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2 | mjames | 1 | /**************************************************************************//** |
2 | * @file core_cm1.h |
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3 | * @brief CMSIS Cortex-M1 Core Peripheral Access Layer Header File |
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4 | * @version V1.0.0 |
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5 | * @date 23. July 2018 |
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6 | ******************************************************************************/ |
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7 | /* |
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8 | * Copyright (c) 2009-2018 Arm Limited. All rights reserved. |
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9 | * |
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10 | * SPDX-License-Identifier: Apache-2.0 |
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11 | * |
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12 | * Licensed under the Apache License, Version 2.0 (the License); you may |
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13 | * not use this file except in compliance with the License. |
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14 | * You may obtain a copy of the License at |
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15 | * |
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16 | * www.apache.org/licenses/LICENSE-2.0 |
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17 | * |
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18 | * Unless required by applicable law or agreed to in writing, software |
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19 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
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20 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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21 | * See the License for the specific language governing permissions and |
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22 | * limitations under the License. |
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23 | */ |
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24 | |||
25 | #if defined ( __ICCARM__ ) |
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26 | #pragma system_include /* treat file as system include file for MISRA check */ |
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27 | #elif defined (__clang__) |
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28 | #pragma clang system_header /* treat file as system include file */ |
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29 | #endif |
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30 | |||
31 | #ifndef __CORE_CM1_H_GENERIC |
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32 | #define __CORE_CM1_H_GENERIC |
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33 | |||
34 | #include <stdint.h> |
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35 | |||
36 | #ifdef __cplusplus |
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37 | extern "C" { |
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38 | #endif |
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39 | |||
40 | /** |
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41 | \page CMSIS_MISRA_Exceptions MISRA-C:2004 Compliance Exceptions |
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42 | CMSIS violates the following MISRA-C:2004 rules: |
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43 | |||
44 | \li Required Rule 8.5, object/function definition in header file.<br> |
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45 | Function definitions in header files are used to allow 'inlining'. |
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46 | |||
47 | \li Required Rule 18.4, declaration of union type or object of union type: '{...}'.<br> |
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48 | Unions are used for effective representation of core registers. |
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49 | |||
50 | \li Advisory Rule 19.7, Function-like macro defined.<br> |
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51 | Function-like macros are used to allow more efficient code. |
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52 | */ |
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53 | |||
54 | |||
55 | /******************************************************************************* |
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56 | * CMSIS definitions |
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57 | ******************************************************************************/ |
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58 | /** |
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59 | \ingroup Cortex_M1 |
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60 | @{ |
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61 | */ |
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62 | |||
63 | #include "cmsis_version.h" |
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64 | |||
65 | /* CMSIS CM1 definitions */ |
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66 | #define __CM1_CMSIS_VERSION_MAIN (__CM_CMSIS_VERSION_MAIN) /*!< \deprecated [31:16] CMSIS HAL main version */ |
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67 | #define __CM1_CMSIS_VERSION_SUB (__CM_CMSIS_VERSION_SUB) /*!< \deprecated [15:0] CMSIS HAL sub version */ |
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68 | #define __CM1_CMSIS_VERSION ((__CM1_CMSIS_VERSION_MAIN << 16U) | \ |
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69 | __CM1_CMSIS_VERSION_SUB ) /*!< \deprecated CMSIS HAL version number */ |
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70 | |||
71 | #define __CORTEX_M (1U) /*!< Cortex-M Core */ |
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72 | |||
73 | /** __FPU_USED indicates whether an FPU is used or not. |
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74 | This core does not support an FPU at all |
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75 | */ |
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76 | #define __FPU_USED 0U |
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77 | |||
78 | #if defined ( __CC_ARM ) |
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79 | #if defined __TARGET_FPU_VFP |
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80 | #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
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81 | #endif |
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82 | |||
83 | #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) |
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84 | #if defined __ARM_PCS_VFP |
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85 | #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
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86 | #endif |
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87 | |||
88 | #elif defined ( __GNUC__ ) |
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89 | #if defined (__VFP_FP__) && !defined(__SOFTFP__) |
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90 | #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
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91 | #endif |
