On 11/11/2015 07:38 PM, Martin Kepplinger wrote:
> This adds freefall event detection to the supported devices. It adds the
> in_accel_x&y&z_mag_falling_en iio event attribute, which activates
> freefall mode.
>
Hi,
Thanks for the patch, looks pretty good. Just a few things.
> In freefall mode, the current acceleration values of all activated axis
> are added and if the *sum* falls *under* the threshold specified
Are you sure its not the magnitude of the vector rather than the sum of the
individual components?
> (in_accel_mag_falling_value), the appropriate IIO event code is
> generated.
[...]
> +enum { + axis_x, + axis_y, + axis_z, +};
That should be part of patch two I guess.
[...]
> +static IIO_DEVICE_ATTR_NAMED(accel_xayaz_mag_falling_en, +
> in_accel_x&y&z_mag_falling_en, + S_IRUGO | S_IWUSR, +
> mma8452_get_freefall_mode, + mma8452_set_freefall_mode, + 0);
This should be created by the core based on the event spec, shouldn't it?
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