Date: Sun, 12 May 2013 12:54:26 -0700 From: hiren panchasara <hiren.panchasara@gmail.com> To: Tim Kientzle <kientzle@acm.org> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Connecting to Beablebone Message-ID: <CALCpEUG=hkNa1-9GNgZhgNh2g32L8tse_-ydjG6QiL=3qfVHrg@mail.gmail.com> In-Reply-To: <DABEE6F7-BC8C-4D14-9515-1500AE744AE6@acm.org> References: <CALCpEUGGUjZkciUARw-54qEnbN%2BFequ_iQ46gEcw4G=Td%2BMsiw@mail.gmail.com> <CAGtf9xNs1M=Jz=G2EMNyeowzD33sUEZ3ukUnCe_2sAAhXyMk-Q@mail.gmail.com> <CALCpEUG2gA1a=qxHTYg7utsjePFBY4b%2B%2BHuJdkvfsU1zqAOGuw@mail.gmail.com> <20130510024232.GA10543@thinkbsd.divinix.org> <CALCpEUGKYkOcGRTdVwvZoO1gm23XmnVV3SwkNzJVXvnBMK%2BM=g@mail.gmail.com> <CALCpEUE26fR-oXTGiG5yoNksoyqnUx7N%2BoTWuheO9P-Kfbn-dw@mail.gmail.com> <CD9C587D-5124-46E5-9A12-FE92B3F03139@acm.org> <CALCpEUHMYvtnH-A4M2xDNiRqTGsyF5fYEnQo8nNY-9UxZCEdFw@mail.gmail.com> <DABEE6F7-BC8C-4D14-9515-1500AE744AE6@acm.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, May 11, 2013 at 3:44 PM, Tim Kientzle <kientzle@acm.org> wrote: > > On May 11, 2013, at 1:30 PM, hiren panchasara wrote: > >> On Sat, May 11, 2013 at 9:11 AM, Tim Kientzle <kientzle@acm.org> wrote: >>> >>> On May 11, 2013, at 12:59 AM, hiren panchasara wrote: >>> >>>> I found one of these: >>>> http://www.amazon.com/gp/product/B006JKNWLE/ref=oh_details_o06_s00_i00?ie=UTF8&psc=1 >>>> >>>> And I've connected it to laptop as shown in: >>>> http://www.strugglingcoder.info/pics/bb1.jpg >>>> and on beaglebone as shown in: http://www.strugglingcoder.info/pics/bb2.jpg > > There's no DNS entry for struggling.dyndns-home.com > >>>> As per the schematic info I derived: >>>> Pin 1: GND >>>> Pin 4: RX >>>> Pin 5: TX >>>> >>>> I can still not see anything after connecting to "cu -l cuaU0". >>> >>> You probably need to set the speed: >>> >>> cu -s 115200 -l cuaU0 >> >> Doesn't seem to help. I've been following instructions at >> https://wiki.freebsd.org/FreeBSD/arm/BeagleBoneBlack > > > I have noticed with the Adafruit cable that the serial connection > sometimes just stops when I reboot or cycle the power. > > The following seems to reliably restart the serial port: > * Leave the serial cable connected. > * Remove power from the BBB > * Press and hold the boot switch > * Plug power back in while holding the boot switch. > * Count to three and release the boot switch > > Finally, of course, are you sure that your cable is > supported by your laptop? USB-to-serial adapters > seem to be surprisingly variable. Huh, usb-to-serial cable was acting funny. It seems to be doing its thing now. BTW, If I hole boot switch and plug in power, I only see "CCCC...." on the console. If I plug power without that, I am getting things. (which seems to be stuck on uboot but thats another story). Building new image right now and see how it goes. Thanks a ton to all for your help. cheers, Hiren > > Tim > > >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CALCpEUG=hkNa1-9GNgZhgNh2g32L8tse_-ydjG6QiL=3qfVHrg>