On Mon, Jun 18, 2018 at 6:59 PM, Akinobu Mita <akinobu.mita@xxxxxxxxx> wrote:
> The ADXL345 provides selectable output data rate. This adds the iio
> channel information for the sampling frequency with that feature.
> +static const struct {
> + int val;
> + int val2;
> +} adxl345_samp_freq_table[] = {
> + { 0, 97656 },
> + { 0, 195313 },
> + { 0, 390625 },
> + { 0, 781250 },
> + { 1, 562500 },
> + { 3, 125000 },
> + { 6, 250000 },
> + { 12, 500000 },
> + { 25, 0 },
> + { 50, 0 },
> + { 100, 0 },
> + { 200, 0 },
> + { 400, 0 },
> + { 800, 0 },
> + { 1600, 0 },
> + { 3200, 0 },
> +};
So, this is effectively a just formula with a bit shifts (index is an
exponent) and point of origin.
Why to keep ugly table?
--
With Best Regards,
Andy Shevchenko
--
To unsubscribe from this list: send the line "unsubscribe linux-iio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
