On Saturday 26 April 2003 08:33 am, Mccauley, Daniel H wrote:
> I have a few 16 bit variables i would like to split into two 8-bit
> numbers which I will then write to an I2C EEPROM device (24xx00
> EEPROM). Any suggestions on what the best way to do this is???

Assuming that:
* you're using C
* you've already typedef'd uint8 and uint16 to be 8 bit and 16 bit
ints

then this is the cleanest way to do it (and generates the best code in
most 8 bit C compilers):

union { uint16 w; uint8 b[2] } u;
u.w = my16BitNumber;
writeByte(u.b[0]);
writeByte(u.b[1]);

--
Ned Konz
http://bike-nomad.com
GPG key ID: BEEA7EFE

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