/** ****************************************************************************** * @file stm32h7xx_hal_usart.h * @author MCD Application Team * @version V1.0.0 * @date 21-April-2017 * @brief Header file of USART HAL module. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2017 STMicroelectronics

* * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32H7xx_HAL_USART_H #define __STM3H7xx_HAL_USART_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32h7xx_hal_def.h" /** @addtogroup STM32H7xx_HAL_Driver * @{ */ /** @addtogroup USART * @{ */ /* Exported types ------------------------------------------------------------*/ /** @defgroup USART_Exported_Types USART Exported Types * @{ */ /** * @brief USART Init Structure definition */ typedef struct { uint32_t BaudRate; /*!< This member configures the Usart communication baud rate. The baud rate is computed using the following formula: Baud Rate Register = ((PCLKx) / ((husart->Init.BaudRate))) */ uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame. This parameter can be a value of @ref USARTEx_Word_Length */ uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. This parameter can be a value of @ref USART_Stop_Bits */ uint32_t Parity; /*!< Specifies the parity mode. This parameter can be a value of @ref USART_Parity @note When parity is enabled, the computed parity is inserted at the MSB position of the transmitted data (9th bit when the word length is set to 9 data bits; 8th bit when the word length is set to 8 data bits). */ uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled. This parameter can be a value of @ref USART_Mode */ uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock. This parameter can be a value of @ref USART_Clock_Polarity */ uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made. This parameter can be a value of @ref USART_Clock_Phase */ uint32_t CLKLastBit; /*!< 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_Last_Bit */ uint32_t Prescaler; /*!< Specifies the prescaler value used to divide the USART clock source. This parameter can be a value of @ref USART_Prescaler */ uint32_t NSS; /*!< Specifies whether the NSS signal is managed by hardware (DIS_NSS pin) or by software . This parameter can be a value of @ref USART_Slave_Select_management */ uint32_t SlaveMode; /*!< Enable/Disable UART SPI Slave Mode. This parameter can be a value of @ref USART_Slave_Mode */ uint32_t FIFOMode; /*!< Specifies if the FIFO mode will be used. This parameter can be a value of @ref USART_FIFO_mode */ uint32_t TXFIFOThreshold; /*!< Specifies the TXFIFO threshold level. This parameter can be a value of @ref USART_TXFIFO_threshold_level */ uint32_t RXFIFOThreshold; /*!< Specifies the RXFIFO threshold level. This parameter can be a value of @ref USART_RXFIFO_threshold_level */ }USART_InitTypeDef; /** * @brief HAL USART State structures definition */ typedef enum { HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not initialized */ HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */ HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */ HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */ HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */ HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */ HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */ HAL_USART_STATE_ERROR = 0x04U /*!< Error */ }HAL_USART_StateTypeDef; /** * @brief HAL USART Error Code structure definition */ typedef enum { HAL_USART_ERROR_NONE = 0x00U, /*!< No error */ HAL_USART_ERROR_PE = 0x01U, /*!< Parity error */ HAL_USART_ERROR_NE = 0x02U, /*!< Noise error */ HAL_USART_ERROR_FE = 0x04U, /*!< frame error */ HAL_USART_ERROR_ORE = 0x08U, /*!< Overrun error */ HAL_USART_ERROR_DMA = 0x10U, /*!< DMA transfer error */ HAL_USART_ERROR_UDR = 0x11U /*!< SPI UnderRun error */ }HAL_USART_ErrorTypeDef; /** * @brief USART clock sources definitions */ typedef enum { USART_CLOCKSOURCE_D2PCLK1 = 0x00U, /*!< Domain2 PCLK1 clock source */ USART_CLOCKSOURCE_D2PCLK2 = 0x01U, /*!< Domain2 PCLK2 clock source */ USART_CLOCKSOURCE_D3PCLK1 = 0x02U, /*!< Domain3 PCLK1 clock source */ USART_CLOCKSOURCE_PLL2 = 0x04U, /*!< PLL2Q clock source */ USART_CLOCKSOURCE_HSI = 0x08U, /*!< HSI clock source */ USART_CLOCKSOURCE_CSI = 0x10U, /*!< CSI clock source */ USART_CLOCKSOURCE_LSE = 0x20U, /*!< LSE clock source */ USART_CLOCKSOURCE_PLL3 = 0x40U, /*!< PLL3Q clock source */ USART_CLOCKSOURCE_UNDEFINED = 0x80U /*!< Undefined clock source */ }USART_ClockSourceTypeDef; /** * @brief USART handle Structure definition */ typedef struct { USART_TypeDef *Instance; /*!