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1 /**************************************************************************//**
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2 * @file core_sc000.h
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3 * @brief CMSIS SC000 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_SC000_H_GENERIC
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42 #define __CORE_SC000_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 SC000
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70 @{
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71 */
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72
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73 /* CMSIS SC000 definitions */
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74 #define __SC000_CMSIS_VERSION_MAIN (0x04U) /*!< [31:16] CMSIS HAL main version */
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75 #define __SC000_CMSIS_VERSION_SUB (0x1EU) /*!< [15:0] CMSIS HAL sub version */
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76 #define __SC000_CMSIS_VERSION ((__SC000_CMSIS_VERSION_MAIN << 16U) | \
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77 __SC000_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */
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78
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79 #define __CORTEX_SC (000U) /*!< Cortex secure 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_SC000_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_SC000_H_DEPENDANT
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175 #define __CORE_SC000_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 __SC000_REV
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184 #define __SC000_REV 0x0000U
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185 #warning "__SC000_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 __MPU_PRESENT
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189 #define __MPU_PRESENT 0U
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190 #warning "__MPU_PRESENT 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 __NVIC_PRIO_BITS
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194 #define __NVIC_PRIO_BITS 2U
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195 #warning "__NVIC_PRIO_BITS not defined in device header file; using default!"
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196 #endif
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197
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198 #ifndef __Vendor_SysTickConfig
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199 #define __Vendor_SysTickConfig 0U
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200 #warning "__Vendor_SysTickConfig not defined in device header file; using default!"
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201 #endif
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202 #endif
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203
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204 /* IO definitions (access restrictions to peripheral registers) */
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205 /**
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206 \defgroup CMSIS_glob_defs CMSIS Global Defines
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207
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208 <strong>IO Type Qualifiers</strong> are used
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209 \li to specify the access to peripheral variables.
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210 \li for automatic generation of peripheral register debug information.
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211 */
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212 #ifdef __cplusplus
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213 #define __I volatile /*!< Defines 'read only' permissions */
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214 #else
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215 #define __I volatile const /*!< Defines 'read only' permissions */
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216 #endif
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217 #define __O volatile /*!< Defines 'write only' permissions */
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218 #define __IO volatile /*!< Defines 'read / write' permissions */
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219
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220 /* following defines should be used for structure members */
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221 #define __IM volatile const /*! Defines 'read only' structure member permissions */
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222 #define __OM volatile /*! Defines 'write only' structure member permissions */
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223 #define __IOM volatile /*! Defines 'read / write' structure member permissions */
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224
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225 /*@} end of group SC000 */
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226
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227
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228
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229 /*******************************************************************************
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230 * Register Abstraction
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231 Core Register contain:
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232 - Core Register
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233 - Core NVIC Register
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234 - Core SCB Register
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235 - Core SysTick Register
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236 - Core MPU Register
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237 ******************************************************************************/
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238 /**
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239 \defgroup CMSIS_core_register Defines and Type Definitions
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240 \brief Type definitions and defines for Cortex-M processor based devices.
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241 */
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242
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243 /**
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244 \ingroup CMSIS_core_register
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245 \defgroup CMSIS_CORE Status and Control Registers
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246 \brief Core Register type definitions.
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247 @{
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248 */
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249
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250 /**
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251 \brief Union type to access the Application Program Status Register (APSR).
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252 */
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253 typedef union
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254 {
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255 struct
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256 {
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257 uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */
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258 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
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259 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
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260 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
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261 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
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262 } b; /*!< Structure used for bit access */
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263 uint32_t w; /*!< Type used for word access */
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264 } APSR_Type;
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265
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266 /* APSR Register Definitions */
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267 #define APSR_N_Pos 31U /*!< APSR: N Position */
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268 #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */
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269
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270 #define APSR_Z_Pos 30U /*!< APSR: Z Position */
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271 #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */
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272
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273 #define APSR_C_Pos 29U /*!< APSR: C Position */
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274 #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */
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275
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276 #define APSR_V_Pos 28U /*!< APSR: V Position */
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277 #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */
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278
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279
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280 /**
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281 \brief Union type to access the Interrupt Program Status Register (IPSR).
