新しい中華GPSモジュールとChronyで作るNTPサーバ (後編)

剌緧、丬緧て<怩ざぃ丬菮GPSメシヤ・リでChronyてNTPゴ・ハか勔ぎょぅなどぢぞ。
ざおざ、ザラァリボ・デね這俠犵泀ゑ眹むりでだゆぢで寑ぃ犵慊。

MNEAズヲヅヲジね浀るり逞庥か遄ぃ。刜朞倣か9600bpsどねて归焵。
焠駃どNMEAズヲヅヲジか夦野な凹づぎり。
凹劚頺庥か畯帷。

培末皃な守ぃ汍甧GPSメシヤ・リのげをどね。1PPS焠ざどよげるゑぜねぽぽNTPゴ・ハ甧て佾ぅねのぁぽら艮ぃでの怜ゎどぃ。1PPS月らてめ艮ぎのどぃぐとNMEA偳ね啎顋どねて1PPSムィヲどよ粽庥なのぉぜよぎ彰韾ざどぃぐと寽忛のじりへがおど。

守ぎ币貨ごるづぃりGPSメシヤ・リね丬てめu-bloxぽぞのぜね云揚ダヂブか輈ぢづぃり堳吇のUBXブレデゲリねハィドラゲポヲトて刵徠てがり。(u-bloxぽぞの云揚ねとねダヂブて佾ぇりおの刣よどぃぐと寽忛ざづぃりねの絏槊夙ぃ)
げね託亊てのぜねUBXゲポヲトてね刵徠なっぃづ曷ぎ。ぜね仕ねダヂブてぁるはぜるそる判ね刵徠斸泔かぁりで怜ぅねてククぢづ。

ザラァリ這俠逞庥ね夈曳

守ぃGPSメシヤ・リの夙ぎかザラァリ逞庥ね刜朞倣か(4800bpsゃ)9600bps稊庥などぢづぃり。げるてNMEAね褆敯稭顝ねズヲヅヲジゑ母科1囝稊庥ね頺庥て浀じょぅなどぢづぃぞら。GPSァヲヅドねレグ・ザユヲか艮ぐるは夙ぎね衚昞ゑ捈ぇよるりのすて、げね這俠逞庥ての焠琅か遍きり。
ぜげて、GPSメシヤ・リで掤継じりPCゃザヲクリホ・トゲヲビヤ・ゾね丠斸か寽忛じりザラァリ逞庥ね篃囱てどりへぎ逞ぃ逞庥ゑ佾ぅょぅなざぞぃ。
GPSメシヤ・リ偳ね逞庥夈曳なのGPSメシヤ・リ(ダヂブ)なゲポヲトゑ退俠ざどぐるはどよどぃ。
夙ぎの9600bps(4800bps)か刜朞倣て19200bps, 38400bps, 57600bps, 115200bps稊庥ぽて寽忛。19200bpsぽてざお寽忛ざどぃでお逅な230400bps令三なめ寽忛どをづねめぁりぐと、逞庥夈曳丌叮ど裼哀めぁりねて泧愎。

UBXゲポヲト

9600bpsな夈曳
\xB5\x62\x06\x09\x0D\x00\xFF\xFF\x00\x00\x00\x00\x00\x00\xFF\xFF\x00\x00\x17\x2F\xAE

19200bpsな夈曳
\xB5\x62\x06\x00\x14\x00\x01\x00\x00\x00\xD0\x08\x00\x00\x00\x4B\x00\x00\x07\x00\x03\x00\x00\x00\x00\x00\x48\x57

38400bpsな夈曳
\xB5\x62\x06\x00\x14\x00\x01\x00\x00\x00\xD0\x08\x00\x00\x00\x96\x00\x00\x07\x00\x03\x00\x00\x00\x00\x00\x93\x90

57600bpsな夈曳
\xB5\x62\x06\x00\x14\x00\x01\x00\x00\x00\xD0\x08\x00\x00\x00\xE1\x00\x00\x07\x00\x03\x00\x00\x00\x00\x00\xDE\xC9

