2659 lines
96 KiB
C
2659 lines
96 KiB
C
/**
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******************************************************************************
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* @file stm32h7xx_ll_lpuart.h
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* @author MCD Application Team
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* @brief Header file of LPUART LL module.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 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 STM32H7xx_LL_LPUART_H
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#define STM32H7xx_LL_LPUART_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 "stm32h7xx.h"
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/** @addtogroup STM32H7xx_LL_Driver
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* @{
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*/
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#if defined (LPUART1)
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/** @defgroup LPUART_LL LPUART
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* @{
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*/
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/* Private types -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/** @defgroup LPUART_LL_Private_Variables LPUART Private Variables
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* @{
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*/
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/* Array used to get the LPUART prescaler division decimal values versus @ref LPUART_LL_EC_PRESCALER values */
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static const uint16_t LPUART_PRESCALER_TAB[] =
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{
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(uint16_t)1,
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(uint16_t)2,
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(uint16_t)4,
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(uint16_t)6,
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(uint16_t)8,
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(uint16_t)10,
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(uint16_t)12,
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(uint16_t)16,
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(uint16_t)32,
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(uint16_t)64,
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(uint16_t)128,
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(uint16_t)256
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};
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/**
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* @}
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*/
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/* Private constants ---------------------------------------------------------*/
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/** @defgroup LPUART_LL_Private_Constants LPUART Private Constants
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* @{
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*/
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/* Defines used in Baud Rate related macros and corresponding register setting computation */
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#define LPUART_LPUARTDIV_FREQ_MUL 256U
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#define LPUART_BRR_MASK 0x000FFFFFU
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#define LPUART_BRR_MIN_VALUE 0x00000300U
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/**
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* @}
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*/
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/* Private macros ------------------------------------------------------------*/
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#if defined(USE_FULL_LL_DRIVER)
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/** @defgroup LPUART_LL_Private_Macros LPUART Private Macros
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* @{
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*/
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/**
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* @}
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*/
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#endif /*USE_FULL_LL_DRIVER*/
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/* Exported types ------------------------------------------------------------*/
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#if defined(USE_FULL_LL_DRIVER)
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/** @defgroup LPUART_LL_ES_INIT LPUART Exported Init structures
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* @{
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*/
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/**
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* @brief LL LPUART Init Structure definition
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*/
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typedef struct
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{
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uint32_t PrescalerValue; /*!< Specifies the Prescaler to compute the communication baud rate.
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This parameter can be a value of @ref LPUART_LL_EC_PRESCALER.
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This feature can be modified afterwards using unitary
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function @ref LL_LPUART_SetPrescaler().*/
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uint32_t BaudRate; /*!< This field defines expected LPUART communication baud rate.
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This feature can be modified afterwards using unitary
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function @ref LL_LPUART_SetBaudRate().*/
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uint32_t DataWidth; /*!< Specifies the number of data bits transmitted or received in a frame.
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This parameter can be a value of @ref LPUART_LL_EC_DATAWIDTH.
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This feature can be modified afterwards using unitary
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function @ref LL_LPUART_SetDataWidth().*/
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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 LPUART_LL_EC_STOPBITS.
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This feature can be modified afterwards using unitary
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function @ref LL_LPUART_SetStopBitsLength().*/
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uint32_t Parity; /*!< Specifies the parity mode.
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This parameter can be a value of @ref LPUART_LL_EC_PARITY.
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This feature can be modified afterwards using unitary
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function @ref LL_LPUART_SetParity().*/
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uint32_t TransferDirection; /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled.
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This parameter can be a value of @ref LPUART_LL_EC_DIRECTION.
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This feature can be modified afterwards using unitary
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function @ref LL_LPUART_SetTransferDirection().*/
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uint32_t HardwareFlowControl; /*!< Specifies whether the hardware flow control mode is enabled or disabled.
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This parameter can be a value of @ref LPUART_LL_EC_HWCONTROL.
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This feature can be modified afterwards using unitary
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function @ref LL_LPUART_SetHWFlowCtrl().*/
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} LL_LPUART_InitTypeDef;
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/**
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* @}
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*/
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#endif /* USE_FULL_LL_DRIVER */
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup LPUART_LL_Exported_Constants LPUART Exported Constants
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* @{
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*/
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/** @defgroup LPUART_LL_EC_CLEAR_FLAG Clear Flags Defines
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* @brief Flags defines which can be used with LL_LPUART_WriteReg function
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* @{
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*/
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#define LL_LPUART_ICR_PECF USART_ICR_PECF /*!< Parity error clear flag */
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#define LL_LPUART_ICR_FECF USART_ICR_FECF /*!< Framing error clear flag */
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#define LL_LPUART_ICR_NCF USART_ICR_NECF /*!< Noise error detected clear flag */
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#define LL_LPUART_ICR_ORECF USART_ICR_ORECF /*!< Overrun error clear flag */
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#define LL_LPUART_ICR_IDLECF USART_ICR_IDLECF /*!< Idle line detected clear flag */
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#define LL_LPUART_ICR_TCCF USART_ICR_TCCF /*!< Transmission complete clear flag */
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#define LL_LPUART_ICR_CTSCF USART_ICR_CTSCF /*!< CTS clear flag */
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#define LL_LPUART_ICR_CMCF USART_ICR_CMCF /*!< Character match clear flag */
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#define LL_LPUART_ICR_WUCF USART_ICR_WUCF /*!< Wakeup from Stop mode clear flag */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_GET_FLAG Get Flags Defines
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* @brief Flags defines which can be used with LL_LPUART_ReadReg function
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* @{
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*/
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#define LL_LPUART_ISR_PE USART_ISR_PE /*!< Parity error flag */
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#define LL_LPUART_ISR_FE USART_ISR_FE /*!< Framing error flag */
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#define LL_LPUART_ISR_NE USART_ISR_NE /*!< Noise detected flag */
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#define LL_LPUART_ISR_ORE USART_ISR_ORE /*!< Overrun error flag */
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#define LL_LPUART_ISR_IDLE USART_ISR_IDLE /*!< Idle line detected flag */
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#define LL_LPUART_ISR_RXNE_RXFNE USART_ISR_RXNE_RXFNE /*!< Read data register or RX FIFO not empty flag */
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#define LL_LPUART_ISR_TC USART_ISR_TC /*!< Transmission complete flag */
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#define LL_LPUART_ISR_TXE_TXFNF USART_ISR_TXE_TXFNF /*!< Transmit data register empty or TX FIFO Not Full flag*/
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#define LL_LPUART_ISR_CTSIF USART_ISR_CTSIF /*!< CTS interrupt flag */
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#define LL_LPUART_ISR_CTS USART_ISR_CTS /*!< CTS flag */
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#define LL_LPUART_ISR_BUSY USART_ISR_BUSY /*!< Busy flag */
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#define LL_LPUART_ISR_CMF USART_ISR_CMF /*!< Character match flag */
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#define LL_LPUART_ISR_SBKF USART_ISR_SBKF /*!< Send break flag */
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#define LL_LPUART_ISR_RWU USART_ISR_RWU /*!< Receiver wakeup from Mute mode flag */
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#define LL_LPUART_ISR_WUF USART_ISR_WUF /*!< Wakeup from Stop mode flag */
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#define LL_LPUART_ISR_TEACK USART_ISR_TEACK /*!< Transmit enable acknowledge flag */
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#define LL_LPUART_ISR_REACK USART_ISR_REACK /*!< Receive enable acknowledge flag */
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#define LL_LPUART_ISR_TXFE USART_ISR_TXFE /*!< TX FIFO empty flag */
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#define LL_LPUART_ISR_RXFF USART_ISR_RXFF /*!< RX FIFO full flag */
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#define LL_LPUART_ISR_RXFT USART_ISR_RXFT /*!< RX FIFO threshold flag */
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#define LL_LPUART_ISR_TXFT USART_ISR_TXFT /*!< TX FIFO threshold flag */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_IT IT Defines
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* @brief IT defines which can be used with LL_LPUART_ReadReg and LL_LPUART_WriteReg functions
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* @{
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*/
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#define LL_LPUART_CR1_IDLEIE USART_CR1_IDLEIE /*!< IDLE interrupt enable */
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#define LL_LPUART_CR1_RXNEIE_RXFNEIE USART_CR1_RXNEIE_RXFNEIE /*!< Read data register and RXFIFO not empty
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interrupt enable */
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#define LL_LPUART_CR1_TCIE USART_CR1_TCIE /*!< Transmission complete interrupt enable */
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#define LL_LPUART_CR1_TXEIE_TXFNFIE USART_CR1_TXEIE_TXFNFIE /*!< Transmit data register empty and TX FIFO
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not full interrupt enable */
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#define LL_LPUART_CR1_PEIE USART_CR1_PEIE /*!< Parity error */
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#define LL_LPUART_CR1_CMIE USART_CR1_CMIE /*!< Character match interrupt enable */
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#define LL_LPUART_CR1_TXFEIE USART_CR1_TXFEIE /*!< TX FIFO empty interrupt enable */
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#define LL_LPUART_CR1_RXFFIE USART_CR1_RXFFIE /*!< RX FIFO full interrupt enable */
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#define LL_LPUART_CR3_EIE USART_CR3_EIE /*!< Error interrupt enable */
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#define LL_LPUART_CR3_CTSIE USART_CR3_CTSIE /*!< CTS interrupt enable */
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#define LL_LPUART_CR3_WUFIE USART_CR3_WUFIE /*!< Wakeup from Stop mode interrupt enable */
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#define LL_LPUART_CR3_TXFTIE USART_CR3_TXFTIE /*!< TX FIFO threshold interrupt enable */
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#define LL_LPUART_CR3_RXFTIE USART_CR3_RXFTIE /*!< RX FIFO threshold interrupt enable */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_FIFOTHRESHOLD FIFO Threshold
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* @{
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*/
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#define LL_LPUART_FIFOTHRESHOLD_1_8 0x00000000U /*!< FIFO reaches 1/8 of its depth */
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#define LL_LPUART_FIFOTHRESHOLD_1_4 0x00000001U /*!< FIFO reaches 1/4 of its depth */
