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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NRF51_DK/core_cm0.h@110:165afa46840b, 2015-11-25 (annotated)

Committer:
Kojto
Date:
Wed Nov 25 13:21:40 2015 +0000
Revision:
110:165afa46840b
Parent:
91:031413cf7a89
Child:
128:9bcdf88f62b0
Release 110  of the mbed library



Changes:

- new platforms - STM32F410R, DISCO_F429ZI, DISCO_F469NI

- Nucleo L476 - gcc and uvision template

- k22,k64f targets - ADC channels A addition

- EFM32 - bugfixes in sleep, serial and spi

- Delta DFCM NNN40 - pinnames update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 91:031413cf7a89 1 /**************************************************************************//**
Kojto 91:031413cf7a89 2 * @file core_cm0.h
Kojto 91:031413cf7a89 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 91:031413cf7a89 6 *
Kojto 91:031413cf7a89 7 * @note
Kojto 91:031413cf7a89 8 *
Kojto 91:031413cf7a89 9 ******************************************************************************/
Kojto 110:165afa46840b 10 /* Copyright (c) 2009 - 2015 ARM LIMITED
Kojto 91:031413cf7a89 11
Kojto 91:031413cf7a89 12 All rights reserved.
Kojto 91:031413cf7a89 13 Redistribution and use in source and binary forms, with or without
Kojto 91:031413cf7a89 14 modification, are permitted provided that the following conditions are met:
Kojto 91:031413cf7a89 15 - Redistributions of source code must retain the above copyright
Kojto 91:031413cf7a89 16 notice, this list of conditions and the following disclaimer.
Kojto 91:031413cf7a89 17 - Redistributions in binary form must reproduce the above copyright
Kojto 91:031413cf7a89 18 notice, this list of conditions and the following disclaimer in the
Kojto 91:031413cf7a89 19 documentation and/or other materials provided with the distribution.
Kojto 91:031413cf7a89 20 - Neither the name of ARM nor the names of its contributors may be used
Kojto 91:031413cf7a89 21 to endorse or promote products derived from this software without
Kojto 91:031413cf7a89 22 specific prior written permission.
Kojto 91:031413cf7a89 23 *
Kojto 91:031413cf7a89 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 91:031413cf7a89 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 91:031413cf7a89 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Kojto 91:031413cf7a89 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
Kojto 91:031413cf7a89 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Kojto 91:031413cf7a89 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Kojto 91:031413cf7a89 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Kojto 91:031413cf7a89 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Kojto 91:031413cf7a89 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Kojto 91:031413cf7a89 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Kojto 91:031413cf7a89 34 POSSIBILITY OF SUCH DAMAGE.
Kojto 91:031413cf7a89 35 ---------------------------------------------------------------------------*/
Kojto 91:031413cf7a89 36
Kojto 91:031413cf7a89 37
Kojto 91:031413cf7a89 38 #if defined ( __ICCARM__ )
Kojto 91:031413cf7a89 39 #pragma system_include /* treat file as system include file for MISRA check */
Kojto 91:031413cf7a89 40 #endif
Kojto 91:031413cf7a89 41
Kojto 110:165afa46840b 42 #ifndef __CORE_CM0_H_GENERIC
Kojto 110:165afa46840b 43 #define __CORE_CM0_H_GENERIC
Kojto 110:165afa46840b 44
Kojto 91:031413cf7a89 45 #ifdef __cplusplus
Kojto 91:031413cf7a89 46 extern "C" {
Kojto 91:031413cf7a89 47 #endif
Kojto 91:031413cf7a89 48
Kojto 91:031413cf7a89 49 /** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
Kojto 91:031413cf7a89 50 CMSIS violates the following MISRA-C:2004 rules:
Kojto 91:031413cf7a89 51
Kojto 91:031413cf7a89 52 \li Required Rule 8.5, object/function definition in header file.<br>
Kojto 91:031413cf7a89 53 Function definitions in header files are used to allow 'inlining'.
Kojto 91:031413cf7a89 54
Kojto 91:031413cf7a89 55 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
Kojto 91:031413cf7a89 56 Unions are used for effective representation of core registers.
Kojto 91:031413cf7a89 57
Kojto 91:031413cf7a89 58 \li Advisory Rule 19.7, Function-like macro defined.<br>
Kojto 91:031413cf7a89 59 Function-like macros are used to allow more efficient code.
