nrf中BLE_GAP_AD_TYPE_MANUFACTURER_SPECIFIC_DATA
时间: 2024-04-20 12:20:05 浏览: 141
在nRF中,BLE_GAP_AD_TYPE_MANUFACTURER_SPECIFIC_DATA是一种广告数据类型,用于在蓝牙低功耗(BLE)设备之间传输特定厂商的自定义数据。这种广告数据类型允许厂商在广播或扫描响应中携带自己定义的数据,以满足特定的应用需求。
BLE_GAP_AD_TYPE_MANUFACTURER_SPECIFIC_DATA的数据格式如下:
- AD Type:0xFF(表示厂商特定数据)
- Data Length:数据长度(包括AD Type和Data Length本身的长度)
- Company Identifier:厂商标识符,用于唯一标识厂商
- Manufacturer Specific Data:厂商自定义的数据
厂商特定数据可以包含各种信息,例如设备型号、固件版本、传感器数据等。通过解析这些数据,其他设备可以了解到广告设备的特定信息,从而进行相应的操作或交互。
相关问题
NRF5 BLE_GAP_EVT_PHY_UPDATE_REQUEST
NRF5 BLE_GAP_EVT_PHY_UPDATE_REQUEST is an event that occurs when the BLE stack requests a PHY (physical layer) update from the remote device. PHY is the layer in the Bluetooth Low Energy stack that determines the physical characteristics of the communication link, such as data rate and signal strength. The PHY update request event is triggered when the remote device requests a change in the PHY parameters, such as increasing the data rate or changing the modulation scheme. This event provides an opportunity for the application to accept or reject the PHY update request. If the application accepts the request, the BLE stack will update the PHY parameters and notify the remote device of the change. If the application rejects the request, the BLE stack will continue to use the current PHY parameters.
解释 NRF5 BLE_GAP_EVT_PHY_UPDATE_REQUEST
NRF5 BLE_GAP_EVT_PHY_UPDATE_REQUEST是一个事件,表示蓝牙低功耗设备在与另一个设备通信时请求更新物理层参数。这个事件通常会发生在设备在连接的过程中,当另一个设备请求更改通信速率或连接距离时。在此事件中,设备可以选择接受或拒绝请求,并根据需要更新自己的物理层参数。这个事件是NRF5系列芯片中的蓝牙协议栈提供的一种特性。
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