> I have long wanted something that could do this, but alas, my K&R tells me:
>
> " Any of these types may be assigned to u and then used in expressions, so
> long as the usage is consistent: the type retrieved must be the type most
> recently stored.  It is the programmer's responsibility to keep track of
> which type is currently stored in a union; the results are
> implementation-dependent if something is stored as one type and extracted
> as another. "
>
> I'd go as far as saying that C should have been provided with something
> that did what you're trying above.  As an ex-assembly language programmer,
> I resent being told how I can access my data :-)

You don't really NEED unions, you can just go with (unsigned
char*)&myFloat to read the value as bytes:

unsigned char* bytes = (unsigned char*)&myFloat;
eeprom_write(bytes[0]);
eeprom_write(bytes[1]);
eeprom_write(bytes[2]);
eeprom_write(bytes[3]);

Something like that.
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