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STM32F407G-DISC1 /CC256XQFNEM cannot open Stack

Paolo Martinetti
Expert 2730 points
Other Parts Discussed in Thread: CC2564

Hi all,

I need your help!

I have my Discovery connected directly to CC256XQFNEM board. I'm running HFPXDemo from Bluetopia 4.0.2.2 SDK.

The connection in made directly to PD8 and PD9 pins. (HCI_UART = 3)

The console seems to run correctly. When I launch the demo app, i ha the following error message:

OpenStack().
Stack Initialization on Port 3 115200 (UART) Failed: -4.
Unable to open the stack.

I don't know how to proceed. 

I Have just read 'Enable_STM32_Discovery.pdf' in the Bluetopia SDK.

Any Idea, please?

Thanks in advance

Paolo

  • 0
    TI__Mastermind 29311 points
    Hi Paolo,

    The Stack Initialization... Failed: -4 indicates that HCI initialization was unsuccessful. You can refer to the BTPS_ERROR_HCI_INITIALIZATION_ERROR in the BTErrors.h.

    You might want to make sure that the UART HCI (between the MCU and the CC2564) is properly ported.

    Best regards,
    Vihng