HCI support for external Bluetooth Classic chipset

Hi,

We are considering hooking up an external chip with a Bluetooth standard HCI interface to do Bluetooth classic using Hands Free protocol and Serial Profile protocol.

I know the nRF5340 uses HCI with the HCI_RPMSG project - Since you already have some kind of HCI support - is what we want to do easy, or is there a big difference between how that's used to communicate BT 5 / low energy stuff VS the old school Classic stuff?

Apologies if my question isn't worded well, I'm pretty new to HCI.

Thanks!

Glen

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