< USART registers base address */ USART_InitTypeDef Init; /*!< USART communication parameters */ uint8_t *pTxBuffPtr; /*!< Pointer to USART Tx transfer Buffer */ uint16_t TxXferSize; /*!< USART Tx Transfer size */ __IO uint16_t TxXferCount; /*!< USART Tx Transfer Counter */ uint8_t *pRxBuffPtr; /*!< Pointer to USART Rx transfer Buffer */ uint16_t RxXferSize; /*!< USART Rx Transfer size */ __IO uint16_t RxXferCount; /*!< USART Rx Transfer Counter */ uint16_t Mask; /*!< USART Rx RDR register mask */ DMA_HandleTypeDef *hdmatx; /*!< USART Tx DMA Handle parameters */ DMA_HandleTypeDef *hdmarx; /*!< USART Rx DMA Handle parameters */ HAL_LockTypeDef Lock; /*!< Locking object */ __IO HAL_USART_StateTypeDef State; /*!< USART communication state */ __IO uint32_t ErrorCode; /*!< USART Error code */ }USART_HandleTypeDef; /** * @} */ /* Exported constants --------------------------------------------------------*/ /** @defgroup USART_Exported_Constants USART Exported Constants * @{ */ /** @defgroup USART_Stop_Bits USART Number of Stop Bits * @{ */ #define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0) /*!< USART frame with 0.5 stop bit */ #define USART_STOPBITS_1 ((uint32_t)0x00000000U) /*!< USART frame with 1 stop bit */ #define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1)) /*!< USART frame with 1.5 stop bits */ #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1) /*!< USART frame with 2 stop bits */ /** * @} */ /** @defgroup USART_Parity USART Parity * @{ */ #define USART_PARITY_NONE ((uint32_t)0x00000000U) /*!< No parity */ #define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE) /*!< Even parity */ #define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS)) /*!< Odd parity */ /** * @} */ /** @defgroup USART_Mode USART Mode * @{ */ #define USART_MODE_RX ((uint32_t)USART_CR1_RE) /*!< RX mode */ #define USART_MODE_TX ((uint32_t)USART_CR1_TE) /*!< TX mode */ #define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE)) /*!< RX and TX mode */ /** * @} */ /** @defgroup USART_Over_Sampling USART Over Sampling * @{ */ #define USART_OVERSAMPLING_16 ((uint32_t)0x00000000U) /*!< Oversampling by 16 */ #define USART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8) /*!< Oversampling by 8 */ /** * @} */ /** @defgroup USART_Clock USART Clock * @{ */ #define USART_CLOCK_DISABLE ((uint32_t)0x00000000U) /*!< USART clock disable */ #define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN) /*!< USART clock enable */ /** * @} */ /** @defgroup USART_Clock_Polarity USART Clock Polarity * @{ */ #define USART_POLARITY_LOW ((uint32_t)0x00000000U) /*!< USART Clock signal is steady Low */ #define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL) /*!< USART Clock signal is steady High */ /** * @} */ /** @defgroup USART_Clock_Phase USART Clock Phase * @{ */ #define USART_PHASE_1EDGE ((uint32_t)0x00000000U) /*!< USART frame phase on first clock transition */ #define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA) /*!< USART frame phase on second clock transition */ /** * @} */ /** @defgroup USART_Last_Bit USART Last Bit * @{ */ #define USART_LASTBIT_DISABLE ((uint32_t)0x00000000U) /*!< USART frame last data bit clock pulse not output to SCLK pin */ #define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL) /*!< USART frame last data bit clock pulse output to SCLK pin */ /** * @} */ /** @defgroup USART_Prescaler USART Prescaler * @{ */ #define USART_PRESCALER_DIV1 ((uint32_t)0x00000000U) /*!< USART clock /1 */ #define USART_PRESCALER_DIV2 ((uint32_t)0x00000001U) /*!< USART clock /2 */ #define USART_PRESCALER_DIV4 ((uint32_t)0x00000002U) /*!< USART clock /4 */ #define USART_PRESCALER_DIV6 ((uint32_t)0x00000003U) /*!< USART clock /6 */ #define USART_PRESCALER_DIV8 ((uint32_t)0x00000004U) /*!< USART clock /8 */ #define USART_PRESCALER_DIV10 ((uint32_t)0x00000005U) /*!< USART clock /10 */ #define USART_PRESCALER_DIV12 ((uint32_t)0x00000006U) /*!< USART clock /12 */ #define USART_PRESCALER_DIV16 ((uint32_t)0x00000007U) /*!< USART clock /16 */ #define USART_PRESCALER_DIV32 ((uint32_t)0x00000008U) /*!< USART clock /32 */ #define USART_PRESCALER_DIV64 ((uint32_t)0x00000009U) /*!< USART clock /64 */ #define USART_PRESCALER_DIV128 ((uint32_t)0x0000000AU) /*!< USART clock /128 */ #define USART_PRESCALER_DIV256 ((uint32_t)0x0000000BU) /*!< USART clock /256 */ /** * @} */ /** @defgroup USART_Slave_Select_management USART Slave Select Management * @{ */ #define USART_NSS_HW ((uint32_t)0x00000000U) /*!