I've written a few C functions for dealing with external page write
eeprom. I have these functions:

WriteEepFirstByte(address, data) // sets up address, sends data,
increments static address counter, leaves /CS low

WriteEepNextByte(data) // sends data, increments static address counter,
does page write if incremented to new page, leaves /CS low

WriteEepLastByte(data) // sends data, does page write, releases /CS

WriteEepOnlyByte(address, data) // writes the specified byte to the
specified address.


I've generally used SPI eeprom instead of I2C (the bus is faster and, in
my opinion, easier to deal with), but similar methods could be used on
I2C.



Harold



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