55 lines
2.3 KiB
C
55 lines
2.3 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) 2019-2020 Scott Shawcroft for Adafruit Industries
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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_PACKETBUFFER_H
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#define MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_PACKETBUFFER_H
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#include "py/ringbuf.h"
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#include "shared-bindings/_bleio/Characteristic.h"
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typedef struct {
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mp_obj_base_t base;
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bleio_characteristic_obj_t *characteristic;
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// Ring buffer storing consecutive incoming values.
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ringbuf_t ringbuf;
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// Two outgoing buffers to alternate between. One will be queued for transmission by the SD and
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// the other is waiting to be queued and can be extended.
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uint8_t *outgoing[2];
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volatile uint16_t pending_size;
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// We remember the conn_handle so we can do a NOTIFY/INDICATE to a client.
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// We can find out the conn_handle on a Characteristic write or a CCCD write (but not a read).
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volatile uint16_t conn_handle;
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uint16_t max_packet_size;
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uint8_t pending_index;
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uint8_t write_type;
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bool client;
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bool packet_queued;
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} bleio_packet_buffer_obj_t;
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void bleio_packet_buffer_update(bleio_packet_buffer_obj_t *self, mp_buffer_info_t *bufinfo);
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#endif // MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_PACKETBUFFER_H
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