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3 Commits

Author SHA1 Message Date
Jim Mussared
61d1e4b01b extmod/nimble: Make stm32 and unix NimBLE ports use synchronous events. 
This changes stm32 from using PENDSV to run NimBLE to use the MicroPython
scheduler instead.  This allows Python BLE callbacks to be invoked directly
(and therefore synchronously) rather than via the ringbuffer.

The NimBLE UART HCI and event processing now happens in a scheduled task
every 128ms.  When RX IRQ idle events arrive, it will also schedule this
task to improve latency.

There is a similar change for the unix port where the background thread now
queues the scheduled task.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
 2020-11-13 17:19:05 +11:00
Jim Mussared
ed14435a8e extmod/modbluetooth: Refactor stack/hci/driver/port bindings. 
Previously the interaction between the different layers of the Bluetooth
stack was different on each port and each stack.  This commit defines
common interfaces between them and implements them for cyw43, btstack,
nimble, stm32, unix.
 2020-09-08 11:41:31 +10:00
Damien George
894c550c86 stm32: Refactor bluetooth stack/hci/driver bindings. 
This makes a cleaner separation between the: driver, HCI UART and BT stack.
Also updated the naming to be more consistent (mp_bluetooth_hci_*).

Work done in collaboration with Jim Mussared aka @jimmo.
 2020-03-10 01:53:42 +11:00