Re: [gpsd-users] Communication loss with GR-701W

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Re: [gpsd-users] Communication loss with GR-701W

From:	Benoît Thébaudeau
Subject:	Re: [gpsd-users] Communication loss with GR-701W
Date:	Thu, 23 May 2019 12:18:57 +0200
User-agent:	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

Hi Gary,

Le 22/05/2019 à 22:07, Gary E. Miller a écrit :
> 
> WHat happens if you try "ubxtool -b BINARY" after the GPS goes
> silent?

With "ubxtool -P 14 -e BINARY" alone, not much happens:
8><----------------------
ubxtool: enable BINARY
sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: DOP(0x4) Rate:1

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: SOL(0x6) Rate:1

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: TIMEGPS(0x20) Rate:1

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: SBAS(0x32) Rate:10

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: SVINFO(0x30) Rate:10

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: SAT(0x35) Rate:0
8><----------------------

But the GR-701W recovers with the following sequence:

ubxtool -P 14 -d NMEA
8><----------------------
ubxtool: disable NMEA
sent:
UBX-CFG-MSG:
 Rate set: Class: 0xf0 ID: 0x9 Rate:0

sent:
UBX-CFG-MSG:
 Rate set: Class: 0xf0 ID: 0x0 Rate:0

sent:
UBX-CFG-MSG:
 Rate set: Class: 0xf0 ID: 0x1 Rate:0

sent:
UBX-CFG-MSG:
 Rate set: Class: 0xf0 ID: 0x2 Rate:0

sent:
UBX-CFG-MSG:
 Rate set: Class: 0xf0 ID: 0x7 Rate:0

sent:
UBX-CFG-MSG:
 Rate set: Class: 0xf0 ID: 0x3 Rate:0

sent:
UBX-CFG-MSG:
 Rate set: Class: 0xf0 ID: 0x4 Rate:0

sent:
UBX-CFG-MSG:
 Rate set: Class: 0xf0 ID: 0x5 Rate:0

sent:
UBX-CFG-MSG:
 Rate set: Class: 0xf0 ID: 0x8 Rate:0
8><----------------------

ubxtool -P 14 -e BINARY
8><----------------------
ubxtool: enable BINARY
sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: DOP(0x4) Rate:1

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: SOL(0x6) Rate:1

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: TIMEGPS(0x20) Rate:1

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: SBAS(0x32) Rate:10

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: SVINFO(0x30) Rate:10

sent:
UBX-CFG-MSG:
 Rate set: Class: NAV(0x1) ID: SAT(0x35) Rate:0

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-NAK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-NAK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-ACK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-ACK-NAK:
 ACK to: Class: CFG(0x6) ID: MSG(0x1)

UBX-NAV-SOL:
 iTOW:381197000 ms, fTOW -415324 ns, week:2054 gpsFix:3 flags:0xdd
 ECEF X:4344396.550 Y:-128861.120 Z:4652421.860 pAcc:27.720
 VECEF X:0.370 Y:0.130 Z:0.570 vAcc:0.540
 pDOP:3.11 numSV:5
   gpsFix: 3D
   flags: GPSfixOK WKNSET TOWSET

