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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_LPC11U35_401/core_cm0.h@74:a842253909c9, 2013-12-13 (annotated)

Committer:
bogdanm
Date:
Fri Dec 13 14:18:40 2013 +0200
Revision:
74:a842253909c9
Child:
110:165afa46840b
Release 74 of the mbed library



Main changes:



- added Embedded Artists LPC11U35 quick start board to the SDK

- fixes for LPC4088/NUCLEO_F103RB

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 74:a842253909c9 1 /**************************************************************************//**
bogdanm 74:a842253909c9 2 * @file core_cm0.h
bogdanm 74:a842253909c9 3 * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File
bogdanm 74:a842253909c9 4 * @version V3.20
bogdanm 74:a842253909c9 5 * @date 25. February 2013
bogdanm 74:a842253909c9 6 *
bogdanm 74:a842253909c9 7 * @note
bogdanm 74:a842253909c9 8 *
bogdanm 74:a842253909c9 9 ******************************************************************************/
bogdanm 74:a842253909c9 10 /* Copyright (c) 2009 - 2013 ARM LIMITED
bogdanm 74:a842253909c9 11
bogdanm 74:a842253909c9 12 All rights reserved.
bogdanm 74:a842253909c9 13 Redistribution and use in source and binary forms, with or without
bogdanm 74:a842253909c9 14 modification, are permitted provided that the following conditions are met:
bogdanm 74:a842253909c9 15 - Redistributions of source code must retain the above copyright
bogdanm 74:a842253909c9 16 notice, this list of conditions and the following disclaimer.
bogdanm 74:a842253909c9 17 - Redistributions in binary form must reproduce the above copyright
bogdanm 74:a842253909c9 18 notice, this list of conditions and the following disclaimer in the
bogdanm 74:a842253909c9 19 documentation and/or other materials provided with the distribution.
bogdanm 74:a842253909c9 20 - Neither the name of ARM nor the names of its contributors may be used
bogdanm 74:a842253909c9 21 to endorse or promote products derived from this software without
bogdanm 74:a842253909c9 22 specific prior written permission.
bogdanm 74:a842253909c9 23 *
bogdanm 74:a842253909c9 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 74:a842253909c9 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 74:a842253909c9 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
bogdanm 74:a842253909c9 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
bogdanm 74:a842253909c9 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
bogdanm 74:a842253909c9 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
bogdanm 74:a842253909c9 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
bogdanm 74:a842253909c9 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
bogdanm 74:a842253909c9 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
bogdanm 74:a842253909c9 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
bogdanm 74:a842253909c9 34 POSSIBILITY OF SUCH DAMAGE.
bogdanm 74:a842253909c9 35 ---------------------------------------------------------------------------*/
bogdanm 74:a842253909c9 36
bogdanm 74:a842253909c9 37
bogdanm 74:a842253909c9 38 #if defined ( __ICCARM__ )
bogdanm 74:a842253909c9 39 #pragma system_include /* treat file as system include file for MISRA check */
bogdanm 74:a842253909c9 40 #endif
bogdanm 74:a842253909c9 41
bogdanm 74:a842253909c9 42 #ifdef __cplusplus
bogdanm 74:a842253909c9 43 extern "C" {
bogdanm 74:a842253909c9 44 #endif
bogdanm 74:a842253909c9 45
bogdanm 74:a842253909c9 46 #ifndef __CORE_CM0_H_GENERIC
bogdanm 74:a842253909c9 47 #define __CORE_CM0_H_GENERIC
bogdanm 74:a842253909c9 48
bogdanm 74:a842253909c9 49 /** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
bogdanm 74:a842253909c9 50 CMSIS violates the following MISRA-C:2004 rules:
bogdanm 74:a842253909c9 51
bogdanm 74:a842253909c9 52 \li Required Rule 8.5, object/function definition in header file.<br>
bogdanm 74:a842253909c9 53 Function definitions in header files are used to allow 'inlining'.
bogdanm 74:a842253909c9 54
bogdanm 74:a842253909c9 55 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
bogdanm 74:a842253909c9 56 Unions are used for effective representation of core registers.
bogdanm 74:a842253909c9 57
bogdanm 74:a842253909c9 58 \li Advisory Rule 19.7, Function-like macro defined.<br>
bogdanm 74:a842253909c9 59 Function-like macros are used to allow more efficient code.