Kojto 91:031413cf7a89 60 */
Kojto 91:031413cf7a89 61
Kojto 91:031413cf7a89 62
Kojto 91:031413cf7a89 63 /*******************************************************************************
Kojto 91:031413cf7a89 64 * CMSIS definitions
Kojto 91:031413cf7a89 65 ******************************************************************************/
Kojto 91:031413cf7a89 66 /** \ingroup Cortex_M0
Kojto 91:031413cf7a89 67 @{
Kojto 91:031413cf7a89 68 */
Kojto 91:031413cf7a89 69
Kojto 91:031413cf7a89 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 91:031413cf7a89 73 #define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16) | \
Kojto 91:031413cf7a89 74 __CM0_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */
Kojto 91:031413cf7a89 75
Kojto 91:031413cf7a89 76 #define __CORTEX_M (0x00) /*!< Cortex-M Core */
Kojto 91:031413cf7a89 77
Kojto 91:031413cf7a89 78
Kojto 91:031413cf7a89 79 #if defined ( __CC_ARM )
Kojto 91:031413cf7a89 80 #define __ASM __asm /*!< asm keyword for ARM Compiler */
Kojto 91:031413cf7a89 81 #define __INLINE __inline /*!< inline keyword for ARM Compiler */
Kojto 91:031413cf7a89 82 #define __STATIC_INLINE static __inline
Kojto 91:031413cf7a89 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 91:031413cf7a89 89 #elif defined ( __ICCARM__ )
Kojto 91:031413cf7a89 90 #define __ASM __asm /*!< asm keyword for IAR Compiler */
Kojto 91:031413cf7a89 91 #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
Kojto 91:031413cf7a89 92 #define __STATIC_INLINE static inline
Kojto 91:031413cf7a89 93
Kojto 110:165afa46840b 94 #elif defined ( __TMS470__ )
Kojto 110:165afa46840b 95 #define __ASM __asm /*!< asm keyword for TI CCS Compiler */
Kojto 91:031413cf7a89 96 #define __STATIC_INLINE static inline
Kojto 91:031413cf7a89 97
Kojto 91:031413cf7a89 98 #elif defined ( __TASKING__ )
Kojto 91:031413cf7a89 99 #define __ASM __asm /*!< asm keyword for TASKING Compiler */
Kojto 91:031413cf7a89 100 #define __INLINE inline /*!< inline keyword for TASKING Compiler */
Kojto 91:031413cf7a89 101 #define __STATIC_INLINE static inline
Kojto 91:031413cf7a89 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 91:031413cf7a89 109 #endif
Kojto 91:031413cf7a89 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 91:031413cf7a89 113 */
Kojto 91:031413cf7a89 114 #define __FPU_USED 0
Kojto 91:031413cf7a89 115
Kojto 91:031413cf7a89 116 #if defined ( __CC_ARM )
Kojto 91:031413cf7a89 117 #if defined __TARGET_FPU_VFP
Kojto 91:031413cf7a89 118 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 91:031413cf7a89 119 #endif
Kojto 91:031413cf7a89 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 91:031413cf7a89 126 #elif defined ( __ICCARM__ )
Kojto 91:031413cf7a89 127 #if defined __ARMVFP__
Kojto 91:031413cf7a89 128 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 91:031413cf7a89 129 #endif
Kojto 91:031413cf7a89 130
Kojto 110:165afa46840b 131 #elif defined ( __TMS470__ )
Kojto 110:165afa46840b 132 #if defined __TI__VFP_SUPPORT____
Kojto 91:031413cf7a89 133 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 91:031413cf7a89 134 #endif
Kojto 91:031413cf7a89 135
Kojto 91:031413cf7a89 136 #elif defined ( __TASKING__ )
Kojto 91:031413cf7a89 137 #if defined __FPU_VFP__
Kojto 91:031413cf7a89 138 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
Kojto 91:031413cf7a89 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 91:031413cf7a89 145 #endif
Kojto 91:031413cf7a89 146
Kojto 91:031413cf7a89 147 #include <stdint.h> /* standard types definitions */
Kojto 91:031413cf7a89 148 #include <core_cmInstr.h> /* Core Instruction Access */
Kojto 91:031413cf7a89 149 #include <core_cmFunc.h> /* Core Function Access */
Kojto 91:031413cf7a89 150
Kojto 110:165afa46840b 151 #ifdef __cplusplus
Kojto 110:165afa46840b 152 }
Kojto 110:165afa46840b 153 #endif
Kojto 110:165afa46840b 154
Kojto 91:031413cf7a89 155 #endif /* __CORE_CM0_H_GENERIC */
Kojto 91:031413cf7a89 156
Kojto 91:031413cf7a89 157 #ifndef __CMSIS_GENERIC
Kojto 91:031413cf7a89 158
Kojto 91:031413cf7a89 159 #ifndef __CORE_CM0_H_DEPENDANT
Kojto 91:031413cf7a89 160 #define __CORE_CM0_H_DEPENDANT
Kojto 91:031413cf7a89 161
Kojto 110:165afa46840b 162 #ifdef __cplusplus
Kojto 110:165afa46840b 163 extern "C" {
Kojto 110:165afa46840b 164 #endif
Kojto 110:165afa46840b 165
Kojto 91:031413cf7a89 166 /* check device defines and use defaults */
Kojto 91:031413cf7a89 167 #if defined __CHECK_DEVICE_DEFINES
Kojto 91:031413cf7a89 168 #ifndef __CM0_REV
Kojto 91:031413cf7a89 169 #define __CM0_REV 0x0000
Kojto 91:031413cf7a89 170 #warning "__CM0_REV not defined in device header file; using default!"
