annotate Common/Drivers/CMSIS/Include/core_cm0.h @ 920:c4c9850a2039 Evo_2_23

Added view for position data: A custom view for visualization of GPS data has been added. It may be activated using the compile switch ENABLE_GNSS_SUPPORT
author Ideenmodellierer
date Sun, 03 Nov 2024 15:44:54 +0100
parents c78bcbd5deda
children
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1 /**************************************************************************//**
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2 * @file core_cm0.h
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3 * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File
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4 * @version V4.30
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5 * @date 20. October 2015
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6 ******************************************************************************/
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7 /* Copyright (c) 2009 - 2015 ARM LIMITED
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8
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9 All rights reserved.
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10 Redistribution and use in source and binary forms, with or without
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11 modification, are permitted provided that the following conditions are met:
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12 - Redistributions of source code must retain the above copyright
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13 notice, this list of conditions and the following disclaimer.
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14 - Redistributions in binary form must reproduce the above copyright
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15 notice, this list of conditions and the following disclaimer in the
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16 documentation and/or other materials provided with the distribution.
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17 - Neither the name of ARM nor the names of its contributors may be used
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18 to endorse or promote products derived from this software without
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19 specific prior written permission.
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20 *
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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24 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
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25 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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26 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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27 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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28 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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29 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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30 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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31 POSSIBILITY OF SUCH DAMAGE.
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32 ---------------------------------------------------------------------------*/
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33
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34
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35 #if defined ( __ICCARM__ )
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36 #pragma system_include /* treat file as system include file for MISRA check */
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37 #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
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38 #pragma clang system_header /* treat file as system include file */
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39 #endif
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40
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41 #ifndef __CORE_CM0_H_GENERIC
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42 #define __CORE_CM0_H_GENERIC
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43
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44 #include <stdint.h>
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45
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46 #ifdef __cplusplus
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47 extern "C" {
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48 #endif
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49
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50 /**
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51 \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions
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52 CMSIS violates the following MISRA-C:2004 rules:
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53
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54 \li Required Rule 8.5, object/function definition in header file.<br>
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55 Function definitions in header files are used to allow 'inlining'.
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56
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57 \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br>
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58 Unions are used for effective representation of core registers.
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59
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60 \li Advisory Rule 19.7, Function-like macro defined.<br>
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61 Function-like macros are used to allow more efficient code.
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62 */
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63
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64
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65 /*******************************************************************************
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66 * CMSIS definitions
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67 ******************************************************************************/
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68 /**
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69 \ingroup Cortex_M0
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70 @{
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71 */
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72
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73 /* CMSIS CM0 definitions */
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74 #define __CM0_CMSIS_VERSION_MAIN (0x04U) /*!< [31:16] CMSIS HAL main version */
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75 #define __CM0_CMSIS_VERSION_SUB (0x1EU) /*!< [15:0] CMSIS HAL sub version */
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76 #define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16U) | \
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77 __CM0_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */
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78
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79 #define __CORTEX_M (0x00U) /*!< Cortex-M Core */
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80
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81
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82 #if defined ( __CC_ARM )
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83 #define __ASM __asm /*!< asm keyword for ARM Compiler */
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84 #define __INLINE __inline /*!< inline keyword for ARM Compiler */
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85 #define __STATIC_INLINE static __inline
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86
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87 #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
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88 #define __ASM __asm /*!< asm keyword for ARM Compiler */
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89 #define __INLINE __inline /*!< inline keyword for ARM Compiler */
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90 #define __STATIC_INLINE static __inline
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91
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92 #elif defined ( __GNUC__ )
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93 #define __ASM __asm /*!< asm keyword for GNU Compiler */
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94 #define __INLINE inline /*!< inline keyword for GNU Compiler */
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95 #define __STATIC_INLINE static inline
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96
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97 #elif defined ( __ICCARM__ )
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98 #define __ASM __asm /*!< asm keyword for IAR Compiler */
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99 #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */
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100 #define __STATIC_INLINE static inline
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101
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102 #elif defined ( __TMS470__ )
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103 #define __ASM __asm /*!< asm keyword for TI CCS Compiler */
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104 #define __STATIC_INLINE static inline
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105
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106 #elif defined ( __TASKING__ )
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107 #define __ASM __asm /*!< asm keyword for TASKING Compiler */
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108 #define __INLINE inline /*!< inline keyword for TASKING Compiler */
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109 #define __STATIC_INLINE static inline
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110
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111 #elif defined ( __CSMC__ )
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112 #define __packed
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113 #define __ASM _asm /*!< asm keyword for COSMIC Compiler */
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114 #define __INLINE inline /*!< inline keyword for COSMIC Compiler. Use -pc99 on compile line */
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115 #define __STATIC_INLINE static inline
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116
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117 #else
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118 #error Unknown compiler
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119 #endif
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120
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121 /** __FPU_USED indicates whether an FPU is used or not.