UBX-NAV-SVINFO:
 iTOW:381197000 ms, numCh:17 globalFlags:3
  chn   3 svid   2 flags 0x0d quality 0x7 cno 30 elev  25 azim  89 prRes   -112
   svUsed orbitAvail orbitEph 
  chn  13 svid   3 flags 0x04 quality 0x1 cno  0 elev   0 azim 345 prRes      0
   orbitAvail 
  chn   5 svid   6 flags 0x0d quality 0x4 cno 19 elev  17 azim  50 prRes   -408
   svUsed orbitAvail orbitEph 
  chn   0 svid  12 flags 0x0d quality 0x4 cno 26 elev  59 azim  57 prRes      8
   svUsed orbitAvail orbitEph 
  chn   9 svid  14 flags 0x04 quality 0x4 cno 15 elev  39 azim 295 prRes      0
   orbitAvail 
  chn   6 svid  19 flags 0x0c quality 0x1 cno  0 elev   2 azim  35 prRes      0
   orbitAvail orbitEph 
  chn   2 svid  24 flags 0x0d quality 0x4 cno 29 elev  32 azim 130 prRes    124
   svUsed orbitAvail orbitEph 
  chn   7 svid  25 flags 0x04 quality 0x4 cno 17 elev  74 azim 293 prRes      0
   orbitAvail 
  chn   8 svid  29 flags 0x04 quality 0x4 cno 19 elev  40 azim 189 prRes      0
   orbitAvail 
  chn  12 svid  31 flags 0x04 quality 0x1 cno  0 elev  21 azim 304 prRes      0
   orbitAvail 
  chn   1 svid  32 flags 0x0d quality 0x7 cno 35 elev  44 azim 270 prRes   -124
   svUsed orbitAvail orbitEph 
  chn  11 svid 120 flags 0x10 quality 0x1 cno  0 elev  34 azim 199 prRes      0
   unhealthy 
  chn  10 svid 123 flags 0x14 quality 0x3 cno 30 elev  27 azim 138 prRes      0
   orbitAvail unhealthy 
  chn   4 svid 136 flags 0x14 quality 0x1 cno  0 elev  35 azim 171 prRes      0
   orbitAvail unhealthy 
  chn  14 svid 194 flags 0x10 quality 0x1 cno  0 elev -91 azim   0 prRes      0
   unhealthy 
  chn  15 svid 195 flags 0x10 quality 0x1 cno  0 elev -91 azim   0 prRes      0
   unhealthy 
  chn  16 svid 196 flags 0x10 quality 0x1 cno  0 elev -91 azim   0 prRes      0
   unhealthy 

UBX-NAV-DOP:
 iTOW:381197000 ms, gDOP:3.60 pDOP:3.11 tDOP:1.82 vDOP:2.73
 hDOP:1.50 nDOP:1.18 eDOP:0.92

UBX-NAV-TIMEGPS:
 iTOW:381197000 ms, fTOW:-415324 ns, week:2054 leapS:18 valid:0x7 tAcc:43 ns
   valid: towValid weekValid leapValid 

UBX-NAV-SBAS:
 iTOW:381197000 ms, geo:0 mode:0x0, sys:0x0 service:0x0 cnt:0

UBX-MON-VER:
 swVersion: 1.00 (59842)
 hwVersion: 00070000
 extension: PROTVER 14.00
 extension: GPS;SBAS;GLO;QZSS

UBX-NAV-SOL:
 iTOW:381198000 ms, fTOW -415140 ns, week:2054 gpsFix:3 flags:0xdd
 ECEF X:4344397.210 Y:-128861.010 Z:4652422.470 pAcc:27.650
 VECEF X:0.400 Y:0.120 Z:0.550 vAcc:0.520
 pDOP:3.11 numSV:5
   gpsFix: 3D
   flags: GPSfixOK WKNSET TOWSET

UBX-NAV-DOP:
 iTOW:381198000 ms, gDOP:3.60 pDOP:3.11 tDOP:1.82 vDOP:2.73
 hDOP:1.50 nDOP:1.18 eDOP:0.92

UBX-NAV-TIMEGPS:
 iTOW:381198000 ms, fTOW:-415140 ns, week:2054 leapS:18 valid:0x7 tAcc:43 ns
   valid: towValid weekValid leapValid 
8><----------------------

Note there are NAKs.

> Making the u-blox driver wait for ACK just moved up a posion on my TODO
> list.  I'm still working on the ZED-F9.  A lot changed from 8 to 9.
> Basic functionality is now working, in git head, but a lot of corner
> cases left to check.

Thanks for you hard work! Note that there is no hurry for me.

Best regards,
Benoît

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Re: [gpsd-users] Communication loss with GR-701W, (continued)
- Re: [gpsd-users] Communication loss with GR-701W, Paul Bongaerts, 2019/05/18
  - Re: [gpsd-users] Communication loss with GR-701W, Benoît Thébaudeau, 2019/05/18
    - Re: [gpsd-users] Communication loss with GR-701W, Paul Bongaerts, 2019/05/18

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