467 __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
Kojto 106:ba1f97679dad 468 __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
Kojto 106:ba1f97679dad 469 __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
Kojto 106:ba1f97679dad 470 } SysTick_Type;
Kojto 106:ba1f97679dad 471
Kojto 106:ba1f97679dad 472 /* SysTick Control / Status Register Definitions */
Kojto 106:ba1f97679dad 473 #define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */
Kojto 106:ba1f97679dad 474 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
Kojto 106:ba1f97679dad 475
Kojto 106:ba1f97679dad 476 #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */
Kojto 106:ba1f97679dad 477 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
Kojto 106:ba1f97679dad 478
Kojto 106:ba1f97679dad 479 #define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */
Kojto 106:ba1f97679dad 480 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
Kojto 106:ba1f97679dad 481
Kojto 106:ba1f97679dad 482 #define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */
Kojto 110:165afa46840b 483 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */
Kojto 106:ba1f97679dad 484
Kojto 106:ba1f97679dad 485 /* SysTick Reload Register Definitions */
Kojto 106:ba1f97679dad 486 #define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */
Kojto 110:165afa46840b 487 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */
Kojto 106:ba1f97679dad 488
Kojto 106:ba1f97679dad 489 /* SysTick Current Register Definitions */
Kojto 106:ba1f97679dad 490 #define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */
Kojto 110:165afa46840b 491 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */
Kojto 106:ba1f97679dad 492
Kojto 106:ba1f97679dad 493 /* SysTick Calibration Register Definitions */
Kojto 106:ba1f97679dad 494 #define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */
Kojto 106:ba1f97679dad 495 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
Kojto 106:ba1f97679dad 496
Kojto 106:ba1f97679dad 497 #define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */
Kojto 106:ba1f97679dad 498 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
Kojto 106:ba1f97679dad 499
Kojto 106:ba1f97679dad 500 #define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */
Kojto 110:165afa46840b 501 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
Kojto 106:ba1f97679dad 502
Kojto 106:ba1f97679dad 503 /*@} end of group CMSIS_SysTick */
Kojto 106:ba1f97679dad 504
Kojto 106:ba1f97679dad 505
Kojto 106:ba1f97679dad 506 /** \ingroup CMSIS_core_register
Kojto 106:ba1f97679dad 507 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
Kojto 106:ba1f97679dad 508 \brief Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR)
Kojto 106:ba1f97679dad 509 are only accessible over DAP and not via processor. Therefore
Kojto 106:ba1f97679dad 510 they are not covered by the Cortex-M0 header file.
Kojto 106:ba1f97679dad 511 @{
Kojto 106:ba1f97679dad 512 */
Kojto 106:ba1f97679dad 513 /*@} end of group CMSIS_CoreDebug */
Kojto 106:ba1f97679dad 514
Kojto 106:ba1f97679dad 515
Kojto 106:ba1f97679dad 516 /** \ingroup CMSIS_core_register
Kojto 106:ba1f97679dad 517 \defgroup CMSIS_core_base Core Definitions
Kojto 106:ba1f97679dad 518 \brief Definitions for base addresses, unions, and structures.
Kojto 106:ba1f97679dad 519 @{
Kojto 106:ba1f97679dad 520 */
Kojto 106:ba1f97679dad 521
Kojto 106:ba1f97679dad 522 /* Memory mapping of Cortex-M0 Hardware */
Kojto 106:ba1f97679dad 523 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
Kojto 106:ba1f97679dad 524 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
Kojto 106:ba1f97679dad 525 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
Kojto 106:ba1f97679dad 526 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
Kojto 106:ba1f97679dad 527
Kojto 106:ba1f97679dad 528 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
Kojto 106:ba1f97679dad 529 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
Kojto 106:ba1f97679dad 530 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
Kojto 106:ba1f97679dad 531
Kojto 106:ba1f97679dad 532
Kojto 106:ba1f97679dad 533 /*@} */
Kojto 106:ba1f97679dad 534
Kojto 106:ba1f97679dad 535
Kojto 106:ba1f97679dad 536
Kojto 106:ba1f97679dad 537 /*******************************************************************************
Kojto 106:ba1f97679dad 538 * Hardware Abstraction Layer
Kojto 106:ba1f97679dad 539 Core Function Interface contains:
Kojto 106:ba1f97679dad 540 - Core NVIC Functions
Kojto 106:ba1f97679dad 541 - Core SysTick Functions
Kojto 106:ba1f97679dad 542 - Core Register Access Functions
Kojto 106:ba1f97679dad 543 ******************************************************************************/
Kojto 106:ba1f97679dad 544 /** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
Kojto 106:ba1f97679dad 545 */
Kojto 106:ba1f97679dad 546
Kojto 106:ba1f97679dad 547
Kojto 106:ba1f97679dad 548
Kojto 106:ba1f97679dad 549 /* ########################## NVIC functions #################################### */
Kojto 106:ba1f97679dad 550 /** \ingroup CMSIS_Core_FunctionInterface
Kojto 106:ba1f97679dad 551 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
Kojto 106:ba1f97679dad 552 \brief Functions that manage interrupts and exceptions via the NVIC.
