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 V4.10 |
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5 | * @date 18. March 2015 |
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6 | * |
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7 | * @note |
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8 | * |
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9 | ******************************************************************************/ |
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10 | /* Copyright (c) 2009 - 2015 ARM LIMITED |
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11 | |
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12 | All rights reserved. |
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13 | Redistribution and use in source and binary forms, with or without |
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14 | modification, are permitted provided that the following conditions are met: |
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15 | - Redistributions of source code must retain the above copyright |
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16 | notice, this list of conditions and the following disclaimer. |
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17 | - Redistributions in binary form must reproduce the above copyright |
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18 | notice, this list of conditions and the following disclaimer in the |
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19 | documentation and/or other materials provided with the distribution. |
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20 | - Neither the name of ARM nor the names of its contributors may be used |
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21 | to endorse or promote products derived from this software without |
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22 | specific prior written permission. |
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23 | * |
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24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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25 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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26 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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27 | ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE |
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28 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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29 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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30 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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31 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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32 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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33 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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34 | POSSIBILITY OF SUCH DAMAGE. |
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35 | ---------------------------------------------------------------------------*/ |
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36 | |
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37 | |
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38 | #if defined ( __ICCARM__ ) |
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39 | #pragma system_include /* treat file as system include file for MISRA check */ |
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40 | #endif |
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41 | |
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42 | #ifndef __CORE_SC000_H_GENERIC |
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43 | #define __CORE_SC000_H_GENERIC |
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44 | |
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45 | #ifdef __cplusplus |
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46 | extern "C" { |
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47 | #endif |
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48 | |
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49 | /** \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions |
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50 | CMSIS violates the following MISRA-C:2004 rules: |
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51 | |
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52 | \li Required Rule 8.5, object/function definition in header file.<br> |
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53 | Function definitions in header files are used to allow 'inlining'. |
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54 | |
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55 | \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br> |
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56 | Unions are used for effective representation of core registers. |
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57 | |
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58 | \li Advisory Rule 19.7, Function-like macro defined.<br> |
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59 | Function-like macros are used to allow more efficient code. |
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60 | */ |
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61 | |
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62 | |
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63 | /******************************************************************************* |
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64 | * CMSIS definitions |
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65 | ******************************************************************************/ |
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66 | /** \ingroup SC000 |
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67 | @{ |
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68 | */ |
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69 | |
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70 | /* CMSIS SC000 definitions */ |
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71 | #define __SC000_CMSIS_VERSION_MAIN (0x04) /*!< [31:16] CMSIS HAL main version */ |
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72 | #define __SC000_CMSIS_VERSION_SUB (0x00) /*!< [15:0] CMSIS HAL sub version */ |
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73 | #define __SC000_CMSIS_VERSION ((__SC000_CMSIS_VERSION_MAIN << 16) | \ |
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74 | __SC000_CMSIS_VERSION_SUB ) /*!< CMSIS HAL version number */ |
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75 | |
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76 | #define __CORTEX_SC (000) /*!< Cortex secure core */ |
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77 | |
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78 | |
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79 | #if defined ( __CC_ARM ) |
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80 | #define __ASM __asm /*!< asm keyword for ARM Compiler */ |
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81 | #define __INLINE __inline /*!< inline keyword for ARM Compiler */ |
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82 | #define __STATIC_INLINE static __inline |
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83 | |
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84 | #elif defined ( __GNUC__ ) |