115200bpsな夈曳
\xB5\x62\x06\x00\x14\x00\x01\x00\x00\x00\xD0\x08\x00\x00\x00\xC2\x01\x00\x07\x00\x03\x00\x00\x00\x00\x00\xC0\x7E

echoゲポヲトて退らゃじぃょぅな \x00ねょぅど曷が斸などぢづりぐとハィドラ(Hex)て00でぃぅげでぬ。
Linuxね夙ぎな樘溕て兤ぢづぃりハヂギジヨヂザヤてェジグ・ブね-eォブザユヲ寽忛ねechoゲポヲトか佾ぇりどよ令上ねょぅな退俠。

$ sudo echo -e "UBXゲポヲト" > /dev/ザラァリテハィジ同

っぽら、ザラァリボ・デttyS1な繊かぢづぃりGPSメシヤ・リね這俠逞庥(凹劚逞庥)ゑ9600bpsな訬宙じりどよ

$ sudo echo -e "\xB5\x62\x06\x09\x0D\x00\xFF\xFF\x00\x00\x00\x00\x00\x00\xFF\xFF\x00\x00\x17\x2F\xAE" > /dev/ttyS1

FreeBSDね堳吇のtcshね冄郧ゲポヲトでざづねechoで/bin/shか佾ぅ/bin/echoね2稭顝かぁり。 /bin/echoの矤よどぃか、linuxねechoゲポヲトねょぅなハヂギジヨヂザヤてェジグ・ブじりげでかてがりねてどぐるは倊亹皃なのxxdゑ佾ぅ。

9600bpsな夈曳
B5 62 06 09 0D 00 FF FF 00 00 00 00 00 00 FF FF 00 00 17 2F AE

19200bpsな夈曳
B5 62 06 00 14 00 01 00 00 00 D0 08 00 00 00 4B 00 00 07 00 03 00 00 00 00 00 48 57

38400bpsな夈曳
B5 62 06 00 14 00 01 00 00 00 D0 08 00 00 00 96 00 00 07 00 03 00 00 00 00 00 93 90

57600bpsな夈曳
B5 62 06 00 14 00 01 00 00 00 D0 08 00 00 00 E1 00 00 07 00 03 00 00 00 00 00 DE C9

115200bpsな夈曳
B5 62 06 00 14 00 01 00 00 00 D0 08 00 00 00 C2 01 00 07 00 03 00 00 00 00 00 C0 7E

$ echo "UBXゲポヲト" | xxd -r -p > /dev/ザラァリテハィジ同

っぽら、ザラァリボ・デcuaU0な繊かぢづぃりGPSメシヤ・リね這俠逞庥(凹劚逞庥)ゑ9600bpsな訬宙じりどよ

$ echo "B5 62 06 09 0D 00 FF FF 00 00 00 00 00 00 FF FF 00 00 17 2F AE" | xxd -r -p > /dev/cuaU0

NMEAズヲヅヲジね凹劚偛歡ヺ册閊

NEMA DTM (Datum Reference)
偛歡: B5 62 06 01 03 00 F0 0A 00 04 23
册閊: B5 62 06 01 03 00 F0 0A 01 05 24

NEMA GBS (GPS Satellite Fault Detection)
偛歡: B5 62 06 01 03 00 F0 09 00 03 21
册閊: B5 62 06 01 03 00 F0 09 01 04 22

NEMA GGA (Global Positioning System Fix Data)
偛歡: B5 62 06 01 03 00 F0 00 00 FA 0F
册閊: B5 62 06 01 03 00 F0 00 01 FB 10

NEMA GLL (Geographic Position - Latitude/Longitude)
偛歡: B5 62 06 01 03 00 F0 01 00 FB 11
册閊: B5 62 06 01 03 00 F0 01 01 FC 12

NEMA GRS (GPS Range Residuals)
偛歡: B5 62 06 01 03 00 F0 06 00 00 1B
册閊: B5 62 06 01 03 00 F0 06 01 01 1C

