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GPSDO Monitor Rev 2.2.json
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GPSDO Monitor Rev 2.2.json
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[
{
"id": "c9354f75fb3adeea",
"type": "tab",
"label": "GPSDO Monitor Rev 2.2",
"disabled": false,
"info": "",
"env": []
},
{
"id": "89b952f3b801aa0c",
"type": "switch",
"z": "c9354f75fb3adeea",
"name": "Separate NMEA Sentences",
"property": "payload",
"propertyType": "msg",
"rules": [
{
"t": "cont",
"v": "GSA",
"vt": "str"
},
{
"t": "cont",
"v": "GGA",
"vt": "str"
},
{
"t": "cont",
"v": "GSV",
"vt": "str"
},
{
"t": "cont",
"v": "GLL",
"vt": "str"
},
{
"t": "cont",
"v": "RMC",
"vt": "str"
},
{
"t": "cont",
"v": "VTG",
"vt": "str"
}
],
"checkall": "true",
"repair": false,
"outputs": 6,
"x": 460,
"y": 240,
"wires": [
[
"33c95b8c881b7434",
"e66266516163c02e"
],
[
"f6d82f9deb347003"
],
[
"ad5511a7366f1579"
],
[],
[],
[]
]
},
{
"id": "f6d82f9deb347003",
"type": "function",
"z": "c9354f75fb3adeea",
"name": "Parse GGA sentence for UTC Time",
"func": "var str = msg.payload;\n\n//remove checksum at end that starts with asterisk\n\nvar chunks = str.split(\"*\");\n\n//take first part and then split into NMEA string parameters\n\nvar parts = chunks[0].split(\",\");\n\n//split time hhmmss and fractional seconds\n\nvar time = parts[1].split(\".\");\n\nvar utcTime = time[0];\n\nmsg.payload = \"UTC: \" + utcTime;\n\nreturn msg;\n\n/*For reference as follows\n\nmsg.payload = {\n identifier: parts[0],\n time: parts[1],\n latitude: parts[2],\n latHemi: parts[3],\n longitude: parts[4],\n lonHemi: parts[5],\n gpsQual: parts[6],\n numSats: parts[7],\n hdop: parts[8],\n altitude: parts[9],\n altUnit: parts[10],\n geoidalSep: parts[11],\n geoidalSepUnit: parts[12],\n diffDataAge: parts[13],\n diffStation: parts[14],\n }\n */",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 820,
"y": 220,
"wires": [
[
"6d9494fb88d03957"
]
]
},
{
"id": "3c12b911fcb953c8",
"type": "ui_chart",
"z": "c9354f75fb3adeea",
"name": "GPS SVID SNR Bar Chart",
"group": "d1f18380c9713791",
"order": 5,
"width": 7,
"height": 4,
"label": "",
"chartType": "bar",
"legend": "false",
"xformat": "HH:mm:ss",
"interpolate": "linear",
"nodata": "NO DATA",
"dot": false,
"ymin": "0",
"ymax": "60",
"removeOlder": 1,
"removeOlderPoints": "",
"removeOlderUnit": "3600",
"cutout": 0,
"useOneColor": true,
"useUTC": false,
"colors": [
"#1f77b4",
"#aec7e8",
"#ff7f0e",
"#2ca02c",
"#98df8a",
"#d62728",
"#ff9896",
"#9467bd",
"#c5b0d5"
],
"outputs": 1,
"useDifferentColor": false,
"className": "",
"x": 1310,
"y": 280,
"wires": [
[]
]
},
{
"id": "33c95b8c881b7434",
"type": "function",
"z": "c9354f75fb3adeea",
"name": "Parse GSA sentence for GPS Status",
"func": "var str = msg.payload;\n\n//remove checksum at end that starts with asterisk\n\nvar chunks = str.split(\"*\");\n\n//take first part and then split into NMEA string parameters\n\nvar parts = chunks[0].split(\",\");\n\n//parse part[2], which is GPS Fix Mode, and set button state\n//accordingly to show status\n\nif (parts[2]==1) msg.label = \"<font color=black>GPSDO: NO FIX\",\n msg.background = \"red\";\nelse if (parts[2]==2) msg.label =\"<font color=black>GPSDO: 2D FIX\",\n msg.background = \"yellow\";\nelse if (parts[2]==3) msg.label =\"<font color=white>GPSDO: 3D FIX\",\n msg.background = \"green\";\n\nreturn msg;\n\n/* for reference as follows\n\nmsg.payload = {\n identifier: parts[0],\n autoMan: parts[1],\n fixMode: parts[2],\n svid1: parts[3],\n svid2: parts[4],\n svid3: parts[5],\n svid4: parts[6],\n svid5: parts[7],\n svid6: parts[8],\n svid7: parts[9],\n svid8: parts[10],\n svid9: parts[11],\n svid10: parts[12],\n svid11: parts[13],\n svid12: parts[14],\n pdop: parts[15],\n hdop: parts[16],\n vdop: parts[17]\n }\n */",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 830,
"y": 160,
"wires": [
[
"1994c4bb349f28f3"
]
]
},
{
"id": "1994c4bb349f28f3",
"type": "ui_button",
"z": "c9354f75fb3adeea",
"name": "GPS Status",
"group": "d1f18380c9713791",
"order": 1,
"width": 7,
"height": 1,
"passthru": false,
"label": "{{msg.label}}",
"tooltip": "",
"color": "",
"bgcolor": "{{msg.background}}",
"className": "",
"icon": "",
"payload": "",
"payloadType": "str",
"topic": "",
"topicType": "str",
"x": 1270,
"y": 160,
"wires": [
[]
]
},
{
"id": "ad5511a7366f1579",
"type": "function",
"z": "c9354f75fb3adeea",
"name": "Parse GSV sentence for SV SNR data, store in flow variable",