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122 This core does not support an FPU at all
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123 */
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124 #define __FPU_USED 0U
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125
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126 #if defined ( __CC_ARM )
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127 #if defined __TARGET_FPU_VFP
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128 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
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129 #endif
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130
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131 #elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
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132 #if defined __ARM_PCS_VFP
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133 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
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134 #endif
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135
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136 #elif defined ( __GNUC__ )
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137 #if defined (__VFP_FP__) && !defined(__SOFTFP__)
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138 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
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139 #endif
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140
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141 #elif defined ( __ICCARM__ )
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142 #if defined __ARMVFP__
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143 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
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144 #endif
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145
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146 #elif defined ( __TMS470__ )
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147 #if defined __TI_VFP_SUPPORT__
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148 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
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149 #endif
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150
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151 #elif defined ( __TASKING__ )
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152 #if defined __FPU_VFP__
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153 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
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154 #endif
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155
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156 #elif defined ( __CSMC__ )
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157 #if ( __CSMC__ & 0x400U)
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158 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
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159 #endif
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160
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161 #endif
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162
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163 #include "core_cmInstr.h" /* Core Instruction Access */
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164 #include "core_cmFunc.h" /* Core Function Access */
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165
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166 #ifdef __cplusplus
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167 }
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168 #endif
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169
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170 #endif /* __CORE_CM0_H_GENERIC */
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171
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172 #ifndef __CMSIS_GENERIC
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173
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174 #ifndef __CORE_CM0_H_DEPENDANT
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175 #define __CORE_CM0_H_DEPENDANT
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176
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177 #ifdef __cplusplus
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178 extern "C" {
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179 #endif
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180
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181 /* check device defines and use defaults */
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182 #if defined __CHECK_DEVICE_DEFINES
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183 #ifndef __CM0_REV
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184 #define __CM0_REV 0x0000U
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185 #warning "__CM0_REV not defined in device header file; using default!"
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186 #endif
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187
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188 #ifndef __NVIC_PRIO_BITS
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189 #define __NVIC_PRIO_BITS 2U
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190 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
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191 #endif
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192
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193 #ifndef __Vendor_SysTickConfig
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194 #define __Vendor_SysTickConfig 0U
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195 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
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196 #endif
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197 #endif
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198
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199 /* IO definitions (access restrictions to peripheral registers) */
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200 /**
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201 \defgroup CMSIS_glob_defs CMSIS Global Defines
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202
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203 <strong>IO Type Qualifiers</strong> are used
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204 \li to specify the access to peripheral variables.
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205 \li for automatic generation of peripheral register debug information.
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206 */
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207 #ifdef __cplusplus
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208 #define __I volatile /*!< Defines 'read only' permissions */
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209 #else
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210 #define __I volatile const /*!< Defines 'read only' permissions */
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211 #endif
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212 #define __O volatile /*!< Defines 'write only' permissions */
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213 #define __IO volatile /*!< Defines 'read / write' permissions */
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214
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215 /* following defines should be used for structure members */
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216 #define __IM volatile const /*! Defines 'read only' structure member permissions */
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217 #define __OM volatile /*! Defines 'write only' structure member permissions */
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218 #define __IOM volatile /*! Defines 'read / write' structure member permissions */
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219
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220 /*@} end of group Cortex_M0 */
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221
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222
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223
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224 /*******************************************************************************
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225 * Register Abstraction
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226 Core Register contain:
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227 - Core Register
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228 - Core NVIC Register
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229 - Core SCB Register
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230 - Core SysTick Register
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231 ******************************************************************************/
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232 /**
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233 \defgroup CMSIS_core_register Defines and Type Definitions
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234 \brief Type definitions and defines for Cortex-M processor based devices.