bogdanm 74:a842253909c9 60 */
bogdanm 74:a842253909c9 61
bogdanm 74:a842253909c9 62
bogdanm 74:a842253909c9 63 /*******************************************************************************
bogdanm 74:a842253909c9 64 * CMSIS definitions
bogdanm 74:a842253909c9 65 ******************************************************************************/
bogdanm 74:a842253909c9 66 /** \ingroup Cortex_M0
bogdanm 74:a842253909c9 67 @{
bogdanm 74:a842253909c9 68 */
bogdanm 74:a842253909c9 69
bogdanm 74:a842253909c9 70 /* CMSIS CM0 definitions */
bogdanm 74:a842253909c9 71 #define __CM0_CMSIS_VERSION_MAIN (0x03) /*!< [31:16] CMSIS HAL main version */
bogdanm 74:a842253909c9 72 #define __CM0_CMSIS_VERSION_SUB (0x20) /*!< [15:0] CMSIS HAL sub version */
bogdanm 74:a842253909c9 73 #define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16) | \
bogdanm 74:a842253909c9 74 __CM0_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */
bogdanm 74:a842253909c9 75
bogdanm 74:a842253909c9 76 #define __CORTEX_M (0x00) /*!< Cortex-M Core */
bogdanm 74:a842253909c9 77
bogdanm 74:a842253909c9 78
bogdanm 74:a842253909c9 79 #if defined ( __CC_ARM )
bogdanm 74:a842253909c9 80 #define __ASM __asm /*!< asm keyword for ARM Compiler */
bogdanm 74:a842253909c9 81 #define __INLINE __inline /*!< inline keyword for ARM Compiler */
bogdanm 74:a842253909c9 82 #define __STATIC_INLINE static __inline
bogdanm 74:a842253909c9 83
bogdanm 74:a842253909c9 84 #elif defined ( __ICCARM__ )
bogdanm 74:a842253909c9 85 #define __ASM __asm /*!< asm keyword for IAR Compiler */
bogdanm 74:a842253909c9 86 #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
bogdanm 74:a842253909c9 87 #define __STATIC_INLINE static inline
bogdanm 74:a842253909c9 88
bogdanm 74:a842253909c9 89 #elif defined ( __GNUC__ )
bogdanm 74:a842253909c9 90 #define __ASM __asm /*!< asm keyword for GNU Compiler */
bogdanm 74:a842253909c9 91 #define __INLINE inline /*!< inline keyword for GNU Compiler */
bogdanm 74:a842253909c9 92 #define __STATIC_INLINE static inline
bogdanm 74:a842253909c9 93
bogdanm 74:a842253909c9 94 #elif defined ( __TASKING__ )
bogdanm 74:a842253909c9 95 #define __ASM __asm /*!< asm keyword for TASKING Compiler */
bogdanm 74:a842253909c9 96 #define __INLINE inline /*!< inline keyword for TASKING Compiler */
bogdanm 74:a842253909c9 97 #define __STATIC_INLINE static inline
bogdanm 74:a842253909c9 98
bogdanm 74:a842253909c9 99 #endif
bogdanm 74:a842253909c9 100
bogdanm 74:a842253909c9 101 /** __FPU_USED indicates whether an FPU is used or not. This core does not support an FPU at all
bogdanm 74:a842253909c9 102 */
bogdanm 74:a842253909c9 103 #define __FPU_USED 0
bogdanm 74:a842253909c9 104
bogdanm 74:a842253909c9 105 #if defined ( __CC_ARM )
bogdanm 74:a842253909c9 106 #if defined __TARGET_FPU_VFP
bogdanm 74:a842253909c9 107 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
bogdanm 74:a842253909c9 108 #endif
bogdanm 74:a842253909c9 109
bogdanm 74:a842253909c9 110 #elif defined ( __ICCARM__ )
bogdanm 74:a842253909c9 111 #if defined __ARMVFP__
bogdanm 74:a842253909c9 112 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
bogdanm 74:a842253909c9 113 #endif
bogdanm 74:a842253909c9 114
bogdanm 74:a842253909c9 115 #elif defined ( __GNUC__ )
bogdanm 74:a842253909c9 116 #if defined (__VFP_FP__) && !defined(__SOFTFP__)
bogdanm 74:a842253909c9 117 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
bogdanm 74:a842253909c9 118 #endif
bogdanm 74:a842253909c9 119
bogdanm 74:a842253909c9 120 #elif defined ( __TASKING__ )
bogdanm 74:a842253909c9 121 #if defined __FPU_VFP__
bogdanm 74:a842253909c9 122 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
bogdanm 74:a842253909c9 123 #endif
bogdanm 74:a842253909c9 124 #endif
bogdanm 74:a842253909c9 125
bogdanm 74:a842253909c9 126 #include <stdint.h> /* standard types definitions */
bogdanm 74:a842253909c9 127 #include <core_cmInstr.h> /* Core Instruction Access */
bogdanm 74:a842253909c9 128 #include <core_cmFunc.h> /* Core Function Access */
bogdanm 74:a842253909c9 129
bogdanm 74:a842253909c9 130 #endif /* __CORE_CM0_H_GENERIC */
bogdanm 74:a842253909c9 131
bogdanm 74:a842253909c9 132 #ifndef __CMSIS_GENERIC
bogdanm 74:a842253909c9 133
bogdanm 74:a842253909c9 134 #ifndef __CORE_CM0_H_DEPENDANT
bogdanm 74:a842253909c9 135 #define __CORE_CM0_H_DEPENDANT
bogdanm 74:a842253909c9 136
bogdanm 74:a842253909c9 137 /* check device defines and use defaults */
bogdanm 74:a842253909c9 138 #if defined __CHECK_DEVICE_DEFINES
bogdanm 74:a842253909c9 139 #ifndef __CM0_REV
bogdanm 74:a842253909c9 140 #define __CM0_REV 0x0000
bogdanm 74:a842253909c9 141 #warning "__CM0_REV not defined in device header file; using default!"
bogdanm 74:a842253909c9 142 #endif
bogdanm 74:a842253909c9 143
bogdanm 74:a842253909c9 144 #ifndef __NVIC_PRIO_BITS
bogdanm 74:a842253909c9 145 #define __NVIC_PRIO_BITS 2
bogdanm 74:a842253909c9 146 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
bogdanm 74:a842253909c9 147 #endif
bogdanm 74:a842253909c9 148
bogdanm 74:a842253909c9 149 #ifndef __Vendor_SysTickConfig
bogdanm 74:a842253909c9 150 #define __Vendor_SysTickConfig 0
bogdanm 74:a842253909c9 151 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
bogdanm 74:a842253909c9 152 #endif
bogdanm 74:a842253909c9 153 #endif
bogdanm 74:a842253909c9 154
bogdanm 74:a842253909c9 155 /* IO definitions (access restrictions to peripheral registers) */
bogdanm 74:a842253909c9 156 /**
bogdanm 74:a842253909c9 157 \defgroup CMSIS_glob_defs CMSIS Global Defines
bogdanm 74:a842253909c9 158
bogdanm 74:a842253909c9 159 <strong>IO Type Qualifiers</strong> are used
bogdanm 74:a842253909c9 160 \li to specify the access to peripheral variables.
