91 lines
3.6 KiB
C
91 lines
3.6 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_BLE_HCI_COMMON_HAL_CONNECTION_H
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#define MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_CONNECTION_H
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#include <stdbool.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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mp_obj_list_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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bonding_keys_t bonding_keys;
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// EDIV: Encrypted Diversifier: Identifies LTK during legacy pairing.
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uint16_t ediv;
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volatile 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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// REMOVE 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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// Request that CCCD values for this connection be saved, using sys_attr values.
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volatile bool do_bond_cccds;
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// Request that security key info for this connection be saved.
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volatile bool do_bond_keys;
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// Time of setting do_bond_ccds: we delay a bit to consolidate multiple CCCD changes
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// into one write. Time is currently in ticks_ms.
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uint64_t do_bond_cccds_request_time;
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// FIX from att.c
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uint8_t role;
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bt_addr_le_t addr;
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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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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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bleio_connection_internal_t *bleio_conn_handle_to_connection(uint16_t conn_handle);
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void bleio_connection_clear(bleio_connection_internal_t *self);
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#endif // MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_CONNECTION_H
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