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  • For Zigbee support, Device Service requires a separate runtime program that implements an abstraction library called zhal. Currently Barton provides a program called ZigbeeCore which implements zhal for Silicon Labs efr32 devices
  • If Device Service is built with Zigbee support there should be an implementation of ZHAL, which is the Zigbee Hardware Abstraction Layer. The intent of ZHAL is to enable portability to different Zigbee stack and silicon vendors
    • Fimware Management
      • when a new firmware image is available for a device, the Device Descriptor List (aka whitelist/allowlist) is updated with the new firmware version number and filename
      • When this updated list is published and provided to Barton it is scanned for descriptors matching paired devices
      • If a paired device needs an upgrade its file is downloaded from the content server.