Collaboration diagram for FIFO Control Register bits:

Macros
#define	USART_FCR_FIFOEN BIT0
	Enable both UART RX and TX FIFOs, must be set before writing rest of FCR. More...

#define	USART_FCR_RXFIFORST BIT1
	RX FIFO Reset. More...

#define	USART_FCR_TXFIFORST BIT2
	TX FIFO Reset. More...

#define	USART_FCR_TXTL_MASK (3)

#define	USART_FCR_TXTL_SHIFT 4

#define	USART_FCR_TXTL(txtl) (((txtl) & USART_FCR_TXTL_MASK) << USART_FCR_TXTL_SHIFT)
	TX Trigger Level. More...

#define	USART_FCR_RXTL_MASK (3)

#define	USART_FCR_RXTL_SHIFT 6

#define	USART_FCR_RXTL(rxtl) (((rxtl) & USART_FCR_RXTL_MASK) << USART_FCR_RXTL_SHIFT)
	RX Trigger Level. More...

#define	USART_FIFO_TRIG_1CHAR (0)

#define	USART_FIFO_TRIG_4CHAR (1)

#define	USART_FIFO_TRIG_8CHAR (2)

#define	USART_FIFO_TRIG_14CHAR (3)

Detailed Description

Macro Definition Documentation

◆ USART_FCR_FIFOEN

#define USART_FCR_FIFOEN BIT0

Enable both UART RX and TX FIFOs, must be set before writing rest of FCR.

Definition at line 91 of file usart.h.

◆ USART_FCR_RXFIFORST

#define USART_FCR_RXFIFORST BIT1

RX FIFO Reset.

Write 1 to clear. This bit is self-clearing.

Definition at line 93 of file usart.h.

◆ USART_FCR_RXTL

#define USART_FCR_RXTL ( rxtl ) (((rxtl) & USART_FCR_RXTL_MASK) << USART_FCR_RXTL_SHIFT)

RX Trigger Level.

Definition at line 103 of file usart.h.

◆ USART_FCR_RXTL_MASK

#define USART_FCR_RXTL_MASK (3)

Definition at line 100 of file usart.h.

◆ USART_FCR_RXTL_SHIFT

#define USART_FCR_RXTL_SHIFT 6

Definition at line 101 of file usart.h.

◆ USART_FCR_TXFIFORST

#define USART_FCR_TXFIFORST BIT2

TX FIFO Reset.

Write 1 to clear. This bit is self-clearing.

Definition at line 95 of file usart.h.

◆ USART_FCR_TXTL

#define USART_FCR_TXTL ( txtl ) (((txtl) & USART_FCR_TXTL_MASK) << USART_FCR_TXTL_SHIFT)

TX Trigger Level.

Definition at line 99 of file usart.h.

◆ USART_FCR_TXTL_MASK

#define USART_FCR_TXTL_MASK (3)

Definition at line 96 of file usart.h.

◆ USART_FCR_TXTL_SHIFT

#define USART_FCR_TXTL_SHIFT 4

Definition at line 97 of file usart.h.

◆ USART_FIFO_TRIG_14CHAR

#define USART_FIFO_TRIG_14CHAR (3)

Definition at line 107 of file usart.h.

◆ USART_FIFO_TRIG_1CHAR

#define USART_FIFO_TRIG_1CHAR (0)

Definition at line 104 of file usart.h.

◆ USART_FIFO_TRIG_4CHAR

#define USART_FIFO_TRIG_4CHAR (1)

Definition at line 105 of file usart.h.

◆ USART_FIFO_TRIG_8CHAR

#define USART_FIFO_TRIG_8CHAR (2)

Definition at line 106 of file usart.h.

Macros