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85 | #define __ASM __asm /*!< asm keyword for GNU Compiler */ |
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86 | #define __INLINE inline /*!< inline keyword for GNU Compiler */ |
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87 | #define __STATIC_INLINE static inline |
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88 | |
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89 | #elif defined ( __ICCARM__ ) |
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90 | #define __ASM __asm /*!< asm keyword for IAR Compiler */ |
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91 | #define __INLINE inline /*!< inline keyword for IAR Compiler. Only available in High optimization mode! */ |
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92 | #define __STATIC_INLINE static inline |
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93 | |
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94 | #elif defined ( __TMS470__ ) |
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95 | #define __ASM __asm /*!< asm keyword for TI CCS Compiler */ |
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96 | #define __STATIC_INLINE static inline |
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97 | |
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98 | #elif defined ( __TASKING__ ) |
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99 | #define __ASM __asm /*!< asm keyword for TASKING Compiler */ |
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100 | #define __INLINE inline /*!< inline keyword for TASKING Compiler */ |
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101 | #define __STATIC_INLINE static inline |
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102 | |
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103 | #elif defined ( __CSMC__ ) |
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104 | #define __packed |
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105 | #define __ASM _asm /*!< asm keyword for COSMIC Compiler */ |
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106 | #define __INLINE inline /*use -pc99 on compile line !< inline keyword for COSMIC Compiler */ |
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107 | #define __STATIC_INLINE static inline |
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108 | |
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109 | #endif |
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110 | |
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111 | /** __FPU_USED indicates whether an FPU is used or not. |
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112 | This core does not support an FPU at all |
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113 | */ |
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114 | #define __FPU_USED 0 |
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115 | |
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116 | #if defined ( __CC_ARM ) |
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117 | #if defined __TARGET_FPU_VFP |
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118 | #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
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119 | #endif |
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120 | |
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121 | #elif defined ( __GNUC__ ) |
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122 | #if defined (__VFP_FP__) && !defined(__SOFTFP__) |
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123 | #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
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124 | #endif |
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125 | |
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126 | #elif defined ( __ICCARM__ ) |
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127 | #if defined __ARMVFP__ |
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128 | #warning "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 ( __TMS470__ ) |
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132 | #if defined __TI__VFP_SUPPORT____ |
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133 | #warning "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 ( __TASKING__ ) |
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137 | #if defined __FPU_VFP__ |
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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 ( __CSMC__ ) /* Cosmic */ |
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142 | #if ( __CSMC__ & 0x400) // FPU present for parser |
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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 | #endif |
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146 | |
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147 | #include <stdint.h> /* standard types definitions */ |
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148 | #include <core_cmInstr.h> /* Core Instruction Access */ |
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149 | #include <core_cmFunc.h> /* Core Function Access */ |
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150 | |
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151 | #ifdef __cplusplus |
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152 | } |
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153 | #endif |
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154 | |
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155 | #endif /* __CORE_SC000_H_GENERIC */ |
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156 | |
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157 | #ifndef __CMSIS_GENERIC |
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158 | |
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159 | #ifndef __CORE_SC000_H_DEPENDANT |
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160 | #define __CORE_SC000_H_DEPENDANT |
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161 | |
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162 | #ifdef __cplusplus |
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163 | extern "C" { |
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164 | #endif |
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165 | |
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166 | /* check device defines and use defaults */ |
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167 | #if defined __CHECK_DEVICE_DEFINES |
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168 | #ifndef __SC000_REV |
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169 | #define __SC000_REV 0x0000 |
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170 | #warning "__SC000_REV not defined in device header file; using default!" |
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171 | #endif |
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172 | |
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173 | #ifndef __MPU_PRESENT |
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174 | #define __MPU_PRESENT 0 |
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175 | #warning "__MPU_PRESENT not defined in device header file; using default!" |
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176 | #endif |
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177 | |
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178 | #ifndef __NVIC_PRIO_BITS |
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179 | #define __NVIC_PRIO_BITS 2 |
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180 | #warning "__NVIC_PRIO_BITS not defined in device header file; using default!" |
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181 | #endif |
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182 | |