< USART Hardware NSS management */ #define USART_NSS_SW ((uint32_t)USART_CR2_DIS_NSS) /*!< USART Software NSS management */ /** * @} */ /** @defgroup USART_Slave_Mode USART Synchronous Slave mode enable * @{ */ #define USART_SLAVEMODE_DISABLE ((uint32_t)0x00000000U) /*!< USART SPI Slave Mode Enable */ #define USART_SLAVEMODE_ENABLE ((uint32_t)USART_CR2_SLVEN) /*!< USART SPI Slave Mode Disable */ /** * @} */ /** @defgroup USART_FIFO_mode USART FIFO mode * @brief USART FIFO mode * @{ */ #define USART_FIFOMODE_DISABLE ((uint32_t)0x00000000U) /*!< FIFO mode disable */ #define USART_FIFOMODE_ENABLE ((uint32_t)USART_CR1_FIFOEN) /*!< FIFO mode enable */ /** * @} */ /** @defgroup USART_TXFIFO_threshold_level USART TXFIFO threshold level * @brief USART TXFIFO level * @{ */ #define USART_TXFIFO_THRESHOLD_1_8 ((uint32_t)0x00000000U) /*!< TXFIFO reaches 1/8 of its depth */ #define USART_TXFIFO_THRESHOLD_1_4 ((uint32_t)USART_CR3_TXFTCFG_0) /*!< TXFIFO reaches 1/4 of its depth */ #define USART_TXFIFO_THRESHOLD_1_2 ((uint32_t)USART_CR3_TXFTCFG_1) /*!< TXFIFO reaches 1/2 of its depth */ #define USART_TXFIFO_THRESHOLD_3_4 ((uint32_t)(USART_CR3_TXFTCFG_0|USART_CR3_TXFTCFG_1)) /*!< TXFIFO reaches 3/4 of its depth */ #define USART_TXFIFO_THRESHOLD_7_8 ((uint32_t)USART_CR3_TXFTCFG_2) /*!< TXFIFO reaches 7/8 of its depth */ #define USART_TXFIFO_THRESHOLD_8_8 ((uint32_t)(USART_CR3_TXFTCFG_2|USART_CR3_TXFTCFG_0)) /*!< TXFIFO becomes empty */ /** * @} */ /** @defgroup USART_RXFIFO_threshold_level USART RXFIFO threshold level * @brief USART RXFIFO level * @{ */ #define USART_RXFIFO_THRESHOLD_1_8 ((uint32_t)0x00000000U) /*!< RXFIFO reaches 1/8 of its depth */ #define USART_RXFIFO_THRESHOLD_1_4 ((uint32_t)USART_CR3_RXFTCFG_0) /*!< RXFIFO reaches 1/4 of its depth */ #define USART_RXFIFO_THRESHOLD_1_2 ((uint32_t)USART_CR3_RXFTCFG_1) /*!< RXFIFO reaches 1/2 of its depth */ #define USART_RXFIFO_THRESHOLD_3_4 ((uint32_t)(USART_CR3_RXFTCFG_0|USART_CR3_RXFTCFG_1)) /*!< RXFIFO reaches 3/4 of its depth */ #define USART_RXFIFO_THRESHOLD_7_8 ((uint32_t)USART_CR3_RXFTCFG_2) /*!< RXFIFO reaches 7/8 of its depth */ #define USART_RXFIFO_THRESHOLD_8_8 ((uint32_t)(USART_CR3_RXFTCFG_2|USART_CR3_RXFTCFG_0)) /*!< RXFIFO becomes full */ /** * @} */ /** @defgroup USART_Request_Parameters USART Request Parameters * @{ */ #define USART_RXDATA_FLUSH_REQUEST ((uint32_t)USART_RQR_RXFRQ) /*!< Receive Data flush Request */ #define USART_TXDATA_FLUSH_REQUEST ((uint32_t)USART_RQR_TXFRQ) /*!< Transmit data flush Request */ /** * @} */ /** @defgroup USART_Flags USART Flags * Elements values convention: 0xXXXX * - 0xXXXX : Flag mask in the ISR register * @{ */ #define USART_FLAG_TXFT USART_ISR_TXFT /*!< USART TXFIFO threshold flag */ #define USART_FLAG_RXFT USART_ISR_RXFT /*!< USART RXFIFO threshold flag */ #define USART_FLAG_RXFF USART_ISR_RXFF /*!< USART RXFIFO Fullflag */ #define USART_FLAG_TXFE USART_ISR_TXFE /*!< USART TXFIFO Empty flag */ #define USART_FLAG_REACK USART_ISR_REACK /*!< USART receive enable acknowledge flag */ #define USART_FLAG_TEACK USART_ISR_TEACK /*!< USART transmit enable acknowledge flag */ #define USART_FLAG_BUSY USART_ISR_BUSY /*!< USART busy flag */ #define USART_FLAG_UDR USART_ISR_UDR /*!< USART SPI slave underrun error */ #define USART_FLAG_LBDF USART_ISR_LBDF /*!< USART LIN break detection flag */ #define USART_FLAG_TXE USART_ISR_TXE /*!< USART transmit data register empty */ #define USART_FLAG_TXFNF USART_ISR_TXE /*!< USART TXFIFO not full */ #define USART_FLAG_TC USART_ISR_TC /*!< USART transmission complete */ #define USART_FLAG_RXNE USART_ISR_RXNE /*!< USART read data register not empty */ #define USART_FLAG_RXFNE USART_ISR_RXNE /*!< USART RXFIFO not empty */ #define USART_FLAG_IDLE USART_ISR_IDLE /*!< USART idle flag */ #define USART_FLAG_ORE USART_ISR_ORE /*!< USART overrun error */ #define USART_FLAG_NE USART_ISR_NE /*!< USART noise error */ #define USART_FLAG_FE USART_ISR_FE /*!< USART frame error */ #define USART_FLAG_PE USART_ISR_PE /*!