From 44c8a1777f4a3bd619676c16852cb8764369a8ec Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Wed, 4 Mar 2020 12:33:17 +0100 Subject: bsp/stm32h7: Import from STM32CubeMX-5.6.0 Update #3910. --- bsps/arm/stm32h7/include/stm32h7xx_ll_usart.h | 4385 +++++++++++++++++++++++++ 1 file changed, 4385 insertions(+) create mode 100644 bsps/arm/stm32h7/include/stm32h7xx_ll_usart.h (limited to 'bsps/arm/stm32h7/include/stm32h7xx_ll_usart.h') diff --git a/bsps/arm/stm32h7/include/stm32h7xx_ll_usart.h b/bsps/arm/stm32h7/include/stm32h7xx_ll_usart.h new file mode 100644 index 0000000000..639410185c --- /dev/null +++ b/bsps/arm/stm32h7/include/stm32h7xx_ll_usart.h @@ -0,0 +1,4385 @@ +/** + ****************************************************************************** + * @file stm32h7xx_ll_usart.h + * @author MCD Application Team + * @brief Header file of USART LL module. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2017 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef STM32H7xx_LL_USART_H +#define STM32H7xx_LL_USART_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx.h" + +/** @addtogroup STM32H7xx_LL_Driver + * @{ + */ + +#if defined (USART1) || defined (USART2) || defined (USART3) || defined (USART6) || defined (UART4) || defined (UART5) || defined (UART7) || defined (UART8) || defined (UART9) || defined (USART10) + +/** @defgroup USART_LL USART + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/** @defgroup USART_LL_Private_Variables USART Private Variables + * @{ + */ +/* Array used to get the USART prescaler division decimal values versus @ref USART_LL_EC_PRESCALER values */ +static const uint32_t USART_PRESCALER_TAB[] = +{ + 1UL, + 2UL, + 4UL, + 6UL, + 8UL, + 10UL, + 12UL, + 16UL, + 32UL, + 64UL, + 128UL, + 256UL +}; +/** + * @} + */ + +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup USART_LL_Private_Macros USART Private Macros + * @{ + */ +/** + * @} + */ +#endif /*USE_FULL_LL_DRIVER*/ + +/* Exported types ------------------------------------------------------------*/ +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup USART_LL_ES_INIT USART Exported Init structures + * @{ + */ + +/** + * @brief LL USART Init Structure definition + */ +typedef struct +{ + uint32_t PrescalerValue; /*!< Specifies the Prescaler to compute the communication baud rate. + This parameter can be a value of @ref USART_LL_EC_PRESCALER. + + This feature can be modified afterwards using unitary function @ref LL_USART_SetPrescaler().*/ + + uint32_t BaudRate; /*!< This field defines expected Usart communication baud rate. + + This feature can be modified afterwards using unitary function @ref LL_USART_SetBaudRate().*/ + + uint32_t DataWidth; /*!< Specifies the number of data bits transmitted or received in a frame. + This parameter can be a value of @ref USART_LL_EC_DATAWIDTH. + + This feature can be modified afterwards using unitary function @ref LL_USART_SetDataWidth().*/ + + uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. + This parameter can be a value of @ref USART_LL_EC_STOPBITS. + + This feature can be modified afterwards using unitary function @ref LL_USART_SetStopBitsLength().*/ + + uint32_t Parity; /*!< Specifies the parity mode. + This parameter can be a value of @ref USART_LL_EC_PARITY. + + This feature can be modified afterwards using unitary function @ref LL_USART_SetParity().*/ + + uint32_t TransferDirection; /*!< Specifies whether the Receive and/or Transmit mode is enabled or disabled. + This parameter can be a value of @ref USART_LL_EC_DIRECTION. + + This feature can be modified afterwards using unitary function @ref LL_USART_SetTransferDirection().*/ + + uint32_t HardwareFlowControl; /*!< Specifies whether the hardware flow control mode is enabled or disabled. + This parameter can be a value of @ref USART_LL_EC_HWCONTROL. + + This feature can be modified afterwards using unitary function @ref LL_USART_SetHWFlowCtrl().*/ + + uint32_t OverSampling; /*!< Specifies whether USART oversampling mode is 16 or 8. + This parameter can be a value of @ref USART_LL_EC_OVERSAMPLING. + + This feature can be modified afterwards using unitary function @ref LL_USART_SetOverSampling().*/ + +} LL_USART_InitTypeDef; + +/** + * @brief LL USART Clock Init Structure definition + */ +typedef struct +{ + uint32_t ClockOutput; /*!< Specifies whether the USART clock is enabled or disabled. + This parameter can be a value of @ref USART_LL_EC_CLOCK. + + USART HW configuration can be modified afterwards using unitary functions + @ref LL_USART_EnableSCLKOutput() or @ref LL_USART_DisableSCLKOutput(). + For more details, refer to description of this function. */ + + uint32_t ClockPolarity; /*!< Specifies the steady state of the serial clock. + This parameter can be a value of @ref USART_LL_EC_POLARITY. + + USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPolarity(). + For more details, refer to description of this function. */ + + uint32_t ClockPhase; /*!< Specifies the clock transition on which the bit capture is made. + This parameter can be a value of @ref USART_LL_EC_PHASE. + + USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetClockPhase(). + For more details, refer to description of this function. */ + + uint32_t LastBitClockPulse; /*!< Specifies whether the clock pulse corresponding to the last transmitted + data bit (MSB) has to be output on the SCLK pin in synchronous mode. + This parameter can be a value of @ref USART_LL_EC_LASTCLKPULSE. + + USART HW configuration can be modified afterwards using unitary functions @ref LL_USART_SetLastClkPulseOutput(). + For more details, refer to description of this function. */ + +} LL_USART_ClockInitTypeDef; + +/** + * @} + */ +#endif /* USE_FULL_LL_DRIVER */ + +/* Exported constants --------------------------------------------------------*/ +/** @defgroup USART_LL_Exported_Constants USART Exported Constants + * @{ + */ + +/** @defgroup USART_LL_EC_CLEAR_FLAG Clear Flags Defines + * @brief Flags defines which can be used with LL_USART_WriteReg function + * @{ + */ +#define LL_USART_ICR_PECF USART_ICR_PECF /*!< Parity error flag */ +#define LL_USART_ICR_FECF USART_ICR_FECF /*!< Framing error flag */ +#define LL_USART_ICR_NECF USART_ICR_NECF /*!< Noise error detected flag */ +#define LL_USART_ICR_ORECF USART_ICR_ORECF /*!< Overrun error flag */ +#define LL_USART_ICR_IDLECF USART_ICR_IDLECF /*!< Idle line detected flag */ +#define LL_USART_ICR_TXFECF USART_ICR_TXFECF /*!< TX FIFO Empty Clear flag */ +#define LL_USART_ICR_TCCF USART_ICR_TCCF /*!< Transmission complete flag */ +#define LL_USART_ICR_TCBGTCF USART_ICR_TCBGTCF /*!< Transmission completed before guard time flag */ +#define LL_USART_ICR_LBDCF USART_ICR_LBDCF /*!< LIN break detection flag */ +#define LL_USART_ICR_CTSCF USART_ICR_CTSCF /*!< CTS flag */ +#define LL_USART_ICR_RTOCF USART_ICR_RTOCF /*!< Receiver timeout flag */ +#define LL_USART_ICR_EOBCF USART_ICR_EOBCF /*!< End of block flag */ +#define LL_USART_ICR_UDRCF USART_ICR_UDRCF /*!< SPI Slave Underrun Clear flag */ +#define LL_USART_ICR_CMCF USART_ICR_CMCF /*!< Character match flag */ +#define LL_USART_ICR_WUCF USART_ICR_WUCF /*!< Wakeup from Stop mode flag */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_GET_FLAG Get Flags Defines + * @brief Flags defines which can be used with LL_USART_ReadReg function + * @{ + */ +#define LL_USART_ISR_PE USART_ISR_PE /*!< Parity error flag */ +#define LL_USART_ISR_FE USART_ISR_FE /*!< Framing error flag */ +#define LL_USART_ISR_NE USART_ISR_NE /*!< Noise detected flag */ +#define LL_USART_ISR_ORE USART_ISR_ORE /*!< Overrun error flag */ +#define LL_USART_ISR_IDLE USART_ISR_IDLE /*!< Idle line detected flag */ +#define LL_USART_ISR_RXNE_RXFNE USART_ISR_RXNE_RXFNE /*!< Read data register or RX FIFO not empty flag */ +#define LL_USART_ISR_TC USART_ISR_TC /*!< Transmission complete flag */ +#define LL_USART_ISR_TXE_TXFNF USART_ISR_TXE_TXFNF /*!< Transmit data register empty or TX FIFO Not Full flag*/ +#define LL_USART_ISR_LBDF USART_ISR_LBDF /*!< LIN break detection flag */ +#define LL_USART_ISR_CTSIF USART_ISR_CTSIF /*!< CTS interrupt flag */ +#define LL_USART_ISR_CTS USART_ISR_CTS /*!< CTS flag */ +#define LL_USART_ISR_RTOF USART_ISR_RTOF /*!< Receiver timeout flag */ +#define LL_USART_ISR_EOBF USART_ISR_EOBF /*!< End of block flag */ +#define LL_USART_ISR_UDR USART_ISR_UDR /*!< SPI Slave underrun error flag */ +#define LL_USART_ISR_ABRE USART_ISR_ABRE /*!< Auto baud rate error flag */ +#define LL_USART_ISR_ABRF USART_ISR_ABRF /*!< Auto baud rate flag */ +#define LL_USART_ISR_BUSY USART_ISR_BUSY /*!< Busy flag */ +#define LL_USART_ISR_CMF USART_ISR_CMF /*!< Character match flag */ +#define LL_USART_ISR_SBKF USART_ISR_SBKF /*!< Send break flag */ +#define LL_USART_ISR_RWU USART_ISR_RWU /*!< Receiver wakeup from Mute mode flag */ +#define LL_USART_ISR_WUF USART_ISR_WUF /*!< Wakeup from Stop mode flag */ +#define LL_USART_ISR_TEACK USART_ISR_TEACK /*!< Transmit enable acknowledge flag */ +#define LL_USART_ISR_REACK USART_ISR_REACK /*!< Receive enable acknowledge flag */ +#define LL_USART_ISR_TXFE USART_ISR_TXFE /*!< TX FIFO empty flag */ +#define LL_USART_ISR_RXFF USART_ISR_RXFF /*!< RX FIFO full flag */ +#define LL_USART_ISR_TCBGT USART_ISR_TCBGT /*!< Transmission complete before guard time completion flag */ +#define LL_USART_ISR_RXFT USART_ISR_RXFT /*!< RX FIFO threshold flag */ +#define LL_USART_ISR_TXFT USART_ISR_TXFT /*!< TX FIFO threshold flag */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_IT IT Defines + * @brief IT defines which can be used with LL_USART_ReadReg and LL_USART_WriteReg functions + * @{ + */ +#define LL_USART_CR1_IDLEIE USART_CR1_IDLEIE /*!< IDLE interrupt enable */ +#define LL_USART_CR1_RXNEIE_RXFNEIE USART_CR1_RXNEIE_RXFNEIE /*!< Read data register and RXFIFO not empty interrupt enable */ +#define LL_USART_CR1_TCIE USART_CR1_TCIE /*!< Transmission complete interrupt enable */ +#define LL_USART_CR1_TXEIE_TXFNFIE USART_CR1_TXEIE_TXFNFIE /*!< Transmit data register empty and TX FIFO not full interrupt enable */ +#define LL_USART_CR1_PEIE USART_CR1_PEIE /*!< Parity error */ +#define LL_USART_CR1_CMIE USART_CR1_CMIE /*!< Character match interrupt enable */ +#define LL_USART_CR1_RTOIE USART_CR1_RTOIE /*!< Receiver timeout interrupt enable */ +#define LL_USART_CR1_EOBIE USART_CR1_EOBIE /*!< End of Block interrupt enable */ +#define LL_USART_CR1_TXFEIE USART_CR1_TXFEIE /*!< TX FIFO empty interrupt enable */ +#define LL_USART_CR1_RXFFIE USART_CR1_RXFFIE /*!< RX FIFO full interrupt enable */ +#define LL_USART_CR2_LBDIE USART_CR2_LBDIE /*!< LIN break detection interrupt enable */ +#define LL_USART_CR3_EIE USART_CR3_EIE /*!< Error interrupt enable */ +#define LL_USART_CR3_CTSIE USART_CR3_CTSIE /*!< CTS interrupt enable */ +#define LL_USART_CR3_WUFIE USART_CR3_WUFIE /*!< Wakeup from Stop mode interrupt enable */ +#define LL_USART_CR3_TXFTIE USART_CR3_TXFTIE /*!< TX FIFO threshold interrupt enable */ +#define LL_USART_CR3_TCBGTIE USART_CR3_TCBGTIE /*!< Transmission complete before guard time interrupt enable */ +#define LL_USART_CR3_RXFTIE USART_CR3_RXFTIE /*!< RX FIFO threshold interrupt enable */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_FIFOTHRESHOLD FIFO Threshold + * @{ + */ +#define LL_USART_FIFOTHRESHOLD_1_8 0x00000000U /*!< FIFO reaches 1/8 of its depth */ +#define LL_USART_FIFOTHRESHOLD_1_4 0x00000001U /*!< FIFO reaches 1/4 of its depth */ +#define LL_USART_FIFOTHRESHOLD_1_2 0x00000002U /*!< FIFO reaches 1/2 of its depth */ +#define LL_USART_FIFOTHRESHOLD_3_4 0x00000003U /*!< FIFO reaches 3/4 of its depth */ +#define LL_USART_FIFOTHRESHOLD_7_8 0x00000004U /*!< FIFO reaches 7/8 of its depth */ +#define LL_USART_FIFOTHRESHOLD_8_8 0x00000005U /*!< FIFO becomes empty for TX and full for RX */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_DIRECTION Communication Direction + * @{ + */ +#define LL_USART_DIRECTION_NONE 0x00000000U /*!< Transmitter and Receiver are disabled */ +#define LL_USART_DIRECTION_RX USART_CR1_RE /*!< Transmitter is disabled and Receiver is enabled */ +#define LL_USART_DIRECTION_TX USART_CR1_TE /*!< Transmitter is enabled and Receiver is disabled */ +#define LL_USART_DIRECTION_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< Transmitter and Receiver are enabled */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_PARITY Parity Control + * @{ + */ +#define LL_USART_PARITY_NONE 0x00000000U /*!< Parity control disabled */ +#define LL_USART_PARITY_EVEN USART_CR1_PCE /*!< Parity control enabled and Even Parity is selected */ +#define LL_USART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Parity control enabled and Odd Parity is selected */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_WAKEUP Wakeup + * @{ + */ +#define LL_USART_WAKEUP_IDLELINE 0x00000000U /*!< USART wake up from Mute mode on Idle Line */ +#define LL_USART_WAKEUP_ADDRESSMARK USART_CR1_WAKE /*!< USART wake up from Mute mode on Address Mark */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_DATAWIDTH Datawidth + * @{ + */ +#define LL_USART_DATAWIDTH_7B USART_CR1_M1 /*!< 7 bits word length : Start bit, 7 data bits, n stop bits */ +#define LL_USART_DATAWIDTH_8B 0x00000000U /*!< 8 bits word length : Start bit, 8 data bits, n stop bits */ +#define LL_USART_DATAWIDTH_9B USART_CR1_M0 /*!< 9 bits word length : Start bit, 9 data bits, n stop bits */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_OVERSAMPLING Oversampling + * @{ + */ +#define LL_USART_OVERSAMPLING_16 0x00000000U /*!< Oversampling by 16 */ +#define LL_USART_OVERSAMPLING_8 USART_CR1_OVER8 /*!< Oversampling by 8 */ +/** + * @} + */ + +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup USART_LL_EC_CLOCK Clock Signal + * @{ + */ + +#define LL_USART_CLOCK_DISABLE 0x00000000U /*!< Clock signal not provided */ +#define LL_USART_CLOCK_ENABLE USART_CR2_CLKEN /*!< Clock signal provided */ +/** + * @} + */ +#endif /*USE_FULL_LL_DRIVER*/ + +/** @defgroup USART_LL_EC_LASTCLKPULSE Last Clock Pulse + * @{ + */ +#define LL_USART_LASTCLKPULSE_NO_OUTPUT 0x00000000U /*!< The clock pulse of the last data bit is not output to the SCLK pin */ +#define LL_USART_LASTCLKPULSE_OUTPUT USART_CR2_LBCL /*!< The clock pulse of the last data bit is output to the SCLK pin */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_PHASE Clock Phase + * @{ + */ +#define LL_USART_PHASE_1EDGE 0x00000000U /*!< The first clock transition is the first data capture edge */ +#define LL_USART_PHASE_2EDGE USART_CR2_CPHA /*!< The second clock transition is the first data capture edge */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_POLARITY Clock Polarity + * @{ + */ +#define LL_USART_POLARITY_LOW 0x00000000U /*!< Steady low value on SCLK pin outside transmission window*/ +#define LL_USART_POLARITY_HIGH USART_CR2_CPOL /*!< Steady high value on SCLK pin outside transmission window */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_PRESCALER Clock Source Prescaler + * @{ + */ +#define LL_USART_PRESCALER_DIV1 0x00000000U /*!< Input clock not devided */ +#define LL_USART_PRESCALER_DIV2 (USART_PRESC_PRESCALER_0) /*!< Input clock devided by 2 */ +#define LL_USART_PRESCALER_DIV4 (USART_PRESC_PRESCALER_1) /*!< Input clock devided by 4 */ +#define LL_USART_PRESCALER_DIV6 (USART_PRESC_PRESCALER_1 | USART_PRESC_PRESCALER_0) /*!< Input clock devided by 6 */ +#define LL_USART_PRESCALER_DIV8 (USART_PRESC_PRESCALER_2) /*!< Input clock devided by 8 */ +#define LL_USART_PRESCALER_DIV10 (USART_PRESC_PRESCALER_2 | USART_PRESC_PRESCALER_0) /*!< Input clock devided by 10 */ +#define LL_USART_PRESCALER_DIV12 (USART_PRESC_PRESCALER_2 | USART_PRESC_PRESCALER_1) /*!< Input clock devided by 12 */ +#define LL_USART_PRESCALER_DIV16 (USART_PRESC_PRESCALER_2 | USART_PRESC_PRESCALER_1 | USART_PRESC_PRESCALER_0) /*!< Input clock devided by 16 */ +#define LL_USART_PRESCALER_DIV32 (USART_PRESC_PRESCALER_3) /*!< Input clock devided by 32 */ +#define LL_USART_PRESCALER_DIV64 (USART_PRESC_PRESCALER_3 | USART_PRESC_PRESCALER_0) /*!< Input clock devided by 64 */ +#define LL_USART_PRESCALER_DIV128 (USART_PRESC_PRESCALER_3 | USART_PRESC_PRESCALER_1) /*!< Input clock devided by 128 */ +#define LL_USART_PRESCALER_DIV256 (USART_PRESC_PRESCALER_3 | USART_PRESC_PRESCALER_1 | USART_PRESC_PRESCALER_0) /*!< Input clock devided by 256 */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_STOPBITS Stop Bits + * @{ + */ +#define LL_USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< 0.5 stop bit */ +#define LL_USART_STOPBITS_1 0x00000000U /*!< 1 stop bit */ +#define LL_USART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< 1.5 stop bits */ +#define LL_USART_STOPBITS_2 USART_CR2_STOP_1 /*!