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134 lines
4.5 KiB
134 lines
4.5 KiB
/**
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******************************************************************************
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* @file stm8s_exti.h
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* @author MCD Application Team
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* @version V2.2.0
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* @date 30-September-2014
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* @brief This file contains all functions prototype and macros for the EXTI peripheral.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2014 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 __STM8S_EXTI_H
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#define __STM8S_EXTI_H
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/* Includes ------------------------------------------------------------------*/
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#include "stm8s.h"
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/* Exported types ------------------------------------------------------------*/
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/** @addtogroup EXTI_Exported_Types
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* @{
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*/
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/**
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* @brief EXTI Sensitivity values for PORTA to PORTE
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*/
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typedef enum {
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EXTI_SENSITIVITY_FALL_LOW = (uint8_t)0x00, /*!< Interrupt on Falling edge and Low level */
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EXTI_SENSITIVITY_RISE_ONLY = (uint8_t)0x01, /*!< Interrupt on Rising edge only */
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EXTI_SENSITIVITY_FALL_ONLY = (uint8_t)0x02, /*!< Interrupt on Falling edge only */
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EXTI_SENSITIVITY_RISE_FALL = (uint8_t)0x03 /*!< Interrupt on Rising and Falling edges */
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} EXTI_Sensitivity_TypeDef;
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/**
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* @brief EXTI Sensitivity values for TLI
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*/
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typedef enum {
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EXTI_TLISENSITIVITY_FALL_ONLY = (uint8_t)0x00, /*!< Top Level Interrupt on Falling edge only */
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EXTI_TLISENSITIVITY_RISE_ONLY = (uint8_t)0x04 /*!< Top Level Interrupt on Rising edge only */
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} EXTI_TLISensitivity_TypeDef;
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/**
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* @brief EXTI PortNum possible values
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*/
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typedef enum {
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EXTI_PORT_GPIOA = (uint8_t)0x00, /*!< GPIO Port A */
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EXTI_PORT_GPIOB = (uint8_t)0x01, /*!< GPIO Port B */
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EXTI_PORT_GPIOC = (uint8_t)0x02, /*!< GPIO Port C */
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EXTI_PORT_GPIOD = (uint8_t)0x03, /*!< GPIO Port D */
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EXTI_PORT_GPIOE = (uint8_t)0x04 /*!< GPIO Port E */
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} EXTI_Port_TypeDef;
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/**
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* @}
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*/
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup EXTI_Private_Macros
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* @{
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*/
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/**
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* @brief Macro used by the assert function in order to check the different sensitivity values for PORTA to PORTE.
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*/
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#define IS_EXTI_SENSITIVITY_OK(SensitivityValue) \
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(((SensitivityValue) == EXTI_SENSITIVITY_FALL_LOW) || \
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((SensitivityValue) == EXTI_SENSITIVITY_RISE_ONLY) || \
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((SensitivityValue) == EXTI_SENSITIVITY_FALL_ONLY) || \
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((SensitivityValue) == EXTI_SENSITIVITY_RISE_FALL))
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/**
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* @brief Macro used by the assert function in order to check the different sensitivity values for TLI.
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*/
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#define IS_EXTI_TLISENSITIVITY_OK(SensitivityValue) \
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(((SensitivityValue) == EXTI_TLISENSITIVITY_FALL_ONLY) || \
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((SensitivityValue) == EXTI_TLISENSITIVITY_RISE_ONLY))
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/**
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* @brief Macro used by the assert function in order to check the different Port values
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*/
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#define IS_EXTI_PORT_OK(PORT) \
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(((PORT) == EXTI_PORT_GPIOA) ||\
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((PORT) == EXTI_PORT_GPIOB) ||\
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((PORT) == EXTI_PORT_GPIOC) ||\
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((PORT) == EXTI_PORT_GPIOD) ||\
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((PORT) == EXTI_PORT_GPIOE))
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/**
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* @brief Macro used by the assert function in order to check the different values of the EXTI PinMask
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*/
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#define IS_EXTI_PINMASK_OK(PinMask) ((((PinMask) & (uint8_t)0x00) == (uint8_t)0x00) && ((PinMask) != (uint8_t)0x00))
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/**
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* @}
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*/
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/* Exported functions ------------------------------------------------------- */
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/** @addtogroup EXTI_Exported_Functions
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* @{
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*/
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void EXTI_DeInit(void);
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void EXTI_SetExtIntSensitivity(EXTI_Port_TypeDef Port, EXTI_Sensitivity_TypeDef SensitivityValue);
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void EXTI_SetTLISensitivity(EXTI_TLISensitivity_TypeDef SensitivityValue);
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EXTI_Sensitivity_TypeDef EXTI_GetExtIntSensitivity(EXTI_Port_TypeDef Port);
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EXTI_TLISensitivity_TypeDef EXTI_GetTLISensitivity(void);
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/**
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* @}
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*/
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#endif /* __STM8S_EXTI_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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