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183 | #ifndef __Vendor_SysTickConfig |
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184 | #define __Vendor_SysTickConfig 0 |
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185 | #warning "__Vendor_SysTickConfig not defined in device header file; using default!" |
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186 | #endif |
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187 | #endif |
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188 | |
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189 | /* IO definitions (access restrictions to peripheral registers) */ |
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190 | /** |
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191 | \defgroup CMSIS_glob_defs CMSIS Global Defines |
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192 | |
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193 | <strong>IO Type Qualifiers</strong> are used |
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194 | \li to specify the access to peripheral variables. |
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195 | \li for automatic generation of peripheral register debug information. |
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196 | */ |
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197 | #ifdef __cplusplus |
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198 | #define __I volatile /*!< Defines 'read only' permissions */ |
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199 | #else |
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200 | #define __I volatile const /*!< Defines 'read only' permissions */ |
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201 | #endif |
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202 | #define __O volatile /*!< Defines 'write only' permissions */ |
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203 | #define __IO volatile /*!< Defines 'read / write' permissions */ |
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204 | |
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205 | /*@} end of group SC000 */ |
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206 | |
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207 | |
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208 | |
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209 | /******************************************************************************* |
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210 | * Register Abstraction |
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211 | Core Register contain: |
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212 | - Core Register |
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213 | - Core NVIC Register |
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214 | - Core SCB Register |
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215 | - Core SysTick Register |
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216 | - Core MPU Register |
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217 | ******************************************************************************/ |
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218 | /** \defgroup CMSIS_core_register Defines and Type Definitions |
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219 | \brief Type definitions and defines for Cortex-M processor based devices. |
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220 | */ |
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221 | |
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222 | /** \ingroup CMSIS_core_register |
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223 | \defgroup CMSIS_CORE Status and Control Registers |
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224 | \brief Core Register type definitions. |
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225 | @{ |
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226 | */ |
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227 | |
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228 | /** \brief Union type to access the Application Program Status Register (APSR). |
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229 | */ |
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230 | typedef union |
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231 | { |
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232 | struct |
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233 | { |
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234 | uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */ |
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235 | uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ |
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236 | uint32_t C:1; /*!< bit: 29 Carry condition code flag */ |
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237 | uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ |
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238 | uint32_t N:1; /*!< bit: 31 Negative condition code flag */ |
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239 | } b; /*!< Structure used for bit access */ |
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240 | uint32_t w; /*!< Type used for word access */ |
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241 | } APSR_Type; |
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242 | |
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243 | /* APSR Register Definitions */ |
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244 | #define APSR_N_Pos 31 /*!< APSR: N Position */ |
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245 | #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */ |
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246 | |
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247 | #define APSR_Z_Pos 30 /*!< APSR: Z Position */ |
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248 | #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */ |
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249 | |
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250 | #define APSR_C_Pos 29 /*!< APSR: C Position */ |
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251 | #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */ |
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252 | |
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253 | #define APSR_V_Pos 28 /*!< APSR: V Position */ |
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254 | #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */ |
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255 | |
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256 | |
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257 | /** \brief Union type to access the Interrupt Program Status Register (IPSR). |
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258 | */ |
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259 | typedef union |
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260 | { |
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261 | struct |
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262 | { |
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263 | uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ |
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264 | uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */ |
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265 | } b; /*!< Structure used for bit access */ |
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266 | uint32_t w; /*!< Type used for word access */ |
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267 | } IPSR_Type; |
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268 | |
