我CC2541和蓝牙从模块连接上了,互发数据收不到。抓包如上图所示,都是空的。怎么回事?谢谢!
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ATT_ERR_ATTR_NOT_FOUND 0x0a 有可能是你是那个句柄不可读,但是不影响交互。
No attribute found within the given attribute handle range.
The starting handle shall be less than or equal to the ending handle. If a server receives a Read By Type Request with the Starting Handle parameter greater than the Ending Handle parameter or the Starting Handle parameter is 0x0000, an Error Response shall be sent with the «Invalid Handle» error code; The Attribute Handle In Error parameter shall be set to the Starting Handle parameter. If no attribute with the given type exists within the handle range, then no attribute handle and value will be returned, and an Error Response shall be sent with the error code «Attribute Not Found». The Attribute Handle In Error parameter shall be set to the starting handle.