853 lines
42 KiB
C
853 lines
42 KiB
C
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/**
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******************************************************************************
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* @file stm32f1xx_hal_uart.h
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* @author MCD Application Team
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* @brief Header file of UART HAL module.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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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_UART_H
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#define __STM32F1xx_HAL_UART_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 "stm32f1xx_hal_def.h"
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/** @addtogroup STM32F1xx_HAL_Driver
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* @{
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*/
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/** @addtogroup UART
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/** @defgroup UART_Exported_Types UART Exported Types
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* @{
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*/
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/**
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* @brief UART 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 UART communication baud rate.
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The baud rate is computed using the following formula:
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- IntegerDivider = ((PCLKx) / (16 * (huart->Init.BaudRate)))
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- FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
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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 UART_Word_Length */
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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 UART_Stop_Bits */
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uint32_t Parity; /*!< Specifies the parity mode.
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This parameter can be a value of @ref UART_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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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 UART_Mode */
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uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled or disabled.
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This parameter can be a value of @ref UART_Hardware_Flow_Control */
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uint32_t OverSampling; /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8).
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This parameter can be a value of @ref UART_Over_Sampling. This feature is only available
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on STM32F100xx family, so OverSampling parameter should always be set to 16. */
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} UART_InitTypeDef;
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/**
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* @brief HAL UART State structures definition
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* @note HAL UART State value is a combination of 2 different substates: gState and RxState.
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* - gState contains UART state information related to global Handle management
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* and also information related to Tx operations.
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* gState value coding follow below described bitmap :
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* b7-b6 Error information
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* 00 : No Error
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* 01 : (Not Used)
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* 10 : Timeout
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* 11 : Error
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* b5 Peripheral initialization status
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* 0 : Reset (Peripheral not initialized)
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* 1 : Init done (Peripheral not initialized. HAL UART Init function already called)
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* b4-b3 (not used)
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* xx : Should be set to 00
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* b2 Intrinsic process state
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* 0 : Ready
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* 1 : Busy (Peripheral busy with some configuration or internal operations)
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* b1 (not used)
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* x : Should be set to 0
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* b0 Tx state
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* 0 : Ready (no Tx operation ongoing)
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* 1 : Busy (Tx operation ongoing)
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* - RxState contains information related to Rx operations.
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* RxState value coding follow below described bitmap :
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* b7-b6 (not used)
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* xx : Should be set to 00
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* b5 Peripheral initialization status
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* 0 : Reset (Peripheral not initialized)
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* 1 : Init done (Peripheral not initialized)
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* b4-b2 (not used)
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* xxx : Should be set to 000
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* b1 Rx state
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* 0 : Ready (no Rx operation ongoing)
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* 1 : Busy (Rx operation ongoing)
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* b0 (not used)
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* x : Should be set to 0.
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*/
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typedef enum
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{
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HAL_UART_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized
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Value is allowed for gState and RxState */
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HAL_UART_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use
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Value is allowed for gState and RxState */
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HAL_UART_STATE_BUSY = 0x24U, /*!< an internal process is ongoing
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Value is allowed for gState only */
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HAL_UART_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing
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Value is allowed for gState only */
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HAL_UART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing
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Value is allowed for RxState only */
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HAL_UART_STATE_BUSY_TX_RX = 0x23U, /*!< Data Transmission and Reception process is ongoing
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Not to be used for neither gState nor RxState.
