ADC reading and configuration problem

[pxidr84]

Hi everyone,

I can't get my ADCs to working properly. I've tried to play with the registers, with no results.

I have to sample 4 analog inputs.

Only one reading is correct, it's the "tsense" refered to the ADCIN5. The others values displayed are completely crazy.

I'm using the PIC18F4431 ( datasheet : http://ww1.microchip.com/downloads/e...Doc/39616d.pdf )

The simple code used for the test :

DEFINE OSC 32      
DEFINE LCD_DREG PORTC
DEFINE LCD_EREG PORTD
DEFINE LCD_RSREG PORTD
DEFINE LCD_EBIT 0
DEFINE LCD_RSBIT 1
DEFINE ADC_BITS 10

TRISA=%11111111
TRISB=%11000000   
TRISC=%110000     
TRISD=%11100      
TRISE=%11111111

ANSEL0=%11111111
ADCON0=%00011111
ADCHS=%01010101

potsense var word
tsense var word
usense var word
isense var word

pause 2000
LCDOUT $fe,1 

lp:

ADCIN 4,potsense
ADCIN 5,tsense
ADCIN 6,usense
ADCIN 7,isense

lcdout $fe,$2,DEC5 potsense," ",DEC5 tsense
lcdout $fe,$c0,DEC5 usense," ",DEC5 isense

pause 10

goto lp