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+--- Thread: Enabling GPS on RPI 4 (GlobalSat BU 353S4) (/showthread.php?tid=2214)
Enabling GPS on RPI 4 (GlobalSat BU 353S4) - kwsherwood - 2020-01-07
Wanted to share my path for those who might also have struggled a bit to get the GPS puck (Global Sat BU 35324 ) running on the PI 4
Problems
(as best I understand it)
1) BU-353 is set to binary mode by default
2) Linux GPSD prefers NMEA 0183
[Elsewhere there are instructions for installing a RAR package on Raspian for building the Global Sat proprietary driver, but this ended in a dead end for me]
---
STEPS
1) Identify where the device is being assigned
Find the name / company (eg. Prolific ..)
$lsusb
$ Bus 001 Device 011: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
Then determine the where it's assigned
$dmesg
. . . .
[ 3616.831274] usb 1-1.3: Manufacturer: Prolific Technology Inc.
2)
In terminal, change it from binary to NMEA mode (*note, I determined mine was assigned to USB1.
You might find yours is USB0 etc., modify as required)
$ gpsctl -f -n -s 4800 /dev/ttyUSB1
$ /dev/ttyUSB1 identified as a SiRF 9GSD4e_4.1.2-P1_RPATCH.05-F-GPS-4R-1510281 11/03/2015 307 at 4800 baud.
gpsctl:SHOUT: switching to mode NMEA.
3) Using Open Plotter "serial" menu
assign alias to appropriate device
/dev/ttyOP_ gps
set data type to NMEA 0183
"Apply" changes
4 Assign
Open the connections tab, select "ADD to GPSD"
5 Check
in terminal run
cgps -s
6 OpenCPN
Setup: Options / connections
Add connection, Network
Select GPSD
RE: Enabling GPS on RPI 4 (GlobalSat BU 353S4) - Sailoog - 2020-01-07
I would suggest changes:
4 Assign
Open the connections tab, select "ADD to Signal K"
5 OpenCPN
Setup: Options / connections
Add connection, Network TCP localhost 10110
This way you will have data in Signal K and OpenCPN at once.
RE: Enabling GPS on RPI 4 (GlobalSat BU 353S4) - epwhesq - 2020-06-06
(2020-01-07, 08:49 AM)kwsherwood Wrote: Wanted to share my path for those who might also have struggled a bit to get the GPS puck (Global Sat BU 35324 ) running on the PI 4At step 2 I only get "device must be specified for low-level access". Tried the command with sudo and got the same error. Not quite sure what to do here?
Problems
(as best I understand it)
1) BU-353 is set to binary mode by default
2) Linux GPSD prefers NMEA 0183
[Elsewhere there are instructions for installing a RAR package on Raspian for building the Global Sat proprietary driver, but this ended in a dead end for me]
---
STEPS
1) Identify where the device is being assigned
Find the name / company (eg. Prolific ..)
$lsusb
$ Bus 001 Device 011: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
Then determine the where it's assigned
$dmesg
. . . .
[ 3616.831274] usb 1-1.3: Manufacturer: Prolific Technology Inc.
2)
In terminal, change it from binary to NMEA mode (*note, I determined mine was assigned to USB1.
You might find yours is USB0 etc., modify as required)
$ gpsctl -f -n -s 4800 /dev/ttyUSB1
$ /dev/ttyUSB1 identified as a SiRF 9GSD4e_4.1.2-P1_RPATCH.05-F-GPS-4R-1510281 11/03/2015 307 at 4800 baud.
gpsctl:SHOUT: switching to mode NMEA.
3) Using Open Plotter "serial" menu
assign alias to appropriate device
/dev/ttyOP_ gps
set data type to NMEA 0183
"Apply" changes
4 Assign
Open the connections tab, select "ADD to GPSD"
5 Check
in terminal run
cgps -s
6 OpenCPN
Setup: Options / connections
Add connection, Network
Select GPSD