com.c File Reference

#include <kernel/cpu/port.h>
#include <kernel/drivers/com.h>

Go to the source code of this file.

Functions
void	com_init (com_port_t port)
uint8_t	com_read (com_port_t port)
void	com_write (com_port_t port, uint8_t value)
uint8_t	com_reg_read (com_port_t port, com_reg_t reg)
void	com_reg_write (com_port_t port, com_reg_t reg, uint8_t value)

Function Documentation

com_init()

void com_init

(

com_port_t

port

)

Definition at line 4 of file com.c.

References COM_LINE_DLAB, COM_LINE_SIZE_8, COM_MODEM_DTR, COM_MODEM_OUT2, COM_MODEM_RTS, COM_REG_BAUD_HIGH, COM_REG_BAUD_LOW, COM_REG_INTERRUPT_ID, COM_REG_LINE_CONTROL, COM_REG_MODEM_CONTROL, and com_reg_write().

Referenced by log_init().

com_read()

uint8_t com_read

(

com_port_t

port

)

Definition at line 14 of file com.c.

References COM_LINE_READ_READY, COM_REG_LINE_STATUS, com_reg_read(), and COM_REG_RECEIVE.

com_reg_read()

uint8_t com_reg_read	(	com_port_t	port,
		com_reg_t	reg
	)

Definition at line 32 of file com.c.

References port_inb().

Referenced by com_read(), and com_write().

com_reg_write()

void com_reg_write	(	com_port_t	port,
		com_reg_t	reg,
		uint8_t	value
	)

Definition at line 37 of file com.c.

References port_outb().

Referenced by com_init(), and com_write().

com_write()

void com_write	(	com_port_t	port,
		uint8_t	value
	)

Definition at line 23 of file com.c.

References COM_LINE_WRITE_READY, COM_REG_LINE_STATUS, com_reg_read(), COM_REG_TRANSMIT, and com_reg_write().

Referenced by log_write().