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TARGET_ARCH_MAX/stm32f4xx_hal_uart.h
- Committer:
- bogdanm
- Date:
- 2014-09-12
- Revision:
- 89:552587b429a1
- Child:
- 92:4fc01daae5a5
File content as of revision 89:552587b429a1:
/** ****************************************************************************** * @file stm32f4xx_hal_uart.h * @author MCD Application Team * @version V1.1.0RC2 * @date 14-May-2014 * @brief Header file of UART HAL module. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32F4xx_HAL_UART_H #define __STM32F4xx_HAL_UART_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_hal_def.h" /** @addtogroup STM32F4xx_HAL_Driver * @{ */ /** @addtogroup UART * @{ */ /* Exported types ------------------------------------------------------------*/ /** * @brief UART Init Structure definition */ typedef struct { uint32_t BaudRate; /*!< This member configures the UART communication baud rate. The baud rate is computed using the following formula: - IntegerDivider = ((PCLKx) / (8 * (OVR8+1) * (huart->Init.BaudRate))) - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8 * (OVR8+1)) + 0.5 Where OVR8 is the "oversampling by 8 mode" configuration bit in the CR1 register. */ uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame. This parameter can be a value of @ref UART_Word_Length */ uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. This parameter can be a value of @ref UART_Stop_Bits */ uint32_t Parity; /*!< Specifies the parity mode. This parameter can be a value of @ref UART_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 wether the Receive or Transmit mode is enabled or disabled. This parameter can be a value of @ref UART_Mode */ uint32_t HwFlowCtl; /*!< Specifies wether the hardware flow control mode is enabled or disabled. This parameter can be a value of @ref UART_Hardware_Flow_Control */ uint32_t OverSampling; /*!< Specifies wether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8). This parameter can be a value of @ref UART_Over_Sampling */ }UART_InitTypeDef; /** * @brief HAL UART State structures definition */ typedef enum { HAL_UART_STATE_RESET = 0x00, /*!< Peripheral is not yet Initialized */ HAL_UART_STATE_READY = 0x01, /*!< Peripheral Initialized and ready for use */ HAL_UART_STATE_BUSY = 0x02, /*!< an internal process is ongoing */ HAL_UART_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */ HAL_UART_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */ HAL_UART_STATE_BUSY_TX_RX = 0x32, /*!< Data Transmission and Reception process is ongoing */ HAL_UART_STATE_TIMEOUT = 0x03, /*!< Timeout state */ HAL_UART_STATE_ERROR = 0x04 /*!< Error */ }HAL_UART_StateTypeDef; /** * @brief HAL UART Error Code structure definition */ typedef enum { HAL_UART_ERROR_NONE = 0x00, /*!< No error */ HAL_UART_ERROR_PE = 0x01, /*!< Parity error */ HAL_UART_ERROR_NE = 0x02, /*!< Noise error */ HAL_UART_ERROR_FE = 0x04, /*!< frame error */ HAL_UART_ERROR_ORE = 0x08, /*!< Overrun error */ HAL_UART_ERROR_DMA = 0x10 /*!< DMA transfer error */ }HAL_UART_ErrorTypeDef; /** * @brief UART handle Structure definition */ typedef struct { USART_TypeDef *Instance; /* UART registers base address */ UART_InitTypeDef Init; /* UART communication parameters */ uint8_t *pTxBuffPtr; /* Pointer to UART Tx transfer Buffer */ uint16_t TxXferSize; /* UART Tx Transfer size */ uint16_t TxXferCount; /* UART Tx Transfer Counter */ uint8_t *pRxBuffPtr; /* Pointer to UART Rx transfer Buffer */ uint16_t RxXferSize; /* UART Rx Transfer size */ uint16_t RxXferCount; /* UART Rx Transfer Counter */ DMA_HandleTypeDef *hdmatx; /* UART Tx DMA Handle parameters */ DMA_HandleTypeDef *hdmarx; /* UART Rx DMA Handle parameters */ HAL_LockTypeDef Lock; /* Locking object */ __IO HAL_UART_StateTypeDef State; /* UART communication state */ __IO HAL_UART_ErrorTypeDef ErrorCode; /* UART Error code */ }UART_HandleTypeDef; /* Exported constants --------------------------------------------------------*/ /** @defgroup UART_Exported_Constants * @{ */ /** @defgroup UART_Word_Length * @{ */ #define UART_WORDLENGTH_8B ((uint32_t)0x00000000) #define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M) #define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \ ((LENGTH) == UART_WORDLENGTH_9B)) /** * @} */ /** @defgroup UART_Stop_Bits * @{ */ #define UART_STOPBITS_1 ((uint32_t)0x00000000) #define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1) #define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \ ((STOPBITS) == UART_STOPBITS_2)) /** * @} */ /** @defgroup UART_Parity * @{ */ #define UART_PARITY_NONE ((uint32_t)0x00000000) #define UART_PARITY_EVEN ((uint32_t)USART_CR1_PCE) #define UART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS)) #define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \ ((PARITY) == UART_PARITY_EVEN) || \ ((PARITY) == UART_PARITY_ODD)) /** * @} */ /** @defgroup UART_Hardware_Flow_Control * @{ */ #define UART_HWCONTROL_NONE ((uint32_t)0x00000000) #define UART_HWCONTROL_RTS ((uint32_t)USART_CR3_RTSE) #define UART_HWCONTROL_CTS ((uint32_t)USART_CR3_CTSE) #define UART_HWCONTROL_RTS_CTS ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE)) #define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\ (((CONTROL) == UART_HWCONTROL_NONE) || \ ((CONTROL) == UART_HWCONTROL_RTS) || \ ((CONTROL) == UART_HWCONTROL_CTS) || \ ((CONTROL) == UART_HWCONTROL_RTS_CTS)) /** * @} */ /** @defgroup UART_Mode * @{ */ #define UART_MODE_RX ((uint32_t)USART_CR1_RE) #define UART_MODE_TX ((uint32_t)USART_CR1_TE) #define UART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE)) #define IS_UART_MODE(MODE) ((((MODE) & (uint32_t)0x0000FFF3) == 0x00) && ((MODE) != (uint32_t)0x000000)) /** * @} */ /** @defgroup UART_State * @{ */ #define UART_STATE_DISABLE ((uint32_t)0x00000000) #define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE) #define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \ ((STATE) == UART_STATE_ENABLE)) /** * @} */ /** @defgroup UART_Over_Sampling * @{ */ #define UART_OVERSAMPLING_16 ((uint32_t)0x00000000) #define UART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8) #define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \ ((SAMPLING) == UART_OVERSAMPLING_8)) /** * @} */ /** @defgroup UART_LIN_Break_Detection_Length * @{ */ #define UART_LINBREAKDETECTLENGTH_10B ((uint32_t)0x00000000) #define UART_LINBREAKDETECTLENGTH_11B ((uint32_t)0x00000020) #define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \ ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B)) /** * @} */ /** @defgroup UART_WakeUp_functions * @{ */ #define UART_WAKEUPMETHODE_IDLELINE ((uint32_t)0x00000000) #define UART_WAKEUPMETHODE_ADDRESSMARK ((uint32_t)0x00000800) #define IS_UART_WAKEUPMETHODE(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHODE_IDLELINE) || \ ((WAKEUP) == UART_WAKEUPMETHODE_ADDRESSMARK)) /** * @} */ /** @defgroup UART_Flags * Elements values convention: 0xXXXX * - 0xXXXX : Flag mask in the SR register * @{ */ #define UART_FLAG_CTS ((uint32_t)0x00000200) #define UART_FLAG_LBD ((uint32_t)0x00000100) #define UART_FLAG_TXE ((uint32_t)0x00000080) #define UART_FLAG_TC ((uint32_t)0x00000040) #define UART_FLAG_RXNE ((uint32_t)0x00000020) #define UART_FLAG_IDLE ((uint32_t)0x00000010) #define UART_FLAG_ORE ((uint32_t)0x00000008) #define UART_FLAG_NE ((uint32_t)0x00000004) #define UART_FLAG_FE ((uint32_t)0x00000002) #define UART_FLAG_PE ((uint32_t)0x00000001) /** * @} */ /** @defgroup UART_Interrupt_definition * Elements values convention: 0xY000XXXX * - XXXX : Interrupt mask in the XX register * - Y : Interrupt source register (2bits) * - 01: CR1 register * - 10: CR2 register * - 11: CR3 register * * @{ */ #define UART_IT_PE ((uint32_t)0x10000100) #define UART_IT_TXE ((uint32_t)0x10000080) #define UART_IT_TC ((uint32_t)0x10000040) #define UART_IT_RXNE ((uint32_t)0x10000020) #define UART_IT_IDLE ((uint32_t)0x10000010) #define UART_IT_LBD ((uint32_t)0x20000040) #define UART_IT_CTS ((uint32_t)0x30000400) #define UART_IT_ERR ((uint32_t)0x30000001) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @brief Reset UART handle state * @param __HANDLE__: specifies the UART Handle. * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or * UART peripheral. * @retval None */ #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_UART_STATE_RESET) /** @brief Flushs the UART DR register * @param __HANDLE__: specifies the UART Handle. */ #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR) /** @brief Checks whether the specified UART flag is set or not. * @param __HANDLE__: specifies the UART Handle. * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or * UART peripheral. * @param __FLAG__: specifies the flag to check. * This parameter can be one of the following values: * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5) * @arg UART_FLAG_LBD: LIN Break detection flag * @arg UART_FLAG_TXE: Transmit data register empty flag * @arg UART_FLAG_TC: Transmission Complete flag * @arg UART_FLAG_RXNE: Receive data register not empty flag * @arg UART_FLAG_IDLE: Idle Line detection flag * @arg UART_FLAG_ORE: OverRun Error flag * @arg UART_FLAG_NE: Noise Error flag * @arg UART_FLAG_FE: Framing Error flag * @arg UART_FLAG_PE: Parity Error flag * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__)) /** @brief Clears the specified UART pending flag. * @param __HANDLE__: specifies the UART Handle. * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or * UART peripheral. * @param __FLAG__: specifies the flag to check. * This parameter can be any combination of the following values: * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5). * @arg UART_FLAG_LBD: LIN Break detection flag. * @arg UART_FLAG_TC: Transmission Complete flag. * @arg UART_FLAG_RXNE: Receive data register not empty flag. * * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun * error) and IDLE (Idle line detected) flags are cleared by software * sequence: a read operation to USART_SR register followed by a read * operation to USART_DR register. * @note RXNE flag can be also cleared by a read to the USART_DR register. * @note TC flag can be also cleared by software sequence: a read operation to * USART_SR register followed by a write operation to USART_DR register. * @note TXE flag is cleared only by a write to the USART_DR register. * * @retval None */ #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR &= ~(__FLAG__)) /** @brief Enables or