1 /** 2 ****************************************************************************** 3 * @file misc.h 4 * @author MCD Application Team 5 * @version V1.1.2 6 * @date 05-March-2012 7 * @brief This file contains all the functions prototypes for the miscellaneous 8 * firmware library functions (add-on to CMSIS functions). 9 ****************************************************************************** 10 * @attention 11 * 12 * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2> 13 * 14 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); 15 * You may not use this file except in compliance with the License. 16 * You may obtain a copy of the License at: 17 * 18 * http://www.st.com/software_license_agreement_liberty_v2 19 * 20 * Unless required by applicable law or agreed to in writing, software 21 * distributed under the License is distributed on an "AS IS" BASIS, 22 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 23 * See the License for the specific language governing permissions and 24 * limitations under the License. 25 * 26 ****************************************************************************** 27 */ 28 29 /* Define to prevent recursive inclusion -------------------------------------*/ 30 #ifndef __MISC_H 31 #define __MISC_H 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 /* Includes ------------------------------------------------------------------*/ 38 #include "stm32f2xx.h" 39 40 /** @addtogroup STM32F2xx_StdPeriph_Driver 41 * @{ 42 */ 43 44 /** @addtogroup MISC 45 * @{ 46 */ 47 48 /* Exported types ------------------------------------------------------------*/ 49 50 /** 51 * @brief NVIC Init Structure definition 52 */ 53 54 typedef struct 55 { 56 uint8_t NVIC_IRQChannel; /*!< Specifies the IRQ channel to be enabled or disabled. 57 This parameter can be an enumerator of @ref IRQn_Type 58 enumeration (For the complete STM32 Devices IRQ Channels 59 list, please refer to stm32f2xx.h file) */ 60 61 uint8_t NVIC_IRQChannelPreemptionPriority; /*!< Specifies the pre-emption priority for the IRQ channel 62 specified in NVIC_IRQChannel. This parameter can be a value 63 between 0 and 15 as described in the table @ref MISC_NVIC_Priority_Table 64 A lower priority value indicates a higher priority */ 65 66 uint8_t NVIC_IRQChannelSubPriority; /*!< Specifies the subpriority level for the IRQ channel specified 67 in NVIC_IRQChannel. This parameter can be a value 68 between 0 and 15 as described in the table @ref MISC_NVIC_Priority_Table 69 A lower priority value indicates a higher priority */ 70 71 FunctionalState NVIC_IRQChannelCmd; /*!< Specifies whether the IRQ channel defined in NVIC_IRQChannel 72 will be enabled or disabled. 73 This parameter can be set either to ENABLE or DISABLE */ 74 } NVIC_InitTypeDef; 75 76 /* Exported constants --------------------------------------------------------*/ 77 78 /** @defgroup MISC_Exported_Constants 79 * @{ 80 */ 81 82 /** @defgroup MISC_Vector_Table_Base 83 * @{ 84 */ 85 86 #define NVIC_VectTab_RAM ((uint32_t)0x20000000) 87 #define NVIC_VectTab_FLASH ((uint32_t)0x08000000) 88 #define IS_NVIC_VECTTAB(VECTTAB) (((VECTTAB) == NVIC_VectTab_RAM) || \ 89 ((VECTTAB) == NVIC_VectTab_FLASH)) 90 /** 91 * @} 92 */ 93 94 /** @defgroup MISC_System_Low_Power 95 * @{ 96 */ 97 98 #define NVIC_LP_SEVONPEND ((uint8_t)0x10) 99 #define NVIC_LP_SLEEPDEEP ((uint8_t)0x04) 100 #define NVIC_LP_SLEEPONEXIT ((uint8_t)0x02) 101 #define IS_NVIC_LP(LP) (((LP) == NVIC_LP_SEVONPEND) || \ 102 ((LP) == NVIC_LP_SLEEPDEEP) || \ 103 ((LP) == NVIC_LP_SLEEPONEXIT)) 104 /** 105 * @} 106 */ 107 108 /** @defgroup MISC_Preemption_Priority_Group 109 * @{ 110 */ 111 112 #define NVIC_PriorityGroup_0 ((uint32_t)0x700) /*!< 0 bits for pre-emption priority 113 4 bits for subpriority */ 114 #define NVIC_PriorityGroup_1 ((uint32_t)0x600) /*!< 1 bits for pre-emption priority 115 3 bits for subpriority */ 116 #define NVIC_PriorityGroup_2 ((uint32_t)0x500) /*!< 2 bits for pre-emption priority 117 2 bits for subpriority */ 118 #define NVIC_PriorityGroup_3 ((uint32_t)0x400) /*!< 3 bits for pre-emption priority 119 1 bits for subpriority */ 120 #define NVIC_PriorityGroup_4 ((uint32_t)0x300) /*!< 4 bits for pre-emption priority 121 0 bits for subpriority */ 122 123 #define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PriorityGroup_0) || \ 124 ((GROUP) == NVIC_PriorityGroup_1) || \ 125 ((GROUP) == NVIC_PriorityGroup_2) || \ 126 ((GROUP) == NVIC_PriorityGroup_3) || \ 127 ((GROUP) == NVIC_PriorityGroup_4)) 128 129 #define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY) ((PRIORITY) < 0x10) 130 131 #define IS_NVIC_SUB_PRIORITY(PRIORITY) ((PRIORITY) < 0x10) 132 133 #define IS_NVIC_OFFSET(OFFSET) ((OFFSET) < 0x000FFFFF) 134 135 /** 136 * @} 137 */ 138 139 /** @defgroup MISC_SysTick_clock_source 140 * @{ 141 */ 142 143 #define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB) 144 #define SysTick_CLKSource_HCLK ((uint32_t)0x00000004) 145 #define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SysTick_CLKSource_HCLK) || \ 146 ((SOURCE) == SysTick_CLKSource_HCLK_Div8)) 147 /** 148 * @} 149 */ 150 151 /** 152 * @} 153 */ 154 155 /* Exported macro ------------------------------------------------------------*/ 156 /* Exported functions --------------------------------------------------------*/ 157 158 void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup); 159 void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct); 160 void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset); 161 void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState); 162 void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource); 163 164 #ifdef __cplusplus 165 } 166 #endif 167 168 #endif /* __MISC_H */ 169 170 /** 171 * @} 172 */ 173 174 /** 175 * @} 176 */ 177 178 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 179