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by DaNiao88
Thu Aug 31, 2023 1:57 am
Forum: ESP-AT
Topic: ESP32-WROOM-32 as client cannot received notification
Replies: 0
Views: 5952

ESP32-WROOM-32 as client cannot received notification

Hi All

I used ESP32-WROOM-32 as client to communicate with a BLE devices ( nordic), i can write and read char successfully.

But cannot get notification, before that i had write 0x0001 to notification char.

notification char, without descriptor.
+BLEGATTCCHAR:"char",0,5,2 ...
by DaNiao88
Thu Aug 31, 2023 1:39 am
Forum: ESP-AT 中文讨论版
Topic: ESP32-WROOM-32 作为client 收不到notify
Replies: 2
Views: 11968

ESP32-WROOM-32 作为client 收不到notify

Hi 你好,

ESP32-WROOM-32 作为client连接了一个Nordic的server ,利用AT命令,read&write特征都没问题,当是接收不到notify过来的信息,
已经register notification ,AT+BLEGATTCWR 写了0x00 0x01 到notify 特征 。

//命令
AT+BLEGATTCWR=0,5,2,,2
>// 0x0001

ERROR

OK
//
该notify特征如下,但没有descripter:
+BLEGATTCCHAR:"char",0,5,2,0x6E400003B5A3F393E0A9E50E24DCCA9E ...

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