3 Replies Latest reply on Jun 2, 2020 10:49 PM by AnjanaM_61

    CYW920819EVB-02 connect Linux(Ubuntu) issue



      I bought a CYW920819EVB-02 for doing some bluetooth test. I have connected this board to my Ubuntu laptop via USB cable. My Ubuntu installed the latest bluez.


      Now I have one issue:


      1. I run 'lsusb' to see whether my board is connected well, it shows connected.(good)

      2. I run 'btattach -B /dev/ttyUSB1 -S 115200 &' and it runs well.

      3. I run 'hciconfig' and it shows my board(hci0 is the default bluetooth adapter on my laptop, hci1 is my board). my board hci1 is DOWN, and I want to up it !


      4. I run 'hciconfig hci1 up' for up the board. It shows timeout.


      5. I run 'hcitool dev', the board is not detected(I think because it is DOWN).


      So any know how can I up it?


      Many thanks