69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2014 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#pragma once
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#ifdef HAS_BDROID_BUILDCFG
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#include "bdroid_buildcfg.h"
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#endif
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#ifndef REMOVE_EAGER_THREADS
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#define REMOVE_EAGER_THREADS TRUE
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#endif
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#if (defined(REMOVE_EAGER_THREADS) && (REMOVE_EAGER_THREADS == TRUE))
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#include "osi/include/allocator.h"
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#include "osi/include/thread.h"
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#include "osi/include/reactor.h"
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#endif
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// 2 bytes for opcode, 1 byte for parameter length (Volume 2, Part E, 5.4.1)
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#define HCI_COMMAND_PREAMBLE_SIZE 3
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// 2 bytes for handle, 2 bytes for data length (Volume 2, Part E, 5.4.2)
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#define HCI_ACL_PREAMBLE_SIZE 4
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// 2 bytes for handle, 1 byte for data length (Volume 2, Part E, 5.4.3)
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#define HCI_SCO_PREAMBLE_SIZE 3
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// 1 byte for event code, 1 byte for parameter length (Volume 2, Part E, 5.4.4)
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#define HCI_EVENT_PREAMBLE_SIZE 2
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#if (defined(REMOVE_EAGER_THREADS) && (REMOVE_EAGER_THREADS == TRUE))
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struct hci_reader_t {
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int inbound_fd;
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const allocator_t *allocator;
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size_t buffer_size;
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uint8_t *data_buffer;
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int rd_ptr;
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int wr_ptr;
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thread_t *inbound_read_thread;
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reactor_object_t *inbound_read_object;
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};
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typedef struct hci_reader_t hci_reader_t;
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typedef void (*hci_reader_cb)(void *context);
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hci_reader_t *hci_reader_new(
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int fd_to_read,
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size_t buffer_size,
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size_t max_buffer_count,
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thread_t *thread,
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hci_reader_cb read_cb
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);
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size_t hci_reader_read(hci_reader_t *reader, uint8_t *buffer, size_t max_size);
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void hci_reader_free(hci_reader_t *reader);
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#endif
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