Kojto 106:ba1f97679dad 553 @{
Kojto 106:ba1f97679dad 554 */
Kojto 106:ba1f97679dad 555
Kojto 106:ba1f97679dad 556 /* Interrupt Priorities are WORD accessible only under ARMv6M */
Kojto 106:ba1f97679dad 557 /* The following MACROS handle generation of the register offset and byte masks */
Kojto 110:165afa46840b 558 #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
Kojto 110:165afa46840b 559 #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
Kojto 110:165afa46840b 560 #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
Kojto 106:ba1f97679dad 561
Kojto 106:ba1f97679dad 562
Kojto 106:ba1f97679dad 563 /** \brief Enable External Interrupt
Kojto 106:ba1f97679dad 564
Kojto 106:ba1f97679dad 565 The function enables a device-specific interrupt in the NVIC interrupt controller.
Kojto 106:ba1f97679dad 566
Kojto 106:ba1f97679dad 567 \param [in] IRQn External interrupt number. Value cannot be negative.
Kojto 106:ba1f97679dad 568 */
Kojto 106:ba1f97679dad 569 __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
Kojto 106:ba1f97679dad 570 {
Kojto 110:165afa46840b 571 NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 106:ba1f97679dad 572 }
Kojto 106:ba1f97679dad 573
Kojto 106:ba1f97679dad 574
Kojto 106:ba1f97679dad 575 /** \brief Disable External Interrupt
Kojto 106:ba1f97679dad 576
Kojto 106:ba1f97679dad 577 The function disables a device-specific interrupt in the NVIC interrupt controller.
Kojto 106:ba1f97679dad 578
Kojto 106:ba1f97679dad 579 \param [in] IRQn External interrupt number. Value cannot be negative.
Kojto 106:ba1f97679dad 580 */
Kojto 106:ba1f97679dad 581 __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
Kojto 106:ba1f97679dad 582 {
Kojto 110:165afa46840b 583 NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 106:ba1f97679dad 584 }
Kojto 106:ba1f97679dad 585
Kojto 106:ba1f97679dad 586
Kojto 106:ba1f97679dad 587 /** \brief Get Pending Interrupt
Kojto 106:ba1f97679dad 588
Kojto 106:ba1f97679dad 589 The function reads the pending register in the NVIC and returns the pending bit
Kojto 106:ba1f97679dad 590 for the specified interrupt.
Kojto 106:ba1f97679dad 591
Kojto 106:ba1f97679dad 592 \param [in] IRQn Interrupt number.
Kojto 106:ba1f97679dad 593
Kojto 106:ba1f97679dad 594 \return 0 Interrupt status is not pending.
Kojto 106:ba1f97679dad 595 \return 1 Interrupt status is pending.
Kojto 106:ba1f97679dad 596 */
Kojto 106:ba1f97679dad 597 __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
Kojto 106:ba1f97679dad 598 {
Kojto 110:165afa46840b 599 return((uint32_t)(((NVIC->ISPR[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
Kojto 106:ba1f97679dad 600 }
Kojto 106:ba1f97679dad 601
Kojto 106:ba1f97679dad 602
Kojto 106:ba1f97679dad 603 /** \brief Set Pending Interrupt
Kojto 106:ba1f97679dad 604
Kojto 106:ba1f97679dad 605 The function sets the pending bit of an external interrupt.