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92 | |||
93 | #elif defined ( __ICCARM__ ) |
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94 | #if defined __ARMVFP__ |
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95 | #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
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96 | #endif |
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97 | |||
98 | #elif defined ( __TI_ARM__ ) |
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99 | #if defined __TI_VFP_SUPPORT__ |
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100 | #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
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101 | #endif |
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102 | |||
103 | #elif defined ( __TASKING__ ) |
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104 | #if defined __FPU_VFP__ |
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105 | #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
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106 | #endif |
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107 | |||
108 | #elif defined ( __CSMC__ ) |
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109 | #if ( __CSMC__ & 0x400U) |
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110 | #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" |
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111 | #endif |
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112 | |||
113 | #endif |
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114 | |||
115 | #include "cmsis_compiler.h" /* CMSIS compiler specific defines */ |
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116 | |||
117 | |||
118 | #ifdef __cplusplus |
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119 | } |
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120 | #endif |
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121 | |||
122 | #endif /* __CORE_CM1_H_GENERIC */ |
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123 | |||
124 | #ifndef __CMSIS_GENERIC |
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125 | |||
126 | #ifndef __CORE_CM1_H_DEPENDANT |
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127 | #define __CORE_CM1_H_DEPENDANT |
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128 | |||
129 | #ifdef __cplusplus |
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130 | extern "C" { |
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131 | #endif |
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132 | |||
133 | /* check device defines and use defaults */ |
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134 | #if defined __CHECK_DEVICE_DEFINES |
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135 | #ifndef __CM1_REV |
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136 | #define __CM1_REV 0x0100U |
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137 | #warning "__CM1_REV not defined in device header file; using default!" |
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138 | #endif |
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139 | |||
140 | #ifndef __NVIC_PRIO_BITS |
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141 | #define __NVIC_PRIO_BITS 2U |
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142 | #warning "__NVIC_PRIO_BITS not defined in device header file; using default!" |
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143 | #endif |
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144 | |||
145 | #ifndef __Vendor_SysTickConfig |
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146 | #define __Vendor_SysTickConfig 0U |
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147 | #warning "__Vendor_SysTickConfig not defined in device header file; using default!" |
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148 | #endif |
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149 | #endif |
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150 | |||
151 | /* IO definitions (access restrictions to peripheral registers) */ |
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152 | /** |
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153 | \defgroup CMSIS_glob_defs CMSIS Global Defines |
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154 | |||
155 | <strong>IO Type Qualifiers</strong> are used |
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156 | \li to specify the access to peripheral variables. |
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157 | \li for automatic generation of peripheral register debug information. |
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158 | */ |
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159 | #ifdef __cplusplus |
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160 | #define __I volatile /*!< Defines 'read only' permissions */ |
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161 | #else |
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162 | #define __I volatile const /*!< Defines 'read only' permissions */ |
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163 | #endif |
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164 | #define __O volatile /*!< Defines 'write only' permissions */ |
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165 | #define __IO volatile /*!< Defines 'read / write' permissions */ |
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166 | |||
167 | /* following defines should be used for structure members */ |
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168 | #define __IM volatile const /*! Defines 'read only' structure member permissions */ |
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169 | #define __OM volatile /*! Defines 'write only' structure member permissions */ |
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170 | #define __IOM volatile /*! Defines 'read / write' structure member permissions */ |
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171 | |||
172 | /*@} end of group Cortex_M1 */ |
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173 | |||
174 | |||
175 | |||
176 | /******************************************************************************* |
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177 | * Register Abstraction |
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178 | Core Register contain: |
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179 | - Core Register |
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180 | - Core NVIC Register |
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181 | - Core SCB Register |
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182 | - Core SysTick Register |
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183 | ******************************************************************************/ |
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184 | /** |
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185 | \defgroup CMSIS_core_register Defines and Type Definitions |
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186 | \brief Type definitions and defines for Cortex-M processor based devices. |
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187 | */ |
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188 | |||
189 | /** |
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190 | \ingroup CMSIS_core_register |
