BLK-MD-HC-05_AT指令集

博陆科电子BLK-MD-HC-05蓝牙模块AT指令集

001011 VCR 0 0 1 1 0 1 Camcorder 0 0 1 1 1 0 Video Monitor

0 0 1 1 1 1 Video Display and Loudspeaker 0 1 0 0 0 0 Video Conferencing 0 1 0 0 0 1 (Reserved)

0 1 0 0 1 0 Gaming/Toy [Ref #4] X X X X X X All other values reserved

[Ret #4: Only to be used with a Gaming/Toy device that makes audio/video capabilities available via Bluetooth]

TABLE 1.8: SUB DEVICES FOR THE ’AUDIO/VIOEO’MAJOR CLASS 8. MINOR DEVICE CLASS FIELD – PERIPHERAL MAJOR CLASS Minor Device Class 7 6 bit no of CoD 0 1 Keyboard 1 0 Pointing device

1 1 Combo keyboard /pointing device X X X All other values reserved

TABLE1.9: THE PERIPHERAL MAJOR CLASS KEYBOARD/POINTING DEVICE FIELD Bits 6 and 7 independantly specify mouse, keyboard or combo mouse/keyboard devices. These may be combined with the lower bits in a multifunctional decice. Minor Device Class 5 4 3 2 bit no of CoD 0 0 0 0 Uncategorized device 0 0 0 1 Gamepd 0 0 1 1 Remote control 0 1 0 0 Sensing device 0 1 0 1 Digitizer tablet

X X X X All other values reserved

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博陆科电子BLK-MD-HC-05蓝牙模块AT指令集

TABLE1.10: RESERVED SUB-FIELD FOR THE DEVICE TYPE 9. MINOR DEVICE CLASS FIELD – IMAGING MAJOR CLASS Minor Device Class 7 6 5 4 bit no of CoD X X X 1 Display X X 1 X Camera X 1 X X Scanner 1 X X X Printer

X X X X All other values reserved

TABLE 1.11: THE TMAGING MAJOR CLASS BITS 7 TO 7

Bits 4 to 7 independent ly specify bi splay, camera, scanner or printer. These may be combined in a multifunctional device. Minor Device Class 3 2 bit no of CoD 0 0 Uncategorized, default X X All other values reserved

TABLE 1. 12: THE IMAGING MAJOR CLASS BITS 2 AND 3 Bits 2 and 3 are reserved

附录3：查询访问码说明（The Inquiry Access Codes）

The General-and Device-Specific Inquiry Access Codes （DIACs） The Inquiry Access Code is the first level of filtering when finding Bluetooth devices. The main purpose of defining multiple IACs is to limit the number of responses that are received when scanning devices within range. 0. 0x9E8B33 —— General/Unlimited Inquiry Access Code（GIAC） 1. 0x9E8B00 —— Limited Dedicated Inquiry Access Code（LIAC） 2. 0x9E8B01 ～ 0x9E8B32 RESERVED FOR FUTURE USE 3. 0x9E8B34 ～ 0x9E8B3F RESERVED FOR FUTURE USE

The Limited Inquiry Access Code（LIAC）is only intended to be used for limited time periods in scenarios where both sides have been explicitly caused to enter this state,

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博陆科电子BLK-MD-HC-05蓝牙模块AT指令集

usually by user action. For further explanation of the use of the LIAC, please refer to the Generic Access Profile.

In contrast it is allowed to be continuously scanning for the General Inquiry Access Code （GIAC）and respond whenever inquired.__

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