bogdanm 74:a842253909c9 161 \li for automatic generation of peripheral register debug information.
bogdanm 74:a842253909c9 162 */
bogdanm 74:a842253909c9 163 #ifdef __cplusplus
bogdanm 74:a842253909c9 164 #define __I volatile /*!< Defines 'read only' permissions */
bogdanm 74:a842253909c9 165 #else
bogdanm 74:a842253909c9 166 #define __I volatile const /*!< Defines 'read only' permissions */
bogdanm 74:a842253909c9 167 #endif
bogdanm 74:a842253909c9 168 #define __O volatile /*!< Defines 'write only' permissions */
bogdanm 74:a842253909c9 169 #define __IO volatile /*!< Defines 'read / write' permissions */
bogdanm 74:a842253909c9 170
bogdanm 74:a842253909c9 171 /*@} end of group Cortex_M0 */
bogdanm 74:a842253909c9 172
bogdanm 74:a842253909c9 173
bogdanm 74:a842253909c9 174
bogdanm 74:a842253909c9 175 /*******************************************************************************
bogdanm 74:a842253909c9 176 * Register Abstraction
bogdanm 74:a842253909c9 177 Core Register contain:
bogdanm 74:a842253909c9 178 - Core Register
bogdanm 74:a842253909c9 179 - Core NVIC Register
bogdanm 74:a842253909c9 180 - Core SCB Register
bogdanm 74:a842253909c9 181 - Core SysTick Register
bogdanm 74:a842253909c9 182 ******************************************************************************/
bogdanm 74:a842253909c9 183 /** \defgroup CMSIS_core_register Defines and Type Definitions
bogdanm 74:a842253909c9 184 \brief Type definitions and defines for Cortex-M processor based devices.
bogdanm 74:a842253909c9 185 */
bogdanm 74:a842253909c9 186
bogdanm 74:a842253909c9 187 /** \ingroup CMSIS_core_register
bogdanm 74:a842253909c9 188 \defgroup CMSIS_CORE Status and Control Registers
bogdanm 74:a842253909c9 189 \brief Core Register type definitions.
bogdanm 74:a842253909c9 190 @{
bogdanm 74:a842253909c9 191 */
bogdanm 74:a842253909c9 192
bogdanm 74:a842253909c9 193 /** \brief Union type to access the Application Program Status Register (APSR).
bogdanm 74:a842253909c9 194 */
bogdanm 74:a842253909c9 195 typedef union
bogdanm 74:a842253909c9 196 {
bogdanm 74:a842253909c9 197 struct
bogdanm 74:a842253909c9 198 {
bogdanm 74:a842253909c9 199 #if (__CORTEX_M != 0x04)
bogdanm 74:a842253909c9 200 uint32_t _reserved0:27; /*!< bit: 0..26 Reserved */
bogdanm 74:a842253909c9 201 #else
bogdanm 74:a842253909c9 202 uint32_t _reserved0:16; /*!< bit: 0..15 Reserved */
bogdanm 74:a842253909c9 203 uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */
bogdanm 74:a842253909c9 204 uint32_t _reserved1:7; /*!< bit: 20..26 Reserved */
bogdanm 74:a842253909c9 205 #endif
bogdanm 74:a842253909c9 206 uint32_t Q:1; /*!< bit: 27 Saturation condition flag */
bogdanm 74:a842253909c9 207 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
bogdanm 74:a842253909c9 208 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
bogdanm 74:a842253909c9 209 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
bogdanm 74:a842253909c9 210 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
bogdanm 74:a842253909c9 211 } b; /*!< Structure used for bit access */
bogdanm 74:a842253909c9 212 uint32_t w; /*!< Type used for word access */
bogdanm 74:a842253909c9 213 } APSR_Type;
bogdanm 74:a842253909c9 214
bogdanm 74:a842253909c9 215
bogdanm 74:a842253909c9 216 /** \brief Union type to access the Interrupt Program Status Register (IPSR).
bogdanm 74:a842253909c9 217 */
bogdanm 74:a842253909c9 218 typedef union
bogdanm 74:a842253909c9 219 {
bogdanm 74:a842253909c9 220 struct
bogdanm 74:a842253909c9 221 {
bogdanm 74:a842253909c9 222 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
bogdanm 74:a842253909c9 223 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
bogdanm 74:a842253909c9 224 } b; /*!< Structure used for bit access */
bogdanm 74:a842253909c9 225 uint32_t w; /*!< Type used for word access */
bogdanm 74:a842253909c9 226 } IPSR_Type;
bogdanm 74:a842253909c9 227
bogdanm 74:a842253909c9 228
bogdanm 74:a842253909c9 229 /** \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
bogdanm 74:a842253909c9 230 */
bogdanm 74:a842253909c9 231 typedef union
bogdanm 74:a842253909c9 232 {
bogdanm 74:a842253909c9 233 struct
bogdanm 74:a842253909c9 234 {
bogdanm 74:a842253909c9 235 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
bogdanm 74:a842253909c9 236 #if (__CORTEX_M != 0x04)
bogdanm 74:a842253909c9 237 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
bogdanm 74:a842253909c9 238 #else
bogdanm 74:a842253909c9 239 uint32_t _reserved0:7; /*!< bit: 9..15 Reserved */
bogdanm 74:a842253909c9 240 uint32_t GE:4; /*!< bit: 16..19 Greater than or Equal flags */
bogdanm 74:a842253909c9 241 uint32_t _reserved1:4; /*!< bit: 20..23 Reserved */
bogdanm 74:a842253909c9 242 #endif
bogdanm 74:a842253909c9 243 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
bogdanm 74:a842253909c9 244 uint32_t IT:2; /*!< bit: 25..26 saved IT state (read 0) */
bogdanm 74:a842253909c9 245 uint32_t Q:1; /*!< bit: 27 Saturation condition flag */
bogdanm 74:a842253909c9 246 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
bogdanm 74:a842253909c9 247 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
bogdanm 74:a842253909c9 248 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
bogdanm 74:a842253909c9 249 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
bogdanm 74:a842253909c9 250 } b; /*!< Structure used for bit access */
bogdanm 74:a842253909c9 251 uint32_t w; /*!< Type used for word access */
bogdanm 74:a842253909c9 252 } xPSR_Type;
bogdanm 74:a842253909c9 253
bogdanm 74:a842253909c9 254
bogdanm 74:a842253909c9 255 /** \brief Union type to access the Control Registers (CONTROL).