Kojto 91:031413cf7a89 171 #endif
Kojto 91:031413cf7a89 172
Kojto 91:031413cf7a89 173 #ifndef __NVIC_PRIO_BITS
Kojto 91:031413cf7a89 174 #define __NVIC_PRIO_BITS 2
Kojto 91:031413cf7a89 175 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
Kojto 91:031413cf7a89 176 #endif
Kojto 91:031413cf7a89 177
Kojto 91:031413cf7a89 178 #ifndef __Vendor_SysTickConfig
Kojto 91:031413cf7a89 179 #define __Vendor_SysTickConfig 0
Kojto 91:031413cf7a89 180 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
Kojto 91:031413cf7a89 181 #endif
Kojto 91:031413cf7a89 182 #endif
Kojto 91:031413cf7a89 183
Kojto 91:031413cf7a89 184 /* IO definitions (access restrictions to peripheral registers) */
Kojto 91:031413cf7a89 185 /**
Kojto 91:031413cf7a89 186 \defgroup CMSIS_glob_defs CMSIS Global Defines
Kojto 91:031413cf7a89 187
Kojto 91:031413cf7a89 188 <strong>IO Type Qualifiers</strong> are used
Kojto 91:031413cf7a89 189 \li to specify the access to peripheral variables.
Kojto 91:031413cf7a89 190 \li for automatic generation of peripheral register debug information.
Kojto 91:031413cf7a89 191 */
Kojto 91:031413cf7a89 192 #ifdef __cplusplus
Kojto 91:031413cf7a89 193 #define __I volatile /*!< Defines 'read only' permissions */
Kojto 91:031413cf7a89 194 #else
Kojto 91:031413cf7a89 195 #define __I volatile const /*!< Defines 'read only' permissions */
Kojto 91:031413cf7a89 196 #endif
Kojto 91:031413cf7a89 197 #define __O volatile /*!< Defines 'write only' permissions */
Kojto 91:031413cf7a89 198 #define __IO volatile /*!< Defines 'read / write' permissions */
Kojto 91:031413cf7a89 199
Kojto 91:031413cf7a89 200 /*@} end of group Cortex_M0 */
Kojto 91:031413cf7a89 201
Kojto 91:031413cf7a89 202
Kojto 91:031413cf7a89 203
Kojto 91:031413cf7a89 204 /*******************************************************************************
Kojto 91:031413cf7a89 205 * Register Abstraction
Kojto 91:031413cf7a89 206 Core Register contain:
Kojto 91:031413cf7a89 207 - Core Register
Kojto 91:031413cf7a89 208 - Core NVIC Register
Kojto 91:031413cf7a89 209 - Core SCB Register
Kojto 91:031413cf7a89 210 - Core SysTick Register
Kojto 91:031413cf7a89 211 ******************************************************************************/
Kojto 91:031413cf7a89 212 /** \defgroup CMSIS_core_register Defines and Type Definitions
Kojto 91:031413cf7a89 213 \brief Type definitions and defines for Cortex-M processor based devices.
Kojto 91:031413cf7a89 214 */
Kojto 91:031413cf7a89 215
Kojto 91:031413cf7a89 216 /** \ingroup CMSIS_core_register
Kojto 91:031413cf7a89 217 \defgroup CMSIS_CORE Status and Control Registers
Kojto 91:031413cf7a89 218 \brief Core Register type definitions.
Kojto 91:031413cf7a89 219 @{
Kojto 91:031413cf7a89 220 */
Kojto 91:031413cf7a89 221
Kojto 91:031413cf7a89 222 /** \brief Union type to access the Application Program Status Register (APSR).
Kojto 91:031413cf7a89 223 */
Kojto 91:031413cf7a89 224 typedef union
Kojto 91:031413cf7a89 225 {
Kojto 91:031413cf7a89 226 struct
Kojto 91:031413cf7a89 227 {
Kojto 110:165afa46840b 228 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
Kojto 91:031413cf7a89 229 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
Kojto 91:031413cf7a89 230 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
Kojto 91:031413cf7a89 231 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
Kojto 91:031413cf7a89 232 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
Kojto 91:031413cf7a89 233 } b; /*!< Structure used for bit access */
Kojto 91:031413cf7a89 234 uint32_t w; /*!< Type used for word access */
Kojto 91:031413cf7a89 235 } APSR_Type;
Kojto 91:031413cf7a89 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 91:031413cf7a89 250
Kojto 91:031413cf7a89 251 /** \brief Union type to access the Interrupt Program Status Register (IPSR).