< 2 stop bits */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_TXRX TX RX Pins Swap + * @{ + */ +#define LL_USART_TXRX_STANDARD 0x00000000U /*!< TX/RX pins are used as defined in standard pinout */ +#define LL_USART_TXRX_SWAPPED (USART_CR2_SWAP) /*!< TX and RX pins functions are swapped. */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_RXPIN_LEVEL RX Pin Active Level Inversion + * @{ + */ +#define LL_USART_RXPIN_LEVEL_STANDARD 0x00000000U /*!< RX pin signal works using the standard logic levels */ +#define LL_USART_RXPIN_LEVEL_INVERTED (USART_CR2_RXINV) /*!< RX pin signal values are inverted. */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_TXPIN_LEVEL TX Pin Active Level Inversion + * @{ + */ +#define LL_USART_TXPIN_LEVEL_STANDARD 0x00000000U /*!< TX pin signal works using the standard logic levels */ +#define LL_USART_TXPIN_LEVEL_INVERTED (USART_CR2_TXINV) /*!< TX pin signal values are inverted. */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_BINARY_LOGIC Binary Data Inversion + * @{ + */ +#define LL_USART_BINARY_LOGIC_POSITIVE 0x00000000U /*!< Logical data from the data register are send/received in positive/direct logic. (1=H, 0=L) */ +#define LL_USART_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 USART_LL_EC_BITORDER Bit Order + * @{ + */ +#define LL_USART_BITORDER_LSBFIRST 0x00000000U /*!< data is transmitted/received with data bit 0 first, following the start bit */ +#define LL_USART_BITORDER_MSBFIRST USART_CR2_MSBFIRST /*!< data is transmitted/received with the MSB first, following the start bit */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_AUTOBAUD_DETECT_ON Autobaud Detection + * @{ + */ +#define LL_USART_AUTOBAUD_DETECT_ON_STARTBIT 0x00000000U /*!< Measurement of the start bit is used to detect the baud rate */ +#define LL_USART_AUTOBAUD_DETECT_ON_FALLINGEDGE USART_CR2_ABRMODE_0 /*!< Falling edge to falling edge measurement. Received frame must start with a single bit = 1 -> Frame = Start10xxxxxx */ +#define LL_USART_AUTOBAUD_DETECT_ON_7F_FRAME USART_CR2_ABRMODE_1 /*!< 0x7F frame detection */ +#define LL_USART_AUTOBAUD_DETECT_ON_55_FRAME (USART_CR2_ABRMODE_1 | USART_CR2_ABRMODE_0) /*!< 0x55 frame detection */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_ADDRESS_DETECT Address Length Detection + * @{ + */ +#define LL_USART_ADDRESS_DETECT_4B 0x00000000U /*!< 4-bit address detection method selected */ +#define LL_USART_ADDRESS_DETECT_7B USART_CR2_ADDM7 /*!< 7-bit address detection (in 8-bit data mode) method selected */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_HWCONTROL Hardware Control + * @{ + */ +#define LL_USART_HWCONTROL_NONE 0x00000000U /*!< CTS and RTS hardware flow control disabled */ +#define LL_USART_HWCONTROL_RTS USART_CR3_RTSE /*!< RTS output enabled, data is only requested when there is space in the receive buffer */ +#define LL_USART_HWCONTROL_CTS USART_CR3_CTSE /*!< CTS mode enabled, data is only transmitted when the nCTS input is asserted (tied to 0) */ +#define LL_USART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE) /*!< CTS and RTS hardware flow control enabled */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_WAKEUP_ON Wakeup Activation + * @{ + */ +#define LL_USART_WAKEUP_ON_ADDRESS 0x00000000U /*!< Wake up active on address match */ +#define LL_USART_WAKEUP_ON_STARTBIT USART_CR3_WUS_1 /*!< Wake up active on Start bit detection */ +#define LL_USART_WAKEUP_ON_RXNE (USART_CR3_WUS_0 | USART_CR3_WUS_1) /*!< Wake up active on RXNE */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_IRDA_POWER IrDA Power + * @{ + */ +#define LL_USART_IRDA_POWER_NORMAL 0x00000000U /*!< IrDA normal power mode */ +#define LL_USART_IRDA_POWER_LOW USART_CR3_IRLP /*!< IrDA low power mode */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_LINBREAK_DETECT LIN Break Detection Length + * @{ + */ +#define LL_USART_LINBREAK_DETECT_10B 0x00000000U /*!< 10-bit break detection method selected */ +#define LL_USART_LINBREAK_DETECT_11B USART_CR2_LBDL /*!< 11-bit break detection method selected */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_DE_POLARITY Driver Enable Polarity + * @{ + */ +#define LL_USART_DE_POLARITY_HIGH 0x00000000U /*!< DE signal is active high */ +#define LL_USART_DE_POLARITY_LOW USART_CR3_DEP /*!< DE signal is active low */ +/** + * @} + */ + +/** @defgroup USART_LL_EC_DMA_REG_DATA DMA Register Data + * @{ + */ +#define LL_USART_DMA_REG_DATA_TRANSMIT 0x00000000U /*!< Get address of data register used for transmission */ +#define LL_USART_DMA_REG_DATA_RECEIVE 0x00000001U /*!< Get address of data register used for reception */ +/** + * @} + */ + +/** + * @} + */ + +/* Exported macro ------------------------------------------------------------*/ +/** @defgroup USART_LL_Exported_Macros USART Exported Macros + * @{ + */ + +/** @defgroup USART_LL_EM_WRITE_READ Common Write and read registers Macros + * @{ + */ + +/** + * @brief Write a value in USART register + * @param __INSTANCE__ USART Instance + * @param __REG__ Register to be written + * @param __VALUE__ Value to be written in the register + * @retval None + */ +#define LL_USART_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) + +/** + * @brief Read a value in USART register + * @param __INSTANCE__ USART Instance + * @param __REG__ Register to be read + * @retval Register value + */ +#define LL_USART_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) +/** + * @} + */ + +/** @defgroup USART_LL_EM_Exported_Macros_Helper Exported_Macros_Helper + * @{ + */ + +/** + * @brief Compute USARTDIV value according to Peripheral Clock and + * expected Baud Rate in 8 bits sampling mode (32 bits value of USARTDIV is returned) + * @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance + * @param __PRESCALER__ This parameter can be one of the following values: + * @arg @ref LL_USART_PRESCALER_DIV1 + * @arg @ref LL_USART_PRESCALER_DIV2 + * @arg @ref LL_USART_PRESCALER_DIV4 + * @arg @ref LL_USART_PRESCALER_DIV6 + * @arg @ref LL_USART_PRESCALER_DIV8 + * @arg @ref LL_USART_PRESCALER_DIV10 + * @arg @ref LL_USART_PRESCALER_DIV12 + * @arg @ref LL_USART_PRESCALER_DIV16 + * @arg @ref LL_USART_PRESCALER_DIV32 + * @arg @ref LL_USART_PRESCALER_DIV64 + * @arg @ref LL_USART_PRESCALER_DIV128 + * @arg @ref LL_USART_PRESCALER_DIV256 + * @param __BAUDRATE__ Baud rate value to achieve + * @retval USARTDIV value to be used for BRR register filling in OverSampling_8 case + */ +#define __LL_USART_DIV_SAMPLING8(__PERIPHCLK__, __PRESCALER__, __BAUDRATE__) (((((__PERIPHCLK__)/(USART_PRESCALER_TAB[(__PRESCALER__)]))*2U)\ + + ((__BAUDRATE__)/2U))/(__BAUDRATE__)) + +/** + * @brief Compute USARTDIV value according to Peripheral Clock and + * expected Baud Rate in 16 bits sampling mode (32 bits value of USARTDIV is returned) + * @param __PERIPHCLK__ Peripheral Clock frequency used for USART instance + * @param __PRESCALER__ This parameter can be one of the following values: + * @arg @ref LL_USART_PRESCALER_DIV1 + * @arg @ref LL_USART_PRESCALER_DIV2 + * @arg @ref LL_USART_PRESCALER_DIV4 + * @arg @ref LL_USART_PRESCALER_DIV6 + * @arg @ref LL_USART_PRESCALER_DIV8 + * @arg @ref LL_USART_PRESCALER_DIV10 + * @arg @ref LL_USART_PRESCALER_DIV12 + * @arg @ref LL_USART_PRESCALER_DIV16 + * @arg @ref LL_USART_PRESCALER_DIV32 + * @arg @ref LL_USART_PRESCALER_DIV64 + * @arg @ref LL_USART_PRESCALER_DIV128 + * @arg @ref LL_USART_PRESCALER_DIV256 + * @param __BAUDRATE__ Baud rate value to achieve + * @retval USARTDIV value to be used for BRR register filling in OverSampling_16 case + */ +#define __LL_USART_DIV_SAMPLING16(__PERIPHCLK__, __PRESCALER__, __BAUDRATE__) ((((__PERIPHCLK__)/(USART_PRESCALER_TAB[(__PRESCALER__)]))\ + + ((__BAUDRATE__)/2U))/(__BAUDRATE__)) + +/** + * @} + */ + +/** + * @} + */ + +/* Exported functions --------------------------------------------------------*/ + +/** @defgroup USART_LL_Exported_Functions USART Exported Functions + * @{ + */ + +/** @defgroup USART_LL_EF_Configuration Configuration functions + * @{ + */ + +/** + * @brief USART Enable + * @rmtoll CR1 UE LL_USART_Enable + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_Enable(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_UE); +} + +/** + * @brief USART Disable (all USART prescalers and outputs are disabled) + * @note When USART is disabled, USART prescalers and outputs are stopped immediately, + * and current operations are discarded. The configuration of the USART is kept, but all the status + * flags, in the USARTx_ISR are set to their default values. + * @rmtoll CR1 UE LL_USART_Disable + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_Disable(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_UE); +} + +/** + * @brief Indicate if USART is enabled + * @rmtoll CR1 UE LL_USART_IsEnabled + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabled(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_UE) == (USART_CR1_UE)) ? 1UL : 0UL); +} + +/** + * @brief FIFO Mode Enable + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 FIFOEN LL_USART_EnableFIFO + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableFIFO(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_FIFOEN); +} + +/** + * @brief FIFO Mode Disable + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 FIFOEN LL_USART_DisableFIFO + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableFIFO(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_FIFOEN); +} + +/** + * @brief Indicate if FIFO Mode is enabled + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 FIFOEN LL_USART_IsEnabledFIFO + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledFIFO(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_FIFOEN) == (USART_CR1_FIFOEN)) ? 1UL : 0UL); +} + +/** + * @brief Configure TX FIFO Threshold + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 TXFTCFG LL_USART_SetTXFIFOThreshold + * @param USARTx USART Instance + * @param Threshold This parameter can be one of the following values: + * @arg @ref LL_USART_FIFOTHRESHOLD_1_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_2 + * @arg @ref LL_USART_FIFOTHRESHOLD_3_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_7_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_8_8 + * @retval None + */ +__STATIC_INLINE void LL_USART_SetTXFIFOThreshold(USART_TypeDef *USARTx, uint32_t Threshold) +{ + MODIFY_REG(USARTx->CR3, USART_CR3_TXFTCFG, Threshold << USART_CR3_TXFTCFG_Pos); +} + +/** + * @brief Return TX FIFO Threshold Configuration + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 TXFTCFG LL_USART_GetTXFIFOThreshold + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_FIFOTHRESHOLD_1_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_2 + * @arg @ref LL_USART_FIFOTHRESHOLD_3_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_7_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_8_8 + */ +__STATIC_INLINE uint32_t LL_USART_GetTXFIFOThreshold(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_TXFTCFG) >> USART_CR3_TXFTCFG_Pos); +} + +/** + * @brief Configure RX FIFO Threshold + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 RXFTCFG LL_USART_SetRXFIFOThreshold + * @param USARTx USART Instance + * @param Threshold This parameter can be one of the following values: + * @arg @ref LL_USART_FIFOTHRESHOLD_1_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_2 + * @arg @ref LL_USART_FIFOTHRESHOLD_3_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_7_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_8_8 + * @retval None + */ +__STATIC_INLINE void LL_USART_SetRXFIFOThreshold(USART_TypeDef *USARTx, uint32_t Threshold) +{ + MODIFY_REG(USARTx->CR3, USART_CR3_RXFTCFG, Threshold << USART_CR3_RXFTCFG_Pos); +} + +/** + * @brief Return RX FIFO Threshold Configuration + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 RXFTCFG LL_USART_GetRXFIFOThreshold + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_FIFOTHRESHOLD_1_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_2 + * @arg @ref LL_USART_FIFOTHRESHOLD_3_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_7_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_8_8 + */ +__STATIC_INLINE uint32_t LL_USART_GetRXFIFOThreshold(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_RXFTCFG) >> USART_CR3_RXFTCFG_Pos); +} + +/** + * @brief Configure TX and RX FIFOs Threshold + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 TXFTCFG LL_USART_ConfigFIFOsThreshold\n + * CR3 RXFTCFG LL_USART_ConfigFIFOsThreshold + * @param USARTx USART Instance + * @param TXThreshold This parameter can be one of the following values: + * @arg @ref LL_USART_FIFOTHRESHOLD_1_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_2 + * @arg @ref LL_USART_FIFOTHRESHOLD_3_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_7_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_8_8 + * @param RXThreshold This parameter can be one of the following values: + * @arg @ref LL_USART_FIFOTHRESHOLD_1_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_1_2 + * @arg @ref LL_USART_FIFOTHRESHOLD_3_4 + * @arg @ref LL_USART_FIFOTHRESHOLD_7_8 + * @arg @ref LL_USART_FIFOTHRESHOLD_8_8 + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigFIFOsThreshold(USART_TypeDef *USARTx, uint32_t TXThreshold, uint32_t RXThreshold) +{ + MODIFY_REG(USARTx->CR3, USART_CR3_TXFTCFG | USART_CR3_RXFTCFG, (TXThreshold << USART_CR3_TXFTCFG_Pos) | (RXThreshold << USART_CR3_RXFTCFG_Pos)); +} + +/** + * @brief USART enabled in STOP Mode. + * @note When this function is enabled, USART is able to wake up the MCU from Stop mode, provided that + * USART clock selection is HSI or LSE in RCC. + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll CR1 UESM LL_USART_EnableInStopMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableInStopMode(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_UESM); +} + +/** + * @brief USART disabled in STOP Mode. + * @note When this function is disabled, USART is not able to wake up the MCU from Stop mode + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll CR1 UESM LL_USART_DisableInStopMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableInStopMode(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_UESM); +} + +/** + * @brief Indicate if USART is enabled in STOP Mode (able to wake up MCU from Stop mode or not) + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll CR1 UESM LL_USART_IsEnabledInStopMode + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledInStopMode(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_UESM) == (USART_CR1_UESM)) ? 