82fb761c0f
PacketBuffer facilitates packet oriented BLE protocols such as BLE MIDI and the Apple Media Service. This also adds PHY, MTU and connection event extension negotiation to speed up data transfer when possible.
84 lines
3.2 KiB
C
84 lines
3.2 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 Dan Halbert for Adafruit Industries
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* Copyright (c) 2018 Artur Pacholec
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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_NRF_COMMON_HAL_BLEIO_CONNECTION_H
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#define MICROPY_INCLUDED_NRF_COMMON_HAL_BLEIO_CONNECTION_H
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#include <stdbool.h>
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#include "ble.h"
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#include "py/obj.h"
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#include "py/objlist.h"
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#include "common-hal/_bleio/__init__.h"
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#include "shared-module/_bleio/Address.h"
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#include "common-hal/_bleio/Service.h"
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typedef enum {
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PAIR_NOT_PAIRED,
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PAIR_WAITING,
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PAIR_PAIRED,
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} pair_status_t;
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// We split the Connection object into two so that the internal mechanics can live outside of the
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// VM. If it were one object, then we'd risk user code seeing a connection object of theirs be
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// reused.
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typedef struct {
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uint16_t conn_handle;
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bool is_central;
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// Remote services discovered when this peripheral is acting as a client.
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bleio_service_obj_t *remote_service_list;
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// The advertising data and scan response buffers are held by us, not by the SD, so we must
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// maintain them and not change it. If we need to change the contents during advertising,
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// there are tricks to get the SD to notice (see DevZone - TBS).
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// EDIV: Encrypted Diversifier: Identifies LTK during legacy pairing.
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bonding_keys_t bonding_keys;
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uint16_t ediv;
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pair_status_t pair_status;
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uint8_t sec_status; // Internal security status.
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mp_obj_t connection_obj;
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ble_drv_evt_handler_entry_t handler_entry;
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ble_gap_conn_params_t conn_params;
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volatile bool conn_params_updating;
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uint16_t mtu;
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} bleio_connection_internal_t;
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typedef struct {
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mp_obj_base_t base;
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bleio_connection_internal_t* connection;
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// The HCI disconnect reason.
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uint8_t disconnect_reason;
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} bleio_connection_obj_t;
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bool connection_on_ble_evt(ble_evt_t *ble_evt, void *self_in);
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uint16_t bleio_connection_get_conn_handle(bleio_connection_obj_t *self);
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mp_obj_t bleio_connection_new_from_internal(bleio_connection_internal_t* connection);
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#endif // MICROPY_INCLUDED_NRF_COMMON_HAL_BLEIO_CONNECTION_H
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