| /** |
| ****************************************************************************** |
| * @file stm32l4xx_hal_usart.h |
| * @author MCD Application Team |
| * @brief Header file of USART HAL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2017 STMicroelectronics. |
| * All rights reserved. |
| * |
| * This software is licensed under terms that can be found in the LICENSE file |
| * in the root directory of this software component. |
| * If no LICENSE file comes with this software, it is provided AS-IS. |
| * |
| ****************************************************************************** |
| */ |
| |
| /* Define to prevent recursive inclusion -------------------------------------*/ |
| #ifndef STM32L4xx_HAL_USART_H |
| #define STM32L4xx_HAL_USART_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32l4xx_hal_def.h" |
| |
| /** @addtogroup STM32L4xx_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[15:4] = ((2 * fclk_pres) / |
| ((huart->Init.BaudRate)))[15:4] |
| Baud Rate Register[3] = 0 |
| Baud Rate Register[2:0] = (((2 * fclk_pres) / |
| ((huart->Init.BaudRate)))[3:0]) >> 1 |
| where fclk_pres is the USART input clock frequency (fclk) |
| (divided by a prescaler if applicable) |
| @note Oversampling by 8 is systematically applied to |
| achieve high baud rates. */ |
| |
| 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. */ |
| |
| #if defined(USART_PRESC_PRESCALER) |
| uint32_t ClockPrescaler; /*!< Specifies the prescaler value used to divide the USART clock source. |
| This parameter can be a value of @ref USART_ClockPrescaler. */ |
| #endif /* USART_PRESC_PRESCALER */ |
| } 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 USART clock sources definitions |
| */ |
| typedef enum |
| { |
| USART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */ |
| USART_CLOCKSOURCE_PCLK2 = 0x01U, /*!< PCLK2 clock source */ |
| USART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */ |
| USART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */ |
| USART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */ |
| USART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */ |
| } USART_ClockSourceTypeDef; |
| |
| /** |
| * @brief USART handle Structure definition |
| */ |
| typedef struct __USART_HandleTypeDef |
| { |
| USART_TypeDef *Instance; /*!< USART registers base address */ |
| |
| USART_InitTypeDef Init; /*!< USART communication parameters */ |
| |
| const 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 */ |
| |
| #if defined(USART_CR1_FIFOEN) |
| uint16_t NbRxDataToProcess; /*!< Number of data to process during RX ISR execution */ |
| |
| uint16_t NbTxDataToProcess; /*!< Number of data to process during TX ISR execution */ |
| |
| #endif /* USART_CR1_FIFOEN */ |
| #if defined(USART_CR2_SLVEN) |
| uint32_t SlaveMode; /*!< Enable/Disable UART SPI Slave Mode. This parameter can be a value |
| of @ref USARTEx_Slave_Mode */ |
| |
| #endif /* USART_CR2_SLVEN */ |
| #if defined(USART_CR1_FIFOEN) |
| uint32_t FifoMode; /*!< Specifies if the FIFO mode will be used. This parameter can be a value |
| of @ref USARTEx_FIFO_mode. */ |
| |
| #endif /* USART_CR1_FIFOEN */ |
| void (*RxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Rx IRQ handler */ |
| |
| void (*TxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Tx IRQ handler */ |
| |
| 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 */ |
| |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| void (* TxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Half Complete Callback */ |
| void (* TxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Complete Callback */ |
| void (* RxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Half Complete Callback */ |
| void (* RxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Complete Callback */ |
| void (* TxRxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Rx Complete Callback */ |
| void (* ErrorCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Error Callback */ |
| void (* AbortCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Abort Complete Callback */ |
| #if defined(USART_CR1_FIFOEN) |
