On Fri, Jun 28, 2013 at 10:04 AM, Chen Peter-B29397 <B29397@xxxxxxxxxxxxx> wrote: > > >> > >> > Just measure the voltage of your otg vbus pin. >> >> Ok, I see it's 2.25 volts after I disconnect the microB-A thing . I >> should see >> 0.8V constantly with nothing connected on the port? >> > > You should see the voltage of vbus pin is less than 0.8v when > nothing is connected, we use B_SESSION_VALID (0.8v) to judge > it is connected or not. > > You get 2.25 all the time or it is discharged very slowly? On my mx28evk it discharges very very slowly. Any hints about it? Thanks -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
