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PIC18F46K22 ADC timer1

 
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Khansokhua



Joined: 06 Nov 2021
Posts: 88

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PIC18F46K22 ADC timer1
PostPosted: Wed Dec 22, 2021 12:29 pm     Reply with quote
Code:
#include <SSSCSC.h>
//!#device ADC=8
#use delay (clock=20000000)
#use fast_io(a)
#use fast_io(c)
#include <HDM64GS12.c>
#include <graphics.c>
#define display_1 pin_B6
#define display_2 pin_B7
#define button pin_A1
#define secme pin_B3
#define slayt pin_A2

const char imagine[]={0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0E, 0x0C,
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0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x07, 0x0F, 0x0F, 0x0F, 0x0E, 0x0C,
0x08, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
int a=0;
int i,j,k;
int32 sayac;
#int_timer1
void timer()
{
   set_timer1(3036);
    a++;
    if(a==10){
    int x=0; //5s and 1.25s
int y=0;

glcd_init(on);
   for(i=0;i<64;i+=8)
      {   
         for(j=0;j<128;j++)
         {
            for(k=0;k<8;k++)
            {
               if(bit_test(imagine[sayac],k))
               {
                  glcd_pixel(x+j,y+i+k,ON);
               }
            }
            sayac++;
         }
      }
 sayac=0;
   a=0;
    }

}
void main()
{
 setup_timer_1(T1_INTERNAL|T1_DIV_BY_8);
 set_timer1(3036);//0.5s tek kesme
 enable_interrupts(int_timer1);
 enable_interrupts(GLOBAL);

 while(1);
}

Hi, greetings. I set timer1 for 5 second timing and it works OK. However, when I try to add ADC:
Code:
#include <TT.h>
#device ADC=8 // Can not set this option this far into the code
#use delay (clock=4000000)
#use fast_io(a)
...

I receive an error. Then I change .h file name into 18F46K22.
Code:
#include <18F46k22.h>
#device ADC=8
#use delay (clock=4000000)
...

This time there is no error but timer1 responds after 1.25s (a==10). So here I am confused. Thanks.

Respects...
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Dec 22, 2021 4:03 pm     Reply with quote
Quote:
So here I am confused.

It takes 842 ms to run this loop (with a 4 MHz PIC clock):
Code:

for(i=0;i<64;i+=8)
      {   
         for(j=0;j<128;j++)
         {
            for(k=0;k<8;k++)
            {
               if(bit_test(imagine[sayac],k))
               {
                  glcd_pixel(x+j,y+i+k,ON);
               }
            }
            sayac++;
         }
      }



Quote:
#include <TT.h>
#device ADC=8 // Can not set this option this far into the code
#use delay (clock=4000000)
#use fast_io(a)

Put that line inside the TT.h file. Put it immediately after the
#include file for your PIC.
Khansokhua



Joined: 06 Nov 2021
Posts: 88

View user's profile Send private message

PostPosted: Wed Dec 22, 2021 5:35 pm     Reply with quote
Thank you sir, it worked.
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