11October2016TechnicalOverview

ProblemandContext

Firstreleaseofasuccessfulconnectedproduct…

….nowmakethatrepeatableplease.

•  Opensourcenetworkingstacks:BluetoothHostandController

•  Pre-empGve,GcklessRTOSwithpowermanagement

•  SecurebootloaderandImageUpgrade

•  FlashFSandAccessMechanisms

•  Build&PackageManagement

•  ManagementInterfacesSecureBootloader&FFS

OS HAL

Stats&Logging

Console&Shell

Config&Upgrade

Networking

Drivers

AnOpenSourceOSforMCUs

Power

Security

IPProviders

MCUVendors

CloudProviders

End-Users

•  Liberal,BSD-stylelicense•  StrongLicensingandIPpolicies•  Meritocracy•  Freetocontribute,contributors

controlprojectdirecGon.•  Historyofworkingwithlarge

organizaGons:IBM,Pivotal/EMC,MicrosoY.

•  Manyyearsexperiencemanaginglarge,complexprojects(e.g.,Apache,Hadoop,Subversion)

WhyApacheSo<wareFounda?on?

ACommunityDrivenOS

Communitydrivenopensourcebestwaytomaintainhealthyecosystem

•  TicklessoperaGon:lowpowerhooks

•  DriverInterface

•  Pre-empGve,mulGtaskingRTOS•  Strictpriority-basedscheduling•  Upto253differentprioritylevels

•  Unifiedbuffermanagement•  ResourceuGlizaGontrackingandwatchdog

•  High-resoluGonGmers

•  Built-intasks:•  Idle

RTOS

•  EventQueuesprovideamechanismfor“mostly-sleeping”asynchronoustasks

•  Wake-upon:•  MessagefromanotherTask•  Timer•  I/Ostatechange•  Incomingpacket•  Watchdog

•  PerformoperaGons:•  Sendanalert•  Respondtoarequest•  Scheduleawakeup

•  Gobacktosleep

RTOS-EventDrivenModel

BLE4.2 Wi-Fi

ApacheMynewtConnecGvityLayer(RunGme’sView)

Bluetooth5 LPWA 3GPP

HCI IPv4 IPv6+Thread IPv6

TCP UDPL2CAP

TLSorDTLS

CoAP,MQTT,HTTP

GATT

OIC1.1

Management AppApp

1.0–FirstbetaendofOctober!

Standards-basedIoTcommunicaGon

Highlights:ApacheMynewtNetworking

•  NordicnRF51andnRF52support•  SimultaneousCentralandPeripheral

modes•  Supportsupto32connecGons

•  Combined(host+controller),host-onlyandcontroller-onlymode

•  CompaGblewithBlueZ•  40%lesscodeversuslicensedbinaries

inperipheral-onlymode

Bluetooth4.2

Wi-Fi

•  AbstractedinterfacetoWi-Fisupplicants,andsocketlayer

•  LWIPintegratedtoprovidenaGve-IPsupport.

•  SupportforWINC1500...moresoon!

Highlights:ChallengesManagingConnectedProducts

•  Well-defineddriversandHALinterfaces•  Buildandpackagemanagementsystem

opGmizedtounderstandBSPandlinkopGons

Cross-plamormSupport

SoYwareUpgrade

•  Buildtoolcreatessignedimages•  ImagedownloadoverSerial,BLEandWi-Fi•  BootloaderverifiesSHA-256/RSA/ECC-DSA

signature

Debugging

PowerMgmt

•  ConsistentloggingandstaGsGcsinfrastructure•  Coredumps•  Kernel-levelsupport:sanity,stackguards,

memorytracking

•  Hardsleepandwakeupsupport(lowRAMstates)

•  Tickless‘idle’anddriversuspend•  Networkingstacksleepmanagement

Build,Package,andProjectManagement:newttool

•  ComposableSystem•  Open-sourceprojectcollaboraGon•  Maintainingprivatecodetrees•  Enforcedsourcecodelayout

•  Build•  ConfiguraGon•  MulGpletargets•  Sourcecodelayout

•  3rdpartySDKs

•  PackageManagement

•  Versioningandstability

•  InstallandUpgrade•  Unifiedmethodfor#includes

and#defines•  DependenciesandAPIs

•  GoSmallorGoBIG•  VCSVersioning•  VersioningScheme(major,

minor,rev)•  Trackingbranches

•  SystemconfiguraGon(alaDeviceTree)

•  Toolchains•  Targetmanagement•  SDKcompilaGonrules

BuildandPackageManagement:newttool(conGnued)

•  ArGfacts•  Debuggermaintenance•  GeneraGonofflashimages,

upgradableimages

•  IntrospecGon•  Size•  Packages•  Versions

•  EnforcedHierarchy•  HW:MCU,BSP•  APP

•  SystemDefiniGon•  Splitimagesforupgrade•  RAMlocaGons•  Flash

•  bin/directory,withobjectfiles•  MulGpletargetsstoredsimultaneously•  CompilerdefiniGons,mapfiles

•  Displaydependencies•  SearchforfuncGonality•  Versionsinstalled–trackingbranches

•  BSP+App=BUILD•  BSP->MCUdefiniGon

•  LinkersecGonsdefinedbysystem•  Tie-inwithflashlayout

Highlight:ApacheMynewtSecurity

Provisioning

Upgrade

CommunicaGons

DataandTamper

•  UniquedeviceidenGficaGon•  CerGficateManagement•  PreventcounterfeiGng

•  Signedfirmwareimages(newttool)•  Securebootloader

•  LeverageeitherBLEorDTLSsecurity•  RBACforcommandsbasedupon

idenGty

•  Encryptedflashstorage•  TPM/SmartCardaware•  Supporthardwarekeyaccess

Designedforsecurityfromtheground-up

HardwarePlamormSupport

•  Hostprocessor,popularforBLE+Wi-Fi•  OffloadprocessorforDSPprocessing•  Extensive,qualityperipheralsupport•  L*seriesprovidesreducedpowerconsumpGon

STMicroSTM32F/L34

•  Suitableforsingle-chip/hostBLEdesigns•  Controller-onlyoperaGonwithhostprocessor•  Cost-effecGvenRF51,powerfulnRF52

NordicSemiconductornRF51/52

•  ExtensivelowpowermodesandoperaGon•  Richsetofperipherals•  Community-supported:ArduinoZeroseries

AtmelSAMD/L21

Crossplamormsupportprovidesflexibilityandpriceleverage

MoreComingSoon

!

•  Moreboards(!)andprocessors(!)•  PIC32MZ(MIPS-underway),NXPFRDM-K64,NXPKW41Z,STM32L4

•  Wireless•  Bluetooth5andBluetoothMesh•  LPWA•  ImprovedWi-Fi

•  Wired:Ethernet•  SensorAPIsandSensorManagement

•  YouDecide!

What’sNext?

THANKYOU

•  MoreinformaGon:hyp://mynewt.apache.org/

•  Jointhedevelopment,subscribetodev@list.

•  Contributorswelcome!