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269 | /* IPSR Register Definitions */ |
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270 | #define IPSR_ISR_Pos 0 /*!< IPSR: ISR Position */ |
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271 | #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */ |
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272 | |
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273 | |
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274 | /** \brief Union type to access the Special-Purpose Program Status Registers (xPSR). |
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275 | */ |
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276 | typedef union |
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277 | { |
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278 | struct |
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279 | { |
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280 | uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ |
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281 | uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */ |
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282 | uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */ |
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283 | uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */ |
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284 | uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ |
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285 | uint32_t C:1; /*!< bit: 29 Carry condition code flag */ |
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286 | uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ |
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287 | uint32_t N:1; /*!< bit: 31 Negative condition code flag */ |
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288 | } b; /*!< Structure used for bit access */ |
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289 | uint32_t w; /*!< Type used for word access */ |
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290 | } xPSR_Type; |
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291 | |
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292 | /* xPSR Register Definitions */ |
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293 | #define xPSR_N_Pos 31 /*!< xPSR: N Position */ |
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294 | #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */ |
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295 | |
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296 | #define xPSR_Z_Pos 30 /*!< xPSR: Z Position */ |
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297 | #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */ |
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298 | |
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299 | #define xPSR_C_Pos 29 /*!< xPSR: C Position */ |
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300 | #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */ |
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301 | |
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302 | #define xPSR_V_Pos 28 /*!< xPSR: V Position */ |
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303 | #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */ |
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304 | |
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305 | #define xPSR_T_Pos 24 /*!< xPSR: T Position */ |
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306 | #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */ |
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307 | |
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308 | #define xPSR_ISR_Pos 0 /*!< xPSR: ISR Position */ |
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309 | #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */ |
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310 | |
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311 | |
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312 | /** \brief Union type to access the Control Registers (CONTROL). |
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313 | */ |
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314 | typedef union |
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315 | { |
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316 | struct |
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317 | { |
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318 | uint32_t _reserved0:1; /*!< bit: 0 Reserved */ |
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319 | uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */ |
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320 | uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */ |
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321 | } b; /*!< Structure used for bit access */ |
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322 | uint32_t w; /*!< Type used for word access */ |
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323 | } CONTROL_Type; |
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324 | |
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325 | /* CONTROL Register Definitions */ |
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326 | #define CONTROL_SPSEL_Pos 1 /*!< CONTROL: SPSEL Position */ |
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327 | #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */ |
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328 | |
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329 | /*@} end of group CMSIS_CORE */ |
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330 | |
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331 | |
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332 | /** \ingroup CMSIS_core_register |
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333 | \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC) |
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334 | \brief Type definitions for the NVIC Registers |
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335 | @{ |
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336 | */ |
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337 | |
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338 | /** \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC). |
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339 | */ |
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340 | typedef struct |
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341 | { |
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342 | __IO uint32_t ISER[1]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ |
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343 | uint32_t RESERVED0[31]; |
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344 | __IO uint32_t ICER[1]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ |
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345 | uint32_t RSERVED1[31]; |
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346 | __IO uint32_t ISPR[1]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ |
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347 | uint32_t RESERVED2[31]; |
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348 | __IO uint32_t ICPR[1]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ |
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349 | uint32_t RESERVED3[31]; |
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350 | uint32_t RESERVED4[64]; |
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351 | __IO uint32_t IP[8]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */ |
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352 | } NVIC_Type; |
