1/*
2 * This file is part of the MicroPython project, http://micropython.org/
3 *
4 * The MIT License (MIT)
5 *
6 * Copyright (c) 2020 Jim Mussared
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 */
26
27#include "py/runtime.h"
28#include "py/mperrno.h"
29#include "py/mphal.h"
30
31#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
32
33#include "nimble/nimble_npl.h"
34
35#include "extmod/nimble/modbluetooth_nimble.h"
36#include "extmod/nimble/hal/hal_uart.h"
37
38#define DEBUG_printf(...) // printf(__VA_ARGS__)
39
40// Called by the UART polling thread in mpbthciport.c.
41bool mp_bluetooth_hci_poll(void) {
42 // DEBUG_printf("mp_bluetooth_hci_poll (unix nimble) %d\n", mp_bluetooth_nimble_ble_state);
43
44 if (mp_bluetooth_nimble_ble_state == MP_BLUETOOTH_NIMBLE_BLE_STATE_OFF) {
45 DEBUG_printf("mp_bluetooth_hci_poll (unix nimble) -- shutdown\n");
46 return false;
47 }
48
49 if (mp_bluetooth_nimble_ble_state >= MP_BLUETOOTH_NIMBLE_BLE_STATE_WAITING_FOR_SYNC) {
50 // Run any timers.
51 mp_bluetooth_nimble_os_callout_process();
52
53 // Process incoming UART data, and run events as they are generated.
54 mp_bluetooth_nimble_hci_uart_process(true);
55
56 // Run any remaining events (e.g. if there was no UART data).
57 mp_bluetooth_nimble_os_eventq_run_all();
58 }
59
60 return true;
61}
62
63bool mp_bluetooth_hci_active(void) {
64 return mp_bluetooth_nimble_ble_state != MP_BLUETOOTH_NIMBLE_BLE_STATE_OFF;
65}
66
67// Extra port-specific helpers.
68void mp_bluetooth_nimble_hci_uart_wfi(void) {
69 // This is called while NimBLE is waiting in ble_npl_sem_pend, i.e. waiting for an HCI ACK.
70 // Do not need to run events here, only processing incoming HCI data.
71 mp_bluetooth_nimble_hci_uart_process(false);
72}
73
74#endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
75