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282 */
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283 typedef union
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284 {
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285 struct
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286 {
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287 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
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288 uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */
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289 } b; /*!< Structure used for bit access */
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290 uint32_t w; /*!< Type used for word access */
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291 } IPSR_Type;
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292
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293 /* IPSR Register Definitions */
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294 #define IPSR_ISR_Pos 0U /*!< IPSR: ISR Position */
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295 #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */
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296
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297
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298 /**
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299 \brief Union type to access the Special-Purpose Program Status Registers (xPSR).
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300 */
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301 typedef union
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302 {
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303 struct
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304 {
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305 uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */
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306 uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */
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307 uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */
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308 uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */
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309 uint32_t V:1; /*!< bit: 28 Overflow condition code flag */
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310 uint32_t C:1; /*!< bit: 29 Carry condition code flag */
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311 uint32_t Z:1; /*!< bit: 30 Zero condition code flag */
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312 uint32_t N:1; /*!< bit: 31 Negative condition code flag */
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313 } b; /*!< Structure used for bit access */
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314 uint32_t w; /*!< Type used for word access */
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315 } xPSR_Type;
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316
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317 /* xPSR Register Definitions */
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318 #define xPSR_N_Pos 31U /*!< xPSR: N Position */
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319 #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */
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320
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321 #define xPSR_Z_Pos 30U /*!< xPSR: Z Position */
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322 #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */
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323
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324 #define xPSR_C_Pos 29U /*!< xPSR: C Position */
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325 #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */
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326
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327 #define xPSR_V_Pos 28U /*!< xPSR: V Position */
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328 #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */
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329
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330 #define xPSR_T_Pos 24U /*!< xPSR: T Position */
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331 #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */
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332
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333 #define xPSR_ISR_Pos 0U /*!< xPSR: ISR Position */
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334 #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */
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335
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336
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337 /**
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338 \brief Union type to access the Control Registers (CONTROL).
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339 */
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340 typedef union
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341 {
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342 struct
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343 {
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344 uint32_t _reserved0:1; /*!< bit: 0 Reserved */
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345 uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */
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346 uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */
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347 } b; /*!< Structure used for bit access */
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348 uint32_t w; /*!< Type used for word access */
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349 } CONTROL_Type;
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350
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351 /* CONTROL Register Definitions */
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352 #define CONTROL_SPSEL_Pos 1U /*!< CONTROL: SPSEL Position */
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353 #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */
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354
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355 /*@} end of group CMSIS_CORE */
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356
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357
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358 /**
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359 \ingroup CMSIS_core_register
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360 \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC)
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361 \brief Type definitions for the NVIC Registers
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362 @{
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363 */
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364
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365 /**
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366 \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC).
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367 */
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368 typedef struct
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369 {
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370 __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */
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371 uint32_t RESERVED0[31U];
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372 __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */
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373 uint32_t RSERVED1[31U];
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374 __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */
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375 uint32_t RESERVED2[31U];
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376 __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */
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377 uint32_t RESERVED3[31U];
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378 uint32_t RESERVED4[64U];
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379 __IOM uint32_t IP[8U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */
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380 } NVIC_Type;
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381
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382 /*@} end of group CMSIS_NVIC */
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383
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384
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385 /**
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386 \ingroup CMSIS_core_register
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387 \defgroup CMSIS_SCB System Control Block (SCB)
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388 \brief Type definitions for the System Control Block Registers
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389 @{
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390 */
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391
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392 /**
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393 \brief Structure type to access the System Control Block (SCB).