< USART parity error */ /** * @} */ /** @defgroup USART_Interrupt_definition USART Interrupts Definition * Elements values convention: 0000ZZZZ0XXYYYYYb * - YYYYY : Interrupt source position in the XX register (5bits) * - XX : Interrupt source register (2bits) * - 01: CR1 register * - 10: CR2 register * - 11: CR3 register * - ZZZZ : Flag position in the ISR register(5bits instead of 4bits) * @{ */ #define USART_IT_PE ((uint16_t)0x0028U) #define USART_IT_TXE ((uint16_t)0x0727U) #define USART_IT_TC ((uint16_t)0x0626U) #define USART_IT_RXNE ((uint16_t)0x0525U) #define USART_IT_IDLE ((uint16_t)0x0424U) #define USART_IT_ERR ((uint16_t)0x0060U) #define USART_IT_RXFF ((uint16_t)0x183FU) #define USART_IT_TXFE ((uint16_t)0x173EU) #define USART_IT_RXFT ((uint16_t)0x1A7CU) #define USART_IT_TXFT ((uint16_t)0x1B77U) #define USART_IT_UDR ((uint16_t)0x0D00U) #define USART_IT_ORE ((uint16_t)0x0300U) #define USART_IT_NE ((uint16_t)0x0200U) #define USART_IT_FE ((uint16_t)0x0100U) /** * @} */ /** @defgroup USART_IT_CLEAR_Flags USART Interruption Clear Flags * @{ */ #define USART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */ #define USART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */ #define USART_CLEAR_NEF USART_ICR_NCF /*!< Noise detected Clear Flag */ #define USART_CLEAR_OREF USART_ICR_ORECF /*!< OverRun Error Clear Flag */ #define USART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */ #define USART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */ #define USART_CLEAR_UDRCF USART_ICR_UDRCF /*!< UnderRun Error Clear Flag */ #define USART_CLEAR_TXFECF USART_ICR_TXFECF /*!< TXFIFO empty clear flag */ /** * @} */ /** @defgroup USART_Interruption_Mask USART Interruption Flags Mask * @{ */ #define USART_IT_MASK ((uint16_t)0x001FU) /*!< USART interruptions flags mask */ /** * @} */ /** * @} */ /* Exported macros -----------------------------------------------------------*/ /** @defgroup USART_Exported_Macros USART Exported Macros * @{ */ /** @brief Reset USART handle state. * @param __HANDLE__: USART handle. * @retval None */ #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET) /** @brief Check whether the specified USART flag is set or not. * @param __HANDLE__: specifies the USART Handle * @param __FLAG__: specifies the flag to check. * This parameter can be one of the following values: * @arg USART_FLAG_TXFT: TXFIFO threshold flag * @arg USART_FLAG_RXFT: RXFIFO threshold flag * @arg USART_FLAG_RXFF: RXFIFO Full flag * @arg USART_FLAG_TXFE: TXFIFO Empty flag * @arg USART_FLAG_REACK: Receive enable ackowledge flag * @arg USART_FLAG_TEACK: Transmit enable ackowledge flag * @arg USART_FLAG_BUSY: Busy flag * @arg USART_FLAG_TXE: Transmit data register empty flag * @arg USART_FLAG_TC: Transmission Complete flag * @arg USART_FLAG_RXNE: Receive data register not empty flag * @arg USART_FLAG_IDLE: Idle Line detection flag * @arg USART_FLAG_ORE: OverRun Error flag * @arg USART_FLAG_UDR: UnderRun Error flag * @arg USART_FLAG_NE: Noise Error flag * @arg USART_FLAG_FE: Framing Error flag * @arg USART_FLAG_PE: Parity Error flag * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__)) /** @brief Clear the specified USART pending flag. * @param __HANDLE__: specifies the USART Handle. * @param __FLAG__: specifies the flag to check. * This parameter can be any combination of the following values: * @arg USART_FLAG_TXFT: TXFIFO threshold flag * @arg USART_FLAG_RXFT: RXFIFO threshold flag * @arg USART_FLAG_RXFF: RXFIFO Full flag * @arg USART_FLAG_TXFE: TXFIFO Empty flag * @arg USART_FLAG_REACK: Receive enable ackowledge flag * @arg USART_FLAG_TEACK: Transmit enable ackowledge flag * @arg USART_FLAG_WUF: Wake up from stop mode flag * @arg USART_FLAG_RWU: Receiver wake up flag (is the USART in mute mode) * @arg USART_FLAG_SBKF: Send Break flag * @arg USART_FLAG_CMF: Character match flag * @arg USART_FLAG_BUSY: Busy flag * @arg USART_FLAG_ABRF: Auto Baud rate detection flag * @arg USART_FLAG_ABRE: Auto Baud rate detection error flag * @arg USART_FLAG_RTOF: Receiver timeout flag * @arg USART_FLAG_LBD: LIN Break detection flag * @arg USART_FLAG_TXE: Transmit data register empty flag * @arg USART_FLAG_TC: Transmission Complete flag * @arg USART_FLAG_RXNE: Receive data register not empty flag * @arg USART_FLAG_IDLE: Idle Line detection flag * @arg USART_FLAG_ORE: OverRun Error flag * @arg USART_FLAG_NE: Noise Error flag * @arg USART_FLAG_FE: Framing Error flag * @arg USART_FLAG_PE: Parity Error flag * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__)) /** @brief Enable the specified USART interrupt. * @param __HANDLE__: specifies the USART Handle. * @param __INTERRUPT__: specifies the USART interrupt source to enable. * This parameter can be one of the following values: * @arg USART_IT_RXFF: RXFIFO Full interrupt * @arg USART_IT_TXFE: TXFIFO Empty interrupt * @arg USART_IT_RXFT: RXFIFO threshold interrupt * @arg USART_IT_TXFT: TXFIFO threshold interrupt * @arg USART_IT_TXE : Transmit Data Register