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Value is result of combination (Or) between gState and RxState values */
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HAL_UART_STATE_TIMEOUT = 0xA0U, /*!< Timeout state
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Value is allowed for gState only */
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HAL_UART_STATE_ERROR = 0xE0U /*!< Error
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Value is allowed for gState only */
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} HAL_UART_StateTypeDef;
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/**
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* @brief UART handle Structure definition
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*/
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typedef struct __UART_HandleTypeDef
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{
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USART_TypeDef *Instance; /*!< UART registers base address */
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UART_InitTypeDef Init; /*!< UART communication parameters */
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uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */
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uint16_t TxXferSize; /*!< UART Tx Transfer size */
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__IO uint16_t TxXferCount; /*!< UART Tx Transfer Counter */
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uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */
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uint16_t RxXferSize; /*!< UART Rx Transfer size */
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__IO uint16_t RxXferCount; /*!< UART Rx Transfer Counter */
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DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */
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DMA_HandleTypeDef *hdmarx; /*!< UART Rx DMA Handle parameters */
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HAL_LockTypeDef Lock; /*!< Locking object */
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__IO HAL_UART_StateTypeDef gState; /*!< UART state information related to global Handle management
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and also related to Tx operations.
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This parameter can be a value of @ref HAL_UART_StateTypeDef */
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__IO HAL_UART_StateTypeDef RxState; /*!< UART state information related to Rx operations.
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This parameter can be a value of @ref HAL_UART_StateTypeDef */
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__IO uint32_t ErrorCode; /*!< UART Error code */
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#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
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void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Half Complete Callback */
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void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Complete Callback */
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void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Half Complete Callback */
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void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Complete Callback */
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void (* ErrorCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Error Callback */
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void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Complete Callback */
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void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
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void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Receive Complete Callback */
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void (* WakeupCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Wakeup Callback */
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void (* MspInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp Init callback */
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void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp DeInit callback */
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#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
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} UART_HandleTypeDef;
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#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
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/**
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* @brief HAL UART Callback ID enumeration definition
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*/
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typedef enum
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{
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HAL_UART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< UART Tx Half Complete Callback ID */
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HAL_UART_TX_COMPLETE_CB_ID = 0x01U, /*!< UART Tx Complete Callback ID */
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HAL_UART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< UART Rx Half Complete Callback ID */
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HAL_UART_RX_COMPLETE_CB_ID = 0x03U, /*!< UART Rx Complete Callback ID */
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HAL_UART_ERROR_CB_ID = 0x04U, /*!< UART Error Callback ID */
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HAL_UART_ABORT_COMPLETE_CB_ID = 0x05U, /*!< UART Abort Complete Callback ID */
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HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U, /*!< UART Abort Transmit Complete Callback ID */
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HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID = 0x07U, /*!< UART Abort Receive Complete Callback ID */
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HAL_UART_WAKEUP_CB_ID = 0x08U, /*!< UART Wakeup Callback ID */
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HAL_UART_MSPINIT_CB_ID = 0x0BU, /*!< UART MspInit callback ID */
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HAL_UART_MSPDEINIT_CB_ID = 0x0CU /*!< UART MspDeInit callback ID */
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} HAL_UART_CallbackIDTypeDef;
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/**
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* @brief HAL UART Callback pointer definition
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*/
