kopia lustrzana https://github.com/micropython/micropython
179 wiersze
6.8 KiB
C
179 wiersze
6.8 KiB
C
/**
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******************************************************************************
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* @file misc.h
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* @author MCD Application Team
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* @version V1.3.0
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* @date 08-November-2013
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* @brief This file contains all the functions prototypes for the miscellaneous
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* firmware library functions (add-on to CMSIS functions).
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2013 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __MISC_H
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#define __MISC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx.h"
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/** @addtogroup STM32F4xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup MISC
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief NVIC Init Structure definition
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*/
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typedef struct
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{
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uint8_t NVIC_IRQChannel; /*!< Specifies the IRQ channel to be enabled or disabled.
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This parameter can be an enumerator of @ref IRQn_Type
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enumeration (For the complete STM32 Devices IRQ Channels
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list, please refer to stm32f4xx.h file) */
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uint8_t NVIC_IRQChannelPreemptionPriority; /*!< Specifies the pre-emption priority for the IRQ channel
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specified in NVIC_IRQChannel. This parameter can be a value
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between 0 and 15 as described in the table @ref MISC_NVIC_Priority_Table
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A lower priority value indicates a higher priority */
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uint8_t NVIC_IRQChannelSubPriority; /*!< Specifies the subpriority level for the IRQ channel specified
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in NVIC_IRQChannel. This parameter can be a value
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between 0 and 15 as described in the table @ref MISC_NVIC_Priority_Table
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A lower priority value indicates a higher priority */
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FunctionalState NVIC_IRQChannelCmd; /*!< Specifies whether the IRQ channel defined in NVIC_IRQChannel
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will be enabled or disabled.
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This parameter can be set either to ENABLE or DISABLE */
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} NVIC_InitTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup MISC_Exported_Constants
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* @{
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*/
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/** @defgroup MISC_Vector_Table_Base
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* @{
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*/
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#define NVIC_VectTab_RAM ((uint32_t)0x20000000)
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#define NVIC_VectTab_FLASH ((uint32_t)0x08000000)
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#define IS_NVIC_VECTTAB(VECTTAB) (((VECTTAB) == NVIC_VectTab_RAM) || \
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((VECTTAB) == NVIC_VectTab_FLASH))
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/**
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* @}
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*/
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/** @defgroup MISC_System_Low_Power
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* @{
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*/
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#define NVIC_LP_SEVONPEND ((uint8_t)0x10)
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#define NVIC_LP_SLEEPDEEP ((uint8_t)0x04)
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#define NVIC_LP_SLEEPONEXIT ((uint8_t)0x02)
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#define IS_NVIC_LP(LP) (((LP) == NVIC_LP_SEVONPEND) || \
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((LP) == NVIC_LP_SLEEPDEEP) || \
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((LP) == NVIC_LP_SLEEPONEXIT))
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/**
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* @}
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*/
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/** @defgroup MISC_Preemption_Priority_Group
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* @{
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*/
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#define NVIC_PriorityGroup_0 ((uint32_t)0x700) /*!< 0 bits for pre-emption priority
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4 bits for subpriority */
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#define NVIC_PriorityGroup_1 ((uint32_t)0x600) /*!< 1 bits for pre-emption priority
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3 bits for subpriority */
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#define NVIC_PriorityGroup_2 ((uint32_t)0x500) /*!< 2 bits for pre-emption priority
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2 bits for subpriority */
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#define NVIC_PriorityGroup_3 ((uint32_t)0x400) /*!< 3 bits for pre-emption priority
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1 bits for subpriority */
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#define NVIC_PriorityGroup_4 ((uint32_t)0x300) /*!< 4 bits for pre-emption priority
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0 bits for subpriority */
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#define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PriorityGroup_0) || \
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((GROUP) == NVIC_PriorityGroup_1) || \
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((GROUP) == NVIC_PriorityGroup_2) || \
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((GROUP) == NVIC_PriorityGroup_3) || \
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((GROUP) == NVIC_PriorityGroup_4))
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#define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY) ((PRIORITY) < 0x10)
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#define IS_NVIC_SUB_PRIORITY(PRIORITY) ((PRIORITY) < 0x10)
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#define IS_NVIC_OFFSET(OFFSET) ((OFFSET) < 0x000FFFFF)
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/**
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* @}
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*/
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/** @defgroup MISC_SysTick_clock_source
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* @{
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*/
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#define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB)
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#define SysTick_CLKSource_HCLK ((uint32_t)0x00000004)
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#define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SysTick_CLKSource_HCLK) || \
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((SOURCE) == SysTick_CLKSource_HCLK_Div8))
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);
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void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);
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void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset);
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void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState);
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void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __MISC_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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