Macros
UART Request Parameters
Peripheral Driver » HAL Driver » UART » Defines » UART Exported Constants

## Macros
#define | UART_RXDATA_FLUSH_REQUEST UART_SRR_RFR
#define | UART_TXDATA_FLUSH_REQUEST UART_SRR_XFR
#define | UART_TXRXDATA_FLUSH_REQUEST (UART_SRR_XFR | UART_SRR_RFR)

## Detailed Description

## Macro Definition Documentation

## ◆ UART_RXDATA_FLUSH_REQUEST

#define UART_RXDATA_FLUSH_REQUEST UART_SRR_RFR

RX FIFO flush Request

Definition at line 305 of file gr55xx_hal_uart.h.

## ◆ UART_TXDATA_FLUSH_REQUEST

#define UART_TXDATA_FLUSH_REQUEST UART_SRR_XFR

TX FIFO flush Request

Definition at line 306 of file gr55xx_hal_uart.h.

## ◆ UART_TXRXDATA_FLUSH_REQUEST

#define UART_TXRXDATA_FLUSH_REQUEST (UART_SRR_XFR | UART_SRR_RFR)

TX FIFO and RX FIFO flush Request

Definition at line 307 of file gr55xx_hal_uart.h.