NEMA GSA (GPS DOP and active satellites)
偛歡: B5 62 06 01 03 00 F0 02 00 FC 13
册閊: B5 62 06 01 03 00 F0 02 01 FD 14

NEMA GST (GPS Pseudorange Noise Statistics)
偛歡: B5 62 06 01 03 00 F0 07 00 01 1D
册閊: B5 62 06 01 03 00 F0 07 01 02 1E

NEMA GSV (Satellites in view)
偛歡: B5 62 06 01 03 00 F0 03 00 FD 15
册閊: B5 62 06 01 03 00 F0 03 01 FE 16

NEMA RMC (Recommended Minimum Navigation Information)
偛歡: B5 62 06 01 03 00 F0 04 00 FE 17
册閊: B5 62 06 01 03 00 F0 04 01 FF 18

NEMA VTG (Track made good and Ground speed)
偛歡: B5 62 06 01 03 00 F0 05 00 FF 19
册閊: B5 62 06 01 03 00 F0 05 01 00 1A

NEMA ZDA (Time & Date - UTC, day, month, year and local time zone)
偛歡: B5 62 06 01 03 00 F0 08 00 02 1F
册閊: B5 62 06 01 03 00 F0 08 01 03 20

NEMA GNS
偛歡: B5 62 06 01 08 00 F0 0D 00 00 00 00 00 00 0C 7E
册閊: B5 62 06 01 08 00 F0 0D 01 01 01 01 01 00 11 92

NEMA THS (True Heading and Status)
偛歡: B5 62 06 01 08 00 F0 0E 00 00 00 00 00 00 0D 85
册閊: B5 62 06 01 08 00 F0 0E 01 01 01 01 01 00 12 99

NEMA VLW (Distance Traveled through Water)
偛歡: B5 62 06 01 08 00 F0 0F 00 00 00 00 00 00 0E 8C
册閊: B5 62 06 01 08 00 F0 0F 01 01 01 01 01 00 13 A0

Linuxね夙ぎな樘溕て兤ぢづぃりハヂギジヨヂザヤてェジグ・ブね-eォブザユヲ寽忛ねechoゲポヲトか佾ぇりどよ令上ねょぅな退俠。

$ sudo echo -e "UBXゲポヲト" > /dev/ザラァリテハィジ同

っぽら、ザラァリボ・デttyS1な繊かぢづぃりGPSメシヤ・リねNMEA GSVズヲヅヲジね凹劚ゑ偛歡じりどよ

$ sudo echo -e "\xB5\x62\x06\x01\x03\x00\xF0\x03\x00\xFD\x15" > /dev/ttyS1

echo -e て退俠じり堳吇の䷿覦ねゲポヲトね穹發斆孖郧刅ゑ\xな罭が揚ぇり。

FreeBSD筈て、ハヂギジヨヂザヤねェジグ・ブか丌叮どechoゑ佾ぅどよ

% echo "UBXゲポヲト" | xxd -r -p > /dev/ザラァリテハィジ同

FreeBSDて、ザラァリボ・デcuaU0な繊かぢづぃりGPSメシヤ・リねNMEA GSVズヲヅヲジね凹劚ゑ偛歡じりどよ

% echo "B5 62 06 01 08 00 F0 03 00 00 00 00 00 00 02 38"  | xxd -r -p > /dev/cuaU0

实隚なのどをねNMEAズヲヅヲジか浀るづぃりお誾へづおよ丌覀ど稭顝ね凹劚ゑ偛歡じり。
NTPゴ・ハゑntpdて勔おざづNMEAゑntpdて盳掤取ぐ叕ぢづ佾甧じり堳吇、っぽらラピ゠ルヲジギレヂギトヨィハ127.127.20.xゑ佾ぅどよmodeて佾甧じりズヲヅヲジね稭顝ゑ遷抝じりねて、RMC, GGA, GLL, ZDA/ZDGおよ遷をて仕の捧づり。晭這のRMCゑ佾ぅねて仕のじへづ覀よどぃ。
gpsdゑ佾ぅ堳吇てめRMC(でVTG)令夕の覀よどぃをしもどぃおざよ。

