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flow.json
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flow.json
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[
{
"id": "f74bc4c5.ba44d8",
"type": "tab",
"label": "doorbell service",
"disabled": false,
"info": ""
},
{
"id": "e06e6cbd.e8c56",
"type": "tab",
"label": "record & upload",
"disabled": false,
"info": ""
},
{
"id": "c8a363d6.9d7ea",
"type": "tab",
"label": "issue buffer",
"disabled": true,
"info": "see https://discourse.nodered.org/t/http-request-node-invalid-message-body-was-specified-to-be-cbor-but-could-not-decode-message-failed-to-parse/30503"
},
{
"id": "bc919662.2457c8",
"type": "tab",
"label": "edge impulse node test",
"disabled": true,
"info": ""
},
{
"id": "d1671742.a5e358",
"type": "tab",
"label": "buffer => window",
"disabled": true,
"info": ""
},
{
"id": "48a68979.0ff158",
"type": "tab",
"label": "parse wav file",
"disabled": true,
"info": ""
},
{
"id": "a9d77ae0.88b068",
"type": "ui_tab",
"name": "Edge Impulse",
"icon": "dashboard",
"disabled": false,
"hidden": false
},
{
"id": "4e4602c1.8260bc",
"type": "ui_group",
"name": "recorder",
"tab": "a9d77ae0.88b068",
"order": 1,
"disp": true,
"width": "4",
"collapse": false
},
{
"id": "8a7aa509.d790e8",
"type": "ui_base",
"theme": {
"name": "theme-light",
"lightTheme": {
"default": "#0094CE",
"baseColor": "#0094CE",
"baseFont": "-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif",
"edited": true,
"reset": false
},
"darkTheme": {
"default": "#097479",
"baseColor": "#097479",
"baseFont": "-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif",
"edited": false
},
"customTheme": {
"name": "Untitled Theme 1",
"default": "#4B7930",
"baseColor": "#4B7930",
"baseFont": "-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif"
},
"themeState": {
"base-color": {
"default": "#0094CE",
"value": "#0094CE",
"edited": false
},
"page-titlebar-backgroundColor": {
"value": "#0094CE",
"edited": false
},
"page-backgroundColor": {
"value": "#fafafa",
"edited": false
},
"page-sidebar-backgroundColor": {
"value": "#ffffff",
"edited": false
},
"group-textColor": {
"value": "#1bbfff",
"edited": false
},
"group-borderColor": {
"value": "#ffffff",
"edited": false
},
"group-backgroundColor": {
"value": "#ffffff",
"edited": false
},
"widget-textColor": {
"value": "#111111",
"edited": false
},
"widget-backgroundColor": {
"value": "#0094ce",
"edited": false
},
"widget-borderColor": {
"value": "#ffffff",
"edited": false
},
"base-font": {
"value": "-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif"
}
},
"angularTheme": {
"primary": "indigo",
"accents": "blue",
"warn": "red",
"background": "grey"
}
},
"site": {
"name": "Node-RED Dashboard",
"hideToolbar": "false",
"allowSwipe": "false",
"lockMenu": "false",
"allowTempTheme": "true",
"dateFormat": "DD/MM/YYYY",
"sizes": {
"sx": 48,
"sy": 48,
"gx": 6,
"gy": 6,
"cx": 6,
"cy": 6,
"px": 0,
"py": 0
}
}
},
{
"id": "e3694a3c.a18638",
"type": "ui_group",
"name": "uploading",
"tab": "a9d77ae0.88b068",
"order": 2,
"disp": true,
"width": "4",
"collapse": false
},
{
"id": "b715862a.59d738",
"type": "mqtt-broker",
"name": "local mqtt service",
"broker": "mqtt",
"port": "1883",
"clientid": "",
"usetls": false,
"compatmode": false,
"keepalive": "60",
"cleansession": true,
"birthTopic": "",
"birthQos": "0",
"birthPayload": "",
"closeTopic": "",
"closeQos": "0",
"closePayload": "",
"willTopic": "",
"willQos": "0",
"willPayload": ""
},
{
"id": "271ce908.9068f6",
"type": "slack-config",
"name": "$slack_token"
},
{
"id": "380b2813.e48b58",
"type": "sox-record",
"z": "e06e6cbd.e8c56",
"name": "",
"buttonStart": "msg",
"inputs": 1,
"inputSource": "default",
"manualSource": "",
"inputChannels": "",
"inputRate": "",
"inputBits": "",
"byteOrder": "-L",
"encoding": "signed-integer",
"channels": 1,
"rate": "44100",
"bits": 16,
"gain": "0",
"lowpass": 8000,
"showDuration": true,