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typedef void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */
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#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
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/**
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* @}
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*/
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup UART_Exported_Constants UART Exported Constants
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* @{
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*/
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/** @defgroup UART_Error_Code UART Error Code
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* @{
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*/
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#define HAL_UART_ERROR_NONE 0x00000000U /*!< No error */
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#define HAL_UART_ERROR_PE 0x00000001U /*!< Parity error */
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#define HAL_UART_ERROR_NE 0x00000002U /*!< Noise error */
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#define HAL_UART_ERROR_FE 0x00000004U /*!< Frame error */
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#define HAL_UART_ERROR_ORE 0x00000008U /*!< Overrun error */
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#define HAL_UART_ERROR_DMA 0x00000010U /*!< DMA transfer error */
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#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
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#define HAL_UART_ERROR_INVALID_CALLBACK 0x00000020U /*!< Invalid Callback error */
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#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
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/**
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* @}
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*/
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/** @defgroup UART_Word_Length UART Word Length
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* @{
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*/
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#define UART_WORDLENGTH_8B 0x00000000U
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#define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
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/**
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* @}
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*/
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/** @defgroup UART_Stop_Bits UART Number of Stop Bits
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* @{
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*/
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#define UART_STOPBITS_1 0x00000000U
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#define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
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/**
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* @}
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*/
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/** @defgroup UART_Parity UART Parity
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* @{
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*/
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#define UART_PARITY_NONE 0x00000000U
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#define UART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
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#define UART_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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/** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
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* @{
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*/
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#define UART_HWCONTROL_NONE 0x00000000U
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#define UART_HWCONTROL_RTS ((uint32_t)USART_CR3_RTSE)
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#define UART_HWCONTROL_CTS ((uint32_t)USART_CR3_CTSE)
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#define UART_HWCONTROL_RTS_CTS ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
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/**
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* @}
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*/
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/** @defgroup UART_Mode UART Transfer Mode
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* @{
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*/
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#define UART_MODE_RX ((uint32_t)USART_CR1_RE)
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#define UART_MODE_TX ((uint32_t)USART_CR1_TE)
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#define UART_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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/** @defgroup UART_State UART State
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* @{
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*/
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#define UART_STATE_DISABLE 0x00000000U
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#define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE)
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/**
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* @}
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*/
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/** @defgroup UART_Over_Sampling UART Over Sampling
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* @{
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*/
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#define UART_OVERSAMPLING_16 0x00000000U
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#if defined(USART_CR1_OVER8)
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#define UART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8)
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#endif /* USART_CR1_OVER8 */
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/**
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* @}
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*/
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/** @defgroup UART_LIN_Break_Detection_Length UART LIN Break Detection Length
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* @{
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*/
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#define UART_LINBREAKDETECTLENGTH_10B 0x00000000U
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#define UART_LINBREAKDETECTLENGTH_11B ((uint32_t)USART_CR2_LBDL)
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/**
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* @}
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*/
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/** @defgroup UART_WakeUp_functions UART Wakeup Functions
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* @{
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*/
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#define UART_WAKEUPMETHOD_IDLELINE 0x00000000U
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#define UART_WAKEUPMETHOD_ADDRESSMARK ((uint32_t)USART_CR1_WAKE)
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/**
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* @}
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*/
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/** @defgroup UART_Flags UART 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 UART_FLAG_CTS ((uint32_t)USART_SR_CTS)
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#define UART_FLAG_LBD ((uint32_t)USART_SR_LBD)
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#define UART_FLAG_TXE ((uint32_t)USART_SR_TXE)
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#define UART_FLAG_TC ((uint32_t)USART_SR_TC)
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#define UART_FLAG_RXNE ((uint32_t)USART_SR_RXNE)
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#define UART_FLAG_IDLE ((uint32_t)USART_SR_IDLE)
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#define UART_FLAG_ORE ((uint32_t)USART_SR_ORE)
|
||
|
|
#define UART_FLAG_NE ((uint32_t)USART_SR_NE)
|
||
|
|
#define UART_FLAG_FE ((uint32_t)USART_SR_FE)
|
||
|
|
#define UART_FLAG_PE ((uint32_t)USART_SR_PE)
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup UART_Interrupt_definition UART Interrupt Definitions
|
||
|
|
* Elements values convention: 0xY000XXXX
|
||
|
|
* - XXXX : Interrupt mask (16 bits) in the Y register
|
||
|
|
* - Y : Interrupt source register (2bits)
|
||
|
|
* - 0001: CR1 register
|
||
|
|
* - 0010: CR2 register
|
||
|
|
* - 0011: CR3 register
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define UART_IT_PE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
|
||
|
|
#define UART_IT_TXE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
|
||
|
|
#define UART_IT_TC ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
|
||
|
|
#define UART_IT_RXNE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
|
||
|
|
#define UART_IT_IDLE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
|
||
|
|
|
||
|
|
#define UART_IT_LBD ((uint32_t)(UART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))
|
||
|
|
|
||
|
|
#define UART_IT_CTS ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
|
||
|
|
#define UART_IT_ERR ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Exported macro ------------------------------------------------------------*/
|
||
|
|
/** @defgroup UART_Exported_Macros UART Exported Macros
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @brief Reset UART handle gstate & RxState
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
|
||
|
|
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
|
||
|
|
(__HANDLE__)->gState = HAL_UART_STATE_RESET; \
|
||
|
|
(__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
|
||
|
|
(__HANDLE__)->MspInitCallback = NULL; \
|
||
|
|
(__HANDLE__)->MspDeInitCallback = NULL; \
|
||
|
|
} while(0U)
|
||
|
|
#else
|
||
|
|
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \
|
||
|
|
(__HANDLE__)->gState = HAL_UART_STATE_RESET; \
|
||
|
|
(__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
|
||
|
|
} while(0U)
|
||
|
|
#endif /*USE_HAL_UART_REGISTER_CALLBACKS */
|
||
|
|
|
||
|
|
/** @brief Flushes the UART DR register
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
|
||
|
|
|
||
|
|
/** @brief Checks whether the specified UART flag is set or not.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @param __FLAG__ specifies the flag to check.
|
||
|
|
* This parameter can be one of the following values:
|
||
|
|
* @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5)
|
||
|
|
* @arg UART_FLAG_LBD: LIN Break detection flag
|
||
|
|
* @arg UART_FLAG_TXE: Transmit data register empty flag
|
||
|
|
* @arg UART_FLAG_TC: Transmission Complete flag
|
||
|
|
* @arg UART_FLAG_RXNE: Receive data register not empty flag
|
||
|
|
* @arg UART_FLAG_IDLE: Idle Line detection flag
|
||
|
|
* @arg UART_FLAG_ORE: Overrun Error flag
|
||
|
|
* @arg UART_FLAG_NE: Noise Error flag
|
||
|
|
* @arg UART_FLAG_FE: Framing Error flag
|
||
|
|
* @arg UART_FLAG_PE: Parity Error flag
|
||
|
|
* @retval The new state of __FLAG__ (TRUE or FALSE).
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
|
||
|
|
|
||
|
|
/** @brief Clears the specified UART pending flag.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @param __FLAG__ specifies the flag to check.
|
||
|
|
* This parameter can be any combination of the following values:
|
||
|
|
* @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5).
|
||
|
|
* @arg UART_FLAG_LBD: LIN Break detection flag.
|
||
|
|
* @arg UART_FLAG_TC: Transmission Complete flag.
|
||
|
|
* @arg UART_FLAG_RXNE: Receive data register not empty flag.
|
||
|
|
*
|
||
|
|
* @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
|
||
|
|
* error) and IDLE (Idle line detected) flags are cleared by software
|
||
|
|
* sequence: a read operation to USART_SR register followed by a read
|
||
|
|
* operation to USART_DR register.
|
||
|
|
* @note RXNE flag can be also cleared by a read to the USART_DR register.
|
||
|
|
* @note TC flag can be also cleared by software sequence: a read operation to
|
||
|
|
* USART_SR register followed by a write operation to USART_DR register.
|
||
|
|
* @note TXE flag is cleared only by a write to the USART_DR register.
|
||
|
|
*
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
|
||
|
|
|
||
|
|
/** @brief Clears the UART PE pending flag.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) \
|
||
|
|
do{ \
|
||
|
|
__IO uint32_t tmpreg = 0x00U; \
|
||
|
|
tmpreg = (__HANDLE__)->Instance->SR; \
|
||
|
|
tmpreg = (__HANDLE__)->Instance->DR; \
|
||
|
|
UNUSED(tmpreg); \
|
||
|
|
} while(0U)
|
||
|
|
|
||
|
|
/** @brief Clears the UART FE pending flag.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
|
||
|
|
|
||
|
|
/** @brief Clears the UART NE pending flag.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
|
||
|
|
|
||
|
|
/** @brief Clears the UART ORE pending flag.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
|
||
|
|
|
||
|
|
/** @brief Clears the UART IDLE pending flag.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
|
||
|
|
|
||
|
|
/** @brief Enable the specified UART interrupt.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @param __INTERRUPT__ specifies the UART interrupt source to enable.
