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[gpsd-users] gpsd loses the connection with the M8T when Raw is enabled.


From: Stéphane Péneau
Subject: [gpsd-users] gpsd loses the connection with the M8T when Raw is enabled.
Date: Sat, 13 Apr 2019 15:16:48 +0200
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

Hi !

I use a Raspberry Pi 2, with Raspbian Stretch (4.14.98) and a U-blox neo-M8T connected on the uart and the timepulse on the gpio18.

I need the nmea stream for a python script, and the raw stream to postprocess the data with RTKLIB.

When only nmea is enabled, everything is fine.

But when I enabled UBX-RAWX and UBX-SFRBX, gpsd regularly loses the connection and I don't receive any data for a few minutes.

When I start gpsd with debug enabled, I see that it retry to connect to the uart with a different speed and I don't understand why.

The full  log is attached with this mail

$ cat gpsd_log/gpsd-SER_reset.log | grep "SER:"

gpsd:INFO: SER: opening GPS data source type 2 at '/dev/ttyAMA0'
gpsd:INFO: SER: speed 115200, 8N1
gpsd:IO: SER: => GPS: $PASHQ,RID*28\x0d\x0a
gpsd:IO: SER: => GPS: @F0.3=1*67\x0d\x0a
gpsd:IO: SER: => GPS: @F2.2=1*64\x0d\x0a
gpsd:IO: SER: => GPS: GPS:GPGGA 1\x0d\x0a
gpsd:IO: SER: => GPS: address@hidden
gpsd:IO: SER: => GPS: %vendor%print,/par/rcv/address@hidden
gpsd:IO: SER: => GPS: @@Cj)\x0d\x0a%print,/par/rcv/address@hidden
gpsd:IO: SER: => GPS: 5053474700c100010000000050924746
gpsd:INFO: SER: speed 9600, 8O1
gpsd:IO: SER: => GPS: $PASHQ,RID*28\x0d\x0a
gpsd:IO: SER: => GPS: @F0.3=1*67\x0d\x0a
gpsd:IO: SER: => GPS: @F2.2=1*64\x0d\x0a
gpsd:IO: SER: => GPS: address@hidden
gpsd:IO: SER: => GPS: %vendor%print,/par/rcv/address@hidden
gpsd:IO: SER: => GPS: @@Cj)\x0d\x0a%print,/par/rcv/address@hidden
gpsd:INFO: SER: speed 115200, 8N1
gpsd:IO: SER: => GPS: $PASHQ,RID*28\x0d\x0a
gpsd:IO: SER: => GPS: @F0.3=1*67\x0d\x0a
gpsd:IO: SER: => GPS: @F2.2=1*64\x0d\x0a
gpsd:IO: SER: => GPS: GPS:GPGGA 1\x0d\x0a
gpsd:IO: SER: => GPS: address@hidden
gpsd:IO: SER: => GPS: %vendor%print,/par/rcv/address@hidden
gpsd:IO: SER: => GPS: @@Cj)\x0d\x0a%print,/par/rcv/address@hidden
gpsd:INFO: SER: speed 9600, 8N1
gpsd:IO: SER: => GPS: $PASHQ,RID*28\x0d\x0a
gpsd:IO: SER: => GPS: @F0.3=1*67\x0d\x0a
gpsd:IO: SER: => GPS: @F2.2=1*64\x0d\x0a
gpsd:IO: SER: => GPS: address@hidden
gpsd:IO: SER: => GPS: %vendor%print,/par/rcv/address@hidden
gpsd:IO: SER: => GPS: @@Cj)\x0d\x0a%print,/par/rcv/address@hidden
gpsd:IO: SER: => GPS: @@@@\x0d\x0aMAW0C0B\x0d\x0a
gpsd:INFO: SER: speed 115200, 8N1
gpsd:IO: SER: => GPS: $PASHQ,RID*28\x0d\x0a
gpsd:IO: SER: => GPS: @F0.3=1*67\x0d\x0a
gpsd:IO: SER: => GPS: @F2.2=1*64\x0d\x0a
gpsd:IO: SER: => GPS: GPS:GPGGA 1\x0d\x0a
gpsd:IO: SER: => GPS: address@hidden
gpsd:IO: SER: => GPS: %vendor%print,/par/rcv/address@hidden
gpsd:IO: SER: => GPS: @@Cj)\x0d\x0a%print,/par/rcv/address@hidden
gpsd:IO: SER: => GPS: $PGRMCE*0E\x0d\x0a
gpsd:IO: SER: => GPS: $PSRF100,0,115200,8,1,0*04\x0d\x0a
gpsd:IO: SER: => GPS: $PFEC,GPint*58\x0d\x0a
gpsd:IO: SER: => GPS: $PTNLSNM,0139,01*5C\x0d\x0a
gpsd:IO: SER: => GPS: 1002128e7f0101000101010000000000000000131003