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#define LL_LPUART_FIFOTHRESHOLD_1_2 0x00000002U /*!< FIFO reaches 1/2 of its depth */
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#define LL_LPUART_FIFOTHRESHOLD_3_4 0x00000003U /*!< FIFO reaches 3/4 of its depth */
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#define LL_LPUART_FIFOTHRESHOLD_7_8 0x00000004U /*!< FIFO reaches 7/8 of its depth */
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#define LL_LPUART_FIFOTHRESHOLD_8_8 0x00000005U /*!< FIFO becomes empty for TX and full for RX */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_DIRECTION Direction
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* @{
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*/
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#define LL_LPUART_DIRECTION_NONE 0x00000000U /*!< Transmitter and Receiver are disabled */
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#define LL_LPUART_DIRECTION_RX USART_CR1_RE /*!< Transmitter is disabled and Receiver is enabled */
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#define LL_LPUART_DIRECTION_TX USART_CR1_TE /*!< Transmitter is enabled and Receiver is disabled */
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#define LL_LPUART_DIRECTION_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< Transmitter and Receiver are enabled */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_PARITY Parity Control
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* @{
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*/
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#define LL_LPUART_PARITY_NONE 0x00000000U /*!< Parity control disabled */
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#define LL_LPUART_PARITY_EVEN USART_CR1_PCE /*!< Parity control enabled and Even Parity is selected */
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#define LL_LPUART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Parity control enabled and Odd Parity is selected */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_WAKEUP Wakeup
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* @{
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*/
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#define LL_LPUART_WAKEUP_IDLELINE 0x00000000U /*!< LPUART wake up from Mute mode on Idle Line */
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#define LL_LPUART_WAKEUP_ADDRESSMARK USART_CR1_WAKE /*!< LPUART wake up from Mute mode on Address Mark */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_DATAWIDTH Datawidth
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* @{
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*/
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#define LL_LPUART_DATAWIDTH_7B USART_CR1_M1 /*!< 7 bits word length : Start bit, 7 data bits, n stop bits */
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#define LL_LPUART_DATAWIDTH_8B 0x00000000U /*!< 8 bits word length : Start bit, 8 data bits, n stop bits */
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#define LL_LPUART_DATAWIDTH_9B USART_CR1_M0 /*!< 9 bits word length : Start bit, 9 data bits, n stop bits */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_PRESCALER Clock Source Prescaler
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* @{
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*/
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#define LL_LPUART_PRESCALER_DIV1 0x00000000U /*!< Input clock not divided */
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#define LL_LPUART_PRESCALER_DIV2 (USART_PRESC_PRESCALER_0) /*!< Input clock divided by 2 */
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#define LL_LPUART_PRESCALER_DIV4 (USART_PRESC_PRESCALER_1) /*!< Input clock divided by 4 */
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#define LL_LPUART_PRESCALER_DIV6 (USART_PRESC_PRESCALER_1 |\
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USART_PRESC_PRESCALER_0) /*!< Input clock divided by 6 */
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#define LL_LPUART_PRESCALER_DIV8 (USART_PRESC_PRESCALER_2) /*!< Input clock divided by 8 */
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#define LL_LPUART_PRESCALER_DIV10 (USART_PRESC_PRESCALER_2 |\
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USART_PRESC_PRESCALER_0) /*!< Input clock divided by 10 */
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#define LL_LPUART_PRESCALER_DIV12 (USART_PRESC_PRESCALER_2 |\
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USART_PRESC_PRESCALER_1) /*!< Input clock divided by 12 */
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#define LL_LPUART_PRESCALER_DIV16 (USART_PRESC_PRESCALER_2 |\
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USART_PRESC_PRESCALER_1 |\
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USART_PRESC_PRESCALER_0) /*!< Input clock divided by 16 */
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#define LL_LPUART_PRESCALER_DIV32 (USART_PRESC_PRESCALER_3) /*!< Input clock divided by 32 */
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#define LL_LPUART_PRESCALER_DIV64 (USART_PRESC_PRESCALER_3 |\
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USART_PRESC_PRESCALER_0) /*!< Input clock divided by 64 */
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#define LL_LPUART_PRESCALER_DIV128 (USART_PRESC_PRESCALER_3 |\
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USART_PRESC_PRESCALER_1) /*!< Input clock divided by 128 */
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#define LL_LPUART_PRESCALER_DIV256 (USART_PRESC_PRESCALER_3 |\
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USART_PRESC_PRESCALER_1 |\
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USART_PRESC_PRESCALER_0) /*!< Input clock divided by 256 */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_STOPBITS Stop Bits
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* @{
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*/
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#define LL_LPUART_STOPBITS_1 0x00000000U /*!< 1 stop bit */
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#define LL_LPUART_STOPBITS_2 USART_CR2_STOP_1 /*!< 2 stop bits */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_TXRX TX RX Pins Swap
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* @{
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*/
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#define LL_LPUART_TXRX_STANDARD 0x00000000U /*!< TX/RX pins are used as defined in standard pinout */
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#define LL_LPUART_TXRX_SWAPPED (USART_CR2_SWAP) /*!< TX and RX pins functions are swapped. */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_RXPIN_LEVEL RX Pin Active Level Inversion
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* @{
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*/
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#define LL_LPUART_RXPIN_LEVEL_STANDARD 0x00000000U /*!< RX pin signal works using the standard logic levels */
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#define LL_LPUART_RXPIN_LEVEL_INVERTED (USART_CR2_RXINV) /*!< RX pin signal values are inverted. */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_TXPIN_LEVEL TX Pin Active Level Inversion
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* @{
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*/
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#define LL_LPUART_TXPIN_LEVEL_STANDARD 0x00000000U /*!< TX pin signal works using the standard logic levels */
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#define LL_LPUART_TXPIN_LEVEL_INVERTED (USART_CR2_TXINV) /*!< TX pin signal values are inverted. */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_BINARY_LOGIC Binary Data Inversion
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* @{
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*/
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#define LL_LPUART_BINARY_LOGIC_POSITIVE 0x00000000U /*!< Logical data from the data register are send/received
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in positive/direct logic. (1=H, 0=L) */
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#define LL_LPUART_BINARY_LOGIC_NEGATIVE USART_CR2_DATAINV /*!< Logical data from the data register are send/received
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in negative/inverse logic. (1=L, 0=H).
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The parity bit is also inverted. */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_BITORDER Bit Order
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* @{
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*/
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#define LL_LPUART_BITORDER_LSBFIRST 0x00000000U /*!< data is transmitted/received with data bit 0 first,
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following the start bit */
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#define LL_LPUART_BITORDER_MSBFIRST USART_CR2_MSBFIRST /*!< data is transmitted/received with the MSB first,
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following the start bit */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_ADDRESS_DETECT Address Length Detection
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* @{
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*/
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#define LL_LPUART_ADDRESS_DETECT_4B 0x00000000U /*!< 4-bit address detection method selected */
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#define LL_LPUART_ADDRESS_DETECT_7B USART_CR2_ADDM7 /*!< 7-bit address detection (in 8-bit data mode) method selected */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_HWCONTROL Hardware Control
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* @{
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*/
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#define LL_LPUART_HWCONTROL_NONE 0x00000000U /*!< CTS and RTS hardware flow control disabled */
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#define LL_LPUART_HWCONTROL_RTS USART_CR3_RTSE /*!< RTS output enabled, data is only requested
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when there is space in the receive buffer */
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#define LL_LPUART_HWCONTROL_CTS USART_CR3_CTSE /*!< CTS mode enabled, data is only transmitted
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when the nCTS input is asserted (tied to 0)*/
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#define LL_LPUART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< CTS and RTS hardware flow control enabled */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_WAKEUP_ON Wakeup Activation
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* @{
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*/
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#define LL_LPUART_WAKEUP_ON_ADDRESS 0x00000000U /*!< Wake up active on address match */
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#define LL_LPUART_WAKEUP_ON_STARTBIT USART_CR3_WUS_1 /*!< Wake up active on Start bit detection */
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#define LL_LPUART_WAKEUP_ON_RXNE (USART_CR3_WUS_0 | USART_CR3_WUS_1) /*!< Wake up active on RXNE */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_DE_POLARITY Driver Enable Polarity
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* @{
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*/
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#define LL_LPUART_DE_POLARITY_HIGH 0x00000000U /*!< DE signal is active high */
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#define LL_LPUART_DE_POLARITY_LOW USART_CR3_DEP /*!< DE signal is active low */
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/**
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* @}
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*/
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/** @defgroup LPUART_LL_EC_DMA_REG_DATA DMA Register Data
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* @{
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*/
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#define LL_LPUART_DMA_REG_DATA_TRANSMIT 0x00000000U /*!< Get address of data register used for transmission */
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#define LL_LPUART_DMA_REG_DATA_RECEIVE 0x00000001U /*!< Get address of data register used for reception */
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/**
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|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/* Exported macro ------------------------------------------------------------*/
|
|
/** @defgroup LPUART_LL_Exported_Macros LPUART Exported Macros
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup LPUART_LL_EM_WRITE_READ Common Write and read registers Macros
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Write a value in LPUART register
|
|
* @param __INSTANCE__ LPUART Instance
|
|
* @param __REG__ Register to be written
|
|
* @param __VALUE__ Value to be written in the register
|
|
* @retval None
|
|
*/
|
|
#define LL_LPUART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
|
|
|
|
/**
|
|
* @brief Read a value in LPUART register
|
|
* @param __INSTANCE__ LPUART Instance
|
|
* @param __REG__ Register to be read
|
|
* @retval Register value
|
|
*/
|
|
#define LL_LPUART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup LPUART_LL_EM_Exported_Macros_Helper Helper Macros
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Compute LPUARTDIV value according to Peripheral Clock and
|
|
* expected Baud Rate (20-bit value of LPUARTDIV is returned)
|
|
* @param __PERIPHCLK__ Peripheral Clock frequency used for LPUART Instance
|
|
* @param __PRESCALER__ This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV1
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV2
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV4
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV6
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV8
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV10
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV12
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV16
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV32
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV64
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV128
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV256
|
|
* @param __BAUDRATE__ Baud Rate value to achieve
|
|
* @retval LPUARTDIV value to be used for BRR register filling
|
|
*/
|
|
#define __LL_LPUART_DIV(__PERIPHCLK__, __PRESCALER__, __BAUDRATE__) (uint32_t)\
|
|
((((((uint64_t)(__PERIPHCLK__)/(uint64_t)(LPUART_PRESCALER_TAB[(uint16_t)(__PRESCALER__)]))\
|
|
* LPUART_LPUARTDIV_FREQ_MUL) + (uint32_t)((__BAUDRATE__)/2U))/(__BAUDRATE__)) & LPUART_BRR_MASK)
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/* Exported functions --------------------------------------------------------*/
|
|
/** @defgroup LPUART_LL_Exported_Functions LPUART Exported Functions
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup LPUART_LL_EF_Configuration Configuration functions
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief LPUART Enable
|
|
* @rmtoll CR1 UE LL_LPUART_Enable
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_Enable(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->CR1, USART_CR1_UE);
|
|
}
|
|
|
|
/**
|
|
* @brief LPUART Disable
|
|
* @note When LPUART is disabled, LPUART prescalers and outputs are stopped immediately,
|
|
* and current operations are discarded. The configuration of the LPUART is kept, but all the status
|
|
* flags, in the LPUARTx_ISR are set to their default values.
