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ed14435a8e
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.
72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Jim Mussared
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* Copyright (c) 2020 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/runtime.h"
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#include "py/mperrno.h"
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#include "py/mphal.h"
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#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
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#include "host/ble_hs.h"
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#include "nimble/nimble_npl.h"
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#include "extmod/mpbthci.h"
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#include "extmod/nimble/modbluetooth_nimble.h"
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#include "extmod/nimble/hal/hal_uart.h"
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// This implements the Nimble "background task". It's called at PENDSV
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// priority, either every 128ms or whenever there's UART data available.
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// Because it's called via PENDSV, you can implicitly consider that it
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// is surrounded by MICROPY_PY_BLUETOOTH_ENTER / MICROPY_PY_BLUETOOTH_EXIT.
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void mp_bluetooth_hci_poll(void) {
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if (mp_bluetooth_nimble_ble_state >= MP_BLUETOOTH_NIMBLE_BLE_STATE_WAITING_FOR_SYNC) {
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// Ask NimBLE to process UART data.
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mp_bluetooth_nimble_hci_uart_process();
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// Run pending background operations and events, but only after HCI sync.
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mp_bluetooth_nimble_os_callout_process();
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mp_bluetooth_nimble_os_eventq_run_all();
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}
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}
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// --- Port-specific helpers for the generic NimBLE bindings. -----------------
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void mp_bluetooth_nimble_hci_uart_wfi(void) {
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__WFI();
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}
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uint32_t mp_bluetooth_nimble_hci_uart_enter_critical(void) {
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MICROPY_PY_BLUETOOTH_ENTER
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return atomic_state;
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}
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void mp_bluetooth_nimble_hci_uart_exit_critical(uint32_t atomic_state) {
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MICROPY_PY_BLUETOOTH_EXIT
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}
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#endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
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