disables the specified UART interrupt. * @param __HANDLE__: specifies the UART Handle. * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or * UART peripheral. * @param __INTERRUPT__: specifies the UART interrupt source to check. * This parameter can be one of the following values: * @arg UART_IT_CTS: CTS change interrupt * @arg UART_IT_LBD: LIN Break detection interrupt * @arg UART_IT_TXE: Transmit Data Register empty interrupt * @arg UART_IT_TC: Transmission complete interrupt * @arg UART_IT_RXNE: Receive Data register not empty interrupt * @arg UART_IT_IDLE: Idle line detection interrupt * @arg UART_IT_PE: Parity Error interrupt * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error) * @param NewState: new state of the specified UART interrupt. * This parameter can be: ENABLE or DISABLE. * @retval None */ #define UART_IT_MASK ((uint32_t)0x0000FFFF) #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \ (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \ ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK))) #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \ (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \ ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK))) /** @brief Checks whether the specified UART interrupt has occurred or not. * @param __HANDLE__: specifies the UART Handle. * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or * UART peripheral. * @param __IT__: specifies the UART interrupt source to check. * This parameter can be one of the following values: * @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5) * @arg UART_IT_LBD: LIN Break detection interrupt * @arg UART_IT_TXE: Transmit Data Register empty interrupt * @arg UART_IT_TC: Transmission complete interrupt * @arg UART_IT_RXNE: Receive Data register not empty interrupt * @arg UART_IT_IDLE: Idle line detection interrupt * @arg USART_IT_ERR: Error interrupt * @retval The new state of __IT__ (TRUE or FALSE). */ #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28) == 1)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28) == 2)? \ (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK)) /** @brief macros to enables or disables the UART's one bit sampling method * @param __HANDLE__: specifies the UART Handle. * @retval None */ #define __HAL_UART_ONEBIT_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT) #define __HAL_UART_ONEBIT_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT)) #define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE) #define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE) #define __DIV_SAMPLING16(_PCLK_, _BAUD_) (((_PCLK_)*25)/(4*(_BAUD_))) #define __DIVMANT_SAMPLING16(_PCLK_, _BAUD_) (__DIV_SAMPLING16((_PCLK_), (_BAUD_))/100) #define __DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_) (((__DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (__DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100) #define __UART_BRR_SAMPLING16(_PCLK_, _BAUD_) ((__DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4)|(__DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0F)) #define __DIV_SAMPLING8(_PCLK_, _BAUD_) (((_PCLK_)*25)/(2*(_BAUD_))) #define __DIVMANT_SAMPLING8(_PCLK_, _BAUD_) (__DIV_SAMPLING8((_PCLK_), (_BAUD_))/100) #define __DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_) (((__DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (__DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100) #define __UART_BRR_SAMPLING8(_PCLK_, _BAUD_) ((__DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4)|(__DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x0F)) #define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001) #define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0xF) /* Exported functions --------------------------------------------------------*/ /* Initialization/de-initialization functions **********************************/ HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength); HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethode); HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart); void HAL_UART_MspInit(UART_HandleTypeDef *huart); void HAL_UART_MspDeInit(UART_HandleTypeDef *huart); /* IO operation functions *******************************************************/ HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart); void HAL_UART_IRQHandler(UART_HandleTypeDef *huart); void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart); void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart); void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart); void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart); void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart); /* Peripheral Control functions ************************************************/ HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart); HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart); /* Peripheral State functions **************************************************/ HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart); uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart); /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F4xx_HAL_UART_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/