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235 */
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236
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237 /**
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238 \ingroup CMSIS_core_register
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239 \defgroup CMSIS_CORE Status and Control Registers
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240 \brief Core Register type definitions.
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241 @{
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242 */
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243
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244 /**
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245 \brief Union type to access the Application Program Status Register (APSR).
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246 */
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247 typedef union
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248 {
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249 struct
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250 {
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251 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
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252 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
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253 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
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254 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
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255 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
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256 } b; /*!< Structure used for bit access */
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257 uint32_t w; /*!< Type used for word access */
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258 } APSR_Type;
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259
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260 /* APSR Register Definitions */
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261 #define APSR_N_Pos 31U /*!< APSR: N Position */
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262 #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
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263
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264 #define APSR_Z_Pos 30U /*!< APSR: Z Position */
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265 #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
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266
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267 #define APSR_C_Pos 29U /*!< APSR: C Position */
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268 #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
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269
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270 #define APSR_V_Pos 28U /*!< APSR: V Position */
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271 #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
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272
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273
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274 /**
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275 \brief Union type to access the Interrupt Program Status Register (IPSR).
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276 */
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277 typedef union
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278 {
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279 struct
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280 {
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281 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
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282 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
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283 } b; /*!< Structure used for bit access */
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284 uint32_t w; /*!< Type used for word access */
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285 } IPSR_Type;
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286
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287 /* IPSR Register Definitions */
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288 #define IPSR_ISR_Pos 0U /*!< IPSR: ISR Position */
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289 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
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290
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291
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292 /**
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293 \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
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294 */
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295 typedef union
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296 {
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297 struct
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298 {
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299 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
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300 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
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301 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
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302 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
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303 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
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304 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
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305 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
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306 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
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307 } b; /*!< Structure used for bit access */
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308 uint32_t w; /*!< Type used for word access */
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309 } xPSR_Type;
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310
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311 /* xPSR Register Definitions */
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312 #define xPSR_N_Pos 31U /*!< xPSR: N Position */
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313 #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
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314
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315 #define xPSR_Z_Pos 30U /*!< xPSR: Z Position */
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316 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
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317
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318 #define xPSR_C_Pos 29U /*!< xPSR: C Position */
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319 #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
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320
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321 #define xPSR_V_Pos 28U /*!< xPSR: V Position */
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322 #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
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323
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324 #define xPSR_T_Pos 24U /*!< xPSR: T Position */
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325 #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
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326
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327 #define xPSR_ISR_Pos 0U /*!< xPSR: ISR Position */
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328 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
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329
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330
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331 /**
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332 \brief Union type to access the Control Registers (CONTROL).
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333 */
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334 typedef union
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335 {
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336 struct
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337 {
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338 uint32_t _reserved0:1; /*!< bit: 0 Reserved */
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339 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
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340 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
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341 } b; /*!< Structure used for bit access */
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342 uint32_t w; /*!< Type used for word access */
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343 } CONTROL_Type;
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344
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345 /* CONTROL Register Definitions */
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346 #define CONTROL_SPSEL_Pos 1U /*!< CONTROL: SPSEL Position */
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347 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
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348
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349 /*@} end of group CMSIS_CORE */
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350
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351
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352 /**
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353 \ingroup CMSIS_core_register
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354 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
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355 \brief Type definitions for the NVIC Registers
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356 @{
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357 */
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358
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359 /**
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360 \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
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361 */
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362 typedef struct
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363 {
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364 __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
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365 uint32_t RESERVED0[31U];
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366 __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
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367 uint32_t RSERVED1[31U];
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368 __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
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369 uint32_t RESERVED2[31U];
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370 __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
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371 uint32_t RESERVED3[31U];
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372 uint32_t RESERVED4[64U];
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373 __IOM uint32_t IP[8U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
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374 } NVIC_Type;
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375
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376 /*@} end of group CMSIS_NVIC */
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377
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378
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379 /**
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380 \ingroup CMSIS_core_register
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381 \defgroup CMSIS_SCB System Control Block (SCB)
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382 \brief Type definitions for the System Control Block Registers
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383 @{
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384 */
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385
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386 /**
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387 \brief Structure type to access the System Control Block (SCB).
