CCS :: View topic - Internal EEPROM bigger than 256 byte

CCS C Software and Maintenance Offers

FAQ

Official CCS Support

Profile Log in to check your private messages Log in

CCS does not monitor this forum on a regular basis.

Please do not post bug reports on this forum. Send them to CCS Technical Support

Internal EEPROM bigger than 256 byte

CCS Forum Index -> General CCS C Discussion

View previous topic :: View next topic

Author

Message

gjs_rsdi

Joined: 06 Feb 2006
Posts: 468
Location: Bali

Internal EEPROM bigger than 256 byte

Posted: Sat Oct 05, 2019 8:25 pm

Reply with quote

Hi

I would like to read/write to an internal EEPROM (PIC18F26K22) that have 1024 bytes.
For 256 bytes I used:

Code:

eepromreaddata0=read_eeprom(eepromaddress);
write_eeprom(eepromaddress,eepromwritedata0);

and it is working
It is correct to use for 1024 bytes:

Code:

eepromaddress=make16(eepromaddresshigh,eepromaddresslow);
eepromreaddata0=read_eeprom(eepromaddress);

I am sending eepromaddresshigh (0 to 3) and eepromaddresslow (0 to 255) from the PC to the PIC.
I would like to know if the above correct before going forward with this part of the project.

Best wishes
Joe

Ttelmah

Joined: 11 Mar 2010
Posts: 19552


Posted: Sun Oct 06, 2019 1:34 am

Yes, but remember that the variable 'eepromaddress', is going to need to be declared as a 16bit value, not a simple 8bit 'int'.

gjs_rsdi

Joined: 06 Feb 2006
Posts: 468
Location: Bali


Posted: Mon Oct 07, 2019 3:35 pm

Thank you very much Ttelmah I can go forward with the project. Best wishes Joe

Display posts from previous:

	CCS Forum Index -> General CCS C Discussion	All times are GMT - 6 Hours
Page 1 of 1

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum

Powered by phpBB © 2001, 2005 phpBB Group