[Hackrf-dev] CLKIN bug fixed

[Michael Ossmann]

On Thu, Aug 28, 2014 at 06:50:03PM +0100, Simon Brown wrote:
>
> So I assume that a 10MHz reference with 3.3V sine wave would be OK?

A 3.3 V square wave would be ideal.  A sine wave should be fine.

> Is there a software call to determine whether the HackRF has locked to
> a reference?

There isn't a proper tool for that yet, but you can observe the change
in the clock generator's register when the external clock is detected:

$ hackrf_si5351c -n 0 -r

Mike