| /** |
| ****************************************************************************** |
| * @file stm32l0xx_ll_lpuart.h |
| * @author MCD Application Team |
| * @brief Header file of LPUART LL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2016 STMicroelectronics. |
| * All rights reserved. |
| * |
| * This software is licensed under terms that can be found in the LICENSE file |
| * in the root directory of this software component. |
| * If no LICENSE file comes with this software, it is provided AS-IS. |
| * |
| ****************************************************************************** |
| */ |
| |
| /* Define to prevent recursive inclusion -------------------------------------*/ |
| #ifndef STM32L0xx_LL_LPUART_H |
| #define STM32L0xx_LL_LPUART_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32l0xx.h" |
| |
| /** @addtogroup STM32L0xx_LL_Driver |
| * @{ |
| */ |
| |
| #if defined (LPUART1) |
| |
| /** @defgroup LPUART_LL LPUART |
| * @{ |
| */ |
| |
| /* Private types -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| |
| /* Private constants ---------------------------------------------------------*/ |
| /** @defgroup LPUART_LL_Private_Constants LPUART Private Constants |
| * @{ |
| */ |
| /* Defines used in Baud Rate related macros and corresponding register setting computation */ |
| #define LPUART_LPUARTDIV_FREQ_MUL 256U |
| #define LPUART_BRR_MASK 0x000FFFFFU |
| #define LPUART_BRR_MIN_VALUE 0x00000300U |
| /** |
| * @} |
| */ |
| |
| |
| /* Private macros ------------------------------------------------------------*/ |
| #if defined(USE_FULL_LL_DRIVER) |
| /** @defgroup LPUART_LL_Private_Macros LPUART Private Macros |
| * @{ |
| */ |
| /** |
| * @} |
| */ |
| #endif /*USE_FULL_LL_DRIVER*/ |
| |
| /* Exported types ------------------------------------------------------------*/ |
| #if defined(USE_FULL_LL_DRIVER) |
| /** @defgroup LPUART_LL_ES_INIT LPUART Exported Init structures |
| * @{ |
| */ |
| |
| /** |
| * @brief LL LPUART Init Structure definition |
| */ |
| typedef struct |
| { |
| uint32_t BaudRate; /*!< This field defines expected LPUART communication baud rate. |
| |
| This feature can be modified afterwards using unitary |
| function @ref LL_LPUART_SetBaudRate().*/ |
| |
| uint32_t DataWidth; /*!< Specifies the number of data bits transmitted or received in a frame. |
| This parameter can be a value of @ref LPUART_LL_EC_DATAWIDTH. |
| |
| This feature can be modified afterwards using unitary |
| function @ref LL_LPUART_SetDataWidth().*/ |
| |
| uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. |
| This parameter can be a value of @ref LPUART_LL_EC_STOPBITS. |
| |
| This feature can be modified afterwards using unitary |
| function @ref LL_LPUART_SetStopBitsLength().*/ |
| |
| uint32_t Parity; /*!< Specifies the parity mode. |
| This parameter can be a value of @ref LPUART_LL_EC_PARITY. |
| |
| This feature can be modified afterwards using unitary |
| function @ref LL_LPUART_SetParity().*/ |
| |
| uint32_t TransferDirection; /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled. |
| This parameter can be a value of @ref LPUART_LL_EC_DIRECTION. |
| |
| This feature can be modified afterwards using unitary |
| function @ref LL_LPUART_SetTransferDirection().*/ |
| |
| uint32_t HardwareFlowControl; /*!< Specifies whether the hardware flow control mode is enabled or disabled. |
| This parameter can be a value of @ref LPUART_LL_EC_HWCONTROL. |
