On Monday 19 February 2007 4:48 am, Nicolas Ferre wrote:
>
> >> - /* maybe off internal vREF */
> >> - if (use_internal) {
> >
> > This part doesn't make sense. Could you say what you're trying
> > to do? The ads7846 requres an external vREF. Is the issue that
> > maybe the REF_OFF command isn't just turning off the (non-existent)
> > internal voltage reference? If so the comments need updating, and
> > maybe the name REF_OFF needs to change too...
>
> Well, on the ads7843, this command allow to put converter in low power
> mode and, more important, enable the PENIRQ (otherwise disabled).
>
> The REF_OFF command can be replaced by the PWRDOWN one (exactly the
> same command). This last name matches better the ads7843
> datasheet description (and seems ok considering the ads7846 one).
OK, that would be a better change then, along with comment update.
- Dave
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