Joan: /* Proves amb el node JSON, funcions, i d'altres coses */

2018-07-03T14:49:54Z

Proves amb el node JSON, funcions, i d'altres coses

Pàgina nova

=Nodered a la RPi=

*http://noderedguide.com/
*https://nodered.org/docs/hardware/raspberrypi

Install/Upgrade. Aquesta comanda fa tota la feina:
<pre>
$ bash <(curl -sL https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/update-nodejs-and-nodered)
</pre>

Autostart on boot
<pre>
$ sudo systemctl enable nodered.service

reinicio

$ service nodered status
● nodered.service - Node-RED graphical event wiring tool
Loaded: loaded (/lib/systemd/system/nodered.service; enabled; vendor preset:
Active: active (running) since Tue 2018-06-26 14:08:18 UTC; 4min 55s ago
</pre>
Des del portàtil:
*http://192.168.1.35:1880/
I ara ja puc fer les primeres proves. Si vull treballar amb els pins GPIO de la RPi, m'he d'acabar de mirar el document, però ha de ser fàcil.
==Proves amb el node JSON, funcions, i d'altres coses==
He fet proves, i a vegades no és tan evident. El projecte que estic fent es pot exportar per tal de poder reproduir-lo en un altre servidor de Node-Red:
<pre>
[
{
"id": "41a49b9.e8e4864",
"type": "mqtt in",
"z": "136051ed.8837e6",
"name": "sensors/temp",
"topic": "sensors/temp",
"qos": "2",
"broker": "63ab529b.a5043c",
"x": 110,
"y": 200,
"wires": [
[
"6e6e9778.625478"
]
]
},
{
"id": "c18fce18.dbcd18",
"type": "debug",
"z": "136051ed.8837e6",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "payload.temp",
"x": 450,
"y": 160,
"wires": []
},
{
"id": "1f1b8ac.0966ef5",
"type": "mqtt out",
"z": "136051ed.8837e6",
"name": "",
"topic": "sensors/temp",
"qos": "",
"retain": "",
"broker": "63ab529b.a5043c",
"x": 320,
"y": 80,
"wires": []
},
{
"id": "b6486aee.3b3ad",
"type": "inject",
"z": "136051ed.8837e6",
"name": "valor_sensors",
"topic": "",
"payload": "{\"temp\":15,\"hr\":50}",
"payloadType": "str",
"repeat": "",
"crontab": "",
"once": true,
"onceDelay": 0.1,
"x": 140,
"y": 80,
"wires": [
[
"1f1b8ac.0966ef5"
]
]
},
{
"id": "6e6e9778.625478",
"type": "json",
"z": "136051ed.8837e6",
"name": "",
"property": "payload",
"action": "",
"pretty": false,
"x": 270,
"y": 200,
"wires": [
[
"c18fce18.dbcd18",
"c483ca38.b267e8",
"68fc3de7.a6a8dc",
"106902ed.6018bd",
"17adb637.1414ea"
]
]
},
{
"id": "c483ca38.b267e8",
"type": "debug",
"z": "136051ed.8837e6",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "payload.hr",
"x": 440,
"y": 200,
"wires": []
},
{
"id": "68fc3de7.a6a8dc",
"type": "switch",
"z": "136051ed.8837e6",
"name": "switch",
"property": "payload.temp",
"propertyType": "msg",
"rules": [
{
"t": "gte",
"v": "30",
"vt": "jsonata"
},
{
"t": "lt",
"v": "20",
"vt": "jsonata"
}
],
"checkall": "true",
"repair": false,
"outputs": 2,
"x": 410,
"y": 240,
"wires": [
[
"9a8f0549.de7b88"
],
[
"3336973a.8ab3d8"
]
]
},
{
"id": "3336973a.8ab3d8",
"type": "change",
"z": "136051ed.8837e6",
"name": "",
"rules": [
{
"t": "set",
"p": "payload.temp",
"pt": "msg",
"to": "encendre el calentador",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 600,
"y": 280,
"wires": [
[
"e230ed4a.4bac6"
]
]
},
{
"id": "9a8f0549.de7b88",
"type": "change",
"z": "136051ed.8837e6",
"name": "",
"rules": [
{
"t": "set",
"p": "payload.temp",
"pt": "msg",
"to": "encendre l'aire acondicionat",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 600,
"y": 240,
"wires": [
[
"e230ed4a.4bac6"
]
]
},
{
"id": "e230ed4a.4bac6",
"type": "debug",
"z": "136051ed.8837e6",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"x": 810,
"y": 260,
"wires": []
},
{
"id": "106902ed.6018bd",
"type": "function",
"z": "136051ed.8837e6",
"name": "return_temp_hr",
"func": "var keys = Object.keys(msg.payload);\n\nvar msgs = keys.map(function(key) {\n return { topic: key, payload: msg.payload[key] };\n});\nreturn [msgs];",
"outputs": 1,
"noerr": 0,
"x": 440,
"y": 360,
"wires": [
[
"cbbebf79.53dce"
]
],
"outputLabels": [
"number"
]
},
{
"id": "cbbebf79.53dce",
"type": "debug",
"z": "136051ed.8837e6",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "payload",
"x": 610,
"y": 360,
"wires": []
},
{
"id": "17adb637.1414ea",
"type": "function",
"z": "136051ed.8837e6",
"name": "return_temp",
"func": "var keys = Object.keys(msg.payload);\n\nvar msgs = keys.map(function(key) {\n return { topic: key, payload: msg.payload[key] };\n});\nreturn [msgs[0]];",
"outputs": 1,
"noerr": 0,
"x": 330,
"y": 440,
"wires": [
[
"2c3eb87a.189be8"
]
]
},
{
"id": "9ed0b840.189b",
"type": "debug",
"z": "136051ed.8837e6",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"x": 850,
"y": 440,
"wires": []
},
{
"id": "2c3eb87a.189be8",
"type": "switch",
"z": "136051ed.8837e6",
"name": "switch_temp",
"property": "payload",
"propertyType": "msg",
"rules": [
{
"t": "gte",
"v": "30",
"vt": "num"
},
{
"t": "lt",
"v": "20",
"vt": "num"
}
],
"checkall": "true",
"repair": false,
"outputs": 2,
"x": 490,
"y": 440,
"wires": [
[
"e54c99b.bb22e68"
],
[
"97c530f4.40ad8"
]
]
},
{
"id": "e54c99b.bb22e68",
"type": "change",
"z": "136051ed.8837e6",
"name": "",
"rules": [
{
"t": "set",
"p": "payload",
"pt": "msg",
"to": "encendre aire acondicionat",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 670,
"y": 420,
"wires": [
[
"9ed0b840.189b"
]
]
},
{
"id": "97c530f4.40ad8",
"type": "change",
"z": "136051ed.8837e6",
"name": "",
"rules": [
{
"t": "set",
"p": "payload",
"pt": "msg",
"to": "encendre calentador",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 670,
"y": 460,
"wires": [
[
"9ed0b840.189b"
]
]
},
{
"id": "63ab529b.a5043c",
"type": "mqtt-broker",
"z": "",
"name": "mosquitto",
"broker": "192.168.1.33",
"port": "1883",
"clientid": "",
"usetls": false,
"compatmode": true,
"keepalive": "60",
"cleansession": true,
"birthTopic": "",
"birthQos": "0",
"birthPayload": "",
"closeTopic": "",
"closeQos": "0",
"closePayload": "",
"willTopic": "",
"willQos": "0",
"willPayload": ""
}
]</pre>

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Joan: /* Proves amb el node JSON, funcions, i d'altres coses */