Ismael M. Khangane wrote:
>
> Hi Miguel,
> Yes I have been looking around the MICROCHIP application's note but I failed t
o come
> across the complete examples especially on ' I2C and Serial Port Communication
s'.
> P'se if u know exactly where to find them, I'll appreciate to u  very much!. N
o
> matter they are in C or Assembly.
> Regards,
> Hear from u soon.
> Ismael.
>
> *************************************************************
> WF AUTOMACAO - KITS EDUCACIONAIS NACIONAIS escribis:
>
> > Mauricio Jancic wrote:
> > >
> > > Hi, I'm Mauricio. I need something like what Ismael need's. Do you have an
ythi
> > ng in assembly??
> > >
> > >         Thanks in advance,
> > >
> > >         Mauricio Jancic
> > >         Republica Argentina
> > >
> > > -----Mensaje original-----
> > > De:     WF AUTOMACAO - KITS EDUCACIONAIS NACIONAIS [SMTP:wf@BLUSOFT.ORG.BR
]
> > > Enviado el:     Jueves, 09 de Diciembre de 1999 08:46 p.m.
> > > Para:   PICLIST@MITVMA.MIT.EDU
> > > Asunto: Re: Worked Examples for PIC17CXXX
> > >
> > > Ismael M. Khangane wrote:
> > > >
> > > > Hi,
> > > > Is there a place or anybody has worked examples for PIC17CXXX?
> > > > Ismael.
> > >
> > > In C or assembly?
> > >
> > > Miguel
> >
> > Yes, i have... but,,,did you see the MICROCHIP application's note?

here a C sample

Miguel Wisintainer

#include <17c42.h>
#include <math.h>

long far *p;
char far *q;

unsigned char Tam_H;
unsigned char Tam_L;
long Total, L;
long I,Pausa;

unsigned char Lixo;

unsigned int w;
unsigned char c,t,o;

void __PIV()
{
       #asm
            MOVFP W,0x1F
            MOVLW 0x20
            MOVPF W,PCLATH
            LCALL 0x20
            MOVFP 0x1f,W
            RETFIE
       #endasm
}

///////////////////////////////////////////////////////////

void __INT()
{
       #asm
            MOVFP W,0x1F
            MOVLW 0x20
            MOVPF W,PCLATH
            LCALL 0x08
            MOVFP 0x1f,W
            RETFIE
        #endasm
}

///////////////////////////////////////////////////////////

void __TMR0()
{
       #asm
            MOVFP W,0x1F
            MOVLW 0x20
            MOVPF W,PCLATH
            LCALL 0x10
            MOVFP 0x1f,W
            RETFIE
        #endasm
}

///////////////////////////////////////////////////////////

void __RTpin()
{
       #asm
            MOVFP W,0x1F
            MOVLW 0x20
            MOVPF W,PCLATH
            LCALL 0x18
            MOVFP 0x1f,W
            RETFIE
        #endasm
}

void Transmite(unsigned char c)
{
    while(!PIR.TBMT);
    TXREG=c;
}

unsigned char Recebe()
{
    while(!PIR.RBFL);
    return(RCREG);
}

void inicializa_serial()
{
    SPBRG=7;  //19200 a 10MHZ
    TXSTA=0xA0;
    RCSTA=0x90;
}

void Delay()
{
    for(Pausa=0;Pausa<=250;Pausa++);
}

void main()
{
    inicializa_serial();

    Transmite('M');
    o=Recebe();   //P=PROGRAMA  N=NORMAL

    Transmite('M');
    Tam_H=Recebe();
    Transmite(Tam_H);
    Lixo=Recebe();

    Transmite('M');
    Tam_L=Recebe();
    Transmite(Tam_L);
    Lixo=Recebe();

    Total=Tam_L+(Tam_H*256);

    for(I=0x2000;I<(0x2000+Total);I++)
        {
            p=I;
            q=I;

            Transmite('M');
            w=Recebe();
            *p=w;
            if(o=='P')
               Delay();
            w=*p;
            Transmite(w);
            t=Recebe();

            Transmite('M');
            c=Recebe();
            *q=c;
            if(o=='P')
               Delay();
            c=*q;
            Transmite(c);
            t=Recebe();
        }
        t=Recebe();
       #asm
            MOVLW 0x20
            MOVPF W,PCLATH
            LCALL 0x00
        #endasm
}