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pxt-calliope/docs/device/bluetooth/hf2.md
Peli de Halleux 7bc7d2f2ff
only notify needed (#1562) 
* only notify needed

* added docs
2018-10-30 19:57:01 -07:00

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Bluetooth HF2

The Bluetooth HF2 service implements a subset of HF2, namely the serial message logging.

Service

HF2 service

  • UUID: b112f5e6-2679-30da-a26e-0273b6043849

TX Characteristic

  • Optional
  • UUDI: b112f5e6-2679-30da-a26e-0273b604384a
  • NOTIFY only

This characteristic mostly emits HF2 serial messages. The first byte contains the type of message and length in the lower 6 bits. The message contains up to 19 bytes.

This service is supported by the MakeCode editor to receive messages.