serial.h File Reference

#include <stdbool.h>
#include "assembly/io.h"

Go to the source code of this file.

Macros
#define	COM1_PORT   0x3F8
#define	COM2_PORT   0x2F8
#define	COM3_PORT   0x3E8
#define	COM4_PORT   0x2E8
#define	DATA_REGISTER   0
#define	INTERRUPT_ENABLE_REGISTER   1
#define	DIVISOR_LOW_REGISTER   0
#define	DIVISOR_HIGH_REGISTER   1
#define	INTERRUPT_FIFO_CONTROL_REGISTER   2
#define	LINE_CONTROL_REGISTER   3
#define	MODEM_CONTROL_REGISTER   4
#define	LINE_STATUS_REGISTER   5
#define	MODEM_STATUS_REGISTER   6
#define	SCRATCH_REGISTER   7
#define	PARITY_NONE   0
#define	PARITY_ODD   1
#define	PARITY_EVEN   3
#define	PARITY_MARK   5
#define	PARITY_SPACE   7

Functions
void	serial_init (unsigned int port, unsigned int baud_rate, unsigned int data_bits, unsigned int stop_bits, unsigned int parity)
bool	serial_is_busy (unsigned int port)
bool	serial_is_queue_empty (unsigned int port)
void	serial_send (unsigned int port, char c)
void	serial_send_string (unsigned int port, char *str)
char	serial_receive (unsigned int port)

Macro Definition Documentation

COM1_PORT

#define COM1_PORT   0x3F8

COM2_PORT

#define COM2_PORT   0x2F8

COM3_PORT

#define COM3_PORT   0x3E8

COM4_PORT

#define COM4_PORT   0x2E8

DATA_REGISTER

#define DATA_REGISTER   0

DIVISOR_HIGH_REGISTER

#define DIVISOR_HIGH_REGISTER   1

DIVISOR_LOW_REGISTER

#define DIVISOR_LOW_REGISTER   0

INTERRUPT_ENABLE_REGISTER

#define INTERRUPT_ENABLE_REGISTER   1

INTERRUPT_FIFO_CONTROL_REGISTER

#define INTERRUPT_FIFO_CONTROL_REGISTER   2

LINE_CONTROL_REGISTER

#define LINE_CONTROL_REGISTER   3

LINE_STATUS_REGISTER

#define LINE_STATUS_REGISTER   5

MODEM_CONTROL_REGISTER

#define MODEM_CONTROL_REGISTER   4

MODEM_STATUS_REGISTER

#define MODEM_STATUS_REGISTER   6

PARITY_EVEN

#define PARITY_EVEN   3

PARITY_MARK

#define PARITY_MARK   5

PARITY_NONE

#define PARITY_NONE   0

PARITY_ODD

#define PARITY_ODD   1

PARITY_SPACE

#define PARITY_SPACE   7

SCRATCH_REGISTER

#define SCRATCH_REGISTER   7

Function Documentation

serial_init()

void serial_init	(	unsigned int	port,
		unsigned int	baud_rate,
		unsigned int	data_bits,
		unsigned int	stop_bits,
		unsigned int	parity
	)

serial_is_busy()

bool serial_is_busy

(

unsigned int

port

)

serial_is_queue_empty()

bool serial_is_queue_empty

(

unsigned int

port

)

serial_receive()

char serial_receive

(

unsigned int

port

)

serial_send()

void serial_send	(	unsigned int	port,
		char	c
	)

serial_send_string()

void serial_send_string	(	unsigned int	port,
		char *	str
	)