Dear Guennadi Liakhovetski,
In message <pine.lnx.4.64.0902051131450.5...@axis700.grange> you wrote:
> On Wed, 4 Feb 2009, Jean-Christophe PLAGNIOL-VILLARD wrote:
>
> > On 17:59 Wed 04 Feb , Guennadi Liakhovetski wrote:
> > > +
> > > +/*
> > > + * Each transfer is performed as:
> > > + * 1. chip-select active
> > > + * 2. send 8-bit start code
> > > + * 3. send 16-bit data
> > > + * 4. chip-select inactive
> > > + */
> > > +static int send_word(struct spi_slave *spi, u8 rs, u16 data)
> > > +{
> > > + u32 buf8 = 0x70 | ID | (rs & 2);
> > why?
>
> That's how the start byte looks like:
>
> 01110<ID><RS><R/W>
>
> rs is 0 for index or 1 for data, and R/W is 0 for write.
Good. Now add this as comment, please?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
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