138 lines
4.8 KiB
C++
138 lines
4.8 KiB
C++
/*
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* Copyright 2021 The Android Open Source Project
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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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#pragma once
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#ifdef __cplusplus
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#include <cstdint>
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#else
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#include <stdint.h>
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#endif // __cplusplus
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#define DEV_CLASS_LEN 3
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typedef uint8_t DEV_CLASS[DEV_CLASS_LEN]; /* Device class */
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#ifdef __cplusplus
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inline constexpr DEV_CLASS kDevClassEmpty = {};
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#endif // __cplusplus
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/* 0x00 is used as unclassified for all minor device classes */
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#define BTM_COD_MINOR_UNCLASSIFIED 0x00
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#define BTM_COD_MINOR_WEARABLE_HEADSET 0x04
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#define BTM_COD_MINOR_CONFM_HANDSFREE 0x08
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#define BTM_COD_MINOR_CAR_AUDIO 0x20
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#define BTM_COD_MINOR_SET_TOP_BOX 0x24
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/* minor device class field for Peripheral Major Class */
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/* Bits 6-7 independently specify mouse, keyboard, or combo mouse/keyboard */
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#define BTM_COD_MINOR_KEYBOARD 0x40
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#define BTM_COD_MINOR_POINTING 0x80
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/* Bits 2-5 OR'd with selection from bits 6-7 */
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/* #define BTM_COD_MINOR_UNCLASSIFIED 0x00 */
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#define BTM_COD_MINOR_JOYSTICK 0x04
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#define BTM_COD_MINOR_GAMEPAD 0x08
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#define BTM_COD_MINOR_REMOTE_CONTROL 0x0C
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#define BTM_COD_MINOR_DIGITIZING_TABLET 0x14
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#define BTM_COD_MINOR_CARD_READER 0x18 /* e.g. SIM card reader */
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#define BTM_COD_MINOR_DIGITAL_PAN 0x1C
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/* minor device class field for Imaging Major Class */
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/* Bits 5-7 independently specify display, camera, scanner, or printer */
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#define BTM_COD_MINOR_DISPLAY 0x10
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/* Bits 2-3 Reserved */
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/* #define BTM_COD_MINOR_UNCLASSIFIED 0x00 */
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/* minor device class field for Wearable Major Class */
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/* Bits 2-7 meaningful */
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#define BTM_COD_MINOR_WRIST_WATCH 0x04
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#define BTM_COD_MINOR_GLASSES 0x14
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/* minor device class field for Health Major Class */
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/* Bits 2-7 meaningful */
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#define BTM_COD_MINOR_BLOOD_MONITOR 0x04
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#define BTM_COD_MINOR_THERMOMETER 0x08
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#define BTM_COD_MINOR_WEIGHING_SCALE 0x0C
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#define BTM_COD_MINOR_GLUCOSE_METER 0x10
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#define BTM_COD_MINOR_PULSE_OXIMETER 0x14
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#define BTM_COD_MINOR_HEART_PULSE_MONITOR 0x18
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#define BTM_COD_MINOR_STEP_COUNTER 0x20
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/***************************
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* major device class field
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***************************/
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#define BTM_COD_MAJOR_COMPUTER 0x01
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#define BTM_COD_MAJOR_PHONE 0x02
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#define BTM_COD_MAJOR_AUDIO 0x04
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#define BTM_COD_MAJOR_PERIPHERAL 0x05
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#define BTM_COD_MAJOR_IMAGING 0x06
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#define BTM_COD_MAJOR_WEARABLE 0x07
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#define BTM_COD_MAJOR_HEALTH 0x09
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#define BTM_COD_MAJOR_UNCLASSIFIED 0x1F
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/***************************
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* service class fields
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***************************/
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#define BTM_COD_SERVICE_LMTD_DISCOVER 0x0020
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#define BTM_COD_SERVICE_LE_AUDIO 0x0040
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#define BTM_COD_SERVICE_POSITIONING 0x0100
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#define BTM_COD_SERVICE_NETWORKING 0x0200
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#define BTM_COD_SERVICE_RENDERING 0x0400
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#define BTM_COD_SERVICE_CAPTURING 0x0800
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#define BTM_COD_SERVICE_OBJ_TRANSFER 0x1000
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#define BTM_COD_SERVICE_AUDIO 0x2000
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#define BTM_COD_SERVICE_TELEPHONY 0x4000
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#define BTM_COD_SERVICE_INFORMATION 0x8000
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/* class of device field macros */
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#define BTM_COD_MINOR_CLASS(u8, pd) \
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{ (u8) = (pd)[2] & 0xFC; }
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#define BTM_COD_MAJOR_CLASS(u8, pd) \
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{ (u8) = (pd)[1] & 0x1F; }
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#define BTM_COD_SERVICE_CLASS(u16, pd) \
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{ \
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(u16) = (pd)[0]; \
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(u16) <<= 8; \
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(u16) += (pd)[1] & 0xE0; \
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}
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/* to set the fields (assumes that format type is always 0) */
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#define FIELDS_TO_COD(pd, mn, mj, sv) \
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{ \
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(pd)[2] = mn; \
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(pd)[1] = (mj) + ((sv)&BTM_COD_SERVICE_CLASS_LO_B); \
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(pd)[0] = (sv) >> 8; \
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}
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/* the COD masks */
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#define BTM_COD_MINOR_CLASS_MASK 0xFC
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#define BTM_COD_MAJOR_CLASS_MASK 0x1F
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#define BTM_COD_SERVICE_CLASS_LO_B 0x00E0
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#define BTM_COD_SERVICE_CLASS_MASK 0xFFE0
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#define DEVCLASS_TO_STREAM(p, a) \
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{ \
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int ijk; \
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for (ijk = 0; ijk < DEV_CLASS_LEN; ijk++) \
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*(p)++ = (uint8_t)(a)[DEV_CLASS_LEN - 1 - ijk]; \
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}
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#define STREAM_TO_DEVCLASS(a, p) \
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{ \
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int ijk; \
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uint8_t* _pa = (uint8_t*)(a) + DEV_CLASS_LEN - 1; \
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for (ijk = 0; ijk < DEV_CLASS_LEN; ijk++) *_pa-- = *(p)++; \
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}
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