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394 */
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395 typedef struct
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396 {
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397 __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
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398 __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
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399 __IOM uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */
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400 __IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
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401 __IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
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402 __IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
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403 uint32_t RESERVED0[1U];
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404 __IOM uint32_t SHP[2U]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */
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405 __IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
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406 uint32_t RESERVED1[154U];
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407 __IOM uint32_t SFCR; /*!< Offset: 0x290 (R/W) Security Features Control Register */
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408 } SCB_Type;
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409
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410 /* SCB CPUID Register Definitions */
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411 #define SCB_CPUID_IMPLEMENTER_Pos 24U /*!< SCB CPUID: IMPLEMENTER Position */
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412 #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
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413
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414 #define SCB_CPUID_VARIANT_Pos 20U /*!< SCB CPUID: VARIANT Position */
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415 #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
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416
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417 #define SCB_CPUID_ARCHITECTURE_Pos 16U /*!< SCB CPUID: ARCHITECTURE Position */
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418 #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
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419
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420 #define SCB_CPUID_PARTNO_Pos 4U /*!< SCB CPUID: PARTNO Position */
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421 #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
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422
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423 #define SCB_CPUID_REVISION_Pos 0U /*!< SCB CPUID: REVISION Position */
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424 #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */
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425
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426 /* SCB Interrupt Control State Register Definitions */
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427 #define SCB_ICSR_NMIPENDSET_Pos 31U /*!< SCB ICSR: NMIPENDSET Position */
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428 #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
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429
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430 #define SCB_ICSR_PENDSVSET_Pos 28U /*!< SCB ICSR: PENDSVSET Position */
|
|
431 #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
|
|
432
|
|
433 #define SCB_ICSR_PENDSVCLR_Pos 27U /*!< SCB ICSR: PENDSVCLR Position */
|
|
434 #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
|
|
435
|
|
436 #define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */
|
|
437 #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
|
|
438
|
|
439 #define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */
|
|
440 #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
|
|
441
|
|
442 #define SCB_ICSR_ISRPREEMPT_Pos 23U /*!< SCB ICSR: ISRPREEMPT Position */
|
|
443 #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
|
|
444
|
|
445 #define SCB_ICSR_ISRPENDING_Pos 22U /*!< SCB ICSR: ISRPENDING Position */
|
|
446 #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
|
|
447
|
|
448 #define SCB_ICSR_VECTPENDING_Pos 12U /*!< SCB ICSR: VECTPENDING Position */
|
|
449 #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
|
|
450
|
|
451 #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */
|
|
452 #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */
|
|
453
|
|
454 /* SCB Interrupt Control State Register Definitions */
|
|
455 #define SCB_VTOR_TBLOFF_Pos 7U /*!< SCB VTOR: TBLOFF Position */
|
|
456 #define SCB_VTOR_TBLOFF_Msk (0x1FFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */
|
|
457
|
|
458 /* SCB Application Interrupt and Reset Control Register Definitions */
|
|
459 #define SCB_AIRCR_VECTKEY_Pos 16U /*!< SCB AIRCR: VECTKEY Position */
|
|
460 #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
|
|
461
|
|
462 #define SCB_AIRCR_VECTKEYSTAT_Pos 16U /*!< SCB AIRCR: VECTKEYSTAT Position */
|
|
463 #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
|
|
464
|
|
465 #define SCB_AIRCR_ENDIANESS_Pos 15U /*!< SCB AIRCR: ENDIANESS Position */
|
|
466 #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
|
|
467
|
|
468 #define SCB_AIRCR_SYSRESETREQ_Pos 2U /*!< SCB AIRCR: SYSRESETREQ Position */
|
|
469 #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
|
|
470
|
|
471 #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U /*!< SCB AIRCR: VECTCLRACTIVE Position */
|
|
472 #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
|
|
473
|
|
474 /* SCB System Control Register Definitions */
|
|
475 #define SCB_SCR_SEVONPEND_Pos 4U /*!< SCB SCR: SEVONPEND Position */
|
|
476 #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
|
|
477
|
|
478 #define SCB_SCR_SLEEPDEEP_Pos 2U /*!< SCB SCR: SLEEPDEEP Position */
|
|
479 #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
|
|
480
|
|
481 #define SCB_SCR_SLEEPONEXIT_Pos 1U /*!< SCB SCR: SLEEPONEXIT Position */
|
|
482 #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
|
|
483
|
|
484 /* SCB Configuration Control Register Definitions */
|
|
485 #define SCB_CCR_STKALIGN_Pos 9U /*!< SCB CCR: STKALIGN Position */
|
|
486 #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
|
|
487
|
|
488 #define SCB_CCR_UNALIGN_TRP_Pos 3U /*!< SCB CCR: UNALIGN_TRP Position */
|
|
489 #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
|
|
490
|
|
491 /* SCB System Handler Control and State Register Definitions */
|
|
492 #define SCB_SHCSR_SVCALLPENDED_Pos 15U /*!< SCB SHCSR: SVCALLPENDED Position */
|
|
493 #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
|
|
494
|
|
495 /*@} end of group CMSIS_SCB */
|
|
496
|
|
497
|
|
498 /**
|
|
499 \ingroup CMSIS_core_register
|
|
500 \defgroup CMSIS_SCnSCB System Controls not in SCB (SCnSCB)
|
|
501 \brief Type definitions for the System Control and ID Register not in the SCB
|
|
502 @{
|
|
503 */
|
|
504
|
|
505 /**
|
|
506 \brief Structure type to access the System Control and ID Register not in the SCB.
