Hello,
I have the following setup
{
"id": "device_plugin_bmp180sensor_bmp180",
"name": "BMP180 sensor",
"class": "BMP180Sensor",
"device": "/dev/i2c-1",
"address": "0x77",
"interval": 60000
},
{
"timeBase": "minute",
"stats": [
"min",
"max",
"mean",
"percentChange"
],
"output": {
"name": "filterairpressure",
"expression": "$variable_number_normalizedpressure"
},
"xAttributeOptions": [],
"id": "filterairpressure",
"name": "filterairpressure",
"class": "SimpleRateOfChangeFilter"
},
{
"name": "variable_number_normalizedpressure",
"expression": "$device_plugin_bmp180sensor_bmp180.pressure*pow((1-((0.0065*400)/(21+0.0065*400+273.15))),-5.257)"
},
after restarting pimatic I got this message all the time
error [pimatic]: Error loading device "filterairpressure": Could not parse expression
Any Help?