export function hrcodec(data:DataView) { return { hr:data.getInt8(1), timestamp: Date.now() }; } //this is a generic bluetooth gatt export const heartRateBLESettings = { deviceType:'BLE', deviceName:'heartrate', services:{ 'heart_rate': { 'heart_rate_measurement':{ notify:true, notifyCallback:undefined, codec:hrcodec } } } }