ae30a1e5aa
This PR refines the _bleio API. It was originally motivated by the addition of a new CircuitPython service that enables reading and modifying files on the device. Moving the BLE lifecycle outside of the VM motivated a number of changes to remove heap allocations in some APIs. It also motivated unifying connection initiation to the Adapter class rather than the Central and Peripheral classes which have been removed. Adapter now handles the GAP portion of BLE including advertising, which has moved but is largely unchanged, and scanning, which has been enhanced to return an iterator of filtered results. Once a connection is created (either by us (aka Central) or a remote device (aka Peripheral)) it is represented by a new Connection class. This class knows the current connection state and can discover and instantiate remote Services along with their Characteristics and Descriptors. Relates to #586
54 lines
2.1 KiB
C
54 lines
2.1 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) 2018 Dan Halbert for Adafruit Industries
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* Copyright (c) 2018 Artur Pacholec
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* Copyright (c) 2016 Glenn Ruben Bakke
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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_DESCRIPTOR_H
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#define MICROPY_INCLUDED_NRF_COMMON_HAL_BLEIO_DESCRIPTOR_H
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#include "py/obj.h"
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#include "common-hal/_bleio/UUID.h"
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// Forward declare characteristic because it includes a Descriptor.
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struct _bleio_characteristic_obj;
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typedef struct _bleio_descriptor_obj {
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mp_obj_base_t base;
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// Will be MP_OBJ_NULL before being assigned to a Characteristic.
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struct _bleio_characteristic_obj *characteristic;
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bleio_uuid_obj_t *uuid;
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mp_obj_t value;
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uint16_t max_length;
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bool fixed_length;
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uint16_t handle;
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bleio_attribute_security_mode_t read_perm;
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bleio_attribute_security_mode_t write_perm;
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struct _bleio_descriptor_obj* next;
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} bleio_descriptor_obj_t;
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#endif // MICROPY_INCLUDED_NRF_COMMON_HAL_BLEIO_DESCRIPTOR_H
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