| |
| This feature can be modified afterwards using unitary |
| function @ref LL_LPUART_SetHWFlowCtrl().*/ |
| |
| } LL_LPUART_InitTypeDef; |
| |
| /** |
| * @} |
| */ |
| #endif /* USE_FULL_LL_DRIVER */ |
| |
| /* Exported constants --------------------------------------------------------*/ |
| /** @defgroup LPUART_LL_Exported_Constants LPUART Exported Constants |
| * @{ |
| */ |
| |
| /** @defgroup LPUART_LL_EC_CLEAR_FLAG Clear Flags Defines |
| * @brief Flags defines which can be used with LL_LPUART_WriteReg function |
| * @{ |
| */ |
| #define LL_LPUART_ICR_PECF USART_ICR_PECF /*!< Parity error clear flag */ |
| #define LL_LPUART_ICR_FECF USART_ICR_FECF /*!< Framing error clear flag */ |
| #define LL_LPUART_ICR_NCF USART_ICR_NCF /*!< Noise error detected clear flag */ |
| #define LL_LPUART_ICR_ORECF USART_ICR_ORECF /*!< Overrun error clear flag */ |
| #define LL_LPUART_ICR_IDLECF USART_ICR_IDLECF /*!< Idle line detected clear flag */ |
| #define LL_LPUART_ICR_TCCF USART_ICR_TCCF /*!< Transmission complete clear flag */ |
| #define LL_LPUART_ICR_CTSCF USART_ICR_CTSCF /*!< CTS clear flag */ |
| #define LL_LPUART_ICR_CMCF USART_ICR_CMCF /*!< Character match clear flag */ |
| #define LL_LPUART_ICR_WUCF USART_ICR_WUCF /*!< Wakeup from Stop mode clear flag */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_GET_FLAG Get Flags Defines |
| * @brief Flags defines which can be used with LL_LPUART_ReadReg function |
| * @{ |
| */ |
| #define LL_LPUART_ISR_PE USART_ISR_PE /*!< Parity error flag */ |
| #define LL_LPUART_ISR_FE USART_ISR_FE /*!< Framing error flag */ |
| #define LL_LPUART_ISR_NE USART_ISR_NE /*!< Noise detected flag */ |
| #define LL_LPUART_ISR_ORE USART_ISR_ORE /*!< Overrun error flag */ |
| #define LL_LPUART_ISR_IDLE USART_ISR_IDLE /*!< Idle line detected flag */ |
| #define LL_LPUART_ISR_RXNE USART_ISR_RXNE /*!< Read data register not empty flag */ |
| #define LL_LPUART_ISR_TC USART_ISR_TC /*!< Transmission complete flag */ |
| #define LL_LPUART_ISR_TXE USART_ISR_TXE /*!< Transmit data register empty flag */ |
| #define LL_LPUART_ISR_CTSIF USART_ISR_CTSIF /*!< CTS interrupt flag */ |
| #define LL_LPUART_ISR_CTS USART_ISR_CTS /*!< CTS flag */ |
| #define LL_LPUART_ISR_BUSY USART_ISR_BUSY /*!< Busy flag */ |
| #define LL_LPUART_ISR_CMF USART_ISR_CMF /*!< Character match flag */ |
| #define LL_LPUART_ISR_SBKF USART_ISR_SBKF /*!< Send break flag */ |
| #define LL_LPUART_ISR_RWU USART_ISR_RWU /*!< Receiver wakeup from Mute mode flag */ |
| #define LL_LPUART_ISR_WUF USART_ISR_WUF /*!< Wakeup from Stop mode flag */ |
| #define LL_LPUART_ISR_TEACK USART_ISR_TEACK /*!< Transmit enable acknowledge flag */ |
| #define LL_LPUART_ISR_REACK USART_ISR_REACK /*!< Receive enable acknowledge flag */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_IT IT Defines |
| * @brief IT defines which can be used with LL_LPUART_ReadReg and LL_LPUART_WriteReg functions |
| * @{ |
| */ |
| #define LL_LPUART_CR1_IDLEIE USART_CR1_IDLEIE /*!< IDLE interrupt enable */ |
| #define LL_LPUART_CR1_RXNEIE USART_CR1_RXNEIE /*!< Read data register not empty interrupt enable */ |
| #define LL_LPUART_CR1_TCIE USART_CR1_TCIE /*!< Transmission complete interrupt enable */ |
| #define LL_LPUART_CR1_TXEIE USART_CR1_TXEIE /*!< Transmit data register empty interrupt enable */ |
| #define LL_LPUART_CR1_PEIE USART_CR1_PEIE /*!< Parity error */ |
