function.c

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/**************** (c) 1998  SGS-Thomson Microelectronics **********************

PROJECT  : ST72101
COMPILER : ST7 HICROSS C (HIWARE)

MODULE  :  function.c
VERSION :  V 2.0

CREATION DATE :  03/05/98

AUTHOR : PPG 8-bit Micro Application Team  

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

DESCRIPTION : Functions Routines used in main programs

              
-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

MODIFICATIONS :

******************************************************************************/

#include "map72101.h" 
#include "lib_bits.h"
#include "variable.h"

/*-----------------------------------------------------------------------------
ROUTINE NAME : addition
INPUT/OUTPUT : In: data1 & data2
               Out: data1 + data2
DESCRIPTION  : 8 bits Addition 

COMMENTS     : 
-----------------------------------------------------------------------------*/ 
unsigned char addition(unsigned char data1,unsigned char data2)
{ 
        return (data1+data2);
}

/*-----------------------------------------------------------------------------
ROUTINE NAME : Gen_PWM
INPUT/OUTPUT : None

DESCRIPTION  : Generates a PWM signal

COMMENTS     : PWM_lg = PWM pulse's length and PWM_pd = PWM pulse's period
-----------------------------------------------------------------------------*/ 
void Gen_PWM(void)
{
        SetBit(PBDDR,FIVE);
        ClrBit(PBDR,FIVE);
        TACR1 = 0x24;
        TACR2 = 0x90;
        TAOC1HR = PWM_lgh;
        TAOC1LR = PWM_lgl;
        TAOC2HR = PWM_pdh;
        TAOC2LR = PWM_pdl;            
}