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pic16f628a/ values float hex

 
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alex
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pic16f628a/ values float hex
PostPosted: Mon Feb 25, 2008 6:37 am     Reply with quote
Hi folks.
I am using the pic 16f628a for servos and I found one way to create 1.0 ms Hi and 20 ms low.
This way:
Code:

#include<16f628a.h>

#fuses NOWDT,NOPROTECT,PUT,NOLVP,MCLR,INTRC_IO

#use delay(clock=4000000)
#use fast_io(b)
#use fast_io(a)
#define high 0x01
#define low 0x14

void main()
{
int duty ;
duty=high;
set_tris_b(0xFE);

while(1)
  {
   output_low(pin_b0);
   output_high(pin_b0);
   delay_ms(duty);
   output_low(pin_b0);
   delay_ms(low);
   duty=duty+1;
  }

}

I can increase the duty cycle and it is good for me.
I would like to do high with value 1.5 in hexadecimal.
is it possible?
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Mon Feb 25, 2008 11:15 am     Reply with quote
No. But you could use the delay_us() function instead of delay_ms().
Then you can pass it a parameter (int16) of 1500. A delay of 1500 us
is the same as 1.5 ms.
alex
Guest
PostPosted: Mon Feb 25, 2008 8:29 pm     Reply with quote
thanks, PCM programmer.
I will test your sugestion.
And I will post here the result.
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