Plugin file
Plugin configuration file
{
"name": "milesight-iot-em300-mld",
"version": "1.0.0",
"description": "The EM300-MLD is an innovative LoRaWAN leak sensor that incorporates a flexible printed membrane",
"author": "Thinger.io",
"license": "MIT",
"repository": {
"type": "git",
"url": "https://github.com/thinger-io/plugins.git",
"directory": "milesight-iot-em300-mld"
},
"metadata": {
"name": "Milesight-Iot EM300-MLD",
"description": "The EM300-MLD is an innovative LoRaWAN leak sensor that incorporates a flexible printed membrane",
"image": "assets/em300-mld.png",
"category": "devices",
"vendor": "milesight-iot"
},
"resources": {
"products": [
{
"description": "The EM300-MLD is an innovative LoRaWAN leak sensor that incorporates a flexible printed membrane",
"enabled": true,
"name": "Milesight-Iot EM300-MLD",
"product": "milesight_iot_em300_mld",
"profile": {
"api": {
"downlink": {
"enabled": true,
"handle_connectivity": false,
"request": {
"data": {
"path": "/downlink",
"payload": "{\r\n \"data\" : \"{{payload.data=\"\"}}\",\r\n \"port\" : {{payload.port=2}},\r\n \"priority\": {{payload.priority=3}},\r\n \"confirmed\" : {{payload.confirmed=false}},\r\n \"uplink\" : {{property.uplink}} \r\n}",
"payload_function": "",
"payload_type": "",
"plugin": "{{property.uplink.source}}",
"target": "plugin_endpoint"
}
}
},
"uplink": {
"enabled": true,
"handle_connectivity": true,
"request": {
"data": {
"payload": "{{payload}}",
"payload_function": "",
"payload_type": "source_payload",
"resource_stream": "uplink",
"target": "resource_stream"
}
}
}
},
"autoprovisions": {
"device_autoprovisioning": {
"config": {
"mode": "pattern",
"pattern": "em300_mld_.*"
},
"enabled": true
}
},
"buckets": {
"milesight_em300_mld_data": {
"backend": "mongodb",
"data": {
"payload": "{{payload}}",
"payload_function": "",
"payload_type": "source_payload",
"resource_stream": "uplink_decoded",
"source": "resource_stream"
},
"enabled": true,
"retention": {
"period": 3,
"unit": "months"
},
"tags": []
}
},
"code": {
"code": "function decodeThingerUplink(thingerData) {\n // 0. If data has already been decoded, we will return it\n if (thingerData.decodedPayload) return thingerData.decodedPayload;\n \n // 1. Extract and Validate Input\n // We need 'payload' (hex string) and 'fPort' (integer)\n const hexPayload = thingerData.payload || \"\";\n const port = thingerData.fPort || 1;\n\n // 2. Convert Hex String to Byte Array\n const bytes = [];\n for (let i = 0; i < hexPayload.length; i += 2) {\n bytes.push(parseInt(hexPayload.substr(i, 2), 16));\n }\n\n // 3. Dynamic Function Detection and Execution\n \n // CASE A: (The Things Stack v3)\n if (typeof decodeUplink === 'function') {\n try {\n const input = {\n bytes: bytes,\n fPort: port\n };\n var result = decodeUplink(input);\n \n if (result.data) return result.data;\n\n return result; \n } catch (e) {\n console.error(\"Error inside decodeUplink:\", e);\n throw e;\n }\n }\n\n // CASE B: Legacy TTN (v2)\n else if (typeof Decoder === 'function') {\n try {\n return Decoder(bytes, port);\n } catch (e) {\n console.error(\"Error inside Decoder:\", e);\n throw e;\n }\n }\n\n // CASE C: No decoder found\n else {\n throw new Error(\"No compatible TTN decoder function (decodeUplink or Decoder) found in scope.