Re: [Discuss-gnuradio] Automatically Restart UHD/gr-uhd blocks

2015-02-19 Thread Martin Braun
On 02/19/2015 12:14 AM, John Malsbury wrote: > Dan, > > I think you were working a different, USB-related issues. > > My task is a bit different. The goal is not to power cycle the USRPs - > its to re-initialize and resume after and power cycle, without > intervention from an external executive

Re: [Discuss-gnuradio] Automatically Restart UHD/gr-uhd blocks

2015-02-18 Thread Marcus D. Leech
On 02/18/2015 06:14 PM, John Malsbury wrote: Dan, I think you were working a different, USB-related issues. My task is a bit different. The goal is not to power cycle the USRPs - its to re-initialize and resume after and power cycle, without intervention from an external executive or operato

Re: [Discuss-gnuradio] Automatically Restart UHD/gr-uhd blocks

2015-02-18 Thread John Malsbury
Dan, I think you were working a different, USB-related issues. My task is a bit different. The goal is not to power cycle the USRPs - its to re-initialize and resume after and power cycle, without intervention from an external executive or operator. (ie. by some task that monitors for a stop in

Re: [Discuss-gnuradio] Automatically Restart UHD/gr-uhd blocks

2015-02-18 Thread Dan CaJacob
I worked around a problem like this by installing an in-line power relay in my remote nodes. Not ideal, but in some rare situations, even forcing the FPGA to reload was not successful. Sometimes a power cycle was the only hope. That said, I've heard some lovely things about reset commands availa

[Discuss-gnuradio] Automatically Restart UHD/gr-uhd blocks

2015-02-18 Thread John Malsbury
I've recently received a request to have GNU Radio flowgraphs recover gracefully in the event of power glitches, or transient Ethernet anomalies that are severe enough to break the dataflow. ie. the event should be noted, but there should be a way to re-init the USRP for continued operation with r