"durationType": "limited",
"durationLength": "60",
"silenceDetection": "nothing",
"silenceDuration": "2.0",
"silenceThreshold": "2.0",
"outputFormat": "wav",
"manualPath": "ouput_test",
"debugOutput": false,
"x": 590,
"y": 340,
"wires": [
[
"e8ca4264.23b26"
],
[
"86186edb.b03a4"
]
]
},
{
"id": "a3f2c007.8987f",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "raw audio buffer",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"targetType": "full",
"statusVal": "",
"statusType": "auto",
"x": 1380,
"y": 160,
"wires": []
},
{
"id": "79b7b810.6ffd18",
"type": "inject",
"z": "e06e6cbd.e8c56",
"name": "test start",
"props": [
{
"p": "payload"
}
],
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "start",
"payloadType": "str",
"x": 100,
"y": 160,
"wires": [
[
"8b26bdec.67633"
]
]
},
{
"id": "86186edb.b03a4",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "recording progress info",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"targetType": "full",
"x": 890,
"y": 340,
"wires": []
},
{
"id": "d9ca7592.17aa78",
"type": "sox-play",
"z": "e06e6cbd.e8c56",
"name": "",
"outputDevice": "default",
"gain": "0",
"startNew": "skip",
"playStream": false,
"inputChannels": "",
"inputRate": "",
"inputBits": "",
"debugOutput": false,
"x": 620,
"y": 640,
"wires": [
[
"36e932de.a4d03e",
"4b3827df.5079f8"
]
]
},
{
"id": "183cbd75.1aec93",
"type": "sox-convert",
"z": "e06e6cbd.e8c56",
"name": "down sampling",
"conversionType": "wav",
"outputToFile": "buffer",
"manualPath": "",
"wavMore": true,
"wavByteOrder": "-L",
"wavEncoding": "signed-integer",
"wavChannels": 1,
"wavRate": 16000,
"wavBits": 16,
"flacMore": false,
"flacCompression": 8,
"flacChannels": 1,
"flacRate": 16000,
"flacBits": 16,
"mp3More": false,
"mp3Channels": 2,
"mp3Rate": 44100,
"mp3BitRate": 128,
"oggMore": false,
"oggCompression": 3,
"oggChannels": 2,
"oggRate": 44100,
"debugOutput": false,
"x": 740,
"y": 540,
"wires": [
[
"31f595c4.a4886a"
],
[
"162d292b.ca7247"
]
]
},
{
"id": "36e932de.a4d03e",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "sox-play output",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "payload",
"targetType": "msg",
"x": 800,
"y": 640,
"wires": []
},
{
"id": "162d292b.ca7247",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "down sampling info",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "payload",
"targetType": "msg",
"x": 970,
"y": 560,
"wires": []
},
{
"id": "31f595c4.a4886a",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "down sampled",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "payload",
"targetType": "msg",
"x": 960,
"y": 520,
"wires": []
},
{
"id": "6a247f6a.1dcca",
"type": "http request",
"z": "e06e6cbd.e8c56",
"name": "post edge impulse",
"method": "POST",
"ret": "bin",
"paytoqs": "ignore",
"url": "",
"tls": "",
"persist": false,
"proxy": "",
"authType": "",
"x": 370,
"y": 1080,
"wires": [
[
"7b924d20.2edf44",
"ba054a5a.749828"
]
]
},
{
"id": "7b924d20.2edf44",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "post response",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"targetType": "full",
"x": 740,
"y": 1080,
"wires": []
},
{
"id": "e8ca4264.23b26",
"type": "change",
"z": "e06e6cbd.e8c56",
"name": "",
"rules": [
{
"t": "set",
"p": "audio_recording",
"pt": "flow",
"to": "payload",
"tot": "msg"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 890,
"y": 300,
"wires": [
[]
]
},
{
"id": "e0ccef11.1d155",
"type": "CBOR",
"z": "e06e6cbd.e8c56",
"name": "",
"x": 350,
"y": 880,
"wires": [
[
"ffb6e57.c3a1418",
"3e88061e.44739a"
]
]
},
{
"id": "2e3571cf.c0e94e",
"type": "change",
"z": "e06e6cbd.e8c56",
"name": "set payload and headers",
"rules": [
{
"t": "set",
"p": "payload",
"pt": "msg",
