Macros
TX FIFO Threshold
Peripheral Driver » LL Driver » UART » Defines » UART Exported Constants
Collaboration diagram for TX FIFO Threshold:

## Macros
#define | LL_UART_TX_FIFO_TH_EMPTY 0x00000000U
| TX FIFO empty. More...
#define | LL_UART_TX_FIFO_TH_CHAR_2 0x00000001U
| 2 characters in TX FIFO More...
#define | LL_UART_TX_FIFO_TH_QUARTER_FULL 0x00000002U
| TX FIFO 1/4 full. More...
#define | LL_UART_TX_FIFO_TH_HALF_FULL 0x00000003U
| TX FIFO 1/2 full. More...

## 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 gr55xx_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 gr55xx_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 gr55xx_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 gr55xx_ll_uart.h.