kopia lustrzana https://github.com/micropython/micropython
85 wiersze
3.1 KiB
C
85 wiersze
3.1 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) 2020 Jim Mussared
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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 "nimble/nimble_npl.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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#define DEBUG_printf(...) // printf(__VA_ARGS__)
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// Called by the UART polling thread in mpbthciport.c.
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bool mp_bluetooth_hci_poll(void) {
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// DEBUG_printf("mp_bluetooth_hci_poll (unix nimble) %d\n", mp_bluetooth_nimble_ble_state);
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if (mp_bluetooth_nimble_ble_state == MP_BLUETOOTH_NIMBLE_BLE_STATE_OFF) {
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DEBUG_printf("mp_bluetooth_hci_poll (unix nimble) -- shutdown\n");
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return false;
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}
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if (mp_bluetooth_nimble_ble_state >= MP_BLUETOOTH_NIMBLE_BLE_STATE_WAITING_FOR_SYNC) {
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// Pretend like we're running in IRQ context (i.e. other things can't be running at the same time).
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mp_uint_t atomic_state = MICROPY_BEGIN_ATOMIC_SECTION();
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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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MICROPY_END_ATOMIC_SECTION(atomic_state);
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}
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return true;
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}
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// Extra port-specific helpers.
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void mp_bluetooth_nimble_hci_uart_wfi(void) {
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// DEBUG_printf("mp_bluetooth_nimble_hci_uart_wfi\n");
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// TODO: this should do a select() on the uart_fd.
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}
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uint32_t mp_bluetooth_nimble_hci_uart_enter_critical(void) {
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// DEBUG_printf("mp_bluetooth_nimble_hci_uart_enter_critical\n");
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MICROPY_PY_BLUETOOTH_ENTER
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return atomic_state; // Always 0xffffffff
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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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// DEBUG_printf("mp_bluetooth_nimble_hci_uart_exit_critical\n");
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}
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#endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
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