Kojto 91:031413cf7a89 252 */
Kojto 91:031413cf7a89 253 typedef union
Kojto 91:031413cf7a89 254 {
Kojto 91:031413cf7a89 255 struct
Kojto 91:031413cf7a89 256 {
Kojto 91:031413cf7a89 257 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
Kojto 91:031413cf7a89 258 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
Kojto 91:031413cf7a89 259 } b; /*!< Structure used for bit access */
Kojto 91:031413cf7a89 260 uint32_t w; /*!< Type used for word access */
Kojto 91:031413cf7a89 261 } IPSR_Type;
Kojto 91:031413cf7a89 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 91:031413cf7a89 267
Kojto 91:031413cf7a89 268 /** \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
Kojto 91:031413cf7a89 269 */
Kojto 91:031413cf7a89 270 typedef union
Kojto 91:031413cf7a89 271 {
Kojto 91:031413cf7a89 272 struct
Kojto 91:031413cf7a89 273 {
Kojto 91:031413cf7a89 274 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
Kojto 91:031413cf7a89 275 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
Kojto 91:031413cf7a89 276 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
Kojto 110:165afa46840b 277 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
Kojto 91:031413cf7a89 278 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
Kojto 91:031413cf7a89 279 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
Kojto 91:031413cf7a89 280 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
Kojto 91:031413cf7a89 281 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
Kojto 91:031413cf7a89 282 } b; /*!< Structure used for bit access */
Kojto 91:031413cf7a89 283 uint32_t w; /*!< Type used for word access */
Kojto 91:031413cf7a89 284 } xPSR_Type;
Kojto 91:031413cf7a89 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 91:031413cf7a89 305
Kojto 91:031413cf7a89 306 /** \brief Union type to access the Control Registers (CONTROL).
Kojto 91:031413cf7a89 307 */
Kojto 91:031413cf7a89 308 typedef union
Kojto 91:031413cf7a89 309 {
Kojto 91:031413cf7a89 310 struct
Kojto 91:031413cf7a89 311 {
Kojto 110:165afa46840b 312 uint32_t _reserved0:1; /*!< bit: 0 Reserved */
Kojto 91:031413cf7a89 313 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
Kojto 110:165afa46840b 314 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
Kojto 91:031413cf7a89 315 } b; /*!< Structure used for bit access */
Kojto 91:031413cf7a89 316 uint32_t w; /*!< Type used for word access */
Kojto 91:031413cf7a89 317 } CONTROL_Type;
Kojto 91:031413cf7a89 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 91:031413cf7a89 323 /*@} end of group CMSIS_CORE */
Kojto 91:031413cf7a89 324
Kojto 91:031413cf7a89 325
Kojto 91:031413cf7a89 326 /** \ingroup CMSIS_core_register
Kojto 91:031413cf7a89 327 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
Kojto 91:031413cf7a89 328 \brief Type definitions for the NVIC Registers
Kojto 91:031413cf7a89 329 @{
Kojto 91:031413cf7a89 330 */
Kojto 91:031413cf7a89 331
Kojto 91:031413cf7a89 332 /** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
Kojto 91:031413cf7a89 333 */
Kojto 91:031413cf7a89 334 typedef struct
Kojto 91:031413cf7a89 335 {
Kojto 91:031413cf7a89 336 __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
Kojto 91:031413cf7a89 337 uint32_t RESERVED0[31];
Kojto 91:031413cf7a89 338 __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
Kojto 91:031413cf7a89 339 uint32_t RSERVED1[31];
Kojto 91:031413cf7a89 340 __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
Kojto 91:031413cf7a89 341 uint32_t RESERVED2[31];
Kojto 91:031413cf7a89 342 __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
Kojto 91:031413cf7a89 343 uint32_t RESERVED3[31];
Kojto 91:031413cf7a89 344 uint32_t RESERVED4[64];
Kojto 91:031413cf7a89 345 __IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
Kojto 91:031413cf7a89 346 } NVIC_Type;
Kojto 91:031413cf7a89 347
Kojto 91:031413cf7a89 348 /*@} end of group CMSIS_NVIC */
Kojto 91:031413cf7a89 349
Kojto 91:031413cf7a89 350
Kojto 91:031413cf7a89 351 /** \ingroup CMSIS_core_register
Kojto 91:031413cf7a89 352 \defgroup CMSIS_SCB System Control Block (SCB)
Kojto 91:031413cf7a89 353 \brief Type definitions for the System Control Block Registers
Kojto 91:031413cf7a89 354 @{
Kojto 91:031413cf7a89 355 */
Kojto 91:031413cf7a89 356
Kojto 91:031413cf7a89 357 /** \brief Structure type to access the System Control Block (SCB).
