I'm using Android with a 3.8 kernel. Keith
On Thu, Jun 9, 2016 at 10:02 AM, Keith Conger <[email protected]> wrote: > Hi Theodore, > > Add the following to uEnv.txt kernel options > capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN > > > This was valid for the kernel I was running. > > > Keith > > > On Thu, Jun 9, 2016 at 9:43 AM, Theo McDonald <[email protected]> > wrote: > >> I have the Adafruit Ultimate GPS (https://www.adafruit.com/product/746) >> on a BBB right now, and I get a fix often inside, I have yet to try >> outdoors. Though that is quite interesting that your having RF issues! How >> did you shutoff the HDMI, super beginner here with respect to embedded >> devices. >> >> On Sun, May 15, 2016 at 6:18 PM, Keith Conger <[email protected]> >> wrote: >> >>> I had the same issue with my Adafruit GPS. I was able to resolve it by >>> shutting off HDMI. >>> >>> Keith >>> >>> On Sunday, November 17, 2013 at 4:59:52 PM UTC-7, [email protected] >>> wrote: >>>> >>>> Hello everyone, >>>> >>>> Sorry for the repost. i had posted this on the BeaglBone group, but >>>> this is a BBB issue. >>>> >>>> I am having some problems trying to use a GPS receiver with the >>>> BeagleBone black. I connected a PMB-648/688 module to one of the BBB UART >>>> ports. I can see the NMEA messages coming from the GPS receiver, but I >>>> never get a valid fix. I doesn't report any satellites in view (GPGSV >>>> messages). Not even if I leave it on my rooftop for a couple hours. >>>> >>>> Initially I thought it might be a problem with the GPS receivers, so I >>>> tested them on my laptop. Every one of the receivers I have worked fine, >>>> taking a less than a minute to get a fix from my window. >>>> >>>> The next thing i thought was that there might be some power supply >>>> noise messing with the GPS receiver, so I tried powering the receiver by >>>> itself (connecting the grounds of my receiver supply and the BBB). >>>> Surprisingly, this worked. More surprisingly, it stopped working If I moved >>>> the BBB close to the GPS receiver. >>>> >>>> This lead me to suspect that the BBB might be causing some RF >>>> interference on the GPS frequency band. My next test was to have the GPS >>>> receiver and the BBB powered independently. This confirmed my suspicion. If >>>> I powered the GPS receiver, waited until it got a valid GPS fix, powered >>>> the BBB, and placed the BBB close to the GPS receiver, the I would get the >>>> same result as before. No GPS fix, no satellites in view. Since the two >>>> devices are being powered with two independent power sources, then the BBB >>>> must be causing some RF interference. I do not have a RF spectrum analyzer >>>> to confirm this, but I do not see any other reason.I tested this with three >>>> different BBB and 6 different PMB-648/688. I always got the same result. >>>> >>>> I tried the same GPS receiver on a Raspberry Pi and It works fine, so >>>> that is what I am going to work with for the moment. But I really like the >>>> BBB, and would love to use it for my application. Is there anything I could >>>> do to fix this? >>>> >>>> I'm sure other people have used GPS receivers with the BBB. Can anyone >>>> recommend a GPS receiver that works with the BBB? I'm looking for a >>>> receiver that's approximately the same size (3cm*3cm) and price ($35-$40) >>>> as the PMB-648/688. I'm getting the Adafruit Ultimate GPS soon, so I'll >>>> report about that. >>>> >>>> Thanks! >>>> >>>> --Juan Camilo >>>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/beagleboard/c5fcde70-3c7f-41ed-8a5c-f8cd382935d5%40googlegroups.com >>> <https://groups.google.com/d/msgid/beagleboard/c5fcde70-3c7f-41ed-8a5c-f8cd382935d5%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> Theodore B. McDonald >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "BeagleBoard" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/beagleboard/I6RGYFllin8/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/beagleboard/CAOke5MFBtasrZp8kn3EsrSYax%3Djc2AusLZAPwivwcPpxpnJgvw%40mail.gmail.com >> <https://groups.google.com/d/msgid/beagleboard/CAOke5MFBtasrZp8kn3EsrSYax%3Djc2AusLZAPwivwcPpxpnJgvw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Keith Conger > keith DOT conger AT gmail DOT com > http://thecongers.org > -- Keith Conger keith DOT conger AT gmail DOT com http://thecongers.org -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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