On Thu, 8 Nov 2001, MATTHEWS, DEAN (D.) wrote:

> What is the function of the 6 in:  #byte Port_b=6
>
> Dean Matthews

This directive tells the CCS compiler there is a symbol which should be
interpreted as a byte variable with an absolute address of 6 which is in
turn the Port B itself. For Pascal users: it remembers to the variable
type 'absolute'.
Imre

>
>
> You should define your Port_b like
>
> #byte Port_b=6
>
> This is a directive - a CCS speciality.
>
> >
> > #device PIC16F877*16 ADC=10
> > #include<16F877.h>
> > #use delay(clock=20000000)
> > #use fast_IO(port_b)
> >
> > void main (void)
> > {
> >    long value;
> >
> >    setup_adc_ports(RA0_ANALOG_RA3_REF);
> >    setup_adc( ADC_CLOCK_INTERNAL );
> >    set_adc_channel( 0 );
> >
> >    do {
> >          value = Read_ADC();
> >          delay_ms(100);
> >          set_tris_b(0);
> >             Port_b = value;
> >    } while (TRUE);
> > }
> >
> >
> > I am having an error of unidentified identifier on (Port_b = value) line.
> >
> > Dean Matthews
> >
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