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Diff: TARGET_NUCLEO_L476RG/stm32l4xx_ll_lpuart.h
- Revision:
- 122:f9eeca106725
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_NUCLEO_L476RG/stm32l4xx_ll_lpuart.h Thu Jul 07 14:34:11 2016 +0100 @@ -0,0 +1,2155 @@ +/** + ****************************************************************************** + * @file stm32l4xx_ll_lpuart.h + * @author MCD Application Team + * @version V1.5.1 + * @date 31-May-2016 + * @brief Header file of LPUART LL module. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32L4xx_LL_LPUART_H +#define __STM32L4xx_LL_LPUART_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32l4xx.h" + +/** @addtogroup STM32L4xx_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 for the bit position in the register and perform offsets*/ +#define LPUART_POSITION_CR1_DEDT (uint32_t)POSITION_VAL(USART_CR1_DEDT) +#define LPUART_POSITION_CR1_DEAT (uint32_t)POSITION_VAL(USART_CR1_DEAT) +#define LPUART_POSITION_CR2_ADD (uint32_t)POSITION_VAL(USART_CR2_ADD) + +/* Defines used in Baud Rate related macros and corresponding register setting computation */ +#define LPUART_LPUARTDIV_FREQ_MUL (uint32_t)(256U) +#define LPUART_BRR_MASK (uint32_t)(0x000FFFFFU) +#define LPUART_BRR_MIN_VALUE (uint32_t)(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 flag */ +#define LL_LPUART_ICR_FECF USART_ICR_FECF /*!< Framing error flag */ +#define LL_LPUART_ICR_NCF USART_ICR_NCF /*!< Noise detected flag */ +#define LL_LPUART_ICR_ORECF USART_ICR_ORECF /*!< Overrun error flag */ +#define LL_LPUART_ICR_IDLECF USART_ICR_IDLECF /*!< Idle line detected flag */ +#define LL_LPUART_ICR_TCCF USART_ICR_TCCF /*!< Transmission complete flag */ +#define LL_LPUART_ICR_CTSCF USART_ICR_CTSCF /*!< CTS flag */ +#define LL_LPUART_ICR_CMCF USART_ICR_CMCF /*!< Character match flag */ +#define LL_LPUART_ICR_WUCF USART_ICR_WUCF /*!< Wakeup from Stop mode 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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)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 (uint32_t)0U /*!< Get address of data register used for transmission */ +#define LL_LPUART_DMA_REG_DATA_RECEIVE (uint32_t)1U /*!< 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__) (((((uint64_t)(__PERIPHCLK__)*LPUART_LPUARTDIV_FREQ_MUL) + ((__BAUDRATE__)/2))/(__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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR1, USART_CR1_UE) == (USART_CR1_UE)); +} + +/** + * @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) +{ + 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) +{ + 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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR1, USART_CR1_UESM) == (USART_CR1_UESM)); +} + +/** + * @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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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(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(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(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(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) +{ + 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) +{ + 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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR1, USART_CR1_MME) == (USART_CR1_MME)); +} + +/** + * @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(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(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(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(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(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(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 << LPUART_POSITION_CR2_ADD))); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (uint32_t)(READ_BIT(LPUARTx->CR2, USART_CR2_ADD) >> LPUART_POSITION_CR2_ADD); +} + +/** + * @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(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(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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR3, USART_CR3_OVRDIS) != USART_CR3_OVRDIS); +} + +/** + * @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(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) +{ + 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(USART_TypeDef *LPUARTx, uint32_t PeriphClk) +{ + register uint32_t lpuartdiv = 0x0U; + register uint32_t brrresult = 0x0U; + + lpuartdiv = LPUARTx->BRR & LPUART_BRR_MASK; + + if (lpuartdiv >= LPUART_BRR_MIN_VALUE) + { + brrresult = (uint32_t)(((uint64_t)(PeriphClk) * LPUART_LPUARTDIV_FREQ_MUL) / lpuartdiv); + } + + 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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL)); +} + +/** + * @} + */ + +/** @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 << LPUART_POSITION_CR1_DEDT); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (uint32_t)(READ_BIT(LPUARTx->CR1, USART_CR1_DEDT) >> LPUART_POSITION_CR1_DEDT); +} + +/** + * @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 << LPUART_POSITION_CR1_DEAT); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (uint32_t)(READ_BIT(LPUARTx->CR1, USART_CR1_DEAT) >> LPUART_POSITION_CR1_DEAT); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR3, USART_CR3_DEM) == (USART_CR3_DEM)); +} + +/** + * @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(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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_PE) == (USART_ISR_PE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_FE) == (USART_ISR_FE)); +} + +/** + * @brief Check if the LPUART Noise 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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_NE) == (USART_ISR_NE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_ORE) == (USART_ISR_ORE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_IDLE) == (USART_ISR_IDLE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_RXNE) == (USART_ISR_RXNE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_TC) == (USART_ISR_TC)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_TXE) == (USART_ISR_TXE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_CTSIF) == (USART_ISR_CTSIF)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_CTS) == (USART_ISR_CTS)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_BUSY) == (USART_ISR_BUSY)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_CMF) == (USART_ISR_CMF)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_SBKF) == (USART_ISR_SBKF)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_RWU) == (USART_ISR_RWU)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_WUF) == (USART_ISR_WUF)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_TEACK) == (USART_ISR_TEACK)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->ISR, USART_ISR_REACK) == (USART_ISR_REACK)); +} + +/** + * @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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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) +{ + 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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR1, USART_CR1_RXNEIE) == (USART_CR1_RXNEIE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR1, USART_CR1_TXEIE) == (USART_CR1_TXEIE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR1, USART_CR1_CMIE) == (USART_CR1_CMIE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR3, USART_CR3_WUFIE) == (USART_CR3_WUFIE)); +} + +/** + * @} + */ + +/** @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) +{ + 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) +{ + 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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR)); +} + +/** + * @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) +{ + 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) +{ + 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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT)); +} + +/** + * @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(USART_TypeDef *LPUARTx) +{ + return (READ_BIT(LPUARTx->CR3, USART_CR3_DDRE) == (USART_CR3_DDRE)); +} + +/** + * @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(USART_TypeDef *LPUARTx, uint32_t Direction) +{ + register uint32_t data_reg_addr = 0U; + + 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(USART_TypeDef *LPUARTx) +{ + return (uint8_t)(READ_BIT(LPUARTx->RDR, USART_RDR_RDR)); +} + +/** + * @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(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 & 0x1FFU; +} + +/** + * @} + */ + +/** @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, 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, USART_RQR_MMRQ); +} + +/** + * @brief Request a Receive Data flush + * @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, USART_RQR_RXFRQ); +} + +/** + * @} + */ + +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup LPUART_LL_EF_Init Initialization and de-initialization functions + * @{ + */ +ErrorStatus LL_LPUART_DeInit(USART_TypeDef *LPUARTx); +ErrorStatus LL_LPUART_Init(USART_TypeDef *LPUARTx, 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 /* __STM32L4xx_LL_LPUART_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/