JeeLabs: Emulating EEPROM

The LPC8xx series has no EEPROM memory. This type of Electrically Erasable memory is very useful to store configuration settings which need to be retained across power cycles:

Image may be NSFW.
Clik here to view.

But we can emulate it with flash memory, despite the somewhat different properties.

Here’s the why’s, what’s, and how’s of this software trick – in this week’s article series:

• Permanent variables– Wed
• Emulating EEPROM with flash– Thu
• A bag of C++ tricks– Fri

There’s quite a bit of detail involved to get this right, as you will see.

(For comments, visit the forum area)