\");\n }\n}\n\n\n// TTN decoder\nfunction decodeUplink(input) {\n var res = Decoder(input.bytes, input.fPort);\n if (res.error) {\n return {\n errors: [res.error],\n };\n }\n return {\n data: res,\n };\n}\n\n/**\n * Payload Decoder for The Things Network\n *\n * Copyright 2023 Milesight IoT\n *\n * @product EM300-MLD\n */\nfunction Decoder(bytes, port) {\n return milesight(bytes);\n}\n\nfunction milesight(bytes) {\n var decoded = {};\n\n for (var i = 0; i < bytes.length;) {\n var channel_id = bytes[i++];\n var channel_type = bytes[i++];\n // BATTERY\n if (channel_id === 0x01 && channel_type === 0x75) {\n decoded.battery = bytes[i];\n i += 1;\n }\n // LEAKAGE STATUS\n else if (channel_id === 0x05 && channel_type === 0x00) {\n decoded.leakage_status = bytes[i] === 0 ? \"normal\" : \"leak\";\n i += 1;\n }\n // TEMPERATURE, HUMIDITY & LEAKAGE STATUS HISTROY\n else if (channel_id === 0x20 && channel_type === 0xce) {\n var point = {};\n point.timestamp = readUInt32LE(bytes.slice(i, i + 4));\n point.leakage_status = bytes[i + 7] === 0 ? \"normal\" : \"leak\";\n\n decoded.history = decoded.history || [];\n decoded.history.push(point);\n i += 8;\n } else {\n break;\n }\n }\n\n return decoded;\n}\n\n/* ******************************************\n * bytes to number\n ********************************************/\nfunction readUInt16LE(bytes) {\n var value = (bytes[1] << 8) + bytes[0];\n return value & 0xffff;\n}\n\nfunction readInt16LE(bytes) {\n var ref = readUInt16LE(bytes);\n return ref > 0x7fff ? ref - 0x10000 : ref;\n}\n\nfunction readUInt32LE(bytes) {\n var value = (bytes[3] << 24) + (bytes[2] << 16) + (bytes[1] << 8) + bytes[0];\n return (value & 0xffffffff) >>> 0;\n}\n",
"environment": "javascript",
"storage": "",
"version": "1.0"
},
"flows": {
"milesight_em300_mld_decoder": {
"data": {
"payload": "{{payload}}",
"payload_function": "decodeThingerUplink",
"payload_type": "source_payload",
"resource": "uplink",
"source": "resource",
"update": "events"
},
"enabled": true,
"sink": {
"payload": "{{payload}}",
"payload_function": "",
"payload_type": "source_payload",
"resource_stream": "uplink_decoded",
"target": "resource_stream"
},
"split_data": false
}
},
"properties": {
"uplink": {
"data": {
"payload": "{{payload}}",
"payload_function": "",
"payload_type": "source_payload",
"resource": "uplink",
"source": "resource",
"update": "events"
},
"default": {
"source": "value"
},
"enabled": true
}
}
},
"_resources": {
"properties": [
{
"property": "dashboard",
"value": {
"tabs": [
{
"name": "EM300-MLD Overview",
"widgets": [
{
"layout": {
"col": 0,
"row": 0,
"sizeX": 2,
"sizeY": 5
},
"panel": {
"color": "#ffffff",
"currentColor": "#ffffff",
"showOffline": {
"type": "none"
},
"title": "Leakage Status"
},
"properties": {
"decimalPlaces": 2,
"enableExtraTextColor": false,
"enableIconColor": false,
"enableIconSize": false,
"extraText": "",
"extraTextColor": "#1E313E",
"extraTextColorConditions": [],
"extraTextConditions": [],
"extraTextPosition": "above-value",
"extraTextSize": "20px",
"extraTextWeight": "font-light",
"icon": "",
"iconColor": "#1E313E",
"iconColorConditions": [],
"iconConditions": [],
"iconGap": "8px",
"iconPosition": "before-value",
"iconSize": "75px",
"iconVerticalOffset": "0px",
"link": "",
"textAlign": "center",
"textColor": "#1E313E",
"textColorConditions": [
{
"color": "#e74c3c",
"id": "leak",
"max": "",
"min": "",
"text": "leak"
},
{
"color": "#2ecc71",
"id": "normal",
"max": "",
"min": "",
"text": "normal"
}
],
"textSize": "65px",
"textWeight": "font-light",
"unit": "",
"unitSize": "20px"
},
"sources": [
{
"bucket": {
"backend": "mongodb",
"id": "milesight_em300_mld_data",
"mapping": "leakage_status",
"tags": {
"device": [],
"group": []
}
},
"color": "#1abc9c",
"name": "Leakage Status",
"source": "bucket",
"timespan": {
"mode": "latest"
}
}
],
"type": "text"
},
{
"layout": {
"col": 0,
"row": 5,
"sizeX": 2,
"sizeY": 5
},
"panel": {
"color": "#ffffff",
"currentColor": "#ffffff",
"showOffline": {
"type": "none"
},
"title": "Battery"
},
"properties": {
"color": "#2ebd59",
"gradient": false,
"max": 100,
"min": 0,
"unit": "%"
},
"sources": [
{
"bucket": {
"backend": "mongodb",
"id": "milesight_em300_mld_data",
"mapping": "battery",
"tags": {
"device": [],
"group": []
}
},
"color": "#2ebd59",
"name": "Battery",
"source": "bucket",
"timespan": {