| #define LL_LPUART_CR1_CMIE USART_CR1_CMIE /*!< Character match interrupt enable */ |
| #define LL_LPUART_CR3_EIE USART_CR3_EIE /*!< Error interrupt enable */ |
| #define LL_LPUART_CR3_CTSIE USART_CR3_CTSIE /*!< CTS interrupt enable */ |
| #define LL_LPUART_CR3_WUFIE USART_CR3_WUFIE /*!< Wakeup from Stop mode interrupt enable */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_DIRECTION Direction |
| * @{ |
| */ |
| #define LL_LPUART_DIRECTION_NONE 0x00000000U /*!< Transmitter and Receiver are disabled */ |
| #define LL_LPUART_DIRECTION_RX USART_CR1_RE /*!< Transmitter is disabled and Receiver is enabled */ |
| #define LL_LPUART_DIRECTION_TX USART_CR1_TE /*!< Transmitter is enabled and Receiver is disabled */ |
| #define LL_LPUART_DIRECTION_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< Transmitter and Receiver are enabled */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_PARITY Parity Control |
| * @{ |
| */ |
| #define LL_LPUART_PARITY_NONE 0x00000000U /*!< Parity control disabled */ |
| #define LL_LPUART_PARITY_EVEN USART_CR1_PCE /*!< Parity control enabled and Even Parity is selected */ |
| #define LL_LPUART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Parity control enabled and Odd Parity is selected */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_WAKEUP Wakeup |
| * @{ |
| */ |
| #define LL_LPUART_WAKEUP_IDLELINE 0x00000000U /*!< LPUART wake up from Mute mode on Idle Line */ |
| #define LL_LPUART_WAKEUP_ADDRESSMARK USART_CR1_WAKE /*!< LPUART wake up from Mute mode on Address Mark */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_DATAWIDTH Datawidth |
| * @{ |
| */ |
| #define LL_LPUART_DATAWIDTH_7B USART_CR1_M1 /*!< 7 bits word length : Start bit, 7 data bits, n stop bits */ |
| #define LL_LPUART_DATAWIDTH_8B 0x00000000U /*!< 8 bits word length : Start bit, 8 data bits, n stop bits */ |
| #define LL_LPUART_DATAWIDTH_9B USART_CR1_M0 /*!< 9 bits word length : Start bit, 9 data bits, n stop bits */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_STOPBITS Stop Bits |
| * @{ |
| */ |
| #define LL_LPUART_STOPBITS_1 0x00000000U /*!< 1 stop bit */ |
| #define LL_LPUART_STOPBITS_2 USART_CR2_STOP_1 /*!< 2 stop bits */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_TXRX TX RX Pins Swap |
| * @{ |
| */ |
| #define LL_LPUART_TXRX_STANDARD 0x00000000U /*!< TX/RX pins are used as defined in standard pinout */ |
| #define LL_LPUART_TXRX_SWAPPED (USART_CR2_SWAP) /*!< TX and RX pins functions are swapped. */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_RXPIN_LEVEL RX Pin Active Level Inversion |
| * @{ |
| */ |
| #define LL_LPUART_RXPIN_LEVEL_STANDARD 0x00000000U /*!< RX pin signal works using the standard logic levels */ |
| #define LL_LPUART_RXPIN_LEVEL_INVERTED (USART_CR2_RXINV) /*!< RX pin signal values are inverted. */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_TXPIN_LEVEL TX Pin Active Level Inversion |
| * @{ |
| */ |
| #define LL_LPUART_TXPIN_LEVEL_STANDARD 0x00000000U /*!< TX pin signal works using the standard logic levels */ |
| #define LL_LPUART_TXPIN_LEVEL_INVERTED (USART_CR2_TXINV) /*!< TX pin signal values are inverted. */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_BINARY_LOGIC Binary Data Inversion |
| * @{ |
| */ |
| #define LL_LPUART_BINARY_LOGIC_POSITIVE 0x00000000U /*!< Logical data from the data register are send/received |
| in positive/direct logic. (1=H, 0=L) */ |
