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 <stddef.h> 23 #include <stdint.h> 24 25 // Provides Class Of Device primitive as specified in the bluetooth spec. 26 // [Class Of Device] 27 // (https://www.bluetooth.org/en-us/specification/assigned-numbers/baseband) 28 29 // Device class may be defined in other structures. 30 // Only use defined methods to manipulate internals. 31 typedef struct bt_device_class_t { 32 uint8_t _[3]; // Do not access directly; use methods below. 33 } bt_device_class_t; 34 35 // Copies the |data| class of device stream into device class |dc|. |dc| 36 // and |data| must not be NULL. 37 void device_class_from_stream(bt_device_class_t* dc, const uint8_t* data); 38 39 // Serializes the device class |dc| to pointer argument |data| in big endian 40 // format. |len| must contain the buffer size of |data|. Returns the actual 41 // number of bytes copied into |data|. |dc| and |data| must not be NULL. 42 int device_class_to_stream(const bt_device_class_t* dc, uint8_t* data, 43 size_t len); 44 45 // Copies the |data| class of device integer into device class |dc|. |dc| 46 // must not be NULL. 47 void device_class_from_int(bt_device_class_t* dc, int data); 48 49 // Returns the device class |dc| in integer format. |dc| must not be NULL. 50 int device_class_to_int(const bt_device_class_t* dc); 51 52 // Compares and returns |true| if two device classes |p1| and |p2| are equal. 53 // False otherwise. 54 bool device_class_equals(const bt_device_class_t* p1, 55 const bt_device_class_t* p2); 56 57 // Copies and returns |true| if the device class was successfully copied from 58 // |p2| into |p1|. False otherwise. 59 bool device_class_copy(bt_device_class_t* dest, const bt_device_class_t* src); 60 61 // Query, getters and setters for the major device class. |dc| must not be 62 // NULL. 63 int device_class_get_major_device(const bt_device_class_t* dc); 64 void device_class_set_major_device(bt_device_class_t* dc, int val); 65 66 // Query, getters and setters for the minor device class. |dc| must not be NULL. 67 int device_class_get_minor_device(const bt_device_class_t* dc); 68 void device_class_set_minor_device(bt_device_class_t* dc, int val); 69 70 // Query, getters and setters for the various major service class features. 71 // |dc| must not be NULL. 72 bool device_class_get_limited(const bt_device_class_t* dc); 73 void device_class_set_limited(bt_device_class_t* dc, bool set); 74 75 bool device_class_get_positioning(const bt_device_class_t* dc); 76 void device_class_set_positioning(bt_device_class_t* dc, bool set); 77 78 bool device_class_get_networking(const bt_device_class_t* dc); 79 void device_class_set_networking(bt_device_class_t* dc, bool set); 80 81 bool device_class_get_rendering(const bt_device_class_t* dc); 82 void device_class_set_rendering(bt_device_class_t* dc, bool set); 83 84 bool device_class_get_capturing(const bt_device_class_t* dc); 85 void device_class_set_capturing(bt_device_class_t* dc, bool set); 86 87 bool device_class_get_object_transfer(const bt_device_class_t* dc); 88 void device_class_set_object_transfer(bt_device_class_t* dc, bool set); 89 90 bool device_class_get_audio(const bt_device_class_t* dc); 91 void device_class_set_audio(bt_device_class_t* dc, bool set); 92 93 bool device_class_get_telephony(const bt_device_class_t* dc); 94 void device_class_set_telephony(bt_device_class_t* dc, bool set); 95 96 bool device_class_get_information(const bt_device_class_t* dc); 97 void device_class_set_information(bt_device_class_t* dc, bool set); 98