Macros
TX FIFO Threshold
Peripheral Driver » LL Driver » UART » Defines » UART Exported Constants

## Macros
#define | LL_UART_TX_FIFO_TH_EMPTY 0x00000000U
#define | LL_UART_TX_FIFO_TH_CHAR_2 0x00000001U
#define | LL_UART_TX_FIFO_TH_QUARTER_FULL 0x00000002U
#define | LL_UART_TX_FIFO_TH_HALF_FULL 0x00000003U

## Detailed Description

## Macro Definition Documentation

## ◆ LL_UART_TX_FIFO_TH_CHAR_2

#define LL_UART_TX_FIFO_TH_CHAR_2 0x00000001U

2 characters in TX FIFO

Definition at line 190 of file ll_uart.h.

## ◆ LL_UART_TX_FIFO_TH_EMPTY

#define LL_UART_TX_FIFO_TH_EMPTY 0x00000000U

TX FIFO empty

Definition at line 189 of file ll_uart.h.

## ◆ LL_UART_TX_FIFO_TH_HALF_FULL

#define LL_UART_TX_FIFO_TH_HALF_FULL 0x00000003U

TX FIFO 1/2 full

Definition at line 192 of file ll_uart.h.

## ◆ LL_UART_TX_FIFO_TH_QUARTER_FULL

#define LL_UART_TX_FIFO_TH_QUARTER_FULL 0x00000002U

TX FIFO 1/4 full

Definition at line 191 of file ll_uart.h.