what is the problem vith pic or LCD...

[Acetronics2]

Hi,

Datasheet $ 10.5 ...

More generally : Where is your processor config sequence ???

'*****************************************************************************
'*****************************************************************************
'
'Defines
'*****************************************************************************

DEFINE OSC 4
DEFINE BUTTON_PAUSE 50 
DEFINE ADC_BITS 10


' Define LCD connections

DEFINE LCD_DREG PORTD   	' Set LCD Data port
DEFINE LCD_DBIT 4       	' Set starting Data bit (0 or 4) if 4-bit bus
DEFINE LCD_RSREG PORTD  	' Set LCD Register Select port
DEFINE LCD_RSBIT 2      	' Set LCD Register Select bit
DEFINE LCD_EREG PORTD   	' Set LCD Enable port
DEFINE LCD_EBIT 3      		' Set LCD Enable bit
DEFINE LCD_BITS 4       	' Set LCD bus size (4 or 8 bits)


'*****************************************************************************
'*****************************************************************************
'Config processeur
'*****************************************************************************
'

'@  __CONFIG    _CONFIG1L, _WDT_OFF_1L & _WDTPS_128_1L
@   __CONFIG    _CONFIG1H, _OSCS_OFF_1H & _XT_OSC_1H
@	__CONFIG	_CONFIG2L, _BOR_OFF_2L & _BORV_27_2L & _PWRT_ON_2L
@   __CONFIG    _CONFIG2H, _WDT_OFF_2H & _WDTPS_128_2H
'@  __CONFIG    _CONFIG3L, _WDT_OFF_3L & _WDTPS_128_3L
@   __CONFIG    _CONFIG3H, _CCP2MX_OFF_3H
@   __CONFIG    _CONFIG4L, _STVR_OFF_4L & _LVP_OFF_4L & _DEBUG_OFF_4L
'@  __CONFIG    _CONFIG4H, _WDT_ON_4H & _WDTPS_128_4H
@   __CONFIG    _CONFIG5L, _CP0_OFF_5L & _CP1_OFF_5L & _CP2_OFF_5L & _CP3_OFF_5L
@   __CONFIG    _CONFIG5H, _CPB_OFF_5H & _CPD_OFF_5H
@   __CONFIG    _CONFIG6L, _WRT0_OFF_6L & _WRT1_OFF_6L & _WRT2_OFF_6L & _WRT3_OFF_6L
@   __CONFIG    _CONFIG6H, _WRTC_OFF_6H & _WRTB_OFF_6H & _WRTD_OFF_6H 
@   __CONFIG    _CONFIG7L, _EBTR0_OFF_7L & _EBTR1_OFF_7L & _EBTR2_OFF_7L & _EBTR3_OFF_7L
@   __CONFIG    _CONFIG7H, _EBTRB_OFF_7H 

'*****************************************************************************
'Config TIMERs

T0CON = %00000010	' 16Bits 1/8 prescaler, Horloge Système, OFF

T1CON = %00001010	'1/1 prescaler, Quartz 32,768

T3CON = %01110001	' ccp SUR TMR3,1/8 prescaler,Horloge système,ON

'*****************************************************************************
'Config CCP1 arret CCP2

CCP1CON = %00000101	' Capture sur front montant 

CCP2CON = %00000000	'inhibition module CCP2

'*****************************************************************************
'Inhibition SSP

SSPCON1.5 = 0

'*****************************************************************************
'Config Interruptions

INTCON  = %10000000
INTCON2 = %11110000
INTCON3 = %00000000

PIE1    = %00000100
PIE2    = %00000000

IPR1    = %00000001
IPR2	= %00000000

RCON	= %10000000

'*****************************************************************************
'Config ADC
'*****************************************************************************

ADCON0 = %11000000
ADCON1 = %10000011

'*****************************************************************************
'*****************************************************************************
'Config et Prepositionnement E/S
'*****************************************************************************

PORTA	= %00000000
PORTB 	= %00000100
PORTC	= 0
PORTD	= 0
PORTE	= 0

TRISA 	= %00111111
TRISB	= %11100110
TRISC	= %00000111
TRISD	= %00000000
TRISE	= %00000000
'
'*****************************************************************************
'Alias E/S
'*****************************************************************************

'MCLR/ sur Broche 1 par R/C/D

Voltage		var PORTA.0		'TENSION Batterie / 4
TempA		var PORTA.1		'LM335
TempH		var PORTA.2		'LM335
Vref		var PORTA.3		'TL431 = 4.096v ...
Raz		var PORTA.4		'JUMPER Raz/Programmation
PressH		var PORTA.5		'MPX5700

'		var PORTB.0	
Contact		var PORTB.1		' + 12 v sous clé ( / 3.3 = 3 - 5 v !!! )
Selection 	var PORTB.2		'Poussoir sélection Affichage
'		var PORTB.3
AlLCD		var PORTB.4		'Alimentation LCD FQU11P6 !!! 0 = ON : 1 = OFF
'		var PORTB.5
'		var PORTB.6
'		var PORTB.7

'		var PORTC.0
'		var PORTC.1
Speed		var PORTC.2		'Entrée compte-tours 1C/4T
Alm		var PORTC.3		'Alarmes
'		var PORTC.4
'		var PORTC.5
'		var PORTC.6
'		var PORTC.7

Signal		var PORTD.0		'Voyant Survitesse
Buzzer		var PORTD.1		'Sortie commande Buzzer
RS		var PORTD.2
E		var PORTD.3
D4		var PORTD.4
D5		var PORTD.5
D6		var PORTD.6
D7		var PORTD.7

'		var PORTE.0
'		var PORTE.1
AlRef		var PORTE.2

This is just an example for a 18F452 ... with a 2x16 LCD

Alain