Re: [casper] ROACH1 est_brd_clk()

2018-04-18 Thread Tom Kuiper
On 04/18/2018 10:53 AM, Gary, Dale E. wrote: What digitizer are these using?  We have had issues with the KATADC on ROACH2, which turns out to need some register initializations in order to function properly, and the symptom is a bad est_brd_clk() result. Hey, wow, Dale! That was fast.  Yes,

Re: [casper] ROACH1 est_brd_clk()

2018-04-18 Thread Gary, Dale E.
Hi Tom, What digitizer are these using? We have had issues with the KATADC on ROACH2, which turns out to need some register initializations in order to function properly, and the symptom is a bad est_brd_clk() result. Regards, Dale On Wed, Apr 18, 2018 at 1:48 PM, Tom Kuiper

[casper] ROACH1 est_brd_clk()

2018-04-18 Thread Tom Kuiper
What situations could cause est_brd_clk() to give the wrong answer? I have two ROACH1s and a Valon 5007.  Every time we check the Valon it puts out the required clock frequency, 1020 MHz, at about +7 dBm. When I initialize the ROACHs (roach1, roach2) from an ipython command line,