| void (* RxFifoFullCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Fifo Full Callback */ |
| void (* TxFifoEmptyCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Fifo Empty Callback */ |
| #endif /* USART_CR1_FIFOEN */ |
| |
| void (* MspInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp Init callback */ |
| void (* MspDeInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp DeInit callback */ |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| |
| } USART_HandleTypeDef; |
| |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| /** |
| * @brief HAL USART Callback ID enumeration definition |
| */ |
| typedef enum |
| { |
| HAL_USART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< USART Tx Half Complete Callback ID */ |
| HAL_USART_TX_COMPLETE_CB_ID = 0x01U, /*!< USART Tx Complete Callback ID */ |
| HAL_USART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< USART Rx Half Complete Callback ID */ |
| HAL_USART_RX_COMPLETE_CB_ID = 0x03U, /*!< USART Rx Complete Callback ID */ |
| HAL_USART_TX_RX_COMPLETE_CB_ID = 0x04U, /*!< USART Tx Rx Complete Callback ID */ |
| HAL_USART_ERROR_CB_ID = 0x05U, /*!< USART Error Callback ID */ |
| HAL_USART_ABORT_COMPLETE_CB_ID = 0x06U, /*!< USART Abort Complete Callback ID */ |
| #if defined(USART_CR1_FIFOEN) |
| HAL_USART_RX_FIFO_FULL_CB_ID = 0x07U, /*!< USART Rx Fifo Full Callback ID */ |
| HAL_USART_TX_FIFO_EMPTY_CB_ID = 0x08U, /*!< USART Tx Fifo Empty Callback ID */ |
| #endif /* USART_CR1_FIFOEN */ |
| |
| HAL_USART_MSPINIT_CB_ID = 0x09U, /*!< USART MspInit callback ID */ |
| HAL_USART_MSPDEINIT_CB_ID = 0x0AU /*!< USART MspDeInit callback ID */ |
| |
| } HAL_USART_CallbackIDTypeDef; |
| |
| /** |
| * @brief HAL USART Callback pointer definition |
| */ |
| typedef void (*pUSART_CallbackTypeDef)(USART_HandleTypeDef *husart); /*!< pointer to an USART callback function */ |
| |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported constants --------------------------------------------------------*/ |
| /** @defgroup USART_Exported_Constants USART Exported Constants |
| * @{ |
| */ |
| |
| /** @defgroup USART_Error_Definition USART Error Definition |
| * @{ |
| */ |
| #define HAL_USART_ERROR_NONE (0x00000000U) /*!< No error */ |
| #define HAL_USART_ERROR_PE (0x00000001U) /*!< Parity error */ |
| #define HAL_USART_ERROR_NE (0x00000002U) /*!< Noise error */ |
| #define HAL_USART_ERROR_FE (0x00000004U) /*!< Frame error */ |
| #define HAL_USART_ERROR_ORE (0x00000008U) /*!< Overrun error */ |
| #define HAL_USART_ERROR_DMA (0x00000010U) /*!< DMA transfer error */ |
| #if defined(USART_CR2_SLVEN) |
| #define HAL_USART_ERROR_UDR (0x00000020U) /*!< SPI slave underrun error */ |
| #endif /* USART_CR2_SLVEN */ |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| #define HAL_USART_ERROR_INVALID_CALLBACK (0x00000040U) /*!< Invalid Callback error */ |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| #define HAL_USART_ERROR_RTO (0x00000080U) /*!< Receiver Timeout error */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Stop_Bits USART Number of Stop Bits |
| * @{ |
| */ |
| #define USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< USART frame with 0.5 stop bit */ |
| #define USART_STOPBITS_1 0x00000000U /*!< USART frame with 1 stop bit */ |
| #define USART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< USART frame with 1.5 stop bits */ |
| #define USART_STOPBITS_2 USART_CR2_STOP_1 /*!< USART frame with 2 stop bits */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Parity USART Parity |
| * @{ |
| */ |
| #define USART_PARITY_NONE 0x00000000U /*!< No parity */ |
| #define USART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */ |
| #define USART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Mode USART Mode |
| * @{ |
| */ |
| #define USART_MODE_RX USART_CR1_RE /*!< RX mode */ |
| #define USART_MODE_TX USART_CR1_TE /*!< TX mode */ |
| #define USART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Clock USART Clock |
| * @{ |
| */ |
| #define USART_CLOCK_DISABLE 0x00000000U /*!< USART clock disable */ |