|
|
* @note In order to go into low-power mode without generating errors on the line,
|
|
* the TE bit must be reset before and the software must wait
|
|
* for the TC bit in the LPUART_ISR to be set before resetting the UE bit.
|
|
* The DMA requests are also reset when UE = 0 so the DMA channel must
|
|
* be disabled before resetting the UE bit.
|
|
* @rmtoll CR1 UE LL_LPUART_Disable
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_Disable(USART_TypeDef *LPUARTx)
|
|
{
|
|
CLEAR_BIT(LPUARTx->CR1, USART_CR1_UE);
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate if LPUART is enabled
|
|
* @rmtoll CR1 UE LL_LPUART_IsEnabled
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabled(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_UE) == (USART_CR1_UE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief FIFO Mode Enable
|
|
* @rmtoll CR1 FIFOEN LL_LPUART_EnableFIFO
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableFIFO(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->CR1, USART_CR1_FIFOEN);
|
|
}
|
|
|
|
/**
|
|
* @brief FIFO Mode Disable
|
|
* @rmtoll CR1 FIFOEN LL_LPUART_DisableFIFO
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableFIFO(USART_TypeDef *LPUARTx)
|
|
{
|
|
CLEAR_BIT(LPUARTx->CR1, USART_CR1_FIFOEN);
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate if FIFO Mode is enabled
|
|
* @rmtoll CR1 FIFOEN LL_LPUART_IsEnabledFIFO
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledFIFO(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_FIFOEN) == (USART_CR1_FIFOEN)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Configure TX FIFO Threshold
|
|
* @rmtoll CR3 TXFTCFG LL_LPUART_SetTXFIFOThreshold
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Threshold This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_2
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_3_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_7_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_8_8
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetTXFIFOThreshold(USART_TypeDef *LPUARTx, uint32_t Threshold)
|
|
{
|
|
ATOMIC_MODIFY_REG(LPUARTx->CR3, USART_CR3_TXFTCFG, Threshold << USART_CR3_TXFTCFG_Pos);
|
|
}
|
|
|
|
/**
|
|
* @brief Return TX FIFO Threshold Configuration
|
|
* @rmtoll CR3 TXFTCFG LL_LPUART_GetTXFIFOThreshold
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_2
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_3_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_7_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_8_8
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetTXFIFOThreshold(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR3, USART_CR3_TXFTCFG) >> USART_CR3_TXFTCFG_Pos);
|
|
}
|
|
|
|
/**
|
|
* @brief Configure RX FIFO Threshold
|
|
* @rmtoll CR3 RXFTCFG LL_LPUART_SetRXFIFOThreshold
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Threshold This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_2
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_3_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_7_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_8_8
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetRXFIFOThreshold(USART_TypeDef *LPUARTx, uint32_t Threshold)
|
|
{
|
|
ATOMIC_MODIFY_REG(LPUARTx->CR3, USART_CR3_RXFTCFG, Threshold << USART_CR3_RXFTCFG_Pos);
|
|
}
|
|
|
|
/**
|
|
* @brief Return RX FIFO Threshold Configuration
|
|
* @rmtoll CR3 RXFTCFG LL_LPUART_GetRXFIFOThreshold
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_2
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_3_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_7_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_8_8
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetRXFIFOThreshold(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR3, USART_CR3_RXFTCFG) >> USART_CR3_RXFTCFG_Pos);
|
|
}
|
|
|
|
/**
|
|
* @brief Configure TX and RX FIFOs Threshold
|
|
* @rmtoll CR3 TXFTCFG LL_LPUART_ConfigFIFOsThreshold\n
|
|
* CR3 RXFTCFG LL_LPUART_ConfigFIFOsThreshold
|
|
* @param LPUARTx LPUART Instance
|
|
* @param TXThreshold This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_2
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_3_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_7_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_8_8
|
|
* @param RXThreshold This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_1_2
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_3_4
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_7_8
|
|
* @arg @ref LL_LPUART_FIFOTHRESHOLD_8_8
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ConfigFIFOsThreshold(USART_TypeDef *LPUARTx, uint32_t TXThreshold, uint32_t RXThreshold)
|
|
{
|
|
ATOMIC_MODIFY_REG(LPUARTx->CR3, USART_CR3_TXFTCFG | USART_CR3_RXFTCFG, (TXThreshold << USART_CR3_TXFTCFG_Pos) | \
|
|
(RXThreshold << USART_CR3_RXFTCFG_Pos));
|
|
}
|
|
|
|
/**
|
|
* @brief LPUART enabled in STOP Mode
|
|
* @note When this function is enabled, LPUART is able to wake up the MCU from Stop mode, provided that
|
|
* LPUART clock selection is HSI or LSE in RCC.
|
|
* @rmtoll CR1 UESM LL_LPUART_EnableInStopMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableInStopMode(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_UESM);
|
|
}
|
|
|
|
/**
|
|
* @brief LPUART disabled in STOP Mode
|
|
* @note When this function is disabled, LPUART is not able to wake up the MCU from Stop mode
|
|
* @rmtoll CR1 UESM LL_LPUART_DisableInStopMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableInStopMode(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_UESM);
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate if LPUART is enabled in STOP Mode
|
|
* (able to wake up MCU from Stop mode or not)
|
|
* @rmtoll CR1 UESM LL_LPUART_IsEnabledInStopMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledInStopMode(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_UESM) == (USART_CR1_UESM)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Receiver Enable (Receiver is enabled and begins searching for a start bit)
|
|
* @rmtoll CR1 RE LL_LPUART_EnableDirectionRx
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableDirectionRx(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_RE);
|
|
}
|
|
|
|
/**
|
|
* @brief Receiver Disable
|
|
* @rmtoll CR1 RE LL_LPUART_DisableDirectionRx
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableDirectionRx(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_RE);
|
|
}
|
|
|
|
/**
|
|
* @brief Transmitter Enable
|
|
* @rmtoll CR1 TE LL_LPUART_EnableDirectionTx
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableDirectionTx(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_TE);
|
|
}
|
|
|
|
/**
|
|
* @brief Transmitter Disable
|
|
* @rmtoll CR1 TE LL_LPUART_DisableDirectionTx
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableDirectionTx(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_TE);
|
|
}
|
|
|
|
/**
|
|
* @brief Configure simultaneously enabled/disabled states
|
|
* of Transmitter and Receiver
|
|
* @rmtoll CR1 RE LL_LPUART_SetTransferDirection\n
|
|
* CR1 TE LL_LPUART_SetTransferDirection
|
|
* @param LPUARTx LPUART Instance
|
|
* @param TransferDirection This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_DIRECTION_NONE
|
|
* @arg @ref LL_LPUART_DIRECTION_RX
|
|
* @arg @ref LL_LPUART_DIRECTION_TX
|
|
* @arg @ref LL_LPUART_DIRECTION_TX_RX
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetTransferDirection(USART_TypeDef *LPUARTx, uint32_t TransferDirection)
|
|
{
|
|
ATOMIC_MODIFY_REG(LPUARTx->CR1, USART_CR1_RE | USART_CR1_TE, TransferDirection);
|
|
}
|
|
|
|
/**
|
|
* @brief Return enabled/disabled states of Transmitter and Receiver
|
|
* @rmtoll CR1 RE LL_LPUART_GetTransferDirection\n
|
|
* CR1 TE LL_LPUART_GetTransferDirection
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_DIRECTION_NONE
|
|
* @arg @ref LL_LPUART_DIRECTION_RX
|
|
* @arg @ref LL_LPUART_DIRECTION_TX
|
|
* @arg @ref LL_LPUART_DIRECTION_TX_RX
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetTransferDirection(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR1, USART_CR1_RE | USART_CR1_TE));
|
|
}
|
|
|
|
/**
|
|
* @brief Configure Parity (enabled/disabled and parity mode if enabled)
|
|
* @note This function selects if hardware parity control (generation and detection) is enabled or disabled.
|
|
* When the parity control is enabled (Odd or Even), computed parity bit is inserted at the MSB position
|
|
* (depending on data width) and parity is checked on the received data.
|
|
* @rmtoll CR1 PS LL_LPUART_SetParity\n
|
|
* CR1 PCE LL_LPUART_SetParity
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Parity This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_PARITY_NONE
|
|
* @arg @ref LL_LPUART_PARITY_EVEN
|
|
* @arg @ref LL_LPUART_PARITY_ODD
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetParity(USART_TypeDef *LPUARTx, uint32_t Parity)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR1, USART_CR1_PS | USART_CR1_PCE, Parity);
|
|
}
|
|
|
|
/**
|
|
* @brief Return Parity configuration (enabled/disabled and parity mode if enabled)
|
|
* @rmtoll CR1 PS LL_LPUART_GetParity\n
|
|
* CR1 PCE LL_LPUART_GetParity
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_PARITY_NONE
|
|
* @arg @ref LL_LPUART_PARITY_EVEN
|
|
* @arg @ref LL_LPUART_PARITY_ODD
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetParity(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR1, USART_CR1_PS | USART_CR1_PCE));
|
|
}
|
|
|
|
/**
|
|
* @brief Set Receiver Wake Up method from Mute mode.