Kojto 106:ba1f97679dad 606
Kojto 106:ba1f97679dad 607 \param [in] IRQn Interrupt number. Value cannot be negative.
Kojto 106:ba1f97679dad 608 */
Kojto 106:ba1f97679dad 609 __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
Kojto 106:ba1f97679dad 610 {
Kojto 110:165afa46840b 611 NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 106:ba1f97679dad 612 }
Kojto 106:ba1f97679dad 613
Kojto 106:ba1f97679dad 614
Kojto 106:ba1f97679dad 615 /** \brief Clear Pending Interrupt
Kojto 106:ba1f97679dad 616
Kojto 106:ba1f97679dad 617 The function clears the pending bit of an external interrupt.
Kojto 106:ba1f97679dad 618
Kojto 106:ba1f97679dad 619 \param [in] IRQn External interrupt number. Value cannot be negative.
Kojto 106:ba1f97679dad 620 */
Kojto 106:ba1f97679dad 621 __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
Kojto 106:ba1f97679dad 622 {
Kojto 110:165afa46840b 623 NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 106:ba1f97679dad 624 }
Kojto 106:ba1f97679dad 625
Kojto 106:ba1f97679dad 626
Kojto 106:ba1f97679dad 627 /** \brief Set Interrupt Priority
Kojto 106:ba1f97679dad 628
Kojto 106:ba1f97679dad 629 The function sets the priority of an interrupt.
Kojto 106:ba1f97679dad 630
Kojto 106:ba1f97679dad 631 \note The priority cannot be set for every core interrupt.
Kojto 106:ba1f97679dad 632
Kojto 106:ba1f97679dad 633 \param [in] IRQn Interrupt number.
Kojto 106:ba1f97679dad 634 \param [in] priority Priority to set.
Kojto 106:ba1f97679dad 635 */
Kojto 106:ba1f97679dad 636 __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
Kojto 106:ba1f97679dad 637 {
Kojto 110:165afa46840b 638 if((int32_t)(IRQn) < 0) {
Kojto 110:165afa46840b 639 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
Kojto 110:165afa46840b 640 (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
Kojto 110:165afa46840b 641 }
Kojto 106:ba1f97679dad 642 else {
Kojto 110:165afa46840b 643 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
Kojto 110:165afa46840b 644 (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
Kojto 110:165afa46840b 645 }
Kojto 106:ba1f97679dad 646 }
Kojto 106:ba1f97679dad 647
Kojto 106:ba1f97679dad 648
Kojto 106:ba1f97679dad 649 /** \brief Get Interrupt Priority
Kojto 106:ba1f97679dad 650
Kojto 106:ba1f97679dad 651 The function reads the priority of an interrupt. The interrupt
Kojto 106:ba1f97679dad 652 number can be positive to specify an external (device specific)
Kojto 106:ba1f97679dad 653 interrupt, or negative to specify an internal (core) interrupt.
Kojto 106:ba1f97679dad 654
Kojto 106:ba1f97679dad 655
Kojto 106:ba1f97679dad 656 \param [in] IRQn Interrupt number.
Kojto 106:ba1f97679dad 657 \return Interrupt Priority. Value is aligned automatically to the implemented
Kojto 106:ba1f97679dad 658 priority bits of the microcontroller.
Kojto 106:ba1f97679dad 659 */
Kojto 106:ba1f97679dad 660 __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
Kojto 106:ba1f97679dad 661 {
Kojto 106:ba1f97679dad 662
Kojto 110:165afa46840b 663 if((int32_t)(IRQn) < 0) {
Kojto 110:165afa46840b 664 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
Kojto 110:165afa46840b 665 }
Kojto 106:ba1f97679dad 666 else {
Kojto 110:165afa46840b 667 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS)));
Kojto 110:165afa46840b 668 }
Kojto 106:ba1f97679dad 669 }
Kojto 106:ba1f97679dad 670
Kojto 106:ba1f97679dad 671
Kojto 106:ba1f97679dad 672 /** \brief System Reset
Kojto 106:ba1f97679dad 673
Kojto 106:ba1f97679dad 674 The function initiates a system reset request to reset the MCU.
