1 /****************************************************************************** 2 * 3 * Copyright 2014 Google, Inc. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #pragma once 20 21 #include <stdbool.h> 22 #include <stdint.h> 23 24 // Provides Class Of Device primitive as specified in the bluetooth spec. 25 // [Class Of Device] 26 // (https://www.bluetooth.org/en-us/specification/assigned-numbers/baseband) 27 28 // Device class may be defined in other structures. 29 // Only use defined methods to manipulate internals. 30 typedef struct bt_device_class_t { 31 uint8_t _[3]; // Do not access directly; use methods below. 32 } bt_device_class_t; 33 34 // Copies the |data| class of device stream into device class |dc|. |dc| 35 // and |data| must not be NULL. 36 void device_class_from_stream(bt_device_class_t* dc, const uint8_t* data); 37 38 // Serializes the device class |dc| to pointer argument |data| in big endian 39 // format. |len| must contain the buffer size of |data|. Returns the actual 40 // number of bytes copied into |data|. |dc| and |data| must not be NULL. 41 int device_class_to_stream(const bt_device_class_t* dc, uint8_t* data, 42 size_t len); 43 44 // Copies the |data| class of device integer into device class |dc|. |dc| 45 // must not be NULL. 46 void device_class_from_int(bt_device_class_t* dc, int data); 47 48 // Returns the device class |dc| in integer format. |dc| must not be NULL. 49 int device_class_to_int(const bt_device_class_t* dc); 50 51 // Compares and returns |true| if two device classes |p1| and |p2| are equal. 52 // False otherwise. 53 bool device_class_equals(const bt_device_class_t* p1, 54 const bt_device_class_t* p2); 55 56 // Copies and returns |true| if the device class was successfully copied from 57 // |p2| into |p1|. False otherwise. 58 bool device_class_copy(bt_device_class_t* dest, const bt_device_class_t* src); 59 60 // Query, getters and setters for the major device class. |dc| must not be 61 // NULL. 62 int device_class_get_major_device(const bt_device_class_t* dc); 63 void device_class_set_major_device(bt_device_class_t* dc, int val); 64 65 // Query, getters and setters for the minor device class. |dc| must not be NULL. 66 int device_class_get_minor_device(const bt_device_class_t* dc); 67 void device_class_set_minor_device(bt_device_class_t* dc, int val); 68 69 // Query, getters and setters for the various major service class features. 70 // |dc| must not be NULL. 71 bool device_class_get_limited(const bt_device_class_t* dc); 72 void device_class_set_limited(bt_device_class_t* dc, bool set); 73 74 bool device_class_get_positioning(const bt_device_class_t* dc); 75 void device_class_set_positioning(bt_device_class_t* dc, bool set); 76 77 bool device_class_get_networking(const bt_device_class_t* dc); 78 void device_class_set_networking(bt_device_class_t* dc, bool set); 79 80 bool device_class_get_rendering(const bt_device_class_t* dc); 81 void device_class_set_rendering(bt_device_class_t* dc, bool set); 82 83 bool device_class_get_capturing(const bt_device_class_t* dc); 84 void device_class_set_capturing(bt_device_class_t* dc, bool set); 85 86 bool device_class_get_object_transfer(const bt_device_class_t* dc); 87 void device_class_set_object_transfer(bt_device_class_t* dc, bool set); 88 89 bool device_class_get_audio(const bt_device_class_t* dc); 90 void device_class_set_audio(bt_device_class_t* dc, bool set); 91 92 bool device_class_get_telephony(const bt_device_class_t* dc); 93 void device_class_set_telephony(bt_device_class_t* dc, bool set); 94 95 bool device_class_get_information(const bt_device_class_t* dc); 96 void device_class_set_information(bt_device_class_t* dc, bool set); 97