gpsd:IO: SER: => GPS: $PFEC,GPsrq*5B\x0d\x0a
gpsd:IO: SER: => GPS: $PASHQ,RID*28\x0d\x0a
gpsd:IO: SER: => GPS: b562060000000618
gpsd:IO: SER: => GPS: $PMTK605*31\x0d\x0a
gpsd:IO: SER: => GPS: print,/par/rcv/vendor\x0d\x0a
gpsd:IO: SER: => GPS: b5620a0400000e34
gpsd:IO: SER: => GPS: b56206160800030703000000000031e5
gpsd:IO: SER: => GPS: b5620600140001000000d008000000c201000700010000000000be72
gpsd:IO: SER: => GPS: b5620a0400000e34
gpsd:IO: SER: => GPS: b56206010300010401104b
gpsd:IO: SER: => GPS: b56206010300010601124f
gpsd:IO: SER: => GPS: b562060103000120012c83
gpsd:IO: SER: => GPS: b5620601030001300a45ac
gpsd:IO: SER: => GPS: b5620601030001320a47b0
gpsd:IO: SER: => GPS: b562060103000101010d45
gpsd:IO: SER: => GPS: b562060103000111011d65
gpsd:INFO: SER: speed 4800, 8N1
gpsd:INFO: SER: speed 9600, 8N1
gpsd:INFO: SER: speed 19200, 8N1
gpsd:INFO: SER: speed 38400, 8N1
gpsd:INFO: SER: speed 57600, 8N1
gpsd:INFO: SER: speed 115200, 8N1
gpsd:INFO: SER: speed 230400, 8N1
gpsd:INFO: SER: speed 230400, 7N2
gpsd:INFO: SER: speed 4800, 7N2
gpsd:INFO: SER: speed 9600, 7N2
gpsd:INFO: SER: speed 19200, 7N2
gpsd:INFO: SER: speed 38400, 7N2
gpsd:INFO: SER: speed 57600, 7N2
gpsd:INFO: SER: speed 115200, 7N2
gpsd:INFO: SER: speed 230400, 7N2
gpsd:IO: SER: => GPS: b56206040400000001000f66
gpsd:IO: SER: => GPS: b5620600140001000000d0280000008403000700020000000000a3c2
gpsd:IO: SER: => GPS: b562060103000104000f4a
gpsd:IO: SER: => GPS: b56206010300010600114e
gpsd:IO: SER: => GPS: b562060103000120002b82
gpsd:IO: SER: => GPS: b562060103000130003ba2
gpsd:IO: SER: => GPS: b562060103000132003da6
gpsd:IO: SER: => GPS: b56206010300f009010422
gpsd:IO: SER: => GPS: b56206010300f00001fb10
gpsd:IO: SER: => GPS: b56206010300f00201fd14
gpsd:IO: SER: => GPS: b56206010300f00701021e
gpsd:IO: SER: => GPS: b56206010300f00301fe16
gpsd:IO: SER: => GPS: b56206010300f00401ff18
gpsd:IO: SER: => GPS: b56206010300f00501001a
gpsd:IO: SER: => GPS: b56206010300f008010320
gpsd:INFO: SER: opening GPS data source type 2 at '/dev/ttyAMA0'
gpsd:INFO: SER: speed 115200, 8N1
gpsd:IO: SER: => GPS: 5053474700c100010000000050924746
gpsd:INFO: SER: speed 9600, 8O1
gpsd:INFO: SER: speed 115200, 8N1
gpsd:INFO: SER: speed 9600, 8N1
gpsd:IO: SER: => GPS: @@@@\x0d\x0aMAW0C0B\x0d\x0a
gpsd:INFO: SER: speed 115200, 8N1
gpsd:IO: SER: => GPS: b56206040400000001000f66
gpsd:IO: SER: => GPS: b5620600140001000000d008000000c201000700020000000000bf78
gpsd:IO: SER: => GPS: b562060103000104000f4a
gpsd:IO: SER: => GPS: b56206010300010600114e
gpsd:IO: SER: => GPS: b562060103000120002b82
gpsd:IO: SER: => GPS: b562060103000130003ba2
gpsd:IO: SER: => GPS: b562060103000132003da6
gpsd:IO: SER: => GPS: b56206010300f009010422
gpsd:IO: SER: => GPS: b56206010300f00001fb10
gpsd:IO: SER: => GPS: b56206010300f00201fd14
gpsd:IO: SER: => GPS: b56206010300f00701021e
gpsd:IO: SER: => GPS: b56206010300f00301fe16
gpsd:IO: SER: => GPS: b56206010300f00401ff18
gpsd:IO: SER: => GPS: b56206010300f00501001a
gpsd:IO: SER: => GPS: b56206010300f008010320


Best regards

Stéphane

Attachment: gpsd_log.tar.gz
Description: GNU Zip compressed data


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