649 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			649 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
	
| /**
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|   ******************************************************************************
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|   * @file    stm32f1xx_hal_usart.h
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|   * @author  MCD Application Team
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|   * @brief   Header file of USART HAL module.
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|   ******************************************************************************
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|   * @attention
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|   *
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|   * Copyright (c) 2016 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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| 
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| /* Define to prevent recursive inclusion -------------------------------------*/
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| #ifndef __STM32F1xx_HAL_USART_H
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| #define __STM32F1xx_HAL_USART_H
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| /* Includes ------------------------------------------------------------------*/
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| #include "stm32f1xx_hal_def.h"
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| 
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| /** @addtogroup STM32F1xx_HAL_Driver
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|   * @{
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|   */
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| 
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| /** @addtogroup USART
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|   * @{
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|   */
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| 
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| /* Exported types ------------------------------------------------------------*/
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| /** @defgroup USART_Exported_Types USART Exported Types
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|   * @{
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|   */
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| 
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| /**
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|   * @brief USART Init Structure definition
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|   */
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| typedef struct
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| {
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|   uint32_t BaudRate;                  /*!< This member configures the Usart communication baud rate.
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|                                            The baud rate is computed using the following formula:
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|                                            - IntegerDivider = ((PCLKx) / (16 * (husart->Init.BaudRate)))
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|                                            - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
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| 
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|   uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
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|                                            This parameter can be a value of @ref USART_Word_Length */
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| 
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|   uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
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|                                            This parameter can be a value of @ref USART_Stop_Bits */
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| 
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|   uint32_t Parity;                    /*!< Specifies the parity mode.
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|                                            This parameter can be a value of @ref USART_Parity
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|                                            @note When parity is enabled, the computed parity is inserted
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|                                                  at the MSB position of the transmitted data (9th bit when
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|                                                  the word length is set to 9 data bits; 8th bit when the
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|                                                  word length is set to 8 data bits). */
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| 
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|   uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
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|                                            This parameter can be a value of @ref USART_Mode */
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| 
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|   uint32_t CLKPolarity;               /*!< Specifies the steady state of the serial clock.
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|                                            This parameter can be a value of @ref USART_Clock_Polarity */
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| 
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|   uint32_t CLKPhase;                  /*!< Specifies the clock transition on which the bit capture is made.
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|                                            This parameter can be a value of @ref USART_Clock_Phase */
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| 
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|   uint32_t CLKLastBit;                /*!< Specifies whether the clock pulse corresponding to the last transmitted
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|                                            data bit (MSB) has to be output on the SCLK pin in synchronous mode.
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|                                            This parameter can be a value of @ref USART_Last_Bit */
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| } USART_InitTypeDef;
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| 
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| /**
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|   * @brief HAL State structures definition
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|   */
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| typedef enum
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| {
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|   HAL_USART_STATE_RESET             = 0x00U,    /*!< Peripheral is not yet Initialized   */
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|   HAL_USART_STATE_READY             = 0x01U,    /*!< Peripheral Initialized and ready for use */
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|   HAL_USART_STATE_BUSY              = 0x02U,    /*!< an internal process is ongoing */
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|   HAL_USART_STATE_BUSY_TX           = 0x12U,    /*!< Data Transmission process is ongoing */
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|   HAL_USART_STATE_BUSY_RX           = 0x22U,    /*!< Data Reception process is ongoing */
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|   HAL_USART_STATE_BUSY_TX_RX        = 0x32U,    /*!< Data Transmission Reception process is ongoing */
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|   HAL_USART_STATE_TIMEOUT           = 0x03U,    /*!< Timeout state */
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|   HAL_USART_STATE_ERROR             = 0x04U     /*!< Error */
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| } HAL_USART_StateTypeDef;
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| 
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| /**
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|   * @brief  USART handle Structure definition
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|   */
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| typedef struct __USART_HandleTypeDef
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| {
