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/**
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******************************************************************************
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* @file stm32h7s78_discovery_ts.h
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* @author MCD Application Team
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* @brief This file is the header of stm32h7s78_discovery_bus.c file
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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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 STM32H7S78_DK_TS_H
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#define STM32H7S78_DK_TS_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 "stm32h7s78_discovery_conf.h"
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#include "stm32h7s78_discovery_errno.h"
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#include "../Components/gt911/gt911.h"
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup STM32H7S78_DK
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* @{
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*/
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/** @addtogroup STM32H7S78_DK_TS
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* @{
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*/
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/** @defgroup STM32H7S78_DK_TS_Exported_Constants Exported Constants
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* @{
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*/
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#ifndef USE_TS_MULTI_TOUCH
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#define USE_TS_MULTI_TOUCH 1U
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#endif
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#ifndef USE_TS_GESTURE
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#define USE_TS_GESTURE 1U
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#endif
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#ifndef TS_TOUCH_NBR
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#define TS_TOUCH_NBR 5U
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#endif
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#define TS_INSTANCES_NBR 1U
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/* Maximum border values of the touchscreen pad */
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#define TS_MAX_WIDTH GT911_MAX_X_LENGTH /* Touchscreen pad max width */
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#define TS_MAX_HEIGHT GT911_MAX_Y_LENGTH /* Touchscreen pad max height */
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#define TS_SWAP_NONE 0x01U
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#define TS_SWAP_X 0x02U
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#define TS_SWAP_Y 0x04U
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#define TS_SWAP_XY 0x08U
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/**
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* @brief TouchScreen Slave I2C address 1
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*/
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#define TS_I2C_ADDRESS 0xBAU
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/**
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* @brief Touch screen interrupt signal
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*/
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#define TS_INT_PIN GPIO_PIN_3
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#define TS_INT_GPIO_PORT GPIOE
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#define TS_INT_GPIO_CLK_ENABLE() __HAL_RCC_GPIOE_CLK_ENABLE()
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#define TS_INT_GPIO_CLK_DISABLE() __HAL_RCC_GPIOE_CLK_DISABLE()
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#define TS_INT_EXTI_IRQn EXTI3_IRQn
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#define TS_EXTI_LINE EXTI_LINE_3
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/**
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* @}
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*/
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/** @defgroup STM32H7S78_DK_TS_Exported_Types Exported Types
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* @{
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*/
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typedef struct
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{
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uint32_t Width; /* Screen Width */
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uint32_t Height; /* Screen Height */
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uint32_t Orientation; /* Touch Screen orientation from the upper left position */
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uint32_t Accuracy; /* Expressed in pixel and means the x or y difference vs old
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position to consider the new values valid */
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} TS_Init_t;
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typedef struct
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{
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uint32_t Width;
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uint32_t Height;
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uint32_t Orientation;
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uint32_t Accuracy;
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uint32_t MaxX;
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uint32_t MaxY;
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uint32_t PreviousX[TS_TOUCH_NBR];
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uint32_t PreviousY[TS_TOUCH_NBR];
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} TS_Ctx_t;
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typedef struct
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{
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uint8_t MultiTouch; /* Multi-touch supported : 0 means no, 1 means yes */
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uint8_t Gesture; /* Gesture supported : 0 means no, 1 means yes */
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uint8_t MaxTouch; /* Maximum number of touches detected if multi-touch supported */
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uint32_t MaxXl; /* Maximum value of x coordinate */
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uint32_t MaxYl; /* Maximum value of y coordinate */
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} TS_Capabilities_t;
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typedef struct
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{
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uint32_t TouchDetected; /* Touch detected : 0 means no, 1 means yes */
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uint32_t TouchX; /* x coordinate */
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uint32_t TouchY; /* y coordinate */
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} TS_State_t;
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typedef struct
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{
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uint32_t TouchDetected; /* Number of touch detected (from 0 to maximum of touches) */
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uint32_t TouchX[TS_TOUCH_NBR]; /* x coordinates */
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uint32_t TouchY[TS_TOUCH_NBR]; /* y coordinates */
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} TS_MultiTouch_State_t;
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#if (USE_TS_GESTURE > 0)
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/**
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* @brief TS_Gesture_Id_t
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* Define Possible managed gesture identification values returned by touch screen
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* driver.
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*/
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#define GESTURE_ID_NO_GESTURE 0x00U /*!< Gesture not defined / recognized */
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#define GESTURE_ID_SWIPE_UP 0x01U /*!< Gesture Swipe Up */
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#define GESTURE_ID_SWIPE_RIGHT 0x02U /*!< Gesture Swipe Right */
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#define GESTURE_ID_SWIPE_DOWN 0x03U /*!< Gesture Swipe Down */
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#define GESTURE_ID_SWIPE_LEFT 0x04U /*!< Gesture Swipe Left */
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#define GESTURE_ID_DOUBLE_TAP 0x05U /*!< Gesture Double Tap */
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#define GESTURE_ID_NB_MAX 0x06U /*!< max number of gesture id */
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typedef struct
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{
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uint32_t DistanceLeftRight; /* Maximum distance while moving left and moving right gesture.
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Value from 0 to TS_LENGTH/16 (default value is TS_LENGTH/8). */
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uint32_t DistanceUpDown; /* Maximum distance while moving up and moving down gesture.
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Value from 0 to TS_LENGTH/16 (default value is TS_LENGTH/8). */
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uint8_t RefreshRate; /* Report Rate in Gesture Mode. */
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uint8_t GestureThreshold; /* Touch Threshold in Gesture Mode. */
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uint8_t Gain; /* Gesture PGA gain. */
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} TS_Gesture_Config_t;
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#endif /* (USE_TS_GESTURE > 0) */
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/**
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* @}
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*/
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/** @addtogroup STM32H7S78_DK_TS_Exported_Variables
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* @{
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*/
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extern void *Ts_CompObj[TS_INSTANCES_NBR];
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extern EXTI_HandleTypeDef hts_exti[TS_INSTANCES_NBR];
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extern TS_Ctx_t Ts_Ctx[TS_INSTANCES_NBR];
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/**
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* @}
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*/
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/** @defgroup STM32H7S78_DK_TS_Exported_FunctionsPrototypes Exported Functions Prototypes
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* @{
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*/
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int32_t BSP_TS_Init(uint32_t Instance, TS_Init_t *TS_Init);
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int32_t BSP_TS_DeInit(uint32_t Instance);
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int32_t BSP_TS_EnableIT(uint32_t Instance);
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int32_t BSP_TS_DisableIT(uint32_t Instance);
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int32_t BSP_TS_GetState(uint32_t Instance, TS_State_t *TS_State);
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#if (USE_TS_MULTI_TOUCH == 1)
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int32_t BSP_TS_Get_MultiTouchState(uint32_t Instance, TS_MultiTouch_State_t *TS_State);
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#endif /* USE_TS_MULTI_TOUCH == 1 */
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#if (USE_TS_GESTURE == 1)
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int32_t BSP_TS_GestureConfig(uint32_t Instance, TS_Gesture_Config_t *GestureConfig);
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int32_t BSP_TS_GetGestureId(uint32_t Instance, uint32_t *GestureId);
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#endif /* (USE_TS_GESTURE == 1) */
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int32_t BSP_TS_Set_Orientation(uint32_t Instance, uint32_t Orientation);
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int32_t BSP_TS_Get_Orientation(uint32_t Instance, uint32_t *Orientation);
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int32_t BSP_TS_GetCapabilities(uint32_t Instance, TS_Capabilities_t *Capabilities);
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void BSP_TS_Callback(uint32_t Instance);
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void BSP_TS_IRQHandler(uint32_t Instance);
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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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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* STM32H7S78_DK_TS_H */
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