On Thu, 2017-09-14 at 19:54 +0000, Chettimada, Vinayak Kariappa wrote:
> >
> > Hello and blinky work. BT does not.
> >
>
> Ok, so the CPU and UART works :-)
> And, the 32KHz clock domain works, hence the blinks.
>
> Now, CPU can run from internal High Frequency RC or External crystal.
> If your 32MHz crystal on the board has dry solder (or what ever has
> happened), then most probably internal RC remains to clock the SoC.
> But 2.4GHz radio will not be 2.4GHz.
>
> Zephyr v1.9 has Radio Direct Test Mode implementation, hci_uart
> sample can be used with DTM HCI commands to test the radio. The DTM
> HCI commands will fail to respond if the HF clock cannot source from
> a stable crystal.
>
>
> > And, yes nitrogen_beacon.hex from
http://builds.96boards.org/releas
> > es/n
> > itrogen/zephyr-1.8/ flashed to the nano2 advertises. There's no
> > console
> > output as I explained previously.
> >
> > I'm now more convinced that the devices somehow got damaged in
> > transit
> > from Seeed.
>
> Very unlikely (and likely based on conditions), I use nRF51 dongles
> over 5 years now, carry it around in bare hands, worst I have done is
> to have my 32KHz crystal go out of its spec. but BLE operational
> using the 32KHz RC.
>
> >
> > I'll report when I get the ones I ordered from Digikey. I expect
> > them
> > to work just fine.
> >
> > If you are curious about what happened to the radios, I'd be glad
> > to
> > send you the 2 I got from Seeed.
>
> I think Seeed need to contact our support (I am just a software guy).
>
> >
> > The shipment didn't seem to have been opened. I'm pretty ESD
> > conscious
> > at my end.
> >
> > Steve
> >
>
>
