On Sat, Dec 12, 2020 at 09:10:21PM +0530, Sonali Warunjikar wrote: > Next step requires going to clinic and exposing it to xray and see what > happens. Will update soon. No luck. For the same end point that showed data being received in usbmon, the read call times out even after X ray exposure. So some protocol is involved - something to be sent to the device prior to exposure. Will try to figure out.