TTN Smart Sensor (Truvami)

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 function decodeUplink(input) { const bytes = input.bytes; const result = {}; switch (input.fPort) { case 151: if(bytes[0] == 0x4c) { let n_commands = bytes[2]; let index = 3; for(let i=0;i> 1 == 1 ? true : false; result.wifi_enabled = (data & 0x04) >> 2 == 1 ? true : false; result.acceleration_enabled = (data & 0x08) >> 3 == 1 ? true : false; } else if(tag == 0x41 && size == 4) { result.tracking_interval_moving = data[0] << 8 | data[1]; result.tracking_interval_steady = data[2] << 8 | data[3]; } else if(tag == 0x42 && size == 4) { result.acceleration_sensitivity = data[0] << 8 | data[1]; result.acceleration_delay = data[2] << 8 | data[3]; } else if(tag == 0x43 && size == 1) { result.heartbeat_interval = data[0]; } else if(tag == 0x44 && size == 1) { result.advertisment_interval = data[0]; } else if(tag == 0x45 && size == 2) { let batteryVoltage = data[0] << 8 | data[1]; result.battery = batteryVoltage / 1000; } else if(tag == 0x46 && size == 4) { result.hash = toHexString(data); } else if(tag == 0x49 && size == 2) { result.reset_count = data[0] << 8 | data[1]; } else if(tag == 0x4A && size == 4) { result.reset_cause = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3]; } else if(tag == 0x4B && size == 4) { result.gnss_scan_count = data[0] << 8 | data[1]; result.wifi_scan_count = data[2] << 8 | data[3]; } else if(tag == 0x80 && size == 2) { result.alarm_duration = data[0]; result.alarm_period = data[1]; } } } return { // Decoded data data: result }; case 192: case 197: return { data: {} //In case of GNSS and WiFi uplink the payload has to be decoded by LoRaCloud. }; default: return { errors: ['unknown FPort'], }; } } function toHexString(byteArray) { var s = ''; byteArray.forEach(function(byte) { s += ('0' + (byte & 0xFF).toString(16)).slice(-2); }); return s; } function decodeInputHexString(byteArray) { var length = byteArray.length; var hexArray = []; for (var i = 0, j = 0; i < length; i += 2, j++) { hexArray[j] = byteArray[i] + byteArray[i + 1]; hexArray[j] = parseInt(hexArray[j], 16) } return hexArray; }