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RF module don't work, where is the problem?

 
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skillfox



Joined: 21 Oct 2011
Posts: 2

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RF module don't work, where is the problem?
PostPosted: Fri Oct 21, 2011 9:44 am     Reply with quote
RF module don't work, where is the problem?

Transmitter:
Code:

#include <16f877A.h>     // Kullanılacak denetleyicinin başlık dosyası tanıtılıyor.
#fuses XT,NOWDT,NOPROTECT,NOBROWNOUT,NOLVP,NOPUT,NOWRT,NODEBUG,NOCPD
#use delay (clock=4000000)
#use rs232 (baud=600, xmit=pin_C6, rcv=pin_C7)

#byte lcdport         = 0x06   
#byte lcdport_tris   = 0x86   
#include "3310.h"

char islem=0;
unsigned int a=0;
#int_rda
void serial_isr() {

islem=getch();
//putc(islem);
//disable_interrupts(int_rda);
}

void init()
    {
           lcdport_tris = 0x00;        // lcdport all bits are outputs
           port_b_pullups(TRUE);
           nokia_init();
    }

void main ()
 {
  init();
     enable_interrupts(int_rda);
   #if defined(__PCD__)
   enable_interrupts(intr_global);
   #else
   enable_interrupts(global);
   #endif
 
  while(TRUE)
   {
     //  delay_ms(10000);   
      //islem="null";   
     //islem=bgetc();

      if (islem=='R'||islem=='r')   
      {  nokia_clean_ddram();
   nokia_gotoxy(8,2);       
   printf(nokia_printchar," R geldi.  ");
    for(a=0;a<5;a++)
   putc(0b01010101);
   putc('x');
   putc('R');
   islem=0;
 
  if (kbhit()) break; 
      }
   
      if (islem=='L'||islem=='l') 
      {
   nokia_clean_ddram();
   nokia_gotoxy(8,2);     
   printf(nokia_printchar," L geldi.  ");
    for( a=0;a<5;a++)
   putc(0b01010101);
   putc('x');
   putc('L');
   islem=0;
   
   if (kbhit()) break;       
      }
                 
     
        if (islem=='N'||islem=='n')   
      {

   nokia_clean_ddram();
   nokia_gotoxy(8,2);       
   printf(nokia_printchar," N geldi.  ");
     for( a=0;a<5;a++)
   putc(0b01010101);
   putc('x');
   putc('N');
   islem=0;
   
   if (kbhit()) break;       
      }
                 
     
        if (islem=='U'||islem=='u')   
      {
   nokia_clean_ddram();
   nokia_gotoxy(8,2);       
   printf(nokia_printchar," U geldi.  ");
   for( a=0;a<5;a++)
   putc(0b01010101);
   putc('x');
   putc('U');
   islem=0;
   
   if (kbhit()) break;       
      }
               
     
        if (islem=='S'||islem=='s') 
      {
   
 
   nokia_clean_ddram();
   nokia_gotoxy(8,2);       
   printf(nokia_printchar," S geldi.  ");
   for( a=0;a<5;a++)
   putc(0b01010101);
   putc('x');
   putc('S');
   islem=0;
 
   if (kbhit()) break;       
      }
               
     
   }
   }

Receiver 628a:
Code:

#include <16f628A.h>   
#fuses XT,NOWDT,NOPROTECT,NOBROWNOUT,NOLVP,NOPUT,NOCPD
#use delay (clock=4000000)
#use rs232 (baud=600, xmit=pin_b2, rcv=pin_b1)

int i=0,hiz=80;
char m=0,n=0;
const int yarim_adim[]={0x01,0x03,0x02,0x06,0x04,0x0C,0x08,0x09};

#int_rda
void seri_int()
{
if(getc()=='x')
   m='x';

n=getc();
}

void main()
{
char a=0,temp=0;
enable_interrupts(int_rda);

#if defined(__PCD__)
enable_interrupts(intr_global);
#else
enable_interrupts(global);
#endif

while(TRUE)
{
   if(m=='x')
   {
      i = 0;
      a=n;

      if(a=='U')
      {
         hiz-=10;
         a = temp;
      }

      if(a=='N')
      {
         hiz+=10;
         a = temp;
      }

      if(a=='R')
      {
         temp = 'R';
         for (;i<8;i++)   
                {
                  output_A(yarim_adim[i]);
                  delay_ms(hiz);         

                  if (i==7) 
                     i=0;
                 if (kbhit()) break;   
                }
      }

      if(a=='L')
      {
         temp = 'L';
         for (;i>=0;i--)   
                {
                  if (i==0)   
                     i=7;
                  output_a(yarim_adim[i]);   
                  delay_ms(hiz);             

                  if (kbhit()) break;     
                }
      }
   }
}

if(a=='S')
output_a(0x00); 
       
}


and photo about my circuit.
temtronic



Joined: 01 Jul 2010
Posts: 9162
Location: Greensville,Ontario

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PostPosted: Fri Oct 21, 2011 11:10 am     Reply with quote
You don't post what RF module or a link to it's datasheet.

First thing I'd do is remove the RF modules and connect the PICs together serial-serial and verify taht the code actually works. If it works, then the RF modules are at fault, or the wiring to them, or some other problem...
skillfox



Joined: 21 Oct 2011
Posts: 2

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hi
PostPosted: Fri Oct 21, 2011 11:33 am     Reply with quote
temtronic wrote:
You don't post what RF module or a link to it's datasheet.

First thing I'd do is remove the RF modules and connect the PICs together serial-serial and verify that the code actually works. If it works, then the RF modules are at fault, or the wiring to them, or some other problem...


Now i tried rf module and its working. I add a button to 877 and led to 628 and when i push the button led is lighting. And I look the data sheets everything is right

I have some problems about Codes. I'm waiting for ideas.
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