Kojto 91:031413cf7a89 358 */
Kojto 91:031413cf7a89 359 typedef struct
Kojto 91:031413cf7a89 360 {
Kojto 91:031413cf7a89 361 __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
Kojto 91:031413cf7a89 362 __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
Kojto 91:031413cf7a89 363 uint32_t RESERVED0;
Kojto 91:031413cf7a89 364 __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
Kojto 91:031413cf7a89 365 __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
Kojto 91:031413cf7a89 366 __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
Kojto 91:031413cf7a89 367 uint32_t RESERVED1;
Kojto 91:031413cf7a89 368 __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
Kojto 91:031413cf7a89 369 __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
Kojto 91:031413cf7a89 370 } SCB_Type;
Kojto 91:031413cf7a89 371
Kojto 91:031413cf7a89 372 /* SCB CPUID Register Definitions */
Kojto 91:031413cf7a89 373 #define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */
Kojto 91:031413cf7a89 374 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
Kojto 91:031413cf7a89 375
Kojto 91:031413cf7a89 376 #define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */
Kojto 91:031413cf7a89 377 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
Kojto 91:031413cf7a89 378
Kojto 91:031413cf7a89 379 #define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */
Kojto 91:031413cf7a89 380 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
Kojto 91:031413cf7a89 381
Kojto 91:031413cf7a89 382 #define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */
Kojto 91:031413cf7a89 383 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
Kojto 91:031413cf7a89 384
Kojto 91:031413cf7a89 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 91:031413cf7a89 387
Kojto 91:031413cf7a89 388 /* SCB Interrupt Control State Register Definitions */
Kojto 91:031413cf7a89 389 #define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */
Kojto 91:031413cf7a89 390 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
Kojto 91:031413cf7a89 391
Kojto 91:031413cf7a89 392 #define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */
Kojto 91:031413cf7a89 393 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
Kojto 91:031413cf7a89 394
Kojto 91:031413cf7a89 395 #define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */
Kojto 91:031413cf7a89 396 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
Kojto 91:031413cf7a89 397
Kojto 91:031413cf7a89 398 #define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */
Kojto 91:031413cf7a89 399 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
Kojto 91:031413cf7a89 400
Kojto 91:031413cf7a89 401 #define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */
Kojto 91:031413cf7a89 402 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
Kojto 91:031413cf7a89 403
Kojto 91:031413cf7a89 404 #define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */
Kojto 91:031413cf7a89 405 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
Kojto 91:031413cf7a89 406
Kojto 91:031413cf7a89 407 #define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */
Kojto 91:031413cf7a89 408 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
Kojto 91:031413cf7a89 409
Kojto 91:031413cf7a89 410 #define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */
Kojto 91:031413cf7a89 411 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
Kojto 91:031413cf7a89 412
Kojto 91:031413cf7a89 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 91:031413cf7a89 415
Kojto 91:031413cf7a89 416 /* SCB Application Interrupt and Reset Control Register Definitions */
Kojto 91:031413cf7a89 417 #define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */
Kojto 91:031413cf7a89 418 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
Kojto 91:031413cf7a89 419
Kojto 91:031413cf7a89 420 #define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */
Kojto 91:031413cf7a89 421 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
Kojto 91:031413cf7a89 422
Kojto 91:031413cf7a89 423 #define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */
Kojto 91:031413cf7a89 424 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
Kojto 91:031413cf7a89 425
Kojto 91:031413cf7a89 426 #define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */
Kojto 91:031413cf7a89 427 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
Kojto 91:031413cf7a89 428
Kojto 91:031413cf7a89 429 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */
Kojto 91:031413cf7a89 430 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
Kojto 91:031413cf7a89 431
Kojto 91:031413cf7a89 432 /* SCB System Control Register Definitions */
Kojto 91:031413cf7a89 433 #define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */
Kojto 91:031413cf7a89 434 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
Kojto 91:031413cf7a89 435
Kojto 91:031413cf7a89 436 #define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */
Kojto 91:031413cf7a89 437 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
Kojto 91:031413cf7a89 438
Kojto 91:031413cf7a89 439 #define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */
Kojto 91:031413cf7a89 440 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
Kojto 91:031413cf7a89 441
Kojto 91:031413cf7a89 442 /* SCB Configuration Control Register Definitions */
Kojto 91:031413cf7a89 443 #define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */
Kojto 91:031413cf7a89 444 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
Kojto 91:031413cf7a89 445
Kojto 91:031413cf7a89 446 #define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */
Kojto 91:031413cf7a89 447 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
Kojto 91:031413cf7a89 448
Kojto 91:031413cf7a89 449 /* SCB System Handler Control and State Register Definitions */
Kojto 91:031413cf7a89 450 #define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
Kojto 91:031413cf7a89 451 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
Kojto 91:031413cf7a89 452
Kojto 91:031413cf7a89 453 /*@} end of group CMSIS_SCB */
Kojto 91:031413cf7a89 454
Kojto 91:031413cf7a89 455
Kojto 91:031413cf7a89 456 /** \ingroup CMSIS_core_register
Kojto 91:031413cf7a89 457 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
Kojto 91:031413cf7a89 458 \brief Type definitions for the System Timer Registers.
Kojto 91:031413cf7a89 459 @{
Kojto 91:031413cf7a89 460 */
Kojto 91:031413cf7a89 461
Kojto 91:031413cf7a89 462 /** \brief Structure type to access the System Timer (SysTick).
