uart.h File Reference

UART Support. More...

#include <rtems/bspIo.h>

Go to the source code of this file.

Macros
#define	BSP_UART_INTR_CTRL_DISABLE   (0)
#define	BSP_UART_INTR_CTRL_GDB   (0xaa) /* RX only */
#define	BSP_UART_INTR_CTRL_ENABLE   (0xbb) /* Normal operations */
#define	BSP_UART_INTR_CTRL_TERMIOS   (0xcc) /* RX & line status */
#define	BSP_UART_STATUS_ERROR   (-1) /* No character */
#define	BSP_UART_STATUS_NOCHAR   (0) /* No character */
#define	BSP_UART_STATUS_CHAR   (1) /* Character present */
#define	BSP_UART_STATUS_BREAK   (2) /* Break point is detected */
#define	BSP_UART_COM1   (0)
#define	BSP_UART_COM2   (1)
#define	COM1_BASE_IO   0x3F8
#define	COM2_BASE_IO   0x2F8
#define	RBR   RSRBR /* Rx Buffer Register (read) */
#define	THR   RSTHR /* Tx Buffer Register (write) */
#define	IER   RSIER /* Interrupt Enable Register */
#define	IIR   RSIIR /* Interrupt Ident Register (read) */
#define	FCR   RSFCR /* FIFO Control Register (write) */
#define	LCR   RSLCR /* Line Control Register */
#define	LSR   RSLSR /* Line Status Register */
#define	DLL   RSDLL /* Divisor Latch, LSB */
#define	DLM   RSDLH /* Divisor Latch, MSB */
#define	CNT   RSCNT /* General Control register */
#define	UART_ENABLE   1
#define	PAD_ENABLE   2
#define	NO_MORE_INTR   1
#define	TRANSMITTER_HODING_REGISTER_EMPTY   2
#define	RECEIVER_DATA_AVAIL   4
#define	RECEIVER_ERROR   6
#define	CHARACTER_TIMEOUT_INDICATION   12
#define	RECEIVE_ENABLE   0x1
#define	TRANSMIT_ENABLE   0x2
#define	RECEIVER_LINE_ST_ENABLE   0x4
#define	INTERRUPT_DISABLE   0x0
#define	DR   0x01 /* Data Ready */
#define	OE   0x02 /* Overrun Error */
#define	PE   0x04 /* Parity Error */
#define	FE   0x08 /* Framing Error */
#define	BI   0x10 /* Break Interrupt */
#define	THRE   0x20 /* Transmitter Holding Register Empty */
#define	TEMT   0x40 /* Transmitter Empty */
#define	ERFIFO   0x80 /* Error receive Fifo */
#define	CHR_5_BITS   0
#define	CHR_6_BITS   1
#define	CHR_7_BITS   2
#define	CHR_8_BITS   3
#define	WL   0x03 /* Word length mask */
#define	STB   0x04 /* 1 Stop Bit, otherwise 2 Stop Bits */
#define	PEN   0x08 /* Parity Enabled */
#define	EPS   0x10 /* Even Parity Select, otherwise Odd */
#define	SP   0x20 /* Stick Parity */
#define	BCB   0x40 /* Break Control Bit */
#define	DLAB   0x80 /* Enable Divisor Latch Access */
#define	FIFO_CTRL   0x01 /* Set to 1 permit access to other bits */
#define	FIFO_EN   0x01 /* Enable the FIFO */
#define	XMIT_RESET   0x04 /* Transmit FIFO Reset */
#define	RCV_RESET   0x02 /* Receive FIFO Reset */
#define	FCR3   0x08 /* do not understand manual! */
#define	RECEIVE_FIFO_TRIGGER1   0x0 /* trigger recieve interrupt after 1 byte */
#define	RECEIVE_FIFO_TRIGGER4   0x40 /* trigger recieve interrupt after 4 byte */
#define	RECEIVE_FIFO_TRIGGER8   0x80 /* trigger recieve interrupt after 8 byte */
#define	RECEIVE_FIFO_TRIGGER12   0xc0 /* trigger recieve interrupt after 14 byte */
#define	TRIG_LEVEL   0xc0 /* Mask for the trigger level */

Functions
void	BSP_uart_init (int uart, int baud, int hwFlow)
void	BSP_uart_set_baud (int aurt, int baud)
void	BSP_uart_intr_ctrl (int uart, int cmd)
void	BSP_uart_throttle (int uart)
void	BSP_uart_unthrottle (int uart)
int	BSP_uart_polled_status (int uart)
void	BSP_uart_polled_write (int uart, int val)
int	BSP_uart_polled_read (int uart)
void	BSP_uart_termios_set (int uart, void *ttyp)
int	BSP_uart_termios_write_com1 (int minor, const char *buf, int len)
int	BSP_uart_termios_write_com2 (int minor, const char *buf, int len)
void	BSP_uart_termios_isr_com1 (void)
void	BSP_uart_termios_isr_com2 (void)
void	BSP_uart_dbgisr_com1 (void)
void	BSP_uart_dbgisr_com2 (void)
unsigned	BSP_poll_char_via_serial (void)
void	BSP_output_char_via_serial (int val)

Variables
int	BSPConsolePort
int	BSPBaseBaud

Detailed Description

UART Support.