|
|
507 */
|
|
508 typedef struct
|
|
509 {
|
|
510 uint32_t RESERVED0[2U];
|
|
511 __IOM uint32_t ACTLR; /*!< Offset: 0x008 (R/W) Auxiliary Control Register */
|
|
512 } SCnSCB_Type;
|
|
513
|
|
514 /* Auxiliary Control Register Definitions */
|
|
515 #define SCnSCB_ACTLR_DISMCYCINT_Pos 0U /*!< ACTLR: DISMCYCINT Position */
|
|
516 #define SCnSCB_ACTLR_DISMCYCINT_Msk (1UL /*<< SCnSCB_ACTLR_DISMCYCINT_Pos*/) /*!< ACTLR: DISMCYCINT Mask */
|
|
517
|
|
518 /*@} end of group CMSIS_SCnotSCB */
|
|
519
|
|
520
|
|
521 /**
|
|
522 \ingroup CMSIS_core_register
|
|
523 \defgroup CMSIS_SysTick System Tick Timer (SysTick)
|
|
524 \brief Type definitions for the System Timer Registers.
|
|
525 @{
|
|
526 */
|
|
527
|
|
528 /**
|
|
529 \brief Structure type to access the System Timer (SysTick).
|
|
530 */
|
|
531 typedef struct
|
|
532 {
|
|
533 __IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
|
|
534 __IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
|
|
535 __IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
|
|
536 __IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
|
|
537 } SysTick_Type;
|
|
538
|
|
539 /* SysTick Control / Status Register Definitions */
|
|
540 #define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */
|
|
541 #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
|
|
542
|
|
543 #define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */
|
|
544 #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
|
|
545
|
|
546 #define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */
|
|
547 #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
|
|
548
|
|
549 #define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */
|
|
550 #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */
|
|
551
|
|
552 /* SysTick Reload Register Definitions */
|
|
553 #define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */
|
|
554 #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */
|
|
555
|
|
556 /* SysTick Current Register Definitions */
|
|
557 #define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */
|
|
558 #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */
|
|
559
|
|
560 /* SysTick Calibration Register Definitions */
|
|
561 #define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */
|
|
562 #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
|
|
563
|
|
564 #define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */
|
|
565 #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
|
|
566
|
|
567 #define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */
|
|
568 #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
|
|
569
|
|
570 /*@} end of group CMSIS_SysTick */
|
|
571
|
|
572 #if (__MPU_PRESENT == 1U)
|
|
573 /**
|
|
574 \ingroup CMSIS_core_register
|
|
575 \defgroup CMSIS_MPU Memory Protection Unit (MPU)
|
|
576 \brief Type definitions for the Memory Protection Unit (MPU)
|
|
577 @{
|
|
578 */
|
|
579
|
|
580 /**
|
|
581 \brief Structure type to access the Memory Protection Unit (MPU).
|
|
582 */
|
|
583 typedef struct
|
|
584 {
|
|
585 __IM uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */
|
|
586 __IOM uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */
|
|
587 __IOM uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */
|
|
588 __IOM uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */
|
|
589 __IOM uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */
|
|
590 } MPU_Type;
|
|
591
|
|
592 /* MPU Type Register Definitions */
|
|
593 #define MPU_TYPE_IREGION_Pos 16U /*!< MPU TYPE: IREGION Position */
|
|
594 #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */
|
|
595
|
|
596 #define MPU_TYPE_DREGION_Pos 8U /*!< MPU TYPE: DREGION Position */
|
|
597 #define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */
|
|
598
|
|
599 #define MPU_TYPE_SEPARATE_Pos 0U /*!< MPU TYPE: SEPARATE Position */
|
|
600 #define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/) /*!< MPU TYPE: SEPARATE Mask */
|
|
601
|
|
602 /* MPU Control Register Definitions */
|
|
603 #define MPU_CTRL_PRIVDEFENA_Pos 2U /*!< MPU CTRL: PRIVDEFENA Position */
|
|
604 #define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */
|
|
605
|
|
606 #define MPU_CTRL_HFNMIENA_Pos 1U /*!< MPU CTRL: HFNMIENA Position */
|
|
607 #define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */
|
|
608
|
|
609 #define MPU_CTRL_ENABLE_Pos 0U /*!< MPU CTRL: ENABLE Position */
|
|
610 #define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/) /*!< MPU CTRL: ENABLE Mask */
|
|
611
|
|
612 /* MPU Region Number Register Definitions */
|
|
613 #define MPU_RNR_REGION_Pos 0U /*!< MPU RNR: REGION Position */
|
|
614 #define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/) /*!< MPU RNR: REGION Mask */
|
|
615
|
|
616 /* MPU Region Base Address Register Definitions */
|
|
617 #define MPU_RBAR_ADDR_Pos 8U /*!< MPU RBAR: ADDR Position */
|
|
618 #define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */
|
|
619
|
|
620 #define MPU_RBAR_VALID_Pos 4U /*!< MPU RBAR: VALID Position */
|
|
621 #define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */
|
|
622
|
|
623 #define MPU_RBAR_REGION_Pos 0U /*!< MPU RBAR: REGION Position */
|
|
624 #define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/) /*!< MPU RBAR: REGION Mask */
|
|
625
|
|
626 /* MPU Region Attribute and Size Register Definitions */
|
|
627 #define MPU_RASR_ATTRS_Pos 16U /*!< MPU RASR: MPU Region Attribute field Position */
|
|
628 #define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */
|
|
629
|
|
630 #define MPU_RASR_XN_Pos 28U /*!< MPU RASR: ATTRS.XN Position */
|
|
631 #define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */
|
|
632
|
|
633 #define MPU_RASR_AP_Pos 24U /*!< MPU RASR: ATTRS.AP Position */
|
|
634 #define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */
|
|
635
|
|
636 #define MPU_RASR_TEX_Pos 19U /*!< MPU RASR: ATTRS.TEX Position */
|
|
637 #define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */
|
|
638
|
|
639 #define MPU_RASR_S_Pos 18U /*!< MPU RASR: ATTRS.S Position */
|
|
640 #define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */
|
|
641
|
|
642 #define MPU_RASR_C_Pos 17U /*!< MPU RASR: ATTRS.C Position */
|
|
643 #define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */
|
|
644
|
|
645 #define MPU_RASR_B_Pos 16U /*!< MPU RASR: ATTRS.B Position */
|
|
646 #define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */
|
|
647
|
|
648 #define MPU_RASR_SRD_Pos 8U /*!< MPU RASR: Sub-Region Disable Position */
|
|
649 #define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */
|
|
650
|
|
651 #define MPU_RASR_SIZE_Pos 1U /*!< MPU RASR: Region Size Field Position */
|
|
652 #define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */
|
|
653
|
|
654 #define MPU_RASR_ENABLE_Pos 0U /*!< MPU RASR: Region enable bit Position */
|
|
655 #define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/) /*!< MPU RASR: Region enable bit Disable Mask */
|
|
656
|
|
657 /*@} end of group CMSIS_MPU */
|
|
658 #endif
|
|
659
|
|
660
|
|
661 /**
|
|
662 \ingroup CMSIS_core_register
|
|
663 \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug)
|
|
664 \brief SC000 Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor.
|
|
665 Therefore they are not covered by the SC000 header file.
|
|
666 @{
|
|
667 */
|
|
668 /*@} end of group CMSIS_CoreDebug */
|
|
669
|
|
670
|
|
671 /**
|
|
672 \ingroup CMSIS_core_register
|
|
673 \defgroup CMSIS_core_bitfield Core register bit field macros
|
|
674 \brief Macros for use with bit field definitions (xxx_Pos, xxx_Msk).
|
|
675 @{
|
|
676 */
|
|
677
|
|
678 /**
|
|
679 \brief Mask and shift a bit field value for use in a register bit range.
|
|
680 \param[in] field Name of the register bit field.
|
|
681 \param[in] value Value of the bit field.
|
|
682 \return Masked and shifted value.
