2017-07-04, 04:24 PM
Try importing this to Node-RED. It should work for a couple of more years at least! You'll have to add a Node-RED UDP incoming port to the NMEA0183 tab, eliminate the existing incoming USB from there, and make sure that the Node-RED incoming serial connection is the right name and speed.
Code:
[
{
"id": "7d9ed390.b02dbc",
"type": "switch",
"z": "7cd8543c.064e8c",
"name": "Filter just VTG, GGA, GLL and RMC",
"property": "payload",
"propertyType": "msg",
"rules": [
{
"t": "regex",
"v": "^(?=.*GPVTG)",
"vt": "str",
"case": false
},
{
"t": "regex",
"v": "^(?=.*GPGGA)",
"vt": "str",
"case": false
},
{
"t": "regex",
"v": "^(?=.*GPGLL)",
"vt": "str",
"case": false
},
{
"t": "regex",
"v": "^(?=.*GPRMC)",
"vt": "str",
"case": false
}
],
"checkall": "true",
"outputs": 4,
"x": 570,
"y": 440,
"wires": [
[
"bd93a857.327338"
],
[
"899b1d74.c9bf4"
],
[
"f7463f8c.db9b2"
],
[
"cc00bb9.9d86048"
]
],
"inputLabels": [
"Input"
],
"outputLabels": [
"VGT",
"GGA",
"GLL",
"RMC"
]
},
{
"id": "a9aaedb5.75839",
"type": "function",
"z": "7cd8543c.064e8c",
"name": "calc checksum",
"func": "var nmea = msg.payload;\nvar checksum = 0; \n\nfor(var i = 0; i < nmea.length; i++) { \n checksum = checksum ^ nmea.charCodeAt(i); \n}\nchecksum = checksum.toString(16); //convert to hex\nnmea = '$' + nmea + '*' + checksum; //make the full nmea sentence again\n\nmessage = 'Full message =' + nmea + '\\r\\n' + 'Checksum = ' + checksum ;\n\nmsg.payload = nmea;\nmsg.payload = msg.payload+\"\\r\\n\";\n\nvar msg1 = {\n payload: msg.payload\n };\n return msg1;",
"outputs": 1,
"noerr": 0,
"x": 1160,
"y": 440,
"wires": [
[
"3555a419.0e451c",
"faa406d0.551a88"
]
]
},
{
"id": "3555a419.0e451c",
"type": "udp out",
"z": "7cd8543c.064e8c",
"name": "",
"addr": "127.0.0.1",
"iface": "",
"port": "10108",
"ipv": "udp4",
"outport": "",
"base64": false,
"multicast": "false",
"x": 1400,
"y": 340,
"wires": []
},
{
"id": "5d1cb56c.197b9c",
"type": "comment",
"z": "7cd8543c.064e8c",
"name": "This takes NMEA Output, changes date string and adds checksum",
"info": "",
"x": 800,
"y": 140,
"wires": []
},
{
"id": "9306b8b9.958998",
"type": "serial in",
"z": "7cd8543c.064e8c",
"name": "NMEA Input",
"serial": "c5d7ff46.19d73",
"x": 230,
"y": 580,
"wires": [
[
"7d9ed390.b02dbc"
]
]
},
{
"id": "7db6213c.a5dd5",
"type": "inject",
"z": "7cd8543c.064e8c",
"name": "Inject GLL String",
"topic": "",
"payload": "$GPGLL,5930.030,N,00254.792,E,163415,A",
"payloadType": "str",
"repeat": "",
"crontab": "",
"once": false,
"x": 240,
"y": 360,
"wires": [
[
"7d9ed390.b02dbc"
]
]
},
{
"id": "dbf41ca.eaa14e",
"type": "inject",
"z": "7cd8543c.064e8c",
"name": "Inject RMC String",
"topic": "",
"payload": "$GPRMC,163415,A,5930.030,N,00254.792,E,00.0,000.,171197,000.8,E*79",
"payloadType": "str",
"repeat": "",
"crontab": "",
"once": false,
"x": 238,
"y": 436.9999876022339,
"wires": [
[
"7d9ed390.b02dbc"
]
]
},
{
"id": "faa406d0.551a88",
"type": "debug",
"z": "7cd8543c.064e8c",
"name": "",
"active": true,
"console": "false",
"complete": "false",
"x": 1370,
"y": 540,
"wires": []
},
{
"id": "bd93a857.327338",