Kojto 91:031413cf7a89 463 */
Kojto 91:031413cf7a89 464 typedef struct
Kojto 91:031413cf7a89 465 {
Kojto 91:031413cf7a89 466 __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
Kojto 91:031413cf7a89 467 __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
Kojto 91:031413cf7a89 468 __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
Kojto 91:031413cf7a89 469 __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
Kojto 91:031413cf7a89 470 } SysTick_Type;
Kojto 91:031413cf7a89 471
Kojto 91:031413cf7a89 472 /* SysTick Control / Status Register Definitions */
Kojto 91:031413cf7a89 473 #define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */
Kojto 91:031413cf7a89 474 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
Kojto 91:031413cf7a89 475
Kojto 91:031413cf7a89 476 #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */
Kojto 91:031413cf7a89 477 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
Kojto 91:031413cf7a89 478
Kojto 91:031413cf7a89 479 #define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */
Kojto 91:031413cf7a89 480 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
Kojto 91:031413cf7a89 481
Kojto 91:031413cf7a89 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 91:031413cf7a89 484
Kojto 91:031413cf7a89 485 /* SysTick Reload Register Definitions */
Kojto 91:031413cf7a89 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 91:031413cf7a89 488
Kojto 91:031413cf7a89 489 /* SysTick Current Register Definitions */
Kojto 91:031413cf7a89 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 91:031413cf7a89 492
Kojto 91:031413cf7a89 493 /* SysTick Calibration Register Definitions */
Kojto 91:031413cf7a89 494 #define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */
Kojto 91:031413cf7a89 495 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
Kojto 91:031413cf7a89 496
Kojto 91:031413cf7a89 497 #define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */
Kojto 91:031413cf7a89 498 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
Kojto 91:031413cf7a89 499
Kojto 91:031413cf7a89 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 91:031413cf7a89 502
Kojto 91:031413cf7a89 503 /*@} end of group CMSIS_SysTick */
Kojto 91:031413cf7a89 504
Kojto 91:031413cf7a89 505
Kojto 91:031413cf7a89 506 /** \ingroup CMSIS_core_register
Kojto 91:031413cf7a89 507 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
Kojto 91:031413cf7a89 508 \brief Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR)
Kojto 91:031413cf7a89 509 are only accessible over DAP and not via processor. Therefore
Kojto 91:031413cf7a89 510 they are not covered by the Cortex-M0 header file.
Kojto 91:031413cf7a89 511 @{
Kojto 91:031413cf7a89 512 */
Kojto 91:031413cf7a89 513 /*@} end of group CMSIS_CoreDebug */
Kojto 91:031413cf7a89 514
Kojto 91:031413cf7a89 515
Kojto 91:031413cf7a89 516 /** \ingroup CMSIS_core_register
Kojto 91:031413cf7a89 517 \defgroup CMSIS_core_base Core Definitions
Kojto 91:031413cf7a89 518 \brief Definitions for base addresses, unions, and structures.
Kojto 91:031413cf7a89 519 @{
Kojto 91:031413cf7a89 520 */
Kojto 91:031413cf7a89 521
Kojto 91:031413cf7a89 522 /* Memory mapping of Cortex-M0 Hardware */
Kojto 91:031413cf7a89 523 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
Kojto 91:031413cf7a89 524 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
Kojto 91:031413cf7a89 525 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
Kojto 91:031413cf7a89 526 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
Kojto 91:031413cf7a89 527
Kojto 91:031413cf7a89 528 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
Kojto 91:031413cf7a89 529 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
Kojto 91:031413cf7a89 530 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
Kojto 91:031413cf7a89 531
Kojto 91:031413cf7a89 532
Kojto 91:031413cf7a89 533 /*@} */
Kojto 91:031413cf7a89 534
Kojto 91:031413cf7a89 535
Kojto 91:031413cf7a89 536
Kojto 91:031413cf7a89 537 /*******************************************************************************
Kojto 91:031413cf7a89 538 * Hardware Abstraction Layer
Kojto 91:031413cf7a89 539 Core Function Interface contains:
Kojto 91:031413cf7a89 540 - Core NVIC Functions
Kojto 91:031413cf7a89 541 - Core SysTick Functions
Kojto 91:031413cf7a89 542 - Core Register Access Functions
Kojto 91:031413cf7a89 543 ******************************************************************************/
Kojto 91:031413cf7a89 544 /** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
Kojto 91:031413cf7a89 545 */
Kojto 91:031413cf7a89 546
Kojto 91:031413cf7a89 547
Kojto 91:031413cf7a89 548
Kojto 91:031413cf7a89 549 /* ########################## NVIC functions #################################### */
Kojto 91:031413cf7a89 550 /** \ingroup CMSIS_Core_FunctionInterface
Kojto 91:031413cf7a89 551 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
Kojto 91:031413cf7a89 552 \brief Functions that manage interrupts and exceptions via the NVIC.