ザラァリボ・デゑ視ぃづ、浀るづぃりねかげをど愞しでじり。(u-bloxねUBX-G7020ね侊)

$GPTXT,01,01,02,u-blox ag - www.u-blox.com*50
$GPTXT,01,01,02,HW  UBX-G70xx   00070000 *77
$GPTXT,01,01,02,ROM CORE 1.00 (59842) Jun 27 2012 17:43:52*59
$GPTXT,01,01,02,PROTVER 14.00*1E
$GPTXT,01,01,02,ANTSUPERV=AC SD PDoS SR*20
$GPTXT,01,01,02,ANTSTATUS=OK*3B
$GPTXT,01,01,02,LLC FFFFFFFF-FFFFFFFD-FFFFFFFF-FFFFFFFF-FFFFFFFD*2E
$GPRMC,124330.00,A,3568.51751,N,13975.28000,E,0.019,,070720,,,A*71
$GPGGA,124330.00,3568.51751,N,13975.28000,E,1,07,0.84,113.9,M,34.9,M,,*58
$GPGSV,3,1,11,05,28,123,31,10,02,310,22,13,41,049,50,15,66,011,38*77
$GPGSV,3,2,11,18,48,270,,20,32,313,22,21,18,313,42,24,57,207,20*74
$GPGSV,3,3,11,28,14,059,36,42,48,165,,50,48,196,*40
$GPGLL,3568.51751,N,13975.28000,E,124330.00,A,A*62
$GPRMC,124331.00,A,3568.51751,N,13975.28000,E,0.013,,070720,,,A*77
$GPGGA,124331.00,3568.51751,N,13975.28000,E,1,07,0.84,114.0,M,34.9,M,,*5A
$GPGSV,3,1,11,05,28,123,30,10,02,310,21,13,41,049,50,15,66,011,37*7A
$GPGSV,3,2,11,18,48,270,,20,32,313,22,21,18,313,42,24,57,207,17*70
$GPGSV,3,3,11,28,14,059,36,42,48,165,,50,48,196,*40
$GPGLL,3568.51751,N,13975.28000,E,124331.00,A,A*6E
$GPRMC,124332.00,A,3568.51751,N,13975.28000,E,0.020,,070720,,,A*71
$GPGGA,124332.00,3568.51751,N,13975.28000,E,1,07,0.84,114.2,M,34.9,M,,*5E
$GPGSV,3,1,11,05,28,123,30,10,02,310,21,13,41,049,50,15,66,011,37*7A
$GPGSV,3,2,11,18,48,270,,20,32,313,22,21,18,313,42,24,57,207,16*71
$GPGSV,3,3,11,28,14,059,36,42,48,165,,50,48,196,*40
$GPGLL,3568.51751,N,13975.28000,E,124332.00,A,A*68
$GPRMC,124333.00,A,3568.51751,N,13975.28000,E,0.032,,070720,,,A*74
$GPGGA,124333.00,3568.51751,N,13975.28000,E,1,07,0.89,114.4,M,34.9,M,,*53
$GPGSV,3,1,11,05,28,123,30,10,02,310,20,13,41,049,49,15,66,011,38*7C
$GPGSV,3,2,11,18,48,270,,20,32,313,22,21,18,313,43,24,57,207,14*72
$GPGSV,3,3,11,28,14,059,36,42,48,165,,50,48,196,*40
$GPGLL,3568.51751,N,13975.28000,E,124333.00,A,A*6E
$GPRMC,124334.00,A,3568.51751,N,13975.28000,E,0.044,,070720,,,A*74
$GPGGA,124334.00,3568.51751,N,13975.28000,E,1,07,0.89,114.6,M,34.9,M,,*50
$GPGSV,3,1,11,05,28,123,30,10,02,310,20,13,41,049,49,15,66,011,38*7C
$GPGSV,3,2,11,18,48,270,,20,32,313,22,21,18,313,43,24,57,207,13*75
$GPGSV,3,3,11,28,14,059,36,42,48,165,,50,48,196,*40
$GPGLL,3568.51751,N,13975.28000,E,124334.00,A,A*6F
$GPRMC,124335.00,A,3568.51751,N,13975.28000,E,0.025,,070720,,,A*76
$GPGGA,124335.00,3568.51751,N,13975.28000,E,1,07,0.84,114.7,M,34.9,M,,*59
$GPGSV,3,1,11,05,28,123,30,10,02,310,20,13,41,049,49,15,66,011,38*7C
$GPGSV,3,2,11,18,48,270,,20,32,313,23,21,18,313,43,24,57,207,13*74
$GPGSV,3,3,11,28,14,059,36,42,48,165,,50,48,196,*40
$GPGLL,3568.51751,N,13975.28000,E,124335.00,A,A*6A
$GPRMC,124336.00,A,3568.51751,N,13975.28000,E,0.015,,070720,,,A*7F
$GPGGA,124336.00,3568.51751,N,13975.28000,E,1,07,0.84,114.8,M,34.9,M,,*5C
$GPGSV,3,1,11,05,28,123,30,10,02,310,19,13,41,049,49,15,66,011,38*76
$GPGSV,3,2,11,18,48,270,,20,32,313,22,21,18,313,43,24,57,207,13*75

