SD card -image- for the beaglebone

[Ian Lepore]

On Thu, 2013-01-31 at 21:27 +0000, Iain Young wrote:
> On 31/01/13 15:36, Ian Lepore wrote:
> 
> > So you're interested in a PPS driver for BeagleBone?  That would be fun
> > to play with, I wonder what the BB's timer hardware looks like?  It'd be
> > easy enough to do with a gpio interrupt I suspect, but the timing geek
> > in me can't resist going for the nanosecond-accurate measurements when
> > possible, even if it is kind of pointless for millisecond-accurate NTP.
> 
> Yep. Planning on hooking up MSF, DCF, and TDF clocks to GPIO pins, as
> well as some GPS units. Originally planned for doing this with some
> Pi, but found the bone had serial ports and things developed from there
> 
> Planning on abusing UART3's CTS pin for initial basic testing, as
> radioclkd and radioclkd2 have only support for serial ports, but
> then it will be working out what if anything I need to patch into the
> kernel to get the PPS subsystem to listen to particular GPIO pins.
> 
> Also planning to test PHK's ntpns, which has DCF support,
> and should be easy to modify for MSF. Anyway, this is heading far
> too quickly to being on-topic for time-nuts but off-topic here

You might be surprised how many time nuts read this list, several of us
do it for a living.

-- Ian