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353 | |
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354 | /*@} end of group CMSIS_NVIC */ |
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355 | |
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356 | |
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357 | /** \ingroup CMSIS_core_register |
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358 | \defgroup CMSIS_SCB System Control Block (SCB) |
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359 | \brief Type definitions for the System Control Block Registers |
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360 | @{ |
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361 | */ |
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362 | |
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363 | /** \brief Structure type to access the System Control Block (SCB). |
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364 | */ |
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365 | typedef struct |
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366 | { |
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367 | __I uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */ |
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368 | __IO uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */ |
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369 | __IO uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */ |
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370 | __IO uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */ |
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371 | __IO uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */ |
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372 | __IO uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */ |
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373 | uint32_t RESERVED0[1]; |
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374 | __IO uint32_t SHP[2]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */ |
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375 | __IO uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */ |
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376 | uint32_t RESERVED1[154]; |
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377 | __IO uint32_t SFCR; /*!< Offset: 0x290 (R/W) Security Features Control Register */ |
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378 | } SCB_Type; |
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379 | |
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380 | /* SCB CPUID Register Definitions */ |
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381 | #define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */ |
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382 | #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */ |
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383 | |
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384 | #define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */ |
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385 | #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */ |
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386 | |
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387 | #define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */ |
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388 | #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */ |
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389 | |
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390 | #define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */ |
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391 | #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */ |
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392 | |
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393 | #define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */ |
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394 | #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */ |
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395 | |
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396 | /* SCB Interrupt Control State Register Definitions */ |
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397 | #define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */ |
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398 | #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */ |
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399 | |
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400 | #define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */ |
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401 | #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */ |
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402 | |
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403 | #define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */ |
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404 | #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */ |
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405 | |
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406 | #define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */ |
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407 | #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */ |
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408 | |
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409 | #define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */ |
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410 | #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */ |
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411 | |
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412 | #define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */ |
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413 | #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */ |
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414 | |
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415 | #define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */ |
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416 | #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */ |
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417 | |
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418 | #define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */ |
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419 | #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */ |
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420 | |
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421 | #define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */ |
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422 | #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */ |
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423 | |
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424 | /* SCB Interrupt Control State Register Definitions */ |
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425 | #define SCB_VTOR_TBLOFF_Pos 7 /*!< SCB VTOR: TBLOFF Position */ |
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426 | #define SCB_VTOR_TBLOFF_Msk (0x1FFFFFFUL << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */ |
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427 | |
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428 | /* SCB Application Interrupt and Reset Control Register Definitions */ |
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429 | #define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */ |
---|
430 | #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */ |
---|