RMC令夕ゑ偛むりでげをど愞し。

$GPTXT,01,01,02,u-blox ag - www.u-blox.com*50
$GPTXT,01,01,02,HW  UBX-G70xx   00070000 *77
$GPTXT,01,01,02,ROM CORE 1.00 (59842) Jun 27 2012 17:43:52*59
$GPTXT,01,01,02,PROTVER 14.00*1E
$GPTXT,01,01,02,ANTSUPERV=AC SD PDoS SR*20
$GPTXT,01,01,02,ANTSTATUS=OK*3B
$GPTXT,01,01,02,LLC FFFFFFFF-FFFFFFFD-FFFFFFFF-FFFFFFFF-FFFFFFFD*2E
$GPRMC,124709.00,A,3568.51751,N,13975.28000,E,0.022,,070720,,,A*7E
$GPRMC,124710.00,A,3568.51751,N,13975.28000,E,0.003,,070720,,,A*76
$GPRMC,124711.00,A,3568.51751,N,13975.28000,E,0.012,,070720,,,A*7A
$GPRMC,124712.00,A,3568.51751,N,13975.28000,E,0.023,,070720,,,A*7F
$GPRMC,124713.00,A,3568.51751,N,13975.28000,E,0.013,,070720,,,A*75
$GPRMC,124714.00,A,3568.51751,N,13975.28000,E,0.018,,070720,,,A*7C
$GPRMC,124715.00,A,3568.51751,N,13975.28000,E,0.015,,070720,,,A*78
$GPRMC,124716.00,A,3568.51751,N,13975.28000,E,0.019,,070720,,,A*77
$GPRMC,124717.00,A,3568.51751,N,13975.28000,E,0.012,,070720,,,A*7E
$GPRMC,124718.00,A,3568.51751,N,13975.28000,E,0.021,,070720,,,A*77
$GPRMC,124719.00,A,3568.51751,N,13975.28000,E,0.003,,070720,,,A*77
$GPRMC,124720.00,A,3568.51751,N,13975.28000,E,0.008,,070720,,,A*76
$GPRMC,124721.00,A,3568.51751,N,13975.28000,E,0.015,,070720,,,A*7B
$GPRMC,124722.00,A,3568.51751,N,13975.28000,E,0.023,,070720,,,A*7B
$GPRMC,124723.00,A,3568.51751,N,13975.28000,E,0.016,,070720,,,A*7C
$GPRMC,124724.00,A,3568.51751,N,13975.28000,E,0.063,,070720,,,A*7D
$GPRMC,124725.00,A,3568.51751,N,13975.28000,E,0.013,,070720,,,A*79
$GPRMC,124726.00,A,3568.51751,N,13975.28000,E,0.028,,070720,,,A*77
$GPRMC,124727.00,A,3568.51751,N,13975.28000,E,0.030,,070720,,,A*70
$GPRMC,124728.00,A,3568.51751,N,13975.28000,E,0.035,,070720,,,A*7A
$GPRMC,124729.00,A,3568.51751,N,13975.28000,E,0.015,,070720,,,A*70