1UL : 0UL); +} + +/** + * @brief Receiver Enable (Receiver is enabled and begins searching for a start bit) + * @rmtoll CR1 RE LL_USART_EnableDirectionRx + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableDirectionRx(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_RE); +} + +/** + * @brief Receiver Disable + * @rmtoll CR1 RE LL_USART_DisableDirectionRx + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableDirectionRx(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_RE); +} + +/** + * @brief Transmitter Enable + * @rmtoll CR1 TE LL_USART_EnableDirectionTx + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableDirectionTx(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_TE); +} + +/** + * @brief Transmitter Disable + * @rmtoll CR1 TE LL_USART_DisableDirectionTx + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableDirectionTx(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_TE); +} + +/** + * @brief Configure simultaneously enabled/disabled states + * of Transmitter and Receiver + * @rmtoll CR1 RE LL_USART_SetTransferDirection\n + * CR1 TE LL_USART_SetTransferDirection + * @param USARTx USART Instance + * @param TransferDirection This parameter can be one of the following values: + * @arg @ref LL_USART_DIRECTION_NONE + * @arg @ref LL_USART_DIRECTION_RX + * @arg @ref LL_USART_DIRECTION_TX + * @arg @ref LL_USART_DIRECTION_TX_RX + * @retval None + */ +__STATIC_INLINE void LL_USART_SetTransferDirection(USART_TypeDef *USARTx, uint32_t TransferDirection) +{ + MODIFY_REG(USARTx->CR1, USART_CR1_RE | USART_CR1_TE, TransferDirection); +} + +/** + * @brief Return enabled/disabled states of Transmitter and Receiver + * @rmtoll CR1 RE LL_USART_GetTransferDirection\n + * CR1 TE LL_USART_GetTransferDirection + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_DIRECTION_NONE + * @arg @ref LL_USART_DIRECTION_RX + * @arg @ref LL_USART_DIRECTION_TX + * @arg @ref LL_USART_DIRECTION_TX_RX + */ +__STATIC_INLINE uint32_t LL_USART_GetTransferDirection(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->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 + * (9th or 8th bit depending on data width) and parity is checked on the received data. + * @rmtoll CR1 PS LL_USART_SetParity\n + * CR1 PCE LL_USART_SetParity + * @param USARTx USART Instance + * @param Parity This parameter can be one of the following values: + * @arg @ref LL_USART_PARITY_NONE + * @arg @ref LL_USART_PARITY_EVEN + * @arg @ref LL_USART_PARITY_ODD + * @retval None + */ +__STATIC_INLINE void LL_USART_SetParity(USART_TypeDef *USARTx, uint32_t Parity) +{ + MODIFY_REG(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE, Parity); +} + +/** + * @brief Return Parity configuration (enabled/disabled and parity mode if enabled) + * @rmtoll CR1 PS LL_USART_GetParity\n + * CR1 PCE LL_USART_GetParity + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_PARITY_NONE + * @arg @ref LL_USART_PARITY_EVEN + * @arg @ref LL_USART_PARITY_ODD + */ +__STATIC_INLINE uint32_t LL_USART_GetParity(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE)); +} + +/** + * @brief Set Receiver Wake Up method from Mute mode. + * @rmtoll CR1 WAKE LL_USART_SetWakeUpMethod + * @param USARTx USART Instance + * @param Method This parameter can be one of the following values: + * @arg @ref LL_USART_WAKEUP_IDLELINE + * @arg @ref LL_USART_WAKEUP_ADDRESSMARK + * @retval None + */ +__STATIC_INLINE void LL_USART_SetWakeUpMethod(USART_TypeDef *USARTx, uint32_t Method) +{ + MODIFY_REG(USARTx->CR1, USART_CR1_WAKE, Method); +} + +/** + * @brief Return Receiver Wake Up method from Mute mode + * @rmtoll CR1 WAKE LL_USART_GetWakeUpMethod + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_WAKEUP_IDLELINE + * @arg @ref LL_USART_WAKEUP_ADDRESSMARK + */ +__STATIC_INLINE uint32_t LL_USART_GetWakeUpMethod(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_WAKE)); +} + +/** + * @brief Set Word length (i.e. nb of data bits, excluding start and stop bits) + * @rmtoll CR1 M0 LL_USART_SetDataWidth\n + * CR1 M1 LL_USART_SetDataWidth + * @param USARTx USART Instance + * @param DataWidth This parameter can be one of the following values: + * @arg @ref LL_USART_DATAWIDTH_7B + * @arg @ref LL_USART_DATAWIDTH_8B + * @arg @ref LL_USART_DATAWIDTH_9B + * @retval None + */ +__STATIC_INLINE void LL_USART_SetDataWidth(USART_TypeDef *USARTx, uint32_t DataWidth) +{ + MODIFY_REG(USARTx->CR1, USART_CR1_M, DataWidth); +} + +/** + * @brief Return Word length (i.e. nb of data bits, excluding start and stop bits) + * @rmtoll CR1 M0 LL_USART_GetDataWidth\n + * CR1 M1 LL_USART_GetDataWidth + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_DATAWIDTH_7B + * @arg @ref LL_USART_DATAWIDTH_8B + * @arg @ref LL_USART_DATAWIDTH_9B + */ +__STATIC_INLINE uint32_t LL_USART_GetDataWidth(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_M)); +} + +/** + * @brief Allow switch between Mute Mode and Active mode + * @rmtoll CR1 MME LL_USART_EnableMuteMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableMuteMode(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_MME); +} + +/** + * @brief Prevent Mute Mode use. Set Receiver in active mode permanently. + * @rmtoll CR1 MME LL_USART_DisableMuteMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableMuteMode(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_MME); +} + +/** + * @brief Indicate if switch between Mute Mode and Active mode is allowed + * @rmtoll CR1 MME LL_USART_IsEnabledMuteMode + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledMuteMode(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_MME) == (USART_CR1_MME)) ? 1UL : 0UL); +} + +/** + * @brief Set Oversampling to 8-bit or 16-bit mode + * @rmtoll CR1 OVER8 LL_USART_SetOverSampling + * @param USARTx USART Instance + * @param OverSampling This parameter can be one of the following values: + * @arg @ref LL_USART_OVERSAMPLING_16 + * @arg @ref LL_USART_OVERSAMPLING_8 + * @retval None + */ +__STATIC_INLINE void LL_USART_SetOverSampling(USART_TypeDef *USARTx, uint32_t OverSampling) +{ + MODIFY_REG(USARTx->CR1, USART_CR1_OVER8, OverSampling); +} + +/** + * @brief Return Oversampling mode + * @rmtoll CR1 OVER8 LL_USART_GetOverSampling + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_OVERSAMPLING_16 + * @arg @ref LL_USART_OVERSAMPLING_8 + */ +__STATIC_INLINE uint32_t LL_USART_GetOverSampling(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_OVER8)); +} + +/** + * @brief Configure if Clock pulse of the last data bit is output to the SCLK pin or not + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @rmtoll CR2 LBCL LL_USART_SetLastClkPulseOutput + * @param USARTx USART Instance + * @param LastBitClockPulse This parameter can be one of the following values: + * @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT + * @arg @ref LL_USART_LASTCLKPULSE_OUTPUT + * @retval None + */ +__STATIC_INLINE void LL_USART_SetLastClkPulseOutput(USART_TypeDef *USARTx, uint32_t LastBitClockPulse) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_LBCL, LastBitClockPulse); +} + +/** + * @brief Retrieve Clock pulse of the last data bit output configuration + * (Last bit Clock pulse output to the SCLK pin or not) + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @rmtoll CR2 LBCL LL_USART_GetLastClkPulseOutput + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT + * @arg @ref LL_USART_LASTCLKPULSE_OUTPUT + */ +__STATIC_INLINE uint32_t LL_USART_GetLastClkPulseOutput(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBCL)); +} + +/** + * @brief Select the phase of the clock output on the SCLK pin in synchronous mode + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @rmtoll CR2 CPHA LL_USART_SetClockPhase + * @param USARTx USART Instance + * @param ClockPhase This parameter can be one of the following values: + * @arg @ref LL_USART_PHASE_1EDGE + * @arg @ref LL_USART_PHASE_2EDGE + * @retval None + */ +__STATIC_INLINE void LL_USART_SetClockPhase(USART_TypeDef *USARTx, uint32_t ClockPhase) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_CPHA, ClockPhase); +} + +/** + * @brief Return phase of the clock output on the SCLK pin in synchronous mode + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @rmtoll CR2 CPHA LL_USART_GetClockPhase + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_PHASE_1EDGE + * @arg @ref LL_USART_PHASE_2EDGE + */ +__STATIC_INLINE uint32_t LL_USART_GetClockPhase(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPHA)); +} + +/** + * @brief Select the polarity of the clock output on the SCLK pin in synchronous mode + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @rmtoll CR2 CPOL LL_USART_SetClockPolarity + * @param USARTx USART Instance + * @param ClockPolarity This parameter can be one of the following values: + * @arg @ref LL_USART_POLARITY_LOW + * @arg @ref LL_USART_POLARITY_HIGH + * @retval None + */ +__STATIC_INLINE void LL_USART_SetClockPolarity(USART_TypeDef *USARTx, uint32_t ClockPolarity) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_CPOL, ClockPolarity); +} + +/** + * @brief Return polarity of the clock output on the SCLK pin in synchronous mode + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @rmtoll CR2 CPOL LL_USART_GetClockPolarity + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_POLARITY_LOW + * @arg @ref LL_USART_POLARITY_HIGH + */ +__STATIC_INLINE uint32_t LL_USART_GetClockPolarity(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_CPOL)); +} + +/** + * @brief Configure Clock signal format (Phase Polarity and choice about output of last bit clock pulse) + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @note Call of this function is equivalent to following function call sequence : + * - Clock Phase configuration using @ref LL_USART_SetClockPhase() function + * - Clock Polarity configuration using @ref LL_USART_SetClockPolarity() function + * - Output of Last bit Clock pulse configuration using @ref LL_USART_SetLastClkPulseOutput() function + * @rmtoll CR2 CPHA LL_USART_ConfigClock\n + * CR2 CPOL LL_USART_ConfigClock\n + * CR2 LBCL LL_USART_ConfigClock + * @param USARTx USART Instance + * @param Phase This parameter can be one of the following values: + * @arg @ref LL_USART_PHASE_1EDGE + * @arg @ref LL_USART_PHASE_2EDGE + * @param Polarity This parameter can be one of the following values: + * @arg @ref LL_USART_POLARITY_LOW + * @arg @ref LL_USART_POLARITY_HIGH + * @param LBCPOutput This parameter can be one of the following values: + * @arg @ref LL_USART_LASTCLKPULSE_NO_OUTPUT + * @arg @ref LL_USART_LASTCLKPULSE_OUTPUT + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigClock(USART_TypeDef *USARTx, uint32_t Phase, uint32_t Polarity, uint32_t LBCPOutput) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_LBCL, Phase | Polarity | LBCPOutput); +} + +/** + * @brief Configure Clock source prescaler for baudrate generator and oversampling + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll PRESC PRESCALER LL_USART_SetPrescaler + * @param USARTx USART Instance + * @param PrescalerValue This parameter can be one of the following values: + * @arg @ref LL_USART_PRESCALER_DIV1 + * @arg @ref LL_USART_PRESCALER_DIV2 + * @arg @ref LL_USART_PRESCALER_DIV4 + * @arg @ref LL_USART_PRESCALER_DIV6 + * @arg @ref LL_USART_PRESCALER_DIV8 + * @arg @ref LL_USART_PRESCALER_DIV10 + * @arg @ref LL_USART_PRESCALER_DIV12 + * @arg @ref LL_USART_PRESCALER_DIV16 + * @arg @ref LL_USART_PRESCALER_DIV32 + * @arg @ref LL_USART_PRESCALER_DIV64 + * @arg @ref LL_USART_PRESCALER_DIV128 + * @arg @ref LL_USART_PRESCALER_DIV256 + * @retval None + */ +__STATIC_INLINE void LL_USART_SetPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue) +{ + MODIFY_REG(USARTx->PRESC, USART_PRESC_PRESCALER, (uint16_t)PrescalerValue); +} + +/** + * @brief Retrieve the Clock source prescaler for baudrate generator and oversampling + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll PRESC PRESCALER LL_USART_GetPrescaler + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_PRESCALER_DIV1 + * @arg @ref LL_USART_PRESCALER_DIV2 + * @arg @ref LL_USART_PRESCALER_DIV4 + * @arg @ref LL_USART_PRESCALER_DIV6 + * @arg @ref LL_USART_PRESCALER_DIV8 + * @arg @ref LL_USART_PRESCALER_DIV10 + * @arg @ref LL_USART_PRESCALER_DIV12 + * @arg @ref LL_USART_PRESCALER_DIV16 + * @arg @ref LL_USART_PRESCALER_DIV32 + * @arg @ref LL_USART_PRESCALER_DIV64 + * @arg @ref LL_USART_PRESCALER_DIV128 + * @arg @ref LL_USART_PRESCALER_DIV256 + */ +__STATIC_INLINE uint32_t LL_USART_GetPrescaler(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->PRESC, USART_PRESC_PRESCALER)); +} + +/** + * @brief Enable Clock output on SCLK pin + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @rmtoll CR2 CLKEN LL_USART_EnableSCLKOutput + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableSCLKOutput(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR2, USART_CR2_CLKEN); +} + +/** + * @brief Disable Clock output on SCLK pin + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @rmtoll CR2 CLKEN LL_USART_DisableSCLKOutput + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableSCLKOutput(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR2, USART_CR2_CLKEN); +} + +/** + * @brief Indicate if Clock output on SCLK pin is enabled + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @rmtoll CR2 CLKEN LL_USART_IsEnabledSCLKOutput + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledSCLKOutput(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR2, USART_CR2_CLKEN) == (USART_CR2_CLKEN)) ? 1UL : 0UL); +} + +/** + * @brief Set the length of the stop bits + * @rmtoll CR2 STOP LL_USART_SetStopBitsLength + * @param USARTx USART Instance + * @param StopBits This parameter can be one of the following values: + * @arg @ref LL_USART_STOPBITS_0_5 + * @arg @ref LL_USART_STOPBITS_1 + * @arg @ref LL_USART_STOPBITS_1_5 + * @arg @ref LL_USART_STOPBITS_2 + * @retval None + */ +__STATIC_INLINE void LL_USART_SetStopBitsLength(USART_TypeDef *USARTx, uint32_t StopBits) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits); +} + +/** + * @brief Retrieve the length of the stop bits + * @rmtoll CR2 STOP LL_USART_GetStopBitsLength + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_STOPBITS_0_5 + * @arg @ref LL_USART_STOPBITS_1 + * @arg @ref LL_USART_STOPBITS_1_5 + * @arg @ref LL_USART_STOPBITS_2 + */ +__STATIC_INLINE uint32_t LL_USART_GetStopBitsLength(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->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_USART_SetDataWidth() function + * - Parity Control and mode configuration using @ref LL_USART_SetParity() function + * - Stop bits configuration using @ref LL_USART_SetStopBitsLength() function + * @rmtoll CR1 PS LL_USART_ConfigCharacter\n + * CR1 PCE LL_USART_ConfigCharacter\n + * CR1 M0 LL_USART_ConfigCharacter\n + * CR1 M1 LL_USART_ConfigCharacter\n + * CR2 STOP LL_USART_ConfigCharacter + * @param USARTx USART Instance + * @param DataWidth This parameter can be one of the following values: + * @arg @ref LL_USART_DATAWIDTH_7B + * @arg @ref LL_USART_DATAWIDTH_8B + * @arg @ref LL_USART_DATAWIDTH_9B + * @param Parity This parameter can be one of the following values: + * @arg @ref LL_USART_PARITY_NONE + * @arg @ref LL_USART_PARITY_EVEN + * @arg @ref LL_USART_PARITY_ODD + * @param StopBits This parameter can be one of the following values: + * @arg @ref LL_USART_STOPBITS_0_5 + * @arg @ref LL_USART_STOPBITS_1 + * @arg @ref LL_USART_STOPBITS_1_5 + * @arg @ref LL_USART_STOPBITS_2 + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigCharacter(USART_TypeDef *USARTx, uint32_t DataWidth, uint32_t Parity, + uint32_t StopBits) +{ + MODIFY_REG(USARTx->CR1, USART_CR1_PS | USART_CR1_PCE | USART_CR1_M, Parity | DataWidth); + MODIFY_REG(USARTx->CR2, USART_CR2_STOP, StopBits); +} + +/** + * @brief Configure TX/RX pins swapping setting. + * @rmtoll CR2 SWAP LL_USART_SetTXRXSwap + * @param USARTx USART Instance + * @param SwapConfig This parameter can be one of the following values: + * @arg @ref LL_USART_TXRX_STANDARD + * @arg @ref LL_USART_TXRX_SWAPPED + * @retval None + */ +__STATIC_INLINE void LL_USART_SetTXRXSwap(USART_TypeDef *USARTx, uint32_t SwapConfig) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_SWAP, SwapConfig); +} + +/** + * @brief Retrieve TX/RX pins swapping configuration. + * @rmtoll CR2 SWAP LL_USART_GetTXRXSwap + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_TXRX_STANDARD + * @arg @ref LL_USART_TXRX_SWAPPED + */ +__STATIC_INLINE uint32_t LL_USART_GetTXRXSwap(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_SWAP)); +} + +/** + * @brief Configure RX pin active level logic + * @rmtoll CR2 RXINV LL_USART_SetRXPinLevel + * @param USARTx USART Instance + * @param PinInvMethod This parameter can be one of the following values: + * @arg @ref LL_USART_RXPIN_LEVEL_STANDARD + * @arg @ref LL_USART_RXPIN_LEVEL_INVERTED + * @retval None + */ +__STATIC_INLINE void LL_USART_SetRXPinLevel(USART_TypeDef *USARTx, uint32_t PinInvMethod) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_RXINV, PinInvMethod); +} + +/** + * @brief Retrieve RX pin active level logic configuration + * @rmtoll CR2 RXINV LL_USART_GetRXPinLevel + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_RXPIN_LEVEL_STANDARD + * @arg @ref LL_USART_RXPIN_LEVEL_INVERTED + */ +__STATIC_INLINE uint32_t LL_USART_GetRXPinLevel(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_RXINV)); +} + +/** + * @brief Configure TX pin active level logic + * @rmtoll CR2 TXINV LL_USART_SetTXPinLevel + * @param USARTx USART Instance + * @param PinInvMethod This parameter can be one of the following values: + * @arg @ref LL_USART_TXPIN_LEVEL_STANDARD + * @arg @ref LL_USART_TXPIN_LEVEL_INVERTED + * @retval None + */ +__STATIC_INLINE void LL_USART_SetTXPinLevel(USART_TypeDef *USARTx, uint32_t PinInvMethod) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_TXINV, PinInvMethod); +} + +/** + * @brief Retrieve TX pin active level logic configuration + * @rmtoll CR2 TXINV LL_USART_GetTXPinLevel + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_TXPIN_LEVEL_STANDARD + * @arg @ref LL_USART_TXPIN_LEVEL_INVERTED + */ +__STATIC_INLINE uint32_t LL_USART_GetTXPinLevel(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->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_USART_SetBinaryDataLogic + * @param USARTx USART Instance + * @param DataLogic This parameter can be one of the following values: + * @arg @ref LL_USART_BINARY_LOGIC_POSITIVE + * @arg @ref LL_USART_BINARY_LOGIC_NEGATIVE + * @retval None + */ +__STATIC_INLINE void LL_USART_SetBinaryDataLogic(USART_TypeDef *USARTx, uint32_t DataLogic) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_DATAINV, DataLogic); +} + +/** + * @brief Retrieve Binary data configuration + * @rmtoll CR2 DATAINV LL_USART_GetBinaryDataLogic + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_BINARY_LOGIC_POSITIVE + * @arg @ref LL_USART_BINARY_LOGIC_NEGATIVE + */ +__STATIC_INLINE uint32_t LL_USART_GetBinaryDataLogic(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->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_USART_SetTransferBitOrder + * @param USARTx USART Instance + * @param BitOrder This parameter can be one of the following values: + * @arg @ref LL_USART_BITORDER_LSBFIRST + * @arg @ref LL_USART_BITORDER_MSBFIRST + * @retval None + */ +__STATIC_INLINE void LL_USART_SetTransferBitOrder(USART_TypeDef *USARTx, uint32_t BitOrder) +{ + MODIFY_REG(USARTx->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_USART_GetTransferBitOrder + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_BITORDER_LSBFIRST + * @arg @ref LL_USART_BITORDER_MSBFIRST + */ +__STATIC_INLINE uint32_t LL_USART_GetTransferBitOrder(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_MSBFIRST)); +} + +/** + * @brief Enable Auto Baud-Rate Detection + * @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not + * Auto Baud Rate detection feature is supported by the USARTx instance. + * @rmtoll CR2 ABREN LL_USART_EnableAutoBaudRate + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableAutoBaudRate(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR2, USART_CR2_ABREN); +} + +/** + * @brief Disable Auto Baud-Rate Detection + * @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not + * Auto Baud Rate detection feature is supported by the USARTx instance. + * @rmtoll CR2 ABREN LL_USART_DisableAutoBaudRate + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableAutoBaudRate(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR2, USART_CR2_ABREN); +} + +/** + * @brief Indicate if Auto Baud-Rate Detection mechanism is enabled + * @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not + * Auto Baud Rate detection feature is supported by the USARTx instance. + * @rmtoll CR2 ABREN LL_USART_IsEnabledAutoBaud + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledAutoBaud(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR2, USART_CR2_ABREN) == (USART_CR2_ABREN)) ? 