Date: Mon, 29 Apr 2013 09:56:40 +1000 From: Colin House <colin@restecp.com> To: Igor Mozolevsky <igor@hybrid-lab.co.uk> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: [UART] GPS 18-5Hz LVC and COM1 silence, OK on Linux though... Message-ID: <517DB738.4060902@restecp.com> In-Reply-To: <CADWvR2gUqifxF4562%2BTdBea9h%2BSEk-=7fUk8%2B18B-31Y0rh=wA@mail.gmail.com> References: <CADWvR2gUqifxF4562%2BTdBea9h%2BSEk-=7fUk8%2B18B-31Y0rh=wA@mail.gmail.com>
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On 29/04/2013 3:48 AM, Igor Mozolevsky wrote:
> Hi,
> I'm having issues connecting Garmin GPS 18 to COM1 on 9.1, I get
> nothing but silence. Identical setup works absolutely fine with Linux.
> I've got PPS wire connected to DCD, but that seems to make no
> difference on Linux, so I presume it shouldn't affect fbsd either.
...
>
> With FreeBSD, the story is different:
>
> # uname -a
> FreeBSD fbsd 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4
> 09:23:10 UTC 2012
> root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
>
> # stty -f /dev/cuau0.init raw 4800
>
> # stty -f /dev/cuau0.init -a
> speed 4800 baud; 0 rows; 0 columns;
> lflags: -icanon -isig -iexten -echo -echoe -echok echoke -echonl echoctl
> -echoprt -altwerase -noflsh -tostop -flusho -pendin -nokerninfo
> -extproc
> iflags: -istrip -icrnl -inlcr -igncr -ixon -ixoff ixany -imaxbel ignbrk
> -brkint -inpck -ignpar -parmrk
> oflags: -opost onlcr -ocrnl tab0 -onocr -onlret
> cflags: cread cs8 -parenb -parodd hupcl -clocal -cstopb -crtscts -dsrflow
> -dtrflow -mdmbuf
> cchars: discard = ^O; dsusp = ^Y; eof = ^D; eol = <undef>;
> eol2 = <undef>; erase = ^?; erase2 = ^H; intr = ^C; kill = ^U;
> lnext = ^V; min = 1; quit = ^\; reprint = ^R; start = ^Q;
> status = ^T; stop = ^S; susp = ^Z; time = 0; werase = ^W;
>
> # cu -l /dev/cuau0 -s 4800
> Connected
>
> and after the 'Connected' there is just silence (should be getting
> $GPGLL every 200ms from the GPS unit)...
>
>
>
> Obviously I'm missing something, just can't figure out what it is...
>
>
> Cheers,
>
If it helps any, I've got the 18x LVC (not the 5hz model) working on 9.0.
clock# uname -r
9.0-RELEASE
clock# head /dev/cuau0
$GPRMC,234655,A,3353.4847,S,15112.0482,E,000.0,130.4,280413,012.5,E*65
$GPGGA,234655,3353.4847,S,15112.0482,E,1,05,1.2,51.9,M,20.2,M,,*66
$GPGSA,A,3,02,05,17,24,25,,,,,,,,2.2,1.2,1.8*38
$GPGLL,3353.4847,S,15112.0482,E,234655,A*35
$GPRMC,234656,A,3353.4847,S,15112.0481,E,000.0,130.4,280413,012.5,E*65
$GPGGA,234656,3353.4847,S,15112.0481,E,1,05,1.2,51.9,M,20.2,M,,*66
$GPGSA,A,3,02,05,17,24,25,,,,,,,,2.2,1.2,1.8*38
$GPGLL,3353.4847,S,15112.0481,E,234656,A*35
$GPRMC,234657,A,3353.4848,S,15112.0480,E,000.0,130.4,280413,012.5,E*6A
$GPGGA,234657,3353.4848,S,15112.0480,E,1,04,1.8,52.0,M,20.2,M,,*68
clock#
It's been a good while since I set it up so I can't remember exactly
which hoops I may have had to jump through.
Not sure if any of this is particularly helpful/relevant or not..
clock# grep cuau0 /etc/*
/etc/devfs.conf:link cuau0 gps1
/etc/devfs.conf:link cuau0 pps1
/etc/remote: :dv=/dev/cuau0:cu=/dev/cuau0:at=hayes:du:pa=none:
/etc/remote:cuau0c|cua0c:dv=/dev/cuau0:br#9600:pa=none:
/etc/remote:uart0|com1:dv=/dev/cuau0:br#9600:pa=none:
clock# stty -a -f /dev/cuau0
speed 4800 baud; 0 rows; 0 columns;
lflags: -icanon -isig -iexten -echo -echoe -echok -echoke -echonl
-echoctl -echoprt -altwerase -noflsh -tostop -flusho -pendin
-nokerninfo -extproc
iflags: -istrip -icrnl -inlcr -igncr -ixon ixoff -ixany -imaxbel ignbrk
-brkint -inpck ignpar -parmrk
oflags: -opost -onlcr -ocrnl tab0 -onocr -onlret
cflags: cread cs8 -parenb -parodd -hupcl clocal -cstopb -crtscts -dsrflow
-dtrflow -mdmbuf
cchars: discard = ^@; dsusp = ^@; eof = ^@; eol = ^@; eol2 = ^@;
erase = ^@; erase2 = ^@; intr = ^@; kill = ^@; lnext = ^@;
min = 1; quit = ^@; reprint = ^@; start = ^@; status = ^@;
stop = ^@; susp = ^@; time = 0; werase = ^@;
clock# stty -a -f /dev/cuau0.init
speed 9600 baud; 0 rows; 0 columns;
lflags: icanon isig iexten echo echoe -echok echoke -echonl echoctl
-echoprt -altwerase -noflsh -tostop -flusho -pendin -nokerninfo
-extproc
iflags: -istrip icrnl -inlcr -igncr ixon -ixoff ixany imaxbel -ignbrk
brkint -inpck -ignpar -parmrk
oflags: opost onlcr -ocrnl tab0 -onocr -onlret
cflags: cread cs8 -parenb -parodd hupcl -clocal -cstopb -crtscts -dsrflow
-dtrflow -mdmbuf
cchars: discard = ^O; dsusp = ^Y; eof = ^D; eol = <undef>;
eol2 = <undef>; erase = ^?; erase2 = ^H; intr = ^C; kill = ^U;
lnext = ^V; min = 1; quit = ^\; reprint = ^R; start = ^Q;
status = ^T; stop = ^S; susp = ^Z; time = 0; werase = ^W;
clock# ntpq -pn | grep 127
127.127.1.0 .LOCL. 10 l 13 64 377 0.000 0.000 0.002
127.127.20.1 .NMEA. 0 l 1107 16 0 0.000 0.029 0.002
o127.127.22.1 .PPS. 0 l 10 16 377 0.000 0.033 0.002
clock# grep 127.127 /etc/ntp.conf
restrict 127.127.1.0
server 127.127.1.0
fudge 127.127.1.0 stratum 10
server 127.127.20.1 mode 0 minpoll 4 prefer # maxpoll 4
prefer
fudge 127.127.20.1 flag1 1 flag2 0 time2 0.600 refid NMEA
server 127.127.22.1 mode 0 minpoll 2 prefer iburst
fudge 127.127.22.1 refid PPS
hope this helps..
col
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