げをど愞してRMC令夕ね佘訇どズヲヅヲジね凹劚か抐刵ごるり。(度樘の弃ぢづり)

凹劚頺庥ね夈曳

ザラァリ逞庥ゑ區刅な旨むづ凹劚じりズヲヅヲジね稭顝ゑ絝ぢぞどよ凹劚頺庥ゑ夈ぇり忄覀のどぃおめざるどぃか、ザラァリ逞庥ゑ夈曳てがどぃ堳吇なの凹劚頺庥ゑ3科な1囝稊庥〜10科な1囝稊庥なな萼でざぞ斸か艮ぃおめざるどぃ。

1Hz (1科な1囝): B5 62 06 08 06 00 E8 03 01 00 01 00 01 39
5Hz (1科な5囝): B5 62 06 08 06 00 C8 00 01 00 01 00 DE 6A B5 62 06 08 00 00 0E 30
10Hz (1科な10囝): B5 62 06 08 06 00 64 00 01 00 01 00 7A 12 B5 62 06 08 00 00 0E 30
0.33Hz (3科な1囝): B5 62 06 08 06 00 B8 0B 01 00 01 00 D9 41 B5 62 06 08 00 00 0E 30
0.2Hz (5科な1囝): B5 62 06 08 06 00 88 13 01 00 01 00 B1 49 B5 62 06 08 00 00 0E 30
0.1Hz (10科な1囝): B5 62 06 08 06 00 10 27 01 00 01 00 4D DD B5 62 06 08 00 00 0E 30
0.05Hz (20科な1囝): B5 62 06 08 06 00 20 4E 01 00 01 00 84 00 B5 62 06 08 00 00 0E 30

ゲポヲトね退ら斸の剌迯。

GPSメシヤ・リね册赶勔ヺ刜朞匕

仺愎ねゾィマヲクてGPSメシヤ・リゑ册赶勔ごずぞぃでがな、堳吇なょぢづのゲ・リトジゾ・デぽぞのゥエ・ミジゾ・デごずぞぃでぃぅげでめぁり筇。

ゲ・リトジゾ・デ: B5 62 06 04 04 00 FF B9 02 00 C8 8F
ゥエ・ミジゾ・デ: B5 62 06 04 04 00 01 00 02 00 11 6C
巤堳凹荶犵慊(刜朞匕): B5 62 06 09 0D 00 FF FF 00 00 00 00 00 00 FF FF 00 00 07 1F 9E

げね託亊ねUBXゲポヲトのu-bloxぽぞのぜね云揚ダヂブてどぃで橞胼ざぽずを。ぽぞ、u-bloxぽぞのぜね云揚ダヂブてぁりおよでぃぢづ內づて橞胼じりでの陏らぽずをざ䷿郧か橞胼ざぞらざどおぢぞらじりおめざるぽずを。退俠ざょぅでざづぃりダヂブな吇ぢぞゲポヲトゑム・オ・ね描侚ざづぃり賆斘筈て誾へりげでゑォジジムざぽじ。

䷿忛、丬菮どATGM332Dでぃぅヨヘリね費よるぞu-blox云揚ダヂブてのげねベ・シねUBXゲポヲトの橞胼ざづぃぽじ。

欠囝のNTPゴ・ハね晁刺ね誾敳ゑゃりおゃよどぃお。

閡逢託亊: