649 lines
28 KiB
C
649 lines
28 KiB
C
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/**
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******************************************************************************
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* @file stm32f4xx_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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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F4xx_HAL_USART_H
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#define __STM32F4xx_HAL_USART_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx_hal_def.h"
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/** @addtogroup STM32F4xx_HAL_Driver
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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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/* 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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* @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) / (8 * (husart->Init.BaudRate)))
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- FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8) + 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 USART_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 USART_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 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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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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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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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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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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* @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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* @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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USART_InitTypeDef Init; /*!< Usart communication parameters */
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const uint8_t *pTxBuffPtr; /*!< Pointer to Usart Tx transfer Buffer */
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uint16_t TxXferSize; /*!< Usart Tx Transfer size */
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__IO uint16_t TxXferCount; /*!< Usart Tx Transfer Counter */
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uint8_t *pRxBuffPtr; /*!< Pointer to Usart Rx transfer Buffer */
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uint16_t RxXferSize; /*!< Usart Rx Transfer size */
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__IO uint16_t RxXferCount; /*!< Usart Rx Transfer Counter */
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DMA_HandleTypeDef *hdmatx; /*!< Usart Tx DMA Handle parameters */
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DMA_HandleTypeDef *hdmarx; /*!< Usart Rx DMA Handle parameters */
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HAL_LockTypeDef Lock; /*!< Locking object */
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__IO HAL_USART_StateTypeDef State; /*!< Usart communication state */
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__IO uint32_t ErrorCode; /*!< USART Error code */
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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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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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} USART_HandleTypeDef;
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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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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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} HAL_USART_CallbackIDTypeDef;
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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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#endif /* USE_HAL_USART_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 USART_Exported_Constants USART Exported Constants
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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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/** @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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/** @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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/** @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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/** @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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/** @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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/** @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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/** @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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/** @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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/** @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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/** @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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/** @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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/* 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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/** @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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/** @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:
|
||
|
|
* @arg USART_FLAG_TXE: Transmit data register empty flag
|
||
|
|
* @arg USART_FLAG_TC: Transmission Complete flag
|
||
|
|
* @arg USART_FLAG_RXNE: Receive data register not empty flag
|
||
|
|
* @arg USART_FLAG_IDLE: Idle Line detection flag
|
||
|
|
* @arg USART_FLAG_ORE: Overrun Error flag
|
||
|
|
* @arg USART_FLAG_NE: Noise Error flag
|
||
|
|
* @arg USART_FLAG_FE: Framing Error flag
|
||
|
|
* @arg USART_FLAG_PE: Parity Error flag
|
||
|
|
* @retval The new state of __FLAG__ (TRUE or FALSE).
|
||
|
|
*/
|
||
|
|
#define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
|
||
|
|
|
||
|
|
/** @brief Clear the specified USART pending flags.
|
||
|
|
* @param __HANDLE__ specifies the USART Handle.
|
||
|
|
* USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
|
||
|
|
* @param __FLAG__ specifies the flag to check.
|
||
|
|
* This parameter can be any combination of the following values:
|
||
|
|
* @arg USART_FLAG_TC: Transmission Complete flag.
|
||
|
|
* @arg USART_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_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
|
||
|
|
|
||
|
|
/** @brief Clear the USART PE pending flag.
|
||
|
|
* @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_CLEAR_PEFLAG(__HANDLE__) \
|
||
|
|
do{ \
|
||
|
|
__IO uint32_t tmpreg = 0x00U; \
|
||
|
|
tmpreg = (__HANDLE__)->Instance->SR; \
|
||
|
|
tmpreg = (__HANDLE__)->Instance->DR; \
|
||
|
|
UNUSED(tmpreg); \
|
||
|
|
} while(0U)
|
||
|
|
|
||
|
|
/** @brief Clear the USART FE pending flag.
|
||
|
|
* @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_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
|
||
|
|
|
||
|
|
/** @brief Clear the USART NE pending flag.
|
||
|
|
* @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_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
|
||
|
|
|
||
|
|
/** @brief Clear the USART ORE pending flag.
|
||
|
|
* @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_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
|
||
|
|
|
||
|
|
/** @brief Clear the USART IDLE pending flag.
|
||
|
|
* @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_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__)
|
||
|
|
|
||
|
|
/** @brief Enables or disables the specified USART interrupts.
|
||
|
|
* @param __HANDLE__ specifies the USART Handle.
|
||
|
|
* USART Handle selects the USARTx peripheral (USART availability and x value depending on device).
|
||
|
|
* @param __INTERRUPT__ 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_PE: Parity Error interrupt
|
||
|
|
* @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) <= 12500000U)
|
||
|
|
|
||
|
|
#define USART_DIV(_PCLK_, _BAUD_) ((uint32_t)((((uint64_t)(_PCLK_))*25U)/(2U*((uint64_t)(_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)) * 8U) + 50U) / 100U)
|
||
|
|
|
||
|
|
/* UART BRR = mantissa + overflow + fraction
|
||
|
|
= (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07U) */
|
||
|
|
|
||
|
|
#define USART_BRR(_PCLK_, _BAUD_) (((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4U) + \
|
||
|
|
((USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0xF8U) << 1U)) + \
|
||
|
|
(USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x07U))
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Private functions ---------------------------------------------------------*/
|
||
|
|
/** @addtogroup USART_Private_Functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
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#endif /* __STM32F4xx_HAL_USART_H */
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