EWATTCH LoRaWAN Decode
EWATTCH LoRaWAN Decode
[{"id":"4830a254.c8ad14","type":"function","z":"4c2beb28.33872c","name":"Decode-Ewattch-Payload","func":"var lengthpayload = msg.payload.length;\nvar temperature;\nvar humidity;\nvar presence;\nvar luminosity;\nvar co2;\n\nif(msg.hardware_serial.includes(\"70B3\")){\n for(var i=2;i<(lengthpayload-2);i++){\n switch(msg.payload[i]){\n case 0x00: // temperature\n temperature=msg.payload[i+2]*0x100+msg.payload[i+1];\n temperature=temperature/100.0;\n msg.temperature=temperature;\n i=i+2;\n break;\n \n case 0x04: // humidité\n humidity=msg.payload[i+1]*0.5;\n msg.humidity=humidity;\n i=i+1;\n break;\n \n case 0x08: // CO2\n co2=msg.payload[i+2]*0x100+msg.payload[i+1];\n msg.co2=co2;\n i=i+2;\n break;\n \n case 0x10: // luminosity\n luminosity=msg.payload[i+2]*0x100+msg.payload[i+1];\n msg.luminosity=luminosity*1.0;\n i=i+2;\n break;\n \n case 0x14: //presence\n presence=msg.payload[i+2]*0x100+msg.payload[i+1];\n msg.presence=presence*1.0;\n i=i+2;\n break;\n \n }\n}\n\nmsg.payload={\n Dates : msg.payload.timestamp,\n DevEUID : msg.hardware_serial,\n Temperature : temperature,\n Humidity : humidity,\n Luminosity : luminosity,\n Presence : presence,\n CO2 : co2\n }\nreturn msg\n}","outputs":"1","noerr":0,"x":570,"y":300,"wires":[["ab8787b1.11626","ca15188d.53ab08","3eab46c7.5b3b92"]],"outputLabels":["msg"]}]