| #define LL_LPUART_BINARY_LOGIC_NEGATIVE USART_CR2_DATAINV /*!< Logical data from the data register are send/received |
| in negative/inverse logic. (1=L, 0=H). |
| The parity bit is also inverted. */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_BITORDER Bit Order |
| * @{ |
| */ |
| #define LL_LPUART_BITORDER_LSBFIRST 0x00000000U /*!< data is transmitted/received with data bit 0 first, |
| following the start bit */ |
| #define LL_LPUART_BITORDER_MSBFIRST USART_CR2_MSBFIRST /*!< data is transmitted/received with the MSB first, |
| following the start bit */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_ADDRESS_DETECT Address Length Detection |
| * @{ |
| */ |
| #define LL_LPUART_ADDRESS_DETECT_4B 0x00000000U /*!< 4-bit address detection method selected */ |
| #define LL_LPUART_ADDRESS_DETECT_7B USART_CR2_ADDM7 /*!< 7-bit address detection (in 8-bit data mode) method selected */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_HWCONTROL Hardware Control |
| * @{ |
| */ |
| #define LL_LPUART_HWCONTROL_NONE 0x00000000U /*!< CTS and RTS hardware flow control disabled */ |
| #define LL_LPUART_HWCONTROL_RTS USART_CR3_RTSE /*!< RTS output enabled, data is only requested |
| when there is space in the receive buffer */ |
| #define LL_LPUART_HWCONTROL_CTS USART_CR3_CTSE /*!< CTS mode enabled, data is only transmitted |
| when the nCTS input is asserted (tied to 0)*/ |
| #define LL_LPUART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< CTS and RTS hardware flow control enabled */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_WAKEUP_ON Wakeup Activation |
| * @{ |
| */ |
| #define LL_LPUART_WAKEUP_ON_ADDRESS 0x00000000U /*!< Wake up active on address match */ |
| #define LL_LPUART_WAKEUP_ON_STARTBIT USART_CR3_WUS_1 /*!< Wake up active on Start bit detection */ |
| #define LL_LPUART_WAKEUP_ON_RXNE (USART_CR3_WUS_0 | USART_CR3_WUS_1) /*!< Wake up active on RXNE */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_DE_POLARITY Driver Enable Polarity |
| * @{ |
| */ |
| #define LL_LPUART_DE_POLARITY_HIGH 0x00000000U /*!< DE signal is active high */ |
| #define LL_LPUART_DE_POLARITY_LOW USART_CR3_DEP /*!< DE signal is active low */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup LPUART_LL_EC_DMA_REG_DATA DMA Register Data |
| * @{ |
| */ |
| #define LL_LPUART_DMA_REG_DATA_TRANSMIT 0x00000000U /*!< Get address of data register used for transmission */ |
| #define LL_LPUART_DMA_REG_DATA_RECEIVE 0x00000001U /*!< Get address of data register used for reception */ |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* 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 __BAUDRATE__ Baud Rate value to achieve |
| * @retval LPUARTDIV value to be used for BRR register filling |
| */ |
| #define __LL_LPUART_DIV(__PERIPHCLK__, __BAUDRATE__) (uint32_t)\ |
| (((((uint64_t)(__PERIPHCLK__)*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 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 LPUART Clock enabled in STOP Mode |
| * @note When this function is called, LPUART Clock is enabled while in STOP mode |
| * @rmtoll CR3 UCESM LL_LPUART_EnableClockInStopMode |
| * @param LPUARTx LPUART Instance |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_LPUART_EnableClockInStopMode(USART_TypeDef *LPUARTx) |
| { |
| ATOMIC_SET_BIT(LPUARTx->CR3, USART_CR3_UCESM); |
| } |
| |
| /** |
| * @brief LPUART clock disabled in STOP Mode |
| * @note When this function is called, LPUART Clock is disabled while in STOP mode |