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191 | \defgroup CMSIS_CORE Status and Control Registers |
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192 | \brief Core Register type definitions. |
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193 | @{ |
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194 | */ |
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195 | |||
196 | /** |
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197 | \brief Union type to access the Application Program Status Register (APSR). |
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198 | */ |
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199 | typedef union |
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200 | { |
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201 | struct |
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202 | { |
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203 | uint32_t _reserved0:28; /*!< bit: 0..27 Reserved */ |
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204 | uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ |
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205 | uint32_t C:1; /*!< bit: 29 Carry condition code flag */ |
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206 | uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ |
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207 | uint32_t N:1; /*!< bit: 31 Negative condition code flag */ |
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208 | } b; /*!< Structure used for bit access */ |
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209 | uint32_t w; /*!< Type used for word access */ |
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210 | } APSR_Type; |
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211 | |||
212 | /* APSR Register Definitions */ |
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213 | #define APSR_N_Pos 31U /*!< APSR: N Position */ |
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214 | #define APSR_N_Msk (1UL << APSR_N_Pos) /*!< APSR: N Mask */ |
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215 | |||
216 | #define APSR_Z_Pos 30U /*!< APSR: Z Position */ |
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217 | #define APSR_Z_Msk (1UL << APSR_Z_Pos) /*!< APSR: Z Mask */ |
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218 | |||
219 | #define APSR_C_Pos 29U /*!< APSR: C Position */ |
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220 | #define APSR_C_Msk (1UL << APSR_C_Pos) /*!< APSR: C Mask */ |
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221 | |||
222 | #define APSR_V_Pos 28U /*!< APSR: V Position */ |
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223 | #define APSR_V_Msk (1UL << APSR_V_Pos) /*!< APSR: V Mask */ |
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224 | |||
225 | |||
226 | /** |
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227 | \brief Union type to access the Interrupt Program Status Register (IPSR). |
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228 | */ |
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229 | typedef union |
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230 | { |
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231 | struct |
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232 | { |
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233 | uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ |
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234 | uint32_t _reserved0:23; /*!< bit: 9..31 Reserved */ |
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235 | } b; /*!< Structure used for bit access */ |
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236 | uint32_t w; /*!< Type used for word access */ |
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237 | } IPSR_Type; |
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238 | |||
239 | /* IPSR Register Definitions */ |
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240 | #define IPSR_ISR_Pos 0U /*!< IPSR: ISR Position */ |
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241 | #define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) /*!< IPSR: ISR Mask */ |
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242 | |||
243 | |||
244 | /** |
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245 | \brief Union type to access the Special-Purpose Program Status Registers (xPSR). |
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246 | */ |
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247 | typedef union |
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248 | { |
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249 | struct |
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250 | { |
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251 | uint32_t ISR:9; /*!< bit: 0.. 8 Exception number */ |
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252 | uint32_t _reserved0:15; /*!< bit: 9..23 Reserved */ |
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253 | uint32_t T:1; /*!< bit: 24 Thumb bit (read 0) */ |
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254 | uint32_t _reserved1:3; /*!< bit: 25..27 Reserved */ |
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255 | uint32_t V:1; /*!< bit: 28 Overflow condition code flag */ |
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256 | uint32_t C:1; /*!< bit: 29 Carry condition code flag */ |
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257 | uint32_t Z:1; /*!< bit: 30 Zero condition code flag */ |
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258 | uint32_t N:1; /*!< bit: 31 Negative condition code flag */ |
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259 | } b; /*!< Structure used for bit access */ |
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260 | uint32_t w; /*!< Type used for word access */ |
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261 | } xPSR_Type; |
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262 | |||
263 | /* xPSR Register Definitions */ |
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264 | #define xPSR_N_Pos 31U /*!< xPSR: N Position */ |
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265 | #define xPSR_N_Msk (1UL << xPSR_N_Pos) /*!< xPSR: N Mask */ |
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266 | |||
267 | #define xPSR_Z_Pos 30U /*!< xPSR: Z Position */ |
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268 | #define xPSR_Z_Msk (1UL << xPSR_Z_Pos) /*!< xPSR: Z Mask */ |
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269 | |||
270 | #define xPSR_C_Pos 29U /*!< xPSR: C Position */ |
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271 | #define xPSR_C_Msk (1UL << xPSR_C_Pos) /*!< xPSR: C Mask */ |
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272 | |||
273 | #define xPSR_V_Pos 28U /*!< xPSR: V Position */ |
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274 | #define xPSR_V_Msk (1UL << xPSR_V_Pos) /*!< xPSR: V Mask */ |
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275 | |||
276 | #define xPSR_T_Pos 24U /*!< xPSR: T Position */ |
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277 | #define xPSR_T_Msk (1UL << xPSR_T_Pos) /*!< xPSR: T Mask */ |
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278 | |||
279 | #define xPSR_ISR_Pos 0U /*!< xPSR: ISR Position */ |
