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WL1835MOD: Use of WL_RS232_TX and WL_RS232_RX pin of WL1835 module

Ankit Bhalani
Intellectual 630 points

Part Number: WL1835MOD
Other Parts Discussed in Thread: WL1835

Hi,

I want to know that

what is the use of " WL_RS232_TX" and "WL_RS232_RX" pins of wl1835?

Because when we connected these pins on UART port and checked whether it gives any log message on these pins or not.

But it does not gives any debug messages and found that there was not happening any activity on these pins.

Thanks,

Ankit Bhalani 

  • 0
    TI__Mastermind 20285 points

    This pins are used with software debug tools (wireless tools) for accessing the wilink8 wlan subsystem inside the wilin8 chip.

    You would not see debug messages out of these pins.

    Firmware debug output is coming out of WL_UART_DBG pin.

    See the following links:

    BR,

    Eyal

  • 0 in reply to Eyal Reizer
    Intellectual 630 points

    Hi Eyal,

    I got debug output from " WL_UART_DBG" pin using gLogger tool but not found any documents and tool for getting output messages from 

    "WL_RS232_TX" and "WL_RS232_RX" pins of WL1835.

    Is the WL1835 sending any data to these pins or not ?

    The wireless tool contains many separate tools inside, out of these which tool is used for getting output message from above mentioned pins of WL1835?

    Is there any documents for above mentioned pins?

    Thanks,

    Ankit

  • 0 in reply to Ankit Bhalani
    TI__Mastermind 20285 points

    Hi,

    "WL_RS232_TX" and "WL_RS232_RX" pins of WL1835. are used for communicating directly with the wl18xx chip over RS232.

    It is used mainly for debugging/certification using the RTTT tool.

    See the following tool:

    Check chapter 4.1 of the document:


    Best Regards,

    Eyal