|
|
* @rmtoll CR1 WAKE LL_LPUART_SetWakeUpMethod
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Method This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_WAKEUP_IDLELINE
|
|
* @arg @ref LL_LPUART_WAKEUP_ADDRESSMARK
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetWakeUpMethod(USART_TypeDef *LPUARTx, uint32_t Method)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR1, USART_CR1_WAKE, Method);
|
|
}
|
|
|
|
/**
|
|
* @brief Return Receiver Wake Up method from Mute mode
|
|
* @rmtoll CR1 WAKE LL_LPUART_GetWakeUpMethod
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_WAKEUP_IDLELINE
|
|
* @arg @ref LL_LPUART_WAKEUP_ADDRESSMARK
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetWakeUpMethod(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR1, USART_CR1_WAKE));
|
|
}
|
|
|
|
/**
|
|
* @brief Set Word length (nb of data bits, excluding start and stop bits)
|
|
* @rmtoll CR1 M LL_LPUART_SetDataWidth
|
|
* @param LPUARTx LPUART Instance
|
|
* @param DataWidth This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_DATAWIDTH_7B
|
|
* @arg @ref LL_LPUART_DATAWIDTH_8B
|
|
* @arg @ref LL_LPUART_DATAWIDTH_9B
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetDataWidth(USART_TypeDef *LPUARTx, uint32_t DataWidth)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR1, USART_CR1_M, DataWidth);
|
|
}
|
|
|
|
/**
|
|
* @brief Return Word length (i.e. nb of data bits, excluding start and stop bits)
|
|
* @rmtoll CR1 M LL_LPUART_GetDataWidth
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_DATAWIDTH_7B
|
|
* @arg @ref LL_LPUART_DATAWIDTH_8B
|
|
* @arg @ref LL_LPUART_DATAWIDTH_9B
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetDataWidth(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR1, USART_CR1_M));
|
|
}
|
|
|
|
/**
|
|
* @brief Allow switch between Mute Mode and Active mode
|
|
* @rmtoll CR1 MME LL_LPUART_EnableMuteMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableMuteMode(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_MME);
|
|
}
|
|
|
|
/**
|
|
* @brief Prevent Mute Mode use. Set Receiver in active mode permanently.
|
|
* @rmtoll CR1 MME LL_LPUART_DisableMuteMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableMuteMode(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_MME);
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate if switch between Mute Mode and Active mode is allowed
|
|
* @rmtoll CR1 MME LL_LPUART_IsEnabledMuteMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledMuteMode(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_MME) == (USART_CR1_MME)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Configure Clock source prescaler for baudrate generator and oversampling
|
|
* @rmtoll PRESC PRESCALER LL_LPUART_SetPrescaler
|
|
* @param LPUARTx LPUART Instance
|
|
* @param PrescalerValue This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV1
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV2
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV4
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV6
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV8
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV10
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV12
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV16
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV32
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV64
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV128
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV256
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetPrescaler(USART_TypeDef *LPUARTx, uint32_t PrescalerValue)
|
|
{
|
|
MODIFY_REG(LPUARTx->PRESC, USART_PRESC_PRESCALER, (uint16_t)PrescalerValue);
|
|
}
|
|
|
|
/**
|
|
* @brief Retrieve the Clock source prescaler for baudrate generator and oversampling
|
|
* @rmtoll PRESC PRESCALER LL_LPUART_GetPrescaler
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV1
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV2
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV4
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV6
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV8
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV10
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV12
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV16
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV32
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV64
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV128
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV256
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetPrescaler(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->PRESC, USART_PRESC_PRESCALER));
|
|
}
|
|
|
|
/**
|
|
* @brief Set the length of the stop bits
|
|
* @rmtoll CR2 STOP LL_LPUART_SetStopBitsLength
|
|
* @param LPUARTx LPUART Instance
|
|
* @param StopBits This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_STOPBITS_1
|
|
* @arg @ref LL_LPUART_STOPBITS_2
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetStopBitsLength(USART_TypeDef *LPUARTx, uint32_t StopBits)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR2, USART_CR2_STOP, StopBits);
|
|
}
|
|
|
|
/**
|
|
* @brief Retrieve the length of the stop bits
|
|
* @rmtoll CR2 STOP LL_LPUART_GetStopBitsLength
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_STOPBITS_1
|
|
* @arg @ref LL_LPUART_STOPBITS_2
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetStopBitsLength(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR2, USART_CR2_STOP));
|
|
}
|
|
|
|
/**
|
|
* @brief Configure Character frame format (Datawidth, Parity control, Stop Bits)
|
|
* @note Call of this function is equivalent to following function call sequence :
|
|
* - Data Width configuration using @ref LL_LPUART_SetDataWidth() function
|
|
* - Parity Control and mode configuration using @ref LL_LPUART_SetParity() function
|
|
* - Stop bits configuration using @ref LL_LPUART_SetStopBitsLength() function
|
|
* @rmtoll CR1 PS LL_LPUART_ConfigCharacter\n
|
|
* CR1 PCE LL_LPUART_ConfigCharacter\n
|
|
* CR1 M LL_LPUART_ConfigCharacter\n
|
|
* CR2 STOP LL_LPUART_ConfigCharacter
|
|
* @param LPUARTx LPUART Instance
|
|
* @param DataWidth This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_DATAWIDTH_7B
|
|
* @arg @ref LL_LPUART_DATAWIDTH_8B
|
|
* @arg @ref LL_LPUART_DATAWIDTH_9B
|
|
* @param Parity This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_PARITY_NONE
|
|
* @arg @ref LL_LPUART_PARITY_EVEN
|
|
* @arg @ref LL_LPUART_PARITY_ODD
|
|
* @param StopBits This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_STOPBITS_1
|
|
* @arg @ref LL_LPUART_STOPBITS_2
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ConfigCharacter(USART_TypeDef *LPUARTx, uint32_t DataWidth, uint32_t Parity,
|
|
uint32_t StopBits)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR1, USART_CR1_PS | USART_CR1_PCE | USART_CR1_M, Parity | DataWidth);
|
|
MODIFY_REG(LPUARTx->CR2, USART_CR2_STOP, StopBits);
|
|
}
|
|
|
|
/**
|
|
* @brief Configure TX/RX pins swapping setting.
|
|
* @rmtoll CR2 SWAP LL_LPUART_SetTXRXSwap
|
|
* @param LPUARTx LPUART Instance
|
|
* @param SwapConfig This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_TXRX_STANDARD
|
|
* @arg @ref LL_LPUART_TXRX_SWAPPED
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetTXRXSwap(USART_TypeDef *LPUARTx, uint32_t SwapConfig)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR2, USART_CR2_SWAP, SwapConfig);
|
|
}
|
|
|
|
/**
|
|
* @brief Retrieve TX/RX pins swapping configuration.
|
|
* @rmtoll CR2 SWAP LL_LPUART_GetTXRXSwap
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_TXRX_STANDARD
|
|
* @arg @ref LL_LPUART_TXRX_SWAPPED
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetTXRXSwap(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR2, USART_CR2_SWAP));
|
|
}
|
|
|
|
/**
|
|
* @brief Configure RX pin active level logic
|
|
* @rmtoll CR2 RXINV LL_LPUART_SetRXPinLevel
|
|
* @param LPUARTx LPUART Instance
|
|
* @param PinInvMethod This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_RXPIN_LEVEL_STANDARD
|
|
* @arg @ref LL_LPUART_RXPIN_LEVEL_INVERTED
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetRXPinLevel(USART_TypeDef *LPUARTx, uint32_t PinInvMethod)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR2, USART_CR2_RXINV, PinInvMethod);
|
|
}
|
|
|
|
/**
|
|
* @brief Retrieve RX pin active level logic configuration
|
|
* @rmtoll CR2 RXINV LL_LPUART_GetRXPinLevel
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_RXPIN_LEVEL_STANDARD
|
|
* @arg @ref LL_LPUART_RXPIN_LEVEL_INVERTED
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetRXPinLevel(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR2, USART_CR2_RXINV));
|
|
}
|
|
|
|
/**
|
|
* @brief Configure TX pin active level logic
|
|
* @rmtoll CR2 TXINV LL_LPUART_SetTXPinLevel
|
|
* @param LPUARTx LPUART Instance
|
|
* @param PinInvMethod This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_TXPIN_LEVEL_STANDARD
|
|
* @arg @ref LL_LPUART_TXPIN_LEVEL_INVERTED
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetTXPinLevel(USART_TypeDef *LPUARTx, uint32_t PinInvMethod)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR2, USART_CR2_TXINV, PinInvMethod);
|
|
}
|
|
|
|
/**
|
|
* @brief Retrieve TX pin active level logic configuration
|
|
* @rmtoll CR2 TXINV LL_LPUART_GetTXPinLevel
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_TXPIN_LEVEL_STANDARD
|
|
* @arg @ref LL_LPUART_TXPIN_LEVEL_INVERTED
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetTXPinLevel(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR2, USART_CR2_TXINV));
|
|
}
|
|
|
|
/**
|
|
* @brief Configure Binary data logic.
|
|
*
|
|
* @note Allow to define how Logical data from the data register are send/received :
|
|
* either in positive/direct logic (1=H, 0=L) or in negative/inverse logic (1=L, 0=H)
|
|
* @rmtoll CR2 DATAINV LL_LPUART_SetBinaryDataLogic
|
|
* @param LPUARTx LPUART Instance
|
|
* @param DataLogic This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_BINARY_LOGIC_POSITIVE
|
|
* @arg @ref LL_LPUART_BINARY_LOGIC_NEGATIVE
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetBinaryDataLogic(USART_TypeDef *LPUARTx, uint32_t DataLogic)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR2, USART_CR2_DATAINV, DataLogic);
|
|
}
|
|
|
|
/**
|
|
* @brief Retrieve Binary data configuration
|
|
* @rmtoll CR2 DATAINV LL_LPUART_GetBinaryDataLogic
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_BINARY_LOGIC_POSITIVE
|
|
* @arg @ref LL_LPUART_BINARY_LOGIC_NEGATIVE
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetBinaryDataLogic(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR2, USART_CR2_DATAINV));
|
|
}
|
|
|
|
/**
|
|
* @brief Configure transfer bit order (either Less or Most Significant Bit First)
|
|
* @note MSB First means data is transmitted/received with the MSB first, following the start bit.
|
|
* LSB First means data is transmitted/received with data bit 0 first, following the start bit.