"mode": "latest"
}
}
],
"type": "gauge"
},
{
"layout": {
"col": 2,
"row": 0,
"sizeX": 4,
"sizeY": 10
},
"panel": {
"color": "#ffffff",
"currentColor": "#ffffff",
"showOffline": {
"type": "none"
},
"title": "Leakage Detection (7 days)"
},
"properties": {
"alignTimeSeries": false,
"dataAppend": false,
"options": "var options = {\n chart: {\n type: 'line',\n stacked: false\n },\n dataLabels: {\n enabled: false\n },\n stroke: {\n curve: 'smooth',\n width: 2\n },\n xaxis: {\n type: 'datetime',\n labels: {\n datetimeUTC: false\n },\n tooltip: {\n enabled: false\n }\n },\n yaxis: [\n {\n seriesName: 'Leakage Events',\n title: {\n text: 'Status'\n },\n labels: {\n formatter: function(val) {\n if (val === 1) return 'Leak';\n if (val === 0) return 'Normal';\n return val;\n }\n }\n }\n ],\n tooltip: {\n x: {\n format: 'dd/MM/yyyy HH:mm:ss'\n }\n },\n colors: ['#e74c3c']\n};\n",
"realTimeUpdate": true
},
"sources": [
{
"bucket": {
"backend": "mongodb",
"id": "milesight_em300_mld_data",
"mapping": "leakage_status",
"tags": {
"device": [],
"group": []
}
},
"color": "#e74c3c",
"name": "Leakage Status",
"processing": {
"output": "function(value) { return value === 'leak' ? 1 : 0; }"
},
"source": "bucket",
"timespan": {
"magnitude": "day",
"mode": "relative",
"period": "latest",
"value": 7
}
}
],
"type": "apex_charts"
},
{
"layout": {
"col": 2,
"row": 10,
"sizeX": 4,
"sizeY": 5
},
"panel": {
"color": "#ffffff",
"currentColor": "#ffffff",
"showOffline": {
"type": "none"
},
"title": "Battery Level (7 days)"
},
"properties": {
"alignTimeSeries": false,
"dataAppend": false,
"options": "var options = {\n chart: {\n type: 'area'\n },\n dataLabels: {\n enabled: false\n },\n stroke: {\n curve: 'smooth'\n },\n xaxis: {\n type: 'datetime',\n labels: {\n datetimeUTC: false\n },\n tooltip: {\n enabled: false\n }\n },\n yaxis: {\n labels: {\n formatter: function (val) {\n if (val !== null && typeof val !== 'undefined')\n return val.toFixed(0) + '%';\n }\n }\n },\n tooltip: {\n x: {\n format: 'dd/MM/yyyy HH:mm:ss'\n }\n }\n};\n",
"realTimeUpdate": true
},
"sources": [
{
"bucket": {
"backend": "mongodb",
"id": "milesight_em300_mld_data",
"mapping": "battery",
"tags": {
"device": [],
"group": []
}
},
"color": "#2ebd59",
"name": "Battery",
"source": "bucket",
"timespan": {
"magnitude": "day",
"mode": "relative",
"period": "latest",
"value": 7
}
}
],
"type": "apex_charts"
},
{
"layout": {
"col": 0,
"row": 10,
"sizeX": 2,
"sizeY": 5
},
"panel": {
"color": "#ffffff",
"currentColor": "#ffffff",
"showOffline": {
"type": "none"
},
"title": "Recent Events"
},
"properties": {
"source": "code",
"template": "<div style=\"width:100%; height:100%; overflow-y:auto; font-family:Arial, sans-serif;\">\n <table class=\"table table-striped table-condensed\">\n <thead>\n <tr>\n <th>Date</th>\n <th>Status</th>\n </tr>\n </thead>\n <tbody>\n <tr ng-repeat=\"entry in value | limitTo: 10\">\n <td>{{ entry.ts | date:'short' }}</td>\n <td>\n <span ng-if=\"entry.leakage_status === 'leak'\" style=\"color:#e74c3c; font-weight:bold;\">LEAK</span>\n <span ng-if=\"entry.leakage_status === 'normal'\" style=\"color:#2ecc71;\">Normal</span>\n </td>\n </tr>\n </tbody>\n </table>\n</div>"
},
"sources": [
{
"bucket": {
"backend": "mongodb",
"id": "milesight_em300_mld_data",
"mapping": "ts",
"tags": {
"device": [],
"group": []
}
},
"color": "#1abc9c",
"name": "ts",
"source": "bucket",
"timespan": {
"magnitude": "day",
"mode": "relative",
"period": "latest",
"value": 7
}
},
{
"bucket": {
"backend": "mongodb",
"id": "milesight_em300_mld_data",
"mapping": "leakage_status",
"tags": {
"device": [],
"group": []
}
},
"color": "#e74c3c",
"name": "leakage_status",
"source": "bucket",
"timespan": {
"magnitude": "day",
"mode": "relative",
"period": "latest",
"value": 7
}
}
],
"type": "html_time"
}
]
}
]
}
}
]
}
}
]
}
}