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HAL_USART_TransmitReceive() function
Full-Duplex Send and Receive an amount of data in full-duplex mode (blocking mode).
Syntax
HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart,
const uint8_t *pTxData,
uint8_t *pRxData,
uint16_t Size,
uint32_t Timeout);
Implemented in ![]()
stm32f4xx_hal_usart.c:933
Return value
HAL status
Notes
When USART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), the sent data and the received data are handled as sets of u16. In this case, Size must indicate the number of u16 available through pTxData and through pRxData.
Related Functions
Found 35 other functions taking a ![]()
__USART_HandleTypeDef
argument:
Function
Description
This function handles USART Communication Timeout. It waits until a flag is no longer in the specified status.
USART error callbacks.
Rx Transfer completed callbacks.
Tx/Rx Transfers completed callback for the non-blocking process.
USART Abort Complete callback.
End ongoing Rx transfer on USART peripheral (following error detection or Reception completion).
Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking).
Tx Transfer completed callbacks.
End ongoing Tx transfer on USART peripheral (following error detection or Transmit completion).
Simplex Receive an amount of data in non-blocking mode.
Tx Half Transfer completed callbacks.
Rx Half Transfer completed callbacks.
USART MSP Init.
USART MSP DeInit.
Simplex Send an amount of data in non-blocking mode.
Wraps up transmission in non blocking mode.
Configures the USART peripheral.
Simplex Send an amount of data in non-blocking mode.
Simplex Receive an amount of data in non-blocking mode.
Full-Duplex Send and Receive an amount of data in full-duplex mode (non-blocking).
Simplex Send an amount of data in DMA mode.
Full-Duplex Receive an amount of data in DMA mode.
Full-Duplex Transmit Receive an amount of data in DMA mode.
Pauses the DMA Transfer.
Resumes the DMA Transfer.
Stops the DMA Transfer.
Abort ongoing transfer (blocking mode).
Abort ongoing transfer (Interrupt mode).
This function handles USART interrupt request.
Returns the USART state.
Return the USART error code
Initialize the USART mode according to the specified parameters in the USART_InitTypeDef and initialize the associated handle.
DeInitializes the USART peripheral.
Simplex Send an amount of data in blocking mode.
Full-Duplex Receive an amount of data in blocking mode.
References
Code
Location
Call Tree
HAL_USART_TransmitReceive() calls 2 functions:
Data Use
HAL_USART_TransmitReceive() reads 18 variables and writes 8 variables: