Hi Ryan, What machine you are using? FWIW, we had hard time time connecting from RedHat, it just worked smoothly with Windows and Ubuntu.
Thanks, Nimish On Mon, May 20, 2013 at 2:56 PM, David MacMahon <[email protected]>wrote: > Hi, Ryan, > > Just for something else to try, this is the exact command that I use: > > screen /dev/ttyUSB2 115200 > > When finished, I use "<cmd>k" to close the screen session (<cmd> is the > screen command character, which defaults to CTRL-A but I remap to CTRL-Z in > my .screenrc file). > > Have you tried a "known good" ROACH2 with this computer? > > Dave > > On May 20, 2013, at 11:48 AM, Ryan Monroe wrote: > > > Hey David, > > > > We noticed the dialout group thing, and have tested it with me being > both root (via sudo minicom USBTTY2) and dialout. Thanks! > > > > --Ryan Monroe > > 626.773.0805 > > > > On 05/20/2013 11:46 AM, David MacMahon wrote: > >> Hi, Ryan, > >> > >> Everything seems OK. Were you root or a member of the dialout group > when you tried connecting? I use screen instead of minicom, so I can't > offer any extra ideas regarding minicom itself. > >> > >> FWIW, /dev/ttyUSB2 is the one that usually works for me. > >> > >> Dave > >> > >> On May 20, 2013, at 11:34 AM, Ryan Monroe wrote: > >> > >>> Hey all, sorry for the spam :-( > >>> > >>> I'm trying to communicate with my ROACH2 for initial configuration. > My understanding is that we should set up a machine per this <link>. Then > use the USB port the same way we used serial for ROACH1... just over either > ttyUSB2 or ttyUSB3. > >>> > >>> My problem is that I receive no communications from the ROACH through > USB. After configuring the settings in minicom (filename, flow control, > init/reset string), I can connect to the four USB virtual serial ports on > the ROACH2, but I receive no data upon starting it up. Here's the test I > ran: > >>> > >>> > >>> ==================================== > >>> <Initial state: computer off, ROACH2 unplugged, USB cable disconnected> > >>> Start up computer. Connect ROACH2 to power. Do not start up ROACH2. > >>> <USB_OK led is off> > >>> > >>> Upon logging in, run "dmesg > tc_dmesg_preUSB.txt" (see file) > >>> run "ls /dev/ttyUSB*" (see results in "tc_lsOnUSB.txt") > >>> > >>> Plug in the USB cable to both ends > >>> run "dmesg > tc_dmesg_postUSB.txt" (see file) > >>> run "ls /dev/ttyUSB*" (see results in "tc_lsOnUSB.txt") > >>> <USB_OK led turns on> > >>> > >>> Run "sudo minicom -s TTYUSB2" and "sudo minicom -s TTYUSB3". Take a > screenshot to display the state of the configurations > (tc_minicom_settings.jpg) > >>> > >>> Run: > >>> "sudo minicom TTYUSB0" > >>> "sudo minicom TTYUSB1" > >>> "sudo minicom TTYUSB2" > >>> "sudo minicom TTYUSB3" > >>> > >>> Take a screenshot (tc_before_powering_roach.jpg) > >>> Press the ROACH2 power button > >>> Wait several minutes > >>> Take a screenshot to show that we received nothing from the ROACH. > (tc_before_powering_roach.jpg ... it was the same result) > >>> > >>> Unplug the USB cable > >>> Watch as the four minicom terminals fill with error messages > (tc_usb_removed.png) > >>> ===================================== > >>> > >>> > >>> So ladies and gents, any ideas? Thanks in advance! > >>> -- > >>> --Ryan Monroe > >>> 626.773.0805 > >>> > >>> > <tc_lsOnUSB.txt><tc_dmesg_postUSB.txt><tc_dmesg_preUSB.txt><tc_minicom_settings.jpg><tc_before_powering_roach.jpg><tc_usb_removed.png> > > > > >