| * @rmtoll CR3 UCESM LL_LPUART_DisableClockInStopMode |
| * @param LPUARTx LPUART Instance |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_LPUART_DisableClockInStopMode(USART_TypeDef *LPUARTx) |
| { |
| ATOMIC_CLEAR_BIT(LPUARTx->CR3, USART_CR3_UCESM); |
| } |
| |
| /** |
| * @brief Indicate if LPUART clock is enabled in STOP Mode |
| * @rmtoll CR3 UCESM LL_LPUART_IsClockEnabledInStopMode |
| * @param LPUARTx LPUART Instance |
| * @retval State of bit (1 or 0). |
| */ |
| __STATIC_INLINE uint32_t LL_LPUART_IsClockEnabledInStopMode(const USART_TypeDef *LPUARTx) |
| { |
| return ((READ_BIT(LPUARTx->CR3, USART_CR3_UCESM) == (USART_CR3_UCESM)) ? 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 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 BaudRate Baud Rate |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_LPUART_SetBaudRate(USART_TypeDef *LPUARTx, uint32_t PeriphClk, uint32_t BaudRate) |
| { |
| if (BaudRate != 0U) |
| { |
| LPUARTx->BRR = __LL_LPUART_DIV(PeriphClk, 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 |
| * @retval Baud Rate |
| */ |
| __STATIC_INLINE uint32_t LL_LPUART_GetBaudRate(const USART_TypeDef *LPUARTx, uint32_t PeriphClk) |
| { |
| uint32_t lpuartdiv; |
| uint32_t brrresult; |
| |
| lpuartdiv = LPUARTx->BRR & LPUART_BRR_MASK; |
| |
| if (lpuartdiv >= LPUART_BRR_MIN_VALUE) |
| { |
| brrresult = (uint32_t)(((uint64_t)(PeriphClk) * 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); |
| } |
| |
| /** |
| * @brief Check if the LPUART Read Data Register Not Empty Flag is set or not |
| * @rmtoll ISR RXNE LL_LPUART_IsActiveFlag_RXNE |
| * @param LPUARTx LPUART Instance |
| * @retval State of bit (1 or 0). |
| */ |
| __STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_RXNE(const USART_TypeDef *LPUARTx) |
| { |
| return ((READ_BIT(LPUARTx->ISR, USART_ISR_RXNE) == (USART_ISR_RXNE)) ? 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); |
| } |
| |
| /** |
| * @brief Check if the LPUART Transmit Data Register Empty Flag is set or not |
| * @rmtoll ISR TXE LL_LPUART_IsActiveFlag_TXE |
| * @param LPUARTx LPUART Instance |
| * @retval State of bit (1 or 0). |
| */ |
| __STATIC_INLINE uint32_t LL_LPUART_IsActiveFlag_TXE(const USART_TypeDef *LPUARTx) |
| { |
| return ((READ_BIT(LPUARTx->ISR, USART_ISR_TXE) == (USART_ISR_TXE)) ? 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 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 NCF 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_NCF); |
| } |
| |
| /** |
| * @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); |
| } |
| |
| |
| /** |
| * @brief Enable RX Not Empty Interrupt |
| * @rmtoll CR1 RXNEIE LL_LPUART_EnableIT_RXNE |
| * @param LPUARTx LPUART Instance |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_LPUART_EnableIT_RXNE(USART_TypeDef *LPUARTx) |
| { |
| ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_RXNEIE); |
| } |
| |
| /** |
| * @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); |
| } |
| |
| |
| /** |
| * @brief Enable TX Empty Interrupt |
| * @rmtoll CR1 TXEIE LL_LPUART_EnableIT_TXE |
| * @param LPUARTx LPUART Instance |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_LPUART_EnableIT_TXE(USART_TypeDef *LPUARTx) |
| { |
| ATOMIC_SET_BIT(LPUARTx->CR1, USART_CR1_TXEIE); |
| } |
| |
| /** |
| * @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 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 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); |