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280 | #define xPSR_ISR_Msk (0x1FFUL /*<< xPSR_ISR_Pos*/) /*!< xPSR: ISR Mask */ |
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281 | |||
282 | |||
283 | /** |
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284 | \brief Union type to access the Control Registers (CONTROL). |
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285 | */ |
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286 | typedef union |
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287 | { |
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288 | struct |
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289 | { |
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290 | uint32_t _reserved0:1; /*!< bit: 0 Reserved */ |
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291 | uint32_t SPSEL:1; /*!< bit: 1 Stack to be used */ |
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292 | uint32_t _reserved1:30; /*!< bit: 2..31 Reserved */ |
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293 | } b; /*!< Structure used for bit access */ |
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294 | uint32_t w; /*!< Type used for word access */ |
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295 | } CONTROL_Type; |
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296 | |||
297 | /* CONTROL Register Definitions */ |
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298 | #define CONTROL_SPSEL_Pos 1U /*!< CONTROL: SPSEL Position */ |
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299 | #define CONTROL_SPSEL_Msk (1UL << CONTROL_SPSEL_Pos) /*!< CONTROL: SPSEL Mask */ |
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300 | |||
301 | /*@} end of group CMSIS_CORE */ |
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302 | |||
303 | |||
304 | /** |
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305 | \ingroup CMSIS_core_register |
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306 | \defgroup CMSIS_NVIC Nested Vectored Interrupt Controller (NVIC) |
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307 | \brief Type definitions for the NVIC Registers |
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308 | @{ |
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309 | */ |
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310 | |||
311 | /** |
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312 | \brief Structure type to access the Nested Vectored Interrupt Controller (NVIC). |
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313 | */ |
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314 | typedef struct |
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315 | { |
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316 | __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ |
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317 | uint32_t RESERVED0[31U]; |
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318 | __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ |
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319 | uint32_t RSERVED1[31U]; |
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320 | __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ |
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321 | uint32_t RESERVED2[31U]; |
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322 | __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ |
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323 | uint32_t RESERVED3[31U]; |
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324 | uint32_t RESERVED4[64U]; |
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325 | __IOM uint32_t IP[8U]; /*!< Offset: 0x300 (R/W) Interrupt Priority Register */ |
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326 | } NVIC_Type; |
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327 | |||
328 | /*@} end of group CMSIS_NVIC */ |
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329 | |||
330 | |||
331 | /** |
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332 | \ingroup CMSIS_core_register |
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333 | \defgroup CMSIS_SCB System Control Block (SCB) |
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334 | \brief Type definitions for the System Control Block Registers |
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335 | @{ |
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336 | */ |
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337 | |||
338 | /** |
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339 | \brief Structure type to access the System Control Block (SCB). |
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340 | */ |
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341 | typedef struct |
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342 | { |
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343 | __IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */ |
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344 | __IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */ |
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345 | uint32_t RESERVED0; |
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346 | __IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */ |
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347 | __IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */ |
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348 | __IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */ |
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349 | uint32_t RESERVED1; |
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350 | __IOM uint32_t SHP[2U]; /*!< Offset: 0x01C (R/W) System Handlers Priority Registers. [0] is RESERVED */ |
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351 | __IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */ |
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352 | } SCB_Type; |
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353 | |||
354 | /* SCB CPUID Register Definitions */ |
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355 | #define SCB_CPUID_IMPLEMENTER_Pos 24U /*!< SCB CPUID: IMPLEMENTER Position */ |
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356 | #define SCB_CPUID_IMPLEMENTER_Msk (0xFFUL << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */ |
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357 | |||
358 | #define SCB_CPUID_VARIANT_Pos 20U /*!< SCB CPUID: VARIANT Position */ |
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359 | #define SCB_CPUID_VARIANT_Msk (0xFUL << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */ |
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360 | |||
361 | #define SCB_CPUID_ARCHITECTURE_Pos 16U /*!< SCB CPUID: ARCHITECTURE Position */ |
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362 | #define SCB_CPUID_ARCHITECTURE_Msk (0xFUL << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */ |
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363 | |||
364 | #define SCB_CPUID_PARTNO_Pos 4U /*!< SCB CPUID: PARTNO Position */ |
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365 | #define SCB_CPUID_PARTNO_Msk (0xFFFUL << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */ |
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366 | |||
367 | #define SCB_CPUID_REVISION_Pos 0U /*!< SCB CPUID: REVISION Position */ |
