Hello,
> I am sure at least some of you were faced to split a u16 or u32 value
> in u8 array without being affected by host endianness. My search
> turned empty for a standardized function for this task, but this seems
> quite improbable. My task is to send 16 bit LE data through i2c.
>
> I am looking for something like:
> static void u16_to_u8_array(u16 value, u8 *array)
> {
> *array = cpu_to_le16(value) >> 8;
> *(++array) = (u8) cpu_to_le16(value);
> }
how about
static void u16_to_le16_array(u16 value, __le16 *array)
{
*array++ = cpu_to_le16(value);
}
and calling it with a cast if need be, such as
char *u8array;
u16_to_le16_array(123, (__le16 *) u8array)
an issue could be alignment of the u8array
I'd try to avoid u8 altogether and work with le16 as a datatype
p.
--
Peter Meerwald
+43-664-2444418 (mobile)
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