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Uart problem using BLE Stack 1.4.0

Hi, all

I used to use uart in BLE Stack 1.2.1, and it worked well.

Then I  transpant my code to BLE Stack 1.4.0. In order to  test it, I let it send "ok" to PC every 500 ms, However, it stop working seconds later. I don't know what wrong it is.

Looking forward for your reply.

  • Could you provide a bit more information here? Maybe UART scope captures or more details on what happens when it stops working (e.g. where is the code execution at?). Also some more details on your project configuration might let the community have a better idea how to help you.