2 ******************************************************************************
3 * @file stm32f30x_misc.h
4 * @author MCD Application Team
6 * @date 27-February-2014
7 * @brief This file contains all the functions prototypes for the miscellaneous
8 * firmware library functions (add-on to CMSIS functions).
9 ******************************************************************************
12 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
14 * Redistribution and use in source and binary forms, with or without modification,
15 * are permitted provided that the following conditions are met:
16 * 1. Redistributions of source code must retain the above copyright notice,
17 * this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright notice,
19 * this list of conditions and the following disclaimer in the documentation
20 * and/or other materials provided with the distribution.
21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 ******************************************************************************
39 /* Define to prevent recursive inclusion -------------------------------------*/
40 #ifndef __STM32F30x_MISC_H
41 #define __STM32F30x_MISC_H
47 /* Includes ------------------------------------------------------------------*/
48 #include "stm32f30x.h"
50 /** @addtogroup STM32F30x_StdPeriph_Driver
58 /* Exported types ------------------------------------------------------------*/
61 * @brief NVIC Init Structure definition
66 uint8_t NVIC_IRQChannel; /*!< Specifies the IRQ channel to be enabled or disabled.
67 This parameter can be a value of @ref IRQn_Type (For
68 the complete STM32 Devices IRQ Channels list, please
69 refer to stm32f30x.h file) */
71 uint8_t NVIC_IRQChannelPreemptionPriority; /*!< Specifies the pre-emption priority for the IRQ channel
72 specified in NVIC_IRQChannel. This parameter can be a value
74 A lower priority value indicates a higher priority */
77 uint8_t NVIC_IRQChannelSubPriority; /*!< Specifies the subpriority level for the IRQ channel specified
78 in NVIC_IRQChannel. This parameter can be a value
80 A lower priority value indicates a higher priority */
82 FunctionalState NVIC_IRQChannelCmd; /*!< Specifies whether the IRQ channel defined in NVIC_IRQChannel
83 will be enabled or disabled.
84 This parameter can be set either to ENABLE or DISABLE */
90 The table below gives the allowed values of the pre-emption priority and subpriority according
91 to the Priority Grouping configuration performed by NVIC_PriorityGroupConfig function
92 ============================================================================================================================
93 NVIC_PriorityGroup | NVIC_IRQChannelPreemptionPriority | NVIC_IRQChannelSubPriority | Description
94 ============================================================================================================================
95 NVIC_PriorityGroup_0 | 0 | 0-15 | 0 bits for pre-emption priority
96 | | | 4 bits for subpriority
97 ----------------------------------------------------------------------------------------------------------------------------
98 NVIC_PriorityGroup_1 | 0-1 | 0-7 | 1 bits for pre-emption priority
99 | | | 3 bits for subpriority
100 ----------------------------------------------------------------------------------------------------------------------------
101 NVIC_PriorityGroup_2 | 0-3 | 0-3 | 2 bits for pre-emption priority
102 | | | 2 bits for subpriority
103 ----------------------------------------------------------------------------------------------------------------------------
104 NVIC_PriorityGroup_3 | 0-7 | 0-1 | 3 bits for pre-emption priority
105 | | | 1 bits for subpriority
106 ----------------------------------------------------------------------------------------------------------------------------
107 NVIC_PriorityGroup_4 | 0-15 | 0 | 4 bits for pre-emption priority
108 | | | 0 bits for subpriority
109 ============================================================================================================================
113 /* Exported constants --------------------------------------------------------*/
115 /** @defgroup MISC_Exported_Constants
119 /** @defgroup MISC_Vector_Table_Base
123 #define NVIC_VectTab_RAM ((uint32_t)0x20000000)
124 #define NVIC_VectTab_FLASH ((uint32_t)0x08000000)
125 #define IS_NVIC_VECTTAB(VECTTAB) (((VECTTAB) == NVIC_VectTab_RAM) || \
126 ((VECTTAB) == NVIC_VectTab_FLASH))
131 /** @defgroup MISC_System_Low_Power
135 #define NVIC_LP_SEVONPEND ((uint8_t)0x10)
136 #define NVIC_LP_SLEEPDEEP ((uint8_t)0x04)
137 #define NVIC_LP_SLEEPONEXIT ((uint8_t)0x02)
138 #define IS_NVIC_LP(LP) (((LP) == NVIC_LP_SEVONPEND) || \
139 ((LP) == NVIC_LP_SLEEPDEEP) || \
140 ((LP) == NVIC_LP_SLEEPONEXIT))
145 /** @defgroup MISC_Preemption_Priority_Group
149 #define NVIC_PriorityGroup_0 ((uint32_t)0x700) /*!< 0 bits for pre-emption priority
150 4 bits for subpriority */
151 #define NVIC_PriorityGroup_1 ((uint32_t)0x600) /*!< 1 bits for pre-emption priority
152 3 bits for subpriority */
153 #define NVIC_PriorityGroup_2 ((uint32_t)0x500) /*!< 2 bits for pre-emption priority
154 2 bits for subpriority */
155 #define NVIC_PriorityGroup_3 ((uint32_t)0x400) /*!< 3 bits for pre-emption priority
156 1 bits for subpriority */
157 #define NVIC_PriorityGroup_4 ((uint32_t)0x300) /*!< 4 bits for pre-emption priority
158 0 bits for subpriority */
160 #define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PriorityGroup_0) || \
161 ((GROUP) == NVIC_PriorityGroup_1) || \
162 ((GROUP) == NVIC_PriorityGroup_2) || \
163 ((GROUP) == NVIC_PriorityGroup_3) || \
164 ((GROUP) == NVIC_PriorityGroup_4))
166 #define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY) ((PRIORITY) < 0x10)
168 #define IS_NVIC_SUB_PRIORITY(PRIORITY) ((PRIORITY) < 0x10)
170 #define IS_NVIC_OFFSET(OFFSET) ((OFFSET) < 0x000FFFFF)
176 /** @defgroup MISC_SysTick_clock_source
179 #define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB)
180 #define SysTick_CLKSource_HCLK ((uint32_t)0x00000004)
181 #define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SysTick_CLKSource_HCLK) || \
182 ((SOURCE) == SysTick_CLKSource_HCLK_Div8))
191 /* Exported macro ------------------------------------------------------------*/
192 /* Exported functions --------------------------------------------------------*/
194 void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);
195 void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);
196 void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset);
197 void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState);
198 void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource);
204 #endif /* __STM32F30x_MISC_H */
214 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/