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368 | #define SCB_CPUID_REVISION_Msk (0xFUL /*<< SCB_CPUID_REVISION_Pos*/) /*!< SCB CPUID: REVISION Mask */ |
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369 | |||
370 | /* SCB Interrupt Control State Register Definitions */ |
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371 | #define SCB_ICSR_NMIPENDSET_Pos 31U /*!< SCB ICSR: NMIPENDSET Position */ |
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372 | #define SCB_ICSR_NMIPENDSET_Msk (1UL << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */ |
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373 | |||
374 | #define SCB_ICSR_PENDSVSET_Pos 28U /*!< SCB ICSR: PENDSVSET Position */ |
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375 | #define SCB_ICSR_PENDSVSET_Msk (1UL << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */ |
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376 | |||
377 | #define SCB_ICSR_PENDSVCLR_Pos 27U /*!< SCB ICSR: PENDSVCLR Position */ |
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378 | #define SCB_ICSR_PENDSVCLR_Msk (1UL << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */ |
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379 | |||
380 | #define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */ |
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381 | #define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */ |
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382 | |||
383 | #define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */ |
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384 | #define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */ |
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385 | |||
386 | #define SCB_ICSR_ISRPREEMPT_Pos 23U /*!< SCB ICSR: ISRPREEMPT Position */ |
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387 | #define SCB_ICSR_ISRPREEMPT_Msk (1UL << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */ |
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388 | |||
389 | #define SCB_ICSR_ISRPENDING_Pos 22U /*!< SCB ICSR: ISRPENDING Position */ |
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390 | #define SCB_ICSR_ISRPENDING_Msk (1UL << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */ |
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391 | |||
392 | #define SCB_ICSR_VECTPENDING_Pos 12U /*!< SCB ICSR: VECTPENDING Position */ |
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393 | #define SCB_ICSR_VECTPENDING_Msk (0x1FFUL << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */ |
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394 | |||
395 | #define SCB_ICSR_VECTACTIVE_Pos 0U /*!< SCB ICSR: VECTACTIVE Position */ |
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396 | #define SCB_ICSR_VECTACTIVE_Msk (0x1FFUL /*<< SCB_ICSR_VECTACTIVE_Pos*/) /*!< SCB ICSR: VECTACTIVE Mask */ |
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397 | |||
398 | /* SCB Application Interrupt and Reset Control Register Definitions */ |
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399 | #define SCB_AIRCR_VECTKEY_Pos 16U /*!< SCB AIRCR: VECTKEY Position */ |
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400 | #define SCB_AIRCR_VECTKEY_Msk (0xFFFFUL << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */ |
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401 | |||
402 | #define SCB_AIRCR_VECTKEYSTAT_Pos 16U /*!< SCB AIRCR: VECTKEYSTAT Position */ |
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403 | #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFUL << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */ |
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404 | |||
405 | #define SCB_AIRCR_ENDIANESS_Pos 15U /*!< SCB AIRCR: ENDIANESS Position */ |
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406 | #define SCB_AIRCR_ENDIANESS_Msk (1UL << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */ |
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407 | |||
408 | #define SCB_AIRCR_SYSRESETREQ_Pos 2U /*!< SCB AIRCR: SYSRESETREQ Position */ |
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409 | #define SCB_AIRCR_SYSRESETREQ_Msk (1UL << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */ |
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410 | |||
411 | #define SCB_AIRCR_VECTCLRACTIVE_Pos 1U /*!< SCB AIRCR: VECTCLRACTIVE Position */ |
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412 | #define SCB_AIRCR_VECTCLRACTIVE_Msk (1UL << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */ |
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413 | |||
414 | /* SCB System Control Register Definitions */ |
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415 | #define SCB_SCR_SEVONPEND_Pos 4U /*!< SCB SCR: SEVONPEND Position */ |
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416 | #define SCB_SCR_SEVONPEND_Msk (1UL << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */ |
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417 | |||
418 | #define SCB_SCR_SLEEPDEEP_Pos 2U /*!< SCB SCR: SLEEPDEEP Position */ |
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419 | #define SCB_SCR_SLEEPDEEP_Msk (1UL << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */ |
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420 | |||
421 | #define SCB_SCR_SLEEPONEXIT_Pos 1U /*!< SCB SCR: SLEEPONEXIT Position */ |
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422 | #define SCB_SCR_SLEEPONEXIT_Msk (1UL << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */ |
||
423 | |||
424 | /* SCB Configuration Control Register Definitions */ |
||
425 | #define SCB_CCR_STKALIGN_Pos 9U /*!< SCB CCR: STKALIGN Position */ |
||
426 | #define SCB_CCR_STKALIGN_Msk (1UL << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */ |
||
427 | |||
428 | #define SCB_CCR_UNALIGN_TRP_Pos 3U /*!< SCB CCR: UNALIGN_TRP Position */ |
||
429 | #define SCB_CCR_UNALIGN_TRP_Msk (1UL << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */ |
||
430 | |||
431 | /* SCB System Handler Control and State Register Definitions */ |
||
432 | #define SCB_SHCSR_SVCALLPENDED_Pos 15U /*!< SCB SHCSR: SVCALLPENDED Position */ |
||
433 | #define SCB_SHCSR_SVCALLPENDED_Msk (1UL << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */ |
||
434 | |||
435 | /*@} end of group CMSIS_SCB */ |
||
436 | |||
437 | |||
438 | /** |
||
439 | \ingroup CMSIS_core_register |
||
440 | \defgroup CMSIS_SCnSCB System Controls not in SCB (SCnSCB) |
||
441 | \brief Type definitions for the System Control and ID Register not in the SCB |
||
442 | @{ |
||
443 | */ |
||
444 | |||
445 | /** |
||
446 | \brief Structure type to access the System Control and ID Register not in the SCB. |
||
447 | */ |
||
448 | typedef struct |
||
449 | { |
||
450 | uint32_t RESERVED0[2U]; |
||
451 | __IOM uint32_t ACTLR; /*!< Offset: 0x008 (R/W) Auxiliary Control Register */ |
||
452 | } SCnSCB_Type; |
||
453 | |||
454 | /* Auxiliary Control Register Definitions */ |
||
455 | #define SCnSCB_ACTLR_ITCMUAEN_Pos 4U /*!< ACTLR: Instruction TCM Upper Alias Enable Position */ |
||
456 | #define SCnSCB_ACTLR_ITCMUAEN_Msk (1UL << SCnSCB_ACTLR_ITCMUAEN_Pos) /*!< ACTLR: Instruction TCM Upper Alias Enable Mask */ |
||
457 | |||
458 | #define SCnSCB_ACTLR_ITCMLAEN_Pos 3U /*!< ACTLR: Instruction TCM Lower Alias Enable Position */ |
||