1UL : 0UL); +} + +/** + * @brief Set Auto Baud-Rate mode bits + * @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not + * Auto Baud Rate detection feature is supported by the USARTx instance. + * @rmtoll CR2 ABRMODE LL_USART_SetAutoBaudRateMode + * @param USARTx USART Instance + * @param AutoBaudRateMode This parameter can be one of the following values: + * @arg @ref LL_USART_AUTOBAUD_DETECT_ON_STARTBIT + * @arg @ref LL_USART_AUTOBAUD_DETECT_ON_FALLINGEDGE + * @arg @ref LL_USART_AUTOBAUD_DETECT_ON_7F_FRAME + * @arg @ref LL_USART_AUTOBAUD_DETECT_ON_55_FRAME + * @retval None + */ +__STATIC_INLINE void LL_USART_SetAutoBaudRateMode(USART_TypeDef *USARTx, uint32_t AutoBaudRateMode) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_ABRMODE, AutoBaudRateMode); +} + +/** + * @brief Return Auto Baud-Rate mode + * @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not + * Auto Baud Rate detection feature is supported by the USARTx instance. + * @rmtoll CR2 ABRMODE LL_USART_GetAutoBaudRateMode + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_AUTOBAUD_DETECT_ON_STARTBIT + * @arg @ref LL_USART_AUTOBAUD_DETECT_ON_FALLINGEDGE + * @arg @ref LL_USART_AUTOBAUD_DETECT_ON_7F_FRAME + * @arg @ref LL_USART_AUTOBAUD_DETECT_ON_55_FRAME + */ +__STATIC_INLINE uint32_t LL_USART_GetAutoBaudRateMode(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ABRMODE)); +} + +/** + * @brief Enable Receiver Timeout + * @rmtoll CR2 RTOEN LL_USART_EnableRxTimeout + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableRxTimeout(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR2, USART_CR2_RTOEN); +} + +/** + * @brief Disable Receiver Timeout + * @rmtoll CR2 RTOEN LL_USART_DisableRxTimeout + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableRxTimeout(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR2, USART_CR2_RTOEN); +} + +/** + * @brief Indicate if Receiver Timeout feature is enabled + * @rmtoll CR2 RTOEN LL_USART_IsEnabledRxTimeout + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledRxTimeout(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR2, USART_CR2_RTOEN) == (USART_CR2_RTOEN)) ? 1UL : 0UL); +} + +/** + * @brief Set Address of the USART 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_USART_ConfigNodeAddress\n + * CR2 ADDM7 LL_USART_ConfigNodeAddress + * @param USARTx USART Instance + * @param AddressLen This parameter can be one of the following values: + * @arg @ref LL_USART_ADDRESS_DETECT_4B + * @arg @ref LL_USART_ADDRESS_DETECT_7B + * @param NodeAddress 4 or 7 bit Address of the USART node. + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigNodeAddress(USART_TypeDef *USARTx, uint32_t AddressLen, uint32_t NodeAddress) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_ADD | USART_CR2_ADDM7, + (uint32_t)(AddressLen | (NodeAddress << USART_CR2_ADD_Pos))); +} + +/** + * @brief Return 8 bit Address of the USART 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_USART_GetNodeAddress + * @param USARTx USART Instance + * @retval Address of the USART node (Value between Min_Data=0 and Max_Data=255) + */ +__STATIC_INLINE uint32_t LL_USART_GetNodeAddress(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->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_USART_GetNodeAddressLen + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_ADDRESS_DETECT_4B + * @arg @ref LL_USART_ADDRESS_DETECT_7B + */ +__STATIC_INLINE uint32_t LL_USART_GetNodeAddressLen(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_ADDM7)); +} + +/** + * @brief Enable RTS HW Flow Control + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll CR3 RTSE LL_USART_EnableRTSHWFlowCtrl + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableRTSHWFlowCtrl(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_RTSE); +} + +/** + * @brief Disable RTS HW Flow Control + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll CR3 RTSE LL_USART_DisableRTSHWFlowCtrl + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableRTSHWFlowCtrl(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_RTSE); +} + +/** + * @brief Enable CTS HW Flow Control + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll CR3 CTSE LL_USART_EnableCTSHWFlowCtrl + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableCTSHWFlowCtrl(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_CTSE); +} + +/** + * @brief Disable CTS HW Flow Control + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll CR3 CTSE LL_USART_DisableCTSHWFlowCtrl + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableCTSHWFlowCtrl(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_CTSE); +} + +/** + * @brief Configure HW Flow Control mode (both CTS and RTS) + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll CR3 RTSE LL_USART_SetHWFlowCtrl\n + * CR3 CTSE LL_USART_SetHWFlowCtrl + * @param USARTx USART Instance + * @param HardwareFlowControl This parameter can be one of the following values: + * @arg @ref LL_USART_HWCONTROL_NONE + * @arg @ref LL_USART_HWCONTROL_RTS + * @arg @ref LL_USART_HWCONTROL_CTS + * @arg @ref LL_USART_HWCONTROL_RTS_CTS + * @retval None + */ +__STATIC_INLINE void LL_USART_SetHWFlowCtrl(USART_TypeDef *USARTx, uint32_t HardwareFlowControl) +{ + MODIFY_REG(USARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE, HardwareFlowControl); +} + +/** + * @brief Return HW Flow Control configuration (both CTS and RTS) + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll CR3 RTSE LL_USART_GetHWFlowCtrl\n + * CR3 CTSE LL_USART_GetHWFlowCtrl + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_HWCONTROL_NONE + * @arg @ref LL_USART_HWCONTROL_RTS + * @arg @ref LL_USART_HWCONTROL_CTS + * @arg @ref LL_USART_HWCONTROL_RTS_CTS + */ +__STATIC_INLINE uint32_t LL_USART_GetHWFlowCtrl(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_RTSE | USART_CR3_CTSE)); +} + +/** + * @brief Enable One bit sampling method + * @rmtoll CR3 ONEBIT LL_USART_EnableOneBitSamp + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableOneBitSamp(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_ONEBIT); +} + +/** + * @brief Disable One bit sampling method + * @rmtoll CR3 ONEBIT LL_USART_DisableOneBitSamp + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableOneBitSamp(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_ONEBIT); +} + +/** + * @brief Indicate if One bit sampling method is enabled + * @rmtoll CR3 ONEBIT LL_USART_IsEnabledOneBitSamp + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledOneBitSamp(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_ONEBIT) == (USART_CR3_ONEBIT)) ? 1UL : 0UL); +} + +/** + * @brief Enable Overrun detection + * @rmtoll CR3 OVRDIS LL_USART_EnableOverrunDetect + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableOverrunDetect(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_OVRDIS); +} + +/** + * @brief Disable Overrun detection + * @rmtoll CR3 OVRDIS LL_USART_DisableOverrunDetect + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableOverrunDetect(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_OVRDIS); +} + +/** + * @brief Indicate if Overrun detection is enabled + * @rmtoll CR3 OVRDIS LL_USART_IsEnabledOverrunDetect + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledOverrunDetect(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_OVRDIS) != USART_CR3_OVRDIS) ? 1UL : 0UL); +} + +/** + * @brief Select event type for Wake UP Interrupt Flag (WUS[1:0] bits) + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll CR3 WUS LL_USART_SetWKUPType + * @param USARTx USART Instance + * @param Type This parameter can be one of the following values: + * @arg @ref LL_USART_WAKEUP_ON_ADDRESS + * @arg @ref LL_USART_WAKEUP_ON_STARTBIT + * @arg @ref LL_USART_WAKEUP_ON_RXNE + * @retval None + */ +__STATIC_INLINE void LL_USART_SetWKUPType(USART_TypeDef *USARTx, uint32_t Type) +{ + MODIFY_REG(USARTx->CR3, USART_CR3_WUS, Type); +} + +/** + * @brief Return event type for Wake UP Interrupt Flag (WUS[1:0] bits) + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll CR3 WUS LL_USART_GetWKUPType + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_WAKEUP_ON_ADDRESS + * @arg @ref LL_USART_WAKEUP_ON_STARTBIT + * @arg @ref LL_USART_WAKEUP_ON_RXNE + */ +__STATIC_INLINE uint32_t LL_USART_GetWKUPType(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_WUS)); +} + +/** + * @brief Configure USART BRR register for achieving expected Baud Rate value. + * @note Compute and set USARTDIV value in BRR Register (full BRR content) + * according to used Peripheral Clock, Oversampling mode, and expected Baud Rate values + * @note Peripheral clock and Baud rate values provided as function parameters should be valid + * (Baud rate value != 0) + * @note In case of oversampling by 16 and 8, BRR content must be greater than or equal to 16d. + * @rmtoll BRR BRR LL_USART_SetBaudRate + * @param USARTx USART Instance + * @param PeriphClk Peripheral Clock + * @param PrescalerValue This parameter can be one of the following values: + * @arg @ref LL_USART_PRESCALER_DIV1 + * @arg @ref LL_USART_PRESCALER_DIV2 + * @arg @ref LL_USART_PRESCALER_DIV4 + * @arg @ref LL_USART_PRESCALER_DIV6 + * @arg @ref LL_USART_PRESCALER_DIV8 + * @arg @ref LL_USART_PRESCALER_DIV10 + * @arg @ref LL_USART_PRESCALER_DIV12 + * @arg @ref LL_USART_PRESCALER_DIV16 + * @arg @ref LL_USART_PRESCALER_DIV32 + * @arg @ref LL_USART_PRESCALER_DIV64 + * @arg @ref LL_USART_PRESCALER_DIV128 + * @arg @ref LL_USART_PRESCALER_DIV256 + * @param OverSampling This parameter can be one of the following values: + * @arg @ref LL_USART_OVERSAMPLING_16 + * @arg @ref LL_USART_OVERSAMPLING_8 + * @param BaudRate Baud Rate + * @retval None + */ +__STATIC_INLINE void LL_USART_SetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t PrescalerValue, + uint32_t OverSampling, + uint32_t BaudRate) +{ + uint32_t usartdiv; + register uint32_t brrtemp; + + if (PrescalerValue > LL_USART_PRESCALER_DIV256) + { + /* Do not overstep the size of USART_PRESCALER_TAB */ + } + else if (OverSampling == LL_USART_OVERSAMPLING_8) + { + usartdiv = (uint16_t)(__LL_USART_DIV_SAMPLING8(PeriphClk, (uint8_t)PrescalerValue, BaudRate)); + brrtemp = usartdiv & 0xFFF0U; + brrtemp |= (uint16_t)((usartdiv & (uint16_t)0x000FU) >> 1U); + USARTx->BRR = brrtemp; + } + else + { + USARTx->BRR = (uint16_t)(__LL_USART_DIV_SAMPLING16(PeriphClk, (uint8_t)PrescalerValue, BaudRate)); + } +} + +/** + * @brief Return current Baud Rate value, according to USARTDIV present in BRR register + * (full BRR content), and to used Peripheral Clock and Oversampling mode values + * @note In case of non-initialized or invalid value stored in BRR register, value 0 will be returned. + * @note In case of oversampling by 16 and 8, BRR content must be greater than or equal to 16d. + * @rmtoll BRR BRR LL_USART_GetBaudRate + * @param USARTx USART Instance + * @param PeriphClk Peripheral Clock + * @param PrescalerValue This parameter can be one of the following values: + * @arg @ref LL_USART_PRESCALER_DIV1 + * @arg @ref LL_USART_PRESCALER_DIV2 + * @arg @ref LL_USART_PRESCALER_DIV4 + * @arg @ref LL_USART_PRESCALER_DIV6 + * @arg @ref LL_USART_PRESCALER_DIV8 + * @arg @ref LL_USART_PRESCALER_DIV10 + * @arg @ref LL_USART_PRESCALER_DIV12 + * @arg @ref LL_USART_PRESCALER_DIV16 + * @arg @ref LL_USART_PRESCALER_DIV32 + * @arg @ref LL_USART_PRESCALER_DIV64 + * @arg @ref LL_USART_PRESCALER_DIV128 + * @arg @ref LL_USART_PRESCALER_DIV256 + * @param OverSampling This parameter can be one of the following values: + * @arg @ref LL_USART_OVERSAMPLING_16 + * @arg @ref LL_USART_OVERSAMPLING_8 + * @retval Baud Rate + */ +__STATIC_INLINE uint32_t LL_USART_GetBaudRate(USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t PrescalerValue, + uint32_t OverSampling) +{ + register uint32_t usartdiv; + register uint32_t brrresult = 0x0U; + register uint32_t periphclkpresc = (uint32_t)(PeriphClk / (USART_PRESCALER_TAB[(uint8_t)PrescalerValue])); + + usartdiv = USARTx->BRR; + + if (usartdiv == 0U) + { + /* Do not perform a division by 0 */ + } + else if (OverSampling == LL_USART_OVERSAMPLING_8) + { + usartdiv = (uint16_t)((usartdiv & 0xFFF0U) | ((usartdiv & 0x0007U) << 1U)) ; + if (usartdiv != 0U) + { + brrresult = (periphclkpresc * 2U) / usartdiv; + } + } + else + { + if ((usartdiv & 0xFFFFU) != 0U) + { + brrresult = periphclkpresc / usartdiv; + } + } + return (brrresult); +} + +/** + * @brief Set Receiver Time Out Value (expressed in nb of bits duration) + * @rmtoll RTOR RTO LL_USART_SetRxTimeout + * @param USARTx USART Instance + * @param Timeout Value between Min_Data=0x00 and Max_Data=0x00FFFFFF + * @retval None + */ +__STATIC_INLINE void LL_USART_SetRxTimeout(USART_TypeDef *USARTx, uint32_t Timeout) +{ + MODIFY_REG(USARTx->RTOR, USART_RTOR_RTO, Timeout); +} + +/** + * @brief Get Receiver Time Out Value (expressed in nb of bits duration) + * @rmtoll RTOR RTO LL_USART_GetRxTimeout + * @param USARTx USART Instance + * @retval Value between Min_Data=0x00 and Max_Data=0x00FFFFFF + */ +__STATIC_INLINE uint32_t LL_USART_GetRxTimeout(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->RTOR, USART_RTOR_RTO)); +} + +/** + * @brief Set Block Length value in reception + * @rmtoll RTOR BLEN LL_USART_SetBlockLength + * @param USARTx USART Instance + * @param BlockLength Value between Min_Data=0x00 and Max_Data=0xFF + * @retval None + */ +__STATIC_INLINE void LL_USART_SetBlockLength(USART_TypeDef *USARTx, uint32_t BlockLength) +{ + MODIFY_REG(USARTx->RTOR, USART_RTOR_BLEN, BlockLength << USART_RTOR_BLEN_Pos); +} + +/** + * @brief Get Block Length value in reception + * @rmtoll RTOR BLEN LL_USART_GetBlockLength + * @param USARTx USART Instance + * @retval Value between Min_Data=0x00 and Max_Data=0xFF + */ +__STATIC_INLINE uint32_t LL_USART_GetBlockLength(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->RTOR, USART_RTOR_BLEN) >> USART_RTOR_BLEN_Pos); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_Configuration_IRDA Configuration functions related to Irda feature + * @{ + */ + +/** + * @brief Enable IrDA mode + * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not + * IrDA feature is supported by the USARTx instance. + * @rmtoll CR3 IREN LL_USART_EnableIrda + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIrda(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_IREN); +} + +/** + * @brief Disable IrDA mode + * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not + * IrDA feature is supported by the USARTx instance. + * @rmtoll CR3 IREN LL_USART_DisableIrda + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIrda(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_IREN); +} + +/** + * @brief Indicate if IrDA mode is enabled + * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not + * IrDA feature is supported by the USARTx instance. + * @rmtoll CR3 IREN LL_USART_IsEnabledIrda + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIrda(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_IREN) == (USART_CR3_IREN)) ? 1UL : 0UL); +} + +/** + * @brief Configure IrDA Power Mode (Normal or Low Power) + * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not + * IrDA feature is supported by the USARTx instance. + * @rmtoll CR3 IRLP LL_USART_SetIrdaPowerMode + * @param USARTx USART Instance + * @param PowerMode This parameter can be one of the following values: + * @arg @ref LL_USART_IRDA_POWER_NORMAL + * @arg @ref LL_USART_IRDA_POWER_LOW + * @retval None + */ +__STATIC_INLINE void LL_USART_SetIrdaPowerMode(USART_TypeDef *USARTx, uint32_t PowerMode) +{ + MODIFY_REG(USARTx->CR3, USART_CR3_IRLP, PowerMode); +} + +/** + * @brief Retrieve IrDA Power Mode configuration (Normal or Low Power) + * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not + * IrDA feature is supported by the USARTx instance. + * @rmtoll CR3 IRLP LL_USART_GetIrdaPowerMode + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_IRDA_POWER_NORMAL + * @arg @ref LL_USART_PHASE_2EDGE + */ +__STATIC_INLINE uint32_t LL_USART_GetIrdaPowerMode(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_IRLP)); +} + +/** + * @brief Set Irda prescaler value, used for dividing the USART clock source + * to achieve the Irda Low Power frequency (8 bits value) + * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not + * IrDA feature is supported by the USARTx instance. + * @rmtoll GTPR PSC LL_USART_SetIrdaPrescaler + * @param USARTx USART Instance + * @param PrescalerValue Value between Min_Data=0x00 and Max_Data=0xFF + * @retval None + */ +__STATIC_INLINE void LL_USART_SetIrdaPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue) +{ + MODIFY_REG(USARTx->GTPR, (uint16_t)USART_GTPR_PSC, (uint16_t)PrescalerValue); +} + +/** + * @brief Return Irda prescaler value, used for dividing the USART clock source + * to achieve the Irda Low Power frequency (8 bits value) + * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not + * IrDA feature is supported by the USARTx instance. + * @rmtoll GTPR PSC LL_USART_GetIrdaPrescaler + * @param USARTx USART Instance + * @retval Irda prescaler value (Value between Min_Data=0x00 and Max_Data=0xFF) + */ +__STATIC_INLINE uint32_t LL_USART_GetIrdaPrescaler(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC)); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_Configuration_Smartcard Configuration functions related to Smartcard feature + * @{ + */ + +/** + * @brief Enable Smartcard NACK transmission + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 NACK LL_USART_EnableSmartcardNACK + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableSmartcardNACK(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_NACK); +} + +/** + * @brief Disable Smartcard NACK transmission + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 NACK LL_USART_DisableSmartcardNACK + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableSmartcardNACK(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_NACK); +} + +/** + * @brief Indicate if Smartcard NACK transmission is enabled + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 NACK LL_USART_IsEnabledSmartcardNACK + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcardNACK(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_NACK) == (USART_CR3_NACK)) ? 1UL : 0UL); +} + +/** + * @brief Enable Smartcard mode + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 SCEN LL_USART_EnableSmartcard + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableSmartcard(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_SCEN); +} + +/** + * @brief Disable Smartcard mode + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 SCEN LL_USART_DisableSmartcard + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableSmartcard(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_SCEN); +} + +/** + * @brief Indicate if Smartcard mode is enabled + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 SCEN LL_USART_IsEnabledSmartcard + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledSmartcard(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_SCEN) == (USART_CR3_SCEN)) ? 1UL : 0UL); +} + +/** + * @brief Set Smartcard Auto-Retry Count value (SCARCNT[2:0] bits) + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @note This bit-field specifies the number of retries in transmit and receive, in Smartcard mode. + * In transmission mode, it specifies the number of automatic retransmission retries, before + * generating a transmission error (FE bit set). + * In reception mode, it specifies the number or erroneous reception trials, before generating a + * reception error (RXNE and PE bits set) + * @rmtoll CR3 SCARCNT LL_USART_SetSmartcardAutoRetryCount + * @param USARTx USART Instance + * @param AutoRetryCount Value between Min_Data=0 and Max_Data=7 + * @retval None + */ +__STATIC_INLINE void LL_USART_SetSmartcardAutoRetryCount(USART_TypeDef *USARTx, uint32_t AutoRetryCount) +{ + MODIFY_REG(USARTx->CR3, USART_CR3_SCARCNT, AutoRetryCount << USART_CR3_SCARCNT_Pos); +} + +/** + * @brief Return Smartcard Auto-Retry Count value (SCARCNT[2:0] bits) + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 SCARCNT LL_USART_GetSmartcardAutoRetryCount + * @param USARTx USART Instance + * @retval Smartcard Auto-Retry Count value (Value between Min_Data=0 and Max_Data=7) + */ +__STATIC_INLINE uint32_t LL_USART_GetSmartcardAutoRetryCount(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_SCARCNT) >> USART_CR3_SCARCNT_Pos); +} + +/** + * @brief Set Smartcard prescaler value, used for dividing the USART clock + * source to provide the SMARTCARD Clock (5 bits value) + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll GTPR PSC LL_USART_SetSmartcardPrescaler + * @param USARTx USART Instance + * @param PrescalerValue Value between Min_Data=0 and Max_Data=31 + * @retval None + */ +__STATIC_INLINE void LL_USART_SetSmartcardPrescaler(USART_TypeDef *USARTx, uint32_t PrescalerValue) +{ + MODIFY_REG(USARTx->GTPR, (uint16_t)USART_GTPR_PSC, (uint16_t)PrescalerValue); +} + +/** + * @brief Return Smartcard prescaler value, used for dividing the USART clock + * source to provide the SMARTCARD Clock (5 bits value) + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll GTPR PSC LL_USART_GetSmartcardPrescaler + * @param USARTx USART Instance + * @retval Smartcard prescaler value (Value between Min_Data=0 and Max_Data=31) + */ +__STATIC_INLINE uint32_t LL_USART_GetSmartcardPrescaler(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_PSC)); +} + +/** + * @brief Set Smartcard Guard time value, expressed in nb of baud clocks periods + * (GT[7:0] bits : Guard time value) + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll GTPR GT LL_USART_SetSmartcardGuardTime + * @param USARTx USART Instance + * @param GuardTime Value between Min_Data=0x00 and Max_Data=0xFF + * @retval None + */ +__STATIC_INLINE void LL_USART_SetSmartcardGuardTime(USART_TypeDef *USARTx, uint32_t GuardTime) +{ + MODIFY_REG(USARTx->GTPR, (uint16_t)USART_GTPR_GT, (uint16_t)(GuardTime << USART_GTPR_GT_Pos)); +} + +/** + * @brief Return Smartcard Guard time value, expressed in nb of baud clocks periods + * (GT[7:0] bits : Guard time value) + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll GTPR GT LL_USART_GetSmartcardGuardTime + * @param USARTx USART Instance + * @retval Smartcard Guard time value (Value between Min_Data=0x00 and Max_Data=0xFF) + */ +__STATIC_INLINE uint32_t LL_USART_GetSmartcardGuardTime(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->GTPR, USART_GTPR_GT) >> USART_GTPR_GT_Pos); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_Configuration_HalfDuplex Configuration functions related to Half Duplex feature + * @{ + */ + +/** + * @brief Enable Single Wire Half-Duplex mode + * @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not + * Half-Duplex mode is supported by the USARTx instance. + * @rmtoll CR3 HDSEL LL_USART_EnableHalfDuplex + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableHalfDuplex(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_HDSEL); +} + +/** + * @brief Disable Single Wire Half-Duplex mode + * @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not + * Half-Duplex mode is supported by the USARTx instance. + * @rmtoll CR3 HDSEL LL_USART_DisableHalfDuplex + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableHalfDuplex(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_HDSEL); +} + +/** + * @brief Indicate if Single Wire Half-Duplex mode is enabled + * @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not + * Half-Duplex mode is supported by the USARTx instance. + * @rmtoll CR3 HDSEL LL_USART_IsEnabledHalfDuplex + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledHalfDuplex(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_HDSEL) == (USART_CR3_HDSEL)) ? 1UL : 0UL); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_Configuration_SPI_SLAVE Configuration functions related to SPI Slave feature + * @{ + */ +/** + * @brief Enable SPI Synchronous Slave mode + * @note Macro @ref IS_UART_SPI_SLAVE_INSTANCE(USARTx) can be used to check whether or not + * SPI Slave mode feature is supported by the USARTx instance. + * @rmtoll CR2 SLVEN LL_USART_EnableSPISlave + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableSPISlave(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR2, USART_CR2_SLVEN); +} + +/** + * @brief Disable SPI Synchronous Slave mode + * @note Macro @ref IS_UART_SPI_SLAVE_INSTANCE(USARTx) can be used to check whether or not + * SPI Slave mode feature is supported by the USARTx instance. + * @rmtoll CR2 SLVEN LL_USART_DisableSPISlave + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableSPISlave(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR2, USART_CR2_SLVEN); +} + +/** + * @brief Indicate if SPI Synchronous Slave mode is enabled + * @note Macro @ref IS_UART_SPI_SLAVE_INSTANCE(USARTx) can be used to check whether or not + * SPI Slave mode feature is supported by the USARTx instance. + * @rmtoll CR2 SLVEN LL_USART_IsEnabledSPISlave + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledSPISlave(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR2, USART_CR2_SLVEN) == (USART_CR2_SLVEN)) ? 1UL : 0UL); +} + +/** + * @brief Enable SPI Slave Selection using NSS input pin + * @note Macro @ref IS_UART_SPI_SLAVE_INSTANCE(USARTx) can be used to check whether or not + * SPI Slave mode feature is supported by the USARTx instance. + * @note SPI Slave Selection depends on NSS input pin + * (The slave is selected when NSS is low and deselected when NSS is high). + * @rmtoll CR2 DIS_NSS LL_USART_EnableSPISlaveSelect + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableSPISlaveSelect(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR2, USART_CR2_DIS_NSS); +} + +/** + * @brief Disable SPI Slave Selection using NSS input pin + * @note Macro @ref IS_UART_SPI_SLAVE_INSTANCE(USARTx) can be used to check whether or not + * SPI Slave mode feature is supported by the USARTx instance. + * @note SPI Slave will be always selected and NSS input pin will be ignored. + * @rmtoll CR2 DIS_NSS LL_USART_DisableSPISlaveSelect + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableSPISlaveSelect(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR2, USART_CR2_DIS_NSS); +} + +/** + * @brief Indicate if SPI Slave Selection depends on NSS input pin + * @note Macro @ref IS_UART_SPI_SLAVE_INSTANCE(USARTx) can be used to check whether or not + * SPI Slave mode feature is supported by the USARTx instance. + * @rmtoll CR2 DIS_NSS LL_USART_IsEnabledSPISlaveSelect + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledSPISlaveSelect(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR2, USART_CR2_DIS_NSS) != (USART_CR2_DIS_NSS)) ? 1UL : 0UL); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_Configuration_LIN Configuration functions related to LIN feature + * @{ + */ + +/** + * @brief Set LIN Break Detection Length + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll CR2 LBDL LL_USART_SetLINBrkDetectionLen + * @param USARTx USART Instance + * @param LINBDLength This parameter can be one of the following values: + * @arg @ref LL_USART_LINBREAK_DETECT_10B + * @arg @ref LL_USART_LINBREAK_DETECT_11B + * @retval None + */ +__STATIC_INLINE void LL_USART_SetLINBrkDetectionLen(USART_TypeDef *USARTx, uint32_t LINBDLength) +{ + MODIFY_REG(USARTx->CR2, USART_CR2_LBDL, LINBDLength); +} + +/** + * @brief Return LIN Break Detection Length + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll CR2 LBDL LL_USART_GetLINBrkDetectionLen + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_LINBREAK_DETECT_10B + * @arg @ref LL_USART_LINBREAK_DETECT_11B + */ +__STATIC_INLINE uint32_t LL_USART_GetLINBrkDetectionLen(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR2, USART_CR2_LBDL)); +} + +/** + * @brief Enable LIN mode + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll CR2 LINEN LL_USART_EnableLIN + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableLIN(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR2, USART_CR2_LINEN); +} + +/** + * @brief Disable LIN mode + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll CR2 LINEN LL_USART_DisableLIN + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableLIN(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR2, USART_CR2_LINEN); +} + +/** + * @brief Indicate if LIN mode is enabled + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll CR2 LINEN LL_USART_IsEnabledLIN + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledLIN(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR2, USART_CR2_LINEN) == (USART_CR2_LINEN)) ? 1UL : 0UL); +} + +/** + * @} + */ + +/** @defgroup USART_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). + * @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not + * Driver Enable feature is supported by the USARTx instance. + * @rmtoll CR1 DEDT LL_USART_SetDEDeassertionTime + * @param USARTx USART Instance + * @param Time Value between Min_Data=0 and Max_Data=31 + * @retval None + */ +__STATIC_INLINE void LL_USART_SetDEDeassertionTime(USART_TypeDef *USARTx, uint32_t Time) +{ + MODIFY_REG(USARTx->CR1, USART_CR1_DEDT, Time << USART_CR1_DEDT_Pos); +} + +/** + * @brief Return DEDT (Driver Enable De-Assertion Time) + * @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not + * Driver Enable feature is supported by the USARTx instance. + * @rmtoll CR1 DEDT LL_USART_GetDEDeassertionTime + * @param USARTx USART Instance + * @retval Time value expressed on 5 bits ([4:0] bits) : Value between Min_Data=0 and Max_Data=31 + */ +__STATIC_INLINE uint32_t LL_USART_GetDEDeassertionTime(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_DEDT) >> USART_CR1_DEDT_Pos); +} + +/** + * @brief Set DEAT (Driver Enable Assertion Time), Time value expressed on 5 bits ([4:0] bits). + * @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not + * Driver Enable feature is supported by the USARTx instance. + * @rmtoll CR1 DEAT LL_USART_SetDEAssertionTime + * @param USARTx USART Instance + * @param Time Value between Min_Data=0 and Max_Data=31 + * @retval None + */ +__STATIC_INLINE void LL_USART_SetDEAssertionTime(USART_TypeDef *USARTx, uint32_t Time) +{ + MODIFY_REG(USARTx->CR1, USART_CR1_DEAT, Time << USART_CR1_DEAT_Pos); +} + +/** + * @brief Return DEAT (Driver Enable Assertion Time) + * @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not + * Driver Enable feature is supported by the USARTx instance. + * @rmtoll CR1 DEAT LL_USART_GetDEAssertionTime + * @param USARTx USART Instance + * @retval Time value expressed on 5 bits ([4:0] bits) : Value between Min_Data=0 and Max_Data=31 + */ +__STATIC_INLINE uint32_t LL_USART_GetDEAssertionTime(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR1, USART_CR1_DEAT) >> USART_CR1_DEAT_Pos); +} + +/** + * @brief Enable Driver Enable (DE) Mode + * @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not + * Driver Enable feature is supported by the USARTx instance. + * @rmtoll CR3 DEM LL_USART_EnableDEMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableDEMode(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_DEM); +} + +/** + * @brief Disable Driver Enable (DE) Mode + * @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not + * Driver Enable feature is supported by the USARTx instance. + * @rmtoll CR3 DEM LL_USART_DisableDEMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableDEMode(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_DEM); +} + +/** + * @brief Indicate if Driver Enable (DE) Mode is enabled + * @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not + * Driver Enable feature is supported by the USARTx instance. + * @rmtoll CR3 DEM LL_USART_IsEnabledDEMode + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledDEMode(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_DEM) == (USART_CR3_DEM)) ? 