| #define USART_CLOCK_ENABLE USART_CR2_CLKEN /*!< USART clock enable */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Clock_Polarity USART Clock Polarity |
| * @{ |
| */ |
| #define USART_POLARITY_LOW 0x00000000U /*!< Driver enable signal is active high */ |
| #define USART_POLARITY_HIGH USART_CR2_CPOL /*!< Driver enable signal is active low */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Clock_Phase USART Clock Phase |
| * @{ |
| */ |
| #define USART_PHASE_1EDGE 0x00000000U /*!< USART frame phase on first clock transition */ |
| #define USART_PHASE_2EDGE USART_CR2_CPHA /*!< USART frame phase on second clock transition */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Last_Bit USART Last Bit |
| * @{ |
| */ |
| #define USART_LASTBIT_DISABLE 0x00000000U /*!< USART frame last data bit clock pulse not output to SCLK pin */ |
| #define USART_LASTBIT_ENABLE USART_CR2_LBCL /*!< USART frame last data bit clock pulse output to SCLK pin */ |
| /** |
| * @} |
| */ |
| |
| #if defined(USART_PRESC_PRESCALER) |
| /** @defgroup USART_ClockPrescaler USART Clock Prescaler |
| * @{ |
| */ |
| #define USART_PRESCALER_DIV1 0x00000000U /*!< fclk_pres = fclk */ |
| #define USART_PRESCALER_DIV2 0x00000001U /*!< fclk_pres = fclk/2 */ |
| #define USART_PRESCALER_DIV4 0x00000002U /*!< fclk_pres = fclk/4 */ |
| #define USART_PRESCALER_DIV6 0x00000003U /*!< fclk_pres = fclk/6 */ |
| #define USART_PRESCALER_DIV8 0x00000004U /*!< fclk_pres = fclk/8 */ |
| #define USART_PRESCALER_DIV10 0x00000005U /*!< fclk_pres = fclk/10 */ |
| #define USART_PRESCALER_DIV12 0x00000006U /*!< fclk_pres = fclk/12 */ |
| #define USART_PRESCALER_DIV16 0x00000007U /*!< fclk_pres = fclk/16 */ |
| #define USART_PRESCALER_DIV32 0x00000008U /*!< fclk_pres = fclk/32 */ |
| #define USART_PRESCALER_DIV64 0x00000009U /*!< fclk_pres = fclk/64 */ |
| #define USART_PRESCALER_DIV128 0x0000000AU /*!< fclk_pres = fclk/128 */ |
| #define USART_PRESCALER_DIV256 0x0000000BU /*!< fclk_pres = fclk/256 */ |
| |
| /** |
| * @} |
| */ |
| #endif /* USART_PRESC_PRESCALER */ |
| |
| /** @defgroup USART_Request_Parameters USART Request Parameters |
| * @{ |
| */ |
| #define USART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */ |
| #define USART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Flags USART Flags |
| * Elements values convention: 0xXXXX |
| * - 0xXXXX : Flag mask in the ISR register |
| * @{ |
| */ |
| #if defined(USART_CR1_FIFOEN) |
| #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 Full flag */ |
| #define USART_FLAG_TXFE USART_ISR_TXFE /*!< USART TXFIFO Empty flag */ |
| #endif /* USART_CR1_FIFOEN */ |
| #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 */ |
| #if defined(USART_CR2_SLVEN) |
| #define USART_FLAG_UDR USART_ISR_UDR /*!< SPI slave underrun error flag */ |
| #endif /* USART_CR2_SLVEN */ |
| #if defined(USART_CR1_FIFOEN) |
| #define USART_FLAG_TXE USART_ISR_TXE_TXFNF /*!< USART transmit data register empty */ |
| #define USART_FLAG_TXFNF USART_ISR_TXE_TXFNF /*!< USART TXFIFO not full */ |
| #else |
| #define USART_FLAG_TXE USART_ISR_TXE /*!< USART transmit data register empty */ |
| #endif /* USART_CR1_FIFOEN */ |
| #define USART_FLAG_RTOF USART_ISR_RTOF /*!< USART receiver timeout flag */ |
| #define USART_FLAG_TC USART_ISR_TC /*!< USART transmission complete */ |
| #if defined(USART_CR1_FIFOEN) |
| #define USART_FLAG_RXNE USART_ISR_RXNE_RXFNE /*!< USART read data register not empty */ |
| #define USART_FLAG_RXFNE USART_ISR_RXNE_RXFNE /*!< USART RXFIFO not empty */ |
| #else |
| #define USART_FLAG_RXNE USART_ISR_RXNE /*!< USART read data register not empty */ |
| #endif /* USART_CR1_FIFOEN */ |
| #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(4bits) |
| * @{ |
| */ |
| |
| #define USART_IT_PE 0x0028U /*!< USART parity error interruption */ |
| #define USART_IT_TXE 0x0727U /*!< USART transmit data register empty interruption */ |
| #if defined(USART_CR1_FIFOEN) |
| #define USART_IT_TXFNF 0x0727U /*!< USART TX FIFO not full interruption */ |
| #endif /* USART_CR1_FIFOEN */ |
| #define USART_IT_TC 0x0626U /*!< USART transmission complete interruption */ |
| #define USART_IT_RXNE 0x0525U /*!< USART read data register not empty interruption */ |