459 | #define SCnSCB_ACTLR_ITCMLAEN_Msk (1UL << SCnSCB_ACTLR_ITCMLAEN_Pos) /*!< ACTLR: Instruction TCM Lower Alias Enable Mask */ |
||
460 | |||
461 | /*@} end of group CMSIS_SCnotSCB */ |
||
462 | |||
463 | |||
464 | /** |
||
465 | \ingroup CMSIS_core_register |
||
466 | \defgroup CMSIS_SysTick System Tick Timer (SysTick) |
||
467 | \brief Type definitions for the System Timer Registers. |
||
468 | @{ |
||
469 | */ |
||
470 | |||
471 | /** |
||
472 | \brief Structure type to access the System Timer (SysTick). |
||
473 | */ |
||
474 | typedef struct |
||
475 | { |
||
476 | __IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */ |
||
477 | __IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */ |
||
478 | __IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */ |
||
479 | __IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */ |
||
480 | } SysTick_Type; |
||
481 | |||
482 | /* SysTick Control / Status Register Definitions */ |
||
483 | #define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */ |
||
484 | #define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */ |
||
485 | |||
486 | #define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */ |
||
487 | #define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */ |
||
488 | |||
489 | #define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */ |
||
490 | #define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */ |
||
491 | |||
492 | #define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */ |
||
493 | #define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */ |
||
494 | |||
495 | /* SysTick Reload Register Definitions */ |
||
496 | #define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */ |
||
497 | #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */ |
||
498 | |||
499 | /* SysTick Current Register Definitions */ |
||
500 | #define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */ |
||
501 | #define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */ |
||
502 | |||
503 | /* SysTick Calibration Register Definitions */ |
||
504 | #define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */ |
||
505 | #define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */ |
||
506 | |||
507 | #define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */ |
||
508 | #define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */ |
||
509 | |||
510 | #define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */ |
||
511 | #define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */ |
||
512 | |||
513 | /*@} end of group CMSIS_SysTick */ |
||
514 | |||
515 | |||
516 | /** |
||
517 | \ingroup CMSIS_core_register |
||
518 | \defgroup CMSIS_CoreDebug Core Debug Registers (CoreDebug) |
||
519 | \brief Cortex-M1 Core Debug Registers (DCB registers, SHCSR, and DFSR) are only accessible over DAP and not via processor. |
||
520 | Therefore they are not covered by the Cortex-M1 header file. |
||
521 | @{ |
||
522 | */ |
||
523 | /*@} end of group CMSIS_CoreDebug */ |
||
524 | |||
525 | |||
526 | /** |
||
527 | \ingroup CMSIS_core_register |
||
528 | \defgroup CMSIS_core_bitfield Core register bit field macros |
||
529 | \brief Macros for use with bit field definitions (xxx_Pos, xxx_Msk). |
||
530 | @{ |
||
531 | */ |
||
532 | |||
533 | /** |
||
534 | \brief Mask and shift a bit field value for use in a register bit range. |
||
535 | \param[in] field Name of the register bit field. |
||
536 | \param[in] value Value of the bit field. This parameter is interpreted as an uint32_t type. |
||
537 | \return Masked and shifted value. |
||
538 | */ |
||
539 | #define _VAL2FLD(field, value) (((uint32_t)(value) << field ## _Pos) & field ## _Msk) |
||
540 | |||
541 | /** |
||
542 | \brief Mask and shift a register value to extract a bit filed value. |
||
543 | \param[in] field Name of the register bit field. |
||
544 | \param[in] value Value of register. This parameter is interpreted as an uint32_t type. |
||
545 | \return Masked and shifted bit field value. |
||
546 | */ |
||
547 | #define _FLD2VAL(field, value) (((uint32_t)(value) & field ## _Msk) >> field ## _Pos) |
||
548 | |||
549 | /*@} end of group CMSIS_core_bitfield */ |
||
550 | |||
551 | |||
552 | /** |
||
553 | \ingroup CMSIS_core_register |
||
554 | \defgroup CMSIS_core_base Core Definitions |
||
555 | \brief Definitions for base addresses, unions, and structures. |
||
556 | @{ |
||
557 | */ |
||
558 | |||
559 | /* Memory mapping of Core Hardware */ |
||
560 | #define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */ |
||
561 | #define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */ |
||
562 | #define NVIC_BASE (SCS_BASE + 0x0100UL) /*!< NVIC Base Address */ |
||
563 | #define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */ |
||
564 | |||
565 | #define SCnSCB ((SCnSCB_Type *) SCS_BASE ) /*!< System control Register not in SCB */ |
||
566 | #define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */ |
||
567 | #define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */ |
||
568 | #define NVIC ((NVIC_Type *) NVIC_BASE ) /*!< NVIC configuration struct */ |
||
569 | |||
570 | |||
571 | /*@} */ |
||
572 | |||
573 | |||
574 | |||
575 | /******************************************************************************* |
||
576 | * Hardware Abstraction Layer |
||
577 | Core Function Interface contains: |
||
578 | - Core NVIC Functions |
||
579 | - Core SysTick Functions |
||
580 | - Core Register Access Functions |
||
581 | ******************************************************************************/ |
||
582 | /** |
||
583 | \defgroup CMSIS_Core_FunctionInterface Functions and Instructions Reference |
||
584 | */ |
||
585 | |||
586 | |||
587 | |||
588 | /* ########################## NVIC functions #################################### */ |
||
589 | /** |
||
590 | \ingroup CMSIS_Core_FunctionInterface |
||
591 | \defgroup CMSIS_Core_NVICFunctions NVIC Functions |
||
592 | \brief Functions that manage interrupts and exceptions via the NVIC. |
||
593 | @{ |
||
594 | */ |
||
595 | |||
596 | #ifdef CMSIS_NVIC_VIRTUAL |
||
597 | #ifndef CMSIS_NVIC_VIRTUAL_HEADER_FILE |
||
598 | #define CMSIS_NVIC_VIRTUAL_HEADER_FILE "cmsis_nvic_virtual.h" |
||
599 | #endif |
||
600 | #include CMSIS_NVIC_VIRTUAL_HEADER_FILE |
||
601 | #else |
||
602 | #define NVIC_SetPriorityGrouping __NVIC_SetPriorityGrouping |
||
603 | #define NVIC_GetPriorityGrouping __NVIC_GetPriorityGrouping |
||
604 | #define NVIC_EnableIRQ __NVIC_EnableIRQ |
||
605 | #define NVIC_GetEnableIRQ __NVIC_GetEnableIRQ |
||
606 | #define NVIC_DisableIRQ __NVIC_DisableIRQ |
||
607 | #define NVIC_GetPendingIRQ __NVIC_GetPendingIRQ |
||
608 | #define NVIC_SetPendingIRQ __NVIC_SetPendingIRQ |
||
609 | #define NVIC_ClearPendingIRQ __NVIC_ClearPendingIRQ |
||
610 | /*#define NVIC_GetActive __NVIC_GetActive not available for Cortex-M1 */ |
||
611 | #define NVIC_SetPriority __NVIC_SetPriority |
||
612 | #define NVIC_GetPriority __NVIC_GetPriority |
||
613 | #define NVIC_SystemReset __NVIC_SystemReset |
||
614 | #endif /* CMSIS_NVIC_VIRTUAL */ |
||
615 | |||
616 | #ifdef CMSIS_VECTAB_VIRTUAL |
||
617 | #ifndef CMSIS_VECTAB_VIRTUAL_HEADER_FILE |
||
618 | #define CMSIS_VECTAB_VIRTUAL_HEADER_FILE "cmsis_vectab_virtual.h" |
||
619 | #endif |
||
620 | #include CMSIS_VECTAB_VIRTUAL_HEADER_FILE |
||
621 | #else |
||
622 | #define NVIC_SetVector __NVIC_SetVector |
||
623 | #define NVIC_GetVector __NVIC_GetVector |
||