1UL : 0UL); +} + +/** + * @brief Select Driver Enable Polarity + * @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not + * Driver Enable feature is supported by the USARTx instance. + * @rmtoll CR3 DEP LL_USART_SetDESignalPolarity + * @param USARTx USART Instance + * @param Polarity This parameter can be one of the following values: + * @arg @ref LL_USART_DE_POLARITY_HIGH + * @arg @ref LL_USART_DE_POLARITY_LOW + * @retval None + */ +__STATIC_INLINE void LL_USART_SetDESignalPolarity(USART_TypeDef *USARTx, uint32_t Polarity) +{ + MODIFY_REG(USARTx->CR3, USART_CR3_DEP, Polarity); +} + +/** + * @brief Return Driver Enable Polarity + * @note Macro @ref IS_UART_DRIVER_ENABLE_INSTANCE(USARTx) can be used to check whether or not + * Driver Enable feature is supported by the USARTx instance. + * @rmtoll CR3 DEP LL_USART_GetDESignalPolarity + * @param USARTx USART Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_USART_DE_POLARITY_HIGH + * @arg @ref LL_USART_DE_POLARITY_LOW + */ +__STATIC_INLINE uint32_t LL_USART_GetDESignalPolarity(USART_TypeDef *USARTx) +{ + return (uint32_t)(READ_BIT(USARTx->CR3, USART_CR3_DEP)); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_AdvancedConfiguration Advanced Configurations services + * @{ + */ + +/** + * @brief Perform basic configuration of USART for enabling use in Asynchronous Mode (UART) + * @note In UART mode, the following bits must be kept cleared: + * - LINEN bit in the USART_CR2 register, + * - CLKEN bit in the USART_CR2 register, + * - SCEN bit in the USART_CR3 register, + * - IREN bit in the USART_CR3 register, + * - HDSEL bit in the USART_CR3 register. + * @note Call of this function is equivalent to following function call sequence : + * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function + * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function + * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function + * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function + * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function + * @note Other remaining configurations items related to Asynchronous Mode + * (as Baud Rate, Word length, Parity, ...) should be set using + * dedicated functions + * @rmtoll CR2 LINEN LL_USART_ConfigAsyncMode\n + * CR2 CLKEN LL_USART_ConfigAsyncMode\n + * CR3 SCEN LL_USART_ConfigAsyncMode\n + * CR3 IREN LL_USART_ConfigAsyncMode\n + * CR3 HDSEL LL_USART_ConfigAsyncMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigAsyncMode(USART_TypeDef *USARTx) +{ + /* In Asynchronous mode, the following bits must be kept cleared: + - LINEN, CLKEN bits in the USART_CR2 register, + - SCEN, IREN and HDSEL bits in the USART_CR3 register. + */ + CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN)); + CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN | USART_CR3_HDSEL)); +} + +/** + * @brief Perform basic configuration of USART for enabling use in Synchronous Mode + * @note In Synchronous mode, the following bits must be kept cleared: + * - LINEN bit in the USART_CR2 register, + * - SCEN bit in the USART_CR3 register, + * - IREN bit in the USART_CR3 register, + * - HDSEL bit in the USART_CR3 register. + * This function also sets the USART in Synchronous mode. + * @note Macro @ref IS_USART_INSTANCE(USARTx) can be used to check whether or not + * Synchronous mode is supported by the USARTx instance. + * @note Call of this function is equivalent to following function call sequence : + * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function + * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function + * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function + * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function + * - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function + * @note Other remaining configurations items related to Synchronous Mode + * (as Baud Rate, Word length, Parity, Clock Polarity, ...) should be set using + * dedicated functions + * @rmtoll CR2 LINEN LL_USART_ConfigSyncMode\n + * CR2 CLKEN LL_USART_ConfigSyncMode\n + * CR3 SCEN LL_USART_ConfigSyncMode\n + * CR3 IREN LL_USART_ConfigSyncMode\n + * CR3 HDSEL LL_USART_ConfigSyncMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigSyncMode(USART_TypeDef *USARTx) +{ + /* In Synchronous mode, the following bits must be kept cleared: + - LINEN bit in the USART_CR2 register, + - SCEN, IREN and HDSEL bits in the USART_CR3 register. + */ + CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN)); + CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN | USART_CR3_HDSEL)); + /* set the UART/USART in Synchronous mode */ + SET_BIT(USARTx->CR2, USART_CR2_CLKEN); +} + +/** + * @brief Perform basic configuration of USART for enabling use in LIN Mode + * @note In LIN mode, the following bits must be kept cleared: + * - STOP and CLKEN bits in the USART_CR2 register, + * - SCEN bit in the USART_CR3 register, + * - IREN bit in the USART_CR3 register, + * - HDSEL bit in the USART_CR3 register. + * This function also set the UART/USART in LIN mode. + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @note Call of this function is equivalent to following function call sequence : + * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function + * - Clear STOP in CR2 using @ref LL_USART_SetStopBitsLength() function + * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function + * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function + * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function + * - Set LINEN in CR2 using @ref LL_USART_EnableLIN() function + * @note Other remaining configurations items related to LIN Mode + * (as Baud Rate, Word length, LIN Break Detection Length, ...) should be set using + * dedicated functions + * @rmtoll CR2 CLKEN LL_USART_ConfigLINMode\n + * CR2 STOP LL_USART_ConfigLINMode\n + * CR2 LINEN LL_USART_ConfigLINMode\n + * CR3 IREN LL_USART_ConfigLINMode\n + * CR3 SCEN LL_USART_ConfigLINMode\n + * CR3 HDSEL LL_USART_ConfigLINMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigLINMode(USART_TypeDef *USARTx) +{ + /* In LIN mode, the following bits must be kept cleared: + - STOP and CLKEN bits in the USART_CR2 register, + - IREN, SCEN and HDSEL bits in the USART_CR3 register. + */ + CLEAR_BIT(USARTx->CR2, (USART_CR2_CLKEN | USART_CR2_STOP)); + CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_SCEN | USART_CR3_HDSEL)); + /* Set the UART/USART in LIN mode */ + SET_BIT(USARTx->CR2, USART_CR2_LINEN); +} + +/** + * @brief Perform basic configuration of USART for enabling use in Half Duplex Mode + * @note In Half Duplex mode, the following bits must be kept cleared: + * - LINEN bit in the USART_CR2 register, + * - CLKEN bit in the USART_CR2 register, + * - SCEN bit in the USART_CR3 register, + * - IREN bit in the USART_CR3 register, + * This function also sets the UART/USART in Half Duplex mode. + * @note Macro @ref IS_UART_HALFDUPLEX_INSTANCE(USARTx) can be used to check whether or not + * Half-Duplex mode is supported by the USARTx instance. + * @note Call of this function is equivalent to following function call sequence : + * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function + * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function + * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function + * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function + * - Set HDSEL in CR3 using @ref LL_USART_EnableHalfDuplex() function + * @note Other remaining configurations items related to Half Duplex Mode + * (as Baud Rate, Word length, Parity, ...) should be set using + * dedicated functions + * @rmtoll CR2 LINEN LL_USART_ConfigHalfDuplexMode\n + * CR2 CLKEN LL_USART_ConfigHalfDuplexMode\n + * CR3 HDSEL LL_USART_ConfigHalfDuplexMode\n + * CR3 SCEN LL_USART_ConfigHalfDuplexMode\n + * CR3 IREN LL_USART_ConfigHalfDuplexMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigHalfDuplexMode(USART_TypeDef *USARTx) +{ + /* In Half Duplex mode, the following bits must be kept cleared: + - LINEN and CLKEN bits in the USART_CR2 register, + - SCEN and IREN bits in the USART_CR3 register. + */ + CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN)); + CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_IREN)); + /* set the UART/USART in Half Duplex mode */ + SET_BIT(USARTx->CR3, USART_CR3_HDSEL); +} + +/** + * @brief Perform basic configuration of USART for enabling use in Smartcard Mode + * @note In Smartcard mode, the following bits must be kept cleared: + * - LINEN bit in the USART_CR2 register, + * - IREN bit in the USART_CR3 register, + * - HDSEL bit in the USART_CR3 register. + * This function also configures Stop bits to 1.5 bits and + * sets the USART in Smartcard mode (SCEN bit). + * Clock Output is also enabled (CLKEN). + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @note Call of this function is equivalent to following function call sequence : + * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function + * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function + * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function + * - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function + * - Set CLKEN in CR2 using @ref LL_USART_EnableSCLKOutput() function + * - Set SCEN in CR3 using @ref LL_USART_EnableSmartcard() function + * @note Other remaining configurations items related to Smartcard Mode + * (as Baud Rate, Word length, Parity, ...) should be set using + * dedicated functions + * @rmtoll CR2 LINEN LL_USART_ConfigSmartcardMode\n + * CR2 STOP LL_USART_ConfigSmartcardMode\n + * CR2 CLKEN LL_USART_ConfigSmartcardMode\n + * CR3 HDSEL LL_USART_ConfigSmartcardMode\n + * CR3 SCEN LL_USART_ConfigSmartcardMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigSmartcardMode(USART_TypeDef *USARTx) +{ + /* In Smartcard mode, the following bits must be kept cleared: + - LINEN bit in the USART_CR2 register, + - IREN and HDSEL bits in the USART_CR3 register. + */ + CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN)); + CLEAR_BIT(USARTx->CR3, (USART_CR3_IREN | USART_CR3_HDSEL)); + /* Configure Stop bits to 1.5 bits */ + /* Synchronous mode is activated by default */ + SET_BIT(USARTx->CR2, (USART_CR2_STOP_0 | USART_CR2_STOP_1 | USART_CR2_CLKEN)); + /* set the UART/USART in Smartcard mode */ + SET_BIT(USARTx->CR3, USART_CR3_SCEN); +} + +/** + * @brief Perform basic configuration of USART for enabling use in Irda Mode + * @note In IRDA mode, the following bits must be kept cleared: + * - LINEN bit in the USART_CR2 register, + * - STOP and CLKEN bits in the USART_CR2 register, + * - SCEN bit in the USART_CR3 register, + * - HDSEL bit in the USART_CR3 register. + * This function also sets the UART/USART in IRDA mode (IREN bit). + * @note Macro @ref IS_IRDA_INSTANCE(USARTx) can be used to check whether or not + * IrDA feature is supported by the USARTx instance. + * @note Call of this function is equivalent to following function call sequence : + * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function + * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function + * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function + * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function + * - Configure STOP in CR2 using @ref LL_USART_SetStopBitsLength() function + * - Set IREN in CR3 using @ref LL_USART_EnableIrda() function + * @note Other remaining configurations items related to Irda Mode + * (as Baud Rate, Word length, Power mode, ...) should be set using + * dedicated functions + * @rmtoll CR2 LINEN LL_USART_ConfigIrdaMode\n + * CR2 CLKEN LL_USART_ConfigIrdaMode\n + * CR2 STOP LL_USART_ConfigIrdaMode\n + * CR3 SCEN LL_USART_ConfigIrdaMode\n + * CR3 HDSEL LL_USART_ConfigIrdaMode\n + * CR3 IREN LL_USART_ConfigIrdaMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigIrdaMode(USART_TypeDef *USARTx) +{ + /* In IRDA mode, the following bits must be kept cleared: + - LINEN, STOP and CLKEN bits in the USART_CR2 register, + - SCEN and HDSEL bits in the USART_CR3 register. + */ + CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN | USART_CR2_STOP)); + CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL)); + /* set the UART/USART in IRDA mode */ + SET_BIT(USARTx->CR3, USART_CR3_IREN); +} + +/** + * @brief Perform basic configuration of USART for enabling use in Multi processor Mode + * (several USARTs connected in a network, one of the USARTs can be the master, + * its TX output connected to the RX inputs of the other slaves USARTs). + * @note In MultiProcessor mode, the following bits must be kept cleared: + * - LINEN bit in the USART_CR2 register, + * - CLKEN bit in the USART_CR2 register, + * - SCEN bit in the USART_CR3 register, + * - IREN bit in the USART_CR3 register, + * - HDSEL bit in the USART_CR3 register. + * @note Call of this function is equivalent to following function call sequence : + * - Clear LINEN in CR2 using @ref LL_USART_DisableLIN() function + * - Clear CLKEN in CR2 using @ref LL_USART_DisableSCLKOutput() function + * - Clear SCEN in CR3 using @ref LL_USART_DisableSmartcard() function + * - Clear IREN in CR3 using @ref LL_USART_DisableIrda() function + * - Clear HDSEL in CR3 using @ref LL_USART_DisableHalfDuplex() function + * @note Other remaining configurations items related to Multi processor Mode + * (as Baud Rate, Wake Up Method, Node address, ...) should be set using + * dedicated functions + * @rmtoll CR2 LINEN LL_USART_ConfigMultiProcessMode\n + * CR2 CLKEN LL_USART_ConfigMultiProcessMode\n + * CR3 SCEN LL_USART_ConfigMultiProcessMode\n + * CR3 HDSEL LL_USART_ConfigMultiProcessMode\n + * CR3 IREN LL_USART_ConfigMultiProcessMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ConfigMultiProcessMode(USART_TypeDef *USARTx) +{ + /* In Multi Processor mode, the following bits must be kept cleared: + - LINEN and CLKEN bits in the USART_CR2 register, + - IREN, SCEN and HDSEL bits in the USART_CR3 register. + */ + CLEAR_BIT(USARTx->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN)); + CLEAR_BIT(USARTx->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN)); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_FLAG_Management FLAG_Management + * @{ + */ + +/** + * @brief Check if the USART Parity Error Flag is set or not + * @rmtoll ISR PE LL_USART_IsActiveFlag_PE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_PE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_PE) == (USART_ISR_PE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Framing Error Flag is set or not + * @rmtoll ISR FE LL_USART_IsActiveFlag_FE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_FE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_FE) == (USART_ISR_FE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Noise error detected Flag is set or not + * @rmtoll ISR NE LL_USART_IsActiveFlag_NE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_NE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_NE) == (USART_ISR_NE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART OverRun Error Flag is set or not + * @rmtoll ISR ORE LL_USART_IsActiveFlag_ORE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ORE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_ORE) == (USART_ISR_ORE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART IDLE line detected Flag is set or not + * @rmtoll ISR IDLE LL_USART_IsActiveFlag_IDLE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_IDLE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_IDLE) == (USART_ISR_IDLE)) ? 1UL : 0UL); +} + +/* Legacy define */ +#define LL_USART_IsActiveFlag_RXNE LL_USART_IsActiveFlag_RXNE_RXFNE + +/** + * @brief Check if the USART Read Data Register or USART RX FIFO Not Empty Flag is set or not + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll ISR RXNE_RXFNE LL_USART_IsActiveFlag_RXNE_RXFNE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXNE_RXFNE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_RXNE_RXFNE) == (USART_ISR_RXNE_RXFNE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Transmission Complete Flag is set or not + * @rmtoll ISR TC LL_USART_IsActiveFlag_TC + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TC(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_TC) == (USART_ISR_TC)) ? 