serialv1.h

finger print based security system

/**************************************************************************************************
	Module     	:	SERIAL.H -- Implements Serial Comm. over RS-232 using 8051
	Version    	:	1.0
	Dependencies 	:	NONE
	
	Description	:    	This module is to implement serial comm.

	Author     	:	K. KARTHIKEYAN , S.R.Labs, Hyd., India.
				All rights reserved with the author.
***************************************************************************************************/

# ifndef __SERIAL_H__
# define __SERIAL_H__

/******************************************************************************** MACRO DEFINITIONS */
# define BUAD_1200	0xe8
# define BAUD_2400	0xf4
# define BAUD_4800	0xfa
# define BAUD_9600	0xfd

/**************************************************************************************** Prototypes */
void SerialInit(unsigned char ucBaud);
void SerialPutc(unsigned char ucCh);
void SerialGetc(unsigned char *ucCh);
void SerialPuts(unsigned char *ucStr, unsigned char ucLen);
void SerialGets(unsigned char *ucStr, unsigned char ucLen);

/*************************************************************************************************** */
void SerialInit(unsigned char ucBaud)
{
	TMOD = 0x20;
	SCON = 0x50;
	TH1 = ucBaud;
	TR1 = 1;
}

/*************************************************************************************************** */
void SerialPutc(unsigned char ucCh)
{
	SBUF = ucCh;
	while(TI == 0);
	TI = 0;
}

/*************************************************************************************************** */
void SerialGetc(unsigned char *ucCh)
{
	while(RI == 0);
	*ucCh = SBUF;
	RI = 0;
}

/*************************************************************************************************** */
void SerialPuts(unsigned char *ucStr, unsigned char ucLen)
{
	unsigned char i;
	for(i = 0; i < ucLen; i++)
		SerialPutc(*(ucStr + i));
}

# endif