|
|
* @rmtoll CR2 MSBFIRST LL_LPUART_SetTransferBitOrder
|
|
* @param LPUARTx LPUART Instance
|
|
* @param BitOrder This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_BITORDER_LSBFIRST
|
|
* @arg @ref LL_LPUART_BITORDER_MSBFIRST
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetTransferBitOrder(USART_TypeDef *LPUARTx, uint32_t BitOrder)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR2, USART_CR2_MSBFIRST, BitOrder);
|
|
}
|
|
|
|
/**
|
|
* @brief Return transfer bit order (either Less or Most Significant Bit First)
|
|
* @note MSB First means data is transmitted/received with the MSB first, following the start bit.
|
|
* LSB First means data is transmitted/received with data bit 0 first, following the start bit.
|
|
* @rmtoll CR2 MSBFIRST LL_LPUART_GetTransferBitOrder
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_BITORDER_LSBFIRST
|
|
* @arg @ref LL_LPUART_BITORDER_MSBFIRST
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetTransferBitOrder(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR2, USART_CR2_MSBFIRST));
|
|
}
|
|
|
|
/**
|
|
* @brief Set Address of the LPUART node.
|
|
* @note This is used in multiprocessor communication during Mute mode or Stop mode,
|
|
* for wake up with address mark detection.
|
|
* @note 4bits address node is used when 4-bit Address Detection is selected in ADDM7.
|
|
* (b7-b4 should be set to 0)
|
|
* 8bits address node is used when 7-bit Address Detection is selected in ADDM7.
|
|
* (This is used in multiprocessor communication during Mute mode or Stop mode,
|
|
* for wake up with 7-bit address mark detection.
|
|
* The MSB of the character sent by the transmitter should be equal to 1.
|
|
* It may also be used for character detection during normal reception,
|
|
* Mute mode inactive (for example, end of block detection in ModBus protocol).
|
|
* In this case, the whole received character (8-bit) is compared to the ADD[7:0]
|
|
* value and CMF flag is set on match)
|
|
* @rmtoll CR2 ADD LL_LPUART_ConfigNodeAddress\n
|
|
* CR2 ADDM7 LL_LPUART_ConfigNodeAddress
|
|
* @param LPUARTx LPUART Instance
|
|
* @param AddressLen This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_ADDRESS_DETECT_4B
|
|
* @arg @ref LL_LPUART_ADDRESS_DETECT_7B
|
|
* @param NodeAddress 4 or 7 bit Address of the LPUART node.
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ConfigNodeAddress(USART_TypeDef *LPUARTx, uint32_t AddressLen, uint32_t NodeAddress)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR2, USART_CR2_ADD | USART_CR2_ADDM7,
|
|
(uint32_t)(AddressLen | (NodeAddress << USART_CR2_ADD_Pos)));
|
|
}
|
|
|
|
/**
|
|
* @brief Return 8 bit Address of the LPUART node as set in ADD field of CR2.
|
|
* @note If 4-bit Address Detection is selected in ADDM7,
|
|
* only 4bits (b3-b0) of returned value are relevant (b31-b4 are not relevant)
|
|
* If 7-bit Address Detection is selected in ADDM7,
|
|
* only 8bits (b7-b0) of returned value are relevant (b31-b8 are not relevant)
|
|
* @rmtoll CR2 ADD LL_LPUART_GetNodeAddress
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Address of the LPUART node (Value between Min_Data=0 and Max_Data=255)
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetNodeAddress(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR2, USART_CR2_ADD) >> USART_CR2_ADD_Pos);
|
|
}
|
|
|
|
/**
|
|
* @brief Return Length of Node Address used in Address Detection mode (7-bit or 4-bit)
|
|
* @rmtoll CR2 ADDM7 LL_LPUART_GetNodeAddressLen
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_ADDRESS_DETECT_4B
|
|
* @arg @ref LL_LPUART_ADDRESS_DETECT_7B
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetNodeAddressLen(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR2, USART_CR2_ADDM7));
|
|
}
|
|
|
|
/**
|
|
* @brief Enable RTS HW Flow Control
|
|
* @rmtoll CR3 RTSE LL_LPUART_EnableRTSHWFlowCtrl
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableRTSHWFlowCtrl(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->CR3, USART_CR3_RTSE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable RTS HW Flow Control
|
|
* @rmtoll CR3 RTSE LL_LPUART_DisableRTSHWFlowCtrl
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableRTSHWFlowCtrl(USART_TypeDef *LPUARTx)
|
|
{
|
|
CLEAR_BIT(LPUARTx->CR3, USART_CR3_RTSE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable CTS HW Flow Control
|
|
* @rmtoll CR3 CTSE LL_LPUART_EnableCTSHWFlowCtrl
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableCTSHWFlowCtrl(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->CR3, USART_CR3_CTSE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable CTS HW Flow Control
|
|
* @rmtoll CR3 CTSE LL_LPUART_DisableCTSHWFlowCtrl
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableCTSHWFlowCtrl(USART_TypeDef *LPUARTx)
|
|
{
|
|
CLEAR_BIT(LPUARTx->CR3, USART_CR3_CTSE);
|
|
}
|
|
|
|
/**
|
|
* @brief Configure HW Flow Control mode (both CTS and RTS)
|
|
* @rmtoll CR3 RTSE LL_LPUART_SetHWFlowCtrl\n
|
|
* CR3 CTSE LL_LPUART_SetHWFlowCtrl
|
|
* @param LPUARTx LPUART Instance
|
|
* @param HardwareFlowControl This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_HWCONTROL_NONE
|
|
* @arg @ref LL_LPUART_HWCONTROL_RTS
|
|
* @arg @ref LL_LPUART_HWCONTROL_CTS
|
|
* @arg @ref LL_LPUART_HWCONTROL_RTS_CTS
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetHWFlowCtrl(USART_TypeDef *LPUARTx, uint32_t HardwareFlowControl)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE, HardwareFlowControl);
|
|
}
|
|
|
|
/**
|
|
* @brief Return HW Flow Control configuration (both CTS and RTS)
|
|
* @rmtoll CR3 RTSE LL_LPUART_GetHWFlowCtrl\n
|
|
* CR3 CTSE LL_LPUART_GetHWFlowCtrl
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_HWCONTROL_NONE
|
|
* @arg @ref LL_LPUART_HWCONTROL_RTS
|
|
* @arg @ref LL_LPUART_HWCONTROL_CTS
|
|
* @arg @ref LL_LPUART_HWCONTROL_RTS_CTS
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetHWFlowCtrl(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE));
|
|
}
|
|
|
|
/**
|
|
* @brief Enable Overrun detection
|
|
* @rmtoll CR3 OVRDIS LL_LPUART_EnableOverrunDetect
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableOverrunDetect(USART_TypeDef *LPUARTx)
|
|
{
|
|
CLEAR_BIT(LPUARTx->CR3, USART_CR3_OVRDIS);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable Overrun detection
|
|
* @rmtoll CR3 OVRDIS LL_LPUART_DisableOverrunDetect
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableOverrunDetect(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->CR3, USART_CR3_OVRDIS);
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate if Overrun detection is enabled
|
|
* @rmtoll CR3 OVRDIS LL_LPUART_IsEnabledOverrunDetect
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledOverrunDetect(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_OVRDIS) != USART_CR3_OVRDIS) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Select event type for Wake UP Interrupt Flag (WUS[1:0] bits)
|
|
* @rmtoll CR3 WUS LL_LPUART_SetWKUPType
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Type This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_WAKEUP_ON_ADDRESS
|
|
* @arg @ref LL_LPUART_WAKEUP_ON_STARTBIT
|
|
* @arg @ref LL_LPUART_WAKEUP_ON_RXNE
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetWKUPType(USART_TypeDef *LPUARTx, uint32_t Type)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR3, USART_CR3_WUS, Type);
|
|
}
|
|
|
|
/**
|
|
* @brief Return event type for Wake UP Interrupt Flag (WUS[1:0] bits)
|
|
* @rmtoll CR3 WUS LL_LPUART_GetWKUPType
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_WAKEUP_ON_ADDRESS
|
|
* @arg @ref LL_LPUART_WAKEUP_ON_STARTBIT
|
|
* @arg @ref LL_LPUART_WAKEUP_ON_RXNE
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetWKUPType(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR3, USART_CR3_WUS));
|
|
}
|
|
|
|
/**
|
|
* @brief Configure LPUART BRR register for achieving expected Baud Rate value.
|
|
*
|
|
* @note Compute and set LPUARTDIV value in BRR Register (full BRR content)
|
|
* according to used Peripheral Clock and expected Baud Rate values
|
|
* @note Peripheral clock and Baud Rate values provided as function parameters should be valid
|
|
* (Baud rate value != 0).
|
|
* @note Provided that LPUARTx_BRR must be > = 0x300 and LPUART_BRR is 20-bit,
|
|
* a care should be taken when generating high baud rates using high PeriphClk
|
|
* values. PeriphClk must be in the range [3 x BaudRate, 4096 x BaudRate].
|
|
* @rmtoll BRR BRR LL_LPUART_SetBaudRate
|
|
* @param LPUARTx LPUART Instance
|
|
* @param PeriphClk Peripheral Clock
|
|
* @param PrescalerValue This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV1
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV2
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV4
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV6
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV8
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV10
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV12
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV16
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV32
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV64
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV128
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV256
|
|
* @param BaudRate Baud Rate
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetBaudRate(USART_TypeDef *LPUARTx, uint32_t PeriphClk, uint32_t PrescalerValue,
|
|
uint32_t BaudRate)
|
|
{
|
|
if (BaudRate != 0U)
|
|
{
|
|
LPUARTx->BRR = __LL_LPUART_DIV(PeriphClk, PrescalerValue, BaudRate);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Return current Baud Rate value, according to LPUARTDIV present in BRR register
|
|
* (full BRR content), and to used Peripheral Clock values
|
|
* @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned.