| #if defined(USART_CR1_FIFOEN) |
| #define USART_IT_RXFNE 0x0525U /*!< USART RXFIFO not empty interruption */ |
| #endif /* USART_CR1_FIFOEN */ |
| #define USART_IT_IDLE 0x0424U /*!< USART idle interruption */ |
| #define USART_IT_ERR 0x0060U /*!< USART error interruption */ |
| #define USART_IT_ORE 0x0300U /*!< USART overrun error interruption */ |
| #define USART_IT_NE 0x0200U /*!< USART noise error interruption */ |
| #define USART_IT_FE 0x0100U /*!< USART frame error interruption */ |
| #if defined(USART_CR1_FIFOEN) |
| #define USART_IT_RXFF 0x183FU /*!< USART RXFIFO full interruption */ |
| #define USART_IT_TXFE 0x173EU /*!< USART TXFIFO empty interruption */ |
| #define USART_IT_RXFT 0x1A7CU /*!< USART RXFIFO threshold reached interruption */ |
| #define USART_IT_TXFT 0x1B77U /*!< USART TXFIFO threshold reached interruption */ |
| #endif /* USART_CR1_FIFOEN */ |
| |
| /** |
| * @} |
| */ |
| |
| /** @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_NECF /*!< Noise Error 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 */ |
| #if defined(USART_CR2_SLVEN) |
| #define USART_CLEAR_UDRF USART_ICR_UDRCF /*!< SPI slave underrun error Clear Flag */ |
| #endif /* USART_CR2_SLVEN */ |
| #if defined(USART_CR1_FIFOEN) |
| #define USART_CLEAR_TXFECF USART_ICR_TXFECF /*!< TXFIFO Empty Clear Flag */ |
| #endif /* USART_CR1_FIFOEN */ |
| #define USART_CLEAR_RTOF USART_ICR_RTOCF /*!< USART receiver timeout clear flag */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Interruption_Mask USART Interruption Flags Mask |
| * @{ |
| */ |
| #define USART_IT_MASK 0x001FU /*!< USART interruptions flags mask */ |
| #define USART_CR_MASK 0x00E0U /*!< USART control register mask */ |
| #define USART_CR_POS 5U /*!< USART control register position */ |
| #define USART_ISR_MASK 0x1F00U /*!< USART ISR register mask */ |
| #define USART_ISR_POS 8U /*!< USART ISR register position */ |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported macros -----------------------------------------------------------*/ |
| /** @defgroup USART_Exported_Macros USART Exported Macros |
| * @{ |
| */ |
| |
| /** @brief Reset USART handle state. |
| * @param __HANDLE__ USART handle. |
| * @retval None |
| */ |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) do{ \ |
| (__HANDLE__)->State = HAL_USART_STATE_RESET; \ |
| (__HANDLE__)->MspInitCallback = NULL; \ |
| (__HANDLE__)->MspDeInitCallback = NULL; \ |
| } while(0U) |
| #else |
| #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET) |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| |
| /** @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 @ref USART_FLAG_TXFT TXFIFO threshold flag |
| * @arg @ref USART_FLAG_RXFT RXFIFO threshold flag |
| * @arg @ref USART_FLAG_RXFF RXFIFO Full flag |
| * @arg @ref USART_FLAG_TXFE TXFIFO Empty flag |
| * @arg @ref USART_FLAG_REACK Receive enable acknowledge flag |
| * @arg @ref USART_FLAG_TEACK Transmit enable acknowledge flag |
| * @arg @ref USART_FLAG_BUSY Busy flag |
| * @arg @ref USART_FLAG_UDR SPI slave underrun error flag |
| * @arg @ref USART_FLAG_TXE Transmit data register empty flag |
| * @arg @ref USART_FLAG_TXFNF TXFIFO not full flag |
| * @arg @ref USART_FLAG_TC Transmission Complete flag |
| * @arg @ref USART_FLAG_RXNE Receive data register not empty flag |
| * @arg @ref USART_FLAG_RXFNE RXFIFO not empty flag |
| * @arg @ref USART_FLAG_RTOF Receiver Timeout flag |
| * @arg @ref USART_FLAG_IDLE Idle Line detection flag |
| * @arg @ref USART_FLAG_ORE OverRun Error flag |
| * @arg @ref USART_FLAG_NE Noise Error flag |
| * @arg @ref USART_FLAG_FE Framing Error flag |
| * @arg @ref 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 @ref USART_CLEAR_PEF Parity Error Clear Flag |
| * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag |
| * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag |
| * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag |
| * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag |
| * @arg @ref USART_CLEAR_TXFECF TXFIFO empty clear Flag |
| * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag |
| * @arg @ref USART_CLEAR_RTOF Receiver Timeout clear flag |
| * @arg @ref USART_CLEAR_UDRF SPI slave underrun error Clear Flag |
| * @retval None |
| */ |
| #define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__)) |
| |
| /** @brief Clear the USART PE pending flag. |
| * @param __HANDLE__ specifies the USART Handle. |
| * @retval None |
| */ |
| #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__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_FLAG((__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_FLAG((__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_FLAG((__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_FLAG((__HANDLE__), USART_CLEAR_IDLEF) |
| |
| #if defined(USART_CR1_FIFOEN) |
| /** @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_FLAG((__HANDLE__), USART_CLEAR_TXFECF) |
| #endif /* USART_CR1_FIFOEN */ |
| |
| #if defined(USART_CR2_SLVEN) |
| /** @brief Clear SPI slave underrun error flag. |
| * @param __HANDLE__ specifies the USART Handle. |
| * @retval None |
| */ |
| #define __HAL_USART_CLEAR_UDRFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_UDRF) |
| #endif /* USART_CR2_SLVEN */ |
| |
| /** @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 @ref USART_IT_RXFF RXFIFO Full interrupt |
| * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt |
| * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt |
| * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt |
| * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt |
| * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt |
| * @arg @ref USART_IT_TC Transmission complete interrupt |
| * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt |
| * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt |
| * @arg @ref USART_IT_IDLE Idle line detection interrupt |
| * @arg @ref USART_IT_PE Parity Error interrupt |
| * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error) |
| * @retval None |
| */ |
| #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__)\ |
| (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\ |
| ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ |
| ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\ |
| ((__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 @ref USART_IT_RXFF RXFIFO Full interrupt |
| * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt |
| * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt |
| * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt |
| * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt |
| * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt |
| * @arg @ref USART_IT_TC Transmission complete interrupt |
| * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt |
| * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt |
| * @arg @ref USART_IT_IDLE Idle line detection interrupt |
| * @arg @ref USART_IT_PE Parity Error interrupt |
| * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error) |
| * @retval None |
| */ |
| #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__)\ |
| (((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 1U)?\ |
| ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ |
| ((((__INTERRUPT__) & USART_CR_MASK) >> USART_CR_POS) == 2U)?\ |
| ((__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 __INTERRUPT__ specifies the USART interrupt source to check. |
| * This parameter can be one of the following values: |
| * @arg @ref USART_IT_RXFF RXFIFO Full interrupt |
| * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt |
| * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt |
| * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt |
| * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt |
| * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt |
| * @arg @ref USART_IT_TC Transmission complete interrupt |
| * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt |
| * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt |
| * @arg @ref USART_IT_IDLE Idle line detection interrupt |
| * @arg @ref USART_IT_ORE OverRun Error interrupt |
| * @arg @ref USART_IT_NE Noise Error interrupt |
| * @arg @ref USART_IT_FE Framing Error interrupt |
