Newhaven 4x20 LCD 4-bit Interface with 8051 MCU Using Silicon Labs Toolstick

Hi
I am attempting to interface a LCD( NewHaven 4*20 LCD display) to an 8051 microcontroller using MC University Silicion Labs toolstick, using 4 bit initialisation.

I have attached the code. The cursor moves on the display but no characters are output to the LCD.
Can anyone help?

LCD

I've not practiced with 8051 yet but PIC. I also found a project (source code include) here for your reference

[code lang="c"]#include
#device *=16 adc=10
#include
#include
#FUSES NOWDT, HS, NOPUT, NOPROTECT, NODEBUG, NOBROWNOUT,NOLVP, NOCPD, NOWRT
#use delay(clock=20000000)
#include
#use i2c(Master,Slow,sda=PIN_B1,scl=PIN_B0)
int set=0;
int mod=0;
byte giay,phut,gio, ngay,thang, nam;
byte BCD2DEC(byte bcd)// Function converts BCD to Decimal
{
byte h;
byte l;
byte dec;
h = bcd / 16;
l = bcd % 16;
dec = (h * 10) + l;
return dec;
}
byte DEC2BCD(byte dec)//Function converts Decimal to BCD
{
byte h;
byte l;
byte bcd;
h = dec / 10;
l = dec % 10;
bcd = (h

Hi,

Hope these limks will help :


http://www.embeddedcraft.org/lcd4bit.html

http://www.8051projects.info/resources/interfacing-8051-with-lcd-4-bit-mode.57/


Thanks
Amit