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|   USART_TypeDef                 *Instance;        /*!< USART registers base address        */
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| 
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|   USART_InitTypeDef             Init;             /*!< Usart communication parameters      */
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| 
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|   const uint8_t                 *pTxBuffPtr;      /*!< Pointer to Usart Tx transfer Buffer */
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| 
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|   uint16_t                      TxXferSize;       /*!< Usart Tx Transfer size              */
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| 
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|   __IO uint16_t                 TxXferCount;      /*!< Usart Tx Transfer Counter           */
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| 
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|   uint8_t                       *pRxBuffPtr;      /*!< Pointer to Usart Rx transfer Buffer */
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| 
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|   uint16_t                      RxXferSize;       /*!< Usart Rx Transfer size              */
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| 
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|   __IO uint16_t                 RxXferCount;      /*!< Usart Rx Transfer Counter           */
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| 
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|   DMA_HandleTypeDef             *hdmatx;          /*!< Usart Tx DMA Handle parameters      */
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| 
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|   DMA_HandleTypeDef             *hdmarx;          /*!< Usart Rx DMA Handle parameters      */
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| 
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|   HAL_LockTypeDef                Lock;            /*!< Locking object                      */
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| 
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|   __IO HAL_USART_StateTypeDef    State;           /*!< Usart communication state           */
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| 
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|   __IO uint32_t                  ErrorCode;       /*!< USART Error code                    */
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| 
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| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
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|   void (* TxHalfCpltCallback)(struct __USART_HandleTypeDef *husart);        /*!< USART Tx Half Complete Callback        */
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|   void (* TxCpltCallback)(struct __USART_HandleTypeDef *husart);            /*!< USART Tx Complete Callback             */
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|   void (* RxHalfCpltCallback)(struct __USART_HandleTypeDef *husart);        /*!< USART Rx Half Complete Callback        */
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|   void (* RxCpltCallback)(struct __USART_HandleTypeDef *husart);            /*!< USART Rx Complete Callback             */
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|   void (* TxRxCpltCallback)(struct __USART_HandleTypeDef *husart);          /*!< USART Tx Rx Complete Callback          */
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|   void (* ErrorCallback)(struct __USART_HandleTypeDef *husart);             /*!< USART Error Callback                   */
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|   void (* AbortCpltCallback)(struct __USART_HandleTypeDef *husart);         /*!< USART Abort Complete Callback          */
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| 
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|   void (* MspInitCallback)(struct __USART_HandleTypeDef *husart);           /*!< USART Msp Init callback                */
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|   void (* MspDeInitCallback)(struct __USART_HandleTypeDef *husart);         /*!< USART Msp DeInit callback              */
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| #endif  /* USE_HAL_USART_REGISTER_CALLBACKS */
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| 
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| } USART_HandleTypeDef;
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| 
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| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
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| /**
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|   * @brief  HAL USART Callback ID enumeration definition
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|   */
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| typedef enum
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| {
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|   HAL_USART_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< USART Tx Half Complete Callback ID        */
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|   HAL_USART_TX_COMPLETE_CB_ID             = 0x01U,    /*!< USART Tx Complete Callback ID             */
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|   HAL_USART_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< USART Rx Half Complete Callback ID        */
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|   HAL_USART_RX_COMPLETE_CB_ID             = 0x03U,    /*!< USART Rx Complete Callback ID             */
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|   HAL_USART_TX_RX_COMPLETE_CB_ID          = 0x04U,    /*!< USART Tx Rx Complete Callback ID          */
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|   HAL_USART_ERROR_CB_ID                   = 0x05U,    /*!< USART Error Callback ID                   */
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|   HAL_USART_ABORT_COMPLETE_CB_ID          = 0x06U,    /*!< USART Abort Complete Callback ID          */
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| 
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|   HAL_USART_MSPINIT_CB_ID                 = 0x07U,    /*!< USART MspInit callback ID                 */
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|   HAL_USART_MSPDEINIT_CB_ID               = 0x08U     /*!< USART MspDeInit callback ID               */
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| 
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| } HAL_USART_CallbackIDTypeDef;
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| 
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| /**
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|   * @brief  HAL USART Callback pointer definition
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|   */
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| typedef  void (*pUSART_CallbackTypeDef)(USART_HandleTypeDef *husart);  /*!< pointer to an USART callback function */
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| 
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| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
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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 constants --------------------------------------------------------*/
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| /** @defgroup USART_Exported_Constants USART Exported Constants
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|   * @{
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|   */
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| 
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| /** @defgroup USART_Error_Code USART Error Code
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|   * @brief    USART Error Code
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|   * @{
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|   */
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| #define HAL_USART_ERROR_NONE             0x00000000U   /*!< No error                */
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| #define HAL_USART_ERROR_PE               0x00000001U   /*!< Parity error            */
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| #define HAL_USART_ERROR_NE               0x00000002U   /*!< Noise error             */
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| #define HAL_USART_ERROR_FE               0x00000004U   /*!< Frame error             */
