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so i've changed the code to as below and it's not working. any idea?

writing:

void main()
{
state_t state = INITIAL_STATE;
int i;
byte buf[12];

lcd_ini ...

thanks for ur reply Indy!

so meaning that i have to remove the For loop and change addr to addr++ right?

can i change the code to:

if (addr < EEPROM_SIZE)
{
write_ext_eeprom(addr++, inpu ...

i do realize that but how do i change the code? and why cant addr++ make the value of addr increase everytime after a data is being saved?

hello all. my code is shown below. the problem is the for(addr=0; addr < EEPROM_SIZE; addr ++) is not working. everytime the data is save into addr = 0.

ur help will be much appreciated!

...

thanks ckielstra. it works perfectly now Smile

hello all.

I tried the DS1307 driver from this link:
http://www.ccsinfo.com/forum/viewtopic.php?t=23255&highlight=ds1307

The only changes I made are as below:

#define RTC_SDA PIN_B0
#de ...

thanks a lot Ttelmah!!!

it works! finallyyy Smile

hello all.

i'm using a RFID reader module from parallax

#include <18F4550.h>
#fuses HSPLL,NOWDT,NOPROTECT,NOLVP,NODEBUG,USBDIV,PLL5,CPUDIV2,VREGEN
#use delay(clock=48000000)

...

hello all, i'm currently working on a project which needs to take input from a RFID reader and display on a LCD screen. the RFID reader module is from parallax and i'm using PIC18F4550(i won't be usin ...