bogdanm 74:a842253909c9 256 */
bogdanm 74:a842253909c9 257 typedef union
bogdanm 74:a842253909c9 258 {
bogdanm 74:a842253909c9 259 struct
bogdanm 74:a842253909c9 260 {
bogdanm 74:a842253909c9 261 uint32_t nPRIV:1; /*!< bit: 0 Execution privilege in Thread mode */
bogdanm 74:a842253909c9 262 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
bogdanm 74:a842253909c9 263 uint32_t FPCA:1; /*!< bit: 2 FP extension active flag */
bogdanm 74:a842253909c9 264 uint32_t _reserved0:29; /*!< bit: 3..31 Reserved */
bogdanm 74:a842253909c9 265 } b; /*!< Structure used for bit access */
bogdanm 74:a842253909c9 266 uint32_t w; /*!< Type used for word access */
bogdanm 74:a842253909c9 267 } CONTROL_Type;
bogdanm 74:a842253909c9 268
bogdanm 74:a842253909c9 269 /*@} end of group CMSIS_CORE */
bogdanm 74:a842253909c9 270
bogdanm 74:a842253909c9 271
bogdanm 74:a842253909c9 272 /** \ingroup CMSIS_core_register
bogdanm 74:a842253909c9 273 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
bogdanm 74:a842253909c9 274 \brief Type definitions for the NVIC Registers
bogdanm 74:a842253909c9 275 @{
bogdanm 74:a842253909c9 276 */
bogdanm 74:a842253909c9 277
bogdanm 74:a842253909c9 278 /** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
bogdanm 74:a842253909c9 279 */
bogdanm 74:a842253909c9 280 typedef struct
bogdanm 74:a842253909c9 281 {
bogdanm 74:a842253909c9 282 __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
bogdanm 74:a842253909c9 283 uint32_t RESERVED0[31];
bogdanm 74:a842253909c9 284 __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
bogdanm 74:a842253909c9 285 uint32_t RSERVED1[31];
bogdanm 74:a842253909c9 286 __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
bogdanm 74:a842253909c9 287 uint32_t RESERVED2[31];
bogdanm 74:a842253909c9 288 __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
bogdanm 74:a842253909c9 289 uint32_t RESERVED3[31];
bogdanm 74:a842253909c9 290 uint32_t RESERVED4[64];
bogdanm 74:a842253909c9 291 __IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
bogdanm 74:a842253909c9 292 } NVIC_Type;
bogdanm 74:a842253909c9 293
bogdanm 74:a842253909c9 294 /*@} end of group CMSIS_NVIC */
bogdanm 74:a842253909c9 295
bogdanm 74:a842253909c9 296
bogdanm 74:a842253909c9 297 /** \ingroup CMSIS_core_register
bogdanm 74:a842253909c9 298 \defgroup CMSIS_SCB System Control Block (SCB)
bogdanm 74:a842253909c9 299 \brief Type definitions for the System Control Block Registers
bogdanm 74:a842253909c9 300 @{
bogdanm 74:a842253909c9 301 */
bogdanm 74:a842253909c9 302
bogdanm 74:a842253909c9 303 /** \brief Structure type to access the System Control Block (SCB).