|
|
683 */
|
|
684 #define _VAL2FLD(field, value) ((value << field ## _Pos) & field ## _Msk)
|
|
685
|
|
686 /**
|
|
687 \brief Mask and shift a register value to extract a bit filed value.
|
|
688 \param[in] field Name of the register bit field.
|
|
689 \param[in] value Value of register.
|
|
690 \return Masked and shifted bit field value.
|
|
691 */
|
|
692 #define _FLD2VAL(field, value) ((value & field ## _Msk) >> field ## _Pos)
|
|
693
|
|
694 /*@} end of group CMSIS_core_bitfield */
|
|
695
|
|
696
|
|
697 /**
|
|
698 \ingroup CMSIS_core_register
|
|
699 \defgroup CMSIS_core_base Core Definitions
|
|
700 \brief Definitions for base addresses, unions, and structures.
|
|
701 @{
|
|
702 */
|
|
703
|
|
704 /* Memory mapping of SC000 Hardware */
|
|
705 #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
|
|
706 #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
|
|
707 #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */
|
|
708 #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
|
|
709
|
|
710 #define SCnSCB ((SCnSCB_Type *) SCS_BASE ) /*!< System control Register not in SCB */
|
|
711 #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
|
|
712 #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
|
|
713 #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */
|
|
714
|
|
715 #if (__MPU_PRESENT == 1U)
|
|
716 #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */
|
|
717 #define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */
|
|
718 #endif
|
|
719
|
|
720 /*@} */
|
|
721
|
|
722
|
|
723
|
|
724 /*******************************************************************************
|
|
725 * Hardware Abstraction Layer
|
|
726 Core Function Interface contains:
|
|
727 - Core NVIC Functions
|
|
728 - Core SysTick Functions
|
|
729 - Core Register Access Functions
|
|
730 ******************************************************************************/
|
|
731 /**
|
|
732 \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference
|
|
733 */
|
|
734
|
|
735
|
|
736
|
|
737 /* ########################## NVIC functions #################################### */
|
|
738 /**
|
|
739 \ingroup CMSIS_Core_FunctionInterface
|
|
740 \defgroup CMSIS_Core_NVICFunctions NVIC Functions
|
|
741 \brief Functions that manage interrupts and exceptions via the NVIC.
|
|
742 @{
|
|
743 */
|
|
744
|
|
745 /* Interrupt Priorities are WORD accessible only under ARMv6M */
|
|
746 /* The following MACROS handle generation of the register offset and byte masks */
|
|
747 #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL)
|
|
748 #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) )
|
|
749 #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) )
|
|
750
|
|
751
|
|
752 /**
|
|
753 \brief Enable External Interrupt
|
|
754 \details Enables a device-specific interrupt in the NVIC interrupt controller.
|
|
755 \param [in] IRQn External interrupt number. Value cannot be negative.
|
|
756 */
|
|
757 __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
|
|
758 {
|
|
759 NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
|
|
760 }
|
|
761
|
|
762
|
|
763 /**
|
|
764 \brief Disable External Interrupt
|
|
765 \details Disables a device-specific interrupt in the NVIC interrupt controller.
|
|
766 \param [in] IRQn External interrupt number. Value cannot be negative.
|
|
767 */
|
|
768 __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
|
|
769 {
|
|
770 NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
|
|
771 }
|
|
772
|
|
773
|
|
774 /**
|
|
775 \brief Get Pending Interrupt
|
|
776 \details Reads the pending register in the NVIC and returns the pending bit for the specified interrupt.
|
|
777 \param [in] IRQn Interrupt number.
|
|
778 \return 0 Interrupt status is not pending.
|
|
779 \return 1 Interrupt status is pending.
|
|
780 */
|
|
781 __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
|
|
782 {
|
|
783 return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL));
|
|
784 }
|
|
785
|
|
786
|
|
787 /**
|
|
788 \brief Set Pending Interrupt
|
|
789 \details Sets the pending bit of an external interrupt.
|
|
790 \param [in] IRQn Interrupt number. Value cannot be negative.
|
|
791 */
|
|
792 __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
|
|
793 {
|
|
794 NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
|
|
795 }
|
|
796
|
|
797
|
|
798 /**
|
|
799 \brief Clear Pending Interrupt
|
|
800 \details Clears the pending bit of an external interrupt.
|
|
801 \param [in] IRQn External interrupt number. Value cannot be negative.
