94 lines
3.5 KiB
C
94 lines
3.5 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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*
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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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#ifndef MICROPY_INCLUDED_EXTMOD_NIMBLE_MODBLUETOOTH_NIMBLE_H
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#define MICROPY_INCLUDED_EXTMOD_NIMBLE_MODBLUETOOTH_NIMBLE_H
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#include "extmod/modbluetooth.h"
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#define MP_BLUETOOTH_NIMBLE_MAX_SERVICES (8)
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typedef struct _mp_bluetooth_nimble_pending_characteristic_t {
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uint16_t value_handle;
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uint8_t properties;
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mp_obj_bluetooth_uuid_t uuid;
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uint8_t ready;
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} mp_bluetooth_nimble_pending_characteristic_t;
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typedef struct _mp_bluetooth_nimble_root_pointers_t {
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// Characteristic (and descriptor) value storage.
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mp_gatts_db_t gatts_db;
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// Pending service definitions.
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size_t n_services;
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struct ble_gatt_svc_def *services[MP_BLUETOOTH_NIMBLE_MAX_SERVICES];
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#if MICROPY_PY_BLUETOOTH_ENABLE_L2CAP_CHANNELS
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// L2CAP channels.
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struct _mp_bluetooth_nimble_l2cap_channel_t *l2cap_chan;
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bool l2cap_listening;
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#endif
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#if MICROPY_PY_BLUETOOTH_ENABLE_GATT_CLIENT
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// Workaround to allow us to get the end_handle of each characteristic
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// during discovery. See mp_bluetooth_gattc_discover_characteristics().
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uint16_t char_disc_end_handle;
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const mp_obj_bluetooth_uuid_t *char_filter_uuid;
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mp_bluetooth_nimble_pending_characteristic_t pending_char_result;
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#endif
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} mp_bluetooth_nimble_root_pointers_t;
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enum {
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MP_BLUETOOTH_NIMBLE_BLE_STATE_OFF,
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MP_BLUETOOTH_NIMBLE_BLE_STATE_STARTING,
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MP_BLUETOOTH_NIMBLE_BLE_STATE_WAITING_FOR_SYNC,
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MP_BLUETOOTH_NIMBLE_BLE_STATE_ACTIVE,
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MP_BLUETOOTH_NIMBLE_BLE_STATE_STOPPING,
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};
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extern volatile int mp_bluetooth_nimble_ble_state;
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// --- Optionally provided by the MicroPython port. ---------------------------
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// (default implementations provided by modbluetooth_nimble.c)
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// Tell the port to init the UART and start the HCI controller.
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void mp_bluetooth_nimble_port_hci_init(void);
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// Tell the port to deinit the UART and shutdown the HCI controller.
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void mp_bluetooth_nimble_port_hci_deinit(void);
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// Tell the port to run its background task (i.e. poll the UART and pump events).
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void mp_bluetooth_nimble_port_start(void);
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// Tell the port to stop its background task.
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void mp_bluetooth_nimble_port_shutdown(void);
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// --- Called by the HCI UART layer to let us know when packets have been sent.
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void mp_bluetooth_nimble_sent_hci_packet(void);
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#endif // MICROPY_INCLUDED_EXTMOD_NIMBLE_MODBLUETOOTH_NIMBLE_H
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