|
|
* @rmtoll BRR BRR LL_LPUART_GetBaudRate
|
|
* @param LPUARTx LPUART Instance
|
|
* @param PeriphClk Peripheral Clock
|
|
* @param PrescalerValue This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV1
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV2
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV4
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV6
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV8
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV10
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV12
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV16
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV32
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV64
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV128
|
|
* @arg @ref LL_LPUART_PRESCALER_DIV256
|
|
* @retval Baud Rate
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetBaudRate(const USART_TypeDef *LPUARTx, uint32_t PeriphClk,
|
|
uint32_t PrescalerValue)
|
|
{
|
|
uint32_t lpuartdiv;
|
|
uint32_t brrresult;
|
|
uint32_t periphclkpresc = (uint32_t)(PeriphClk / (LPUART_PRESCALER_TAB[(uint16_t)PrescalerValue]));
|
|
|
|
lpuartdiv = LPUARTx->BRR & LPUART_BRR_MASK;
|
|
|
|
if (lpuartdiv >= LPUART_BRR_MIN_VALUE)
|
|
{
|
|
brrresult = (uint32_t)(((uint64_t)(periphclkpresc) * LPUART_LPUARTDIV_FREQ_MUL) / lpuartdiv);
|
|
}
|
|
else
|
|
{
|
|
brrresult = 0x0UL;
|
|
}
|
|
|
|
return (brrresult);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup LPUART_LL_EF_Configuration_HalfDuplex Configuration functions related to Half Duplex feature
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Enable Single Wire Half-Duplex mode
|
|
* @rmtoll CR3 HDSEL LL_LPUART_EnableHalfDuplex
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableHalfDuplex(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->CR3, USART_CR3_HDSEL);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable Single Wire Half-Duplex mode
|
|
* @rmtoll CR3 HDSEL LL_LPUART_DisableHalfDuplex
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableHalfDuplex(USART_TypeDef *LPUARTx)
|
|
{
|
|
CLEAR_BIT(LPUARTx->CR3, USART_CR3_HDSEL);
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate if Single Wire Half-Duplex mode is enabled
|
|
* @rmtoll CR3 HDSEL LL_LPUART_IsEnabledHalfDuplex
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledHalfDuplex(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup LPUART_LL_EF_Configuration_DE Configuration functions related to Driver Enable feature
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Set DEDT (Driver Enable De-Assertion Time), Time value expressed on 5 bits ([4:0] bits).
|
|
* @rmtoll CR1 DEDT LL_LPUART_SetDEDeassertionTime
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Time Value between Min_Data=0 and Max_Data=31
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetDEDeassertionTime(USART_TypeDef *LPUARTx, uint32_t Time)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR1, USART_CR1_DEDT, Time << USART_CR1_DEDT_Pos);
|
|
}
|
|
|
|
/**
|
|
* @brief Return DEDT (Driver Enable De-Assertion Time)
|
|
* @rmtoll CR1 DEDT LL_LPUART_GetDEDeassertionTime
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Time value expressed on 5 bits ([4:0] bits) : c
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetDEDeassertionTime(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR1, USART_CR1_DEDT) >> USART_CR1_DEDT_Pos);
|
|
}
|
|
|
|
/**
|
|
* @brief Set DEAT (Driver Enable Assertion Time), Time value expressed on 5 bits ([4:0] bits).
|
|
* @rmtoll CR1 DEAT LL_LPUART_SetDEAssertionTime
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Time Value between Min_Data=0 and Max_Data=31
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetDEAssertionTime(USART_TypeDef *LPUARTx, uint32_t Time)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR1, USART_CR1_DEAT, Time << USART_CR1_DEAT_Pos);
|
|
}
|
|
|
|
/**
|
|
* @brief Return DEAT (Driver Enable Assertion Time)
|
|
* @rmtoll CR1 DEAT LL_LPUART_GetDEAssertionTime
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Time value expressed on 5 bits ([4:0] bits) : Time Value between Min_Data=0 and Max_Data=31
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetDEAssertionTime(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR1, USART_CR1_DEAT) >> USART_CR1_DEAT_Pos);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable Driver Enable (DE) Mode
|
|
* @rmtoll CR3 DEM LL_LPUART_EnableDEMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableDEMode(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->CR3, USART_CR3_DEM);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable Driver Enable (DE) Mode
|
|
* @rmtoll CR3 DEM LL_LPUART_DisableDEMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableDEMode(USART_TypeDef *LPUARTx)
|
|
{
|
|
CLEAR_BIT(LPUARTx->CR3, USART_CR3_DEM);
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate if Driver Enable (DE) Mode is enabled
|
|
* @rmtoll CR3 DEM LL_LPUART_IsEnabledDEMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledDEMode(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_DEM) == (USART_CR3_DEM)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Select Driver Enable Polarity
|
|
* @rmtoll CR3 DEP LL_LPUART_SetDESignalPolarity
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Polarity This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_DE_POLARITY_HIGH
|
|
* @arg @ref LL_LPUART_DE_POLARITY_LOW
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_SetDESignalPolarity(USART_TypeDef *LPUARTx, uint32_t Polarity)
|
|
{
|
|
MODIFY_REG(LPUARTx->CR3, USART_CR3_DEP, Polarity);
|
|
}
|
|
|
|
/**
|
|
* @brief Return Driver Enable Polarity
|
|
* @rmtoll CR3 DEP LL_LPUART_GetDESignalPolarity
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_LPUART_DE_POLARITY_HIGH
|
|
* @arg @ref LL_LPUART_DE_POLARITY_LOW
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_GetDESignalPolarity(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return (uint32_t)(READ_BIT(LPUARTx->CR3, USART_CR3_DEP));
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup LPUART_LL_EF_FLAG_Management FLAG_Management
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Check if the LPUART Parity Error Flag is set or not
|
|
* @rmtoll ISR PE LL_LPUART_IsActiveFlag_PE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_PE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_PE) == (USART_ISR_PE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Framing Error Flag is set or not
|
|
* @rmtoll ISR FE LL_LPUART_IsActiveFlag_FE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_FE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_FE) == (USART_ISR_FE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Noise error detected Flag is set or not
|
|
* @rmtoll ISR NE LL_LPUART_IsActiveFlag_NE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_NE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_NE) == (USART_ISR_NE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART OverRun Error Flag is set or not
|
|
* @rmtoll ISR ORE LL_LPUART_IsActiveFlag_ORE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_ORE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_ORE) == (USART_ISR_ORE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART IDLE line detected Flag is set or not
|
|
* @rmtoll ISR IDLE LL_LPUART_IsActiveFlag_IDLE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_IDLE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_IDLE) == (USART_ISR_IDLE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
#define LL_LPUART_IsActiveFlag_RXNE LL_LPUART_IsActiveFlag_RXNE_RXFNE /* Redefinition for legacy purpose */
|
|
|
|
/**
|
|
* @brief Check if the LPUART Read Data Register or LPUART RX FIFO Not Empty Flag is set or not
|
|
* @rmtoll ISR RXNE_RXFNE LL_LPUART_IsActiveFlag_RXNE_RXFNE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_RXNE_RXFNE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_RXNE_RXFNE) == (USART_ISR_RXNE_RXFNE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Transmission Complete Flag is set or not
|
|
* @rmtoll ISR TC LL_LPUART_IsActiveFlag_TC
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_TC(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_TC) == (USART_ISR_TC)) ? 1UL : 0UL);
|
|
}
|
|
|
|
#define LL_LPUART_IsActiveFlag_TXE LL_LPUART_IsActiveFlag_TXE_TXFNF /* Redefinition for legacy purpose */
|
|
|
|
/**
|
|
* @brief Check if the LPUART Transmit Data Register Empty or LPUART TX FIFO Not Full Flag is set or not
|
|
* @rmtoll ISR TXE_TXFNF LL_LPUART_IsActiveFlag_TXE_TXFNF
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_TXE_TXFNF(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_TXE_TXFNF) == (USART_ISR_TXE_TXFNF)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART CTS interrupt Flag is set or not
|
|
* @rmtoll ISR CTSIF LL_LPUART_IsActiveFlag_nCTS
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_nCTS(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_CTSIF) == (USART_ISR_CTSIF)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART CTS Flag is set or not
|
|
* @rmtoll ISR CTS LL_LPUART_IsActiveFlag_CTS
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_CTS(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_CTS) == (USART_ISR_CTS)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Busy Flag is set or not
|
|
* @rmtoll ISR BUSY LL_LPUART_IsActiveFlag_BUSY
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_BUSY(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_BUSY) == (USART_ISR_BUSY)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Character Match Flag is set or not
|
|
* @rmtoll ISR CMF LL_LPUART_IsActiveFlag_CM
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_CM(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_CMF) == (USART_ISR_CMF)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Send Break Flag is set or not
|
|
* @rmtoll ISR SBKF LL_LPUART_IsActiveFlag_SBK
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_SBK(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_SBKF) == (USART_ISR_SBKF)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Receive Wake Up from mute mode Flag is set or not
|
|
* @rmtoll ISR RWU LL_LPUART_IsActiveFlag_RWU
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_RWU(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_RWU) == (USART_ISR_RWU)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Wake Up from stop mode Flag is set or not
|
|
* @rmtoll ISR WUF LL_LPUART_IsActiveFlag_WKUP
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_WKUP(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_WUF) == (USART_ISR_WUF)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Transmit Enable Acknowledge Flag is set or not
|
|
* @rmtoll ISR TEACK LL_LPUART_IsActiveFlag_TEACK
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_TEACK(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_TEACK) == (USART_ISR_TEACK)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Receive Enable Acknowledge Flag is set or not
|
|
* @rmtoll ISR REACK LL_LPUART_IsActiveFlag_REACK
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_REACK(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_REACK) == (USART_ISR_REACK)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART TX FIFO Empty Flag is set or not
|
|
* @rmtoll ISR TXFE LL_LPUART_IsActiveFlag_TXFE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_TXFE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_TXFE) == (USART_ISR_TXFE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART RX FIFO Full Flag is set or not
|
|
* @rmtoll ISR RXFF LL_LPUART_IsActiveFlag_RXFF
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_RXFF(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_RXFF) == (USART_ISR_RXFF)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART TX FIFO Threshold Flag is set or not
|
|
* @rmtoll ISR TXFT LL_LPUART_IsActiveFlag_TXFT