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388 */
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389 typedef struct
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390 {
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391 __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
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392 __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
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393 uint32_t RESERVED0;
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394 __IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
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395 __IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
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396 __IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
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397 uint32_t RESERVED1;
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398 __IOM uint32_t SHP[2U]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
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399 __IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
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400 } SCB_Type;
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401
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402 /* SCB CPUID Register Definitions */
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403 #define SCB_CPUID_IMPLEMENTER_Pos 24U /*!< SCB CPUID: IMPLEMENTER Position */
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404 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
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405
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406 #define SCB_CPUID_VARIANT_Pos 20U /*!< SCB CPUID: VARIANT Position */
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407 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
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408
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409 #define SCB_CPUID_ARCHITECTURE_Pos 16U /*!< SCB CPUID: ARCHITECTURE Position */
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410 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
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411
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412 #define SCB_CPUID_PARTNO_Pos 4U /*!< SCB CPUID: PARTNO Position */
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413 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
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414
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415 #define SCB_CPUID_REVISION_Pos 0U /*!< SCB CPUID: REVISION Position */
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416 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */
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417
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418 /* SCB Interrupt Control State Register Definitions */
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419 #define SCB_ICSR_NMIPENDSET_Pos 31U /*!< SCB ICSR: NMIPENDSET Position */
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420 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
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421
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422 #define SCB_ICSR_PENDSVSET_Pos 28U /*!< SCB ICSR: PENDSVSET Position */
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423 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
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424
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425 #define SCB_ICSR_PENDSVCLR_Pos 27U /*!< SCB ICSR: PENDSVCLR Position */
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426 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
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427
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428 #define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */
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429 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
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430
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431 #define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */
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432 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
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433
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434 #define SCB_ICSR_ISRPREEMPT_Pos 23U /*!< SCB ICSR: ISRPREEMPT Position */
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435 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
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436
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437 #define SCB_ICSR_ISRPENDING_Pos 22U /*!< SCB ICSR: ISRPENDING Position */
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438 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
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439
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440 #define SCB_ICSR_VECTPENDING_Pos 12U /*!< SCB ICSR: VECTPENDING Position */
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441 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
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442
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443 #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */
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444 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */
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445
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446 /* SCB Application Interrupt and Reset Control Register Definitions */
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447 #define SCB_AIRCR_VECTKEY_Pos 16U /*!< SCB AIRCR: VECTKEY Position */
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448 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
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449
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450 #define SCB_AIRCR_VECTKEYSTAT_Pos 16U /*!< SCB AIRCR: VECTKEYSTAT Position */
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451 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
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452
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453 #define SCB_AIRCR_ENDIANESS_Pos 15U /*!< SCB AIRCR: ENDIANESS Position */
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454 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
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455
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456 #define SCB_AIRCR_SYSRESETREQ_Pos 2U /*!< SCB AIRCR: SYSRESETREQ Position */
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457 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
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458
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459 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U /*!< SCB AIRCR: VECTCLRACTIVE Position */
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460 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
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461
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462 /* SCB System Control Register Definitions */
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463 #define SCB_SCR_SEVONPEND_Pos 4U /*!< SCB SCR: SEVONPEND Position */
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464 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
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465
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466 #define SCB_SCR_SLEEPDEEP_Pos 2U /*!< SCB SCR: SLEEPDEEP Position */
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467 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
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468
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469 #define SCB_SCR_SLEEPONEXIT_Pos 1U /*!< SCB SCR: SLEEPONEXIT Position */
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470 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
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471
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472 /* SCB Configuration Control Register Definitions */
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473 #define SCB_CCR_STKALIGN_Pos 9U /*!< SCB CCR: STKALIGN Position */
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474 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
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475
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476 #define SCB_CCR_UNALIGN_TRP_Pos 3U /*!< SCB CCR: UNALIGN_TRP Position */
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477 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
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478
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479 /* SCB System Handler Control and State Register Definitions */
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480 #define SCB_SHCSR_SVCALLPENDED_Pos 15U /*!< SCB SHCSR: SVCALLPENDED Position */
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481 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
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482
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483 /*@} end of group CMSIS_SCB */
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484
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485
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486 /**
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487 \ingroup CMSIS_core_register
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488 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
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489 \brief Type definitions for the System Timer Registers.
