(2018-05-07, 01:06 PM)jim321 Wrote: you could pull data from web-socket send to serial.. example below, you can only have one WS so use the one already there or use link node, select your config for serial node "printer".i dont know anything about that printer but other ones use cups drivers ect for setup.this flow will continually send data you will need to setup a switch somehow to send once maybe a button on dashboard.
you could get all the data directly from the web socket "ws://localhost:3000/signalk/v1/stream" it might be more than you need or you could parse out what you want.as in example for lat.

Code:

[{"id":"9b02acf9.c5cea","type":"websocket in","z":"c0812b05.2e9308","name":"ws","server":"ae07cdf2.445f1","client":"","x":50,"y":100,"wires":[["fbd5273f.9a1e28"]]},{"id":"fbd5273f.9a1e28","type":"jsonpath","z":"c0812b05.2e9308","expression":"$.updates..values[*]","split":false,"name":"Signal K delta values","x":220,"y":100,"wires":[["18af8a77.9fec86"]]},{"id":"18af8a77.9fec86","type":"function","z":"c0812b05.2e9308","name":"merge values","func":"var paths={};\nvar arrayLength = msg.payload.length;\nfor (var i = 0; i < arrayLength; i++) {\n    paths[msg.payload[i].path]=msg.payload[i].value;\n}\nmsg.payload = paths;\nreturn msg;","outputs":1,"noerr":0,"x":420,"y":100,"wires":[["16f4fff3.e963e"]]},{"id":"16f4fff3.e963e","type":"function","z":"c0812b05.2e9308","name":"navigation.position.latitude","func":"var signalk_key=\"navigation.position\";\n\nif(msg.payload.hasOwnProperty(signalk_key)){\n    msg.payload=msg.payload[signalk_key][\"latitude\"];\n    return msg;\n}","outputs":1,"noerr":0,"x":640,"y":100,"wires":[["f0dbe5bf.c3e018"]]},{"id":"f0dbe5bf.c3e018","type":"serial out","z":"c0812b05.2e9308","x":830,"y":100,"wires":[]},{"id":"ae07cdf2.445f1","type":"websocket-listener","z":"","path":"ws://localhost:3000/signalk/v1/stream","wholemsg":"false"}]

(2018-05-08, 12:54 AM)jim321 Wrote: it should have been already installed
type in a terminal
cd .node-red
npm install node-red-node-serialport
or
npm i node-red-node-serialport

sudo reboot

https://flows.nodered.org/node/node-red-node-serialport

or on nodered page http://10.10.10.1:1880 top right options button manage palette install tab search serial .. install

(2018-05-08, 01:40 AM)callmecalanca Wrote:

(2018-05-08, 12:54 AM)jim321 Wrote: it should have been already installed
type in a terminal
cd .node-red
npm install node-red-node-serialport
or
npm i node-red-node-serialport

sudo reboot

https://flows.nodered.org/node/node-red-node-serialport

or on nodered page http://10.10.10.1:1880 top right options button manage palette install tab search serial .. install

This is the terminal output:

Code:

~/.node-red $ npm install node-red-node-serialport
npm WARN deprecated parser-byte-length@1.0.2: renamed to @serialport/parser-byte-length
npm WARN deprecated parser-cctalk@1.0.2: reanmed to @serialport/parser-cctalk
npm WARN deprecated parser-readline@1.0.2: reanmed to @serialport/parser-readline
npm WARN deprecated parser-regex@1.0.2: reanmed to @serialport/parser-regex
npm WARN deprecated parser-delimiter@1.0.2: reanmed to @serialport/parser-delimiter
npm WARN deprecated parser-ready@1.0.2: reanmed to @serialport/parser-ready
npm ERR! Linux 4.9.35-v7+
npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "install" "node-red-node-serialport"
npm ERR! node v6.13.1
npm ERR! npm  v3.10.10
npm ERR! path /home/pi/.node-red/node_modules/node-red-contrib-freeboard
npm ERR! code EISGIT

npm ERR! git /home/pi/.node-red/node_modules/node-red-contrib-freeboard: Appears to be a git repo or submodule.
npm ERR! git     /home/pi/.node-red/node_modules/node-red-contrib-freeboard
npm ERR! git Refusing to remove it. Update manually,
npm ERR! git or move it out of the way first.

npm ERR! Please include the following file with any support request:
npm ERR!     /home/pi/.node-red/npm-debug.log

no new nodes
No nods in the palette install tab


Inviato dal mio iPad utilizzando Tapatalk

(2018-05-08, 10:49 AM)jim321 Wrote: i thought freeboard was removed in the last release ??