On Tue, Jun 27, 2017 at 5:39 PM, Timothy Litvin <[email protected]> wrote:
> Greetings from the steep learning curve.  I’m setting up my first Arduplane
> while learning Linux on my first AP (BBBlue) with my first GCS (Mission
> Planner) on Windows 10, for use in a custom vessel. Practically speaking,
> it's been a recipe for delayed gratification, uncomfortably akin to a monkey
> with a typewriter.
>
> I now have blue-arduplane running on the Bone (sudo
> /usr/bin/ardupilot/blue-arduplane -C udp:192.168.8.132:14550 -B /dev/ttyO5
> with telemetry reporting via wifi to my Windows 10 laptop, but no signal
> arrives from the GPS (booted, with flashing blue led). My GPS is a generic
> ublox neo-M8n (with compass), plugged into the GPS jst-sh (wired according
> to attached jpeg). Windows Device Manager reports ublox Virtual Com Port on
> COM5.
>
> I’m guessing the GPS needs to be further configured, i.e., I need to either
> download/install or create a new ublox-M8 configuration file. I've installed
> u-center to configure the GPS; u-center reports nothing.  That feed seems to
> imply/require a Passthrough connection in Mission Planner while running
> blue-arduplane) so, in the Flight Data screen, ctrl-F:
>
> It’s unclear whether the “MAVSerial pass” button is activated on click
> (doesn’t toggle color, just grays temporarily on rollover & click).
> u-center 8.25 doesn’t detect GPS on any port. Tried also creating a TCP
> connection in u-center through Network Connection, New, setting Address to
> tcp://localhost:500, set baud to 38400 (with and without AutoBaud) after
> which I get a Connection Error message.
>
> I then installed minicom on the Bone. When I run "dmesg | grep tty" I get:
>
>
>
> [    0.000000] Kernel command line: console=ttyO0,115200n8
> root=UUID=1b96dc8c-4e92-4f4f-86de-36d769439063 ro rootfstype=ext4 rootwait
> coherent_pool=1M net.ifnames=0 quiet cape_universal=enable
>
> [    0.002863] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0'
>
> [    2.492065] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 158,
> base_baud = 3000000) is a 8250
>
> [    2.505478] console [ttyS0] enabled
>
> [    2.506866] 48022000.serial: ttyS1 at MMIO 0x48022000 (irq = 159,
> base_baud = 3000000) is a 8250
>
> [    2.507975] 48024000.serial: ttyS2 at MMIO 0x48024000 (irq = 160,
> base_baud = 3000000) is a 8250
>
> [    2.509094] 481a6000.serial: ttyS3 at MMIO 0x481a6000 (irq = 161,
> base_baud = 3000000) is a 8250
>
> [    2.510109] 481a8000.serial: ttyS4 at MMIO 0x481a8000 (irq = 162,
> base_baud = 3000000) is a 8250
>
> [    2.511416] 481aa000.serial: ttyS5 at MMIO 0x481aa000 (irq = 163,
> base_baud = 3000000) is a 8250
>
> [    9.819121] systemd[1]: Created slice system-getty.slice.
>
> [    9.831852] systemd[1]: Created slice system-serial\x2dgetty.slice.
>
>
>
> In Minicom I took a blind whack at setting Serial Port ttyS5 (and ttyS4) to
> 38400 Baud, 8N1 and Hardware control on/off, to my chagrin, no effect on the
> non-existent GPS connection. U-center still can't connect, so I can't
> configure the GPS...if that's what i need to do. Minicom reports the port's
> values have been changed, but  "dmesg | grep tty" reports the same as above,
> unchanged. I've also tried using the -B /dev/ttyS5 alternative for GPS when
> starting blue-arduplane. At this point it occurs to me that I could've
> steered wrong repeatedly, or just missed a step.
>
> If you know what you’re doing, by now it’s probably clear that I don’t.
> Helpful hints anyone?

so you need to connect the pin to the peripheral:

#uart 2 (gps)
config-pin P9.21 uart
config-pin P9.22 uart

#uart 1
config-pin P9.24 uart
config-pin P9.26 uart

PS, i just pushed an arduplane deb update today too..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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