624 | #endif /* (CMSIS_VECTAB_VIRTUAL) */ |
||
625 | |||
626 | #define NVIC_USER_IRQ_OFFSET 16 |
||
627 | |||
628 | |||
629 | /* The following EXC_RETURN values are saved the LR on exception entry */ |
||
630 | #define EXC_RETURN_HANDLER (0xFFFFFFF1UL) /* return to Handler mode, uses MSP after return */ |
||
631 | #define EXC_RETURN_THREAD_MSP (0xFFFFFFF9UL) /* return to Thread mode, uses MSP after return */ |
||
632 | #define EXC_RETURN_THREAD_PSP (0xFFFFFFFDUL) /* return to Thread mode, uses PSP after return */ |
||
633 | |||
634 | |||
635 | /* Interrupt Priorities are WORD accessible only under Armv6-M */ |
||
636 | /* The following MACROS handle generation of the register offset and byte masks */ |
||
637 | #define _BIT_SHIFT(IRQn) ( ((((uint32_t)(int32_t)(IRQn)) ) & 0x03UL) * 8UL) |
||
638 | #define _SHP_IDX(IRQn) ( (((((uint32_t)(int32_t)(IRQn)) & 0x0FUL)-8UL) >> 2UL) ) |
||
639 | #define _IP_IDX(IRQn) ( (((uint32_t)(int32_t)(IRQn)) >> 2UL) ) |
||
640 | |||
641 | #define __NVIC_SetPriorityGrouping(X) (void)(X) |
||
642 | #define __NVIC_GetPriorityGrouping() (0U) |
||
643 | |||
644 | /** |
||
645 | \brief Enable Interrupt |
||
646 | \details Enables a device specific interrupt in the NVIC interrupt controller. |
||
647 | \param [in] IRQn Device specific interrupt number. |
||
648 | \note IRQn must not be negative. |
||
649 | */ |
||
650 | __STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn) |
||
651 | { |
||
652 | if ((int32_t)(IRQn) >= 0) |
||
653 | { |
||
654 | NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); |
||
655 | } |
||
656 | } |
||
657 | |||
658 | |||
659 | /** |
||
660 | \brief Get Interrupt Enable status |
||
661 | \details Returns a device specific interrupt enable status from the NVIC interrupt controller. |
||
662 | \param [in] IRQn Device specific interrupt number. |
||
663 | \return 0 Interrupt is not enabled. |
||
664 | \return 1 Interrupt is enabled. |
||
665 | \note IRQn must not be negative. |
||
666 | */ |
||
667 | __STATIC_INLINE uint32_t __NVIC_GetEnableIRQ(IRQn_Type IRQn) |
||
668 | { |
||
669 | if ((int32_t)(IRQn) >= 0) |
||
670 | { |
||
671 | return((uint32_t)(((NVIC->ISER[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL)); |
||
672 | } |
||
673 | else |
||
674 | { |
||
675 | return(0U); |
||
676 | } |
||
677 | } |
||
678 | |||
679 | |||
680 | /** |
||
681 | \brief Disable Interrupt |
||
682 | \details Disables a device specific interrupt in the NVIC interrupt controller. |
||
683 | \param [in] IRQn Device specific interrupt number. |
||
684 | \note IRQn must not be negative. |
||
685 | */ |
||
686 | __STATIC_INLINE void __NVIC_DisableIRQ(IRQn_Type IRQn) |
||
687 | { |
||
688 | if ((int32_t)(IRQn) >= 0) |
||
689 | { |
||
690 | NVIC->ICER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); |
||
691 | __DSB(); |
||
692 | __ISB(); |
||
693 | } |
||
694 | } |
||
695 | |||
696 | |||
697 | /** |
||
698 | \brief Get Pending Interrupt |
||
699 | \details Reads the NVIC pending register and returns the pending bit for the specified device specific interrupt. |
||
700 | \param [in] IRQn Device specific interrupt number. |
||
701 | \return 0 Interrupt status is not pending. |
||
702 | \return 1 Interrupt status is pending. |
||
703 | \note IRQn must not be negative. |
||
704 | */ |
||
705 | __STATIC_INLINE uint32_t __NVIC_GetPendingIRQ(IRQn_Type IRQn) |
||
706 | { |
||
707 | if ((int32_t)(IRQn) >= 0) |
||
708 | { |
||
709 | return((uint32_t)(((NVIC->ISPR[0U] & (1UL << (((uint32_t)IRQn) & 0x1FUL))) != 0UL) ? 1UL : 0UL)); |
||
710 | } |
||
711 | else |
||
712 | { |
||
713 | return(0U); |
||
714 | } |
||
715 | } |
||
716 | |||
717 | |||
718 | /** |
||
719 | \brief Set Pending Interrupt |
||
720 | \details Sets the pending bit of a device specific interrupt in the NVIC pending register. |
||
721 | \param [in] IRQn Device specific interrupt number. |
||
722 | \note IRQn must not be negative. |
||
723 | */ |
||
724 | __STATIC_INLINE void __NVIC_SetPendingIRQ(IRQn_Type IRQn) |
||
725 | { |
||
726 | if ((int32_t)(IRQn) >= 0) |
||
727 | { |
||
728 | NVIC->ISPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); |
||
729 | } |
||
730 | } |
||
731 | |||
732 | |||
733 | /** |
||
734 | \brief Clear Pending Interrupt |
||
735 | \details Clears the pending bit of a device specific interrupt in the NVIC pending register. |
||
736 | \param [in] IRQn Device specific interrupt number. |
||
737 | \note IRQn must not be negative. |
||
738 | */ |
||
739 | __STATIC_INLINE void __NVIC_ClearPendingIRQ(IRQn_Type IRQn) |
||
740 | { |
||
741 | if ((int32_t)(IRQn) >= 0) |
||
742 | { |
||
743 | NVIC->ICPR[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); |
||
744 | } |
||
745 | } |
||
746 | |||
747 | |||
748 | /** |
||
749 | \brief Set Interrupt Priority |
||
750 | \details Sets the priority of a device specific interrupt or a processor exception. |
||
751 | The interrupt number can be positive to specify a device specific interrupt, |
||
752 | or negative to specify a processor exception. |
||
753 | \param [in] IRQn Interrupt number. |
||
754 | \param [in] priority Priority to set. |
||
755 | \note The priority cannot be set for every processor exception. |
||
756 | */ |
||
757 | __STATIC_INLINE void __NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) |
||
758 | { |
||
759 | if ((int32_t)(IRQn) >= 0) |
||
760 | { |
||
761 | NVIC->IP[_IP_IDX(IRQn)] = ((uint32_t)(NVIC->IP[_IP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | |
||
762 | (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); |
||
763 | } |
||
764 | else |
||
765 | { |
||
766 | SCB->SHP[_SHP_IDX(IRQn)] = ((uint32_t)(SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFFUL << _BIT_SHIFT(IRQn))) | |
||
767 | (((priority << (8U - __NVIC_PRIO_BITS)) & (uint32_t)0xFFUL) << _BIT_SHIFT(IRQn))); |
||
768 | } |
||
769 | } |
||
770 | |||
771 | |||
772 | /** |
||
773 | \brief Get Interrupt Priority |
||
774 | \details Reads the priority of a device specific interrupt or a processor exception. |
||
775 | The interrupt number can be positive to specify a device specific interrupt, |
||
776 | or negative to specify a processor exception. |
||
777 | \param [in] IRQn Interrupt number. |
||
778 | \return Interrupt Priority. |
||
779 | Value is aligned automatically to the implemented priority bits of the microcontroller. |
||
780 | */ |
||
781 | __STATIC_INLINE uint32_t __NVIC_GetPriority(IRQn_Type IRQn) |
||
782 | { |
||
783 | |||
784 | if ((int32_t)(IRQn) >= 0) |
||
785 | { |
||
786 | return((uint32_t)(((NVIC->IP[ _IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS))); |
||
787 | } |
||
788 | else |
||
789 | { |
||
790 | return((uint32_t)(((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) & (uint32_t)0xFFUL) >> (8U - __NVIC_PRIO_BITS))); |
||
791 | } |
||
792 | } |
||
793 | |||
794 | |||
795 | /** |
||
796 | \brief Encode Priority |
||
797 | \details Encodes the priority for an interrupt with the given priority group, |
||
798 | preemptive priority value, and subpriority value. |
||
799 | In case of a conflict between priority grouping and available |
||
800 | priority bits (__NVIC_PRIO_BITS), the smallest possible priority group is set. |
||
801 | \param [in] PriorityGroup Used priority group. |
||
802 | \param [in] PreemptPriority Preemptive priority value (starting from 0). |
||
803 | \param [in] SubPriority Subpriority value (starting from 0). |
||
804 | \return Encoded priority. Value can be used in the function \ref NVIC_SetPriority(). |
