can.json
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{
"interface": "socketcan",
"channel": "vcan0",
"backend": {
"fd": true
},
"reconnectPeriod": 5,
"devices": [
{
"name": "Car",
"sendDataOnlyOnChange": false,
"enableUnknownRpc": true,
"strictEval": false,
"attributes": [
{
"key": "isDriverDoorOpened",
"nodeId": 41,
"command": "2:2:big:8717",
"value": "4:1:int",
"expression": "bool(value & 0b00000100)",
"polling": {
"type": "once",
"dataInHex": "AB CD AB CD"
}
}
],
"timeseries": [
{
"key": "rpm",
"nodeId": 1918,
"isExtendedId": true,
"command": "2:2:big:48059",
"value": "4:2:big:int",
"expression": "value / 4",
"polling": {
"type": "always",
"period": 5,
"dataInHex": "aaaa bbbb aaaa bbbb"
}
},
{
"key": "milliage",
"nodeId": 1918,
"isExtendedId": true,
"value": "4:2:little:int",
"expression": "value * 10",
"polling": {
"type": "always",
"period": 30,
"dataInHex": "aa bb cc dd ee ff aa bb"
}
}
],
"attributeUpdates": [
{
"attributeOnThingsBoard": "softwareVersion",
"nodeId": 64,
"isExtendedId": true,
"dataLength": 4,
"dataExpression": "value + 5",
"dataByteorder": "little"
}
],
"serverSideRpc": [
{
"method": "sendSameData",
"nodeId": 4,
"isExtendedId": true,
"isFd": true,
"bitrateSwitch": true,
"dataInHex": "aa bb cc dd ee ff aa bb aa bb cc d ee ff"
},
{
"method": "setLightLevel",
"nodeId": 5,
"dataLength": 2,
"dataByteorder": "little",
"dataBefore": "00AA"
},
{
"method": "setSpeed",
"nodeId": 16,
"dataAfter": "0102",
"dataExpression": "userSpeed if maxAllowedSpeed > userSpeed else maxAllowedSpeed"
}
]
}
]
}