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_TXFT(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_TXFT) == (USART_ISR_TXFT)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART RX FIFO Threshold Flag is set or not
|
|
* @rmtoll ISR RXFT LL_LPUART_IsActiveFlag_RXFT
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_RXFT(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->ISR, USART_ISR_RXFT) == (USART_ISR_RXFT)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear Parity Error Flag
|
|
* @rmtoll ICR PECF LL_LPUART_ClearFlag_PE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ClearFlag_PE(USART_TypeDef *LPUARTx)
|
|
{
|
|
WRITE_REG(LPUARTx->ICR, USART_ICR_PECF);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear Framing Error Flag
|
|
* @rmtoll ICR FECF LL_LPUART_ClearFlag_FE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ClearFlag_FE(USART_TypeDef *LPUARTx)
|
|
{
|
|
WRITE_REG(LPUARTx->ICR, USART_ICR_FECF);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear Noise detected Flag
|
|
* @rmtoll ICR NECF LL_LPUART_ClearFlag_NE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ClearFlag_NE(USART_TypeDef *LPUARTx)
|
|
{
|
|
WRITE_REG(LPUARTx->ICR, USART_ICR_NECF);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear OverRun Error Flag
|
|
* @rmtoll ICR ORECF LL_LPUART_ClearFlag_ORE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ClearFlag_ORE(USART_TypeDef *LPUARTx)
|
|
{
|
|
WRITE_REG(LPUARTx->ICR, USART_ICR_ORECF);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear IDLE line detected Flag
|
|
* @rmtoll ICR IDLECF LL_LPUART_ClearFlag_IDLE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ClearFlag_IDLE(USART_TypeDef *LPUARTx)
|
|
{
|
|
WRITE_REG(LPUARTx->ICR, USART_ICR_IDLECF);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear Transmission Complete Flag
|
|
* @rmtoll ICR TCCF LL_LPUART_ClearFlag_TC
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ClearFlag_TC(USART_TypeDef *LPUARTx)
|
|
{
|
|
WRITE_REG(LPUARTx->ICR, USART_ICR_TCCF);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear CTS Interrupt Flag
|
|
* @rmtoll ICR CTSCF LL_LPUART_ClearFlag_nCTS
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ClearFlag_nCTS(USART_TypeDef *LPUARTx)
|
|
{
|
|
WRITE_REG(LPUARTx->ICR, USART_ICR_CTSCF);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear Character Match Flag
|
|
* @rmtoll ICR CMCF LL_LPUART_ClearFlag_CM
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ClearFlag_CM(USART_TypeDef *LPUARTx)
|
|
{
|
|
WRITE_REG(LPUARTx->ICR, USART_ICR_CMCF);
|
|
}
|
|
|
|
/**
|
|
* @brief Clear Wake Up from stop mode Flag
|
|
* @rmtoll ICR WUCF LL_LPUART_ClearFlag_WKUP
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_ClearFlag_WKUP(USART_TypeDef *LPUARTx)
|
|
{
|
|
WRITE_REG(LPUARTx->ICR, USART_ICR_WUCF);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup LPUART_LL_EF_IT_Management IT_Management
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Enable IDLE Interrupt
|
|
* @rmtoll CR1 IDLEIE LL_LPUART_EnableIT_IDLE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_IDLE(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_IDLEIE);
|
|
}
|
|
|
|
#define LL_LPUART_EnableIT_RXNE LL_LPUART_EnableIT_RXNE_RXFNE /* Redefinition for legacy purpose */
|
|
|
|
/**
|
|
* @brief Enable RX Not Empty and RX FIFO Not Empty Interrupt
|
|
* @rmtoll CR1 RXNEIE_RXFNEIE LL_LPUART_EnableIT_RXNE_RXFNE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_RXNE_RXFNE(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_RXNEIE_RXFNEIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable Transmission Complete Interrupt
|
|
* @rmtoll CR1 TCIE LL_LPUART_EnableIT_TC
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_TC(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_TCIE);
|
|
}
|
|
|
|
#define LL_LPUART_EnableIT_TXE LL_LPUART_EnableIT_TXE_TXFNF /* Redefinition for legacy purpose */
|
|
|
|
/**
|
|
* @brief Enable TX Empty and TX FIFO Not Full Interrupt
|
|
* @rmtoll CR1 TXEIE_TXFNFIE LL_LPUART_EnableIT_TXE_TXFNF
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_TXE_TXFNF(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_TXEIE_TXFNFIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable Parity Error Interrupt
|
|
* @rmtoll CR1 PEIE LL_LPUART_EnableIT_PE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_PE(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_PEIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable Character Match Interrupt
|
|
* @rmtoll CR1 CMIE LL_LPUART_EnableIT_CM
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_CM(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_CMIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable TX FIFO Empty Interrupt
|
|
* @rmtoll CR1 TXFEIE LL_LPUART_EnableIT_TXFE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_TXFE(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_TXFEIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable RX FIFO Full Interrupt
|
|
* @rmtoll CR1 RXFFIE LL_LPUART_EnableIT_RXFF
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_RXFF(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_RXFFIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable Error Interrupt
|
|
* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
|
|
* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the LPUARTx_ISR register).
|
|
* - 0: Interrupt is inhibited
|
|
* - 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the LPUARTx_ISR register.
|
|
* @rmtoll CR3 EIE LL_LPUART_EnableIT_ERROR
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_ERROR(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR3, USART_CR3_EIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable CTS Interrupt
|
|
* @rmtoll CR3 CTSIE LL_LPUART_EnableIT_CTS
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_CTS(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR3, USART_CR3_CTSIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable Wake Up from Stop Mode Interrupt
|
|
* @rmtoll CR3 WUFIE LL_LPUART_EnableIT_WKUP
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_WKUP(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR3, USART_CR3_WUFIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable TX FIFO Threshold Interrupt
|
|
* @rmtoll CR3 TXFTIE LL_LPUART_EnableIT_TXFT
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_TXFT(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR3, USART_CR3_TXFTIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable RX FIFO Threshold Interrupt
|
|
* @rmtoll CR3 RXFTIE LL_LPUART_EnableIT_RXFT
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableIT_RXFT(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR3, USART_CR3_RXFTIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable IDLE Interrupt
|
|
* @rmtoll CR1 IDLEIE LL_LPUART_DisableIT_IDLE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_IDLE(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_IDLEIE);
|
|
}
|
|
|
|
#define LL_LPUART_DisableIT_RXNE LL_LPUART_DisableIT_RXNE_RXFNE /* Redefinition for legacy purpose */
|
|
|
|
/**
|
|
* @brief Disable RX Not Empty and RX FIFO Not Empty Interrupt
|
|
* @rmtoll CR1 RXNEIE_RXFNEIE LL_LPUART_DisableIT_RXNE_RXFNE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_RXNE_RXFNE(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_RXNEIE_RXFNEIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable Transmission Complete Interrupt
|
|
* @rmtoll CR1 TCIE LL_LPUART_DisableIT_TC
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_TC(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_TCIE);
|
|
}
|
|
|
|
#define LL_LPUART_DisableIT_TXE LL_LPUART_DisableIT_TXE_TXFNF /* Redefinition for legacy purpose */
|
|
|
|
/**
|
|
* @brief Disable TX Empty and TX FIFO Not Full Interrupt
|
|
* @rmtoll CR1 TXEIE_TXFNFIE LL_LPUART_DisableIT_TXE_TXFNF
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_TXE_TXFNF(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_TXEIE_TXFNFIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable Parity Error Interrupt
|
|
* @rmtoll CR1 PEIE LL_LPUART_DisableIT_PE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_PE(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_PEIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable Character Match Interrupt
|
|
* @rmtoll CR1 CMIE LL_LPUART_DisableIT_CM
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_CM(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_CMIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable TX FIFO Empty Interrupt
|
|
* @rmtoll CR1 TXFEIE LL_LPUART_DisableIT_TXFE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_TXFE(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_TXFEIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable RX FIFO Full Interrupt
|
|
* @rmtoll CR1 RXFFIE LL_LPUART_DisableIT_RXFF
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_RXFF(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_RXFFIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable Error Interrupt
|
|
* @note When set, Error Interrupt Enable Bit is enabling interrupt generation in case of a framing
|
|
* error, overrun error or noise flag (FE=1 or ORE=1 or NF=1 in the LPUARTx_ISR register).
|
|
* - 0: Interrupt is inhibited
|
|
* - 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the LPUARTx_ISR register.
|
|
* @rmtoll CR3 EIE LL_LPUART_DisableIT_ERROR
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_ERROR(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR3, USART_CR3_EIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable CTS Interrupt
|
|
* @rmtoll CR3 CTSIE LL_LPUART_DisableIT_CTS
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_CTS(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR3, USART_CR3_CTSIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable Wake Up from Stop Mode Interrupt
|
|
* @rmtoll CR3 WUFIE LL_LPUART_DisableIT_WKUP
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_WKUP(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR3, USART_CR3_WUFIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable TX FIFO Threshold Interrupt
|
|
* @rmtoll CR3 TXFTIE LL_LPUART_DisableIT_TXFT
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_TXFT(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR3, USART_CR3_TXFTIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable RX FIFO Threshold Interrupt
|
|
* @rmtoll CR3 RXFTIE LL_LPUART_DisableIT_RXFT
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableIT_RXFT(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR3, USART_CR3_RXFTIE);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART IDLE Interrupt source is enabled or disabled.
|
|
* @rmtoll CR1 IDLEIE LL_LPUART_IsEnabledIT_IDLE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_IDLE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
#define LL_LPUART_IsEnabledIT_RXNE LL_LPUART_IsEnabledIT_RXNE_RXFNE /* Redefinition for legacy purpose */
|
|
|
|
/**
|
|
* @brief Check if the LPUART RX Not Empty and LPUART RX FIFO Not Empty Interrupt is enabled or disabled.
|
|
* @rmtoll CR1 RXNEIE_RXFNEIE LL_LPUART_IsEnabledIT_RXNE_RXFNE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_RXNE_RXFNE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_RXNEIE_RXFNEIE) == (USART_CR1_RXNEIE_RXFNEIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Transmission Complete Interrupt is enabled or disabled.
|
|
* @rmtoll CR1 TCIE LL_LPUART_IsEnabledIT_TC
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_TC(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
#define LL_LPUART_IsEnabledIT_TXE LL_LPUART_IsEnabledIT_TXE_TXFNF /* Redefinition for legacy purpose */
|
|
|
|
/**
|
|
* @brief Check if the LPUART TX Empty and LPUART TX FIFO Not Full Interrupt is enabled or disabled
|
|
* @rmtoll CR1 TXEIE_TXFNFIE LL_LPUART_IsEnabledIT_TXE_TXFNF
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_TXE_TXFNF(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_TXEIE_TXFNFIE) == (USART_CR1_TXEIE_TXFNFIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Parity Error Interrupt is enabled or disabled.