empty interrupt * @arg USART_IT_TC : Transmission complete interrupt * @arg USART_IT_RXNE: Receive Data register not empty interrupt * @arg USART_IT_IDLE: Idle line detection interrupt * @arg USART_IT_PE : Parity Error interrupt * @arg USART_IT_ERR : Error interrupt(Frame error, noise error, overrun error) * @retval None */ #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & USART_IT_MASK)))) /** @brief Disable the specified USART interrupt. * @param __HANDLE__: specifies the USART Handle. * @param __INTERRUPT__: specifies the USART interrupt source to disable. * This parameter can be one of the following values: * @arg USART_IT_RXFF: RXFIFO Full interrupt * @arg USART_IT_TXFE: TXFIFO Empty interrupt * @arg USART_IT_RXFT: RXFIFO threshold interrupt * @arg USART_IT_TXFT: TXFIFO threshold interrupt * @arg USART_IT_TXE : Transmit Data Register empty interrupt * @arg USART_IT_TC : Transmission complete interrupt * @arg USART_IT_RXNE: Receive Data register not empty interrupt * @arg USART_IT_IDLE: Idle line detection interrupt * @arg USART_IT_PE : Parity Error interrupt * @arg USART_IT_ERR : Error interrupt(Frame error, noise error, overrun error) * @retval None */ #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK)))) /** @brief Check whether the specified USART interrupt has occurred or not. * @param __HANDLE__: specifies the USART Handle. * @param __IT__: specifies the USART interrupt source to check. * This parameter can be one of the following values: * @arg USART_IT_RXFF: RXFIFO Full interrupt * @arg USART_IT_TXFE: TXFIFO Empty interrupt * @arg USART_IT_RXFT: RXFIFO threshold interrupt * @arg USART_IT_TXFT: TXFIFO threshold interrupt * @arg USART_IT_TXE : Transmit Data Register empty interrupt * @arg USART_IT_TC : Transmission complete interrupt * @arg USART_IT_RXNE: Receive Data register not empty interrupt * @arg USART_IT_IDLE: Idle line detection interrupt * @arg USART_IT_ORE : OverRun Error interrupt * @arg USART_IT_UDR : UnderRun Error interrupt * @arg USART_IT_NE : Noise Error interrupt * @arg USART_IT_FE : Framing Error interrupt * @arg USART_IT_PE : Parity Error interrupt * @retval The new state of __IT__ (TRUE or FALSE). */ #define __HAL_USART_GET_IT(__HANDLE__, __IT__) ((__HANDLE__)->Instance->ISR & ((uint32_t)1 << ((__IT__)>> 0x08))) /** @brief Check whether the specified USART interrupt source is enabled or not. * @param __HANDLE__: specifies the USART Handle. * @param __IT__: specifies the USART interrupt source to check. * This parameter can be one of the following values: * @arg USART_IT_RXFF: RXFIFO Full interrupt * @arg USART_IT_TXFE: TXFIFO Empty interrupt * @arg USART_IT_RXFT: RXFIFO threshold interrupt * @arg USART_IT_TXFT: TXFIFO threshold interrupt * @arg USART_IT_TXE : Transmit Data Register empty interrupt * @arg USART_IT_TC : Transmission complete interrupt * @arg USART_IT_RXNE: Receive Data register not empty interrupt * @arg USART_IT_IDLE: Idle line detection interrupt * @arg USART_IT_ORE : OverRun Error interrupt * @arg USART_IT_NE : Noise Error interrupt * @arg USART_IT_FE : Framing Error interrupt * @arg USART_IT_PE : Parity Error interrupt * @retval The new state of __IT__ (TRUE or FALSE). */ #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) ((((((uint8_t)(__IT__)) >> 5) == 1)? (__HANDLE__)->Instance->CR1:(((((uint8_t)(__IT__)) >> 5) == 2)? \ (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & ((uint32_t)1 << \ (((uint16_t)(__IT__)) & USART_IT_MASK))) /** @brief Clear the specified USART ISR flag, in setting the proper ICR register flag. * @param __HANDLE__: specifies the USART Handle. * @param __IT_CLEAR__: specifies the interrupt clear register flag that needs to be set * to clear the corresponding interrupt. * This parameter can be one of the following values: * @arg USART_CLEAR_PEF: Parity Error Clear Flag * @arg USART_CLEAR_FEF: Framing Error Clear Flag * @arg USART_CLEAR_NEF: Noise detected Clear Flag * @arg USART_CLEAR_OREF: OverRun Error Clear Flag * @arg USART_CLEAR_IDLEF: IDLE line detected Clear Flag * @arg USART_CLEAR_TCF: Transmission Complete Clear Flag * @arg USART_CLEAR_UDRCF: UnderRun Error Clear Flag * @arg USART_CLEAR_TXFECF: TXFIFO empty Clear Flag * @retval None */ #define __HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__)) /** @brief Clear the USART PE pending flag. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) __HAL_USART_CLEAR_IT((__HANDLE__), USART_CLEAR_PEF) /** @brief Clear the USART FE pending flag. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_IT((__HANDLE__), USART_CLEAR_FEF) /** @brief Clear the USART NE pending flag. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_IT((__HANDLE__), USART_CLEAR_NEF) /** @brief Clear the USART ORE pending flag. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_IT((__HANDLE__), USART_CLEAR_OREF) /** @brief Clear the USART IDLE pending flag. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_IT((__HANDLE__), USART_CLEAR_IDLEF) /** @brief Clear the USART UDR pending flag. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_CLEAR_UDRFLAG(__HANDLE__) __HAL_USART_CLEAR_IT((__HANDLE__), USART_CLEAR_UDRCF) /** @brief Clear the USART TX FIFO empty clear flag. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_CLEAR_TXFECF(__HANDLE__) __HAL_USART_CLEAR_IT((__HANDLE__), USART_CLEAR_TXFECF) /** @brief Set a specific USART request flag. * @param __HANDLE__: specifies the USART Handle. * @param __REQ__: specifies the request flag to set. * This parameter can be one of the following values: * @arg USART_RXDATA_FLUSH_REQUEST: Receive Data flush Request * @arg USART_TXDATA_FLUSH_REQUEST: Transmit data flush Request * * @retval None */ #define __HAL_USART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (__REQ__)) /** @brief Enable the USART one bit sample method. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT) /** @brief Disable the USART one bit sample method. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_ONEBIT)) /** @brief Enable USART. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE) /** @brief Disable USART. * @param __HANDLE__: specifies the USART Handle. * @retval None */ #define __HAL_USART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE) /** * @} */ /* Private variables -----------------------------------------------------*/ /** @defgroup USART_Private_Variables USART Private Variables * @{ */ static const uint16_t USARTPrescTable[12] = {1, 2, 4, 6, 8, 10, 12, 16, 32, 64, 128, 256}; /** * @} */ /* Private macros --------------------------------------------------------*/ /** @defgroup USART_Private_Macros USART Private Macros * @{ */ /** @brief Report the USART clock source. * @param __HANDLE__: specifies the USART Handle. * @param __CLOCKSOURCE__: output variable. * @retval the USART clocking source, written in __CLOCKSOURCE__. */ #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ do { \ if((__HANDLE__)->Instance == USART1) \ { \ switch(__HAL_RCC_GET_USART1_SOURCE()) \ { \ case RCC_USART1CLKSOURCE_D2PCLK2: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_D2PCLK2; \ break; \ case RCC_USART1CLKSOURCE_PLL2: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL2; \ break; \ case RCC_USART1CLKSOURCE_PLL3: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL3; \ break; \ case RCC_USART1CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART1CLKSOURCE_CSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_CSI; \ break; \ case RCC_USART1CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART2) \ { \ switch(__HAL_RCC_GET_USART2_SOURCE()) \ { \ case RCC_USART2CLKSOURCE_D2PCLK1: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_D2PCLK1; \ break; \ case RCC_USART2CLKSOURCE_PLL2: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL2; \ break; \ case RCC_USART2CLKSOURCE_PLL3: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL3; \ break; \ case RCC_USART2CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART2CLKSOURCE_CSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_CSI; \ break; \ case RCC_USART2CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART3) \ { \ switch(__HAL_RCC_GET_USART3_SOURCE()) \ { \ case RCC_USART3CLKSOURCE_D2PCLK1: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_D2PCLK1; \ break; \ case RCC_USART3CLKSOURCE_PLL2: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL2; \ break; \ case RCC_USART3CLKSOURCE_PLL3: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL3; \ break; \ case RCC_USART3CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART3CLKSOURCE_CSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_CSI; \ break; \ case RCC_USART3CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ } \ } \ else if((__HANDLE__)->Instance == USART6) \ { \ switch(__HAL_RCC_GET_USART6_SOURCE()) \ { \ case RCC_USART6CLKSOURCE_D2PCLK2: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_D2PCLK2; \ break; \ case RCC_USART6CLKSOURCE_PLL2: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL2; \ break; \ case