"to": "{\t \"protected\": {\t \"ver\": \"v1\",\t \"alg\": \"none\",\t \"iat\": ($now()~>$toMillis())/1000~>$round(0)\t },\t \"signature\": \"0000000000000000000000000000000000000000000000000000000000000000\",\t \"payload\": {\t \"device_name\": $env(\"DEVICE_NAME\"),\t \"device_type\": $env(\"DEVICE_TYPE\"),\t \"interval_ms\": 1000/44100,\t \"sensors\": [\t { \"name\": \"audio\", \"units\": \"wav\" }\t ],\t \"values\": [ \"Ref-BINARY-i16 \" ]\t }\t}",
"tot": "jsonata"
},
{
"t": "set",
"p": "headers",
"pt": "msg",
"to": "{\t 'x-api-key': $env(\"EDGE_IMPULSE_APIKEY\"),\t 'x-file-name': $flowContext(\"label\")& '.01',\t 'x-label': $flowContext(\"label\"),\t 'Content-Type': 'application/octet-stream'\t}",
"tot": "jsonata"
},
{
"t": "set",
"p": "url",
"pt": "msg",
"to": "\"http://ingestion.edgeimpulse.com/api/\" & $flowContext(\"purpose\") & \"/data\"",
"tot": "jsonata"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 370,
"y": 820,
"wires": [
[
"e0ccef11.1d155",
"319934d.b3adfcc",
"fed59dfb.a27fa"
]
]
},
{
"id": "aa7c389.b1cc7c8",
"type": "inject",
"z": "e06e6cbd.e8c56",
"name": "upload",
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 150,
"y": 820,
"wires": [
[
"2e3571cf.c0e94e"
]
]
},
{
"id": "ffb6e57.c3a1418",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "to CBOR",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"targetType": "full",
"x": 620,
"y": 880,
"wires": []
},
{
"id": "319934d.b3adfcc",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"targetType": "full",
"x": 610,
"y": 820,
"wires": []
},
{
"id": "63f5e967.d89308",
"type": "function",
"z": "e06e6cbd.e8c56",
"name": "to hex",
"func": "msg.payload = msg.payload.toString('hex');\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 710,
"y": 980,
"wires": [
[
"f9c238e3.9b5978"
]
]
},
{
"id": "f9c238e3.9b5978",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "to hex string",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "payload",
"targetType": "msg",
"x": 850,
"y": 980,
"wires": []
},
{
"id": "259b5d28.809f42",
"type": "function",
"z": "e06e6cbd.e8c56",
"name": "append audio recording",
"func": "\nmsg.payload = Buffer.concat([msg.payload, flow.get(\"audio_recording\")]);\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 370,
"y": 1000,
"wires": [
[
"95afaff8.797f2",
"63f5e967.d89308",
"6a247f6a.1dcca"
]
]
},
{
"id": "95afaff8.797f2",
"type": "debug",
"z": "e06e6cbd.e8c56",
"name": "body without signature",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"targetType": "full",
"x": 760,
"y": 1020,
"wires": []
},
{
"id": "3e88061e.44739a",
"type": "function",
"z": "e06e6cbd.e8c56",
"name": "change last field in indefinete array with FF",
"func": "/* assured that it should end like:\n 9F # array(*)\n 6E # text(14)\n 5265662D42494E4152592D693136 # \"Ref-BINARY-i16\"\n FF # primitive(*)\n*/\n\nvar buf = msg.payload\n\nbuf.writeUInt8(0x9f, buf.length - 17);\nbuf.writeUInt8(0x6e, buf.length - 16);\nbuf.writeUInt8(0xff, buf.length - 1);\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 430,
"y": 940,
"wires": [
[
"259b5d28.809f42"
]
]
},
{
"id": "57f23b8e.96c0d4",
"type": "inject",
"z": "c8a363d6.9d7ea",
"name": "test2",
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 110,
"y": 140,
"wires": [
[
"472840dc.7cc27"
]
]
},
{
"id": "f213a3fd.a5656",
"type": "http request",
"z": "c8a363d6.9d7ea",
"name": "",
"method": "POST",
"ret": "bin",
"paytoqs": false,
"url": "http://localhost:1880/test1",
"tls": "",
"persist": false,
"proxy": "",
"authType": "",
"x": 310,
"y": 300,
"wires": [
[
"d3095d49.e1207"
]
]
},
{
"id": "c0f4f4ca.6987e8",
"type": "http in",
"z": "c8a363d6.9d7ea",
"name": "",
"url": "/test1",
"method": "post",
"upload": false,
"swaggerDoc": "",
"x": 290,
"y": 460,
"wires": [
[
"b91f8f18.38633",
"538a872.9174b78",
"73a5dd8e.eeb734"
]
]
},
{
"id": "b91f8f18.38633",
"type": "http response",
"z": "c8a363d6.9d7ea",
"name": "",
"statusCode": "",
"headers": {},
"x": 560,
"y": 460,
"wires": []
},
{
"id": "d3095d49.e1207",
"type": "debug",
"z": "c8a363d6.9d7ea",
"name": "http request response",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"targetType": "full",
