Paki-check po kung tama...

[drag00n3333]

Gamit ko po 2x16 LCD and pic16f84a, im using PICBASIC as programming language...pki correct po kung my error po thx in advance
d ko po kc mapalabas mga character blank lagi...

Here's my code:

Code: [Select]

Device 16F84A          ' MCU TYPE
    XTAL = 4                ' 4MHZ
   
' Define LOADER_USED to allow use of the boot loader.
' This will not affect normal program operation.
TRISB=%00000000
 
' Define LCD registers and bits
DEFINE LCD_DREG  PORTb
DEFINE LCD_DBIT  4
DEFINE LCD_RSREG PORTb
DEFINE LCD_RSBIT 1
DEFINE LCD_RWREG PORTB
DEFINE LCD_RWBIT 2
DEFINE LCD_EREG  PORTb
DEFINE LCD_EBIT  3
DEFINE LCD_BITS 4

delayms 500
cls

     
main:
PRINT  $FE, 1
delayms 500
print $FE, 2, "Jeff"
delayms 500
goto main


 
 End

[nucleus]

Gamit ko po 2x16 LCD and pic16f84a, im using PICBASIC as programming language...pki correct po kung my error po thx in advance
d ko po kc mapalabas mga character blank lagi...

Here's my code:

Code: [Select]

Device 16F84A          ' MCU TYPE
    XTAL = 4                ' 4MHZ
    
' Define LOADER_USED to allow use of the boot loader.
' This will not affect normal program operation.
TRISB=%00000000
 
' Define LCD registers and bits
DEFINE LCD_DREG  PORTb
DEFINE LCD_DBIT  4
DEFINE LCD_RSREG PORTb
DEFINE LCD_RSBIT 1
DEFINE LCD_RWREG PORTB
DEFINE LCD_RWBIT 2
DEFINE LCD_EREG  PORTb
DEFINE LCD_EBIT  3
DEFINE LCD_BITS 4

delayms 500
cls

    
main:
PRINT  $FE, 1
delayms 500
print $FE, 2, "Jeff"
delayms 500
goto main


 
 End

anong picbasic ito, proton picbasic ba ito? o picbasic pro?

ang pansin ko dun sa code mo wala kang definition ng oscillator at configurations sa tris register
pati yung

Code: [Select]

PRINT  $FE, 1
print $FE, 2, "Jeff"
ang alam ko sa picbasic pro LCDOUT ang gamit at yung

Code: [Select]

LCDOUT  $FE, 1 na line ay nagsasabing Clear Display


at itong

Code: [Select]

LCDOUT  $FE, 2 "Jeff"
ay nagsasabing magsulat ng "Jeff" sa first line ng lcd

[motion55]

Ahem. Sobrang taas ng .1uF value ng C1 at C2 sa crystal. It should only be about 22pF.

[drag00n3333]

Proton picbasic po gmit ko, nasubukas ko na rin po "LCDOUT" pro ayaw prin lumabas...ung "XTAL" po sa code ko un po ung para sa crystal ocillator...mron po dyan sa code ko ung TRISB

[nucleus]

Proton picbasic po gmit ko, nasubukas ko na rin po "LCDOUT" pro ayaw prin lumabas...ung "XTAL" po sa code ko un po ung para sa crystal ocillator...mron po dyan sa code ko ung TRISB

ay sorry di ko napansin.