TTN Smart Sensor (Cotx)

Codec Preview

function decodeUplink(input) { let data = Bytes2HexString(input.bytes); let decoded = {}; if(input.bytes[0] == 241){ decoded.type = input.bytes[0]; if(input.bytes[6] & 0x80){ decoded.longitude = (parseInt(data.substr(12,8),16) - parseInt('100000000',16))/1000000; }else{ decoded.longitude = parseInt(data.substr(12,8),16)/1000000; } if(input.bytes[10] & 0x80){ decoded.latitude = (parseInt(data.substr(20,8),16) - parseInt('100000000',16))/1000000; }else{ decoded.latitude = parseInt(data.substr(20,8),16)/1000000; } decoded.paws = parseInt(data.substr(32,8),16); let run_time_bit = parseInt(data.substr(40,8),16).toString(2); decoded.battery = parseInt(run_time_bit.slice(-21,-14),2); decoded.working = parseInt(run_time_bit.slice(-10),2); }else if(input.bytes[0] == 240){ decoded.type = input.bytes[0]; decoded.paws = parseInt(data.substr(12,8),16); let run_time_bit = parseInt(data.substr(40,8),16).toString(2); decoded.battery = parseInt(run_time_bit.slice(-21,-14),2); decoded.working = parseInt(run_time_bit.slice(-10),2); }else if(input.bytes[0] == 242){ decoded.type = input.bytes[0]; decoded.paws = parseInt(data.substr(70,8),16); let run_time_bit = parseInt(data.substr(40,8),16).toString(2); decoded.battery = parseInt(run_time_bit.slice(-21,-14),2); decoded.working = parseInt(run_time_bit.slice(-10),2); } return { data: { bytes: decoded }, warnings: [], errors: [] }; } function Bytes2HexString(arrBytes) { var str = ""; for (var i = 0; i < arrBytes.length; i++) { var tmp; var num=arrBytes[i]; if (num < 0) { tmp =(255+num+1).toString(16); } else { tmp = num.toString(16); } if (tmp.length == 1) { tmp = "0" + tmp; } str += tmp; } return str; }