"x": 600,
"y": 300,
"wires": []
},
{
"id": "538a872.9174b78",
"type": "debug",
"z": "c8a363d6.9d7ea",
"name": "received message",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"targetType": "full",
"x": 460,
"y": 420,
"wires": []
},
{
"id": "bed7e6e9.97b918",
"type": "function",
"z": "c8a363d6.9d7ea",
"name": "set payload to buffer",
"func": "msg.payload = Buffer.from('00ff', 'hex');\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 340,
"y": 220,
"wires": [
[
"8ea5db8c.5d44c8",
"243e5dfa.00aa12",
"f213a3fd.a5656"
]
]
},
{
"id": "243e5dfa.00aa12",
"type": "debug",
"z": "c8a363d6.9d7ea",
"name": "http request in",
"active": false,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "true",
"targetType": "full",
"x": 580,
"y": 260,
"wires": []
},
{
"id": "73a5dd8e.eeb734",
"type": "function",
"z": "c8a363d6.9d7ea",
"name": "",
"func": "msg.payload = msg.payload.toString('hex');\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 430,
"y": 520,
"wires": [
[
"350dd73e.bc2168"
]
]
},
{
"id": "350dd73e.bc2168",
"type": "debug",
"z": "c8a363d6.9d7ea",
"name": "payload (received) in hex format",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "payload",
"targetType": "msg",
"x": 660,
"y": 520,
"wires": []
},
{
"id": "8ea5db8c.5d44c8",
"type": "function",
"z": "c8a363d6.9d7ea",
"name": "",
"func": "msg.payload = msg.payload.toString('hex');\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 570,
"y": 220,
"wires": [
[
"ba52257d.b84c58"
]
]
},
{
"id": "ba52257d.b84c58",
"type": "debug",
"z": "c8a363d6.9d7ea",
"name": "payload (being send) in hex format",
"active": false,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "payload",
"targetType": "msg",
"x": 810,
"y": 220,
"wires": []
},
{
"id": "7dda9258.f6379c",
"type": "change",
"z": "c8a363d6.9d7ea",
"name": "set msg.headers - content-type audio/wav",
"rules": [
{
"t": "set",
"p": "headers",
"pt": "msg",
"to": "{\"Content-Type\":\"audio/wav\",\"x-label\":\"idle\"}",
"tot": "json"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 410,
"y": 100,
"wires": [
[
"bed7e6e9.97b918"
]
]
},
{
"id": "33da16dd.9c0e9a",
"type": "inject",
"z": "c8a363d6.9d7ea",
"name": "test1",
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 110,
"y": 100,
"wires": [
[
"7dda9258.f6379c"
]
]
},
{
"id": "472840dc.7cc27",
"type": "change",
"z": "c8a363d6.9d7ea",
"name": "set msg.headers - content-type application/cbor",
"rules": [
{
"t": "set",
"p": "headers",
"pt": "msg",
"to": "{\"Content-Type\":\"application/cbor\",\"x-label\":\"idle\"}",
"tot": "json"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 420,
"y": 140,
"wires": [
[
"bed7e6e9.97b918"
]
]
},
{
"id": "425cc81d.245cf8",
"type": "inject",
"z": "c8a363d6.9d7ea",
"name": "test3",
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 110,
"y": 60,
"wires": [
[
"3ad64b5.90314b4"
]
]
},
{
"id": "3ad64b5.90314b4",
"type": "change",
"z": "c8a363d6.9d7ea",
"name": "set msg.headers - content-type application/octet-stream",
"rules": [
{
"t": "set",
"p": "headers",
"pt": "msg",
"to": "{\"Content-Type\":\"application/octet-stream\",\"x-label\":\"idle\"}",
"tot": "json"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 450,
"y": 60,
"wires": [
[
"bed7e6e9.97b918"
]
]
},
{
"id": "8b26bdec.67633",
"type": "ui_switch",
"z": "e06e6cbd.e8c56",
"name": "record",
"label": "",
"tooltip": "start/stop recording",
"group": "4e4602c1.8260bc",
"order": 2,
"width": "2",
"height": "1",
"passthru": true,
"decouple": "false",
"topic": "",
"style": "",
"onvalue": "start",
"onvalueType": "str",
"onicon": "mic",
"oncolor": "red",
"offvalue": "stop",
"offvalueType": "str",
"officon": "mic_none",
"offcolor": "blue",
"x": 510,
"y": 160,
"wires": [
[
"1c7cf0c7.920fbf",
"60a9eeca.86b56",
"c269accd.fcc25"
]
]
},
{
"id": "6f0e81b6.d45c",
"type": "inject",
"z": "e06e6cbd.e8c56",
"name": "test stop",
"props": [