|
||
|
|
* This parameter can be one of the following values:
|
||
|
|
* @arg UART_IT_CTS: CTS change interrupt
|
||
|
|
* @arg UART_IT_LBD: LIN Break detection interrupt
|
||
|
|
* @arg UART_IT_TXE: Transmit Data Register empty interrupt
|
||
|
|
* @arg UART_IT_TC: Transmission complete interrupt
|
||
|
|
* @arg UART_IT_RXNE: Receive Data register not empty interrupt
|
||
|
|
* @arg UART_IT_IDLE: Idle line detection interrupt
|
||
|
|
* @arg UART_IT_PE: Parity Error interrupt
|
||
|
|
* @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \
|
||
|
|
(((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \
|
||
|
|
((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK)))
|
||
|
|
|
||
|
|
/** @brief Disable the specified UART interrupt.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @param __INTERRUPT__ specifies the UART interrupt source to disable.
|
||
|
|
* This parameter can be one of the following values:
|
||
|
|
* @arg UART_IT_CTS: CTS change interrupt
|
||
|
|
* @arg UART_IT_LBD: LIN Break detection interrupt
|
||
|
|
* @arg UART_IT_TXE: Transmit Data Register empty interrupt
|
||
|
|
* @arg UART_IT_TC: Transmission complete interrupt
|
||
|
|
* @arg UART_IT_RXNE: Receive Data register not empty interrupt
|
||
|
|
* @arg UART_IT_IDLE: Idle line detection interrupt
|
||
|
|
* @arg UART_IT_PE: Parity Error interrupt
|
||
|
|
* @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
|
||
|
|
(((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
|
||
|
|
((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK)))
|
||
|
|
|
||
|
|
/** @brief Checks whether the specified UART interrupt has occurred or not.
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* UART Handle selects the USARTx or UARTy peripheral
|
||
|
|
* (USART,UART availability and x,y values depending on device).
|
||
|
|
* @param __IT__ specifies the UART interrupt source to check.
|
||
|
|
* This parameter can be one of the following values:
|
||
|
|
* @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5)
|
||
|
|
* @arg UART_IT_LBD: LIN Break detection interrupt
|
||
|
|
* @arg UART_IT_TXE: Transmit Data Register empty interrupt
|
||
|
|
* @arg UART_IT_TC: Transmission complete interrupt
|
||
|
|
* @arg UART_IT_RXNE: Receive Data register not empty interrupt
|
||
|
|
* @arg UART_IT_IDLE: Idle line detection interrupt
|
||
|
|
* @arg UART_IT_ERR: Error interrupt
|
||
|
|
* @retval The new state of __IT__ (TRUE or FALSE).
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == UART_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == UART_CR2_REG_INDEX)? \
|
||
|
|
(__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK))
|
||
|
|
|
||
|
|
/** @brief Enable CTS flow control
|
||
|
|
* @note This macro allows to enable CTS hardware flow control for a given UART instance,
|
||
|
|
* without need to call HAL_UART_Init() function.
|
||
|
|
* As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
||
|
|
* @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
|
||
|
|
* for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
||
|
|
* - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
||
|
|
* - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
||
|
|
* and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* The Handle Instance can be any USARTx (supporting the HW Flow control feature).
|
||
|
|
* It is used to select the USART peripheral (USART availability and x value depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \
|
||
|
|
do{ \
|
||
|
|
SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
|
||
|
|
(__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \
|
||
|
|
} while(0U)
|
||
|
|
|
||
|
|
/** @brief Disable CTS flow control
|
||
|
|
* @note This macro allows to disable CTS hardware flow control for a given UART instance,
|
||
|
|
* without need to call HAL_UART_Init() function.
