Quoting Gwendal Grignou (2021-12-10 11:23:26) > Semtech SAR sensor SX9324 is an evolution of the SX9310: > It has 4 phases that can be configure to capture and process data > from any of 3 CS pins and provide independent detection: > proximity, table proximity or body proximity. > > Gather antenna data: > echo sx9324-dev3 > trigger/current_trigger > echo 1 > scan_elements/in_proximity0_en > echo 1 > buffer/enable > od -v -An --endian=big -t d2 -w2 /dev/iio\:device3 > (at 10Hz, the default). > > Trigger events: > Setting: > thresh_falling_period: 2 (events) > thresh_rising_period: 2 (events) > in_proximity0_thresh_either_value: 300 > in_proximity0_thresh_either_hysteresis: 72 > > using iio_event_monitor /dev/iio\:deviceX, approaching my hand to the > antenna pad, I see: > ... > Event: time: 1634763907532035297, type: proximity, channel: 0, evtype: > thresh, direction: falling > Event: time: 1634763910138104640, type: proximity, channel: 0, evtype: > thresh, direction: rising > ... > > Signed-off-by: Gwendal Grignou <gwendal@xxxxxxxxxxxx> > --- Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