"type": "function",
"z": "7cd8543c.064e8c",
"name": "Create VTG string",
"func": "var nmeaFull=msg.payload;\n\nvar nmeaSplit=nmeaFull.split(\",\");\n \nvar nmeaFinal=\"NRVTG,\";\n\nvar i=\"1\";\n\ndo {\n nmeaFinal += nmeaSplit[i] + \",\";\n i++;\n}\nwhile (i < 8);\n\nnmeaFinal=nmeaFinal+nmeaSplit[8];\n\nmsg.payload = nmeaFinal;\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 890,
"y": 320,
"wires": [
[
"a9aaedb5.75839"
]
]
},
{
"id": "899b1d74.c9bf4",
"type": "function",
"z": "7cd8543c.064e8c",
"name": "Create GGA string",
"func": "var nmeaFull=msg.payload;\n\nvar nmeaSplit=nmeaFull.split(\",\");\n \nvar nmeaFinal=\"NRGGA,\";\n\nvar i=\"1\";\n\ndo {\n nmeaFinal += nmeaSplit[i] + \",\";\n i++;\n}\nwhile (i < 14);\n\nnmeaFinal=nmeaFinal+nmeaSplit[14];\n\nmsg.payload = nmeaFinal;\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 890,
"y": 400,
"wires": [
[
"a9aaedb5.75839"
]
]
},
{
"id": "f41432f6.85224",
"type": "inject",
"z": "7cd8543c.064e8c",
"name": "Inject GGA String",
"topic": "",
"payload": "$GPGGA,163415,5930.030,N,00254.792,E,1,04,001,0001,M,040,M,,",
"payloadType": "str",
"repeat": "",
"crontab": "",
"once": false,
"x": 239.99993133544922,
"y": 279.9999170303345,
"wires": [
[
"7d9ed390.b02dbc"
]
]
},
{
"id": "db9fcf68.9388c",
"type": "inject",
"z": "7cd8543c.064e8c",
"name": "Inject VGT String",
"topic": "",
"payload": "$GPVTG,000,T,359,M,00.0,N,00.0,K",
"payloadType": "str",
"repeat": "",
"crontab": "",
"once": false,
"x": 239.99993133544922,
"y": 199.99991703033447,
"wires": [
[
"7d9ed390.b02dbc"
]
]
},
{
"id": "f7463f8c.db9b2",
"type": "function",
"z": "7cd8543c.064e8c",
"name": "Create GLL string",
"func": "var nmeaFull=msg.payload;\n\nvar nmeaSplit=nmeaFull.split(\",\");\n \nvar nmeaFinal=\"NRGLL,\";\n\nvar i=\"1\";\n\ndo {\n nmeaFinal += nmeaSplit[i] + \",\";\n i++;\n}\nwhile (i < 6);\n\nnmeaFinal=nmeaFinal+nmeaSplit[6];\n\nmsg.payload = nmeaFinal;\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 890,
"y": 480,
"wires": [
[
"a9aaedb5.75839"
]
]
},
{
"id": "cc00bb9.9d86048",
"type": "function",
"z": "7cd8543c.064e8c",
"name": "Create RMC string",
"func": "var nmeaFull=msg.payload;\n\nvar nmeaStripped=nmeaFull.substring(1, nmeaFull.indexOf(\"*\"));\n\nvar nmeaSplit=nmeaStripped.split(\",\");\n\nvar nmeaYear=nmeaSplit[9].substring(4, 6);\nvar nmeaMonth=nmeaSplit[9].substring(2, 4);\nvar nmeaDay=nmeaSplit[9].substring(0, 2);\n\nvar nmeaYearInt=parseInt(nmeaYear)+1920;\nvar nmeaYearStr=nmeaYearInt.toString();\nnmeaYear=nmeaYearStr.substring(2,4);\n\nnmeaSplit[9]=nmeaDay+nmeaMonth+nmeaYear;\n\nvar nmeaFinal=\"NRRMC,\";\n\nvar i=\"1\";\n\ndo {\n nmeaFinal += nmeaSplit[i] + \",\";\n i++;\n}\nwhile (i < 11);\n\nnmeaFinal=nmeaFinal+nmeaSplit[11];\n\nmsg.payload = nmeaFinal;\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 890,
"y": 560,
"wires": [
[
"a9aaedb5.75839"
]
]
},
{
"id": "c5d7ff46.19d73",
"type": "serial-port",
"z": "",
"serialport": "/dev/ttyOP_485",
"serialbaud": "4800",
"databits": "8",
"parity": "none",
"stopbits": "1",
"newline": "\\n",
"bin": "false",
"out": "char",
"addchar": false
}
]