431 | |
---|
432 | #define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */ |
---|
433 | #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */ |
---|
434 | |
---|
435 | #define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */ |
---|
436 | #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */ |
---|
437 | |
---|
438 | #define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */ |
---|
439 | #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */ |
---|
440 | |
---|
441 | #define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */ |
---|
442 | #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */ |
---|
443 | |
---|
444 | /* SCB System Control Register Definitions */ |
---|
445 | #define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */ |
---|
446 | #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */ |
---|
447 | |
---|
448 | #define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */ |
---|
449 | #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */ |
---|
450 | |
---|
451 | #define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */ |
---|
452 | #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */ |
---|
453 | |
---|
454 | /* SCB Configuration Control Register Definitions */ |
---|
455 | #define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */ |
---|
456 | #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */ |
---|
457 | |
---|
458 | #define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */ |
---|
459 | #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */ |
---|
460 | |
---|
461 | /* SCB System Handler Control and State Register Definitions */ |
---|
462 | #define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */ |
---|
463 | #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */ |
---|
464 | |
---|
465 | /*@} end of group CMSIS_SCB */ |
---|
466 | |
---|
467 | |
---|
468 | /** \ingroup CMSIS_core_register |
---|
469 | \defgroup CMSIS_SCnSCB System Controls not in SCB (SCnSCB) |
---|
470 | \brief Type definitions for the System Control and ID Register not in the SCB |
---|
471 | @{ |
---|
472 | */ |
---|
473 | |
---|
474 | /** \brief Structure type to access the System Control and ID Register not in the SCB. |
---|
475 | */ |
---|
476 | typedef struct |
---|
477 | { |
---|
478 | uint32_t RESERVED0[2]; |
---|
479 | __IO uint32_t ACTLR; /*!< Offset: 0x008 (R/W) Auxiliary Control Register */ |
---|
480 | } SCnSCB_Type; |
---|
481 | |
---|
482 | /* Auxiliary Control Register Definitions */ |
---|
483 | #define SCnSCB_ACTLR_DISMCYCINT_Pos 0 /*!< ACTLR: DISMCYCINT Position */ |
---|
484 | #define SCnSCB_ACTLR_DISMCYCINT_Msk (1UL /*<< SCnSCB_ACTLR_DISMCYCINT_Pos*/) /*!< ACTLR: DISMCYCINT Mask */ |
---|
485 | |
---|
486 | /*@} end of group CMSIS_SCnotSCB */ |
---|
487 | |
---|
488 | |
---|
489 | /** \ingroup CMSIS_core_register |
---|
490 | \defgroup CMSIS_SysTick System Tick Timer (SysTick) |
---|
491 | \brief Type definitions for the System Timer Registers. |
---|
492 | @{ |
---|
493 | */ |
---|
494 | |
---|
495 | /** \brief Structure type to access the System Timer (SysTick). |
---|
496 | */ |
---|
497 | typedef struct |
---|
498 | { |
---|
499 | __IO uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */ |
---|
500 | __IO uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */ |
---|
501 | __IO uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */ |
---|
502 | __I uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */ |
---|
503 | } SysTick_Type; |
---|
504 | |
---|
505 | /* SysTick Control / Status Register Definitions */ |
---|
506 | #define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */ |
---|
507 | #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ |
---|
508 | |
---|
509 | #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */ |
---|
510 | #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */ |
---|
511 | |
---|
512 | #define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */ |
---|
513 | #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */ |
---|
514 | |
---|
515 | #define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */ |
---|
516 | #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */ |
---|
517 | |
---|
518 | /* SysTick Reload Register Definitions */ |
---|
519 | #define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */ |
---|
520 | #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */ |
---|
521 | |
---|
522 | /* SysTick Current Register Definitions */ |
---|
523 | #define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */ |
---|
524 | #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */ |
---|
525 | |
---|
526 | /* SysTick Calibration Register Definitions */ |
---|
527 | #define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */ |
---|
528 | #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */ |
---|
529 | |
---|
530 | #define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */ |
---|
531 | #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */ |
---|
532 | |
---|
533 | #define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */ |
---|
534 | #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */ |
---|
535 | |
---|
536 | /*@} end of group CMSIS_SysTick */ |
---|
537 | |
---|
538 | #if (__MPU_PRESENT == 1) |
---|
539 | /** \ingroup CMSIS_core_register |
---|
540 | \defgroup CMSIS_MPU Memory Protection Unit (MPU) |
---|
541 | \brief Type definitions for the Memory Protection Unit (MPU) |
---|
542 | @{ |
---|
543 | */ |
---|
544 | |
---|
545 | /** \brief Structure type to access the Memory Protection Unit (MPU). |
---|
546 | */ |
---|
547 | typedef struct |
---|
548 | { |
---|
549 | __I uint32_t TYPE; /*!< Offset: 0x000 (R/ ) MPU Type Register */ |
---|
550 | __IO uint32_t CTRL; /*!< Offset: 0x004 (R/W) MPU Control Register */ |
---|
551 | __IO uint32_t RNR; /*!< Offset: 0x008 (R/W) MPU Region RNRber Register */ |
---|
552 | __IO uint32_t RBAR; /*!< Offset: 0x00C (R/W) MPU Region Base Address Register */ |
---|
553 | __IO uint32_t RASR; /*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register */ |
---|
554 | } MPU_Type; |
---|
555 | |
---|
556 | /* MPU Type Register */ |
---|
557 | #define MPU_TYPE_IREGION_Pos 16 /*!< MPU TYPE: IREGION Position */ |
---|
558 | #define MPU_TYPE_IREGION_Msk (0xFFUL << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */ |
---|
559 | |
---|
560 | #define MPU_TYPE_DREGION_Pos 8 /*!< MPU TYPE: DREGION Position */ |
---|
561 | #define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */ |
---|
562 | |
---|
563 | #define MPU_TYPE_SEPARATE_Pos 0 /*!< MPU TYPE: SEPARATE Position */ |
---|
564 | #define MPU_TYPE_SEPARATE_Msk (1UL /*<< MPU_TYPE_SEPARATE_Pos*/) /*!< MPU TYPE: SEPARATE Mask */ |
---|
565 | |
---|
566 | /* MPU Control Register */ |
---|
567 | #define MPU_CTRL_PRIVDEFENA_Pos 2 /*!< MPU CTRL: PRIVDEFENA Position */ |
---|
568 | #define MPU_CTRL_PRIVDEFENA_Msk (1UL << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */ |
---|
569 | |
---|
570 | #define MPU_CTRL_HFNMIENA_Pos 1 /*!< MPU CTRL: HFNMIENA Position */ |
---|
571 | #define MPU_CTRL_HFNMIENA_Msk (1UL << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */ |
---|
572 | |
---|
573 | #define MPU_CTRL_ENABLE_Pos 0 /*!< MPU CTRL: ENABLE Position */ |
---|
574 | #define MPU_CTRL_ENABLE_Msk (1UL /*<< MPU_CTRL_ENABLE_Pos*/) /*!< MPU CTRL: ENABLE Mask */ |
---|
575 | |
---|
576 | /* MPU Region Number Register */ |
---|
577 | #define MPU_RNR_REGION_Pos 0 /*!< MPU RNR: REGION Position */ |
---|
578 | #define MPU_RNR_REGION_Msk (0xFFUL /*<< MPU_RNR_REGION_Pos*/) /*!< MPU RNR: REGION Mask */ |
---|
579 | |
---|
580 | /* MPU Region Base Address Register */ |
---|
581 | #define MPU_RBAR_ADDR_Pos 8 /*!< MPU RBAR: ADDR Position */ |
---|
582 | #define MPU_RBAR_ADDR_Msk (0xFFFFFFUL << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */ |
---|
583 | |
---|
584 | #define MPU_RBAR_VALID_Pos 4 /*!< MPU RBAR: VALID Position */ |
---|
585 | #define MPU_RBAR_VALID_Msk (1UL << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */ |
---|
586 | |
---|
587 | #define MPU_RBAR_REGION_Pos 0 /*!< MPU RBAR: REGION Position */ |
---|
588 | #define MPU_RBAR_REGION_Msk (0xFUL /*<< MPU_RBAR_REGION_Pos*/) /*!< MPU RBAR: REGION Mask */ |
---|
589 | |
---|
590 | /* MPU Region Attribute and Size Register */ |
---|
591 | #define MPU_RASR_ATTRS_Pos 16 /*!< MPU RASR: MPU Region Attribute field Position */ |
---|
592 | #define MPU_RASR_ATTRS_Msk (0xFFFFUL << MPU_RASR_ATTRS_Pos) /*!< MPU RASR: MPU Region Attribute field Mask */ |
---|
593 | |
---|
594 | #define MPU_RASR_XN_Pos 28 /*!< MPU RASR: ATTRS.XN Position */ |
---|
595 | #define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos) /*!< MPU RASR: ATTRS.XN Mask */ |
---|
596 | |
---|
597 | #define MPU_RASR_AP_Pos 24 /*!< MPU RASR: ATTRS.AP Position */ |
---|
598 | #define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos) /*!< MPU RASR: ATTRS.AP Mask */ |
---|
599 | |
---|
600 | #define MPU_RASR_TEX_Pos 19 /*!< MPU RASR: ATTRS.TEX Position */ |
---|
601 | #define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos) /*!< MPU RASR: ATTRS.TEX Mask */ |
---|
602 | |
---|
603 | #define MPU_RASR_S_Pos 18 /*!< MPU RASR: ATTRS.S Position */ |
---|
604 | #define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos) /*!< MPU RASR: ATTRS.S Mask */ |
---|
605 | |
---|
606 | #define MPU_RASR_C_Pos 17 /*!< MPU RASR: ATTRS.C Position */ |
---|
607 | #define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos) /*!< MPU RASR: ATTRS.C Mask */ |
---|
608 | |
---|
609 | #define MPU_RASR_B_Pos 16 /*!< MPU RASR: ATTRS.B Position */ |
---|
610 | #define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos) /*!< MPU RASR: ATTRS.B Mask */ |
---|
611 | |
---|
612 | #define MPU_RASR_SRD_Pos 8 /*!< MPU RASR: Sub-Region Disable Position */ |
---|
613 | #define MPU_RASR_SRD_Msk (0xFFUL << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */ |
---|
614 | |
---|
615 | #define MPU_RASR_SIZE_Pos 1 /*!< MPU RASR: Region Size Field Position */ |
---|
616 | #define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */ |
---|
617 | |
---|
618 | #define MPU_RASR_ENABLE_Pos 0 /*!< MPU RASR: Region enable bit Position */ |
---|
619 | #define MPU_RASR_ENABLE_Msk (1UL /*<< MPU_RASR_ENABLE_Pos*/) /*!< MPU RASR: Region enable bit Disable Mask */ |
---|
620 | |
---|
621 | /*@} end of group CMSIS_MPU */ |
---|
622 | #endif |
---|
623 | |
---|
624 | |
---|
625 | /** \ingroup CMSIS_core_register |
---|
626 | \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug) |
---|
627 | \brief SC000 Core Debug Registers (DCB registers, SHCSR, and DFSR) |
---|
628 | are only accessible over DAP and not via processor. Therefore |
---|
629 | they are not covered by the Cortex-M0 header file. |
---|
630 | @{ |
---|
631 | */ |
---|
632 | /*@} end of group CMSIS_CoreDebug */ |
---|
633 | |
---|
634 | |
---|
635 | /** \ingroup CMSIS_core_register |
---|
636 | \defgroup CMSIS_core_base Core Definitions |
---|
637 | \brief Definitions for base addresses, unions, and structures. |
---|
638 | @{ |
---|
639 | */ |
---|
640 | |
---|
641 | /* Memory mapping of SC000 Hardware */ |
---|
642 | #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */ |
---|
643 | #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */ |
---|
644 | #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */ |
---|
645 | #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */ |
---|
646 | |
---|
647 | #define SCnSCB ((SCnSCB_Type *) SCS_BASE ) /*!< System control Register not in SCB */ |
---|
648 | #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */ |
---|
649 | #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */ |
---|
650 | #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */ |
---|
651 | |
---|
652 | #if (__MPU_PRESENT == 1) |
---|
653 | #define MPU_BASE (SCS_BASE + 0x0D90UL) /*!< Memory Protection Unit */ |
---|
654 | #define MPU ((MPU_Type *) MPU_BASE ) /*!< Memory Protection Unit */ |
---|
655 | #endif |
---|
656 | |
---|
657 | /*@} */ |
---|
658 | |
---|
659 | |
---|
660 | |
---|
661 | /******************************************************************************* |
---|
662 | * Hardware Abstraction Layer |
---|
663 | Core Function Interface contains: |
---|
664 | - Core NVIC Functions |
---|
665 | - Core SysTick Functions |
---|
666 | - Core Register Access Functions |
---|
667 | ******************************************************************************/ |
---|
668 | /** \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference |
---|
669 | */ |
---|
670 | |
---|
671 | |
---|
672 | |
---|
673 | /* ########################## NVIC functions #################################### */ |
---|
674 | /** \ingroup CMSIS_Core_FunctionInterface |
---|
675 | \defgroup CMSIS_Core_NVICFunctions NVIC Functions |
---|
676 | \brief Functions that manage interrupts and exceptions via the NVIC. |
---|
677 | @{ |
---|
678 | */ |
---|
679 | |
---|
680 | /* Interrupt Priorities are WORD accessible only under ARMv6M */ |
---|
681 | /* The following MACROS handle generation of the register offset and byte masks */ |
---|
682 | #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL) |
---|
683 | #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) ) |
---|
684 | #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) ) |
---|
685 | |
---|
686 | |
---|
687 | /** \brief Enable External Interrupt |
---|
688 | |
---|
689 | The function enables a device-specific interrupt in the NVIC interrupt controller. |
---|
690 | |
---|
691 | \param [in] IRQn External interrupt number. Value cannot be negative. |
---|
692 | */ |
---|
693 | __STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn) |
---|
694 | { |
---|
695 | NVIC->ISER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); |
---|
696 | } |
---|
697 | |
---|
698 | |
---|
699 | /** \brief Disable External Interrupt |
---|
700 | |
---|
701 | The function disables a device-specific interrupt in the NVIC interrupt controller. |
---|
702 | |
---|
703 | \param [in] IRQn External interrupt number. Value cannot be negative. |
---|
704 | */ |
---|
705 | __STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn) |
---|
706 | { |
---|
707 | NVIC->ICER[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); |
---|
708 | } |
---|
709 | |
---|
710 | |
---|
711 | /** \brief Get Pending Interrupt |
---|
712 | |
---|
713 | The function reads the pending register in the NVIC and returns the pending bit |
---|
714 | for the specified interrupt. |
---|
715 | |
---|
716 | \param [in] IRQn Interrupt number. |
---|
717 | |
---|
718 | \return 0 Interrupt status is not pending. |
---|
719 | \return 1 Interrupt status is pending. |
---|
720 | */ |
---|
721 | __STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn) |
---|
722 | { |
---|
723 | return((uint32_t)(((NVIC->ISPR[0] & (1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL)); |
---|
724 | } |
---|
725 | |
---|
726 | |
---|
727 | /** \brief Set Pending Interrupt |
---|
728 | |
---|
729 | The function sets the pending bit of an external interrupt. |
---|
730 | |
---|
731 | \param [in] IRQn Interrupt number. Value cannot be negative. |
---|
732 | */ |
---|
733 | __STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn) |
---|
734 | { |
---|
735 | NVIC->ISPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); |
---|
736 | } |
---|
737 | |
---|
738 | |
---|
739 | /** \brief Clear Pending Interrupt |
---|
740 | |
---|
741 | The function clears the pending bit of an external interrupt. |
---|
742 | |
---|
743 | \param [in] IRQn External interrupt number. Value cannot be negative. |
---|
744 | */ |
---|
745 | __STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn) |
---|
746 | { |
