virtual_sensor_config.json

[
	{
		"Desc" :
		{
			"Name" : "Virtual_Inlet_Temp",
			"SensorType" : "temperature",
			"MaxValue": 127.0,
			"MinValue": -128.0
		},
		"Threshold" :
		{
			"CriticalHigh": 90,
			"CriticalLow": 20,
			"WarningHigh": 70,
			"WarningLow": 30
		},
		"Associations":
		[
			[
				"chassis",
				"all_sensors",
				"/xyz/openbmc_project/inventory/system/board/my_board"
			]
		],
		"Params":
		{
			"ConstParam" :
			[
				{
					"ParamName" : "P1",
					"Value" : 1.1
				}
			],
			"DbusParam" :
			[
				{
					"ParamName" : "P2",
					"Desc" :
					{
						"Name" : "MB_INLET_TEMP",
						"SensorType" : "temperature"
					}
				},
				{
					"ParamName" : "P3",
					"Desc" :
					{
						"Name" : "MB_FAN0_TACH",
						"SensorType" : "fan_tach"
					}
				}
			]
		},
		"Expression" : "P1 * (P2 + 5 - P3 * 0.01)"
	}
]