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STM32F4Discoveryboard with CC2564 running SPPLEDemo - unable to output to console via virtual com

Shrek1412
Prodigy 210 points
Other Parts Discussed in Thread: CC2564

Hi,

I am running STM32F4Discovery board (I did not attach the CC2564 on the discovery board). I already flash the SPPLEDemo via IAR and the application is working well (LED3 flashing). In device manage, see "STMicroelectronics STLink Virtual COM Port (COM417)", use that vritual com to connect with hyper terminal succefully, but there is no output on the hyper terminal (I expect to something even I did not attach CC2564 on it); already change baudrate to 9600 and 115200 but does not help.

I probe the pin PA2 and PA3 on the scope and see data is transfering ( adding some Dispay() function to print debug message), but nothing display on hyper terminal. 

Here is some information may help:

- Run IAR 7.5 on Window XP.

- Already change USART to 2 and mapping all the pins (PA2 and PA3) (see data tranfering via scope).

- connect discovery boad to PC via mini USB - USB cable

There is a micro USB on the discovery board, I alreay try to connect it to PC but nothing happens. Do I miss anything, please help. Thank you.

regards,

Shrek

  • 0
    TI__Mastermind 20285 points
    Hi,
    This query should be addressed with the STM32F4 experts as it looks like an issue with the usage of the board itself.
    BR,
    Eyal
  • 0 in reply to Eyal Reizer
    Prodigy 210 points
    Hi Eyal,

    Thank you for your reply.

    Yes, I asked the ST FAE and they said that since all the signal output correctly (see on the scope), and the demo program is from TI and the problem is that it is unable to ouput debug message on console; so they suggest me to ask a TI expert. What should I do?

    Best regards,
    Shrek
  • 0 in reply to Shrek1412
    TI__Mastermind 29250 points

    Hi Shrek,

    I do not know the details of the Discovery board. But in my experience, I had to use a UART to USB cable on the A2 and A3 pins (Console TX and Console RX respectively) of the Discovery board. This populated a virtual COM port on the PC and the console for the demo worked through there. 

    Hope this helps.

    Best regards,

    Vihang

  • 0 in reply to Vihang Parmar
    Prodigy 210 points
    Hi Vihang,

    Yes, I did like that and the already see data on console. but my question is that is there any way to output data directly on Discovery board virtual com, not via the UART to USB converter. If the Discovery board do not support it, then OK.

    regards,
    Quang