| * @arg @ref USART_IT_PE Parity Error interrupt |
| * @retval The new state of __INTERRUPT__ (SET or RESET). |
| */ |
| #define __HAL_USART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR\ |
| & (0x01U << (((__INTERRUPT__) & USART_ISR_MASK)>>\ |
| USART_ISR_POS))) != 0U) ? SET : RESET) |
| |
| /** @brief Check whether the specified USART interrupt source is enabled or not. |
| * @param __HANDLE__ specifies the USART Handle. |
| * @param __INTERRUPT__ specifies the USART interrupt source to check. |
| * This parameter can be one of the following values: |
| * @arg @ref USART_IT_RXFF RXFIFO Full interrupt |
| * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt |
| * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt |
| * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt |
| * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt |
| * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt |
| * @arg @ref USART_IT_TC Transmission complete interrupt |
| * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt |
| * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt |
| * @arg @ref USART_IT_IDLE Idle line detection interrupt |
| * @arg @ref USART_IT_ORE OverRun Error interrupt |
| * @arg @ref USART_IT_NE Noise Error interrupt |
| * @arg @ref USART_IT_FE Framing Error interrupt |
| * @arg @ref USART_IT_PE Parity Error interrupt |
| * @retval The new state of __INTERRUPT__ (SET or RESET). |
| */ |
| #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x01U) ?\ |
| (__HANDLE__)->Instance->CR1 : \ |
| (((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x02U) ?\ |
| (__HANDLE__)->Instance->CR2 : \ |
| (__HANDLE__)->Instance->CR3)) & (0x01U <<\ |
| (((uint16_t)(__INTERRUPT__)) &\ |
| USART_IT_MASK))) != 0U) ? SET : RESET) |
| |
| /** @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 @ref USART_CLEAR_PEF Parity Error Clear Flag |
| * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag |
| * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag |
| * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag |
| * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag |
| * @arg @ref USART_CLEAR_RTOF Receiver timeout clear flag |
| * @arg @ref USART_CLEAR_TXFECF TXFIFO empty clear Flag |
| * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag |
| * @retval None |
| */ |
| #define __HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__)) |
| |
| /** @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 @ref USART_RXDATA_FLUSH_REQUEST Receive Data flush Request |
| * @arg @ref USART_TXDATA_FLUSH_REQUEST Transmit data flush Request |
| * |
| * @retval None |
| */ |
| #define __HAL_USART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__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 &= ~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 macros --------------------------------------------------------*/ |
| /** @defgroup USART_Private_Macros USART Private Macros |
| * @{ |
| */ |
| |
| #if defined(USART_PRESC_PRESCALER) |
| /** @brief Get USART clock division factor from clock prescaler value. |
| * @param __CLOCKPRESCALER__ USART prescaler value. |
| * @retval USART clock division factor |
| */ |
| #define USART_GET_DIV_FACTOR(__CLOCKPRESCALER__) \ |
| (((__CLOCKPRESCALER__) == USART_PRESCALER_DIV1) ? 1U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV2) ? 2U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV4) ? 4U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV6) ? 6U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV8) ? 8U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV10) ? 10U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV12) ? 12U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV16) ? 16U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV32) ? 32U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV64) ? 64U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV128) ? 128U : \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV256) ? 256U : 1U) |
| |
| /** @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 __CLOCKPRESCALER__ USART prescaler value. |
