79 lines
3.0 KiB
C
79 lines
3.0 KiB
C
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/*
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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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#define DEBUG_printf(...) // printf("mpnimbleport.c: " __VA_ARGS__)
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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/modbluetooth.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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#include "mpbthciport.h"
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// Get any pending data from the UART and send it to NimBLE's HCI buffers.
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// Any further processing by NimBLE will be run via its event queue.
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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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// DEBUG_printf("mp_bluetooth_hci_poll_uart %d\n", mp_bluetooth_nimble_ble_state);
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// Run any timers.
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mp_bluetooth_nimble_os_callout_process();
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// Process incoming UART data, and run events as they are generated.
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mp_bluetooth_nimble_hci_uart_process(true);
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// Run any remaining events (e.g. if there was no UART data).
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mp_bluetooth_nimble_os_eventq_run_all();
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}
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if (mp_bluetooth_nimble_ble_state != MP_BLUETOOTH_NIMBLE_BLE_STATE_OFF) {
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// Call this function again in 128ms to check for new events.
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// TODO: improve this by only calling back when needed.
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mp_bluetooth_hci_poll_in_ms(128);
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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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// This is called while NimBLE is waiting in ble_npl_sem_pend, i.e. waiting for an HCI ACK.
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// Do not need to run events here (it must not invoke Python code), only processing incoming HCI data.
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mp_bluetooth_nimble_hci_uart_process(false);
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}
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#endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
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