bogdanm 74:a842253909c9 304 */
bogdanm 74:a842253909c9 305 typedef struct
bogdanm 74:a842253909c9 306 {
bogdanm 74:a842253909c9 307 __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
bogdanm 74:a842253909c9 308 __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
bogdanm 74:a842253909c9 309 uint32_t RESERVED0;
bogdanm 74:a842253909c9 310 __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
bogdanm 74:a842253909c9 311 __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
bogdanm 74:a842253909c9 312 __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
bogdanm 74:a842253909c9 313 uint32_t RESERVED1;
bogdanm 74:a842253909c9 314 __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
bogdanm 74:a842253909c9 315 __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
bogdanm 74:a842253909c9 316 } SCB_Type;
bogdanm 74:a842253909c9 317
bogdanm 74:a842253909c9 318 /* SCB CPUID Register Definitions */
bogdanm 74:a842253909c9 319 #define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */
bogdanm 74:a842253909c9 320 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
bogdanm 74:a842253909c9 321
bogdanm 74:a842253909c9 322 #define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */
bogdanm 74:a842253909c9 323 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
bogdanm 74:a842253909c9 324
bogdanm 74:a842253909c9 325 #define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */
bogdanm 74:a842253909c9 326 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
bogdanm 74:a842253909c9 327
bogdanm 74:a842253909c9 328 #define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */
bogdanm 74:a842253909c9 329 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
bogdanm 74:a842253909c9 330
bogdanm 74:a842253909c9 331 #define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */
bogdanm 74:a842253909c9 332 #define SCB_CPUID_REVISION_Msk (0xFUL << SCB_CPUID_REVISION_Pos) /*!< SCB CPUID: REVISION Mask */
bogdanm 74:a842253909c9 333
bogdanm 74:a842253909c9 334 /* SCB Interrupt Control State Register Definitions */
bogdanm 74:a842253909c9 335 #define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */
bogdanm 74:a842253909c9 336 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
bogdanm 74:a842253909c9 337
bogdanm 74:a842253909c9 338 #define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */
bogdanm 74:a842253909c9 339 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
bogdanm 74:a842253909c9 340
bogdanm 74:a842253909c9 341 #define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */
bogdanm 74:a842253909c9 342 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
bogdanm 74:a842253909c9 343
bogdanm 74:a842253909c9 344 #define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */
bogdanm 74:a842253909c9 345 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
bogdanm 74:a842253909c9 346
bogdanm 74:a842253909c9 347 #define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */
bogdanm 74:a842253909c9 348 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
bogdanm 74:a842253909c9 349
bogdanm 74:a842253909c9 350 #define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */
bogdanm 74:a842253909c9 351 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
bogdanm 74:a842253909c9 352
bogdanm 74:a842253909c9 353 #define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */
bogdanm 74:a842253909c9 354 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
bogdanm 74:a842253909c9 355
bogdanm 74:a842253909c9 356 #define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */
bogdanm 74:a842253909c9 357 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
bogdanm 74:a842253909c9 358
bogdanm 74:a842253909c9 359 #define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */
bogdanm 74:a842253909c9 360 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL << SCB_ICSR_VECTACTIVE_Pos) /*!< SCB ICSR: VECTACTIVE Mask */
bogdanm 74:a842253909c9 361
bogdanm 74:a842253909c9 362 /* SCB Application Interrupt and Reset Control Register Definitions */
bogdanm 74:a842253909c9 363 #define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */
bogdanm 74:a842253909c9 364 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
bogdanm 74:a842253909c9 365
bogdanm 74:a842253909c9 366 #define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */
bogdanm 74:a842253909c9 367 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
bogdanm 74:a842253909c9 368
bogdanm 74:a842253909c9 369 #define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */
bogdanm 74:a842253909c9 370 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
bogdanm 74:a842253909c9 371
bogdanm 74:a842253909c9 372 #define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */
bogdanm 74:a842253909c9 373 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
bogdanm 74:a842253909c9 374
bogdanm 74:a842253909c9 375 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */
bogdanm 74:a842253909c9 376 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
bogdanm 74:a842253909c9 377
bogdanm 74:a842253909c9 378 /* SCB System Control Register Definitions */
bogdanm 74:a842253909c9 379 #define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */
bogdanm 74:a842253909c9 380 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
bogdanm 74:a842253909c9 381
bogdanm 74:a842253909c9 382 #define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */
bogdanm 74:a842253909c9 383 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
bogdanm 74:a842253909c9 384
bogdanm 74:a842253909c9 385 #define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */
bogdanm 74:a842253909c9 386 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
bogdanm 74:a842253909c9 387
bogdanm 74:a842253909c9 388 /* SCB Configuration Control Register Definitions */
bogdanm 74:a842253909c9 389 #define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */
bogdanm 74:a842253909c9 390 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
bogdanm 74:a842253909c9 391
bogdanm 74:a842253909c9 392 #define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */
bogdanm 74:a842253909c9 393 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
bogdanm 74:a842253909c9 394
bogdanm 74:a842253909c9 395 /* SCB System Handler Control and State Register Definitions */
bogdanm 74:a842253909c9 396 #define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
bogdanm 74:a842253909c9 397 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
bogdanm 74:a842253909c9 398
bogdanm 74:a842253909c9 399 /*@} end of group CMSIS_SCB */
bogdanm 74:a842253909c9 400
bogdanm 74:a842253909c9 401
bogdanm 74:a842253909c9 402 /** \ingroup CMSIS_core_register
bogdanm 74:a842253909c9 403 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
bogdanm 74:a842253909c9 404 \brief Type definitions for the System Timer Registers.
bogdanm 74:a842253909c9 405 @{
bogdanm 74:a842253909c9 406 */
bogdanm 74:a842253909c9 407
bogdanm 74:a842253909c9 408 /** \brief Structure type to access the System Timer (SysTick).