Kojto 91:031413cf7a89 553 @{
Kojto 91:031413cf7a89 554 */
Kojto 91:031413cf7a89 555
Kojto 91:031413cf7a89 556 /* Interrupt Priorities are WORD accessible only under ARMv6M */
Kojto 91:031413cf7a89 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 91:031413cf7a89 561
Kojto 91:031413cf7a89 562
Kojto 91:031413cf7a89 563 /** \brief Enable External Interrupt
Kojto 91:031413cf7a89 564
Kojto 91:031413cf7a89 565 The function enables a device-specific interrupt in the NVIC interrupt controller.
Kojto 91:031413cf7a89 566
Kojto 91:031413cf7a89 567 \param [in] IRQn External interrupt number. Value cannot be negative.
Kojto 91:031413cf7a89 568 */
Kojto 91:031413cf7a89 569 __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
Kojto 91:031413cf7a89 570 {
Kojto 110:165afa46840b 571 NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 91:031413cf7a89 572 }
Kojto 91:031413cf7a89 573
Kojto 91:031413cf7a89 574
Kojto 91:031413cf7a89 575 /** \brief Disable External Interrupt
Kojto 91:031413cf7a89 576
Kojto 91:031413cf7a89 577 The function disables a device-specific interrupt in the NVIC interrupt controller.
Kojto 91:031413cf7a89 578
Kojto 91:031413cf7a89 579 \param [in] IRQn External interrupt number. Value cannot be negative.
Kojto 91:031413cf7a89 580 */
Kojto 91:031413cf7a89 581 __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
Kojto 91:031413cf7a89 582 {
Kojto 110:165afa46840b 583 NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 91:031413cf7a89 584 }
Kojto 91:031413cf7a89 585
Kojto 91:031413cf7a89 586
Kojto 91:031413cf7a89 587 /** \brief Get Pending Interrupt
Kojto 91:031413cf7a89 588
Kojto 91:031413cf7a89 589 The function reads the pending register in the NVIC and returns the pending bit
Kojto 91:031413cf7a89 590 for the specified interrupt.
Kojto 91:031413cf7a89 591
Kojto 91:031413cf7a89 592 \param [in] IRQn Interrupt number.
Kojto 91:031413cf7a89 593
Kojto 91:031413cf7a89 594 \return 0 Interrupt status is not pending.
Kojto 91:031413cf7a89 595 \return 1 Interrupt status is pending.
Kojto 91:031413cf7a89 596 */
Kojto 91:031413cf7a89 597 __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
Kojto 91:031413cf7a89 598 {
Kojto 110:165afa46840b 599 return((uint32_t)(((NVIC->ISPR[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
Kojto 91:031413cf7a89 600 }
Kojto 91:031413cf7a89 601
Kojto 91:031413cf7a89 602
Kojto 91:031413cf7a89 603 /** \brief Set Pending Interrupt
Kojto 91:031413cf7a89 604
Kojto 91:031413cf7a89 605 The function sets the pending bit of an external interrupt.
Kojto 91:031413cf7a89 606
Kojto 91:031413cf7a89 607 \param [in] IRQn Interrupt number. Value cannot be negative.
Kojto 91:031413cf7a89 608 */
Kojto 91:031413cf7a89 609 __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
Kojto 91:031413cf7a89 610 {
Kojto 110:165afa46840b 611 NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 91:031413cf7a89 612 }
Kojto 91:031413cf7a89 613
Kojto 91:031413cf7a89 614
Kojto 91:031413cf7a89 615 /** \brief Clear Pending Interrupt
Kojto 91:031413cf7a89 616
Kojto 91:031413cf7a89 617 The function clears the pending bit of an external interrupt.
Kojto 91:031413cf7a89 618
Kojto 91:031413cf7a89 619 \param [in] IRQn External interrupt number. Value cannot be negative.
Kojto 91:031413cf7a89 620 */
Kojto 91:031413cf7a89 621 __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
Kojto 91:031413cf7a89 622 {
Kojto 110:165afa46840b 623 NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
Kojto 91:031413cf7a89 624 }
Kojto 91:031413cf7a89 625
Kojto 91:031413cf7a89 626
Kojto 91:031413cf7a89 627 /** \brief Set Interrupt Priority
Kojto 91:031413cf7a89 628
Kojto 91:031413cf7a89 629 The function sets the priority of an interrupt.
Kojto 91:031413cf7a89 630
Kojto 91:031413cf7a89 631 \note The priority cannot be set for every core interrupt.
Kojto 91:031413cf7a89 632
Kojto 91:031413cf7a89 633 \param [in] IRQn Interrupt number.
Kojto 91:031413cf7a89 634 \param [in] priority Priority to set.
Kojto 91:031413cf7a89 635 */
Kojto 91:031413cf7a89 636 __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
Kojto 91:031413cf7a89 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 91:031413cf7a89 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 91:031413cf7a89 646 }
Kojto 91:031413cf7a89 647
Kojto 91:031413cf7a89 648
Kojto 91:031413cf7a89 649 /** \brief Get Interrupt Priority
Kojto 91:031413cf7a89 650
Kojto 91:031413cf7a89 651 The function reads the priority of an interrupt. The interrupt
Kojto 91:031413cf7a89 652 number can be positive to specify an external (device specific)
Kojto 91:031413cf7a89 653 interrupt, or negative to specify an internal (core) interrupt.