Kojto 106:ba1f97679dad 675 */
Kojto 106:ba1f97679dad 676 __STATIC_INLINE void NVIC_SystemReset(void)
Kojto 106:ba1f97679dad 677 {
Kojto 106:ba1f97679dad 678 __DSB(); /* Ensure all outstanding memory accesses included
Kojto 106:ba1f97679dad 679 buffered write are completed before reset */
Kojto 110:165afa46840b 680 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
Kojto 106:ba1f97679dad 681 SCB_AIRCR_SYSRESETREQ_Msk);
Kojto 106:ba1f97679dad 682 __DSB(); /* Ensure completion of memory access */
Kojto 110:165afa46840b 683 while(1) { __NOP(); } /* wait until reset */
Kojto 106:ba1f97679dad 684 }
Kojto 106:ba1f97679dad 685
Kojto 106:ba1f97679dad 686 /*@} end of CMSIS_Core_NVICFunctions */
Kojto 106:ba1f97679dad 687
Kojto 106:ba1f97679dad 688
Kojto 106:ba1f97679dad 689
Kojto 106:ba1f97679dad 690 /* ################################## SysTick function ############################################ */
Kojto 106:ba1f97679dad 691 /** \ingroup CMSIS_Core_FunctionInterface
Kojto 106:ba1f97679dad 692 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
Kojto 106:ba1f97679dad 693 \brief Functions that configure the System.
Kojto 106:ba1f97679dad 694 @{
Kojto 106:ba1f97679dad 695 */
Kojto 106:ba1f97679dad 696
Kojto 106:ba1f97679dad 697 #if (__Vendor_SysTickConfig == 0)
Kojto 106:ba1f97679dad 698
Kojto 106:ba1f97679dad 699 /** \brief System Tick Configuration
Kojto 106:ba1f97679dad 700
Kojto 106:ba1f97679dad 701 The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
Kojto 106:ba1f97679dad 702 Counter is in free running mode to generate periodic interrupts.
Kojto 106:ba1f97679dad 703
Kojto 106:ba1f97679dad 704 \param [in] ticks Number of ticks between two interrupts.
Kojto 106:ba1f97679dad 705
Kojto 106:ba1f97679dad 706 \return 0 Function succeeded.
Kojto 106:ba1f97679dad 707 \return 1 Function failed.
Kojto 106:ba1f97679dad 708
Kojto 106:ba1f97679dad 709 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
Kojto 106:ba1f97679dad 710 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
Kojto 106:ba1f97679dad 711 must contain a vendor-specific implementation of this function.
Kojto 106:ba1f97679dad 712
Kojto 106:ba1f97679dad 713 */
Kojto 106:ba1f97679dad 714 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
Kojto 106:ba1f97679dad 715 {
Kojto 110:165afa46840b 716 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) { return (1UL); } /* Reload value impossible */
Kojto 106:ba1f97679dad 717
Kojto 110:165afa46840b 718 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
Kojto 110:165afa46840b 719 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
Kojto 110:165afa46840b 720 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
Kojto 106:ba1f97679dad 721 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
Kojto 106:ba1f97679dad 722 SysTick_CTRL_TICKINT_Msk |
Kojto 110:165afa46840b 723 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
Kojto 110:165afa46840b 724 return (0UL); /* Function successful */
Kojto 106:ba1f97679dad 725 }
Kojto 106:ba1f97679dad 726
Kojto 106:ba1f97679dad 727 #endif
Kojto 106:ba1f97679dad 728
Kojto 106:ba1f97679dad 729 /*@} end of CMSIS_Core_SysTickFunctions */
Kojto 106:ba1f97679dad 730
Kojto 106:ba1f97679dad 731
Kojto 106:ba1f97679dad 732
Kojto 106:ba1f97679dad 733
Kojto 110:165afa46840b 734 #ifdef __cplusplus
Kojto 110:165afa46840b 735 }
Kojto 110:165afa46840b 736 #endif
Kojto 110:165afa46840b 737
Kojto 106:ba1f97679dad 738 #endif /* __CORE_CM0_H_DEPENDANT */
Kojto 106:ba1f97679dad 739
Kojto 106:ba1f97679dad 740 #endif /* __CMSIS_GENERIC */