|
|
* @rmtoll CR1 PEIE LL_LPUART_IsEnabledIT_PE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_PE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Character Match Interrupt is enabled or disabled.
|
|
* @rmtoll CR1 CMIE LL_LPUART_IsEnabledIT_CM
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_CM(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_CMIE) == (USART_CR1_CMIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART TX FIFO Empty Interrupt is enabled or disabled
|
|
* @rmtoll CR1 TXFEIE LL_LPUART_IsEnabledIT_TXFE
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_TXFE(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_TXFEIE) == (USART_CR1_TXFEIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART RX FIFO Full Interrupt is enabled or disabled
|
|
* @rmtoll CR1 RXFFIE LL_LPUART_IsEnabledIT_RXFF
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_RXFF(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR1, USART_CR1_RXFFIE) == (USART_CR1_RXFFIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Error Interrupt is enabled or disabled.
|
|
* @rmtoll CR3 EIE LL_LPUART_IsEnabledIT_ERROR
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_ERROR(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART CTS Interrupt is enabled or disabled.
|
|
* @rmtoll CR3 CTSIE LL_LPUART_IsEnabledIT_CTS
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_CTS(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the LPUART Wake Up from Stop Mode Interrupt is enabled or disabled.
|
|
* @rmtoll CR3 WUFIE LL_LPUART_IsEnabledIT_WKUP
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_WKUP(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_WUFIE) == (USART_CR3_WUFIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if LPUART TX FIFO Threshold Interrupt is enabled or disabled
|
|
* @rmtoll CR3 TXFTIE LL_LPUART_IsEnabledIT_TXFT
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_TXFT(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_TXFTIE) == (USART_CR3_TXFTIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if LPUART RX FIFO Threshold Interrupt is enabled or disabled
|
|
* @rmtoll CR3 RXFTIE LL_LPUART_IsEnabledIT_RXFT
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_RXFT(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_RXFTIE) == (USART_CR3_RXFTIE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup LPUART_LL_EF_DMA_Management DMA_Management
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Enable DMA Mode for reception
|
|
* @rmtoll CR3 DMAR LL_LPUART_EnableDMAReq_RX
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableDMAReq_RX(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR3, USART_CR3_DMAR);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable DMA Mode for reception
|
|
* @rmtoll CR3 DMAR LL_LPUART_DisableDMAReq_RX
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableDMAReq_RX(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR3, USART_CR3_DMAR);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if DMA Mode is enabled for reception
|
|
* @rmtoll CR3 DMAR LL_LPUART_IsEnabledDMAReq_RX
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledDMAReq_RX(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable DMA Mode for transmission
|
|
* @rmtoll CR3 DMAT LL_LPUART_EnableDMAReq_TX
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableDMAReq_TX(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_SET_BIT(LPUARTx->CR3, USART_CR3_DMAT);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable DMA Mode for transmission
|
|
* @rmtoll CR3 DMAT LL_LPUART_DisableDMAReq_TX
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableDMAReq_TX(USART_TypeDef *LPUARTx)
|
|
{
|
|
ATOMIC_CLEAR_BIT(LPUARTx->CR3, USART_CR3_DMAT);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if DMA Mode is enabled for transmission
|
|
* @rmtoll CR3 DMAT LL_LPUART_IsEnabledDMAReq_TX
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledDMAReq_TX(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable DMA Disabling on Reception Error
|
|
* @rmtoll CR3 DDRE LL_LPUART_EnableDMADeactOnRxErr
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_EnableDMADeactOnRxErr(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->CR3, USART_CR3_DDRE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable DMA Disabling on Reception Error
|
|
* @rmtoll CR3 DDRE LL_LPUART_DisableDMADeactOnRxErr
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_DisableDMADeactOnRxErr(USART_TypeDef *LPUARTx)
|
|
{
|
|
CLEAR_BIT(LPUARTx->CR3, USART_CR3_DDRE);
|
|
}
|
|
|
|
/**
|
|
* @brief Indicate if DMA Disabling on Reception Error is disabled
|
|
* @rmtoll CR3 DDRE LL_LPUART_IsEnabledDMADeactOnRxErr
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_IsEnabledDMADeactOnRxErr(const USART_TypeDef *LPUARTx)
|
|
{
|
|
return ((READ_BIT(LPUARTx->CR3, USART_CR3_DDRE) == (USART_CR3_DDRE)) ? 1UL : 0UL);
|
|
}
|
|
|
|
/**
|
|
* @brief Get the LPUART data register address used for DMA transfer
|
|
* @rmtoll RDR RDR LL_LPUART_DMA_GetRegAddr\n
|
|
* @rmtoll TDR TDR LL_LPUART_DMA_GetRegAddr
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Direction This parameter can be one of the following values:
|
|
* @arg @ref LL_LPUART_DMA_REG_DATA_TRANSMIT
|
|
* @arg @ref LL_LPUART_DMA_REG_DATA_RECEIVE
|
|
* @retval Address of data register
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_LPUART_DMA_GetRegAddr(const USART_TypeDef *LPUARTx, uint32_t Direction)
|
|
{
|
|
uint32_t data_reg_addr;
|
|
|
|
if (Direction == LL_LPUART_DMA_REG_DATA_TRANSMIT)
|
|
{
|
|
/* return address of TDR register */
|
|
data_reg_addr = (uint32_t) &(LPUARTx->TDR);
|
|
}
|
|
else
|
|
{
|
|
/* return address of RDR register */
|
|
data_reg_addr = (uint32_t) &(LPUARTx->RDR);
|
|
}
|
|
|
|
return data_reg_addr;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup LPUART_LL_EF_Data_Management Data_Management
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Read Receiver Data register (Receive Data value, 8 bits)
|
|
* @rmtoll RDR RDR LL_LPUART_ReceiveData8
|
|
* @param LPUARTx LPUART Instance
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* @retval Time Value between Min_Data=0x00 and Max_Data=0xFF
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*/
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__STATIC_INLINE uint8_t LL_LPUART_ReceiveData8(const USART_TypeDef *LPUARTx)
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{
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return (uint8_t)(READ_BIT(LPUARTx->RDR, USART_RDR_RDR) & 0xFFU);
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}
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/**
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* @brief Read Receiver Data register (Receive Data value, 9 bits)
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* @rmtoll RDR RDR LL_LPUART_ReceiveData9
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* @param LPUARTx LPUART Instance
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* @retval Time Value between Min_Data=0x00 and Max_Data=0x1FF
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*/
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__STATIC_INLINE uint16_t LL_LPUART_ReceiveData9(const USART_TypeDef *LPUARTx)
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|
{
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return (uint16_t)(READ_BIT(LPUARTx->RDR, USART_RDR_RDR));
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}
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/**
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* @brief Write in Transmitter Data Register (Transmit Data value, 8 bits)
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* @rmtoll TDR TDR LL_LPUART_TransmitData8
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* @param LPUARTx LPUART Instance
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* @param Value between Min_Data=0x00 and Max_Data=0xFF
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* @retval None
|
|
*/
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__STATIC_INLINE void LL_LPUART_TransmitData8(USART_TypeDef *LPUARTx, uint8_t Value)
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|
{
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LPUARTx->TDR = Value;
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}
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/**
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|
* @brief Write in Transmitter Data Register (Transmit Data value, 9 bits)
|
|
* @rmtoll TDR TDR LL_LPUART_TransmitData9
|
|
* @param LPUARTx LPUART Instance
|
|
* @param Value between Min_Data=0x00 and Max_Data=0x1FF
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_TransmitData9(USART_TypeDef *LPUARTx, uint16_t Value)
|
|
{
|
|
LPUARTx->TDR = Value & 0x1FFUL;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
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|
|
|
/** @defgroup LPUART_LL_EF_Execution Execution
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Request Break sending
|
|
* @rmtoll RQR SBKRQ LL_LPUART_RequestBreakSending
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_RequestBreakSending(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->RQR, (uint16_t)USART_RQR_SBKRQ);
|
|
}
|
|
|
|
/**
|
|
* @brief Put LPUART in mute mode and set the RWU flag
|
|
* @rmtoll RQR MMRQ LL_LPUART_RequestEnterMuteMode
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_RequestEnterMuteMode(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->RQR, (uint16_t)USART_RQR_MMRQ);
|
|
}
|
|
|
|
/**
|
|
* @brief Request a Receive Data and FIFO flush
|
|
* @note Allows to discard the received data without reading them, and avoid an overrun
|
|
* condition.
|
|
* @rmtoll RQR RXFRQ LL_LPUART_RequestRxDataFlush
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_RequestRxDataFlush(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->RQR, (uint16_t)USART_RQR_RXFRQ);
|
|
}
|
|
|
|
/**
|
|
* @brief Request a Transmit data FIFO flush
|
|
* @note TXFRQ bit is set to flush the whole FIFO when FIFO mode is enabled. This
|
|
* also sets the flag TXFE (TXFIFO empty bit in the LPUART_ISR register).
|
|
* @note Macro IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not
|
|
* FIFO mode feature is supported by the USARTx instance.
|
|
* @rmtoll RQR TXFRQ LL_LPUART_RequestTxDataFlush
|
|
* @param LPUARTx LPUART Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_LPUART_RequestTxDataFlush(USART_TypeDef *LPUARTx)
|
|
{
|
|
SET_BIT(LPUARTx->RQR, (uint16_t)USART_RQR_TXFRQ);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#if defined(USE_FULL_LL_DRIVER)
|
|
/** @defgroup LPUART_LL_EF_Init Initialization and de-initialization functions
|
|
* @{
|
|
*/
|
|
ErrorStatus LL_LPUART_DeInit(const USART_TypeDef *LPUARTx);
|
|
ErrorStatus LL_LPUART_Init(USART_TypeDef *LPUARTx, const LL_LPUART_InitTypeDef *LPUART_InitStruct);
|
|
void LL_LPUART_StructInit(LL_LPUART_InitTypeDef *LPUART_InitStruct);
|
|
/**
|
|
* @}
|
|
*/
|
|
#endif /* USE_FULL_LL_DRIVER */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* LPUART1 */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* STM32H7xx_LL_LPUART_H */
|
|
|