"func": "//this parsing routine develops a list of satellites and their \n//associated SNR values for display on a chart, the chart being\n//developed in the GSA message parsing function\n\nvar str = msg.payload;\n\n//remove checksum at end that starts with asterisk\n\nvar chunks = str.split(\"*\");\n\n//take first part and then split into NMEA string parameters\n\nvar parts = chunks[0].split(\",\");\n\n//retrieve the existing state of the flow variables\n\nlet svLabel = flow.get(\"svLabel\") || [];\nlet svSNRdata = flow.get(\"svSNRdata\") || [];\n\n//get all four possible parts of each GSV sentence and assign the\n//sv number and associated SNR to a label array (which is a little\n//redundant) and an SNR array, both indexed by SV number.\n//null or undefined values will go into array index [0], and that\n//index will be ignored by subsequent processing.\n\nfor (let i=0; i<=3; i++) {\n var sv = parseInt(parts[4+4*i] || 0);\n var snr = parseInt(parts[7+4*i] || 0);\n svLabel[sv] = sv;\n svSNRdata[sv] = snr;\n}\n\n//update the state of the flow variables\n\nflow.set(\"svLabel\", svLabel);\nflow.set(\"svSNRdata\", svSNRdata);\n\nreturn;\n\n\n/* for reference as follows\n\nmsg.payload = {\n identifier: parts[0],\n numMSGs: parts[1],\n msgNum: parts[2],\n totalSVs: parts[3],\n firstSVprn: parts[4],\n firstSVelev: parts[5],\n firstSVazim: parts[6],\n firstSVsnr: parts[7],\n secondSVprn: parts[8],\n secondSVelev: parts[9],\n secondSVazim: parts[10],\n secondSVsnr: parts[11],\n thirdSVprn: parts[12],\n thirdSVelev: parts[13],\n thirdSVazim: parts[14],\n thirdSVsnr: parts[15],\n fourthSVprn: parts[16],\n fourthSVelev: parts[17],\n fourthSVazim: parts[18],\n fourthSVsnr: parts[19],\n }\n */",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 900,
"y": 340,
"wires": [
[]
]
},
{
"id": "6d9494fb88d03957",
"type": "ui_text",
"z": "c9354f75fb3adeea",
"group": "d1f18380c9713791",
"order": 3,
"width": 5,
"height": 1,
"name": "Display UTC Time",
"label": "",
"format": "<font size=1,font color=lightblue>{{msg.payload}}",
"layout": "col-center",
"className": "",
"x": 1290,
"y": 220,
"wires": []
},
{
"id": "c88de8462b58b0f8",
"type": "serial in",
"z": "c9354f75fb3adeea",
"name": "GPSDO NMEA Output",
"serial": "260fa66d78fbe2c2",
"x": 190,
"y": 240,
"wires": [
[
"89b952f3b801aa0c"
]
]
},
{
"id": "e66266516163c02e",
"type": "function",
"z": "c9354f75fb3adeea",
"name": "Parse GSA sentence for SV List, add SNR from GSV & form chart",
"func": "var str = msg.payload;\n\n//remove checksum at end that starts with asterisk\n\nvar chunks = str.split(\"*\");\n\n//take first part and then split into NMEA string parameters\n\nvar parts = chunks[0].split(\",\");\n\nlet svSNRdata = flow.get(\"svSNRdata\");\n\n//build the arrays for the GPS status bar chart\n//get all 12 parts of each GSA sentence that list the SVIDs in use\n//and place them into an array\n//get the matching SNR data for each SVID and place that into \n//a matching array\n//null or undefined values become 0\n\nvar svList = []\nvar snrList = []\nfor (let i=0; i<=11; i++) {\n var sv = parts[3+i] || \"0\";\n svList[i] = sv;\n var snrIndex = parseInt(sv);\n snrList[i] = svSNRdata[snrIndex];\n}\n\n//build the GPS status bar chart message\n\nmsg.payload=[{\n \"series\": [\"SNR\"],\n \"data\": [snrList],\n \"labels\": svList \n}];\n\nreturn msg;\n\n\n/* for reference as follows\n\nmsg.payload = {\n identifier: parts[0],\n autoMan: parts[1],\n fixMode: parts[2],\n svid1: parts[3],\n svid2: parts[4],\n svid3: parts[5],\n svid4: parts[6],\n svid5: parts[7],\n svid6: parts[8],\n svid7: parts[9],\n svid8: parts[10],\n svid9: parts[11],\n svid10: parts[12],\n svid11: parts[13],\n svid12: parts[14],\n pdop: parts[15],\n hdop: parts[16],\n vdop: parts[17]\n }\n */",
"outputs": 1,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 920,
"y": 280,
"wires": [
[
"3c12b911fcb953c8"
]
]
},
{
"id": "d1f18380c9713791",
"type": "ui_group",
"name": "GPSDO STATUS",
"tab": "7cfa0acacdc9425e",
"order": 5,
"disp": false,
"width": "7",
"collapse": false,
"className": ""
},
{
"id": "260fa66d78fbe2c2",
"type": "serial-port",
"serialport": "COM31",
"serialbaud": "9600",
"databits": "8",
"parity": "none",
"stopbits": "1",
"waitfor": "",
"dtr": "none",
"rts": "none",
"cts": "none",
"dsr": "none",
"newline": "\\n",
"bin": "false",
"out": "char",
"addchar": "",
"responsetimeout": "10000"
},
{
"id": "7cfa0acacdc9425e",
"type": "ui_tab",
"name": "STATION CONTROLLER MAIN",
"icon": "dashboard",
"order": 1,
"disabled": false,
"hidden": false
}
]