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| #define HAL_USART_ERROR_ORE              0x00000008U   /*!< Overrun error           */
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| #define HAL_USART_ERROR_DMA              0x00000010U   /*!< DMA transfer error      */
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| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
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| #define HAL_USART_ERROR_INVALID_CALLBACK 0x00000020U    /*!< Invalid Callback error */
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| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Word_Length USART Word Length
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|   * @{
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|   */
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| #define USART_WORDLENGTH_8B          0x00000000U
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| #define USART_WORDLENGTH_9B          ((uint32_t)USART_CR1_M)
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Stop_Bits USART Number of Stop Bits
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|   * @{
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|   */
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| #define USART_STOPBITS_1             0x00000000U
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| #define USART_STOPBITS_0_5           ((uint32_t)USART_CR2_STOP_0)
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| #define USART_STOPBITS_2             ((uint32_t)USART_CR2_STOP_1)
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| #define USART_STOPBITS_1_5           ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Parity USART Parity
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|   * @{
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|   */
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| #define USART_PARITY_NONE            0x00000000U
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| #define USART_PARITY_EVEN            ((uint32_t)USART_CR1_PCE)
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| #define USART_PARITY_ODD             ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Mode USART Mode
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|   * @{
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|   */
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| #define USART_MODE_RX                ((uint32_t)USART_CR1_RE)
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| #define USART_MODE_TX                ((uint32_t)USART_CR1_TE)
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| #define USART_MODE_TX_RX             ((uint32_t)(USART_CR1_TE | USART_CR1_RE))
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Clock USART Clock
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|   * @{
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|   */
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| #define USART_CLOCK_DISABLE          0x00000000U
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| #define USART_CLOCK_ENABLE           ((uint32_t)USART_CR2_CLKEN)
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Clock_Polarity USART Clock Polarity
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|   * @{
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|   */
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| #define USART_POLARITY_LOW           0x00000000U
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| #define USART_POLARITY_HIGH          ((uint32_t)USART_CR2_CPOL)
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Clock_Phase USART Clock Phase
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|   * @{
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|   */
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| #define USART_PHASE_1EDGE            0x00000000U
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| #define USART_PHASE_2EDGE            ((uint32_t)USART_CR2_CPHA)
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Last_Bit USART Last Bit
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|   * @{
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|   */
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| #define USART_LASTBIT_DISABLE        0x00000000U
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| #define USART_LASTBIT_ENABLE         ((uint32_t)USART_CR2_LBCL)
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_NACK_State USART NACK State
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|   * @{
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|   */
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| #define USART_NACK_ENABLE            ((uint32_t)USART_CR3_NACK)
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| #define USART_NACK_DISABLE           0x00000000U
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Flags USART Flags
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|   *        Elements values convention: 0xXXXX
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|   *           - 0xXXXX  : Flag mask in the SR register
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|   * @{
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|   */
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| #define USART_FLAG_TXE               ((uint32_t)USART_SR_TXE)
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| #define USART_FLAG_TC                ((uint32_t)USART_SR_TC)
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| #define USART_FLAG_RXNE              ((uint32_t)USART_SR_RXNE)
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| #define USART_FLAG_IDLE              ((uint32_t)USART_SR_IDLE)
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| #define USART_FLAG_ORE               ((uint32_t)USART_SR_ORE)
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| #define USART_FLAG_NE                ((uint32_t)USART_SR_NE)
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| #define USART_FLAG_FE                ((uint32_t)USART_SR_FE)
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| #define USART_FLAG_PE                ((uint32_t)USART_SR_PE)
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| /**
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|   * @}
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|   */
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| 
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| /** @defgroup USART_Interrupt_definition USART Interrupts Definition
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|   *        Elements values convention: 0xY000XXXX
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|   *           - XXXX  : Interrupt mask in the XX register
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|   *           - Y  : Interrupt source register (2bits)
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|   *                 - 01: CR1 register
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|   *                 - 10: CR2 register
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|   *                 - 11: CR3 register
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|   * @{
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|   */
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| #define USART_IT_PE                  ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
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| #define USART_IT_TXE                 ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
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| #define USART_IT_TC                  ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
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| #define USART_IT_RXNE                ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
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| #define USART_IT_IDLE                ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
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| #define USART_IT_ERR                 ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
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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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| /* Exported macro ------------------------------------------------------------*/
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| /** @defgroup USART_Exported_Macros USART Exported Macros
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|   * @{
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|   */
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| 
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| /** @brief Reset USART handle state
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|   * @param  __HANDLE__ specifies the USART Handle.
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|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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|   * @retval None
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|   */
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| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
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| #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__)  do{                                            \
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|                                                       (__HANDLE__)->State = HAL_USART_STATE_RESET; \
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|                                                       (__HANDLE__)->MspInitCallback = NULL;        \
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|                                                       (__HANDLE__)->MspDeInitCallback = NULL;      \
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|                                                     } while(0U)
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| #else
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| #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__)  ((__HANDLE__)->State = HAL_USART_STATE_RESET)
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| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
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| 
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| /** @brief  Check whether the specified USART flag is set or not.
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|   * @param  __HANDLE__ specifies the USART Handle.
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|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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|   * @param  __FLAG__ specifies the flag to check.
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|   *        This parameter can be one of the following values:
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|   *            @arg USART_FLAG_TXE:  Transmit data register empty flag
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|   *            @arg USART_FLAG_TC:   Transmission Complete flag
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|   *            @arg USART_FLAG_RXNE: Receive data register not empty flag
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|   *            @arg USART_FLAG_IDLE: Idle Line detection flag
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|   *            @arg USART_FLAG_ORE:  Overrun Error flag
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|   *            @arg USART_FLAG_NE:   Noise Error flag
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|   *            @arg USART_FLAG_FE:   Framing Error flag
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|   *            @arg USART_FLAG_PE:   Parity Error flag
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|   * @retval The new state of __FLAG__ (TRUE or FALSE).
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|   */
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| #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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| 
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| /** @brief  Clear the specified USART pending flags.
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|   * @param  __HANDLE__ specifies the USART Handle.
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|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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|   * @param  __FLAG__ specifies the flag to check.
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|   *          This parameter can be any combination of the following values:
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|   *            @arg USART_FLAG_TC:   Transmission Complete flag.
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|   *            @arg USART_FLAG_RXNE: Receive data register not empty flag.
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|   *
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|   * @note   PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
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|   *          error) and IDLE (Idle line detected) flags are cleared by software
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|   *          sequence: a read operation to USART_SR register followed by a read
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|   *          operation to USART_DR register.
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|   * @note   RXNE flag can be also cleared by a read to the USART_DR register.
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|   * @note   TC flag can be also cleared by software sequence: a read operation to
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|   *          USART_SR register followed by a write operation to USART_DR register.
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|   * @note   TXE flag is cleared only by a write to the USART_DR register.
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|   *
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|   * @retval None
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|   */
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| #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
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| 
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| /** @brief  Clear the USART PE pending flag.
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|   * @param  __HANDLE__ specifies the USART Handle.
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|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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|   * @retval None
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|   */
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| #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__)    \
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|   do{                                           \
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|     __IO uint32_t tmpreg = 0x00U;               \
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|     tmpreg = (__HANDLE__)->Instance->SR;        \
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|     tmpreg = (__HANDLE__)->Instance->DR;        \
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|     UNUSED(tmpreg);                             \
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|   } while(0U)
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| 
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| /** @brief  Clear the USART FE pending flag.
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|   * @param  __HANDLE__ specifies the USART Handle.
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|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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|   * @retval None
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|   */
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| #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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| 
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| /** @brief  Clear the USART NE pending flag.
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|   * @param  __HANDLE__ specifies the USART Handle.
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|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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|   * @retval None
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|   */
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| #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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| 
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| /** @brief  Clear the USART ORE pending flag.
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|   * @param  __HANDLE__ specifies the USART Handle.
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|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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|   * @retval None
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|   */
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| #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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| 
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| /** @brief  Clear the USART IDLE pending flag.
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|   * @param  __HANDLE__ specifies the USART Handle.
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|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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|   * @retval None
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|   */
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| #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
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| 
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| /** @brief  Enables or disables the specified USART interrupts.
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|   * @param  __HANDLE__ specifies the USART Handle.
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|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
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|   * @param  __INTERRUPT__ specifies the USART interrupt source to check.
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|   *          This parameter can be one of the following values:
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|   *            @arg USART_IT_TXE:  Transmit Data Register empty interrupt
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|   *            @arg USART_IT_TC:   Transmission complete interrupt
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|   *            @arg USART_IT_RXNE: Receive Data register not empty interrupt
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|   *            @arg USART_IT_IDLE: Idle line detection interrupt
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|   *            @arg USART_IT_PE:   Parity Error interrupt
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|   *            @arg USART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
 | |
|   * @retval None
 | |
|   */
 | |
| #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((((__INTERRUPT__) >> 28U) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \
 | |
|                                                             (((__INTERRUPT__) >> 28U) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \
 | |
|                                                             ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK)))
 | |
| #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((((__INTERRUPT__) >> 28U) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
 | |
|                                                             (((__INTERRUPT__) >> 28U) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \
 | |
|                                                             ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK)))
 | |
| 
 | |
| /** @brief  Checks whether the specified USART interrupt has occurred or not.
 | |
|   * @param  __HANDLE__ specifies the USART Handle.
 | |
|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
 | |
|   * @param  __IT__ specifies the USART interrupt source to check.
 | |
|   *          This parameter can be one of the following values:
 | |
|   *            @arg USART_IT_TXE: Transmit Data Register empty interrupt
 | |
|   *            @arg USART_IT_TC:  Transmission complete interrupt
 | |
|   *            @arg USART_IT_RXNE: Receive Data register not empty interrupt
 | |
|   *            @arg USART_IT_IDLE: Idle line detection interrupt
 | |
|   *            @arg USART_IT_ERR: Error interrupt
 | |
|   *            @arg USART_IT_PE: Parity Error interrupt
 | |
|   * @retval The new state of __IT__ (TRUE or FALSE).
 | |
|   */
 | |
| #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == USART_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == USART_CR2_REG_INDEX)? \
 | |
|                                                         (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK))
 | |
| 
 | |
| /** @brief  Macro to enable the USART's one bit sample method
 | |
|   * @param  __HANDLE__ specifies the USART Handle.
 | |
|   * @retval None
 | |
|   */
 | |
| #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 |= USART_CR3_ONEBIT)
 | |
| 
 | |
| /** @brief  Macro to disable the USART's one bit sample method
 | |
|   * @param  __HANDLE__ specifies the USART Handle.
 | |
|   * @retval None
 | |
|   */
 | |
| #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3\
 | |
|                                                         &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
 | |
| 
 | |
| /** @brief  Enable USART
 | |
|   * @param  __HANDLE__ specifies the USART Handle.
 | |
|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
 | |
|   * @retval None
 | |
|   */
 | |
| #define __HAL_USART_ENABLE(__HANDLE__)               ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
 | |
| 
 | |
| /** @brief  Disable USART
 | |
|   * @param  __HANDLE__ specifies the USART Handle.
 | |
|   *         USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
 | |
|   * @retval None
 | |
|   */
 | |
| #define __HAL_USART_DISABLE(__HANDLE__)              ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| /* Exported functions --------------------------------------------------------*/
 | |
| /** @addtogroup USART_Exported_Functions
 | |
|   * @{
 | |
|   */
 | |
| 
 | |
| /** @addtogroup USART_Exported_Functions_Group1
 | |
|   * @{
 | |
|   */
 | |
| /* Initialization/de-initialization functions  **********************************/
 | |
| HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
 | |
| HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
 | |
| void HAL_USART_MspInit(USART_HandleTypeDef *husart);
 | |
| void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
 | |
| 
 | |
| /* Callbacks Register/UnRegister functions  ***********************************/
 | |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1)
 | |
| HAL_StatusTypeDef HAL_USART_RegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID,
 | |
|                                              pUSART_CallbackTypeDef pCallback);
 | |
| HAL_StatusTypeDef HAL_USART_UnRegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID);
 | |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /** @addtogroup USART_Exported_Functions_Group2
 | |
|   * @{
 | |
|   */
 | |
| /* IO operation functions *******************************************************/
 | |
| HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
 | |
| HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
 | |
| HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
 | |
|                                             uint16_t Size, uint32_t Timeout);
 | |
| HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size);
 | |
| HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
 | |
| HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
 | |
|                                                uint16_t Size);
 | |
| HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size);
 | |
| HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
 | |
| HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData,
 | |
|                                                 uint16_t Size);
 | |
| HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
 | |
| HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
 | |
| HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
 | |
| /* Transfer Abort functions */
 | |
| HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart);
 | |
| HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart);
 | |
| 
 | |
| void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
 | |
| void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
 | |
| void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
 | |
| void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
 | |
| void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
 | |
| void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
 | |
| void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
 | |
| void HAL_USART_AbortCpltCallback(USART_HandleTypeDef *husart);
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /** @addtogroup USART_Exported_Functions_Group3
 | |
|   * @{
 | |
|   */
 | |
| /* Peripheral State functions  ************************************************/
 | |
| HAL_USART_StateTypeDef HAL_USART_GetState(const USART_HandleTypeDef *husart);
 | |
| uint32_t               HAL_USART_GetError(const USART_HandleTypeDef *husart);
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| /* Private types -------------------------------------------------------------*/
 | |
| /* Private variables ---------------------------------------------------------*/
 | |
| /* Private constants ---------------------------------------------------------*/
 | |
| /** @defgroup USART_Private_Constants USART Private Constants
 | |
|   * @{
 | |
|   */
 | |
| /** @brief USART interruptions flag mask
 | |
|   *
 | |
|   */
 | |
| #define USART_IT_MASK  ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \
 | |
|                         USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE )
 | |
| 
 | |
| #define USART_CR1_REG_INDEX          1U
 | |
| #define USART_CR2_REG_INDEX          2U
 | |
| #define USART_CR3_REG_INDEX          3U
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /* Private macros ------------------------------------------------------------*/
 | |
| /** @defgroup USART_Private_Macros USART Private Macros
 | |
|   * @{
 | |
|   */
 | |
| #define IS_USART_NACK_STATE(NACK)    (((NACK) == USART_NACK_ENABLE) || \
 | |
|                                       ((NACK) == USART_NACK_DISABLE))
 | |
| 
 | |
| #define IS_USART_LASTBIT(LASTBIT)    (((LASTBIT) == USART_LASTBIT_DISABLE) || \
 | |
|                                       ((LASTBIT) == USART_LASTBIT_ENABLE))
 | |
| 
 | |
| #define IS_USART_PHASE(CPHA)         (((CPHA) == USART_PHASE_1EDGE) || \
 | |
|                                       ((CPHA) == USART_PHASE_2EDGE))
 | |
| 
 | |
| #define IS_USART_POLARITY(CPOL)      (((CPOL) == USART_POLARITY_LOW) || \
 | |
|                                       ((CPOL) == USART_POLARITY_HIGH))
 | |
| 
 | |
| #define IS_USART_CLOCK(CLOCK)        (((CLOCK) == USART_CLOCK_DISABLE) || \
 | |
|                                       ((CLOCK) == USART_CLOCK_ENABLE))
 | |
| 
 | |
| #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \
 | |
|                                       ((LENGTH) == USART_WORDLENGTH_9B))
 | |
| 
 | |
| #define IS_USART_STOPBITS(STOPBITS)  (((STOPBITS) == USART_STOPBITS_1) || \
 | |
|                                       ((STOPBITS) == USART_STOPBITS_0_5) || \
 | |
|                                       ((STOPBITS) == USART_STOPBITS_1_5) || \
 | |
|                                       ((STOPBITS) == USART_STOPBITS_2))
 | |
| 
 | |
| #define IS_USART_PARITY(PARITY)      (((PARITY) == USART_PARITY_NONE) || \
 | |
|                                       ((PARITY) == USART_PARITY_EVEN) || \
 | |
|                                       ((PARITY) == USART_PARITY_ODD))
 | |
| 
 | |
| #define IS_USART_MODE(MODE)          ((((MODE) & (~((uint32_t)USART_MODE_TX_RX))) == 0x00U) && ((MODE) != 0x00U))
 | |
| 
 | |
| #define IS_USART_BAUDRATE(BAUDRATE)  ((BAUDRATE) <= 4500000U)
 | |
| 
 | |
| #define USART_DIV(_PCLK_, _BAUD_)      (((_PCLK_)*25U)/(4U*(_BAUD_)))
 | |
| 
 | |
| #define USART_DIVMANT(_PCLK_, _BAUD_)  (USART_DIV((_PCLK_), (_BAUD_))/100U)
 | |
| 
 | |
| #define USART_DIVFRAQ(_PCLK_, _BAUD_)  ((((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U) + 50U) / 100U)
 | |
| 
 | |
|   /* UART BRR = mantissa + overflow + fraction
 | |
|               = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF0) << 1) + (UART DIVFRAQ & 0x0FU) */
 | |
|             
 | |
| #define USART_BRR(_PCLK_, _BAUD_)      (((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4U) + \
 | |
|                                          ((USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0xF0U) << 1U)) + \
 | |
|                                         (USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU))
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /* Private functions ---------------------------------------------------------*/
 | |
| /** @defgroup USART_Private_Functions USART Private Functions
 | |
|   * @{
 | |
|   */
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| /**
 | |
|   * @}
 | |
|   */
 | |
| 
 | |
| #ifdef __cplusplus
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #endif /* __STM32F1xx_HAL_USART_H */
 | |
| 
 |