|
||
|
|
* As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
||
|
|
* @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
|
||
|
|
* for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
||
|
|
* - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
||
|
|
* - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
||
|
|
* and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* The Handle Instance can be any USARTx (supporting the HW Flow control feature).
|
||
|
|
* It is used to select the USART peripheral (USART availability and x value depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \
|
||
|
|
do{ \
|
||
|
|
CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
|
||
|
|
(__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \
|
||
|
|
} while(0U)
|
||
|
|
|
||
|
|
/** @brief Enable RTS flow control
|
||
|
|
* This macro allows to enable RTS hardware flow control for a given UART instance,
|
||
|
|
* without need to call HAL_UART_Init() function.
|
||
|
|
* As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
||
|
|
* @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
|
||
|
|
* for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
||
|
|
* - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
||
|
|
* - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
||
|
|
* and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* The Handle Instance can be any USARTx (supporting the HW Flow control feature).
|
||
|
|
* It is used to select the USART peripheral (USART availability and x value depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \
|
||
|
|
do{ \
|
||
|
|
SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
|
||
|
|
(__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \
|
||
|
|
} while(0U)
|
||
|
|
|
||
|
|
/** @brief Disable RTS flow control
|
||
|
|
* This macro allows to disable RTS hardware flow control for a given UART instance,
|
||
|
|
* without need to call HAL_UART_Init() function.
|
||
|
|
* As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
||
|
|
* @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
|
||
|
|
* for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
||
|
|
* - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
||
|
|
* - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
||
|
|
* and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* The Handle Instance can be any USARTx (supporting the HW Flow control feature).
|
||
|
|
* It is used to select the USART peripheral (USART availability and x value depending on device).
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \
|
||
|
|
do{ \
|
||
|
|
CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
|
||
|
|
(__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \
|
||
|
|
} while(0U)
|
||
|
|
#if defined(USART_CR3_ONEBIT)
|
||
|
|
|
||
|
|
/** @brief Macro to enable the UART's one bit sample method
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
|
||
|
|
|
||
|
|
/** @brief Macro to disable the UART's one bit sample method
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
|
||
|
|
#endif /* UART_ONE_BIT_SAMPLE_Feature */
|
||
|
|
|
||
|
|
/** @brief Enable UART
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
|
||
|
|
|
||
|
|
/** @brief Disable UART
|
||
|
|
* @param __HANDLE__ specifies the UART Handle.
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Exported functions --------------------------------------------------------*/
|
||
|
|
/** @addtogroup UART_Exported_Functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Initialization/de-initialization functions **********************************/
|
||
|
|
HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
|
||
|
|
HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
|
||
|
|
HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_MspInit(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
|
||
|
|
|
||
|
|
/* Callbacks Register/UnRegister functions ***********************************/
|
||
|
|
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
|
||
|
|
HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID, pUART_CallbackTypeDef pCallback);
|
||
|
|
HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
|
||
|
|
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @addtogroup UART_Exported_Functions_Group2 IO operation functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* IO operation functions *******************************************************/
|
||
|
|
HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
||
|
|
HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
||
|
|
HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
|
||
|
|
/* Transfer Abort functions */
|
||
|
|
HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
|
||
|
|
|
||
|
|
void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
|
||
|
|
void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @addtogroup UART_Exported_Functions_Group3
