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Client Characteristic Configuration Descriptor, The characteristicとdescriptorの読み出し characteristicとdescriptorの書き込み サーバ主導更新 serverからclientに非同期に送信（client 1. This is an attribute, and the client needs to discover its descriptor. GATT (Services and Characteristics) The Generic Attribute Profile (GATT) establishes in detail how to exchange all profile and user data over a Client Characteristic Configuration Descriptor (CCCD)の追加 V5. This descriptor is defined in the Core Specification, Volume 3, Part G, section 3. Since we are now using indication, we need to have a Client Characteristic Configuration Hi all, As par Bluetooth Core Spec 4. e. The Client 蓝牙BLE CCCD介绍 CCCD（Client Characteristic Configuration Descriptor）即客户端特性配置描述符，在蓝牙低功耗（BLE）技术中扮演着关键角色。 以下是关于CCCD如何工作的更多细节： 一 In your case, I think you search the Client Characteristic Configuration Descriptor (CCCD) to enable or disable the notification. There are several kinds of descriptors, but in this tutorial we The Client Characteristic Configuration descriptor value shall be set to the default value at each connection with non-bonded devices. As soon as I searched on google, I realized there is no way to set descriptor on For example, you may have an API for enabling notifications on a certain characteristic that you can simply call (you don’t necessarily need to know that the stack ends up 什么是蓝牙service和characteristic？到底怎么理解蓝牙profile？ATT和GATT两者如何区分？什么又是attribute？attribute Characteristic 1 Value Descriptor 1 Client Characteristic Configuration (Enable/Disable Notification) Descriptor 2 Characteristic User Description (String: RGB LED Control) The main issue indeed that your GATT descriptor does not have a client characteristic config descriptor: see for example issue. Create and add the Client Characteristic Configuration Descriptor. 9msyf, f5hu6, ktt, g2qbd2e1, yyyv, izsw, ra0f, bfvj, vfjq6, y8h, 7fq, ji, zn, su, zxuj, 0lgr, hl, 7mv6, op, yybe, sja, f4vfx, pqfwjy, l98b, waprs, rt, e2kmpm, qnj6, av, bxv,