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+--- Thread: "SOLVED" BT gps antenna AMTEC (/showthread.php?tid=79)
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"SOLVED" BT gps antenna AMTEC - cepicscepics - 2016-04-30
I all,
this is my first time on this forum..
I've installed a gps BT antenna AMTEC on a RPI3 with BLUEZ on openPlotter 0.7.1, but no gps data in OpenCpn
some idea??
best regards
RE: BT gps antenna AMTEC - Renato - 2016-04-30
Hi
try setting the baud rate to 4800
Ciao
RE: BT gps antenna AMTEC - cepicscepics - 2016-04-30
Hi Renato,
it doesn't work at 4800 baud too
thanks
Mauro
RE: BT gps antenna AMTEC - holgerw - 2016-05-01
you can only connect with one device to the gps.
try to shut off all other devices the gps was connected before.
bluetooth gps was is a little tricky.
i will send you my solution.
after adding this,
the serial connection was well for me after every restart.
# sudo nano /etc/rc.local
add lines like this at the end with the MAC Adresses of your BT gps!
# bluetooth gps
rfcomm bind 0 00:15:4B:11:1A:95
#rfcomm bind 2 20:13:07:31:20:47
rfcomm bind 1 20:13:07:31:19:51
#rfcomm bind 3 00:15:4B:11:1A:95
then the serial stream should get into the rfcomm device, test it with:
cat /dev/rfcomm0
RE: BT gps antenna AMTEC - cepicscepics - 2016-05-02
(2016-05-01, 11:29 PM)holgerw Wrote: you can only connect with one device to the gps.
try to shut off all other devices the gps was connected before.
bluetooth gps was is a little tricky.
i will send you my solution.
after adding this,
the serial connection was well for me after every restart.
# sudo nano /etc/rc.local
add lines like this at the end with the MAC Adresses of your BT gps!
# bluetooth gps
rfcomm bind 0 00:15:4B:11:1A:95
#rfcomm bind 2 20:13:07:31:20:47
rfcomm bind 1 20:13:07:31:19:51
#rfcomm bind 3 00:15:4B:11:1A:95
then the serial stream should get into the rfcomm device, test it with:
cat /dev/rfcomm0
Hi, thanks a lot
Maybe I didn't understood!!!
I delete all the connection in openplotter setting and I add a new one for GPS BT
I tried to add those line
# bluetooth gps
rfcomm bind 0 00:02:C7:15:94:34
#rfcomm bind 2 00:02:C7:15:94:34
rfcomm bind 1 00:02:C7:15:94:34
#rfcomm bind 3 00:02:C7:15:94:34
in
sudo nano /etc/rc.local
But nothing happened
I tried also to add those line in open plotter advanced setting, but nothing happened...
I tried to give command "cat /dev/rfcomm0" before and after to give "sudo rfcomm connect 0 00:02:C7:15:94:34 &"
I'm quite lost
Mauro
RE: BT gps antenna AMTEC - holgerw - 2016-05-02
cepicscepics
in
sudo nano /etc/rc.local
But nothing happened
I tried also to add those line in open plotter advanced setting, but nothing happened...
I tried to give command "cat /dev/rfcomm0" before and after to give "sudo rfcomm connect 0 00:02:C7:15:94:34 &"
hi Mario - if you setup with sudo you must read the dev also with these rights:
sudo cat /dev/rfcomm0
make /dev/rfcomm0 readable for user pi
sudo chown pi /dev/rfcomm0
or
sudo chmod +r /dev/rfcomm0
Also you only need one dev/rfcommx linefor your gps, the others are examples from my setup.
delete your second /DEV/RFCOMM line in rc.local. the # Lines are comments.
also you dont need these lines in kplex.conf - normaly this is only an one shot setup after booting. (/etc/rc.local)
but user pi must be able to read /dev/rfcomm0
good luck - Holger
RE: BT gps antenna AMTEC - cepicscepics - 2016-05-02
(2016-05-02, 11:58 AM)holgerw Wrote: cepicscepics
in
sudo nano /etc/rc.local
But nothing happened
I tried also to add those line in open plotter advanced setting, but nothing happened...
I tried to give command "cat /dev/rfcomm0" before and after to give "sudo rfcomm connect 0 00:02:C7:15:94:34 &"
hi Mario - if you setup with sudo you must read the dev also with these rights:
sudo cat /dev/rfcomm0
make /dev/rfcomm0 readable for user pi
sudo chown pi /dev/rfcomm0
or
sudo chmod +r /dev/rfcomm0
Also you only need one dev/rfcommx linefor your gps, the others are examples from my setup.
delete your second /DEV/RFCOMM line in rc.local. the # Lines are comments.
also you dont need these lines in kplex.conf - normaly this is only an one shot setup after booting. (/etc/rc.local)
but user pi must be able to read /dev/rfcomm0
good luck - Holger
thanks a lot for your patience
when I log in, if I try to type sudo cat /dev/rfcomm0, noting happens..
if I type first
sudo rfcomm connect 0 00:02:C7:15:94:34 &
and than
sudo cat /dev/rfcomm0
the terminal start giving data but nothing on OpenCPN
now this is my File: /etc/rc.local
and this my cleaned openplotter advanced setup
aiutoooo please
Mauro
RE: BT gps antenna AMTEC - holgerw - 2016-05-02
cepicscepics
holgerwcepicscepics
If you bind you Bluetooth in /etc/rc.local to 1
THEN
you shoult read it in also in /dev/rfcomm1 and NOT rfcomm0
RE: BT gps antenna AMTEC - cepicscepics - 2016-05-02
(2016-05-02, 03:57 PM)holgerw Wrote: cepicscepics
holgerwcepicscepics
If you bind you Bluetooth in /etc/rc.local to 1
THEN
you shoult read it in also in /dev/rfcomm1 and NOT rfcomm0
after boot, I open a terminal and I type:
sudo nano /etc/rc.local
I add this two line:
# bluetooth gps
rfcomm bind 1 00:02:C7:15:94:34
I save and exit
than I type:
sudo rfcomm connect 1 00:02:C7:15:94:34 &
the bluetooh icon became green
tan I type:
sudo cat /dev/rfcomm1
the terminal starts giving data
I close the terminal and I go in openplotter, I add a new serial imput on /dev/rfcomm1 at 4800 baud named gpsbt, I apply changes but nothing appens on OpenCPN
thanks a lot
RE: BT gps antenna AMTEC - Sailoog - 2016-05-02
If you have data in the terminal you are really close now.
Is OpenCPN listening to localhost 10110?
Do you have data in inspector window?