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490 @{
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491 */
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492
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493 /**
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494 \brief Structure type to access the System Timer (SysTick).
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495 */
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496 typedef struct
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497 {
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498 __IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
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499 __IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
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500 __IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
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501 __IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
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502 } SysTick_Type;
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503
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504 /* SysTick Control / Status Register Definitions */
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505 #define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */
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506 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
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507
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508 #define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */
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509 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
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510
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511 #define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */
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512 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
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513
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514 #define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */
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515 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */
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516
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517 /* SysTick Reload Register Definitions */
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518 #define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */
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519 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */
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520
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521 /* SysTick Current Register Definitions */
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522 #define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */
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523 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */
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524
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525 /* SysTick Calibration Register Definitions */
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526 #define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */
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527 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
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528
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529 #define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */
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530 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
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531
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532 #define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */
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533 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
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534
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535 /*@} end of group CMSIS_SysTick */
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536
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537
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538 /**
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539 \ingroup CMSIS_core_register
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540 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
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541 \brief Cortex-M0 Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor.
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542 Therefore they are not covered by the Cortex-M0 header file.
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543 @{
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544 */
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545 /*@} end of group CMSIS_CoreDebug */
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546
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547
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548 /**
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549 \ingroup CMSIS_core_register
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550 \defgroup CMSIS_core_bitfield Core register bit field macros
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551 \brief Macros for use with bit field definitions (xxx_Pos, xxx_Msk).
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552 @{
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553 */
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554
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555 /**
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556 \brief Mask and shift a bit field value for use in a register bit range.
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557 \param[in] field Name of the register bit field.
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558 \param[in] value Value of the bit field.
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559 \return Masked and shifted value.
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560 */
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561 #define _VAL2FLD(field, value) ((value << field ## _Pos) & field ## _Msk)
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562
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563 /**
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564 \brief Mask and shift a register value to extract a bit filed value.
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565 \param[in] field Name of the register bit field.
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566 \param[in] value Value of register.
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567 \return Masked and shifted bit field value.
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568 */
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569 #define _FLD2VAL(field, value) ((value & field ## _Msk) >> field ## _Pos)
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570
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571 /*@} end of group CMSIS_core_bitfield */
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572
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573
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574 /**
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575 \ingroup CMSIS_core_register
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576 \defgroup CMSIS_core_base Core Definitions
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577 \brief Definitions for base addresses, unions, and structures.
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578 @{
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579 */
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580
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581 /* Memory mapping of Cortex-M0 Hardware */
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582 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
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583 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
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584 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
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585 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
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586
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587 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
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588 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
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589 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
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590
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591
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592 /*@} */
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593
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594
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595
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596 /*******************************************************************************
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597 * Hardware Abstraction Layer
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598 Core Function Interface contains:
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599 - Core NVIC Functions
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600 - Core SysTick Functions
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601 - Core Register Access Functions
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602 ******************************************************************************/
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603 /**
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604 \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
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605 */
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606
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607
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608
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609 /* ########################## NVIC functions #################################### */
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610 /**
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611 \ingroup CMSIS_Core_FunctionInterface
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612 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
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613 \brief Functions that manage interrupts and exceptions via the NVIC.
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614 @{
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615 */
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616
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617 /* Interrupt Priorities are WORD accessible only under ARMv6M */
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618 /* The following MACROS handle generation of the register offset and byte masks */
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619 #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
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620 #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
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621 #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
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622
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623
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624 /**
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625 \brief Enable External Interrupt
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626 \details Enables a device-specific interrupt in the NVIC interrupt controller.
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627 \param [in] IRQn External interrupt number. Value cannot be negative.
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628 */
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629 __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
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630 {
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631 NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
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632 }
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633
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634
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635 /**
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636 \brief Disable External Interrupt
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637 \details Disables a device-specific interrupt in the NVIC interrupt controller.
