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write_eeprom();

 
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ferkar



Joined: 14 Jul 2007
Posts: 38

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write_eeprom();
PostPosted: Mon May 19, 2008 10:59 am     Reply with quote
hi everyone,

ı think i get some information about eeprom and its functions in microcontroller.

i need to write datas to eeprom and then read it from where it was written.
my problem is i could not write and read the eeprom with the functions:


write_eeeprom(address,data);

read_eeprom(address);

please help me.
best wishes....
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Mon May 19, 2008 11:08 am     Reply with quote
You didn't post the PIC that you're using. Here's an example for 16F PICs:
http://www.ccsinfo.com/forum/viewtopic.php?t=32722
ferkar



Joined: 14 Jul 2007
Posts: 38

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write_eeprom();
PostPosted: Tue May 20, 2008 6:48 am     Reply with quote
i am using 16f877 at 20mhz.

i tried again and again but i saw nothing in the eeprom address' contents.
any idea?
where should i observe the eeprom register?

(i use winpic3.55 programmer)
best wishes
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Tue May 20, 2008 11:52 am     Reply with quote
Quote:
but i saw nothing in the eeprom address' contents

Tell us how you know this. Post a small test program, similar to the
one shown in my link. Tell us exactly what you get as the result.

Are you doing this for real ? Or, are you using Proteus ?
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