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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_cortex.h
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4 * @author MCD Application Team
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5 * @version V1.2.0
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6 * @date 26-December-2014
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7 * @brief Header file of CORTEX HAL module.
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8 ******************************************************************************
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9 * @attention
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10 *
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11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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12 *
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13 * Redistribution and use in source and binary forms, with or without modification,
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14 * are permitted provided that the following conditions are met:
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15 * 1. Redistributions of source code must retain the above copyright notice,
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16 * this list of conditions and the following disclaimer.
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17 * 2. Redistributions in binary form must reproduce the above copyright notice,
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18 * this list of conditions and the following disclaimer in the documentation
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19 * and/or other materials provided with the distribution.
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20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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21 * may be used to endorse or promote products derived from this software
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22 * without 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 ARE
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27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 *
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35 ******************************************************************************
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36 */
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37
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38 /* Define to prevent recursive inclusion -------------------------------------*/
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39 #ifndef __STM32F4xx_HAL_CORTEX_H
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40 #define __STM32F4xx_HAL_CORTEX_H
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41
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42 #ifdef __cplusplus
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43 extern "C" {
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44 #endif
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45
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46 /* Includes ------------------------------------------------------------------*/
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47 #include "stm32f4xx_hal_def.h"
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48
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49 /** @addtogroup STM32F4xx_HAL_Driver
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50 * @{
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51 */
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52
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53 /** @addtogroup CORTEX
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54 * @{
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55 */
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56 /* Exported types ------------------------------------------------------------*/
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57 /* Exported constants --------------------------------------------------------*/
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58
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59 /** @defgroup CORTEX_Exported_Constants CORTEX Exported Constants
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60 * @{
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61 */
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62
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63 /** @defgroup CORTEX_Preemption_Priority_Group CORTEX Preemption Priority Group
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64 * @{
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65 */
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66 #define NVIC_PRIORITYGROUP_0 ((uint32_t)0x00000007) /*!< 0 bits for pre-emption priority
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67 4 bits for subpriority */
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68 #define NVIC_PRIORITYGROUP_1 ((uint32_t)0x00000006) /*!< 1 bits for pre-emption priority
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69 3 bits for subpriority */
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70 #define NVIC_PRIORITYGROUP_2 ((uint32_t)0x00000005) /*!< 2 bits for pre-emption priority
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71 2 bits for subpriority */
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72 #define NVIC_PRIORITYGROUP_3 ((uint32_t)0x00000004) /*!< 3 bits for pre-emption priority
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73 1 bits for subpriority */
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74 #define NVIC_PRIORITYGROUP_4 ((uint32_t)0x00000003) /*!< 4 bits for pre-emption priority
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75 0 bits for subpriority */
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76 /**
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77 * @}
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78 */
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79
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80 /** @defgroup CORTEX_SysTick_clock_source CORTEX _SysTick clock source
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81 * @{
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82 */
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83 #define SYSTICK_CLKSOURCE_HCLK_DIV8 ((uint32_t)0x00000000)
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84 #define SYSTICK_CLKSOURCE_HCLK ((uint32_t)0x00000004)
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85
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86 /**
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87 * @}
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88 */
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89
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90 /**
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91 * @}
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92 */
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93
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94
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95 /* Exported Macros -----------------------------------------------------------*/
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96 /** @defgroup CORTEX_Exported_Macros CORTEX Exported Macros
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97 * @{
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98 */
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99
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100 /** @brief Configures the SysTick clock source.
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101 * @param __CLKSRC__: specifies the SysTick clock source.
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102 * This parameter can be one of the following values:
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103 * @arg SYSTICK_CLKSOURCE_HCLK_DIV8: AHB clock divided by 8 selected as SysTick clock source.
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104 * @arg SYSTICK_CLKSOURCE_HCLK: AHB clock selected as SysTick clock source.
