helpGPSD - Support: sr #109684, gpsd does not update shared memory

 
 

sr #109684: gpsd does not update shared memory

Submitted by:  None
Submitted on:  Mon 13 May 2019 01:33:27 PM UTC  
 
Category:  None Priority:  5 - Normal
Severity:  3 - Normal Status:  None
Privacy:  Public Assigned to:  None
Originator Email:  -email is unavailable- Open/Closed:  Open
Operating System:  GNU/Linux

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Mon 13 May 2019 01:33:27 PM UTC, original submission:

start gpsd, then make sure it reads your incoming gps data. cgps or xgps works as expected:

┌───────────────────────────────────────────┐┌─────────────────────────────────┐
│    Time:       2019-05-13T13:25:52.000Z   ││PRN:   Elev:  Azim:  SNR:  Used: │
│    Latitude:    48.220971 N               ││  78    71    296    34      Y   │
│    Longitude:   11.589894 E               ││  87    61    032    46      Y   │
│    Altitude:   470.3 m                    ││  79    20    325    39      Y   │
│    Speed:      0.0 kph                    ││  81    16    232    23      Y   │
│    Heading:    181.3 deg (true)           ││  71    10    042    27      Y   │
│    Climb:      0.0 m/min                  ││  70    06    356    25      Y   │
│    Status:     3D FIX (11 secs)           ││                                 │
│    Longitude Err:   +/- 12 m              ││                                 │
│    Latitude Err:    +/- 20 m              ││                                 │
│    Altitude Err:    +/- 16 m              ││                                 │
│    Course Err:      n/a                   ││                                 │
│    Speed Err:       +/- 144 kph           ││                                 │
│    Time offset:     1.418                 ││                                 │
│    Grid Square:     JN58tf                ││                                 │
└───────────────────────────────────────────┘└─────────────────────────────────┘

┌───────────────────────────────────────────┐┌─────────────────────────────────┐
│    Time:       2019-05-13T13:26:18.000Z   ││PRN:   Elev:  Azim:  SNR:  Used: │
│    Latitude:    48.220972 N               ││  78    71    296    22      Y   │
│    Longitude:   11.589903 E               ││  87    61    032    45      Y   │
│    Altitude:   470.4 m                    ││  79    20    325    40      Y   │
│    Speed:      0.0 kph                    ││  81    16    232    18      Y   │
│    Heading:    182.1 deg (true)           ││  70    06    356    23      Y   │
│    Climb:      0.0 m/min                  ││                                 │
│    Status:     3D FIX (36 secs)           ││                                 │
│    Longitude Err:   +/- 12 m              ││                                 │
│    Latitude Err:    +/- 20 m              ││                                 │
│    Altitude Err:    +/- 16 m              ││                                 │
│    Course Err:      n/a                   ││                                 │
│    Speed Err:       +/- 144 kph           ││                                 │
│    Time offset:     0.417                 ││                                 │
│    Grid Square:     JN58tf                ││                                 │
└───────────────────────────────────────────┘└─────────────────────────────────┘

try to connect using ntpshmmon:

ntpshmmon version 1
#      Name   Seen@                Clock                Real               L Prec

The line above wont update. Never. No more lines. Shared memory will never change at all.

Seen with:

Besides: I have to first start gpsd, then setserial, then reinitialize gps. All other variants fail, because gpsd seems to reset bauddate to something inappropriate.

Anonymous

 

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