---|
747 | NVIC->ICPR[0] = (uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)); |
---|
748 | } |
---|
749 | |
---|
750 | |
---|
751 | /** \brief Set Interrupt Priority |
---|
752 | |
---|
753 | The function sets the priority of an interrupt. |
---|
754 | |
---|
755 | \note The priority cannot be set for every core interrupt. |
---|
756 | |
---|
757 | \param [in] IRQn Interrupt number. |
---|
758 | \param [in] priority Priority to set. |
---|
759 | */ |
---|
760 | __STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) |
---|
761 | { |
---|
762 | if((int32_t)(IRQn) < 0) { |
---|
763 | SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | |
---|
764 | (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); |
---|
765 | } |
---|
766 | else { |
---|
767 | NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | |
---|
768 | (((priority << (8 - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); |
---|
769 | } |
---|
770 | } |
---|
771 | |
---|
772 | |
---|
773 | /** \brief Get Interrupt Priority |
---|
774 | |
---|
775 | The function reads the priority of an interrupt. The interrupt |
---|
776 | number can be positive to specify an external (device specific) |
---|
777 | interrupt, or negative to specify an internal (core) interrupt. |
---|
778 | |
---|
779 | |
---|
780 | \param [in] IRQn Interrupt number. |
---|
781 | \return Interrupt Priority. Value is aligned automatically to the implemented |
---|
782 | priority bits of the microcontroller. |
---|
783 | */ |
---|
784 | __STATIC_INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn) |
---|
785 | { |
---|
786 | |
---|
787 | if((int32_t)(IRQn) < 0) { |
---|
788 | return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS))); |
---|
789 | } |
---|
790 | else { |
---|
791 | return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8 - __NVIC_PRIO_BITS))); |
---|
792 | } |
---|
793 | } |
---|
794 | |
---|
795 | |
---|
796 | /** \brief System Reset |
---|
797 | |
---|
798 | The function initiates a system reset request to reset the MCU. |
---|
799 | */ |
---|
800 | __STATIC_INLINE void NVIC_SystemReset(void) |
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801 | { |
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802 | __DSB(); /* Ensure all outstanding memory accesses included |
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803 | buffered write are completed before reset */ |
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804 | SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) | |
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805 | SCB_AIRCR_SYSRESETREQ_Msk); |
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806 | __DSB(); /* Ensure completion of memory access */ |
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807 | while(1) { __NOP(); } /* wait until reset */ |
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808 | } |
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809 | |
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810 | /*@} end of CMSIS_Core_NVICFunctions */ |
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811 | |
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812 | |
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813 | |
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814 | /* ################################## SysTick function ############################################ */ |
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815 | /** \ingroup CMSIS_Core_FunctionInterface |
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816 | \defgroup CMSIS_Core_SysTickFunctions SysTick Functions |
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817 | \brief Functions that configure the System. |
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818 | @{ |
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819 | */ |
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820 | |
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821 | #if (__Vendor_SysTickConfig == 0) |
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822 | |
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823 | /** \brief System Tick Configuration |
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824 | |
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825 | The function initializes the System Timer and its interrupt, and starts the System Tick Timer. |
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826 | Counter is in free running mode to generate periodic interrupts. |
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827 | |
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828 | \param [in] ticks Number of ticks between two interrupts. |
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829 | |
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830 | \return 0 Function succeeded. |
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831 | \return 1 Function failed. |
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832 | |
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833 | \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the |
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834 | function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b> |
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835 | must contain a vendor-specific implementation of this function. |
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836 | |
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837 | */ |
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838 | __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks) |
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839 | { |
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840 | if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) {return (1UL);} /* Reload value impossible */ |
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841 | |
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842 | SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */ |
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843 | NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */ |
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844 | SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ |
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845 | SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | |
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846 | SysTick_CTRL_TICKINT_Msk | |
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847 | SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ |
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848 | return (0UL); /* Function successful */ |
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849 | } |
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850 | |
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851 | #endif |
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852 | |
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853 | /*@} end of CMSIS_Core_SysTickFunctions */ |
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854 | |
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855 | |
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856 | |
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857 | |
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858 | #ifdef __cplusplus |
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859 | } |
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860 | #endif |
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861 | |
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862 | #endif /* __CORE_SC000_H_DEPENDANT */ |
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863 | |
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864 | #endif /* __CMSIS_GENERIC */ |
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