||
805 | */ |
||
806 | __STATIC_INLINE uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority) |
||
807 | { |
||
808 | uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL); /* only values 0..7 are used */ |
||
809 | uint32_t PreemptPriorityBits; |
||
810 | uint32_t SubPriorityBits; |
||
811 | |||
812 | PreemptPriorityBits = ((7UL - PriorityGroupTmp) > (uint32_t)(__NVIC_PRIO_BITS)) ? (uint32_t)(__NVIC_PRIO_BITS) : (uint32_t)(7UL - PriorityGroupTmp); |
||
813 | SubPriorityBits = ((PriorityGroupTmp + (uint32_t)(__NVIC_PRIO_BITS)) < (uint32_t)7UL) ? (uint32_t)0UL : (uint32_t)((PriorityGroupTmp - 7UL) + (uint32_t)(__NVIC_PRIO_BITS)); |
||
814 | |||
815 | return ( |
||
816 | ((PreemptPriority & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL)) << SubPriorityBits) | |
||
817 | ((SubPriority & (uint32_t)((1UL << (SubPriorityBits )) - 1UL))) |
||
818 | ); |
||
819 | } |
||
820 | |||
821 | |||
822 | /** |
||
823 | \brief Decode Priority |
||
824 | \details Decodes an interrupt priority value with a given priority group to |
||
825 | preemptive priority value and subpriority value. |
||
826 | In case of a conflict between priority grouping and available |
||
827 | priority bits (__NVIC_PRIO_BITS) the smallest possible priority group is set. |
||
828 | \param [in] Priority Priority value, which can be retrieved with the function \ref NVIC_GetPriority(). |
||
829 | \param [in] PriorityGroup Used priority group. |
||
830 | \param [out] pPreemptPriority Preemptive priority value (starting from 0). |
||
831 | \param [out] pSubPriority Subpriority value (starting from 0). |
||
832 | */ |
||
833 | __STATIC_INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* const pPreemptPriority, uint32_t* const pSubPriority) |
||
834 | { |
||
835 | uint32_t PriorityGroupTmp = (PriorityGroup & (uint32_t)0x07UL); /* only values 0..7 are used */ |
||
836 | uint32_t PreemptPriorityBits; |
||
837 | uint32_t SubPriorityBits; |
||
838 | |||
839 | PreemptPriorityBits = ((7UL - PriorityGroupTmp) > (uint32_t)(__NVIC_PRIO_BITS)) ? (uint32_t)(__NVIC_PRIO_BITS) : (uint32_t)(7UL - PriorityGroupTmp); |
||
840 | SubPriorityBits = ((PriorityGroupTmp + (uint32_t)(__NVIC_PRIO_BITS)) < (uint32_t)7UL) ? (uint32_t)0UL : (uint32_t)((PriorityGroupTmp - 7UL) + (uint32_t)(__NVIC_PRIO_BITS)); |
||
841 | |||
842 | *pPreemptPriority = (Priority >> SubPriorityBits) & (uint32_t)((1UL << (PreemptPriorityBits)) - 1UL); |
||
843 | *pSubPriority = (Priority ) & (uint32_t)((1UL << (SubPriorityBits )) - 1UL); |
||
844 | } |
||
845 | |||
846 | |||
847 | |||
848 | /** |
||
849 | \brief Set Interrupt Vector |
||
850 | \details Sets an interrupt vector in SRAM based interrupt vector table. |
||
851 | The interrupt number can be positive to specify a device specific interrupt, |
||
852 | or negative to specify a processor exception. |
||
853 | Address 0 must be mapped to SRAM. |
||
854 | \param [in] IRQn Interrupt number |
||
855 | \param [in] vector Address of interrupt handler function |
||
856 | */ |
||
857 | __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) |
||
858 | { |
||
859 | uint32_t *vectors = (uint32_t *)0x0U; |
||
860 | vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector; |
||
861 | } |
||
862 | |||
863 | |||
864 | /** |
||
865 | \brief Get Interrupt Vector |
||
866 | \details Reads an interrupt vector from interrupt vector table. |
||
867 | The interrupt number can be positive to specify a device specific interrupt, |
||
868 | or negative to specify a processor exception. |
||
869 | \param [in] IRQn Interrupt number. |
||
870 | \return Address of interrupt handler function |
||
871 | */ |
||
872 | __STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn) |
||
873 | { |
||
874 | uint32_t *vectors = (uint32_t *)0x0U; |
||
875 | return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET]; |
||
876 | } |
||
877 | |||
878 | |||
879 | /** |
||
880 | \brief System Reset |
||
881 | \details Initiates a system reset request to reset the MCU. |
||
882 | */ |
||
883 | __NO_RETURN __STATIC_INLINE void __NVIC_SystemReset(void) |
||
884 | { |
||
885 | __DSB(); /* Ensure all outstanding memory accesses included |
||
886 | buffered write are completed before reset */ |
||
887 | SCB->AIRCR = ((0x5FAUL << SCB_AIRCR_VECTKEY_Pos) | |
||
888 | SCB_AIRCR_SYSRESETREQ_Msk); |
||
889 | __DSB(); /* Ensure completion of memory access */ |
||
890 | |||
891 | for(;;) /* wait until reset */ |
||
892 | { |
||
893 | __NOP(); |
||
894 | } |
||
895 | } |
||
896 | |||
897 | /*@} end of CMSIS_Core_NVICFunctions */ |
||
898 | |||
899 | |||
900 | /* ########################## FPU functions #################################### */ |
||
901 | /** |
||
902 | \ingroup CMSIS_Core_FunctionInterface |
||
903 | \defgroup CMSIS_Core_FpuFunctions FPU Functions |
||
904 | \brief Function that provides FPU type. |
||
905 | @{ |
||
906 | */ |
||
907 | |||
908 | /** |
||
909 | \brief get FPU type |
||
910 | \details returns the FPU type |
||
911 | \returns |
||
912 | - \b 0: No FPU |
||
913 | - \b 1: Single precision FPU |
||
914 | - \b 2: Double + Single precision FPU |
||
915 | */ |
||
916 | __STATIC_INLINE uint32_t SCB_GetFPUType(void) |
||
917 | { |
||
918 | return 0U; /* No FPU */ |
||
919 | } |
||
920 | |||
921 | |||
922 | /*@} end of CMSIS_Core_FpuFunctions */ |
||
923 | |||
924 | |||
925 | |||
926 | /* ################################## SysTick function ############################################ */ |
||
927 | /** |
||
928 | \ingroup CMSIS_Core_FunctionInterface |
||
929 | \defgroup CMSIS_Core_SysTickFunctions SysTick Functions |
||
930 | \brief Functions that configure the System. |
||
931 | @{ |
||
932 | */ |
||
933 | |||
934 | #if defined (__Vendor_SysTickConfig) && (__Vendor_SysTickConfig == 0U) |
||
935 | |||
936 | /** |
||
937 | \brief System Tick Configuration |
||
938 | \details Initializes the System Timer and its interrupt, and starts the System Tick Timer. |
||
939 | Counter is in free running mode to generate periodic interrupts. |
||
940 | \param [in] ticks Number of ticks between two interrupts. |
||
941 | \return 0 Function succeeded. |
||
942 | \return 1 Function failed. |
||
943 | \note When the variable <b>__Vendor_SysTickConfig</b> is set to 1, then the |
||
944 | function <b>SysTick_Config</b> is not included. In this case, the file <b><i>device</i>.h</b> |
||
945 | must contain a vendor-specific implementation of this function. |
||
946 | */ |
||
947 | __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks) |
||
948 | { |
||
949 | if ((ticks - 1UL) > SysTick_LOAD_RELOAD_Msk) |
||
950 | { |
||
951 | return (1UL); /* Reload value impossible */ |
||
952 | } |
||
953 | |||
954 | SysTick->LOAD = (uint32_t)(ticks - 1UL); /* set reload register */ |
||
955 | NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */ |
||
956 | SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ |
||
957 | SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | |
||
958 | SysTick_CTRL_TICKINT_Msk | |
||
959 | SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */ |
||
960 | return (0UL); /* Function successful */ |
||
961 | } |
||
962 | |||
963 | #endif |
||
964 | |||
965 | /*@} end of CMSIS_Core_SysTickFunctions */ |
||
966 | |||
967 | |||
968 | |||
969 | |||
970 | #ifdef __cplusplus |
||
971 | } |
||
972 | #endif |
||
973 | |||
974 | #endif /* __CORE_CM1_H_DEPENDANT */ |
||
975 | |||
976 | #endif /* __CMSIS_GENERIC */ |