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/* Peripheral Control functions ************************************************/
|
||
|
|
HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
|
||
|
|
HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @addtogroup UART_Exported_Functions_Group4
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/* Peripheral State functions **************************************************/
|
||
|
|
HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
|
||
|
|
uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart);
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
/* Private types -------------------------------------------------------------*/
|
||
|
|
/* Private variables ---------------------------------------------------------*/
|
||
|
|
/* Private constants ---------------------------------------------------------*/
|
||
|
|
/** @defgroup UART_Private_Constants UART Private Constants
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/** @brief UART interruptions flag mask
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#define UART_IT_MASK 0x0000FFFFU
|
||
|
|
|
||
|
|
#define UART_CR1_REG_INDEX 1U
|
||
|
|
#define UART_CR2_REG_INDEX 2U
|
||
|
|
#define UART_CR3_REG_INDEX 3U
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Private macros ------------------------------------------------------------*/
|
||
|
|
/** @defgroup UART_Private_Macros UART Private Macros
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \
|
||
|
|
((LENGTH) == UART_WORDLENGTH_9B))
|
||
|
|
#define IS_UART_LIN_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B))
|
||
|
|
#define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
|
||
|
|
((STOPBITS) == UART_STOPBITS_2))
|
||
|
|
#define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
|
||
|
|
((PARITY) == UART_PARITY_EVEN) || \
|
||
|
|
((PARITY) == UART_PARITY_ODD))
|
||
|
|
#define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
|
||
|
|
(((CONTROL) == UART_HWCONTROL_NONE) || \
|
||
|
|
((CONTROL) == UART_HWCONTROL_RTS) || \
|
||
|
|
((CONTROL) == UART_HWCONTROL_CTS) || \
|
||
|
|
((CONTROL) == UART_HWCONTROL_RTS_CTS))
|
||
|
|
#define IS_UART_MODE(MODE) ((((MODE) & 0x0000FFF3U) == 0x00U) && ((MODE) != 0x00U))
|
||
|
|
#define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
|
||
|
|
((STATE) == UART_STATE_ENABLE))
|
||
|
|
#if defined(USART_CR1_OVER8)
|
||
|
|
#define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
|
||
|
|
((SAMPLING) == UART_OVERSAMPLING_8))
|
||
|
|
#endif /* USART_CR1_OVER8 */
|
||
|
|
#define IS_UART_LIN_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16))
|
||
|
|
#define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \
|
||
|
|
((LENGTH) == UART_LINBREAKDETECTLENGTH_11B))
|
||
|
|
#define IS_UART_WAKEUPMETHOD(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHOD_IDLELINE) || \
|
||
|
|
((WAKEUP) == UART_WAKEUPMETHOD_ADDRESSMARK))
|
||
|
|
#define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) <= 4500000U)
|
||
|
|
#define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0x0FU)
|
||
|
|
|
||
|
|
#define UART_DIV_SAMPLING16(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(4U*(_BAUD_)))
|
||
|
|
#define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_) (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100U)
|
||
|
|
#define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)
|
||
|
|
/* UART BRR = mantissa + overflow + fraction
|
||
|
|
= (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0FU) */
|
||
|
|
#define UART_BRR_SAMPLING16(_PCLK_, _BAUD_) (((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4U) + \
|
||
|
|
(UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0xF0U)) + \
|
||
|
|
(UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0FU))
|
||
|
|
|
||
|
|
#define UART_DIV_SAMPLING8(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_)))
|
||
|
|
#define UART_DIVMANT_SAMPLING8(_PCLK_, _BAUD_) (UART_DIV_SAMPLING8((_PCLK_), (_BAUD_))/100U)
|
||
|
|
#define UART_DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100U)) * 8U + 50U) / 100U)
|
||
|
|
/* UART BRR = mantissa + overflow + fraction
|
||
|
|
= (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07U) */
|
||
|
|
#define UART_BRR_SAMPLING8(_PCLK_, _BAUD_) (((UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4U) + \
|
||
|
|
((UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0xF8U) << 1U)) + \
|
||
|
|
(UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x07U))
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Private functions ---------------------------------------------------------*/
|
||
|
|
/** @defgroup UART_Private_Functions UART Private Functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __STM32F1xx_HAL_UART_H */
|
||
|
|
|
||
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|