ESP32-C6 AT Firmware v4.0.0.0 does not support write no reponse command as BLE client

[xinkunlong]

Answers checklist.

• [X] I have read the documentation ESP-AT Programming Guide and the issue is not addressed there.
• [X] I have used the latest released firmware or have updated my ESP-AT branch (master or release) to the latest version and checked that the issue is present there.
• [X] I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

ESP32-C6 AT Firmware v4.0.0.0 does not support write no reponse command as BLE client

09:14:04.436 -> AT+BLEGATTCCHAR=0,3
09:14:04.438 -> +BLEGATTCCHAR:"char",0,3,1,0x000001BF5F01000000004F4D2D4F5441,0x18
09:14:04.444 -> +BLEGATTCCHAR:"char",0,3,2,0x000001BF5F02000000004F4D2D4F5441,0x04
09:14:04.450 -> +BLEGATTCCHAR:"char",0,3,3,0x000001BF5F03000000004F4D2D4F5441,0x1a

BLEGATTCCHAR:"char",0,3,2,0x000001BF5F02000000004F4D2D4F5441,0x04(Not Supported)
09:20:03.499 -> AT+BLEGATTCWR=0,3,2,,2
09:20:03.499 -> 
09:20:03.503 -> AT+BLEGATTCWR=0,3,2,,2
09:20:03.507 -> >1234
09:20:06.400 -> 
09:20:06.403 -> 
09:20:06.404 -> 
09:20:06.404 -> busy p...
09:20:06.404 -> 
09:20:06.404 -> OK

When I write data to this +BLEGATTCCHAR:"char",0,3,2,0x000001BF5F02000000004F4D2D4F5441,0x04, the server cannot receive the data, but when I write data to the other two char, the server can receive the data.

[Luxin812]

Maybe you can confirm whether the ESP device has written the characteristic value 0x000001BF5F02000000004F4D2D4F5441 by capturing packets. It is possible that the ESP device writes the characteristic value successfully, but the mobile terminal does not report it.