Kojto 91:031413cf7a89 654
Kojto 91:031413cf7a89 655
Kojto 91:031413cf7a89 656 \param [in] IRQn Interrupt number.
Kojto 91:031413cf7a89 657 \return Interrupt Priority. Value is aligned automatically to the implemented
Kojto 91:031413cf7a89 658 priority bits of the microcontroller.
Kojto 91:031413cf7a89 659 */
Kojto 91:031413cf7a89 660 __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
Kojto 91:031413cf7a89 661 {
Kojto 91:031413cf7a89 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 91:031413cf7a89 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 91:031413cf7a89 669 }
Kojto 91:031413cf7a89 670
Kojto 91:031413cf7a89 671
Kojto 91:031413cf7a89 672 /** \brief System Reset
Kojto 91:031413cf7a89 673
Kojto 91:031413cf7a89 674 The function initiates a system reset request to reset the MCU.
Kojto 91:031413cf7a89 675 */
Kojto 91:031413cf7a89 676 __STATIC_INLINE void NVIC_SystemReset(void)
Kojto 91:031413cf7a89 677 {
Kojto 91:031413cf7a89 678 __DSB(); /* Ensure all outstanding memory accesses included
Kojto 91:031413cf7a89 679 buffered write are completed before reset */
Kojto 110:165afa46840b 680 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
Kojto 91:031413cf7a89 681 SCB_AIRCR_SYSRESETREQ_Msk);
Kojto 91:031413cf7a89 682 __DSB(); /* Ensure completion of memory access */
Kojto 110:165afa46840b 683 while(1) { __NOP(); } /* wait until reset */
Kojto 91:031413cf7a89 684 }
Kojto 91:031413cf7a89 685
Kojto 91:031413cf7a89 686 /*@} end of CMSIS_Core_NVICFunctions */
Kojto 91:031413cf7a89 687
Kojto 91:031413cf7a89 688
Kojto 91:031413cf7a89 689
Kojto 91:031413cf7a89 690 /* ################################## SysTick function ############################################ */
Kojto 91:031413cf7a89 691 /** \ingroup CMSIS_Core_FunctionInterface
Kojto 91:031413cf7a89 692 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
Kojto 91:031413cf7a89 693 \brief Functions that configure the System.
Kojto 91:031413cf7a89 694 @{
Kojto 91:031413cf7a89 695 */
Kojto 91:031413cf7a89 696
Kojto 91:031413cf7a89 697 #if (__Vendor_SysTickConfig == 0)
Kojto 91:031413cf7a89 698
Kojto 91:031413cf7a89 699 /** \brief System Tick Configuration
Kojto 91:031413cf7a89 700
Kojto 91:031413cf7a89 701 The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
Kojto 91:031413cf7a89 702 Counter is in free running mode to generate periodic interrupts.
Kojto 91:031413cf7a89 703
Kojto 91:031413cf7a89 704 \param [in] ticks Number of ticks between two interrupts.
Kojto 91:031413cf7a89 705
Kojto 91:031413cf7a89 706 \return 0 Function succeeded.
Kojto 91:031413cf7a89 707 \return 1 Function failed.
Kojto 91:031413cf7a89 708
Kojto 91:031413cf7a89 709 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
Kojto 91:031413cf7a89 710 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
Kojto 91:031413cf7a89 711 must contain a vendor-specific implementation of this function.
Kojto 91:031413cf7a89 712
Kojto 91:031413cf7a89 713 */
Kojto 91:031413cf7a89 714 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
Kojto 91:031413cf7a89 715 {
Kojto 110:165afa46840b 716 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) { return (1UL); } /* Reload value impossible */
Kojto 91:031413cf7a89 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 91:031413cf7a89 721 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
Kojto 91:031413cf7a89 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 91:031413cf7a89 725 }
Kojto 91:031413cf7a89 726
Kojto 91:031413cf7a89 727 #endif
Kojto 91:031413cf7a89 728
Kojto 91:031413cf7a89 729 /*@} end of CMSIS_Core_SysTickFunctions */
Kojto 91:031413cf7a89 730
Kojto 91:031413cf7a89 731
Kojto 91:031413cf7a89 732
Kojto 91:031413cf7a89 733
Kojto 110:165afa46840b 734 #ifdef __cplusplus
Kojto 110:165afa46840b 735 }
Kojto 110:165afa46840b 736 #endif
Kojto 110:165afa46840b 737
Kojto 91:031413cf7a89 738 #endif /* __CORE_CM0_H_DEPENDANT */
Kojto 91:031413cf7a89 739
Kojto 91:031413cf7a89 740 #endif /* __CMSIS_GENERIC */