1UL : 0UL); +} + +/* Legacy define */ +#define LL_USART_IsActiveFlag_TXE LL_USART_IsActiveFlag_TXE_TXFNF + +/** + * @brief Check if the USART Transmit Data Register Empty or USART TX FIFO Not Full Flag is set or not + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll ISR TXE_TXFNF LL_USART_IsActiveFlag_TXE_TXFNF + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXE_TXFNF(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_TXE_TXFNF) == (USART_ISR_TXE_TXFNF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART LIN Break Detection Flag is set or not + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll ISR LBDF LL_USART_IsActiveFlag_LBD + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_LBD(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_LBDF) == (USART_ISR_LBDF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART CTS interrupt Flag is set or not + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll ISR CTSIF LL_USART_IsActiveFlag_nCTS + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_nCTS(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_CTSIF) == (USART_ISR_CTSIF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART CTS Flag is set or not + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll ISR CTS LL_USART_IsActiveFlag_CTS + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_CTS(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_CTS) == (USART_ISR_CTS)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Receiver Time Out Flag is set or not + * @rmtoll ISR RTOF LL_USART_IsActiveFlag_RTO + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RTO(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_RTOF) == (USART_ISR_RTOF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART End Of Block Flag is set or not + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll ISR EOBF LL_USART_IsActiveFlag_EOB + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_EOB(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_EOBF) == (USART_ISR_EOBF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the SPI Slave Underrun error flag is set or not + * @note Macro @ref IS_UART_SPI_SLAVE_INSTANCE(USARTx) can be used to check whether or not + * SPI Slave mode feature is supported by the USARTx instance. + * @rmtoll ISR UDR LL_USART_IsActiveFlag_UDR + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_UDR(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_UDR) == (USART_ISR_UDR)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Auto-Baud Rate Error Flag is set or not + * @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not + * Auto Baud Rate detection feature is supported by the USARTx instance. + * @rmtoll ISR ABRE LL_USART_IsActiveFlag_ABRE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ABRE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_ABRE) == (USART_ISR_ABRE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Auto-Baud Rate Flag is set or not + * @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not + * Auto Baud Rate detection feature is supported by the USARTx instance. + * @rmtoll ISR ABRF LL_USART_IsActiveFlag_ABR + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_ABR(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_ABRF) == (USART_ISR_ABRF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Busy Flag is set or not + * @rmtoll ISR BUSY LL_USART_IsActiveFlag_BUSY + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_BUSY(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_BUSY) == (USART_ISR_BUSY)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Character Match Flag is set or not + * @rmtoll ISR CMF LL_USART_IsActiveFlag_CM + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_CM(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_CMF) == (USART_ISR_CMF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Send Break Flag is set or not + * @rmtoll ISR SBKF LL_USART_IsActiveFlag_SBK + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_SBK(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_SBKF) == (USART_ISR_SBKF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Receive Wake Up from mute mode Flag is set or not + * @rmtoll ISR RWU LL_USART_IsActiveFlag_RWU + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RWU(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_RWU) == (USART_ISR_RWU)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Wake Up from stop mode Flag is set or not + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll ISR WUF LL_USART_IsActiveFlag_WKUP + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_WKUP(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_WUF) == (USART_ISR_WUF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Transmit Enable Acknowledge Flag is set or not + * @rmtoll ISR TEACK LL_USART_IsActiveFlag_TEACK + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TEACK(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_TEACK) == (USART_ISR_TEACK)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Receive Enable Acknowledge Flag is set or not + * @rmtoll ISR REACK LL_USART_IsActiveFlag_REACK + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_REACK(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_REACK) == (USART_ISR_REACK)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART TX FIFO Empty Flag is set or not + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll ISR TXFE LL_USART_IsActiveFlag_TXFE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXFE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_TXFE) == (USART_ISR_TXFE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART RX FIFO Full Flag is set or not + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll ISR RXFF LL_USART_IsActiveFlag_RXFF + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXFF(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_RXFF) == (USART_ISR_RXFF)) ? 1UL : 0UL); +} + +/** + * @brief Check if the Smartcard Transmission Complete Before Guard Time Flag is set or not + * @rmtoll ISR TCBGT LL_USART_IsActiveFlag_TCBGT + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TCBGT(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_TCBGT) == (USART_ISR_TCBGT)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART TX FIFO Threshold Flag is set or not + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll ISR TXFT LL_USART_IsActiveFlag_TXFT + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_TXFT(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_TXFT) == (USART_ISR_TXFT)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART RX FIFO Threshold Flag is set or not + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll ISR RXFT LL_USART_IsActiveFlag_RXFT + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsActiveFlag_RXFT(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->ISR, USART_ISR_RXFT) == (USART_ISR_RXFT)) ? 1UL : 0UL); +} + +/** + * @brief Clear Parity Error Flag + * @rmtoll ICR PECF LL_USART_ClearFlag_PE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_PE(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_PECF); +} + +/** + * @brief Clear Framing Error Flag + * @rmtoll ICR FECF LL_USART_ClearFlag_FE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_FE(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_FECF); +} + +/** + * @brief Clear Noise Error detected Flag + * @rmtoll ICR NECF LL_USART_ClearFlag_NE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_NE(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_NECF); +} + +/** + * @brief Clear OverRun Error Flag + * @rmtoll ICR ORECF LL_USART_ClearFlag_ORE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_ORE(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_ORECF); +} + +/** + * @brief Clear IDLE line detected Flag + * @rmtoll ICR IDLECF LL_USART_ClearFlag_IDLE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_IDLE(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_IDLECF); +} + +/** + * @brief Clear TX FIFO Empty Flag + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll ICR TXFECF LL_USART_ClearFlag_TXFE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_TXFE(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_TXFECF); +} + +/** + * @brief Clear Transmission Complete Flag + * @rmtoll ICR TCCF LL_USART_ClearFlag_TC + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_TC(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_TCCF); +} + +/** + * @brief Clear Smartcard Transmission Complete Before Guard Time Flag + * @rmtoll ICR TCBGTCF LL_USART_ClearFlag_TCBGT + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_TCBGT(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_TCBGTCF); +} + +/** + * @brief Clear LIN Break Detection Flag + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll ICR LBDCF LL_USART_ClearFlag_LBD + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_LBD(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_LBDCF); +} + +/** + * @brief Clear CTS Interrupt Flag + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll ICR CTSCF LL_USART_ClearFlag_nCTS + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_nCTS(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_CTSCF); +} + +/** + * @brief Clear Receiver Time Out Flag + * @rmtoll ICR RTOCF LL_USART_ClearFlag_RTO + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_RTO(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_RTOCF); +} + +/** + * @brief Clear End Of Block Flag + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll ICR EOBCF LL_USART_ClearFlag_EOB + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_EOB(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_EOBCF); +} + +/** + * @brief Clear SPI Slave Underrun Flag + * @note Macro @ref IS_UART_SPI_SLAVE_INSTANCE(USARTx) can be used to check whether or not + * SPI Slave mode feature is supported by the USARTx instance. + * @rmtoll ICR UDRCF LL_USART_ClearFlag_UDR + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_UDR(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_UDRCF); +} + +/** + * @brief Clear Character Match Flag + * @rmtoll ICR CMCF LL_USART_ClearFlag_CM + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_CM(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_CMCF); +} + +/** + * @brief Clear Wake Up from stop mode Flag + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll ICR WUCF LL_USART_ClearFlag_WKUP + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_ClearFlag_WKUP(USART_TypeDef *USARTx) +{ + WRITE_REG(USARTx->ICR, USART_ICR_WUCF); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_IT_Management IT_Management + * @{ + */ + +/** + * @brief Enable IDLE Interrupt + * @rmtoll CR1 IDLEIE LL_USART_EnableIT_IDLE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_IDLE(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_IDLEIE); +} + +/* Legacy define */ +#define LL_USART_EnableIT_RXNE LL_USART_EnableIT_RXNE_RXFNE + +/** + * @brief Enable RX Not Empty and RX FIFO Not Empty Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 RXNEIE_RXFNEIE LL_USART_EnableIT_RXNE_RXFNE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_RXNE_RXFNE(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_RXNEIE_RXFNEIE); +} + +/** + * @brief Enable Transmission Complete Interrupt + * @rmtoll CR1 TCIE LL_USART_EnableIT_TC + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_TC(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_TCIE); +} + +/* Legacy define */ +#define LL_USART_EnableIT_TXE LL_USART_EnableIT_TXE_TXFNF + +/** + * @brief Enable TX Empty and TX FIFO Not Full Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 TXEIE_TXFNFIE LL_USART_EnableIT_TXE_TXFNF + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_TXE_TXFNF(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_TXEIE_TXFNFIE); +} + +/** + * @brief Enable Parity Error Interrupt + * @rmtoll CR1 PEIE LL_USART_EnableIT_PE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_PE(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_PEIE); +} + +/** + * @brief Enable Character Match Interrupt + * @rmtoll CR1 CMIE LL_USART_EnableIT_CM + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_CM(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_CMIE); +} + +/** + * @brief Enable Receiver Timeout Interrupt + * @rmtoll CR1 RTOIE LL_USART_EnableIT_RTO + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_RTO(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_RTOIE); +} + +/** + * @brief Enable End Of Block Interrupt + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR1 EOBIE LL_USART_EnableIT_EOB + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_EOB(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_EOBIE); +} + +/** + * @brief Enable TX FIFO Empty Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 TXFEIE LL_USART_EnableIT_TXFE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_TXFE(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_TXFEIE); +} + +/** + * @brief Enable RX FIFO Full Interrupt + * @rmtoll CR1 RXFFIE LL_USART_EnableIT_RXFF + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_RXFF(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR1, USART_CR1_RXFFIE); +} + +/** + * @brief Enable LIN Break Detection Interrupt + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll CR2 LBDIE LL_USART_EnableIT_LBD + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_LBD(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR2, USART_CR2_LBDIE); +} + +/** + * @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 USARTx_ISR register). + * 0: Interrupt is inhibited + * 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_ISR register. + * @rmtoll CR3 EIE LL_USART_EnableIT_ERROR + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_ERROR(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_EIE); +} + +/** + * @brief Enable CTS Interrupt + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll CR3 CTSIE LL_USART_EnableIT_CTS + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_CTS(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_CTSIE); +} + +/** + * @brief Enable Wake Up from Stop Mode Interrupt + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll CR3 WUFIE LL_USART_EnableIT_WKUP + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_WKUP(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_WUFIE); +} + +/** + * @brief Enable TX FIFO Threshold Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 TXFTIE LL_USART_EnableIT_TXFT + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_TXFT(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_TXFTIE); +} + +/** + * @brief Enable Smartcard Transmission Complete Before Guard Time Interrupt + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 TCBGTIE LL_USART_EnableIT_TCBGT + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_TCBGT(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_TCBGTIE); +} + +/** + * @brief Enable RX FIFO Threshold Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 RXFTIE LL_USART_EnableIT_RXFT + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableIT_RXFT(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_RXFTIE); +} + +/** + * @brief Disable IDLE Interrupt + * @rmtoll CR1 IDLEIE LL_USART_DisableIT_IDLE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_IDLE(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_IDLEIE); +} + +/* Legacy define */ +#define LL_USART_DisableIT_RXNE LL_USART_DisableIT_RXNE_RXFNE + +/** + * @brief Disable RX Not Empty and RX FIFO Not Empty Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 RXNEIE_RXFNEIE LL_USART_DisableIT_RXNE_RXFNE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_RXNE_RXFNE(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_RXNEIE_RXFNEIE); +} + +/** + * @brief Disable Transmission Complete Interrupt + * @rmtoll CR1 TCIE LL_USART_DisableIT_TC + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_TC(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_TCIE); +} + +/* Legacy define */ +#define LL_USART_DisableIT_TXE LL_USART_DisableIT_TXE_TXFNF + +/** + * @brief Disable TX Empty and TX FIFO Not Full Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 TXEIE_TXFNFIE LL_USART_DisableIT_TXE_TXFNF + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_TXE_TXFNF(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_TXEIE_TXFNFIE); +} + +/** + * @brief Disable Parity Error Interrupt + * @rmtoll CR1 PEIE LL_USART_DisableIT_PE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_PE(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_PEIE); +} + +/** + * @brief Disable Character Match Interrupt + * @rmtoll CR1 CMIE LL_USART_DisableIT_CM + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_CM(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_CMIE); +} + +/** + * @brief Disable Receiver Timeout Interrupt + * @rmtoll CR1 RTOIE LL_USART_DisableIT_RTO + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_RTO(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_RTOIE); +} + +/** + * @brief Disable End Of Block Interrupt + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR1 EOBIE LL_USART_DisableIT_EOB + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_EOB(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_EOBIE); +} + +/** + * @brief Disable TX FIFO Empty Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 TXFEIE LL_USART_DisableIT_TXFE + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_TXFE(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_TXFEIE); +} + +/** + * @brief Disable RX FIFO Full Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 RXFFIE LL_USART_DisableIT_RXFF + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_RXFF(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR1, USART_CR1_RXFFIE); +} + +/** + * @brief Disable LIN Break Detection Interrupt + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll CR2 LBDIE LL_USART_DisableIT_LBD + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_LBD(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR2, USART_CR2_LBDIE); +} + +/** + * @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 USARTx_ISR register). + * 0: Interrupt is inhibited + * 1: An interrupt is generated when FE=1 or ORE=1 or NF=1 in the USARTx_ISR register. + * @rmtoll CR3 EIE LL_USART_DisableIT_ERROR + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_ERROR(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_EIE); +} + +/** + * @brief Disable CTS Interrupt + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll CR3 CTSIE LL_USART_DisableIT_CTS + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_CTS(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_CTSIE); +} + +/** + * @brief Disable Wake Up from Stop Mode Interrupt + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll CR3 WUFIE LL_USART_DisableIT_WKUP + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_WKUP(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_WUFIE); +} + +/** + * @brief Disable TX FIFO Threshold Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 TXFTIE LL_USART_DisableIT_TXFT + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_TXFT(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_TXFTIE); +} + +/** + * @brief Disable Smartcard Transmission Complete Before Guard Time Interrupt + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 TCBGTIE LL_USART_DisableIT_TCBGT + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_TCBGT(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_TCBGTIE); +} + +/** + * @brief Disable RX FIFO Threshold Interrupt + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 RXFTIE LL_USART_DisableIT_RXFT + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableIT_RXFT(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_RXFTIE); +} + +/** + * @brief Check if the USART IDLE Interrupt source is enabled or disabled. + * @rmtoll CR1 IDLEIE LL_USART_IsEnabledIT_IDLE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_IDLE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_IDLEIE) == (USART_CR1_IDLEIE)) ? 1UL : 0UL); +} + +/* Legacy define */ +#define LL_USART_IsEnabledIT_RXNE LL_USART_IsEnabledIT_RXNE_RXFNE + +/** + * @brief Check if the USART RX Not Empty and USART RX FIFO Not Empty Interrupt is enabled or disabled. + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 RXNEIE_RXFNEIE LL_USART_IsEnabledIT_RXNE_RXFNE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXNE_RXFNE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_RXNEIE_RXFNEIE) == (USART_CR1_RXNEIE_RXFNEIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Transmission Complete Interrupt is enabled or disabled. + * @rmtoll CR1 TCIE LL_USART_IsEnabledIT_TC + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TC(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_TCIE) == (USART_CR1_TCIE)) ? 1UL : 0UL); +} + +/* Legacy define */ +#define LL_USART_IsEnabledIT_TXE LL_USART_IsEnabledIT_TXE_TXFNF + +/** + * @brief Check if the USART TX Empty and USART TX FIFO Not Full Interrupt is enabled or disabled + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 TXEIE_TXFNFIE LL_USART_IsEnabledIT_TXE_TXFNF + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXE_TXFNF(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_TXEIE_TXFNFIE) == (USART_CR1_TXEIE_TXFNFIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Parity Error Interrupt is enabled or disabled. + * @rmtoll CR1 PEIE LL_USART_IsEnabledIT_PE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_PE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_PEIE) == (USART_CR1_PEIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Character Match Interrupt is enabled or disabled. + * @rmtoll CR1 CMIE LL_USART_IsEnabledIT_CM + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CM(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_CMIE) == (USART_CR1_CMIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Receiver Timeout Interrupt is enabled or disabled. + * @rmtoll CR1 RTOIE LL_USART_IsEnabledIT_RTO + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RTO(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_RTOIE) == (USART_CR1_RTOIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART End Of Block Interrupt is enabled or disabled. + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR1 EOBIE LL_USART_IsEnabledIT_EOB + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_EOB(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_EOBIE) == (USART_CR1_EOBIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART TX FIFO Empty Interrupt is enabled or disabled + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 TXFEIE LL_USART_IsEnabledIT_TXFE + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXFE(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_TXFEIE) == (USART_CR1_TXFEIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART RX FIFO Full Interrupt is enabled or disabled + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR1 RXFFIE LL_USART_IsEnabledIT_RXFF + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXFF(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR1, USART_CR1_RXFFIE) == (USART_CR1_RXFFIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART LIN Break Detection Interrupt is enabled or disabled. + * @note Macro @ref IS_UART_LIN_INSTANCE(USARTx) can be used to check whether or not + * LIN feature is supported by the USARTx instance. + * @rmtoll CR2 LBDIE LL_USART_IsEnabledIT_LBD + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_LBD(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR2, USART_CR2_LBDIE) == (USART_CR2_LBDIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Error Interrupt is enabled or disabled. + * @rmtoll CR3 EIE LL_USART_IsEnabledIT_ERROR + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_ERROR(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_EIE) == (USART_CR3_EIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART CTS Interrupt is enabled or disabled. + * @note Macro @ref IS_UART_HWFLOW_INSTANCE(USARTx) can be used to check whether or not + * Hardware Flow control feature is supported by the USARTx instance. + * @rmtoll CR3 CTSIE LL_USART_IsEnabledIT_CTS + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_CTS(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_CTSIE) == (USART_CR3_CTSIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the USART Wake Up from Stop Mode Interrupt is enabled or disabled. + * @note Macro @ref IS_UART_WAKEUP_FROMSTOP_INSTANCE(USARTx) can be used to check whether or not + * Wake-up from Stop mode feature is supported by the USARTx instance. + * @rmtoll CR3 WUFIE LL_USART_IsEnabledIT_WKUP + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_WKUP(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_WUFIE) == (USART_CR3_WUFIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if USART TX FIFO Threshold Interrupt is enabled or disabled + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 TXFTIE LL_USART_IsEnabledIT_TXFT + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TXFT(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_TXFTIE) == (USART_CR3_TXFTIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if the Smartcard Transmission Complete Before Guard Time Interrupt is enabled or disabled. + * @note Macro @ref IS_SMARTCARD_INSTANCE(USARTx) can be used to check whether or not + * Smartcard feature is supported by the USARTx instance. + * @rmtoll CR3 TCBGTIE LL_USART_IsEnabledIT_TCBGT + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_TCBGT(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_TCBGTIE) == (USART_CR3_TCBGTIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if USART RX FIFO Threshold Interrupt is enabled or disabled + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll CR3 RXFTIE LL_USART_IsEnabledIT_RXFT + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledIT_RXFT(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_RXFTIE) == (USART_CR3_RXFTIE)) ? 1UL : 0UL); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_DMA_Management DMA_Management + * @{ + */ + +/** + * @brief Enable DMA Mode for reception + * @rmtoll CR3 DMAR LL_USART_EnableDMAReq_RX + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableDMAReq_RX(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_DMAR); +} + +/** + * @brief Disable DMA Mode for reception + * @rmtoll CR3 DMAR LL_USART_DisableDMAReq_RX + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableDMAReq_RX(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_DMAR); +} + +/** + * @brief Check if DMA Mode is enabled for reception + * @rmtoll CR3 DMAR LL_USART_IsEnabledDMAReq_RX + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_RX(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_DMAR) == (USART_CR3_DMAR)) ? 1UL : 0UL); +} + +/** + * @brief Enable DMA Mode for transmission + * @rmtoll CR3 DMAT LL_USART_EnableDMAReq_TX + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableDMAReq_TX(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_DMAT); +} + +/** + * @brief Disable DMA Mode for transmission + * @rmtoll CR3 DMAT LL_USART_DisableDMAReq_TX + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableDMAReq_TX(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_DMAT); +} + +/** + * @brief Check if DMA Mode is enabled for transmission + * @rmtoll CR3 DMAT LL_USART_IsEnabledDMAReq_TX + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledDMAReq_TX(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_DMAT) == (USART_CR3_DMAT)) ? 1UL : 0UL); +} + +/** + * @brief Enable DMA Disabling on Reception Error + * @rmtoll CR3 DDRE LL_USART_EnableDMADeactOnRxErr + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_EnableDMADeactOnRxErr(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->CR3, USART_CR3_DDRE); +} + +/** + * @brief Disable DMA Disabling on Reception Error + * @rmtoll CR3 DDRE LL_USART_DisableDMADeactOnRxErr + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_DisableDMADeactOnRxErr(USART_TypeDef *USARTx) +{ + CLEAR_BIT(USARTx->CR3, USART_CR3_DDRE); +} + +/** + * @brief Indicate if DMA Disabling on Reception Error is disabled + * @rmtoll CR3 DDRE LL_USART_IsEnabledDMADeactOnRxErr + * @param USARTx USART Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_USART_IsEnabledDMADeactOnRxErr(USART_TypeDef *USARTx) +{ + return ((READ_BIT(USARTx->CR3, USART_CR3_DDRE) == (USART_CR3_DDRE)) ? 1UL : 0UL); +} + +/** + * @brief Get the data register address used for DMA transfer + * @rmtoll RDR RDR LL_USART_DMA_GetRegAddr\n + * @rmtoll TDR TDR LL_USART_DMA_GetRegAddr + * @param USARTx USART Instance + * @param Direction This parameter can be one of the following values: + * @arg @ref LL_USART_DMA_REG_DATA_TRANSMIT + * @arg @ref LL_USART_DMA_REG_DATA_RECEIVE + * @retval Address of data register + */ +__STATIC_INLINE uint32_t LL_USART_DMA_GetRegAddr(USART_TypeDef *USARTx, uint32_t Direction) +{ + register uint32_t data_reg_addr; + + if (Direction == LL_USART_DMA_REG_DATA_TRANSMIT) + { + /* return address of TDR register */ + data_reg_addr = (uint32_t) &(USARTx->TDR); + } + else + { + /* return address of RDR register */ + data_reg_addr = (uint32_t) &(USARTx->RDR); + } + + return data_reg_addr; +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_Data_Management Data_Management + * @{ + */ + +/** + * @brief Read Receiver Data register (Receive Data value, 8 bits) + * @rmtoll RDR RDR LL_USART_ReceiveData8 + * @param USARTx USART Instance + * @retval Value between Min_Data=0x00 and Max_Data=0xFF + */ +__STATIC_INLINE uint8_t LL_USART_ReceiveData8(USART_TypeDef *USARTx) +{ + return (uint8_t)(READ_BIT(USARTx->RDR, USART_RDR_RDR) & 0xFFU); +} + +/** + * @brief Read Receiver Data register (Receive Data value, 9 bits) + * @rmtoll RDR RDR LL_USART_ReceiveData9 + * @param USARTx USART Instance + * @retval Value between Min_Data=0x00 and Max_Data=0x1FF + */ +__STATIC_INLINE uint16_t LL_USART_ReceiveData9(USART_TypeDef *USARTx) +{ + return (uint16_t)(READ_BIT(USARTx->RDR, USART_RDR_RDR)); +} + +/** + * @brief Write in Transmitter Data Register (Transmit Data value, 8 bits) + * @rmtoll TDR TDR LL_USART_TransmitData8 + * @param USARTx USART Instance + * @param Value between Min_Data=0x00 and Max_Data=0xFF + * @retval None + */ +__STATIC_INLINE void LL_USART_TransmitData8(USART_TypeDef *USARTx, uint8_t Value) +{ + USARTx->TDR = Value; +} + +/** + * @brief Write in Transmitter Data Register (Transmit Data value, 9 bits) + * @rmtoll TDR TDR LL_USART_TransmitData9 + * @param USARTx USART Instance + * @param Value between Min_Data=0x00 and Max_Data=0x1FF + * @retval None + */ +__STATIC_INLINE void LL_USART_TransmitData9(USART_TypeDef *USARTx, uint16_t Value) +{ + USARTx->TDR = (uint16_t)(Value & 0x1FFUL); +} + +/** + * @} + */ + +/** @defgroup USART_LL_EF_Execution Execution + * @{ + */ + +/** + * @brief Request an Automatic Baud Rate measurement on next received data frame + * @note Macro @ref IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(USARTx) can be used to check whether or not + * Auto Baud Rate detection feature is supported by the USARTx instance. + * @rmtoll RQR ABRRQ LL_USART_RequestAutoBaudRate + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_RequestAutoBaudRate(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->RQR, (uint16_t)USART_RQR_ABRRQ); +} + +/** + * @brief Request Break sending + * @rmtoll RQR SBKRQ LL_USART_RequestBreakSending + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_RequestBreakSending(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->RQR, (uint16_t)USART_RQR_SBKRQ); +} + +/** + * @brief Put USART in mute mode and set the RWU flag + * @rmtoll RQR MMRQ LL_USART_RequestEnterMuteMode + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_RequestEnterMuteMode(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->RQR, (uint16_t)USART_RQR_MMRQ); +} + +/** + * @brief Request a Receive Data and FIFO flush + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @note Allows to discard the received data without reading them, and avoid an overrun + * condition. + * @rmtoll RQR RXFRQ LL_USART_RequestRxDataFlush + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_RequestRxDataFlush(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->RQR, (uint16_t)USART_RQR_RXFRQ); +} + +/** + * @brief Request a Transmit data and FIFO flush + * @note Macro @ref IS_UART_FIFO_INSTANCE(USARTx) can be used to check whether or not + * FIFO mode feature is supported by the USARTx instance. + * @rmtoll RQR TXFRQ LL_USART_RequestTxDataFlush + * @param USARTx USART Instance + * @retval None + */ +__STATIC_INLINE void LL_USART_RequestTxDataFlush(USART_TypeDef *USARTx) +{ + SET_BIT(USARTx->RQR, (uint16_t)USART_RQR_TXFRQ); +} + +/** + * @} + */ + +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup USART_LL_EF_Init Initialization and de-initialization functions + * @{ + */ +ErrorStatus LL_USART_DeInit(USART_TypeDef *USARTx); +ErrorStatus LL_USART_Init(USART_TypeDef *USARTx, LL_USART_InitTypeDef *USART_InitStruct); +void LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct); +ErrorStatus LL_USART_ClockInit(USART_TypeDef *USARTx, LL_USART_ClockInitTypeDef *USART_ClockInitStruct); +void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct); +/** + * @} + */ +#endif /* USE_FULL_LL_DRIVER */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* USART1 || USART2 || USART3 || USART6 || UART4 || UART5 || UART7 || UART8 || UART9 || USART10 */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* STM32H7xx_LL_USART_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3