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Example and MCP3204

 
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Sid2286



Joined: 12 Aug 2010
Posts: 119

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Example and MCP3204
PostPosted: Wed Nov 03, 2010 7:03 am     Reply with quote
Hi,

I was using the given example EX_AD12.C and MCP3204. With all the required changes.

All the communication parameters where also proper, However I'm constantly getting pppppppp pppppppppp.

I'm struggling to guess what i've missed on.
Do revert back as soon as possible.

my code is as follows
Code:


lif defined(__PCH__)
#include <18F452.h>
#device ICD=TRUE //ADC=10
#fuses HS,NOLVP,NOWDT
#use delay (clock=20000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7, ERRORS)
#endif

//#include <ltc129.c>
#include <MCP3204.C>

void display_data( long int data ) {
     char volt_string[6];

     convert_to_volts( data, volt_string );
     printf(volt_string);
     printf(" (%4lX)",data);
}


void main() {
   long int value;

   adc_init();

   printf("Sampling:\r\n");

   do {
      delay_ms(1000);

      value = read_analog(0);
      printf("\n\rCh0: ");
      display_data( value );

      value = read_analog(1);
      printf("   Ch1: ");
      display_data( value );

   } while (TRUE);

}
Ttelmah



Joined: 11 Mar 2010
Posts: 19446

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PostPosted: Wed Nov 03, 2010 8:19 am     Reply with quote
Are you actually seeing the word 'sampling' at the start?. If not then we can ignore the ADC you have a serial communication problem and this needs to be sorted first.
Are you using ICD?.

Best Wishes
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