I2C read and write to 24C01 eeprom

[richard]

I used the following to send word variable values to a PCA chip..

making a special case where endianness needs to be managed.

the pca chip requires the data sent low byte first, i2cread/write natively send high byte first.


to do that for a eprom is just a typing exercise

[Aussie Barry]

Hi Richard,

I did a project a while ago which stored word values to a 24LC02 EEPROM.
The only way I could get it to work was to use the lowbyte and highbyte method that Scampy mentioned.

Can you show me a snippet of your code that will successfully write a word value to EEPROM?

Cheers
Barry
VK2XBP

[richard]

no problem barry, this scans i2c bus reports valid addresses
and then reads and writes a mixed lot of word/byte vars

ps used a 24c08