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ADC program help needed

 
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shekhu4u



Joined: 17 Aug 2011
Posts: 1

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ADC program help needed
PostPosted: Wed Aug 17, 2011 12:47 pm     Reply with quote

Here I am trying to do A/D conversion and transfer the data to putty, to see the output but it seems it's not working. Need your help guys.........

My code:
Code:

#include <htc.h>
#include<stdio.h>
#include<stdlib.h>
#include<math.h>

main()
{

int j,x,y,z;
OSCCON=0x70;
CMCON0=0X07;  //turn off comparator
TRISA=0X01;   //input port
ADCON1=0X50;  //fosc/16
ADCON0=0x81; // right justufied
INTCON=0X00;
ANSEL=0x01;// select channel
TMR2=0X00;    //clear tmr2
TRISB=0x00;
PORTB=0x00;
TRISC = 0x00;//
PORTC = 0x00;                    // CLEAR DATA LATCH
//TXSTA=0x24;               
T2CON = 0x04;               // POSTSCALER 1:1, PRESCALER 1:1, TIMER2 ON
//serial communication
      RCSTA=0X80;
      SPBRG=0x0C; //baudrate 9600
      PIE1=0X00;
   //   TXSTA=0X20;
while(1)
   {
for (j=1; j<3;j++)
{
      
      ANSEL=j;
   if(j==1)
      {
        ADCON0=0x81;
                   }
      else{
              ADCON0=0x85;
                      }
ADCON0=ADCON0|0X02;
         
   if ((ADCON0&0x02)!=0X02)
         {
            TXREG=ADRESL;
                                                                 TXSTA=0x20;         
            
            
if((TXSTA&0X22)!=0X22);
                  TXREG=ADRESH;
   TXSTA=0X20;
   
      if((TXSTA&0X22)!=0X22); //hold till tx completess
}
}
}
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Aug 17, 2011 12:56 pm     Reply with quote

Quote:
#include <htc.h>

Your program is written for the Hi-Tech C compiler. This forum is for
the CCS compiler. You need to ask your questions on the Hi-Tech forum:
http://forum.htsoft.com/all/ubbthreads.php

Also, Microchip has a Hi-Tech compiler forum:
http://www.microchip.com/forums/tt.aspx?forumid=231
temtronic



Joined: 01 Jul 2010
Posts: 9208
Location: Greensville,Ontario

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PostPosted: Wed Aug 17, 2011 1:43 pm     Reply with quote

or...

you could just use the example in the ccs C compiler examples folder as a basis of using CCS C, then you will get help here !
asmboy



Joined: 20 Nov 2007
Posts: 2128
Location: albany ny

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PostPosted: Wed Aug 17, 2011 3:11 pm     Reply with quote

I have believed for a LONG time - after trying it - initially -
that it is so simplistically assembler derived -
that LOW tech C was a much more apt name.

I started work with PICs in assembler - and LOWtech C
was just not enough of an improvement for me to bother with.

and the lowtech forum?? whew - blind leading blind ... ;-))

just my 2 cents
bkamen



Joined: 07 Jan 2004
Posts: 1611
Location: Central Illinois, USA

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PostPosted: Thu Aug 18, 2011 3:52 pm     Reply with quote

asmboy wrote:

and the lowtech forum?? whew - blind leading blind ... ;-))

just my 2 cents


Asm, you crack me up.

-Ben
_________________
Dazed and confused? I don't think so. Just "plain lost" will do. :D
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