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105 * @retval None
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106 */
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107 #define __HAL_CORTEX_SYSTICKCLK_CONFIG(__CLKSRC__) \
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108 do { \
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109 if ((__CLKSRC__) == SYSTICK_CLKSOURCE_HCLK) \
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110 { \
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111 SysTick->CTRL |= SYSTICK_CLKSOURCE_HCLK; \
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112 } \
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113 else \
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114 SysTick->CTRL &= ~SYSTICK_CLKSOURCE_HCLK; \
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115 } while(0)
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116 /**
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117 * @}
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118 */
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119
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120 /* Exported functions --------------------------------------------------------*/
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121 /** @addtogroup CORTEX_Exported_Functions
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122 * @{
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123 */
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124
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125 /** @addtogroup CORTEX_Exported_Functions_Group1
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126 * @{
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127 */
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128 /* Initialization and de-initialization functions *****************************/
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129 void HAL_NVIC_SetPriorityGrouping(uint32_t PriorityGroup);
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130 void HAL_NVIC_SetPriority(IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority);
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131 void HAL_NVIC_EnableIRQ(IRQn_Type IRQn);
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132 void HAL_NVIC_DisableIRQ(IRQn_Type IRQn);
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133 void HAL_NVIC_SystemReset(void);
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134 uint32_t HAL_SYSTICK_Config(uint32_t TicksNumb);
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135 /**
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136 * @}
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137 */
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138
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139 /** @addtogroup CORTEX_Exported_Functions_Group2
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140 * @{
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141 */
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142 /* Peripheral Control functions ***********************************************/
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143 uint32_t HAL_NVIC_GetPriorityGrouping(void);
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144 void HAL_NVIC_GetPriority(IRQn_Type IRQn, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority);
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145 uint32_t HAL_NVIC_GetPendingIRQ(IRQn_Type IRQn);
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146 void HAL_NVIC_SetPendingIRQ(IRQn_Type IRQn);
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147 void HAL_NVIC_ClearPendingIRQ(IRQn_Type IRQn);
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148 uint32_t HAL_NVIC_GetActive(IRQn_Type IRQn);
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149 void HAL_SYSTICK_CLKSourceConfig(uint32_t CLKSource);
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150 void HAL_SYSTICK_IRQHandler(void);
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151 void HAL_SYSTICK_Callback(void);
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152 /**
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153 * @}
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154 */
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155
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156 /**
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157 * @}
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158 */
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159
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160 /* Private types -------------------------------------------------------------*/
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161 /* Private variables ---------------------------------------------------------*/
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162 /* Private constants ---------------------------------------------------------*/
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163 /* Private macros ------------------------------------------------------------*/
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164 /** @defgroup CORTEX_Private_Macros CORTEX Private Macros
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165 * @{
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166 */
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167 #define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PRIORITYGROUP_0) || \
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168 ((GROUP) == NVIC_PRIORITYGROUP_1) || \
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169 ((GROUP) == NVIC_PRIORITYGROUP_2) || \
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170 ((GROUP) == NVIC_PRIORITYGROUP_3) || \
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171 ((GROUP) == NVIC_PRIORITYGROUP_4))
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172
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173 #define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY) ((PRIORITY) < 0x10)
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174
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175 #define IS_NVIC_SUB_PRIORITY(PRIORITY) ((PRIORITY) < 0x10)
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176
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177 #define IS_NVIC_DEVICE_IRQ(IRQ) ((IRQ) >= 0x00)
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178
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179 #define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SYSTICK_CLKSOURCE_HCLK) || \
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180 ((SOURCE) == SYSTICK_CLKSOURCE_HCLK_DIV8))
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181 /**
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182 * @}
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183 */
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184
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185 /**
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186 * @}
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187 */
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188
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189 /**
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190 * @}
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191 */
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192
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193 #ifdef __cplusplus
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194 }
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195 #endif
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196
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197 #endif /* __STM32F4xx_HAL_CORTEX_H */
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198
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199
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200 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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