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serial.h File Reference

Serial/RS232 port driver header. More...

Go to the source code of this file.

Defines
#define	PORT1   0x3F8
	Serial port base address (for COM1).
#define	PORT2   0x2F8
	Serial port base address (for COM2).
#define	PORT3   0x3E8
	Serial port base address (for COM3).
#define	PORT4   0x2E8
	Serial port base address (for COM4).
#define	COM1   PORT1
	COM1 port address.
#define	COM2   PORT2
	COM2 port address.
#define	COM3   PORT3
	COM3 port address.
#define	COM4   PORT4
	COM4 port address.
#define	BPS_115200   0x01
	115,200 BPS.
#define	BPS_56700   0x02
	56,700 BPS.
#define	BPS_38400   0x03
	38,400 BPS.
#define	BPS_19200   0x06
	19,200 BPS.
#define	BPS_9600   0x0C
	9,600 BPS.
#define	BPS_4800   0x18
	4,800 BPS.
#define	BPS_2400   0x30
	2,400 BPS.
#define	RS232_BUF_DIM   256
	RS232 buffer size.
Functions
void	rs232_handler (word port)
	RS232 common handler routine. Parameters: port  The serial port.
void	init_rs232 (word port, byte divisor)
	Initialize the RS232 interface with a bps rate. Parameters: port  The serial port to initialize. divisor  The divisor to set the bps rate (see serial.h).
void	close_rs232 (word port)
	Close a specific RS232 port. Parameters: port  The port to close.
byte	rs232_getchar ()
	Get a character from the current serial port. Returns: The ASCII code of the character read.
void	rs232_putchar (byte c)
	Write a character to the current serial port. Parameters: c  The ASCII code of the character to write.
void	rs232_chat ()

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Detailed Description

Serial/RS232 port driver header.

Author:

Andrea Righi <drizzt@inwind.it>

Date:

Last update: 2003-11-08

Note:

Copyright (©) 2003 Andrea Righi

Definition in file serial.h.

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Define Documentation

#define BPS_115200   0x01

115,200 BPS. Definition at line 31 of file serial.h.

#define BPS_19200   0x06

19,200 BPS. Definition at line 34 of file serial.h.

#define BPS_2400   0x30

2,400 BPS. Definition at line 37 of file serial.h.

#define BPS_38400   0x03

38,400 BPS. Definition at line 33 of file serial.h.

#define BPS_4800   0x18

4,800 BPS. Definition at line 36 of file serial.h.

#define BPS_56700   0x02

56,700 BPS. Definition at line 32 of file serial.h.

#define BPS_9600   0x0C

9,600 BPS. Definition at line 35 of file serial.h.

#define COM1   PORT1

COM1 port address. Definition at line 21 of file serial.h.

#define COM2   PORT2

COM2 port address. Definition at line 23 of file serial.h.

#define COM3   PORT3

COM3 port address. Definition at line 25 of file serial.h.

#define COM4   PORT4

COM4 port address. Definition at line 27 of file serial.h.

#define PORT1   0x3F8

Serial port base address (for COM1). Definition at line 12 of file serial.h.

#define PORT2   0x2F8

Serial port base address (for COM2). Definition at line 14 of file serial.h.

#define PORT3   0x3E8

Serial port base address (for COM3). Definition at line 16 of file serial.h.

#define PORT4   0x2E8

Serial port base address (for COM4). Definition at line 18 of file serial.h.

#define RS232_BUF_DIM   256

RS232 buffer size. Definition at line 40 of file serial.h.

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Function Documentation

void rs232_chat (    )

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