bogdanm 74:a842253909c9 409 */
bogdanm 74:a842253909c9 410 typedef struct
bogdanm 74:a842253909c9 411 {
bogdanm 74:a842253909c9 412 __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
bogdanm 74:a842253909c9 413 __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
bogdanm 74:a842253909c9 414 __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
bogdanm 74:a842253909c9 415 __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
bogdanm 74:a842253909c9 416 } SysTick_Type;
bogdanm 74:a842253909c9 417
bogdanm 74:a842253909c9 418 /* SysTick Control / Status Register Definitions */
bogdanm 74:a842253909c9 419 #define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */
bogdanm 74:a842253909c9 420 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
bogdanm 74:a842253909c9 421
bogdanm 74:a842253909c9 422 #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */
bogdanm 74:a842253909c9 423 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
bogdanm 74:a842253909c9 424
bogdanm 74:a842253909c9 425 #define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */
bogdanm 74:a842253909c9 426 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
bogdanm 74:a842253909c9 427
bogdanm 74:a842253909c9 428 #define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */
bogdanm 74:a842253909c9 429 #define SysTick_CTRL_ENABLE_Msk (1UL << SysTick_CTRL_ENABLE_Pos) /*!< SysTick CTRL: ENABLE Mask */
bogdanm 74:a842253909c9 430
bogdanm 74:a842253909c9 431 /* SysTick Reload Register Definitions */
bogdanm 74:a842253909c9 432 #define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */
bogdanm 74:a842253909c9 433 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL << SysTick_LOAD_RELOAD_Pos) /*!< SysTick LOAD: RELOAD Mask */
bogdanm 74:a842253909c9 434
bogdanm 74:a842253909c9 435 /* SysTick Current Register Definitions */
bogdanm 74:a842253909c9 436 #define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */
bogdanm 74:a842253909c9 437 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos) /*!< SysTick VAL: CURRENT Mask */
bogdanm 74:a842253909c9 438
bogdanm 74:a842253909c9 439 /* SysTick Calibration Register Definitions */
bogdanm 74:a842253909c9 440 #define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */
bogdanm 74:a842253909c9 441 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
bogdanm 74:a842253909c9 442
bogdanm 74:a842253909c9 443 #define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */
bogdanm 74:a842253909c9 444 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
bogdanm 74:a842253909c9 445
bogdanm 74:a842253909c9 446 #define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */
bogdanm 74:a842253909c9 447 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL << SysTick_VAL_CURRENT_Pos) /*!< SysTick CALIB: TENMS Mask */
bogdanm 74:a842253909c9 448
bogdanm 74:a842253909c9 449 /*@} end of group CMSIS_SysTick */
bogdanm 74:a842253909c9 450
bogdanm 74:a842253909c9 451
bogdanm 74:a842253909c9 452 /** \ingroup CMSIS_core_register
bogdanm 74:a842253909c9 453 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
bogdanm 74:a842253909c9 454 \brief Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR)
bogdanm 74:a842253909c9 455 are only accessible over DAP and not via processor. Therefore
bogdanm 74:a842253909c9 456 they are not covered by the Cortex-M0 header file.
bogdanm 74:a842253909c9 457 @{
bogdanm 74:a842253909c9 458 */
bogdanm 74:a842253909c9 459 /*@} end of group CMSIS_CoreDebug */
bogdanm 74:a842253909c9 460
bogdanm 74:a842253909c9 461
bogdanm 74:a842253909c9 462 /** \ingroup CMSIS_core_register
bogdanm 74:a842253909c9 463 \defgroup CMSIS_core_base Core Definitions
bogdanm 74:a842253909c9 464 \brief Definitions for base addresses, unions, and structures.
bogdanm 74:a842253909c9 465 @{
bogdanm 74:a842253909c9 466 */
bogdanm 74:a842253909c9 467
bogdanm 74:a842253909c9 468 /* Memory mapping of Cortex-M0 Hardware */
bogdanm 74:a842253909c9 469 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
bogdanm 74:a842253909c9 470 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
bogdanm 74:a842253909c9 471 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
bogdanm 74:a842253909c9 472 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
bogdanm 74:a842253909c9 473
bogdanm 74:a842253909c9 474 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
bogdanm 74:a842253909c9 475 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
bogdanm 74:a842253909c9 476 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
bogdanm 74:a842253909c9 477
bogdanm 74:a842253909c9 478
bogdanm 74:a842253909c9 479 /*@} */
bogdanm 74:a842253909c9 480
bogdanm 74:a842253909c9 481
bogdanm 74:a842253909c9 482
bogdanm 74:a842253909c9 483 /*******************************************************************************
bogdanm 74:a842253909c9 484 * Hardware Abstraction Layer
bogdanm 74:a842253909c9 485 Core Function Interface contains:
bogdanm 74:a842253909c9 486 - Core NVIC Functions
bogdanm 74:a842253909c9 487 - Core SysTick Functions
bogdanm 74:a842253909c9 488 - Core Register Access Functions
bogdanm 74:a842253909c9 489 ******************************************************************************/
bogdanm 74:a842253909c9 490 /** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
bogdanm 74:a842253909c9 491 */
bogdanm 74:a842253909c9 492
bogdanm 74:a842253909c9 493
bogdanm 74:a842253909c9 494
bogdanm 74:a842253909c9 495 /* ########################## NVIC functions #################################### */
bogdanm 74:a842253909c9 496 /** \ingroup CMSIS_Core_FunctionInterface
bogdanm 74:a842253909c9 497 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
bogdanm 74:a842253909c9 498 \brief Functions that manage interrupts and exceptions via the NVIC.
bogdanm 74:a842253909c9 499 @{
bogdanm 74:a842253909c9 500 */
bogdanm 74:a842253909c9 501
bogdanm 74:a842253909c9 502 /* Interrupt Priorities are WORD accessible only under ARMv6M */
bogdanm 74:a842253909c9 503 /* The following MACROS handle generation of the register offset and byte masks */
bogdanm 74:a842253909c9 504 #define _BIT_SHIFT(IRQn) ( (((uint32_t)(IRQn) ) & 0x03) * 8 )
bogdanm 74:a842253909c9 505 #define _SHP_IDX(IRQn) ( ((((uint32_t)(IRQn) & 0x0F)-8) >> 2) )
bogdanm 74:a842253909c9 506 #define _IP_IDX(IRQn) ( ((uint32_t)(IRQn) >> 2) )
bogdanm 74:a842253909c9 507
bogdanm 74:a842253909c9 508
bogdanm 74:a842253909c9 509 /** \brief Enable External Interrupt
bogdanm 74:a842253909c9 510
bogdanm 74:a842253909c9 511 The function enables a device-specific interrupt in the NVIC interrupt controller.