| * @retval Division result |
| */ |
| #define USART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__)\ |
| (((((__PCLK__)/USART_GET_DIV_FACTOR(__CLOCKPRESCALER__))*2U)\ |
| + ((__BAUD__)/2U)) / (__BAUD__)) |
| #else |
| /** @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. |
| * @retval Division result |
| */ |
| #define USART_DIV_SAMPLING8(__PCLK__, __BAUD__) ((((__PCLK__)*2U) + ((__BAUD__)/2U)) / (__BAUD__)) |
| #endif /* USART_PRESC_PRESCALER */ |
| |
| /** @brief Check USART Baud rate. |
| * @param __BAUDRATE__ Baudrate specified by the user. |
| * The maximum Baud Rate is derived from the maximum clock on L4 |
| * divided by the smallest oversampling used on the USART (i.e. 8) |
| * (i.e. 120 MHz on STM32L4Rx/L4Sx, 80 Mhz otherwise) |
| * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid) |
| */ |
| #if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx) |
| #define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 15000000U) |
| #else |
| #define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 10000000U) |
| #endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */ |
| |
| /** |
| * @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__) & 0xFFFFFFF3U) == 0x00U) && ((__MODE__) != 0x00U)) |
| |
| /** |
| * @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)) |
| |
| #if defined(USART_PRESC_PRESCALER) |
| /** |
| * @brief Ensure that USART Prescaler is valid. |
| * @param __CLOCKPRESCALER__ USART Prescaler value. |
| * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid) |
| */ |
| #define IS_USART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == USART_PRESCALER_DIV1) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV2) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV4) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV6) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV8) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV10) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV12) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV16) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV32) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV64) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV128) || \ |
| ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV256)) |
| |
| #endif /* USART_PRESC_PRESCALER */ |
| /** |
| * @} |
| */ |
| |
| /* Include USART HAL Extended module */ |
| #include "stm32l4xx_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); |
| |
| /* Callbacks Register/UnRegister functions ***********************************/ |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| HAL_StatusTypeDef HAL_USART_RegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID, |
| pUSART_CallbackTypeDef pCallback); |
| HAL_StatusTypeDef HAL_USART_UnRegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID); |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| |
| /** |
| * @} |
| */ |
| |
| /** @addtogroup USART_Exported_Functions_Group2 IO operation functions |
| * @{ |
| */ |
| |
| /* IO operation functions *****************************************************/ |
| HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, const 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, const uint8_t *pTxData, uint8_t *pRxData, |
| uint16_t Size, uint32_t Timeout); |
| HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, const 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, const uint8_t *pTxData, uint8_t *pRxData, |
| uint16_t Size); |
| HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, const 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, const 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); |
| |
| /** |
| * @} |
| */ |
| |
| /** @addtogroup USART_Exported_Functions_Group4 Peripheral State and Error functions |
| * @{ |
| */ |
| |
| /* Peripheral State and Error functions ***************************************/ |
| HAL_USART_StateTypeDef HAL_USART_GetState(const USART_HandleTypeDef *husart); |
| uint32_t HAL_USART_GetError(const USART_HandleTypeDef *husart); |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* STM32L4xx_HAL_USART_H */ |
| |