| } |
| |
| |
| /** |
| * @brief Disable RX Not Empty Interrupt |
| * @rmtoll CR1 RXNEIE LL_LPUART_DisableIT_RXNE |
| * @param LPUARTx LPUART Instance |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_LPUART_DisableIT_RXNE(USART_TypeDef *LPUARTx) |
| { |
| ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_RXNEIE); |
| } |
| |
| /** |
| * @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); |
| } |
| |
| |
| /** |
| * @brief Disable TX Empty Interrupt |
| * @rmtoll CR1 TXEIE LL_LPUART_DisableIT_TXE |
| * @param LPUARTx LPUART Instance |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_LPUART_DisableIT_TXE(USART_TypeDef *LPUARTx) |
| { |
| ATOMIC_CLEAR_BIT(LPUARTx->CR1, USART_CR1_TXEIE); |
| } |
| |
| /** |
| * @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 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 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); |
| } |
| |
| |
| /** |
| * @brief Check if the LPUART RX Not Empty Interrupt is enabled or disabled. |
| * @rmtoll CR1 RXNEIE LL_LPUART_IsEnabledIT_RXNE |
| * @param LPUARTx LPUART Instance |
| * @retval State of bit (1 or 0). |
| */ |
| __STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_RXNE(const USART_TypeDef *LPUARTx) |
| { |
| return ((READ_BIT(LPUARTx->CR1, USART_CR1_RXNEIE) == (USART_CR1_RXNEIE)) ? 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); |
| } |
| |
| |
| /** |
| * @brief Check if the LPUART TX Empty Interrupt is enabled or disabled. |
| * @rmtoll CR1 TXEIE LL_LPUART_IsEnabledIT_TXE |
| * @param LPUARTx LPUART Instance |
| * @retval State of bit (1 or 0). |
| */ |
| __STATIC_INLINE uint32_t LL_LPUART_IsEnabledIT_TXE(const USART_TypeDef *LPUARTx) |
| { |
| return ((READ_BIT(LPUARTx->CR1, USART_CR1_TXEIE) == (USART_CR1_TXEIE)) ? 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 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); |
| } |
| |
| |
| /** |
| * @} |
| */ |
| |
| /** @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 |
| * @retval Time Value between Min_Data=0x00 and Max_Data=0xFF |
| */ |
| __STATIC_INLINE uint8_t LL_LPUART_ReceiveData8(const USART_TypeDef *LPUARTx) |
| { |
| return (uint8_t)(READ_BIT(LPUARTx->RDR, USART_RDR_RDR) & 0xFFU); |
| } |
| |
| /** |
| * @brief Read Receiver Data register (Receive Data value, 9 bits) |
| * @rmtoll RDR RDR LL_LPUART_ReceiveData9 |
| * @param LPUARTx LPUART Instance |
| * @retval Time Value between Min_Data=0x00 and Max_Data=0x1FF |
| */ |
| __STATIC_INLINE uint16_t LL_LPUART_ReceiveData9(const USART_TypeDef *LPUARTx) |
| { |
| return (uint16_t)(READ_BIT(LPUARTx->RDR, USART_RDR_RDR)); |
| } |
| |
| /** |
| * @brief Write in Transmitter Data Register (Transmit Data value, 8 bits) |
| * @rmtoll TDR TDR LL_LPUART_TransmitData8 |
| * @param LPUARTx LPUART Instance |
| * @param Value between Min_Data=0x00 and Max_Data=0xFF |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_LPUART_TransmitData8(USART_TypeDef *LPUARTx, uint8_t Value) |
| { |
| LPUARTx->TDR = Value; |
| } |
| |
| /** |
| * @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; |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** @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 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); |
| } |
| |
| /** |
| * @} |
| */ |
| |
| #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 /* STM32L0xx_LL_LPUART_H */ |
| |