bogdanm 74:a842253909c9 512
bogdanm 74:a842253909c9 513 \param [in] IRQn External interrupt number. Value cannot be negative.
bogdanm 74:a842253909c9 514 */
bogdanm 74:a842253909c9 515 __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
bogdanm 74:a842253909c9 516 {
bogdanm 74:a842253909c9 517 NVIC->ISER[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
bogdanm 74:a842253909c9 518 }
bogdanm 74:a842253909c9 519
bogdanm 74:a842253909c9 520
bogdanm 74:a842253909c9 521 /** \brief Disable External Interrupt
bogdanm 74:a842253909c9 522
bogdanm 74:a842253909c9 523 The function disables a device-specific interrupt in the NVIC interrupt controller.
bogdanm 74:a842253909c9 524
bogdanm 74:a842253909c9 525 \param [in] IRQn External interrupt number. Value cannot be negative.
bogdanm 74:a842253909c9 526 */
bogdanm 74:a842253909c9 527 __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
bogdanm 74:a842253909c9 528 {
bogdanm 74:a842253909c9 529 NVIC->ICER[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
bogdanm 74:a842253909c9 530 }
bogdanm 74:a842253909c9 531
bogdanm 74:a842253909c9 532
bogdanm 74:a842253909c9 533 /** \brief Get Pending Interrupt
bogdanm 74:a842253909c9 534
bogdanm 74:a842253909c9 535 The function reads the pending register in the NVIC and returns the pending bit
bogdanm 74:a842253909c9 536 for the specified interrupt.
bogdanm 74:a842253909c9 537
bogdanm 74:a842253909c9 538 \param [in] IRQn Interrupt number.
bogdanm 74:a842253909c9 539
bogdanm 74:a842253909c9 540 \return 0 Interrupt status is not pending.
bogdanm 74:a842253909c9 541 \return 1 Interrupt status is pending.
bogdanm 74:a842253909c9 542 */
bogdanm 74:a842253909c9 543 __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
bogdanm 74:a842253909c9 544 {
bogdanm 74:a842253909c9 545 return((uint32_t) ((NVIC->ISPR[0] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
bogdanm 74:a842253909c9 546 }
bogdanm 74:a842253909c9 547
bogdanm 74:a842253909c9 548
bogdanm 74:a842253909c9 549 /** \brief Set Pending Interrupt
bogdanm 74:a842253909c9 550
bogdanm 74:a842253909c9 551 The function sets the pending bit of an external interrupt.
bogdanm 74:a842253909c9 552
bogdanm 74:a842253909c9 553 \param [in] IRQn Interrupt number. Value cannot be negative.
bogdanm 74:a842253909c9 554 */
bogdanm 74:a842253909c9 555 __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
bogdanm 74:a842253909c9 556 {
bogdanm 74:a842253909c9 557 NVIC->ISPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F));
bogdanm 74:a842253909c9 558 }
bogdanm 74:a842253909c9 559
bogdanm 74:a842253909c9 560
bogdanm 74:a842253909c9 561 /** \brief Clear Pending Interrupt
bogdanm 74:a842253909c9 562
bogdanm 74:a842253909c9 563 The function clears the pending bit of an external interrupt.
bogdanm 74:a842253909c9 564
bogdanm 74:a842253909c9 565 \param [in] IRQn External interrupt number. Value cannot be negative.
bogdanm 74:a842253909c9 566 */
bogdanm 74:a842253909c9 567 __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
bogdanm 74:a842253909c9 568 {
bogdanm 74:a842253909c9 569 NVIC->ICPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */
bogdanm 74:a842253909c9 570 }
bogdanm 74:a842253909c9 571
bogdanm 74:a842253909c9 572
bogdanm 74:a842253909c9 573 /** \brief Set Interrupt Priority
bogdanm 74:a842253909c9 574
bogdanm 74:a842253909c9 575 The function sets the priority of an interrupt.
bogdanm 74:a842253909c9 576
bogdanm 74:a842253909c9 577 \note The priority cannot be set for every core interrupt.
bogdanm 74:a842253909c9 578
bogdanm 74:a842253909c9 579 \param [in] IRQn Interrupt number.
bogdanm 74:a842253909c9 580 \param [in] priority Priority to set.
bogdanm 74:a842253909c9 581 */
bogdanm 74:a842253909c9 582 __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
bogdanm 74:a842253909c9 583 {
bogdanm 74:a842253909c9 584 if(IRQn < 0) {
bogdanm 74:a842253909c9 585 SCB->SHP[_SHP_IDX(IRQn)] = (SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
bogdanm 74:a842253909c9 586 (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
bogdanm 74:a842253909c9 587 else {
bogdanm 74:a842253909c9 588 NVIC->IP[_IP_IDX(IRQn)] = (NVIC->IP[_IP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
bogdanm 74:a842253909c9 589 (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
bogdanm 74:a842253909c9 590 }
bogdanm 74:a842253909c9 591
bogdanm 74:a842253909c9 592
bogdanm 74:a842253909c9 593 /** \brief Get Interrupt Priority
bogdanm 74:a842253909c9 594
bogdanm 74:a842253909c9 595 The function reads the priority of an interrupt. The interrupt
bogdanm 74:a842253909c9 596 number can be positive to specify an external (device specific)
bogdanm 74:a842253909c9 597 interrupt, or negative to specify an internal (core) interrupt.