|
|
802 */
|
|
803 __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
|
|
804 {
|
|
805 NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL));
|
|
806 }
|
|
807
|
|
808
|
|
809 /**
|
|
810 \brief Set Interrupt Priority
|
|
811 \details Sets the priority of an interrupt.
|
|
812 \note The priority cannot be set for every core interrupt.
|
|
813 \param [in] IRQn Interrupt number.
|
|
814 \param [in] priority Priority to set.
|
|
815 */
|
|
816 __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
|
|
817 {
|
|
818 if ((int32_t)(IRQn) < 0)
|
|
819 {
|
|
820 SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
|
|
821 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
|
|
822 }
|
|
823 else
|
|
824 {
|
|
825 NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) |
|
|
826 (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn)));
|
|
827 }
|
|
828 }
|
|
829
|
|
830
|
|
831 /**
|
|
832 \brief Get Interrupt Priority
|
|
833 \details Reads the priority of an interrupt.
|
|
834 The interrupt number can be positive to specify an external (device specific) interrupt,
|
|
835 or negative to specify an internal (core) interrupt.
|
|
836 \param [in] IRQn Interrupt number.
|
|
837 \return Interrupt Priority.
|
|
838 Value is aligned automatically to the implemented priority bits of the microcontroller.
|
|
839 */
|
|
840 __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
|
|
841 {
|
|
842
|
|
843 if ((int32_t)(IRQn) < 0)
|
|
844 {
|
|
845 return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
|
|
846 }
|
|
847 else
|
|
848 {
|
|
849 return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS)));
|
|
850 }
|
|
851 }
|
|
852
|
|
853
|
|
854 /**
|
|
855 \brief System Reset
|
|
856 \details Initiates a system reset request to reset the MCU.
|
|
857 */
|
|
858 __STATIC_INLINE void NVIC_SystemReset(void)
|
|
859 {
|
|
860 __DSB(); /* Ensure all outstanding memory accesses included
|
|
861 buffered write are completed before reset */
|
|
862 SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) |
|
|
863 SCB_AIRCR_SYSRESETREQ_Msk);
|
|
864 __DSB(); /* Ensure completion of memory access */
|
|
865
|
|
866 for(;;) /* wait until reset */
|
|
867 {
|
|
868 __NOP();
|
|
869 }
|
|
870 }
|
|
871
|
|
872 /*@} end of CMSIS_Core_NVICFunctions */
|
|
873
|
|
874
|
|
875
|
|
876 /* ################################## SysTick function ############################################ */
|
|
877 /**
|
|
878 \ingroup CMSIS_Core_FunctionInterface
|
|
879 \defgroup CMSIS_Core_SysTickFunctions SysTick Functions
|
|
880 \brief Functions that configure the System.
|
|
881 @{
|
|
882 */
|
|
883
|
|
884 #if (__Vendor_SysTickConfig == 0U)
|
|
885
|
|
886 /**
|
|
887 \brief System Tick Configuration
|
|
888 \details Initializes the System Timer and its interrupt, and starts the System Tick Timer.
|
|
889 Counter is in free running mode to generate periodic interrupts.
|
|
890 \param [in] ticks Number of ticks between two interrupts.
|
|
891 \return 0 Function succeeded.
|
|
892 \return 1 Function failed.
|
|
893 \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the
|
|
894 function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b>
|
|
895 must contain a vendor-specific implementation of this function.
|
|
896 */
|
|
897 __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
|
|
898 {
|
|
899 if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk)
|
|
900 {
|
|
901 return (1UL); /* Reload value impossible */
|
|
902 }
|
|
903
|
|
904 SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */
|
|
905 NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
|
|
906 SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
|
|
907 SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
|
|
908 SysTick_CTRL_TICKINT_Msk |
|
|
909 SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
|
|
910 return (0UL); /* Function successful */
|
|
911 }
|
|
912
|
|
913 #endif
|
|
914
|
|
915 /*@} end of CMSIS_Core_SysTickFunctions */
|
|
916
|
|
917
|
|
918
|
|
919
|
|
920 #ifdef __cplusplus
|
|
921 }
|
|
922 #endif
|
|
923
|
|
924 #endif /* __CORE_SC000_H_DEPENDANT */
|
|
925
|
|
926 #endif /* __CMSIS_GENERIC */
|