Re: [USRP-users] b200mini 1pps lock problem

2020-08-14 Thread Aaron Holtzman via USRP-users
On Thu, Aug 13, 2020 at 4:53 PM Marcus D. Leech wrote: > Has it always had this problem, or did it develop over time? > This is a new development, so yes. If you revert to UHD 3.14 does it display the same issue? > Yes. Does anyone have an FPGA build with chipscope hooked up to the b200_ref_

Re: [USRP-users] b200mini 1pps lock problem

2020-08-13 Thread Marcus D. Leech via USRP-users
On 08/13/2020 04:09 PM, Aaron Holtzman wrote: On Thu, Aug 13, 2020 at 3:14 PM Marcus D. Leech via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: How are you detecting "lock" By querying the "ref_locked" sensor, and also looking at the LED which is consistent. Could you sha

Re: [USRP-users] b200mini 1pps lock problem

2020-08-13 Thread Aaron Holtzman via USRP-users
On Thu, Aug 13, 2020 at 3:14 PM Marcus D. Leech via USRP-users < usrp-users@lists.ettus.com> wrote: > How are you detecting "lock" By querying the "ref_locked" sensor, and also looking at the LED which is consistent. > Could you share a code snippet of how you set up the clocking parameters?

Re: [USRP-users] b200mini 1pps lock problem

2020-08-13 Thread Marcus D. Leech via USRP-users
On 08/13/2020 01:34 PM, Aaron Holtzman via USRP-users wrote: Hi there, I have a problem with my b200mini application, where it will lock to my GPS sourced 1PPS when run 'cold', but if I restart the application it never locks. After I unplug the b200mini and let it sit for a while, it will wor

[USRP-users] b200mini 1pps lock problem

2020-08-13 Thread Aaron Holtzman via USRP-users
Hi there, I have a problem with my b200mini application, where it will lock to my GPS sourced 1PPS when run 'cold', but if I restart the application it never locks. After I unplug the b200mini and let it sit for a while, it will work again. I can also hit the TCXO with a little bit of canned air a