On Sep 11, Sean Nyekjaer wrote:
>
> On 10/09/2019 14.27, Lorenzo Bianconi wrote:
> > > Could you please try to carry out the following test?
> > > 1- set the FIFO watermark to a high level (e.g. 128)
> > > $echo 256 > /sys/bus/iio/devices/iio:device{x}/buffer/length
> > > $echo 128 > /sys/bus/iio/devices/iio:device{x}/buffer/watermark
> > > 2- set a low acc odr (e.g 13Hz)
> > > $echo 13 > /sys/bus/iio/devices/iio:device{x}/sampling_frequency
> > > 3- start reading from the accel and generate a wake-upp event
> > >
> > > Is still happen? Are you able to decode bus transaction? (register addresses,
> > > data read, ..)
> > >
>
> Do you still want this tested?
no, not necessary
>
> [...]
>
> > Could you please try to enable the LIR (Latched interrupt - BIT(0) in 0x58)?
> > Please remember that on ISM330DLC the interrupt will be automatically cleared
> > reading the wake up src register after a time slice equals to 1/ODR so the it
> > will be set for longer time if you run the device at low ODR
>
>
> "iio: imu: st_lsm6dsx: enable LIR for sensor events"
> "iio: imu: st_lsm6dsx: enable clear on read for latched interrupts"
> Does allow us to get events and buffered reads simultaneously.
>
cool :)
Regards,
Lorenzo
> I will drop PATCH 6/6.
>
> /Sean
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