RCC_USART6CLKSOURCE_PLL3: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PLL3; \ break; \ case RCC_USART6CLKSOURCE_HSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ break; \ case RCC_USART6CLKSOURCE_CSI: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_CSI; \ break; \ case RCC_USART6CLKSOURCE_LSE: \ (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ break; \ } \ } \ } while(0) /** @brief BRR division operation to set BRR register in 8-bit oversampling mode. * @param __PCLK__: USART clock. * @param __BAUD__: Baud rate set by the user. * @param __PRESCALER__: UART prescaler value. * @retval Division result */ #define USART_DIV_SAMPLING8(__PCLK__, __BAUD__, __PRESCALER__) (((((__PCLK__)/USARTPrescTable[(__PRESCALER__)])*2) + ((__BAUD__)/2)) / (__BAUD__)) /** @brief Check USART Baud rate. * @param __BAUDRATE__: Baudrate specified by the user. * The maximum Baud Rate is derived from the maximum clock on H7 (i.e. 100 MHz) * divided by the smallest oversampling used on the USART (i.e. 8). * @retval Test result (TRUE or FALSE). */ #define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 12500001U) /** * @brief Ensure that USART frame number of stop bits is valid. * @param __STOPBITS__: USART frame number of stop bits. * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid) */ #define IS_USART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == USART_STOPBITS_0_5) || \ ((__STOPBITS__) == USART_STOPBITS_1) || \ ((__STOPBITS__) == USART_STOPBITS_1_5) || \ ((__STOPBITS__) == USART_STOPBITS_2)) /** * @brief Ensure that USART frame parity is valid. * @param __PARITY__: USART frame parity. * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid) */ #define IS_USART_PARITY(__PARITY__) (((__PARITY__) == USART_PARITY_NONE) || \ ((__PARITY__) == USART_PARITY_EVEN) || \ ((__PARITY__) == USART_PARITY_ODD)) /** * @brief Ensure that USART communication mode is valid. * @param __MODE__: USART communication mode. * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid) */ #define IS_USART_MODE(__MODE__) ((((__MODE__) & (uint32_t)0xFFFFFFF3U) == 0x00U) && ((__MODE__) != (uint32_t)0x00U)) /** * @brief Ensure that USART oversampling is valid. * @param __SAMPLING__: USART oversampling. * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid) */ #define IS_USART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == USART_OVERSAMPLING_16) || \ ((__SAMPLING__) == USART_OVERSAMPLING_8)) /** * @brief Ensure that USART clock state is valid. * @param __CLOCK__: USART clock state. * @retval SET (__CLOCK__ is valid) or RESET (__CLOCK__ is invalid) */ #define IS_USART_CLOCK(__CLOCK__) (((__CLOCK__) == USART_CLOCK_DISABLE) || \ ((__CLOCK__) == USART_CLOCK_ENABLE)) /** * @brief Ensure that USART frame polarity is valid. * @param __CPOL__: USART frame polarity. * @retval SET (__CPOL__ is valid) or RESET (__CPOL__ is invalid) */ #define IS_USART_POLARITY(__CPOL__) (((__CPOL__) == USART_POLARITY_LOW) || ((__CPOL__) == USART_POLARITY_HIGH)) /** * @brief Ensure that USART frame phase is valid. * @param __CPHA__: USART frame phase. * @retval SET (__CPHA__ is valid) or RESET (__CPHA__ is invalid) */ #define IS_USART_PHASE(__CPHA__) (((__CPHA__) == USART_PHASE_1EDGE) || ((__CPHA__) == USART_PHASE_2EDGE)) /** * @brief Ensure that USART frame last bit clock pulse setting is valid. * @param __LASTBIT__: USART frame last bit clock pulse setting. * @retval SET (__LASTBIT__ is valid) or RESET (__LASTBIT__ is invalid) */ #define IS_USART_LASTBIT(__LASTBIT__) (((__LASTBIT__) == USART_LASTBIT_DISABLE) || \ ((__LASTBIT__) == USART_LASTBIT_ENABLE)) /** * @brief Ensure that USART request parameter is valid. * @param __PARAM__: USART request parameter. * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid) */ #define IS_USART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == USART_RXDATA_FLUSH_REQUEST) || \ ((__PARAM__) == USART_TXDATA_FLUSH_REQUEST)) /** * @brief Ensure that USART Prescaler is valid. * @param __PRESCALER__: USART Prescaler value. * @retval SET (__PRESCALER__ is valid) or RESET (__PRESCALER__ is invalid) */ #define IS_USART_PRESCALER(__PRESCALER__) (((__PRESCALER__) == USART_PRESCALER_DIV1) || \ ((__PRESCALER__) == USART_PRESCALER_DIV2) || \ ((__PRESCALER__) == USART_PRESCALER_DIV4) || \ ((__PRESCALER__) == USART_PRESCALER_DIV6) || \ ((__PRESCALER__) == USART_PRESCALER_DIV8) || \ ((__PRESCALER__) == USART_PRESCALER_DIV10) || \ ((__PRESCALER__) == USART_PRESCALER_DIV12) || \ ((__PRESCALER__) == USART_PRESCALER_DIV16) || \ ((__PRESCALER__) == USART_PRESCALER_DIV32) || \ ((__PRESCALER__) == USART_PRESCALER_DIV64) || \ ((__PRESCALER__) == USART_PRESCALER_DIV128) || \ ((__PRESCALER__) == USART_PRESCALER_DIV256)) /** * @brief Ensure that USART NSS is valid. * @param __NSS__: USART Negative Slave Select pin management. * @retval SET (__NSS__ is valid) or RESET (__NSS__ is invalid) */ #define IS_USART_NSS(__NSS__) (((__NSS__) == USART_NSS_HW) || ((__NSS__) == USART_NSS_SW)) /** * @brief Ensure that USART FIFO mode is valid. * @param __STATE__: USART FIFO mode. * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid) */ #define IS_USART_FIFO_MODE_STATE(__STATE__) (((__STATE__) == USART_FIFOMODE_DISABLE ) || \ ((__STATE__) == USART_FIFOMODE_ENABLE)) /** * @brief Ensure that USART TXFIFO threshold level is valid. * @param __THRESHOLD__: USART TXFIFO threshold level. * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid) */ #define IS_USART_TXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == USART_TXFIFO_THRESHOLD_1_8) || \ ((__THRESHOLD__) == USART_TXFIFO_THRESHOLD_1_4) || \ ((__THRESHOLD__) == USART_TXFIFO_THRESHOLD_1_2) || \ ((__THRESHOLD__) == USART_TXFIFO_THRESHOLD_3_4) || \ ((__THRESHOLD__) == USART_TXFIFO_THRESHOLD_7_8) || \ ((__THRESHOLD__) == USART_TXFIFO_THRESHOLD_8_8)) /** * @brief Ensure that USART RXFIFO threshold level is valid. * @param __THRESHOLD__: USART RXFIFO threshold level. * @retval SET (__THRESHOLD__ is valid) or RESET (__THRESHOLD__ is invalid) */ #define IS_USART_RXFIFO_THRESHOLD(__THRESHOLD__) (((__THRESHOLD__) == USART_RXFIFO_THRESHOLD_1_8) || \ ((__THRESHOLD__) == USART_RXFIFO_THRESHOLD_1_4) || \ ((__THRESHOLD__) == USART_RXFIFO_THRESHOLD_1_2) || \ ((__THRESHOLD__) == USART_RXFIFO_THRESHOLD_3_4) || \ ((__THRESHOLD__) == USART_RXFIFO_THRESHOLD_7_8) || \ ((__THRESHOLD__) == USART_RXFIFO_THRESHOLD_8_8)) /** * @brief Ensure that USART Slave Mode is valid. * @param __STATE__: USART Slave Mode. * @retval SET (__STATE__ is valid) or RESET (__STATE__ is invalid) */ #define IS_USART_SLAVEMODE(__STATE__) (((__STATE__) == USART_SLAVEMODE_DISABLE ) || \ ((__STATE__) == USART_SLAVEMODE_ENABLE)) /** * @} */ /* Include USART HAL Extended module */ #include "stm32h7xx_hal_usart_ex.h" /* Exported functions --------------------------------------------------------*/ /** @addtogroup USART_Exported_Functions USART Exported Functions * @{ */ /** @addtogroup USART_Exported_Functions_Group1 Initialization and de-initialization functions * @{ */ /* Initialization and de-initialization functions ****************************/ HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart); HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart); void HAL_USART_MspInit(USART_HandleTypeDef *husart); void HAL_USART_MspDeInit(USART_HandleTypeDef *husart); /** * @} */ /** @addtogroup USART_Exported_Functions_Group2 IO operation functions * @{ */ /* IO operation functions *****************************************************/ HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size); HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size); HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size); HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size); HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart); HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart); HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart); /* Transfer Abort functions */ HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart); HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart); void HAL_USART_IRQHandler(USART_HandleTypeDef *husart); void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart); void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart); void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart); void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart); void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart); void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart); void HAL_USART_AbortCpltCallback (USART_HandleTypeDef *husart); /** * @} */ /* Peripheral Control functions ***********************************************/ /** @addtogroup USART_Exported_Functions_Group4 Peripheral State and Error functions * @{ */ /* Peripheral State and Error functions ***************************************/ HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart); uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart); /** * @} */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32H7xx_HAL_USART_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/