bogdanm 74:a842253909c9 598
bogdanm 74:a842253909c9 599
bogdanm 74:a842253909c9 600 \param [in] IRQn Interrupt number.
bogdanm 74:a842253909c9 601 \return Interrupt Priority. Value is aligned automatically to the implemented
bogdanm 74:a842253909c9 602 priority bits of the microcontroller.
bogdanm 74:a842253909c9 603 */
bogdanm 74:a842253909c9 604 __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
bogdanm 74:a842253909c9 605 {
bogdanm 74:a842253909c9 606
bogdanm 74:a842253909c9 607 if(IRQn < 0) {
bogdanm 74:a842253909c9 608 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & 0xFF) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for Cortex-M0 system interrupts */
bogdanm 74:a842253909c9 609 else {
bogdanm 74:a842253909c9 610 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & 0xFF) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for device specific interrupts */
bogdanm 74:a842253909c9 611 }
bogdanm 74:a842253909c9 612
bogdanm 74:a842253909c9 613
bogdanm 74:a842253909c9 614 /** \brief System Reset
bogdanm 74:a842253909c9 615
bogdanm 74:a842253909c9 616 The function initiates a system reset request to reset the MCU.
bogdanm 74:a842253909c9 617 */
bogdanm 74:a842253909c9 618 __STATIC_INLINE void NVIC_SystemReset(void)
bogdanm 74:a842253909c9 619 {
bogdanm 74:a842253909c9 620 __DSB(); /* Ensure all outstanding memory accesses included
bogdanm 74:a842253909c9 621 buffered write are completed before reset */
bogdanm 74:a842253909c9 622 SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) |
bogdanm 74:a842253909c9 623 SCB_AIRCR_SYSRESETREQ_Msk);
bogdanm 74:a842253909c9 624 __DSB(); /* Ensure completion of memory access */
bogdanm 74:a842253909c9 625 while(1); /* wait until reset */
bogdanm 74:a842253909c9 626 }
bogdanm 74:a842253909c9 627
bogdanm 74:a842253909c9 628 /*@} end of CMSIS_Core_NVICFunctions */
bogdanm 74:a842253909c9 629
bogdanm 74:a842253909c9 630
bogdanm 74:a842253909c9 631
bogdanm 74:a842253909c9 632 /* ################################## SysTick function ############################################ */
bogdanm 74:a842253909c9 633 /** \ingroup CMSIS_Core_FunctionInterface
bogdanm 74:a842253909c9 634 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
bogdanm 74:a842253909c9 635 \brief Functions that configure the System.
bogdanm 74:a842253909c9 636 @{
bogdanm 74:a842253909c9 637 */
bogdanm 74:a842253909c9 638
bogdanm 74:a842253909c9 639 #if (__Vendor_SysTickConfig == 0)
bogdanm 74:a842253909c9 640
bogdanm 74:a842253909c9 641 /** \brief System Tick Configuration
bogdanm 74:a842253909c9 642
bogdanm 74:a842253909c9 643 The function initializes the System Timer and its interrupt, and starts the System Tick Timer.
bogdanm 74:a842253909c9 644 Counter is in free running mode to generate periodic interrupts.
bogdanm 74:a842253909c9 645
bogdanm 74:a842253909c9 646 \param [in] ticks Number of ticks between two interrupts.
bogdanm 74:a842253909c9 647
bogdanm 74:a842253909c9 648 \return 0 Function succeeded.
bogdanm 74:a842253909c9 649 \return 1 Function failed.
bogdanm 74:a842253909c9 650
bogdanm 74:a842253909c9 651 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
bogdanm 74:a842253909c9 652 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
bogdanm 74:a842253909c9 653 must contain a vendor-specific implementation of this function.
bogdanm 74:a842253909c9 654
bogdanm 74:a842253909c9 655 */
bogdanm 74:a842253909c9 656 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
bogdanm 74:a842253909c9 657 {
bogdanm 74:a842253909c9 658 if ((ticks - 1) > SysTick_LOAD_RELOAD_Msk) return (1); /* Reload value impossible */
bogdanm 74:a842253909c9 659
bogdanm 74:a842253909c9 660 SysTick->LOAD = ticks - 1; /* set reload register */
bogdanm 74:a842253909c9 661 NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1); /* set Priority for Systick Interrupt */
bogdanm 74:a842253909c9 662 SysTick->VAL = 0; /* Load the SysTick Counter Value */
bogdanm 74:a842253909c9 663 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
bogdanm 74:a842253909c9 664 SysTick_CTRL_TICKINT_Msk |
bogdanm 74:a842253909c9 665 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
bogdanm 74:a842253909c9 666 return (0); /* Function successful */
bogdanm 74:a842253909c9 667 }
bogdanm 74:a842253909c9 668
bogdanm 74:a842253909c9 669 #endif
bogdanm 74:a842253909c9 670
bogdanm 74:a842253909c9 671 /*@} end of CMSIS_Core_SysTickFunctions */
bogdanm 74:a842253909c9 672
bogdanm 74:a842253909c9 673
bogdanm 74:a842253909c9 674
bogdanm 74:a842253909c9 675
bogdanm 74:a842253909c9 676 #endif /* __CORE_CM0_H_DEPENDANT */
bogdanm 74:a842253909c9 677
bogdanm 74:a842253909c9 678 #endif /* __CMSIS_GENERIC */
bogdanm 74:a842253909c9 679
bogdanm 74:a842253909c9 680 #ifdef __cplusplus
bogdanm 74:a842253909c9 681 }
bogdanm 74:a842253909c9 682 #endif