Write command, Handle is missing in Wireshark

[NadSo]

Hello,

I tested the example project "custom serial chat" from Atmel and wanted to see which Handle is used to send and receive data from Smartphone to the BLE-Board (SAMD21+ATBTLC1000). For this purpose I used the Bluefruit Sniffer LE to view the data flow on wireshark and I noticed that the write command "Rcvd write command" that shows the handle is missing.

Please can you help to fix it? I saw many Examples on Youtube where the receive write command always appear. Why doesn't it appear in my case?

Here you can see how it looks like: wireshark_data_flow.png

Thank you

[Sigurd]

Hi,

This is a forum for issues related to Nordic Semiconductor products. Since your issue does not involve a Nordic IC you'll have to contact the manufacturer for your device regarding this issue.

When you in the future decide to start developing with Nordic Semiconductor products, I would recommend taking a look at the nRF52832 development kit.

[NadSo]

Hello Sigurd, thanks for your comment. The fact is I am able to light on the LED of my BLE device with the smartphone and I am wondering why I don't see that write command (light the LED). On Wireshark it appears like notification (see the screenshot). Why isn't it a write command ? How to do a write command

To light the LED I have to send the letter "o" on my Android App. It is a write?