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638 \param [in] IRQn External interrupt number. Value cannot be negative.
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639 */
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640 __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
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641 {
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642 NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
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643 }
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644
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645
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646 /**
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647 \brief Get Pending Interrupt
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648 \details Reads the pending register in the NVIC and returns the pending bit for the specified interrupt.
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649 \param [in] IRQn Interrupt number.
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650 \return 0 Interrupt status is not pending.
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651 \return 1 Interrupt status is pending.
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652 */
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653 __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
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654 {
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655 return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
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656 }
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657
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658
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659 /**
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660 \brief Set Pending Interrupt
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661 \details Sets the pending bit of an external interrupt.
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662 \param [in] IRQn Interrupt number. Value cannot be negative.
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663 */
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664 __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
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665 {
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666 NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
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667 }
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668
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669
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670 /**
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671 \brief Clear Pending Interrupt
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672 \details Clears the pending bit of an external interrupt.
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673 \param [in] IRQn External interrupt number. Value cannot be negative.
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674 */
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675 __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
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676 {
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677 NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
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678 }
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679
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680
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681 /**
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682 \brief Set Interrupt Priority
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683 \details Sets the priority of an interrupt.
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684 \note The priority cannot be set for every core interrupt.
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685 \param [in] IRQn Interrupt number.
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686 \param [in] priority Priority to set.
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687 */
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688 __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
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689 {
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690 if ((int32_t)(IRQn) < 0)
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691 {
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692 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
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693 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
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694 }
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695 else
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696 {
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697 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
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698 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
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699 }
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700 }
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701
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702
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703 /**
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704 \brief Get Interrupt Priority
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705 \details Reads the priority of an interrupt.
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706 The interrupt number can be positive to specify an external (device specific) interrupt,
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707 or negative to specify an internal (core) interrupt.
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708 \param [in] IRQn Interrupt number.
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709 \return Interrupt Priority.
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710 Value is aligned automatically to the implemented priority bits of the microcontroller.
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711 */
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712 __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
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713 {
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714
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715 if ((int32_t)(IRQn) < 0)
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716 {
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717 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
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718 }
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719 else
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720 {
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721 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
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722 }
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723 }
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724
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725
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726 /**
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727 \brief System Reset
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728 \details Initiates a system reset request to reset the MCU.
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729 */
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730 __STATIC_INLINE void NVIC_SystemReset(void)
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731 {
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732 __DSB(); /* Ensure all outstanding memory accesses included
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733 buffered write are completed before reset */
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734 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
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735 SCB_AIRCR_SYSRESETREQ_Msk);
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736 __DSB(); /* Ensure completion of memory access */
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737
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738 for(;;) /* wait until reset */
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739 {
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740 __NOP();
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741 }
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742 }
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743
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744 /*@} end of CMSIS_Core_NVICFunctions */
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745
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746
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747
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748 /* ################################## SysTick function ############################################ */
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749 /**
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750 \ingroup CMSIS_Core_FunctionInterface
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751 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
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752 \brief Functions that configure the System.
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753 @{
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754 */
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755
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756 #if (__Vendor_SysTickConfig == 0U)
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757
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758 /**
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759 \brief System Tick Configuration
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760 \details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
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761 Counter is in free running mode to generate periodic interrupts.
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762 \param [in] ticks Number of ticks between two interrupts.
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763 \return 0 Function succeeded.
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764 \return 1 Function failed.
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765 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
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766 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
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767 must contain a vendor-specific implementation of this function.
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768 */
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769 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
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770 {
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771 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
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772 {
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773 return (1UL); /* Reload value impossible */
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774 }
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775
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776 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
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777 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
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778 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
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779 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
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780 SysTick_CTRL_TICKINT_Msk |
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781 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
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782 return (0UL); /* Function successful */
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783 }
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784
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785 #endif
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786
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787 /*@} end of CMSIS_Core_SysTickFunctions */
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788
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789
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790
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791
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792 #ifdef __cplusplus
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793 }
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794 #endif
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795
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796 #endif /* __CORE_CM0_H_DEPENDANT */
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797
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798 #endif /* __CMSIS_GENERIC */